CN105821903A - Synthesized pipe rack with frame composite structure - Google Patents

Synthesized pipe rack with frame composite structure Download PDF

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Publication number
CN105821903A
CN105821903A CN201610237478.5A CN201610237478A CN105821903A CN 105821903 A CN105821903 A CN 105821903A CN 201610237478 A CN201610237478 A CN 201610237478A CN 105821903 A CN105821903 A CN 105821903A
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CN
China
Prior art keywords
tubing
unit
pipe gallery
plate
sheet
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CN201610237478.5A
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Chinese (zh)
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CN105821903B (en
Inventor
战福军
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南京联众建设工程技术有限公司
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Priority to CN201610237478.5A priority Critical patent/CN105821903B/en
Publication of CN105821903A publication Critical patent/CN105821903A/en
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Publication of CN105821903B publication Critical patent/CN105821903B/en

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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D29/00Independent underground or underwater structures; Retaining walls
    • E02D29/10Tunnels or galleries specially adapted to house conduits, e.g. oil pipe-lines, sewer pipes ; Making conduits in situ, e.g. of concrete ; Casings, i.e. manhole shafts, access or inspection chambers or coverings of boreholes or narrow wells

Abstract

The invention discloses a synthesized pipe rack with a frame composite structure. The synthesized pipe rack comprises unit plate pieces positioned on the upper and lower surfaces, and side unit plate pieces positioned on two side surfaces; the unit plate pieces and the side unit plate pieces are combined and spliced to form unit pipe sections; the unit pipe sections are axially spliced to form the synthesized pipe rack; the unit plate pieces consist of plates, hollow second pipes positioned at two ends, and hollow first pipes positioned at the other two ends; the side unit plate pieces consist of plates, and hollow second pipes positioned at two ends; the second pipes are axial splicing ends of the unit pipe sections; and in splicing of the synthesized pipe rack, the first pipes form longitudinal beams of the synthesized pipe rack, and the adjacent second pipes are connected with each other to form a skeleton structure of the synthesized pipe rack. The longitudinal beams and the skeleton structure of the pipe rack bear main loads; a bridge steel web structure is formed to enhance the shearing resistance of the pipe rack, and is skillfully used; based on dual enhanced structures, the bearing capacity is greatly improved; and under the same filling height, wall plates with the structures are thinner, and materials are saved.

Description

Frame type combined structure pipe gallery
Technical field
The invention discloses a kind of pipe gallery, particularly relate to a kind of frame type combined structure pipe gallery.
Background technology
At present, Urban Underground pipe gallery major part is made up of armored concrete, and its version has on-the-spot one-piece casting and precast assembly, cross sectional shape has rectangle and circle, but reinforced concrete structure cost is the highest, and seam is many, the most every 2~5 meters of seams, the sealing of seam is a difficult problem, and construction technical requirement is high, long construction period, in use it is easy to cracking, leaks, maintenance cost is high, and whole engineering uses cement in a large number, is unfavorable for environmental protection.Wherein rectangular configuration pipeline, its both sides body of wall, except the vertical load on top to be born, still suffer from the transverse load of side soil layer, and the plate at top directly bears dynamic loading and dead load, but because of only with common reinforced concrete technology, for resist torque and disturb song, strengthen its bearing capacity, prevent unstability, wall needs the thickest of setting, and expense is high.And circle reinforcing bar concrete pipe, there is duct bottom key groove is difficult to backfill, and its plate is all deep camber radian plate, and its headroom utilization rate is the lowest.
Applicant is devoted to steel construction and the research of steel-concrete fabricated structure and application always.Patent applied for number be 201510960789.X " steel Urban Underground pipe gallery " its material be that simple steel material is made, its bearing capacity is limited, it is impossible to be applied to heavy caliber cross section and high roadbed.Patent applied for number is 2015106007884 " precast assembly steel reinforced concrete combined type steel pipes and preparation method thereof ", Patent No. 201510598743.8 " precast assembly steel-concrete combined pipeline and preparation method thereof " and the patent of invention of Patent No. 201510600759.8 " steel-concrete combined structure pipeline of band spiral reinforcing ring and preparation method thereof ", in above-mentioned patent, pipeline section is all circular cross-section form, when being applied to Urban Underground pipe gallery with this kind of pipeline section form, have the disadvantage that 1., piping lane interior bottom portion is arc, it not flat, it is not easy to the current of maintainer and maintenance of equipment, need to build dedicated platform in piping lane interior bottom portion.2., piping lane both sides metope be also arc, be unfavorable for pipe support and pipeline arrangement arrange.3., for monoblock type circular cross-section pipeline, there is transport difficult, caliber is more than 3.5 meters and transfinites.4., transport be there is also for split blade type circular cross-section unfavorable, owing to its plate is arcuate structure, when lamination transports, in lamination the highest plate transportation, plate stress superposition is the most, easily causing the imponderable arc deforming of plate, serious luck is passed to scene cannot dock assembly, need to do over again.5., circular arc plate opposing straight plate, the machining control difficulty such as its circular arc degree, arc length is big, and processing cost is high.6., rectangular duct cross section can be by simply changing length-width ratio, to adapt to different floor height requirements.7., opposing circular cross section pipe, rectangular-section pipeline difficulty of construction is little.8., the flexibility of arc unit sheet bar is bigger than straight unit sheet bar.9., foregoing invention patent all applies pipeclay jointly by stress effect, this principle needs pipeline to realize with surrounding soil cooperative transformation, but for Urban Underground pipe gallery, when the deformation of pipeline is excessive, it is likely to result in the internal pipe support of piping lane and the deformation of pipeline or destruction.10., according to firmly building ministerial standard " city integrated piping lane engineering legislation " standard-required in 2015, circular piping lane is low relative to its space availability ratio for box-shaped piping lane, and circular piping lane connects the headroom of rectangle in only using circular piping lane.Namely this reason, the height of circular piping lane will be higher than box-shaped piping lane, need buried deeper, add cutting depth and the quantities on basis.
It would therefore be highly desirable to solve above-mentioned technical barrier.
Summary of the invention
Goal of the invention: it is an object of the invention to provide and a kind of there is stronger bearing capacity, stronger shear resistance and have the frame type combined structure pipe gallery that anti-seismic performance is good, anti-settling performance is good concurrently.
Technical scheme: the invention discloses a kind of frame type combined structure pipe gallery, forms unit tube coupling including by the unit sheet bar being positioned at top and bottom with the side unit plate composite assembly being positioned at two sides, and this unit tube coupling is assembled vertically forms pipe gallery;Wherein, the second tubing that described unit sheet bar by sheet material, is positioned at its two ends hollow and the first tubing being positioned at its other two ends hollow form, described side unit plate is made up of sheet material and the second tubing being positioned at its two ends hollow, and this second tubing is the axial splice ends of unit tube coupling;In assembly forms pipe gallery, the first tubing constitutes the longeron of pipe gallery, and adjacent second tubing is interconnected to form the framing structure of pipe gallery.
Wherein, during described unit sheet bar and side unit plate circumferentially assembled formation unit tube coupling, connected by a pair connecting plate between adjacent cells plate, wherein, the end of each unit sheet bar is equipped with a connecting plate, and each connecting plate stretches out from the end of unit sheet bar, extension is as splicing joint face.
Preferably, when the sheet material on described side unit plate is polylith, being provided with the second tubing between adjacent sheet metal side by side, this second tubing circumference connects the framing structure forming unit tube coupling.
The open another kind of frame type combined structure pipe gallery of the present invention, forms unit tube coupling including by unit sheet bar is circumferentially assembled, and this unit tube coupling is assembled vertically forms pipe gallery;Wherein, the first tubing that described unit sheet bar includes the hollow extended along unit pipes joint axial direction, the sheet material being provided with in the second tubing of the hollow of splice ends and this first tubing and the second tubing surround space as unit pipes nodal axisn, the most described first tubing forms the longeron of pipe gallery, and described adjacent second tubing is interconnected to form the framing structure of pipe gallery.
Wherein, during described unit sheet bar circumferentially assembled formation unit tube coupling, contact end first tubing of adjacent cells plate is offered circumference connecting hole, and the contact surface of adjacent first tubing is splicing joint face.
Preferably, during described unit sheet bar circumferentially assembled formation unit tube coupling, connected by a pair connecting plate between adjacent cells plate, wherein, the end of each unit sheet bar is equipped with a connecting plate, and each connecting plate stretches out from the end of unit sheet bar, and extension is as splicing joint face.
Particularly, fill concrete in described first tubing and the second tubing.
Further, the outside of described sheet material and/or inner side have projection, described sheet material to be made up of metallic plate, and this metallic plate bent upon itself forms projection;Or metallic plate is bent to form convex shape, form hollow cavity structure with sheet material or tubing with this combination of protrusions;Or be spliced by metallic plate and metal tube;Or formed the sheet material with hollow cavity structure by C-type steel, channel-section steel, I-steel, arc-shaped steel, angle steel or corrugated plating with metallic plate fastening.
Preferably, the cross section of described projection is single section form or multiple section form combines.
Furthermore, when described unit tube coupling splices vertically, contact end second tubing of adjacent cells plate is offered axial connecting hole and axially connects installation handle hole, and the contact surface of adjacent second tubing is splicing joint face.
Wherein, described first tubing is the spliced steel pipe that plurality of steel plates combines.
Preferably, when the sheet material on described unit sheet bar is polylith, being provided with the second tubing between adjacent sheet metal side by side, this second tubing circumference connects the framing structure forming unit tube coupling.
Inventive principle: first the present invention is in assembly forms pipe gallery, the first tubing of longeron as pipe gallery undertakes Main Load with the second tubing of the framing structure forming pipe gallery, is possible to prevent lateral bucking, increases bulk strength;
The sheet material of the band projection on the first tubing being secondly positioned on the unit sheet bar of top and bottom in the present invention and side unit plate on the side forms bridge corrugated steel web structure, have employed the shearing resistance principle of bridge corrugated steel web structure, bridge steel web structure shearing resistance principle mainly replaces concrete web with bridge corrugated steel web.Bridge corrugated steel web shear-carrying capacity is relevant with wave amplitude and wavelength, and related experiment shows: along with the increase critical load of wavelength reduces;But the increase critical load being as wave amplitude increases.Simultaneously when wave amplitude goes to zero and wavelength tends to infinity, corrugated web just becomes ordinary flat, it is clear that under the same terms, the former critical load is higher than the latter, illustrates that corrugated web has certain superiority in terms of shearing resistance.At present, domestic Wavelike steel webplate bridge single span greatest length has reached 160 meters, has a following loading characteristic:
1, stress distribution is uniform, in corrugated steel web box girder bridge, and concrete slab bending resistance, corrugated steel web shearing resistance;Almost all of moment of flexure is all born by upper and lower concrete slab, and shearing is substantially undertaken by corrugated steel web, and the stress distribution in web is approximately uniform figure, beneficially material and plays one's part to the full, as shown in Figure 1;
2, increase radius of gyration, improve structure efficiency;Concrete in corrugated steel web box girder bridge all concentrates at upper and lower plates, and the radius of gyration almost increases to maximum, substantially increases the structure efficiency in cross section;
3, cracking in webs problem, excellent in durability are avoided;Traditional prestressed concrete box-beam bridge by external force load and concrete shrinkage, creeping is affected, usually at web, crack occurs, causing the problems such as concrete section weakening, steel bar corrosion, corrugated steel web box girder bridge does not then have the problems referred to above, and endurance quality is preferable;
4, antitorque and anti-distortion rigidity is little, and compared with common concrete box girder, torsional rigidity and the anti-distortion rigidity of corrugated steel web box beam section decrease, however, it is possible to improve the antitorque and anti-distortion rigidity of corrugated steel web box beam by being appropriately arranged with diaphragm plate.
Furthermore the sheet material of band projection have employed big the moment of inertia principle, big the moment of inertia principle is by being the cross section plate with bulge-structure by straight sheet metal forming, its cross sectional moment of inertia is greatly improved, bending resistance, antitorque and resistance to deformation ability are obviously improved, then making plate bearing capacity compare straight plate to be greatly improved, its performance boost degree depends on shape and the size of projection.
As longeron and the concrete filled steel tube of roof beam structure of total in the present invention, as main compression-member, improve integrally-built intensity.Wherein use concrete filled steel tube operation principle, concrete filled steel tube refers to fill concrete in steel pipe and the steel pipe that formed and core concrete thereof bear the structural elements of external load effect jointly, different by section form, concrete filled steel tube can be divided into, side, concrete-filled rectangular steel tube and polygon steel pipe concrete etc., as shown in Figure 2.
Concrete filled steel tube can give full play to superior compressive property that concrete had and the superior tensile property that steel are had as compression member.When concrete filled steel tube bears pressure, the radial direction of concrete is retrained by steel pipe, creates interaction force, referred to as clamping force between steel pipe and concrete.This clamping force changes the stress of concrete, and unidirectional pressurized is changed into three dimension stress, so that core concrete has higher comprcssive strength and resistance capacity to deformation, as shown in Figure 3.Steel pipe contining function substantially increases the mechanical property of concrete, makes the fragility of concrete be overcome.On the other hand enhancing the stability of steel pipe tube wall in concrete fills in steel pipe, stress performance is greatly improved.Thin-wall steel tube is easy to occur cripling to destroy, but the steel pipe in concrete filled steel tube is because inside is filled with concrete, improves the lateral rigidity of tube wall.
Concrete filled steel tube performance characteristics:
Superior mechanical property:
Corresponding steel pipe and 1.7~2.0 times of concrete independent bearing capacity sum can be reached through experimental and theoretical computation analytical proof concrete filled steel tube compressive strength bearing capacity, as shown in Figure 4, i.e. N3=(1.7~2.0) × (N1+N2), wherein, N1, N2, N3 represent the maximum load capacity of various structure respectively.
Good plasticity, toughness and anti-seismic performance:
Concrete filled steel tube is under Subjected To Compression, Bending, Shear cyclic load, and the energy absorption performance of structure is especially good, and substantially without Stiffness Deterioration, anti-seismic performance is superior to reinforced concrete structure significantly.
Saving raw material, obvious economic:
Under conditions of bearing capacity is identical, when using concrete filled steel tube to substitute steel construction, it is possible to reduce about 50% steel using amount;When substituting armored concrete, the amount of concrete of more than 50% can be saved, alleviate more than 50% dead load, reduction more than 50% structural section area, save the template of 100%.
Steel pipe, concrete and sheet material are organically integrated by the present invention, and give full play to respective feature and advantage, overall structure undertakes different effects respectively.
Beneficial effect: compared with prior art, the present invention has a following remarkable advantage:
(1) in this frame type combined structure pipe gallery, the first tubing forms the longeron of pipe gallery, and the second tubing circumference connects the framing structure forming pipe gallery, and longeron and framing structure undertake Main Load, improves piping lane bearing capacity;First tubing is connected with side unit plate and forms the bridge steel web structure of pipe gallery and enhance the shear resistance of piping lane, and wherein sheet material is both as the wallboard of piping lane, again as the web of piping lane shearing resistance bridge steel web structure, has obtained ingenious utilization;At this on the basis of dual enhancing structure, the bearing capacity of piping lane is greatly improved, and under the identical depth of fill, then this structural wall board is thinner, saves material;
(2) bridge steel web structure makes the piping lane axial length can be the longest, thus can strengthen the spacing between the second tubing, reduce the quantity of the second short steel pipes, thus lower the manufacture difficulty of piping lane, reduces construction volume, reduces material usage;Owing to applying bridge steel web shear structure, so in addition to the second tubing infrastructure needs special handling, the basis between the second tubing is without special handling, and corridor body even can be unsettled, saves engineering cost;
(3) fill concrete in steel pipe, uses the common Force principle of pipeclay, improves its bearing capacity further, and under the identical depth of fill, then this structural wall board is thinner, saves material;
(4) the sheet material moment of inertia of cross-section of this pipe gallery is high, bearing capacity improves, its wall thickness can be the most thinning, reduce the cost of material, and when the intensity height of ripple sheet material, the spacing between steel pipe can strengthen, decrease the use of material, decrease concrete amount and piping lane weight, greatly reduce manufacturing cost, improve construction speed;
(5) structure of this pipe gallery improves the utilization rate of internal headroom and current clear span and clear height compared with circular cross-section pipeline, and compared with circular cross-section pipeline in the case of ensureing equal internal headroom, the highly significant of piping lane reduces, such that it is able to reduce the foundation excavation degree of depth, reduce civilwork engineering quantity;
(6) the bottom flat face of this pipe gallery or little curvature cambered surface, need not pave and just can use, and its internal pipeline layout is more convenient, can be directly as remarkable or cross vehicle passage, most important when solving the backfill of circular cross-section pipeline is also backfill construction and the problem of compactness of the most difficult bottom wedged gap;
(7) this pipe gallery is semi-compliant structure, and anti-seismic performance is good, and anti-settling performance is good, absorbable micro-deformation, and the most easy to crack;And special connecting elements between adjacent cells plate, can be used, and being conducive to improving sealing property and convenient installation, tube coupling is all hidden in inside structural member with tube coupling splicing connecting bolt, it is not necessary to the inside of exposed piping lane, affects attractive in appearance;
(8) this pipe gallery is burst assembled structure, and speed of application is fast, the construction period is short, and single-unit piping lane can be few up to 15~25 meters of (as long as traffic condition is permitted, can be longer) piping lane seams, it is easy to seals.
Accompanying drawing explanation
Fig. 1 is the shearing resistance principle schematic of bridge steel web structure of the present invention;
Fig. 2 is the schematic cross-section of concrete filled steel tube of the present invention;
Fig. 3 is concrete stress schematic diagram of the present invention;
Fig. 4 is steel concrete axially loaded schematic diagram of the present invention;
Fig. 5 (a)-5 (b) is the cross sectional representation that the first kind of the present invention is protruding;
Fig. 6 (a)-6 (i) is the cross sectional representation that Equations of The Second Kind of the present invention is protruding;
Fig. 7 (a)-7 (b) is the cross sectional representation that the present invention the 3rd class is protruding;
Fig. 8 (a)-8 (c) is the cross sectional representation that the present invention the 4th class is protruding;
Fig. 9 (a) is plate construction schematic diagram in the present invention;
Fig. 9 (b) is sheet end surface schematic diagram in the present invention;
Figure 10 is the structural representation of the present invention the first tubing;
Figure 11 is the structural representation of the present invention the second tubing;
Figure 12 is the present invention structural representation as the second tubing axially connecting end;
Figure 13 is the structural representation of the unit sheet bar of band connecting plate of the present invention;
Figure 14 be band connecting plate of the present invention the structural representation of side unit plate;
Figure 15 is the structural representation of invention unit tube coupling;
Figure 16 is the schematic cross-section of pipe gallery of the present invention;
Figure 17 is the partial enlarged drawing in Figure 16 at A;
Figure 18 is the Longitudinal cross section schematic of frame type combined structure pipe gallery of the present invention;
Figure 19 is the splicing construction schematic diagram of the present invention the first tubing.
Detailed description of the invention
Below in conjunction with the accompanying drawings technical scheme is described further.
As shown in figure 15, the first frame type combined structure pipe gallery 100 disclosed by the invention, unit tube coupling 103 is formed with side unit plate 102 composite assembly being positioned at two sides including by the unit sheet bar 101 being positioned at top and bottom, sheet material in described unit sheet bar is flat, as shown in Figure 13, Figure 14.Wherein, the sheet material in described unit sheet bar can be little curvature arc-like sheet or flat sheet, and wherein arc-like sheet sheet material makes higher, the anti-vertical unstability ability of the torsional rigidity of unit sheet bar higher, can improve weldquality simultaneously to a certain extent, reduce stress and concentrate.Instantly when the sheet material of unit sheet bar is flat, need not pave and just can use, and its internal pipeline is arranged more convenient, can be directly as remarkable or mistake vehicle passage.
As shown in Figure 15, Figure 16, unit tube coupling 103 is rectangle, and meanwhile, single-unit piping lane can be up to 15~25 meters, as long as traffic condition license, length can be longer, and the most whole piping lane seam reduces, better tightness;Frame type combined structure pipe gallery 100 is formed by assembled vertically for the unit tube coupling 103 obtained.
As shown in figure 13, unit sheet bar 101 by sheet material 106, is positioned at its two ends hollow the second tubing 105 and the first tubing 104 being positioned at its other two ends hollow form, as shown in Figure 10, Figure 11.As shown in figure 14, side unit plate 102 is made up of sheet material 106 and the second tubing 105 being positioned at its two ends, and this second tubing 105 is the axial splice ends of unit tube coupling 103, simultaneously in assembly forms pipe gallery 100, described first tubing 104 forms the longeron of pipe gallery 100, described adjacent second tubing 105 is interconnected to form the framing structure of pipe gallery 100, and described first tubing 104 is connected the bridge steel web structure forming pipe gallery 100 with side unit plate 102 circumference.In this frame type combined structure pipe gallery, the second tubing as the first tubing of pipe gallery longeron and the framing structure of piping lane carries piping lane Main Load, improves piping lane bearing capacity;First tubing is connected the bridge steel web structure formed and enhances the shear resistance of piping lane with side unit plate circumference simultaneously, and wherein sheet material is both as the wallboard of piping lane, again as the web of corridor body shearing resistance bridge structure, has obtained ingenious utilization;On the basis of above-mentioned dual enhancing structure, the bearing capacity of piping lane is greatly improved, and under the identical depth of fill, then this structural wall board is thinner, saves material;Corrugated steel web bridge shear structure makes the piping lane axial length can be the longest simultaneously, thus can strengthen the spacing between the second tubing, reduce the quantity of the second short steel pipes, thus lower the manufacture difficulty of piping lane, reduces construction volume, reduces material usage;Owing to applying corrugated steel web bridge shear structure, so in addition to the second tubing infrastructure needs special handling, the basis between the second tubing is without special handling, and corridor body even can be unsettled, saves engineering cost.
Wherein the second tubing 105 the most end to end formation framing structure, block the first tubing 104 and steel pipe nozzle of the second tubing 105, and in the first tubing 104 and the second tubing 105 fill concrete 107, as shown in figure 18, the present invention uses the common Force principle of pipeclay, improves its bearing capacity further, under the identical depth of fill, then this structural wall board is thinner, saves material.
In the present invention, outside and/or the inner side of sheet material 106 have protruding 108, as shown in Fig. 9 (a), 9 (b).The wherein sheet material 106 on unit sheet bar 101 at least one piece, in order to increase the length of unit sheet bar 101, also can be spliced by multi-sheets, and be provided with the second tubing 105 between adjacent sheet metal 106 side by side, this second tubing 105 circumference connects the framing structure forming unit tube coupling 103.Equally, sheet material 106 on side unit plate 102 at least one piece, in order to increase the length of side unit plate 102, it is possible to be spliced by multi-sheets, and between adjacent sheet metal 106, it being provided with the second tubing 105 side by side, this second tubing 105 circumference connects the framing structure forming unit tube coupling 103.Wherein, the first tubing 104 can be spliced steel pipe.Directly can be spliced into steel pipe by angle steel and bending part and replace whole section bar, as shown in figure 19, be beneficial to assembling and the simplification of structure of on-the-spot total.
In the present invention, the rectangular framework of steel pipe is as framing structure, undertakes Main Load, improves bearing capacity;This piping lane is box-structure, and has projection, and therefore piping lane has certain vertical bearing capacity.
Above-mentioned protruding 108 can individually be located on sheet material 106, as shown in Fig. 5 (a), 5 (b).Above-mentioned sheet material 106 is made up of metallic plate 109, its protrusions 108 can be formed by this metallic plate 109 bent upon itself, the shape of cross section of bending can be that grooved, arc, semicircle, wave are linear, trapezoidal etc., the cross-sectional perimeter of this projection 108 has opening, as shown in Fig. 6 (a)~6 (g);Wherein unit sheet bar is made up of metallic plate 109, forming protruding 108 can be the hollow cavity structure of cross-sectional perimeter Guan Bi, hollow cavity structure can be formed by this metallic plate 109 bent upon itself, the shape of cross section of bending can be rectangle, circle etc., and the gap formed between hollow cavity structure with metallic plate 10+ is welded, as shown in Fig. 6 (h), 6 (i).
Protruding 108 shapes can also be bent to form by metallic plate 109, hollow cavity structure is formed with the combination of this projection 108 with sheet material or tubing, as shown in Fig. 7 (a), 7 (b), wherein, the cavity geometry being bent to form can be grooved, arc, semicircle etc., and sheet material used can be straight plate, channel-section steel, C-type steel, arc-shaped plate etc..The wherein said section form of protruding 108 is single section form or multiple section form combines.Section form when protruding 108 is multiple section form when combining, and can be combined separately by half square-section and semi-circular cross-section.
Sheet material 106 in the present invention can also be spliced by metallic plate 109 and metal tube 110, as shown in Fig. 8 (a)-8 (c);Or fastened by C-type steel, channel-section steel, I-steel, arc-shaped steel, angle steel or corrugated plating and metallic plate 109 and form the sheet material 106 with hollow cavity structure.Above straight sheet material is bent to form the sheet material with shapes such as arc, ripple type, grooveds and can increase the vertical bearing capacity of unit sheet bar.
The sheet material moment of inertia of cross-section of this frame type combined structure pipe gallery is high, bearing capacity improves, its wall thickness can be the most thinning, reduce the cost of material, and when the intensity height of ripple sheet material, the spacing between steel pipe can strengthen, decrease the use of material, decrease concrete amount and piping lane weight, greatly reduce manufacturing cost, improve construction speed.
During said units plate 101 and side unit plate 102 circumferentially assembled formation unit tube coupling 103, connected, as shown in Figure 16, Figure 17 by a pair connecting plate 112 between adjacent cells plate.Wherein, the end of each unit sheet bar is equipped with a connecting plate 112, and each connecting plate 112 stretches out from the end of unit sheet bar, and extension is as splicing joint face.The extension of a pair connecting plate 112 such as can be offered circumference connecting hole 111, with bolts, wherein, splicing joint face shown in Figure 16 is horizontal direction, be conducive to boring, may be used without remaining splicing joint face at an angle to the horizontal direction, so can improve tube coupling rigidity in construction and intensity.Utilize above-mentioned connecting plate can be conducive to installing and sealing with the end position of levelling side unit plate;Connecting plate on base unit plate facilitates the centering of side unit plate, serves the effect guiding draw-in groove;Outside pipe gallery, bolt connects, convenient installation;While adjacent cells sheet contacts face seal, add again the sealing of extension, dual-seal, improve sealing property.
When unit tube coupling 103 splices vertically in the present invention, contact end second tubing 105 of adjacent cells plate is offered axial connecting hole 113 and axially connects installation handle hole 114, and the contact surface of adjacent steel pipe is splicing joint face.Flange bolt such as can be used to connect, attended operation for the ease of bolt is convenient, offer axially to connect near axial connecting hole 113 at steel pipe and handle hole 114 is installed, and on the first tubing 104 and the second tubing 105, offer the plug hole when the stream of concrete perfusion 107 starches hole 115 as concrete perfusion and overfolw hole, as shown in figure 12.It is of course also possible to the contact surface of adjacent steel pipe is directly welded.
The second frame type combined structure pipe gallery 100 disclosed by the invention, wherein the second frame type combined structure pipe gallery 100 is in place of the difference of the first frame type combined structure pipe gallery 100: the second frame type combined structure pipe gallery 100 includes being formed unit tube coupling 103 by unit sheet bar 101 is circumferentially assembled, and this unit tube coupling 103 is assembled vertically forms frame type combined structure pipe gallery 100;Wherein, described unit sheet bar 101 includes the sheet material 106 that the first tubing 104 along the extension of unit tube coupling 103 axial direction, the second tubing 105 as the axial splice ends of unit tube coupling 103 and this first tubing 104 and the second tubing 105 are provided with in surrounding space, the most described first tubing 104 forms the longeron of pipe gallery 100, described second tubing 105 circumference connects the framing structure forming pipe gallery 100, described in be positioned at the unit sheet bar 101 of pipe gallery 100 sidewall and form the bridge steel web structure of pipe gallery 100.
In the second frame type combined structure pipe gallery 100 of the present invention during unit sheet bar 101 circumferentially assembled formation unit tube coupling 103, offer circumference connecting hole 111 on contact end first tubing 104 of adjacent cells plate 101, and the contact surface of adjacent first tubing 104 is splicing joint face.Simultaneously in the second frame type combined structure pipe gallery 100 during unit sheet bar 101 circumferentially assembled formation unit tube coupling 103, also can be connected by a pair connecting plate 112 between adjacent cells plate 101, wherein, the end of each unit sheet bar 101 is equipped with a connecting plate 112, and each connecting plate 112 stretches out from the end of unit sheet bar 101, extension is as splicing joint face.
The structure of the frame type combined structure pipe gallery of the present invention improves the utilization rate of internal headroom and current clear span and clear height compared with circular cross-section pipeline, and compared with circular cross-section pipeline in the case of ensureing equal internal headroom, the highly significant of piping lane reduces, such that it is able to reduce the foundation excavation degree of depth, reduce civilwork engineering quantity;The bottom flat face of next this piping lane or little curvature cambered surface, need not pave and just can use, and its internal pipeline layout is more convenient, can be directly as remarkable or cross vehicle passage, most important when solving the backfill of circular cross-section pipeline is also backfill construction and the problem of compactness of the most difficult bottom wedged gap;Furthermore this piping lane is semi-compliant structure, anti-seismic performance is good, and anti-settling performance is good, absorbable micro-deformation, and the most easy to crack;And special connecting elements between adjacent cells plate, can be used, be conducive to improving sealing property and convenient installation.This frame type combined structure pipe gallery typically can operate with underground and shares the protection pipe of ditch, municipal administration common conduit, underground collector pipe, supplying drainage, People's Bank of China or vehicle driving passage, underground utilities.

Claims (12)

1. a frame type combined structure pipe gallery, it is characterized in that: include being formed unit tube coupling (103) by the unit sheet bar (101) being positioned at top and bottom and side unit plate (102) composite assembly being positioned at two sides, this unit tube coupling (103) is assembled vertically forms pipe gallery (100);Wherein, the second tubing (105) that described unit sheet bar (101) by sheet material (106), is positioned at its two ends hollow and the first tubing (104) being positioned at its other two ends hollow form, described side unit plate (102) is by sheet material (106) and is positioned at second tubing (105) of its two ends hollow and forms, and this second tubing (105) is the axial splice ends of unit tube coupling (103);In assembly forms pipe gallery (100), first tubing (104) constitutes the longeron of pipe gallery (100), and adjacent second tubing (105) is interconnected to form the framing structure of pipe gallery (100).
Frame type combined structure pipe gallery the most according to claim 1, it is characterized in that: during described unit sheet bar (101) and side unit plate (102) circumferentially assembled formation unit tube coupling (103), connected by a pair connecting plate (112) between adjacent cells plate, wherein, the end of each unit sheet bar is equipped with a connecting plate (112), and each connecting plate (112) stretches out from the end of unit sheet bar, extension is as splicing joint face.
Frame type combined structure pipe gallery the most according to claim 1, it is characterized in that: when the sheet material (106) on described side unit plate (102) is polylith, being provided with the second tubing (105) between adjacent sheet metal (106) side by side, this second tubing (105) circumference connects the framing structure forming unit tube coupling (103).
4. a frame type combined structure pipe gallery, it is characterized in that: including being formed unit tube coupling (103) by unit sheet bar (101) is circumferentially assembled, this unit tube coupling (103) is assembled vertically forms pipe gallery (100);Wherein, described unit sheet bar (101) include the hollow extended along unit tube coupling (103) axial direction the first tubing (104), surround space as second tubing (105) of hollow of unit tube coupling (103) axially splice ends and this first tubing (104) and the second tubing (105) in the sheet material (106) that is provided with, the most described first tubing (104) forms the longeron of pipe gallery (100), and described adjacent second tubing (105) is interconnected to form the framing structure of pipe gallery (100).
Frame type combined structure pipe gallery the most according to claim 4, it is characterized in that: during described unit sheet bar (101) circumferentially assembled formation unit tube coupling (103), offer circumference connecting hole (111) on the contact end the first tubing (104) of adjacent cells plate (101), and the contact surface of adjacent first tubing (104) is splicing joint face.
Frame type combined structure pipe gallery the most according to claim 4, it is characterized in that: during described unit sheet bar (101) circumferentially assembled formation unit tube coupling (103), connected by a pair connecting plate (112) between adjacent cells plate (101), wherein, the end of each unit sheet bar (101) is equipped with a connecting plate (112), and each connecting plate (112) stretches out from the end of unit sheet bar (101), extension is as splicing joint face.
7. according to the frame type combined structure pipe gallery described in claim 1 or 4, it is characterised in that: described first tubing (104) and the second tubing (105) interior fill concrete (107).
8. according to the frame type combined structure pipe gallery described in claim 1 or 4, it is characterized in that: there is projection (108) outside of described sheet material (106) and/or inner side, described sheet material (106) is made up of metallic plate (109), and this metallic plate (109) bent upon itself forms projection (108);Or metallic plate (109) is bent to form projection (108) shape, form hollow cavity structure with sheet material or tubing with this projection (108) combination;Or be spliced by metallic plate (109) and metal tube (110);Or formed the sheet material (106) with hollow cavity structure by C-type steel, channel-section steel, I-steel, arc-shaped steel, angle steel or corrugated plating with metallic plate (109) fastening.
Frame type combined structure pipe gallery the most according to claim 8, it is characterised in that: the cross section of described projection (108) is single section form or multiple section form combines.
10. according to the frame type combined structure pipe gallery described in claim 1 or 4, it is characterized in that: when described unit tube coupling (103) is spliced vertically, offer axial connecting hole (113) on the contact end the second tubing (105) of adjacent cells plate and axially connect installation handle hole (114), and the contact surface of adjacent second tubing (105) is splicing joint face.
11. according to the frame type combined structure pipe gallery described in claim 1 or 4, it is characterised in that: described first tubing (104) is the spliced steel pipe that plurality of steel plates combines.
12. according to the frame type combined structure pipe gallery described in claim 1 or 4, it is characterized in that: when the sheet material (106) on described unit sheet bar (101) is polylith, being provided with the second tubing (105) between adjacent sheet metal (106) side by side, this second tubing (105) circumference connects the framing structure forming unit tube coupling (103).
CN201610237478.5A 2016-04-15 2016-04-15 Frame type combined structure pipe gallery CN105821903B (en)

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CN106400840A (en) * 2016-12-15 2017-02-15 杨省三 Assembly type steel-plastic composite underground utility tunnel
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CN107378519A (en) * 2017-09-05 2017-11-24 洛阳霍鑫机电科技有限公司 A kind of stainless steel welded formula combined platform preparation method

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CN106759475A (en) * 2016-12-03 2017-05-31 中建钢构有限公司 A kind of steel construction pipe gallery
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