CN203807928U - Corrugated-steel-web combined box girder - Google Patents

Abstract

The utility model discloses a corrugated-steel-web combined box girder, and the box girder comprises a lower flange plate, an upper flange plate, and two corrugated steel webs which are symmetrically supported between the lower flange plate and the upper flange plate. The corrugated steel webs, the upper flange plate and the lower flange plate are all arranged along the longitudinal direction. The lower flange plate is a cast-in-place concrete plate, and is connected with the upper flange plate through the corrugated steel webs to form a body. The interior of the lower flange plate is provided with a pre-stress system which comprises a central pre-stress structure disposed at the central part of the lower flange plate, and two side pre-stress structures disposed at left and right sides of the lower flange plate. The two side pre-stress structures are arranged symmetrically. The central pre-stress structure and the two side pre-stress structures are arranged on the same horizontal plane. The box girder provided by the utility model is reasonable in design, is convenient to construct, is reasonable in stress, is good in application effect, and can solve various types of problems of a conventional concrete box girder.

Description

A kind of corrugated steel web plate composite box girder

Technical field

The utility model belongs to Construction Technique of Box field, especially relates to a kind of corrugated steel web plate composite box girder.

Background technology

Composite bridge combines two kinds of different materials of Steel concrete rightly, has improved the service efficiency of stability, intensity and the material of structure.Wherein, Wavelike steel webplate combining structure combines steel, two kinds of different materials of concrete rightly, Wavelike steel webplate is arranged between upper and lower frange plate, specifically adopting thickness is that to replace original thickness be the conventional concrete web of 300mm～800mm left and right for the Wavelike steel webplate of 10mm～20mm left and right, wherein upper and lower frange plate is concrete slab, and Wavelike steel webplate and concrete frange plate are combined to form a common bearing load of overall structure.Aspect economic performance, Wavelike steel webplate replaces conventional concrete web, and dead load alleviates 20%～30% than conventional concrete case beam, and the engineering quantity of substructure is corresponding minimizing also, has reduced construction costs; Aspect structure stress, concrete roof and floor (also deserve to be called, bottom wing listrium) bending resistance and corrugated steel web shearing resistance, structure stress is very clear and definite, Wavelike steel webplate has fold effect in the vertical, this layout has not only improved stability, intensity and the materials'use efficiency of structure, more give full play to the advantage of concrete anti-compression, steel tension, also thoroughly solved the common engineering problems such as concrete-bridge median ventral plate cracking simultaneously.

Just because Wavelike steel webplate combining structure has above-mentioned advantage, after phase late 1980s, France built in the world First Pre-Stressed Concrete Composite Box-Girder Bridge with Corrugated Steel Webs, this structure is in extensive use all over the world.French, Japanese, Chinese etc. built a large amount of corrugated steel web plate composite box girder bridges, quantity surpasses 100, and bridge type relates to simply supported girder bridge, continuous girder bridge, cable stayed bridge and suspension bridge etc.Corrugated steel web plate composite box girder bridge is also one of the most competitive bridge in world wide.Yet existing corrugated steel web plate composite box girder bridge is in design and when construction part that still comes with some shortcomings:

The first, in built Medium Span Wavelike steel webplate box girder bridge, prestress system adopts rope in body to mix the structural system of using with external tendon more, wherein the interior Suo Caiyong of body is at beam-ends stretch-draw anchor, entirely across interior elongated layout, stretch-draw limited space, can cause like this prestressed material waste, the compressive stress index at some position is easy to surpass standard admissible value, unfavorable to structure stress; And for external tendon, corrugated steel web plate composite box girder bridge generally requires to arrange prestressing force external tendon in case with balance external load, so just bring Anticorrosion and the use of external tendon after 25 years, to need the problem of changing.

The second, the corrugated steel web plate composite box girder of an existing construction forming, formwork erection is built after the concrete of the upper and lower edge of a wing, can produce the structure problem such as excessive of creeping, and structure antiarch value also can increase to some extent.

Thereby, nowadays lack a kind of simple in structure, reasonable stress and easy construction, corrugated steel web plate composite box girder that result of use is good, can effectively solve the problems such as the deadweight that existing concrete case beam exists is large, stretch-draw limited space, later period maintenance cost is higher, stress performance is poor.

Utility model content

Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, a kind of corrugated steel web plate composite box girder is provided, it is simple in structure, reasonable stress and easy construction, result of use are good, can effectively solve the problems such as the deadweight that existing concrete case beam exists is large, stretch-draw limited space, later period maintenance cost is higher, stress performance is poor.

For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of corrugated steel web plate composite box girder, it is characterized in that: comprise bottom wing listrium, the Wavelike steel webplate between bottom wing listrium and top flange plate at the top flange plate above bottom wing listrium and two symmetric support, described top flange plate and bottom wing listrium are all along the vertical bridge of institute's construction bridges to carrying out level laying, described bottom wing listrium is by two described Wavelike steel webplates, to be fastenedly connected and to be integrated between cast in place concrete plate and itself and top flange plate, between described Wavelike steel webplate bottom and bottom wing listrium, by lower shear connector, be fastenedly connected, in described bottom wing listrium, be laid with prestress system, described prestress system is between two described Wavelike steel webplates, described prestress system comprises middle part prestressed structure and two the sidepiece prestressed structures that are laid in respectively the bottom wing listrium left and right sides that are laid in bottom wing listrium middle part, two described sidepiece prestressed structures are symmetrical laying, and described middle part prestressed structure and two described sidepiece prestressed structures are laid in same level, described sidepiece prestressed structure comprises one or multi-channel the first elongated presstressed reinforcing steel being laid in bottom wing listrium, and the first elongated presstressed reinforcing steel is laid in same level described in multiple tracks, described the first elongated presstressed reinforcing steel runs through from front to back bottom wing listrium and its length in bottom wing listrium is L, and wherein L is that the vertical bridge of bottom wing listrium is to length, described the first elongated presstressed reinforcing steel is laid along the length direction of bottom wing listrium,

Described middle part prestressed structure is the first prestressed structure or the second prestressed structure;

Described the first prestressed structure comprises multiple tracks the second presstressed reinforcing steel and multiple tracks the 3rd presstressed reinforcing steel, described in multiple tracks, described in the second presstressed reinforcing steel and multiple tracks, the 3rd presstressed reinforcing steel is all laid in same level, and described the second presstressed reinforcing steel and the length of the 3rd presstressed reinforcing steel in bottom wing listrium are 0.6L～0.7L; Described the second presstressed reinforcing steel and the 3rd presstressed reinforcing steel are all laid along the length direction of bottom wing listrium; The front end of described the second presstressed reinforcing steel is positioned at bottom wing listrium one side end and its rear end is embedded in bottom wing listrium, and the rear end of described the 3rd presstressed reinforcing steel is positioned at bottom wing listrium end side and its front end is embedded in bottom wing listrium; The front end of described the second presstressed reinforcing steel is stretching end, and the rear end of described the 3rd presstressed reinforcing steel is stretching end;

Described the second prestressed structure comprises multiple tracks the 4th presstressed reinforcing steel and multiple tracks the 5th presstressed reinforcing steel, and described in the 4th presstressed reinforcing steel and multiple tracks, the 5th presstressed reinforcing steel is all laid in same level described in multiple tracks; Described bottom wing listrium by front end sections, rear end sections and be connected in described front end sections and described rear end sections between middle part sections be formed by connecting, described front end sections, described middle part sections and described rear end sections are laid from front to back along the length direction of bottom wing listrium; Length L 1=0.6L～the 0.7L of described middle part sections, described in the 4th presstressed reinforcing steel and multiple tracks, the 5th presstressed reinforcing steel is all laid in the sections of described middle part described in multiple tracks; Described the 4th presstressed reinforcing steel and the length of the 5th presstressed reinforcing steel in the sections of described middle part are 0.6L1～0.7L1; Described the 4th presstressed reinforcing steel and the 5th presstressed reinforcing steel are all laid along the length direction of bottom wing listrium; The front end of described the 4th presstressed reinforcing steel is positioned at described middle part sections one side end and its rear end is embedded in described middle part sections, and the rear end of described the 5th presstressed reinforcing steel is positioned at described middle part sections end side and its front end is embedded in described middle part sections; The front end of described the 4th presstressed reinforcing steel is stretching end, and the rear end of described the 5th presstressed reinforcing steel is stretching end.

Above-mentioned a kind of corrugated steel web plate composite box girder, is characterized in that: described lower shear connector is the first Shear connection structure, the second Shear connection structure or the 3rd Shear connection structure;

Described the first Shear connection structure comprises many first pegs that are fixed on the bottom flange steel plate of Wavelike steel webplate bottom and are fixed on steel plate bottom, bottom flange, and many described the first pegs are all built in bottom wing listrium; Described bottom flange steel plate is the horizontal steel plate of laying along bottom wing listrium length direction, and many described the first pegs are all vertically to divide to laying and its length direction along bottom wing listrium from front to back how row lays; Between described bottom flange steel plate and Wavelike steel webplate and between the first peg and bottom flange steel plate, all with welding manner, be fixed and be connected;

Described the second Shear connection structure comprises that multiple tracks is through the first transverse connection of Wavelike steel webplate bottom, described in multiple tracks, the first transverse connection is all positioned in same level and it is all laid along the width of bottom wing listrium, described in multiple tracks, the first transverse connection is laid from front to back along the length direction of bottom wing listrium, and described Wavelike steel webplate bottom correspondence has a plurality of the first through holes that pass for the first transverse connection described in multiple tracks respectively; Described in described Wavelike steel webplate bottom and multiple tracks, the first transverse connection is all built in bottom wing listrium; Described the first transverse connection is PBL connector or reinforcing bar, and described PBL connector is that the middle part of strip steel plate and described strip steel plate has a plurality of holes from front to back; Described in multiple tracks, the length of the first transverse connection is all identical with the width of bottom wing listrium;

Described the 3rd Shear connection structure comprises shear plate under shear plate under a plurality of left sides that are all laid in Wavelike steel webplate left side wall bottom and a plurality of right side that is all laid in Wavelike steel webplate right side wall bottom, under a plurality of described left sides, under shear plate and a plurality of described right side, shear plate is all laid from front to back along the length direction of bottom wing listrium, under a plurality of described left sides, under shear plate and a plurality of described right side, shear plate is all laid in same level, and under a plurality of described left sides, under shear plate and a plurality of described right side, shear plate is and is laid staggeredly; Under described Wavelike steel webplate bottom, a plurality of described left side, under shear plate and a plurality of described right side, shear plate is all built in bottom wing listrium.

Above-mentioned a kind of corrugated steel web plate composite box girder, is characterized in that: in two described sidepiece prestressed structures, the quantity of included the first elongated presstressed reinforcing steel is together.

Above-mentioned a kind of corrugated steel web plate composite box girder, is characterized in that: the quantity of described the second presstressed reinforcing steel and described the 3rd presstressed reinforcing steel is twice, and the second presstressed reinforcing steel lays respectively at the left and right sides of the 3rd presstressed reinforcing steel described in twice described in twice;

The quantity of described the 4th presstressed reinforcing steel and the 5th presstressed reinforcing steel is twice, and the 4th presstressed reinforcing steel lays respectively at the left and right sides of the 5th presstressed reinforcing steel described in twice described in twice.

Above-mentioned a kind of corrugated steel web plate composite box girder, it is characterized in that: the steel plate sections of laying the lower shear plate in left side in described Wavelike steel webplate is that left side shear plate is laid section, the steel plate sections of laying shear plate under described right side in described Wavelike steel webplate is that right side shear plate is laid section; Under described left side, shear plate is for described left side shear plate is laid to the shear plate that pars infrasegmentalis bends rear formation left, and under described right side, shear plate is for laying by described right side shear plate the shear plate that pars infrasegmentalis bends rear formation to the right.

Above-mentioned a kind of corrugated steel web plate composite box girder, it is characterized in that: described left side shear plate is laid section for flat plate one, it is flat plate two that described right side shear plate is laid section, described flat plate one is parallel laying with described flat plate two, between the described flat plate two that described in each, flat plate one is adjacent with both sides before and after it, all by flat plate three, be connected, described flat plate one, described flat plate two and described flat plate three are rectangular steel plates.

Above-mentioned a kind of corrugated steel web plate composite box girder, is characterized in that: two described Wavelike steel webplates are all vertically to laying; Described Wavelike steel webplate by a plurality of structures and size all identical corrugated steel web unit spliced form, a plurality of described corrugated steel webs unit is laid from front to back along the length direction of bottom wing listrium, and a plurality of described corrugated steel webs unit is laid at grade; Described corrugated steel web unit is formed by the first flat plate, the second flat plate, the 3rd straight steel plate splicing in flat plate He Siping City, and described the first flat plate, described the second flat plate, described the 3rd flat plate and described the 4th flat plate are laid from front to back along the length direction of bottom wing listrium; Described the first flat plate is parallel laying with described the 3rd flat plate, and described the second flat plate and described the 4th flat plate are symmetrical and lay; Described the first flat plate, described the second flat plate, described the 3rd flat plate and described the 4th flat plate are square plate, structure and the size of described the first flat plate and described the 3rd flat plate are all identical, and structure and the size of described the second flat plate and described the 4th flat plate are all identical.

Above-mentioned a kind of corrugated steel web plate composite box girder, is characterized in that: described the second Shear connection structure also comprises that twice are all laid in lower longitudinal connector of Wavelike steel webplate bottom, and lower longitudinal connector is separately fixed at the left and right sides, Wavelike steel webplate bottom described in twice; Described in twice, lower longitudinal connector is all laid along the length direction of bottom wing listrium, and the length of lower longitudinal connector is all identical with the length of bottom wing listrium described in twice; Described lower longitudinal connector is PBL connector or reinforcing bar;

Described the 3rd Shear connection structure also comprises that multiple tracks is all through the second transverse connection of Wavelike steel webplate bottom, described in multiple tracks, the second transverse connection is all positioned in same level and it is all laid along the width of bottom wing listrium, and under a plurality of described left sides, under shear plate and a plurality of described right side, shear plate is all positioned at the second transverse connection below described in multiple tracks; Described in multiple tracks, the second transverse connection is laid from front to back along the length direction of bottom wing listrium, described in multiple tracks, the length of the second transverse connection is all identical with the width of bottom wing listrium, and described Wavelike steel webplate bottom correspondence has a plurality of the second through holes that pass for the second transverse connection described in multiple tracks respectively.

Above-mentioned a kind of corrugated steel web plate composite box girder, is characterized in that: described top flange plate is cast in place concrete plate, between described Wavelike steel webplate top and top flange plate, by upper shear connector, is fastenedly connected;

Described upper shear connector is the 4th Shear connection structure, the 5th Shear connection structure or the 6th Shear connection structure;

Described the 4th Shear connection structure comprises and is fixed on the top flange steel plate at Wavelike steel webplate top and the second peg that Duo Gen is all fixed on steel plate top, described top flange, and many described the second pegs are all built in top flange plate; Described top flange steel plate is the horizontal steel plate of laying along bottom wing listrium length direction, and many described the second pegs are all vertically to divide to laying and its length direction along bottom wing listrium from front to back how row lays; Between described top flange steel plate and Wavelike steel webplate and between described the second peg and top flange steel plate, all with welding manner, be fixed and be connected;

Described the 5th Shear connection structure comprises that multiple tracks is through the 3rd transverse connection on Wavelike steel webplate top, described in multiple tracks, the 3rd transverse connection is all positioned in same level and it is all laid along the width of top flange plate, described in multiple tracks, the 3rd transverse connection is laid from front to back along the length direction of top flange plate, and described Wavelike steel webplate top correspondence has a plurality of third through-holes that pass for the 3rd transverse connection described in multiple tracks respectively; Described in described Wavelike steel webplate top and multiple tracks, the 3rd transverse connection is all built in top flange plate; Described the 3rd transverse connection is PBL connector or reinforcing bar; Described in multiple tracks, the length of the 3rd transverse connection is all identical with the width of top flange plate;

Described the 6th Shear connection structure comprises shear plate on shear plate on a plurality of left sides that are all laid in Wavelike steel webplate left side wall top and a plurality of right side that is all laid in Wavelike steel webplate right side wall top, on a plurality of described left sides, on shear plate and a plurality of described right side, shear plate is all laid from front to back along the length direction of top flange plate, on a plurality of described left sides, on shear plate and a plurality of described right side, shear plate is all laid in same level, and on a plurality of described left sides, on shear plate and a plurality of described right side, shear plate is and is laid staggeredly; On described Wavelike steel webplate top, a plurality of described left side, on shear plate and a plurality of described right side, shear plate is all built in top flange plate;

On a plurality of described left sides, on shear plate and a plurality of described right side, the structure of shear plate and size are all identical and be square plate; On a plurality of described left sides, the quantity of shear plate is identical with the quantity of shear plate under a plurality of described left sides, on a plurality of described left sides, shear plate lays respectively at shear plate top under a plurality of described left sides, and on described left side, under shear plate and left side, the structure of shear plate is all identical with size; On a plurality of described right sides, the quantity of shear plate is identical with the quantity of shear plate under a plurality of described right sides, on a plurality of described right sides, shear plate lays respectively at shear plate top under a plurality of described right sides, and on described right side, under shear plate and described right side, the structure of shear plate is all identical with size.

Above-mentioned a kind of corrugated steel web plate composite box girder, is characterized in that: the distance between the upper and lower surface of described middle part prestressed structure and bottom wing listrium is identical.

The utility model compared with prior art has the following advantages:

1, simple in structure, the reasonable stress of the corrugated steel web plate composite box girder of constructing and easy construction, result of use are good.Compare with ordinary concrete case beam, in many-sides such as structure stress, cost, duration, material and anti-seismic performances, there is more obvious advantage.

2, the prestress system in bottom wing listrium is simple in structure, reasonable in design and result of use is good, comprise middle part prestressed structure and two sidepiece prestressed structures, wherein middle part prestressed structure reasonable in design and it comprise two types of the first prestressed structure and the second prestressed structures.

3, the corrugated steel web plate composite box girder of constructing presstressed reinforcing steel is only set in bottom wing listrium, and be line beam, construct very convenient.If desired, presstressed reinforcing steel can be set in top flange plate.

4, the prestress system in bottom wing listrium is rope in body, adopt specific stretching mode, fully phased out external tendon, reduced the object of follow-up maintenance and replacing external tendon, further avoid, in case beam inside, tooth plate is set, effectively reduced anchoring structure, and had and simplify work progress, effectively alleviate the deadweight of case beam, reduce the advantages such as later stage engineering cost.

5, the stress performance aspect of the corrugated steel web plate composite box girder of constructing is good, and prestressing force efficiency improves greatly, and weight reduction approximately 20%～30% left and right, has saved material effectively, the corresponding anti-seismic performance that improves bridge.Therefore, corrugated steel web plate composite box girder bridge is all good compared with concrete box-beam bridge at mechanics and economic performance.

While 6, constructing, the girder radical of corrugated steel web plate composite box girder reduces relatively, and lifting number of times will lack, and the construction period can significantly shorten, and lifting weight remains unchanged substantially, need not change hanging device.

7, applied widely, the third dimension of Wavelike steel webplate makes the visual effect, form of structure more lively and have more aesthetic feeling, if adopt the color adapting to environment facies also can further improve the aesthetic effect of structure in Wavelike steel webplate appearance, can become speedway, mountain area, scenic spot bridge and select preferably.

8, construction method simple, reasonable in design and realize convenient, construction effect is good, prestress system in bottom wing listrium carries out stretch-draw at twice, be different from traditional prestress system, can effectively solve stretch-draw limited space and the structure larger problem of creeping, and result of use is good, can effectively reduce structure antiarch.Thereby twice stretch-draw construction method that the utility model adopts not only meets structure stress needs, also solved the problem in cloth rope space and stretch-draw space simultaneously.

9, the corrugated steel web plate composite box girder good mechanical performance of institute's construction molding, before practice of construction, according to structure bending moment diagram, carry out prestressed step-by-step arrangement, and all prestressing force is arranged in concrete bottom wing listrium, according to structure stress, presstressed reinforcing steel need to be carried out to stretch-draw anchoring at twice.First, first complete the construction of bottom flange board concrete within the scope of span centre area 0 .6L-0.7L, complete prestressed stretch-draw for the first time, stressed object is only bottom flange concrete, and straight-line prestressed efficiency is high; And then complete the concrete construction of bottom wing listrium residual concrete and top flange, and completing thus prestressed stretch-draw for the second time, stressed object is now for entirely across case beam.Like this, not only reduce structure prestressed reinforcement consumption, improved the service efficiency of material, also solved near the too high problem of pressuring stress level of L/4 simultaneously, more greatly reduced the antiarch value of case beam under action of long-term load.

10, practical value is high and economical and social benefit is remarkable, inadequate mainly for the space of bottom wing listrium stretch-draw at present, Wavelike steel webplate cannot be arranged the defects such as external tendon, Wavelike steel webplate combining structure is applied in box girder bridge, and adopt segmentation to build, step-by-step arrangement presstressed reinforcing steel, the whole cloth of prestress system is placed in concrete bottom wing listrium and is line beam, prestressing force is the mode such as stretch-draw at twice, not only effectively alleviate dead load, solve stretch-draw space not and the structure larger problem of creeping, effectively reduce structure antiarch value, the corresponding structure use for tendon amount that reduced, and prestressing force adopts straight line greatly to improve prestressed service efficiency.Meanwhile, the utility model adopts prestressing with bond rope, has not only solved the inadequate problem in stretch-draw space, more efficiently solves the trouble that in bridge maintenance management, external tendon need to be changed, and has also saved the maintenance cost in later stage.In practice of construction process, the construction method of twice tensioned prestressing bar has and effectively alleviates dead load, solves stretch-draw limited space and the structure larger problem of creeping, and can effectively reduce structure antiarch; And, presstressed reinforcing steel segmentation anchoring, and according to carrying out arrangement of reinforcement according to structure bending moment diagram, the corresponding structure prestressed reinforcement that reduced, by twice stretch-draw anchor, made up the loss of prestress that tension ground tackle retraction produces for the first time, improved presstressed reinforcing steel efficiency, can effectively be applied in highway, railroad bridge.

In sum, the utility model is reasonable in design, corrugated steel web plate composite box girder reasonable stress, the result of use of easy construction and construction molding are good, the problem such as can effectively solve that the input cost that existing concrete case beam exists is higher, prestressed stretch-draw limited space, stress performance are poor.The utility model adopts step-by-step arrangement prestressing force (being all straight-line prestressed), and in conjunction with twice stretch-draw prestressing force structural system, effectively alleviate dead load, and solve stretch-draw space not and the problem that structure is crept, antiarch is excessive, effectively reduce structure antiarch value, by twice stretch-draw, by presstressed reinforcing steel segmentation anchoring, and according to structure stress bending moment diagram, carry out the layout of presstressed reinforcing steel, the corresponding structure prestressed reinforcement that reduced, improves prestressing force efficiency.

Below by drawings and Examples, the technical solution of the utility model is described in further detail.

Accompanying drawing explanation

Fig. 1 is the cross-sectional configuration schematic diagram of corrugated steel web plate composite box girder in the utility model embodiment 1.

Fig. 2 is the structural representation of the first prestressed structure in the utility model embodiment 1.

Fig. 3 is the construction technology process block diagram of the utility model corrugated steel web plate composite box girder.

Fig. 4 is the Construction State reference diagram of the first frange plate sections after having built in the utility model embodiment 1.

Fig. 5 is the Construction State reference diagram of corrugated steel web plate composite box girder after having constructed in the utility model embodiment 1.

Fig. 6 is the structural representation of the first Shear connection structure in the utility model embodiment 1.

Fig. 7 is the structural representation of the second prestressed structure in the utility model embodiment 2.

Fig. 8 is the Construction State figure of middle part sections after having built in the utility model embodiment 2.

Fig. 9 is the Construction State reference diagram of corrugated steel web plate composite box girder after having constructed in the utility model embodiment 2.

Figure 10 is the structural representation of the utility model the 5th Shear connection structure.

Figure 11-1 is the structural representation of the utility model corrugated steel web, San Shear connection mechanism and the 6th Shear connection structure.

Figure 11-2 are the inside structural representation of the utility model corrugated steel web, San Shear connection mechanism and the 6th Shear connection structure.

Figure 11-3 are the top view of Figure 11-2.

Figure 12 is the structural representation of the utility model corrugated steel web.

Description of reference numerals:

1-Wavelike steel webplate; 2-top flange plate; 3-bottom wing listrium;

The elongated presstressed reinforcing steel of 4-1-the first; 4-2-the second presstressed reinforcing steel; 4-3-three presstressed reinforcing steel;

4-4-four presstressed reinforcing steel; 4-5-five presstressed reinforcing steel; 5-1-bottom flange steel plate;

The 6-the first peg; The 7-the three transverse connection; 8-2-the second through hole;

8-4-fourth hole; Shear plate under 10-1-left side; Shear plate on 11-1-left side;

Shear plate on 11-2-right side; 12-upper longitudinal connector; The 13-the four transverse connection;

15-ground tackle; The 16-the second transverse connection.

The specific embodiment

Embodiment 1

As shown in Figure 1, the utility model comprises bottom wing listrium 3, the Wavelike steel webplate 1 between bottom wing listrium 3 and top flange plate 2 at the top flange plate 2 above bottom wing listrium 3 and two symmetric support, described top flange plate 2 and bottom wing listrium 3 all carry out level laying along the vertical bridge of institute's construction bridges to direction, described bottom wing listrium 3, for being fastenedly connected by two described Wavelike steel webplates 1 and being integrated between cast in place concrete plate and itself and top flange plate 2, is fastenedly connected by lower shear connector between described Wavelike steel webplate 1 bottom and bottom wing listrium 3.As shown in Figure 2, in described bottom wing listrium 3, be laid with prestress system, described prestress system is between two described Wavelike steel webplates 1.Described prestress system comprises middle part prestressed structure and two the sidepiece prestressed structures that are laid in respectively bottom wing listrium 3 left and right sides that are laid in bottom wing listrium 3 middle parts, two described sidepiece prestressed structures are symmetrical laying, and described middle part prestressed structure and two described sidepiece prestressed structures are laid in same level.Described sidepiece prestressed structure comprises one or multi-channel the first elongated presstressed reinforcing steel 4-1 being laid in bottom wing listrium 3, and the first elongated presstressed reinforcing steel 4-1 is laid in same level described in multiple tracks.Described the first elongated presstressed reinforcing steel 4-1 runs through from front to back bottom wing listrium 3 and its length in bottom wing listrium 3 is L, and wherein L is that the vertical bridge of bottom wing listrium 3 is to length.Described the first elongated presstressed reinforcing steel 4-1 lays along the length direction of bottom wing listrium 3.Two described Wavelike steel webplates 1 are symmetrical laying, and the two is all laid to direction along the vertical bridge of institute's construction bridges.

In the present embodiment, two described Wavelike steel webplates 1 are all vertically to laying.

In the present embodiment, the distance between the upper and lower surface of described middle part prestressed structure and bottom wing listrium 3 is identical.

During practice of construction, can according to specific needs, the laying of described middle part prestressed structure highly be adjusted accordingly.

In the present embodiment, described middle part prestressed structure is the first prestressed structure.

In the present embodiment, described the first prestressed structure comprises multiple tracks the second presstressed reinforcing steel 4-2 and multiple tracks the 3rd presstressed reinforcing steel 4-3, described in multiple tracks, described in the second presstressed reinforcing steel 4-2 and multiple tracks, the 3rd presstressed reinforcing steel 4-3 is all laid in same level, and described the second presstressed reinforcing steel 4-2 and the length of the 3rd presstressed reinforcing steel 4-3 in bottom wing listrium 3 are 0.6L～0.7L.Described the second presstressed reinforcing steel 4-2 and the 3rd presstressed reinforcing steel 4-3 all lay along the length direction of bottom wing listrium 3.The front end of described the second presstressed reinforcing steel 4-2 is positioned at bottom wing listrium 3 one side ends and its rear end is embedded in bottom wing listrium 3, and the rear end of described the 3rd presstressed reinforcing steel 4-3 is positioned at bottom wing listrium 3 end side and its front end is embedded in bottom wing listrium 3.The front end of described the second presstressed reinforcing steel 4-2 is stretching end, and the rear end of described the 3rd presstressed reinforcing steel 4-3 is stretching end.

In the present embodiment, described lower shear connector is the first Shear connection structure.

As shown in Figure 6, described the first Shear connection structure comprises many first pegs 6 that are fixed on the bottom flange steel plate 5-1 of Wavelike steel webplate 1 bottom and are fixed on bottom flange steel plate 5-1 bottom, and many described the first pegs 6 are all built in bottom wing listrium 3.Described bottom flange steel plate 5-1 is the horizontal steel plate of laying along bottom wing listrium 3 length directions, and many described the first pegs 6 are all vertically to divide to laying and its length direction along bottom wing listrium 3 from front to back how row lays; Between described bottom flange steel plate 5-1 and Wavelike steel webplate 1 and between the first peg 6 and bottom flange steel plate 5-1, all with welding manner, be fixed and be connected.In the present embodiment, described bottom flange steel plate 5-1 is laid in bottom wing listrium 3 tops.

In the present embodiment, described top flange plate 2 is cast in place concrete plate, between described Wavelike steel webplate 1 top and top flange plate 2, by upper shear connector, is fastenedly connected.

In the present embodiment, described upper shear connector is the 4th Shear connection structure.Described the 4th Shear connection structure is identical with the structure of described the first Shear connection structure.

Described the 4th Shear connection structure comprises and is fixed on the top flange steel plate at Wavelike steel webplate 1 top and the second peg that Duo Gen is all fixed on steel plate top, described top flange, and many described the second pegs are all built in top flange plate 2.Described top flange steel plate is the horizontal steel plate of laying along bottom wing listrium 3 length directions, and many described the second pegs are all vertically to divide to laying and its length direction along bottom wing listrium 3 from front to back how row lays.Between described top flange steel plate and Wavelike steel webplate 1 and between described the second peg and top flange steel plate, all with welding manner, be fixed and be connected.In the present embodiment, described top flange steel plate is positioned at top flange plate 2 bottoms.

In the present embodiment, in two described sidepiece prestressed structures, the quantity of included the first elongated presstressed reinforcing steel 4-1 is together.

In the present embodiment, the quantity of described the second presstressed reinforcing steel 4-2 and described the 3rd presstressed reinforcing steel 4-3 is twice, and the second presstressed reinforcing steel 4-2 lays respectively at the left and right sides of the 3rd presstressed reinforcing steel 4-3 described in twice described in twice.

In the present embodiment, described in the second presstressed reinforcing steel 4-2, twice, described in the 3rd presstressed reinforcing steel 4-3 and twice, the first elongated presstressed reinforcing steel 4-1 is all laid on same plane and it is even laying described in twice.During practice of construction, according to the structure stress bending moment diagram of constructed case beam, the quantity of the second presstressed reinforcing steel 4-2 and the 3rd presstressed reinforcing steel 4-3 in the quantity of included the first elongated presstressed reinforcing steel 4-1 in two described sidepiece prestressed structures and described the first prestressed structure is adjusted accordingly.

In the present embodiment, as shown in figure 12, described Wavelike steel webplate 1 by a plurality of structures and size all identical corrugated steel web unit spliced form, a plurality of described corrugated steel webs unit is laid from front to back along the length direction of bottom wing listrium 3, and a plurality of described corrugated steel webs unit is laid at grade.Described corrugated steel web unit is formed by the first flat plate, the second flat plate, the 3rd straight steel plate splicing in flat plate He Siping City, and described the first flat plate, described the second flat plate, described the 3rd flat plate and described the 4th flat plate are laid from front to back along the length direction of bottom wing listrium 3.Described the first flat plate is parallel laying with described the 3rd flat plate, and described the second flat plate and described the 4th flat plate are symmetrical and lay.Described the first flat plate, described the second flat plate, described the 3rd flat plate and described the 4th flat plate are square plate, structure and the size of described the first flat plate and described the 3rd flat plate are all identical, and structure and the size of described the second flat plate and described the 4th flat plate are all identical.

As shown in Figure 3, work progress of the present utility model comprises the following steps:

Step 1, prestress system and Wavelike steel webplate are laid and are installed: the described prestress system in need construction bottom wing listrium 3 is laid, and above need construction bottom wing listrium 3, two described Wavelike steel webplates 1 are installed.

In the present embodiment, described bottom wing listrium 3 is formed by connecting by the first frange plate sections and the second frange plate sections, described the first frange plate sections be laid in same level with described the second frange plate sections and the width of the two all identical with the width of bottom wing listrium 3, the longitudinal length of described the first frange plate sections is 0.6L～0.7L.Described the first frange plate sections is the front segment of bottom wing listrium 3 or the rear segment of bottom wing listrium 3.When described the first frange plate sections is the front segment of bottom wing listrium 3, described the second presstressed reinforcing steel 4-2 is tension reinforcing steel bar bundle for the first time, and described the 3rd presstressed reinforcing steel 4-3 is tension reinforcing steel bar bundle for the second time; When described the first frange plate sections is the rear segment of bottom wing listrium 3, described the 3rd presstressed reinforcing steel 4-3 is tension reinforcing steel bar bundle for the first time, and described the second presstressed reinforcing steel 4-2 is tension reinforcing steel bar bundle for the second time.

In the present embodiment, after described Wavelike steel webplate 1 is in place, also need the Wavelike steel webplate 1 to being in place to position.

Step 2, the construction of bottom wing listrium: bottom wing listrium 3 is constructed, and process is as follows:

The middle part concreting of step 201, bottom flange plate portion sections and for the first time prestressed stretch-draw: the concrete to described the first frange plate sections middle part carries out pouring construction, and described in the multiple tracks that described the first frange plate sections middle part is laid for the first time tension reinforcing steel bar bundle synchronously carry out stretch-draw, its Construction State refers to Fig. 4.After the concreting at described the first frange plate sections middle part completes, the inner of tension reinforcing steel bar bundle is all embedded in described the first frange plate sections for the second time described in multiple tracks.Wherein, during to the described Shu Jinhang of tension reinforcing steel bar for the first time stretch-draw in described the first frange plate sections, adopt one-end tension mode to carry out stretch-draw.

During practice of construction, when tension reinforcing steel bar bundle synchronously carries out stretch-draw for the first time described in the multiple tracks that described the first frange plate sections middle part is laid, according to pre-tensioning system to tension reinforcing steel bar Shu Jinhang stretch-draw for the first time described in multiple tracks.In the present embodiment, until the intensity of described the first frange plate sections middle part institute concreting reach design strength 90% after, then described in the multiple tracks that described the first frange plate sections middle part is laid for the first time tension reinforcing steel bar bundle synchronously carry out stretch-draw.

Step 202, the remainder concreting of bottom wing listrium and for the second time prestressed stretch-draw: the concrete to bottom wing listrium 3 remainders is built, and to described in the multiple tracks in described the second frange plate sections for the second time all the first elongated presstressed reinforcing steel 4-1 in tension reinforcing steel bar bundle and two described sidepiece prestressed structures synchronously carry out stretch-draw, its Construction State refers to Fig. 5.Wherein, during to the described Shu Jinhang of tension reinforcing steel bar for the second time stretch-draw in described the first frange plate sections, adopt one-end tension mode to carry out stretch-draw; When the first elongated presstressed reinforcing steel 4-1 is carried out to stretch-draw, adopt the mode of the symmetrical simultaneous tension in two ends to carry out stretch-draw.

Before bottom wing listrium 3 being constructed in step 2, bottom wing listrium 3 is carried out in work progress or after bottom wing listrium 3 has been constructed, at the Wavelike steel webplate 1 construction top flange plate 2 of installation.

In the present embodiment, until the concreting of bottom wing listrium 3 remainders in step 202 complete and prestressed stretch-draw after, described top flange plate 2 is carried out to pouring construction.

During practice of construction, can be according to specific needs, the pouring construction time of top flange plate 2 is adjusted.

During practice of construction, when all the first elongated presstressed reinforcing steel 4-1 in tension reinforcing steel bar bundle and two described sidepiece prestressed structures synchronously carry out stretch-draw for the second time described in the multiple tracks in described the second frange plate sections, according to pre-tensioning system, carry out stretch-draw.In the present embodiment, until the intensity of institute's concreting in step 202 reach design strength 90% after, the more described bundle of tension reinforcing steel bar for the second time and the first elongated presstressed reinforcing steel 4-1 are carried out to stretch-draw.

In practice of construction process, in step 1 when described the first frange plate sections is the front segment of bottom wing listrium 3, the length of described the first frange plate sections is not more than second length of short presstressed reinforcing steel, and described the second the shortest presstressed reinforcing steel is the second the shortest presstressed reinforcing steel 4-2 of length in the second presstressed reinforcing steel 4-2 described in multiple tracks; When described the first frange plate sections is the rear segment of bottom wing listrium 3, the length of described the first frange plate sections is not more than the 3rd length of short presstressed reinforcing steel, and described the 3rd the shortest presstressed reinforcing steel is the 3rd the shortest presstressed reinforcing steel 4-3 of length in the 3rd presstressed reinforcing steel 4-3 described in multiple tracks.In the present embodiment, described the first frange plate sections is the front segment of bottom wing listrium 3.During practice of construction, described the first frange plate sections can be also the rear segment of bottom flange plate 3.

In the present embodiment, Wavelike steel webplate described in step 11 is spliced by the first Wavelike steel webplate sections and the second Wavelike steel webplate sections, wherein said the first Wavelike steel webplate sections is laid in described the first frange plate sections top, and described the second Wavelike steel webplate sections is laid in described the second frange plate sections top; Described the first Wavelike steel webplate sections and described the second Wavelike steel webplate sections are spliced by a plurality of Wavelike steel webplate sections, and a plurality of described Wavelike steel webplate sections are laid from front to back along the length direction of bottom wing listrium 3.When Wavelike steel webplate 1 is installed in step 1, first described the first Wavelike steel webplate sections is installed; After described in step 201, tension reinforcing steel bar Shu Zhangla completes for the first time, and before carrying out the remainder concreting of bottom wing listrium and prestressed stretch-draw in step 202, described the second Wavelike steel webplate sections is installed.

Correspondingly, when the described prestress system in need construction bottom wing listrium 3 is laid in step 1, first the second presstressed reinforcing steel 4-2 and the 3rd presstressed reinforcing steel 4-3 are laid; After described in step 201, tension reinforcing steel bar Shu Zhangla completes for the first time, and before carrying out the remainder concreting of bottom wing listrium and prestressed stretch-draw in step 202, the first elongated presstressed reinforcing steel 4-1 is laid.

During practice of construction, before Wavelike steel webplate 1 being installed in step 1, also need described lower shear connector be installed in installed Wavelike steel webplate 1 bottom.

In the present embodiment, before Wavelike steel webplate 1 being installed in step 1, need the top/bottom part of installed Wavelike steel webplate 1 install respectively described on shear connector and described lower shear connector.

And, before Wavelike steel webplate 1 being installed in step 1, also need installed Wavelike steel webplate 1 to carry out preservative treatment.

In the present embodiment, in step 201, during to the described Shu Jinhang of tension reinforcing steel bar for the first time stretch-draw in described the first frange plate sections, adopt ground tackle 15 to carry out stretch-draw, after to be tensioned completing, the ground tackle 15 at the described bundle of tension reinforcing steel bar for the first time two ends is carried out respectively to sealing off and covering anchorage; After having constructed in step 202, the ground tackle 15 that install the described bundle of tension reinforcing steel bar for the first time the inner is built in bottom wing listrium 3.

And, when the described Shu Jinhang of tension reinforcing steel bar for the second time in described the second frange plate sections is laid in step 1, the inner of the described bundle of tension reinforcing steel bar for the second time is fixedly mounted on a ground tackle 15, and after the concreting at the first frange plate sections middle part described in step 201 completes, the ground tackle 15 that install the described bundle of tension reinforcing steel bar for the second time the inner is built in described the first frange plate sections.In step 202, when the first elongated presstressed reinforcing steel 4-1 in tension reinforcing steel bar bundle and two described sidepiece prestressed structures carries out stretch-draw for the second time described in the multiple tracks in described the second frange plate sections, all adopt anchoring 15 to carry out stretch-draw.

Embodiment 2

In the present embodiment, the corrugated steel web plate composite box girder of constructing as different from Example 1: described middle part prestressed structure is the second prestressed structure.In conjunction with Fig. 7, described the second prestressed structure comprises multiple tracks the 4th presstressed reinforcing steel 4-4 and multiple tracks the 5th presstressed reinforcing steel 4-5, and described in the 4th presstressed reinforcing steel 4-4 and multiple tracks, the 5th presstressed reinforcing steel 4-5 is all laid in same level described in multiple tracks.Described bottom wing listrium 3 by front end sections, rear end sections and be connected in described front end sections and described rear end sections between middle part sections be formed by connecting, described front end sections, described middle part sections and described rear end sections are laid from front to back along the length direction of bottom wing listrium 3.Length L 1=0.6L～the 0.7L of described middle part sections, described in the 4th presstressed reinforcing steel 4-4 and multiple tracks, the 5th presstressed reinforcing steel 4-5 is all laid in the sections of described middle part described in multiple tracks.Described the 4th presstressed reinforcing steel 4-4 and the length of the 5th presstressed reinforcing steel 4-5 in the sections of described middle part are 0.6L1～0.7L1.Described the 4th presstressed reinforcing steel 4-4 and the 5th presstressed reinforcing steel 4-5 all lay along the length direction of bottom wing listrium 3.The front end of described the 4th presstressed reinforcing steel 4-4 is positioned at described middle part sections one side end and its rear end is embedded in described middle part sections, and the rear end of described the 5th presstressed reinforcing steel 4-5 is positioned at described middle part sections end side and its front end is embedded in described middle part sections.The front end of described the 4th presstressed reinforcing steel 4-4 is stretching end, and the rear end of described the 5th presstressed reinforcing steel 4-5 is stretching end.

In the present embodiment, the quantity of described the 4th presstressed reinforcing steel 4-4 and the 5th presstressed reinforcing steel 4-5 is twice, and the 4th presstressed reinforcing steel 4-4 lays respectively at the left and right sides of the 5th presstressed reinforcing steel 4-5 described in twice described in twice.

In the present embodiment, described in the 4th presstressed reinforcing steel 4-4, twice, described in the 5th presstressed reinforcing steel 4-5 and twice, the first elongated presstressed reinforcing steel 4-1 is all laid on same plane and it is even laying described in twice.During practice of construction, according to the structure stress bending moment diagram of constructed case beam, the quantity of the 4th presstressed reinforcing steel 4-4 and the 5th presstressed reinforcing steel 4-5 in the quantity of included the first elongated presstressed reinforcing steel 4-1 in two described sidepiece prestressed structures and described the second prestressed structure is adjusted accordingly.

In the present embodiment, remainder structure and the annexation of the corrugated steel web plate composite box girder of constructing are all identical with embodiment 1.

In the present embodiment, work progress of the present utility model comprises the following steps:

Step 1, prestress system and Wavelike steel webplate are laid and are installed: the described prestress system in need construction bottom wing listrium 3 is laid, and above need construction bottom wing listrium 3, two described Wavelike steel webplates 1 are installed.

In the present embodiment, after described Wavelike steel webplate 1 is in place, also need the Wavelike steel webplate 1 to being in place to position.

Step 2, the construction of bottom wing listrium: bottom wing listrium 3 is constructed, and process is as follows:

The middle part concreting of step 201, bottom flange plate portion sections and for the first time prestressed stretch-draw: first the concrete at described middle part sections middle part is carried out to pouring construction, and described in the multiple tracks that sections middle part in described middle part is laid described in the 4th presstressed reinforcing steel 4-4 and multiple tracks the 5th presstressed reinforcing steel 4-5 synchronously carry out stretch-draw; After the concreting at sections middle part, described middle part completes, the inner of the inner of described the 4th presstressed reinforcing steel 4-4 and the 5th presstressed reinforcing steel 4-5 is all embedded in the sections of described middle part; Wherein, when the 4th presstressed reinforcing steel 4-4 and the 5th presstressed reinforcing steel 4-5 are carried out to stretch-draw, all adopt one-end tension mode to carry out stretch-draw, its Construction State refers to Fig. 8.

During practice of construction, when the 4th presstressed reinforcing steel 4-4 and the 5th presstressed reinforcing steel 4-5 are carried out to stretch-draw, all according to pre-tensioning system, carry out stretch-draw.In embodiment, until the intensity of described middle part sections middle part institute concreting reach design strength 90% after, then the 5th presstressed reinforcing steel 4-5 described in the 4th presstressed reinforcing steel 4-4 and multiple tracks described in multiple tracks is synchronously carried out to stretch-draw.

Step 202, the remainder concreting of bottom wing listrium and for the second time prestressed stretch-draw: the concrete to bottom wing listrium 3 remainders is built, and all the first elongated presstressed reinforcing steel 4-1 in two described sidepiece prestressed structures are synchronously carried out to stretch-draw, its Construction State refers to Fig. 9.Wherein, when the first elongated presstressed reinforcing steel 4-1 is carried out to stretch-draw, adopt the mode of the symmetrical simultaneous tension in two ends to carry out stretch-draw.

Before bottom wing listrium 3 being constructed in step 2, bottom wing listrium 3 is carried out in work progress or after bottom wing listrium 3 has been constructed, at the Wavelike steel webplate 1 construction top flange plate 2 of installation.

In the present embodiment, when the concrete of bottom wing listrium 3 remainders is built in step 202, synchronously described top flange plate 2 is carried out to pouring construction.

During practice of construction, can be according to specific needs, the pouring construction time of top flange plate 2 is adjusted.

During practice of construction, when the first elongated presstressed reinforcing steel 4-1 is carried out to stretch-draw, according to pre-tensioning system, carry out stretch-draw.In the present embodiment, until the intensity of institute's concreting in step 202 reach design strength 90% after, more described the first elongated presstressed reinforcing steel 4-1 is carried out to stretch-draw.

In the present embodiment, Wavelike steel webplate described in step 11 by front side steel web sections, rear side steel web sections and be connected in described front side steel web sections and described rear side steel web sections between middle part steel web sections form, described middle part steel web sections is laid in described middle part sections top; Described front side steel web sections, described middle part steel web sections and described rear side steel web sections are laid from front to back along the length direction of bottom wing listrium 3; When Wavelike steel webplate 1 is installed in step 1, first described middle part steel web sections is installed; After the 4th presstressed reinforcing steel 4-4 until middle part described in step 201 in sections and the 5th presstressed reinforcing steel 4-5 stretch-draw complete, and before carrying out the remainder concreting of bottom wing listrium and prestressed stretch-draw in step 202, described front side steel web sections and described rear side steel web sections are installed respectively.

Correspondingly, when the described prestress system in need construction bottom wing listrium 3 is laid in step 1, first the 4th presstressed reinforcing steel 4-4 and the 5th presstressed reinforcing steel 4-5 are laid; After the 4th presstressed reinforcing steel 4-4 described in step 201 and the 5th presstressed reinforcing steel 4-5 stretch-draw complete, and before carrying out the remainder concreting of bottom wing listrium and prestressed stretch-draw in step 202, the first elongated presstressed reinforcing steel 4-1 is laid.

During practice of construction, before Wavelike steel webplate 1 being installed in step 1, also need described lower shear connector be installed in installed Wavelike steel webplate 1 bottom.

In the present embodiment, before Wavelike steel webplate 1 being installed in step 1, need the top/bottom part of installed Wavelike steel webplate 1 install respectively described on shear connector and described lower shear connector.

And, before Wavelike steel webplate 1 being installed in step 1, also need installed Wavelike steel webplate 1 to carry out preservative treatment.

In the present embodiment, while the 4th presstressed reinforcing steel 4-4 and the 5th presstressed reinforcing steel 4-5 being carried out to stretch-draw in step 201, all adopt ground tackle 15 to carry out stretch-draw, after to be tensioned completing, the ground tackle 15 at the 4th presstressed reinforcing steel 4-4 and the 5th presstressed reinforcing steel 4-5 two ends is carried out respectively to sealing off and covering anchorage; After having constructed in step 202, the ground tackle 15 that install at described the 4th presstressed reinforcing steel 4-4 and the 5th presstressed reinforcing steel 4-5 two ends is all built in bottom wing listrium 3.

And, when the 4th presstressed reinforcing steel 4-4 and the 5th presstressed reinforcing steel 4-5 are laid in step 1, the inner of the inner of the 4th presstressed reinforcing steel 4-4 and the 5th presstressed reinforcing steel 4-5 is fixedly mounted on respectively on a ground tackle 15, and after the concreting at sections middle part, middle part described in step 201 completes, the ground tackle 15 that install the inner of the inner of described the 4th presstressed reinforcing steel 4-4 and the 5th presstressed reinforcing steel 4-5 is all built in the sections of described middle part.While described the first elongated presstressed reinforcing steel 4-1 being carried out to stretch-draw in step 202, adopt anchoring 15 to carry out stretch-draw.

Embodiment 3

In the present embodiment, as shown in figure 10, as different from Example 1: described lower shear connector is the second Shear connection structure.Described the second Shear connection structure comprises that multiple tracks is through the first transverse connection of Wavelike steel webplate 1 bottom, described in multiple tracks, the first transverse connection is all positioned in same level and it is all laid along the width of bottom wing listrium 3, described in multiple tracks, the first transverse connection is laid from front to back along the length direction of bottom wing listrium 3, and described Wavelike steel webplate 1 bottom correspondence has a plurality of the first through holes that pass for the first transverse connection described in multiple tracks respectively.Described in described Wavelike steel webplate 1 bottom and multiple tracks, the first transverse connection is all built in bottom wing listrium 3.Described the first transverse connection is PBL connector or reinforcing bar, and described PBL connector is that the middle part of strip steel plate and described strip steel plate has a plurality of holes from front to back.Described in multiple tracks, the length of the first transverse connection is all identical with the width of bottom wing listrium 3.

In the present embodiment, described the first transverse connection is reinforcing bar.Described in multiple tracks, the first transverse connection is even laying.

During practice of construction, described the first transverse connection can be also PBL connector.And described PBL connector is that the middle part of strip steel plate and described strip steel plate has a plurality of holes from front to back, this strip steel plate is vertically to laying.In the present embodiment, described hole is circular hole.

Meanwhile, described the second Shear connection structure also comprises that twice are all laid in lower longitudinal connector of Wavelike steel webplate 1 bottom, and lower longitudinal connector is separately fixed at Wavelike steel webplate 1 left and right sides, bottom described in twice; Described in twice, lower longitudinal connector is all laid along the length direction of bottom wing listrium 3, and the length of lower longitudinal connector is all identical with the length of bottom wing listrium 3 described in twice.Described lower longitudinal connector is PBL connector or reinforcing bar.Between described lower longitudinal connector and Wavelike steel webplate 1, with welding manner, be fixed and be connected.

In the present embodiment, described lower longitudinal connector is reinforcing bar.

During practice of construction, described lower longitudinal connector can be also PBL connector.And this PBL connector (being strip steel plate) is vertically to laying.

In the present embodiment, lower longitudinal connector is laid in respectively described the first flat plate and described the 3rd flat plate bottom described in twice.Described in twice, lower longitudinal connector is all laid in same level.

In the present embodiment, described upper shear connector is the 5th Shear connection structure, and the structure of described the 5th Shear connection structure is identical with the structure of described the second Shear connection structure.

Described the 5th Shear connection structure comprises that multiple tracks is through the 3rd transverse connection 7 on Wavelike steel webplate 1 top, described in multiple tracks, the 3rd transverse connection 7 is all positioned in same level and it is all laid along the width of top flange plate 2, described in multiple tracks, the 3rd transverse connection 7 is laid from front to back along the length direction of top flange plate 2, and described Wavelike steel webplate 1 top correspondence has a plurality of third through-holes that pass for the 3rd transverse connection 7 described in multiple tracks respectively.Described in described Wavelike steel webplate 1 top and multiple tracks, the 3rd transverse connection 7 is all built in top flange plate 2.Described the 3rd transverse connection 7 is PBL connector or reinforcing bar; Described in multiple tracks, the length of the 3rd transverse connection 7 is all identical with the width of top flange plate 2.

In the present embodiment, described the 3rd transverse connection 7 is reinforcing bar.Described in multiple tracks, the 3rd transverse connection 7 is even laying.

During practice of construction, described the 3rd transverse connection 7 can be also PBL connector.And this PBL connector (being strip steel plate) is vertically to laying.

Meanwhile, described the 5th Shear connection structure also comprises that twice are all laid in upper longitudinal connector 12 at Wavelike steel webplate 1 top, and upper longitudinal connector 12 is separately fixed at Wavelike steel webplate 1 left and right sides, top described in twice; Described in twice, upper longitudinal connector 12 is all laid along the length direction of top flange plate 2, and the length that goes up longitudinal connector 12 described in twice is all identical with the length of top flange plate 2; Described longitudinal connector 12 is PBL connector or reinforcing bar.

In the present embodiment, described longitudinal connector 12 is reinforcing bar.

During practice of construction, described longitudinal connector 12 can be also PBL connector.And this PBL connector (being strip steel plate) is vertically to laying.

In the present embodiment, two described longitudinal connectors 12 are laid in respectively described the first flat plate and described the 3rd flat plate top.

In the present embodiment, described the first through hole and described third through-hole are manhole.

In the present embodiment, remainder structure and the annexation of the corrugated steel web plate composite box girder of constructing are all identical with embodiment 1.

Embodiment 4

In the present embodiment, as shown in Figure 11-1, Figure 11-2 and Figure 11-3, as different from Example 1: described lower shear connector is the 3rd Shear connection structure.

Described the 3rd Shear connection structure comprises shear plate under shear plate 10-1 under a plurality of left sides that are all laid in Wavelike steel webplate 1 left side wall bottom and a plurality of right side that is all laid in Wavelike steel webplate 1 right side wall bottom, under a plurality of described left sides, under shear plate 10-1 and a plurality of described right side, shear plate is all laid from front to back along the length direction of bottom wing listrium 3, under a plurality of described left sides, under shear plate 10-1 and a plurality of described right side, shear plate is all laid in same level, and under a plurality of described left sides, under shear plate 10-1 and a plurality of described right side, shear plate is and is laid staggeredly.Under described Wavelike steel webplate 1 bottom, a plurality of described left side, under shear plate 10-1 and a plurality of described right side, shear plate is all built in bottom wing listrium 3.

In the present embodiment, described the 3rd Shear connection structure also comprises that multiple tracks is all through the second transverse connection 16 of Wavelike steel webplate 1 bottom, described in multiple tracks, the second transverse connection 16 is all positioned in same level and it is all laid along the width of bottom wing listrium 3, and under a plurality of described left sides, under shear plate 10-1 and a plurality of described right side, shear plate is all positioned at the second transverse connection 16 belows described in multiple tracks.Described in multiple tracks, the second transverse connection 16 is laid from front to back along the length direction of bottom wing listrium 3, described in multiple tracks, the length of the second transverse connection 16 is all identical with the width of bottom wing listrium 3, and described Wavelike steel webplate 1 bottom correspondence has a plurality of the second through hole 8-2 that pass for the second transverse connection 16 described in multiple tracks respectively.

In the present embodiment, described the second transverse connection 16 is reinforcing bar.Described in multiple tracks, the second transverse connection 16 is even laying.

During practice of construction, described the second transverse connection 16 can be also PBL connector.And described PBL connector is that the middle part of strip steel plate and described strip steel plate has a plurality of holes from front to back, this strip steel plate is vertically to laying.In the present embodiment, described hole is circular hole.

In the present embodiment, the steel plate sections of laying the lower shear plate 10-1 in left side in described Wavelike steel webplate 1 is that left side shear plate is laid section, and the steel plate sections of laying shear plate under described right side in described Wavelike steel webplate 1 is that right side shear plate is laid section; Under described left side, shear plate 10-1 is for described left side shear plate is laid to the shear plate that pars infrasegmentalis bends rear formation left, and under described right side, shear plate is for laying by described right side shear plate the shear plate that pars infrasegmentalis bends rear formation to the right.

In the present embodiment, under a plurality of described left sides, under shear plate 10-1 and a plurality of described right side, the structure of shear plate and size are all identical and be square plate.

In the present embodiment, under a plurality of described left sides, under shear plate 10-1 and a plurality of described right side, shear plate is all even laying, and the spacing under spacing two described right sides adjacent with front and back under adjacent two described left sides, front and back between shear plate 10-1 between shear plate is identical.Under a plurality of described left sides, the structure of shear plate 10-1 and size are all identical, and under a plurality of described right sides, the structure of shear plate and size are all identical, and under described left side, under shear plate 10-1 and described right side, the structure of shear plate is all identical with size.

In the present embodiment, described upper shear connector is the 6th Shear connection structure, and the structure of described the 6th Shear connection structure is identical with the structure of described the 3rd Shear connection structure.

Described the 6th Shear connection structure comprises shear plate 11-2 on shear plate 11-1 on a plurality of left sides that are all laid in Wavelike steel webplate 1 left side wall top and a plurality of right side that is all laid in Wavelike steel webplate 1 right side wall top, on a plurality of described left sides, on shear plate 11-1 and a plurality of described right side, shear plate 11-2 all lays from front to back along the length direction of top flange plate 2, on a plurality of described left sides, on shear plate 11-1 and a plurality of described right side, shear plate 11-2 is all laid in same level, on a plurality of described left sides, on shear plate 11-1 and a plurality of described right side, shear plate 11-2 is and is laid staggeredly, on described Wavelike steel webplate 1 top, a plurality of described left side, on shear plate 11-1 and a plurality of described right side, shear plate 11-2 all builds in top flange plate 2.

Simultaneously, described the 6th Shear connection structure also comprises that multiple tracks is all through the 4th transverse connection 13 on Wavelike steel webplate 1 top, described in multiple tracks, the 4th transverse connection 13 is all positioned in same level and it is all laid along the width of top flange plate 2, and on a plurality of described left sides, on shear plate 11-1 and a plurality of described right side, shear plate 11-2 is all positioned at the 4th transverse connection 13 tops described in multiple tracks; Described in multiple tracks, the 4th transverse connection 13 is laid from front to back along the length direction of top flange plate 2, described in multiple tracks, the length of the 4th transverse connection 13 is all identical with the width of top flange plate 2, and described Wavelike steel webplate 1 top correspondence has a plurality of fourth hole 8-4 that pass for the 4th transverse connection 13 described in multiple tracks respectively.

In the present embodiment, described the 4th transverse connection 13 is reinforcing bar.Described in multiple tracks, the 4th transverse connection 13 is even laying.

During practice of construction, described the 4th transverse connection 13 can be also PBL connector.And described PBL connector is that the middle part of strip steel plate and described strip steel plate has a plurality of holes from front to back, this strip steel plate is vertically to laying.In the present embodiment, described hole is circular hole.

In the present embodiment, a plurality of described Wavelike steel webplates 1 top is all fastenedly connected with top flange plate 2, on a plurality of described Wavelike steel webplates 1, set described the 3rd Shear connection structure shares the second transverse connection 16 described in multiple tracks, and on a plurality of described Wavelike steel webplates 1, set described the 6th Shear connection structure shares the 4th transverse connection 13 described in multiple tracks.

In the present embodiment, on a plurality of described left sides, on shear plate 11-1 and a plurality of described right side, the structure of shear plate 11-2 and size are all identical and be square plate.On a plurality of described left sides, the quantity of shear plate 11-1 is identical with the quantity of shear plate 10-1 under a plurality of described left sides, on a plurality of described left sides, shear plate 11-1 lays respectively at shear plate 10-1 top under a plurality of described left sides, on described left side, under shear plate 11-1 and left side, the structure of shear plate 10-1 is all identical with size, and on described left side, shear plate 11-1 is for laying described left side shear plate the shear plate that section top bends rear formation left.On a plurality of described right sides, the quantity of shear plate 11-2 is identical with the quantity of shear plate under a plurality of described right sides, on a plurality of described right sides, shear plate 11-2 lays respectively at shear plate top under a plurality of described right sides, on described right side, under shear plate 11-2 and described right side, the structure of shear plate is all identical with size, and on described right side, shear plate 11-2 lays by described right side shear plate the shear plate that section top bends rear formation to the right.

Actually add man-hour, it is flat plate one that described side shear plate is laid section, it is flat plate two that described right side shear plate is laid section, described flat plate one is parallel laying with described flat plate two, between the described flat plate two that described in each, flat plate one is adjacent with both sides before and after it, all by flat plate three, be connected, described flat plate one, described flat plate two and described flat plate three are rectangular steel plates.In the present embodiment, described flat plate one is the first flat plate, and described flat plate two is the second flat plate.

In the present embodiment, described the second through hole 8-2 and fourth hole 8-4 are circular hole.

In the present embodiment, remainder structure and the annexation of the corrugated steel web plate composite box girder of constructing are all identical with embodiment 1.

The above; it is only preferred embodiment of the present utility model; not the utility model is imposed any restrictions; every any simple modification of above embodiment being done according to the utility model technical spirit, change and equivalent structure change, and all still belong in the protection domain of technical solutions of the utility model.

Claims (10)

1. a corrugated steel web plate composite box girder, it is characterized in that: comprise bottom wing listrium (3), be positioned at top flange plate (2) and two symmetric support Wavelike steel webplate (1) between bottom wing listrium (3) and top flange plate (2) of bottom wing listrium (3) top, described top flange plate (2) and bottom wing listrium (3) all carry out level laying along the vertical bridge of institute's construction bridges to direction, described bottom wing listrium (3) is for being fastenedly connected by two described Wavelike steel webplates (1) and being integrated between cast in place concrete plate and itself and top flange plate (2), between described Wavelike steel webplate (1) bottom and bottom wing listrium (3), by lower shear connector, be fastenedly connected, in described bottom wing listrium (3), be laid with prestress system, described prestress system is positioned between two described Wavelike steel webplates (1), described prestress system comprises middle part prestressed structure and two the sidepiece prestressed structures that are laid in respectively bottom wing listrium (3) left and right sides that are laid in bottom wing listrium (3) middle part, two described sidepiece prestressed structures are symmetrical laying, and described middle part prestressed structure and two described sidepiece prestressed structures are laid in same level, described sidepiece prestressed structure comprises one or multi-channel the first elongated presstressed reinforcing steel (4-1) being laid in bottom wing listrium (3), and the first elongated presstressed reinforcing steel (4-1) is laid in same level described in multiple tracks, described the first elongated presstressed reinforcing steel (4-1) runs through from front to back bottom wing listrium (3) and its length in bottom wing listrium (3) is L, and wherein L is that the vertical bridge of bottom wing listrium (3) is to length, described the first elongated presstressed reinforcing steel (4-1) is laid along the length direction of bottom wing listrium (3),

Described middle part prestressed structure is the first prestressed structure or the second prestressed structure;

Described the first prestressed structure comprises multiple tracks the second presstressed reinforcing steel (4-2) and multiple tracks the 3rd presstressed reinforcing steel (4-3), described in multiple tracks, described in the second presstressed reinforcing steel (4-2) and multiple tracks, the 3rd presstressed reinforcing steel (4-3) is all laid in same level, and described the second presstressed reinforcing steel (4-2) and the length of the 3rd presstressed reinforcing steel (4-3) in bottom wing listrium (3) are 0.6L～0.7L; Described the second presstressed reinforcing steel (4-2) and the 3rd presstressed reinforcing steel (4-3) are all laid along the length direction of bottom wing listrium (3); The front end of described the second presstressed reinforcing steel (4-2) is positioned at bottom wing listrium (3) one side ends and its rear end is embedded in bottom wing listrium (3), and the rear end of described the 3rd presstressed reinforcing steel (4-3) is positioned at bottom wing listrium (3) end side and its front end is embedded in bottom wing listrium (3); The front end of described the second presstressed reinforcing steel (4-2) is stretching end, and the rear end of described the 3rd presstressed reinforcing steel (4-3) is stretching end;

Described the second prestressed structure comprises multiple tracks the 4th presstressed reinforcing steel (4-4) and multiple tracks the 5th presstressed reinforcing steel (4-5), and described in the 4th presstressed reinforcing steel (4-4) and multiple tracks, the 5th presstressed reinforcing steel (4-5) is all laid in same level described in multiple tracks; Described bottom wing listrium (3) by front end sections, rear end sections and be connected in described front end sections and described rear end sections between middle part sections be formed by connecting, described front end sections, described middle part sections and described rear end sections are laid from front to back along the length direction of bottom wing listrium (3); Length L 1=0.6L～the 0.7L of described middle part sections, described in the 4th presstressed reinforcing steel (4-4) and multiple tracks, the 5th presstressed reinforcing steel (4-5) is all laid in the sections of described middle part described in multiple tracks; Described the 4th presstressed reinforcing steel (4-4) and the length of the 5th presstressed reinforcing steel (4-5) in the sections of described middle part are 0.6L1～0.7L1; Described the 4th presstressed reinforcing steel (4-4) and the 5th presstressed reinforcing steel (4-5) are all laid along the length direction of bottom wing listrium (3); The front end of described the 4th presstressed reinforcing steel (4-4) is positioned at described middle part sections one side end and its rear end is embedded in described middle part sections, and the rear end of described the 5th presstressed reinforcing steel (4-5) is positioned at described middle part sections end side and its front end is embedded in described middle part sections; The front end of described the 4th presstressed reinforcing steel (4-4) is stretching end, and the rear end of described the 5th presstressed reinforcing steel (4-5) is stretching end.

2. according to a kind of corrugated steel web plate composite box girder claimed in claim 1, it is characterized in that: described lower shear connector is the first Shear connection structure, the second Shear connection structure or the 3rd Shear connection structure;

Described the first Shear connection structure comprises the bottom flange steel plate (5-1) that is fixed on Wavelike steel webplate (1) bottom and many first pegs (6) that are fixed on bottom flange steel plate (5-1) bottom, and many described the first pegs (6) are all built in bottom wing listrium (3); Described bottom flange steel plate (5-1) is the horizontal steel plate of laying along bottom wing listrium (3) length direction, and many described the first pegs (6) are all vertically to divide to laying and its length direction along bottom wing listrium (3) from front to back how row lays; Between described bottom flange steel plate (5-1) and Wavelike steel webplate (1) and between the first peg (6) and bottom flange steel plate (5-1), all with welding manner, be fixed and be connected;

Described the second Shear connection structure comprises that multiple tracks is through the first transverse connection of Wavelike steel webplate (1) bottom, described in multiple tracks, the first transverse connection is all positioned in same level and it is all laid along the width of bottom wing listrium (3), described in multiple tracks, the first transverse connection is laid from front to back along the length direction of bottom wing listrium (3), and described Wavelike steel webplate (1) bottom correspondence has a plurality of the first through holes that pass for the first transverse connection described in multiple tracks respectively; Described in described Wavelike steel webplate (1) bottom and multiple tracks, the first transverse connection is all built in bottom wing listrium (3); Described the first transverse connection is PBL connector or reinforcing bar, and described PBL connector is that the middle part of strip steel plate and described strip steel plate has a plurality of holes from front to back; Described in multiple tracks, the length of the first transverse connection is all identical with the width of bottom wing listrium (3);

Described the 3rd Shear connection structure comprises shear plate under shear plate (10-1) under a plurality of left sides that are all laid in Wavelike steel webplate (1) left side wall bottom and a plurality of right side that is all laid in Wavelike steel webplate (1) right side wall bottom, under a plurality of described left sides, under shear plate (10-1) and a plurality of described right side, shear plate is all laid from front to back along the length direction of bottom wing listrium (3), under a plurality of described left sides, under shear plate (10-1) and a plurality of described right side, shear plate is all laid in same level, under a plurality of described left sides, under shear plate (10-1) and a plurality of described right side, shear plate is and is laid staggeredly, under described Wavelike steel webplate (1) bottom, a plurality of described left side, under shear plate (10-1) and a plurality of described right side, shear plate is all built in bottom wing listrium (3).

3. according to a kind of corrugated steel web plate composite box girder described in claim 1 or 2, it is characterized in that: in two described sidepiece prestressed structures, the quantity of included the first elongated presstressed reinforcing steel (4-1) is together.

4. according to a kind of corrugated steel web plate composite box girder described in claim 1 or 2, it is characterized in that: the quantity of described the second presstressed reinforcing steel (4-2) and described the 3rd presstressed reinforcing steel (4-3) is twice, the second presstressed reinforcing steel (4-2) lays respectively at the left and right sides of the 3rd presstressed reinforcing steel (4-3) described in twice described in twice;

The quantity of described the 4th presstressed reinforcing steel (4-4) and the 5th presstressed reinforcing steel (4-5) is twice, and the 4th presstressed reinforcing steel (4-4) lays respectively at the left and right sides of the 5th presstressed reinforcing steel (4-5) described in twice described in twice.

5. according to a kind of corrugated steel web plate composite box girder described in claim 1 or 2, it is characterized in that: the steel plate sections of laying the lower shear plate (10-1) in left side in described Wavelike steel webplate (1) is that left side shear plate is laid section, the steel plate sections of laying shear plate under described right side in described Wavelike steel webplate (1) is that right side shear plate is laid section; Shear plate under described left side (10-1) is for described left side shear plate is laid to the shear plate that pars infrasegmentalis bends rear formation left, and under described right side, shear plate is for laying by described right side shear plate the shear plate that pars infrasegmentalis bends rear formation to the right.

6. according to a kind of corrugated steel web plate composite box girder claimed in claim 5, it is characterized in that: described left side shear plate is laid section for flat plate one, it is flat plate two that described right side shear plate is laid section, described flat plate one is parallel laying with described flat plate two, between the described flat plate two that described in each, flat plate one is adjacent with both sides before and after it, all by flat plate three, be connected, described flat plate one, described flat plate two and described flat plate three are rectangular steel plates.

7. according to a kind of corrugated steel web plate composite box girder described in claim 1 or 2, it is characterized in that: two described Wavelike steel webplates (1) are all vertically to laying; Described Wavelike steel webplate (1) by a plurality of structures and size all identical corrugated steel web unit spliced form, a plurality of described corrugated steel webs unit is laid from front to back along the length direction of bottom wing listrium (3), and a plurality of described corrugated steel webs unit is laid at grade; Described corrugated steel web unit is formed by the first flat plate, the second flat plate, the 3rd straight steel plate splicing in flat plate He Siping City, and described the first flat plate, described the second flat plate, described the 3rd flat plate and described the 4th flat plate are laid from front to back along the length direction of bottom wing listrium (3); Described the first flat plate is parallel laying with described the 3rd flat plate, and described the second flat plate and described the 4th flat plate are symmetrical and lay; Described the first flat plate, described the second flat plate, described the 3rd flat plate and described the 4th flat plate are square plate, structure and the size of described the first flat plate and described the 3rd flat plate are all identical, and structure and the size of described the second flat plate and described the 4th flat plate are all identical.

8. according to a kind of corrugated steel web plate composite box girder claimed in claim 2, it is characterized in that: described the second Shear connection structure also comprises that twice are all laid in lower longitudinal connector of Wavelike steel webplate (1) bottom, lower longitudinal connector is separately fixed at the left and right sides, Wavelike steel webplate (1) bottom described in twice; Described in twice, lower longitudinal connector is all laid along the length direction of bottom wing listrium (3), and the length of lower longitudinal connector is all identical with the length of bottom wing listrium (3) described in twice; Described lower longitudinal connector is PBL connector or reinforcing bar;

Described the 3rd Shear connection structure also comprises that multiple tracks is all through second transverse connection (16) of Wavelike steel webplate (1) bottom, described in multiple tracks, the second transverse connection (16) is all positioned in same level and it is all laid along the width of bottom wing listrium (3), and under a plurality of described left sides, under shear plate (10-1) and a plurality of described right side, shear plate is all positioned at the second transverse connection (16) below described in multiple tracks; Described in multiple tracks, the second transverse connection (16) is laid from front to back along the length direction of bottom wing listrium (3), described in multiple tracks, the length of the second transverse connection (16) is all identical with the width of bottom wing listrium (3), and described Wavelike steel webplate (1) bottom correspondence has a plurality of the second through holes (8-2) that the second transverse connection (16) passes described in multiple tracks that supply respectively.

9. according to a kind of corrugated steel web plate composite box girder claimed in claim 2, it is characterized in that: described top flange plate (2) is cast in place concrete plate, between described Wavelike steel webplate (1) top and top flange plate (2), by upper shear connector, is fastenedly connected;

Described upper shear connector is the 4th Shear connection structure, the 5th Shear connection structure or the 6th Shear connection structure;

Described the 4th Shear connection structure comprises and is fixed on the top flange steel plate at Wavelike steel webplate (1) top and the second peg that Duo Gen is all fixed on steel plate top, described top flange, and many described the second pegs are all built in top flange plate (2); Described top flange steel plate is the horizontal steel plate of laying along bottom wing listrium (3) length direction, and many described the second pegs are all vertically to divide to laying and its length direction along bottom wing listrium (3) from front to back how row lays; Between described top flange steel plate and Wavelike steel webplate (1) and between described the second peg and top flange steel plate, all with welding manner, be fixed and be connected;

Described the 5th Shear connection structure comprises that multiple tracks is through the 3rd transverse connection (7) on Wavelike steel webplate (1) top, described in multiple tracks, the 3rd transverse connection (7) is all positioned in same level and it is all laid along the width of top flange plate (2), described in multiple tracks, the 3rd transverse connection (7) is laid from front to back along the length direction of top flange plate (2), and described Wavelike steel webplate (1) top correspondence has a plurality of third through-holes that the 3rd transverse connection (7) passes described in multiple tracks that supply respectively; Described in described Wavelike steel webplate (1) top and multiple tracks, the 3rd transverse connection (7) is all built in top flange plate (2); Described the 3rd transverse connection (7) is PBL connector or reinforcing bar; Described in multiple tracks, the length of the 3rd transverse connection (7) is all identical with the width of top flange plate (2);

Described the 6th Shear connection structure comprises shear plate (11-2) on shear plate (11-1) on a plurality of left sides that are all laid in Wavelike steel webplate (1) left side wall top and a plurality of right side that is all laid in Wavelike steel webplate (1) right side wall top, on a plurality of described left sides, on shear plate (11-1) and a plurality of described right side, shear plate (11-2) is all laid from front to back along the length direction of top flange plate (2), on a plurality of described left sides, on shear plate (11-1) and a plurality of described right side, shear plate (11-2) is all laid in same level, on a plurality of described left sides, on shear plate (11-1) and a plurality of described right side, shear plate (11-2) is and is laid staggeredly, on described Wavelike steel webplate (1) top, a plurality of described left side, on shear plate (11-1) and a plurality of described right side, shear plate (11-2) is all built in top flange plate (2),

On a plurality of described left sides, on shear plate (11-1) and a plurality of described right side, the structure of shear plate (11-2) and size are all identical and be square plate; On a plurality of described left sides, the quantity of shear plate (11-1) is identical with the quantity of shear plate (10-1) under a plurality of described left sides, on a plurality of described left sides, shear plate (11-1) lays respectively at shear plate (10-1) top under a plurality of described left sides, and under shear plate on described left side (11-1) and left side, the structure of shear plate (10-1) and size are all identical; On a plurality of described right sides, the quantity of shear plate (11-2) is identical with the quantity of shear plate under a plurality of described right sides, on a plurality of described right sides, shear plate (11-2) lays respectively at shear plate top under a plurality of described right sides, and under shear plate on described right side (11-2) and described right side, the structure of shear plate and size are all identical.

10. according to a kind of corrugated steel web plate composite box girder claimed in claim 2, it is characterized in that: the distance between the upper and lower surface of described middle part prestressed structure and bottom wing listrium (3) is identical.