CN205821975U - A kind of assembling steel plate composite beam bridge based on bolted steel reinforced concrete combined bridge deck - Google Patents

A kind of assembling steel plate composite beam bridge based on bolted steel reinforced concrete combined bridge deck Download PDF

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Publication number
CN205821975U
CN205821975U CN201620761051.0U CN201620761051U CN205821975U CN 205821975 U CN205821975 U CN 205821975U CN 201620761051 U CN201620761051 U CN 201620761051U CN 205821975 U CN205821975 U CN 205821975U
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China
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steel
steel plate
reinforced concrete
bridge deck
bridge
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CN201620761051.0U
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Chinese (zh)
Inventor
刘永健
王莉莉
高诣民
张泽军
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Changan University
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Changan University
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Abstract

The utility model discloses a kind of assembling steel plate composite beam bridge based on bolted steel reinforced concrete combined bridge deck, including the girder supporting construction being made up of multiple tracks steel girder and multiple steel reinforced concrete combined bridge deck plate segment being arranged on from front to back in girder supporting construction, steel girder is I-steel girder;Steel reinforced concrete combined bridge deck plate segment includes multiple steel reinforced concrete combined bridge deck Slab element laid from left to right, it is laid with longitudinal cast-in-place concrete structure directly over steel girder, is all attached by longitudinal cast-in-place concrete structure between adjacent two the steel reinforced concrete combined bridge deck Slab element in left and right;Steel reinforced concrete combined bridge deck Slab element includes end steel plate, lateral stiffening structure, prefabricated bridge reinforcing bar and precast slab, is attached by horizontal cast-in-place concrete structure between the most adjacent two steel reinforced concrete combined bridge deck Slab element.This utility model simple in construction, reasonable in design, easy construction and using effect are good, good mechanical performance, and installation and removal speed of application is fast, and can solve the problem that girder spacing is excessive.

Description

A kind of assembling steel plate composite beam bridge based on bolted steel reinforced concrete combined bridge deck
Technical field
This utility model belongs to technical field of bridge construction, especially relates to a kind of based on bolted steel reinforced concrete combined bridge deck Assembling steel plate composite beam bridge.
Background technology
Steel plate combination beam bridge is made up of steel girder, concrete slab and connection system.For the feelings that bridge deck width is bigger Condition, generally uses the form arranging longitudinal wet joint to be attached, and needs to set up template, connect reserved steel bar also at wet seam crossing Pouring wet joint concrete, this form of construction work complex procedures, field operation amount is many, is not easy to the secondary of floorings more simultaneously Change.
The quick assembling construction of steel plate combination beam bridge is development a kind of construction method more rapidly, because it is constructed The series of advantages such as speed is fast, little to traffic impact, construction quality is good and be widely used in bridge Fast Construction and old bridge changes Make in project.For realizing the quick assembling of steel plate combination beam bridge, the connection of steel girder and concrete slab be key technology it One.Conventional steel plates composite beam bridge many employings reinforced concrete bridge deck plate, but it is as popularization and application and the girder of few girder bridge Being gradually increased of spacing, the more difficult design requirement meeting long-span bridge panel of reinforced concrete bridge deck plate, steel reinforced concrete combined bridge deck There is bigger bending rigidity and bearing capacity, can effectively realize the design application of relatively long-span bridge panel.Steel reinforced concrete combined bridge deck Plate has many performance advantages of reinforced concrete bridge deck plate and steel bridge deck concurrently, and steel plate may act as end template in prefabrication process Effect.Meanwhile, steel reinforced concrete combined bridge deck has preferable durability relative to reinforced concrete bridge deck plate, can effectively slow down floorings Occur that serious durability damages phenomenon.Therefore, a kind of reasonable in design, easy construction need to be designed and using effect is good, mechanical property Excellent assembling steel plate composite beam bridge based on steel reinforced concrete combined bridge deck and construction method thereof, mount and dismount speed of application Hurry up, short construction period, and can effectively solve the problem that girder spacing is excessive.
Utility model content
Technical problem to be solved in the utility model is for above-mentioned deficiency of the prior art, it is provided that a kind of based on The assembling steel plate composite beam bridge of steel reinforced concrete combined bridge deck, its simple in construction, reasonable in design and easy construction, using effect be good, Good mechanical performance, installation and removal speed of application is fast, short construction period, and can effectively solve excessive the asking of girder spacing Topic.
For solving above-mentioned technical problem, the technical solution adopted in the utility model is: a kind of based on the combination of bolted steel reinforced concrete The assembling steel plate composite beam bridge of floorings, it is characterised in that: include the steel girder being all laid in same level by multiple tracks The girder supporting construction of composition and multiple steel reinforced concrete combined bridge deck plate segment being arranged on from front to back in described girder supporting construction, Steel girder described in multiple tracks is along indulging the bridge I-steel girder to laying, and steel girder described in per pass is spliced by multiple steel girder segment Forming, multiple described steel girder segment are along indulging bridge to being laid in from back to front in same level;Multiple described steel reinforced concrete combined bridge decks The structure of plate segment is the most identical and it is along indulging bridge to being laid in from back to front in same level;Each described steel reinforced concrete combined bridge deck Plate segment all includes multiple steel reinforced concrete combined bridge deck Slab element being laid in from left to right in same level, Mei Gesuo along direction across bridge The left and right sides stating steel reinforced concrete combined bridge deck Slab element is supported on steel girder described in adjacent twice respectively;Steel girder described in per pass Surface be laid with in level lay longitudinal cast-in-place concrete structure, adjacent two the described steel reinforced concrete combined bridge decks in left and right All be attached by longitudinal cast-in-place concrete structure between unit, described longitudinal cast-in-place concrete structure along vertical bridge to laying and It is positioned at the surface of described steel girder;
Described steel reinforced concrete combined bridge deck Slab element include end steel plate, the lateral stiffening structure being laid on steel plate of the described end, Many along direction across bridge from a left side to after the prefabricated bridge reinforcing bar that is arranged in described lateral stiffening structure and pouring in steel of the described end Precast slab on plate, described lateral stiffening structure includes that multiple tracks is along indulging bridge to being laid in from back to front on steel plate of the described end Perforate ribbed stiffener, perforate ribbed stiffener described in multiple tracks all lays along direction across bridge and it is all in same level, opens described in multiple tracks Hole ribbed stiffener and many described prefabricated bridge reinforcing bars all pour in precast slab;The knot of perforate ribbed stiffener described in multiple tracks Structure is the most identical with size, and perforate ribbed stiffener described in per pass is one all in vertically to the elongate steel plate laid, described strip The middle part of shape steel plate has multiple reinforced steel bar perforation from left to right;Steel plate of the described end includes that horizontal base steel plate and two symmetries are laid in The steel sheet connection structure of the horizontal base steel plate left and right sides, described horizontal base steel plate is rectangular steel plates, and each described steel plate connects knot Structure is all included the steel plate connection strap being fixed on described steel girder by multiple connecting bolts and is connected to horizontal base steel plate and steel Transition steel plate bar between plate connection strap, described steel plate connection strap is that level is laid and have on it multiple for connecting bolt installation The first bolt mounting holes, multiple described connecting bolts along vertical bridge to laying from back to front, the height of described steel plate connection strap Degree is less than the height of horizontal base steel plate;Perforate ribbed stiffener described in multiple tracks is all weldingly fixed on horizontal base steel plate, described prefabricated mixed Concrete board is to be positioned at the Rectangular Concrete plate directly over horizontal base steel plate, prefabricated bridge reinforcing bar described in per pass by before backward from Described reinforced steel bar perforation on perforate ribbed stiffener described in multiple tracks passes;
The upper flange left and right sides of steel girder described in per pass all has the second bolt installation that string is installed for connecting bolt Hole, the second bolt mounting holes described in each column all includes that bridge is indulged to described second bolt mounting holes laid from back to front in multiple edge; The upper flange of steel girder described in per pass is tied with being laid in the longitudinal cast-in-place concrete of all steel sheet connection structures composition on this upper flange The forming panel of structure;
By the horizontal cast-in-place concrete laid in level between the most adjacent two described steel reinforced concrete combined bridge deck Slab element Structure is attached, and described horizontal cast-in-place concrete structure is laid along direction across bridge;Described in described steel reinforced concrete combined bridge deck Slab element Before and after end steel plate, two ends all extend out to outside precast slab, and before and after steel plate of the described end, two ends extend out to precast concrete Sections outside plate is overhanging section of steel plate;The precast slab of the most adjacent two described steel reinforced concrete combined bridge deck Slab element and institute State steel reinforced concrete combined bridge deck plate segment and form the forming panel of horizontal cast-in-place concrete structure;Each described horizontal cast-in-place concrete is tied Structure all pours with the longitudinal cast-in-place concrete structure being positioned at both sides around and is integrated;
Described precast slab, longitudinal cast-in-place concrete structure are the most equal with the upper surface of laterally cast-in-place concrete structure Together.
Above-mentioned a kind of assembling steel plate composite beam bridge based on bolted steel reinforced concrete combined bridge deck, is characterized in that: Qian Houxiang It is fixedly connected with welding manner between the steel plate of the described end of adjacent two described steel reinforced concrete combined bridge deck Slab element.
Above-mentioned a kind of assembling steel plate composite beam bridge based on bolted steel reinforced concrete combined bridge deck, is characterized in that: described mistake Crossing steel plate strip is the inclined steel plate bar tilted the most gradually downward, and described steel plate connection strap and transition steel plate bar are rectangular Shape steel plate strip;Steel plate of the described end is formed by one piece of rectangular steel plates bending.
Above-mentioned a kind of assembling steel plate composite beam bridge based on bolted steel reinforced concrete combined bridge deck, is characterized in that: described in open The two ends, left and right of hole ribbed stiffener all extend out to outside precast slab, and the two ends, left and right of described perforate ribbed stiffener extend out to prefabricated Sections outside concrete slab is overhanging section of ribbed stiffener, a length of longitudinal cast-in-place concrete structure width of overhanging section of described ribbed stiffener The half of degree.
Above-mentioned a kind of assembling steel plate composite beam bridge based on bolted steel reinforced concrete combined bridge deck, is characterized in that: described steel Mixed combined bridge deck Slab element is positioned on the left of overhanging section of all ribbed stiffeners composition on the left of precast slab group of putting more energy into, described steel Mixed combined bridge deck Slab element is positioned on the right side of overhanging section of all ribbed stiffeners composition on the right side of precast slab group of putting more energy into;It is positioned at same Together put more energy into reinforcing structure on the left of group composition beam in all left sides above described steel girder, be positioned at along with above described steel girder All right sides put more energy into group composition beam on the right side of reinforcing structure;On the left of described beam on the right side of reinforcing structure and described beam on reinforcing structure all Being equipped with the longitudinally connected reinforcing bar of multiple tracks from left to right, longitudinally connected reinforcing bar described in multiple tracks is all laid in level and it is all laid in same On one horizontal plane, longitudinally connected reinforcing bar described in per pass is put more energy on the right side of reinforcing structure or described beam before backward on the left of described beam Described reinforced steel bar perforation on overhanging section of multiple described ribbed stiffener in structure passes;Described longitudinally connected reinforcing bar pours in the most existing In pouring concrete structure.
Above-mentioned a kind of assembling steel plate composite beam bridge based on bolted steel reinforced concrete combined bridge deck, is characterized in that: Duo Gesuo State reinforced steel bar perforation in uniformly laying;Perforate ribbed stiffener described in per pass all includes that middle part ribbed stiffener sections and two symmetries are connected to institute State overhanging section of the described ribbed stiffener of the ribbed stiffener sections left and right sides, middle part, the described reinforced steel bar perforation on the ribbed stiffener sections of described middle part For the first through hole passed for prefabricated bridge reinforcing bar, the described reinforced steel bar perforation on overhanging section of described ribbed stiffener is for for longitudinally connected The second through hole that reinforcing bar passes.
Above-mentioned a kind of assembling steel plate composite beam bridge based on bolted steel reinforced concrete combined bridge deck, is characterized in that: per pass institute Stating the left and right sides above the upper flange of steel girder and be laid with string WELDING STUDS, two row that each described upper flange is laid are described WELDING STUDS is respectively positioned on this upper flange between two described second bolt mounting holes of row offered;WELDING STUDS described in each column all includes many Bridge is indulged to by the WELDING STUDS laid before backward in individual edge, and described WELDING STUDS is in vertically to laying and its bottom welding is fixed on described On wing plate;Two arrange described WELDING STUDS all pours in longitudinal cast-in-place concrete structure, and the overhead height of the two described WELDING STUDSs of row is equal The upper level of longitudinal cast-in-place concrete structure that identical and its overhead height is below.
Above-mentioned a kind of assembling steel plate composite beam bridge based on bolted steel reinforced concrete combined bridge deck, is characterized in that: per pass institute Before and after stating prefabricated bridge reinforcing bar, two ends all extend out to outside steel plate of the described end, two ends before and after described prefabricated bridge reinforcing bar Extending out to the sections outside steel plate of the described end is overhanging section of reinforcing bar, and the length that described reinforcing bar is overhanging section is not more than horizontal cast-in-place coagulation The half of soil structure width.
Above-mentioned a kind of assembling steel plate composite beam bridge based on bolted steel reinforced concrete combined bridge deck, is characterized in that: per pass institute State and be all attached with welding manner between adjacent two described steel girder segment before and after in steel girder.
This utility model compared with prior art has the advantage that
1, simple structure, reasonable in design and put into construction cost relatively low.
2, construction method step is simple, easy construction and speed of application fast, complete the prefabricated list of steel girder segment in factory in advance Unit is prefabricated with steel reinforced concrete combined bridge deck Slab element;At the construction field (site), it is only necessary to by steel reinforced concrete combined bridge deck Slab element by connecting spiral shell Bolt is fixed on steel girder segment prefabricated unit and horizontal cast-in-place concrete structure carries out pouring construction, then wears above steel girder If longitudinally connected reinforcing bar, and longitudinal cast-in-place concrete structure is poured.
3, the simple in construction of used steel reinforced concrete combined bridge deck Slab element, the course of processing reasonable in design, prefabricated be simple and stress Performance is good, and the bottom of steel reinforced concrete combined bridge deck Slab element is end steel plate, when being prefabricated in the factory, serves as the bed die of concreting;The end It is connected as entirety by perforate ribbed stiffener between steel plate and precast slab, forms steel reinforced concrete combined bridge deck.Steel reinforced concrete composite bridge Panel unit has bigger bending rigidity and bearing capacity, it is possible to meet double girder or the situation of few girder.
4, the cast-in-place position of longitudinal cast-in-place concrete structure is positioned at above the top flange of steel girder, can effectively reduce coagulation Soil formwork for placing;Further, longitudinally connected reinforcing bar is located on the left of beam on the right side of reinforcing structure or beam in reinforcing structure, can be effectively ensured Longitudinally connected reinforcing bar accurate positioning.
5, overhanging section of the ribbed stiffener of perforate ribbed stiffener is deep between adjacent two the steel reinforced concrete combined bridge deck Slab element in left and right Junction, overhanging section of ribbed stiffener is equipped with longitudinally connected reinforcing bar, and overhanging section of ribbed stiffener and longitudinally connected reinforcing bar all pour In longitudinal cast-in-place concrete structure so that the junction between adjacent two the steel reinforced concrete combined bridge deck Slab element in left and right and steel reinforced concrete group Close floorings unit and connect formation entirety, and common stress.
6, being attached steel girder and steel reinforced concrete combined bridge deck Slab element by connecting bolt, construction rapidly, and works as steel Mixed combined bridge deck Slab element occurs that being easy to secondary during disease changes.Meanwhile, use connecting bolt to be attached, steel can be effectively ensured Girder and the overall performance of steel reinforced concrete combined bridge deck Slab element.
7, by connecting bolt, steel reinforced concrete combined bridge deck Slab element is attached with steel girder, vertical bridge to by welding by front The most adjacent two steel reinforced concrete combined bridge deck Slab element are attached, and speed of application is fast, it is simple to the secondary of quick assembling and floorings is more Change, simplify the connecting structure between adjacent transverse floorings simultaneously, it is ensured that speed of application and construction quality.
8, practical value is high, and this assembling steel plate composite beam bridge simple in construction, reasonable in design and using effect good, stress is closed Reason, the application of steel reinforced concrete combined bridge deck Slab element adds bending rigidity and the bearing capacity of combination beam, it is adaptable to double girders or few The assembling steel plate composite beam bridge of girder.
In sum, this utility model simple in construction, reasonable in design, easy construction and using effect are good, mechanical property is excellent Good, installation and removal speed of application is fast, short construction period, and can effectively solve the problem that girder spacing is excessive.
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the A-A sectional view of Fig. 1.
Fig. 3 is the installation position schematic diagram of the horizontal cast-in-place concrete structure of this utility model.
Fig. 4 is the structural representation of this utility model steel reinforced concrete combined bridge deck Slab element.
Fig. 5 is the structural representation of this utility model steel girder segment prefabricated unit.
Method flow block diagram when Fig. 6 is to construct this utility model.
Description of reference numerals:
1 steel reinforced concrete combined bridge deck Slab element;1-1 horizontal base steel plate;1-2 transition steel plate bar;
1-3 steel plate connection strap;1-4 the first bolt mounting holes;
1-5 perforate ribbed stiffener;1-6 the first through hole;1-7 the second through hole;
1-8 prefabricated bridge reinforcing bar;1-9 precast slab;2 steel girder segment;
2-1 the second bolt mounting holes;3 WELDING STUDSs;4 connecting bolts;
5 longitudinally connected reinforcing bars;6 longitudinal cast-in-place concrete structures;
7 horizontal cast-in-place concrete structures.
Detailed description of the invention
As shown in Figure 1, Figure 2 and Figure 3, this utility model includes the steel girder group being all laid in same level by multiple tracks The girder supporting construction become and multiple steel reinforced concrete combined bridge deck plate segment being arranged on from front to back in described girder supporting construction are many Steel girder described in road is along indulging the bridge I-steel girder to laying, and steel girder described in per pass is spliced by multiple steel girder segment 2 Form, multiple described steel girder segment 2 along vertical bridge to being laid in from back to front in same level;Multiple described steel reinforced concrete combined bridge decks The structure of plate segment is the most identical and it is along indulging bridge to being laid in from back to front in same level;Each described steel reinforced concrete combined bridge deck Plate segment all includes multiple steel reinforced concrete combined bridge deck Slab element 1 being laid in from left to right in same level along direction across bridge, each The left and right sides of described steel reinforced concrete combined bridge deck Slab element 1 is supported on steel girder described in adjacent twice respectively;Steel described in per pass The surface of girder is laid with the longitudinal cast-in-place concrete structure 6 laid in level, left and right adjacent two described steel reinforced concretes combination All being attached by longitudinal cast-in-place concrete structure 6 between floorings unit 1, described longitudinal cast-in-place concrete structure 6 is along vertical Bridge is to laying and it is positioned at the surface of described steel girder;
As shown in Fig. 2, Fig. 4 and Fig. 5, described steel reinforced concrete combined bridge deck Slab element 1 includes end steel plate, is laid at steel of the described end Lateral stiffening structure on plate, many along direction across bridge from a left side to after be arranged in the prefabricated bridge steel in described lateral stiffening structure Muscle 1-8 and the precast slab 1-9 poured on steel plate of the described end, described lateral stiffening structure include multiple tracks along vertical bridge to from The perforate ribbed stiffener 1-5 being laid in before backward on steel plate of the described end, perforate ribbed stiffener 1-5 described in multiple tracks all lay along direction across bridge and It is all in same level, and perforate ribbed stiffener 1-5 described in multiple tracks and many described prefabricated bridge reinforcing bar 1-8 all pour in advance In concrete slab 1-9 processed;Described in multiple tracks, the structure of perforate ribbed stiffener 1-5 is the most identical with size, perforate ribbed stiffener 1-5 described in per pass Being one all in vertically to the elongate steel plate laid, the middle part of described elongate steel plate has multiple reinforcing bar from left to right and wears Hole;Steel plate of the described end includes that horizontal base steel plate 1-1 and two symmetries are laid in the steel plate of the horizontal base steel plate 1-1 left and right sides and connect Structure, described horizontal base steel plate 1-1 is rectangular steel plates, and each described steel sheet connection structure all includes by multiple connecting bolts 4 The steel plate connection strap 1-3 being fixed on described steel girder and the mistake being connected between horizontal base steel plate 1-1 and steel plate connection strap 1-3 Crossing steel plate strip 1-2, described steel plate connection strap 1-3 is that multiple the first spiral shell installed for connecting bolt 4 is laid and had on it to level Bolt installing hole 1-4, multiple described connecting bolts 4 along vertical bridge to laying from back to front, the height of described steel plate connection strap 1-3 Height less than horizontal base steel plate 1-1;Perforate ribbed stiffener 1-5 described in multiple tracks is all weldingly fixed on horizontal base steel plate 1-1, described Precast slab 1-9 is to be positioned at the Rectangular Concrete plate directly over horizontal base steel plate 1-1, prefabricated bridge reinforcing bar described in per pass 1-8 is passed by backward front described reinforced steel bar perforation from perforate ribbed stiffener 1-5 described in multiple tracks;
The upper flange left and right sides of steel girder described in per pass all has the second bolt installation that string is installed for connecting bolt 4 Hole 2-1, the second bolt mounting holes 2-1 described in each column all include that bridge is indulged to the described second bolt peace laid from back to front in multiple edge Dress hole 2-1;The upper flange of steel girder described in per pass forms the most cast-in-place with being laid in all steel sheet connection structures on this upper flange The forming panel of xoncrete structure 6;
By the horizontal cast-in-place concrete laid in level between the most adjacent two described steel reinforced concrete combined bridge deck Slab element 1 Structure 7 is attached, and described horizontal cast-in-place concrete structure 7 is laid along direction across bridge;Institute in described steel reinforced concrete combined bridge deck Slab element 1 Before and after stating end steel plate, two ends all extend out to outside precast slab 1-9, and before and after steel plate of the described end, two ends extend out to prefabricated Sections outside concrete slab 1-9 is overhanging section of steel plate;The prefabricated of the most adjacent two described steel reinforced concrete combined bridge deck Slab element 1 mixes Concrete board 1-9 and described steel reinforced concrete combined bridge deck plate segment form the forming panel of horizontal cast-in-place concrete structure 7;Each described horizontal stroke All pour with the longitudinal cast-in-place concrete structure 6 being positioned at both sides around to cast-in-place concrete structure 7 and be integrated;
Described precast slab 1-9, longitudinal cast-in-place concrete structure 6 and the upper surface of horizontal cast-in-place concrete structure 7 All flush.
In the present embodiment, with welding between the steel plate of the described end of the most adjacent two described steel reinforced concrete combined bridge deck Slab element 1 Mode is fixedly connected.
So, transverse weld is formed between the steel plate of the described end of the most adjacent two described steel reinforced concrete combined bridge deck Slab element 1 Seam.
In the present embodiment, described transition steel plate bar 1-2 is the inclined steel plate bar tilted the most gradually downward, described steel Plate connection strap 1-3 and transition steel plate bar 1-2 is rectangular bar of steel lath;Steel plate of the described end is formed by one piece of rectangular steel plates bending.
In the present embodiment, the two ends, left and right of described perforate ribbed stiffener 1-5 all extend out to outside precast slab 1-9, institute Stating the two ends, left and right of perforate ribbed stiffener 1-5 and extending out to the sections outside precast slab 1-9 is overhanging section of ribbed stiffener, described in add The half of a length of longitudinal cast-in-place concrete structure 6 width of overhanging section of strength rib.Thus, the position, outer end of overhanging section of described ribbed stiffener Surface in the longitudinal centre line of described steel girder.
Reliable for connecting, it is attached with welding manner between perforate ribbed stiffener 1-5 described in the adjacent twice in left and right.
In the present embodiment, be positioned on the left of precast slab 1-9 in described steel reinforced concrete combined bridge deck Slab element 1 all puts more energy into Putting more energy into group on the left of overhanging section of rib composition, be positioned on the right side of precast slab 1-9 in described steel reinforced concrete combined bridge deck Slab element 1 is all Put more energy into group on the right side of overhanging section of ribbed stiffener composition;Be positioned at along with all left sides above described steel girder put more energy on the left of group composition beam Reinforcing structure, be positioned at along with all right sides above described steel girder put more energy into reinforcing structure on the right side of group composition beam;Described beam is left The longitudinally connected reinforcing bar of multiple tracks 5 it is equipped with on reinforcing structure the most from left to right on the right side of side reinforcing structure and described beam, vertical described in multiple tracks All laying in level to connection reinforcing bar 5 and it is all laid in same level, described in per pass, longitudinally connected reinforcing bar 5 is by backward Before on the left of described beam the described steel on overhanging section of multiple described ribbed stiffener reinforcing structure on the right side of reinforcing structure or described beam Muscle perforation through;Described longitudinally connected reinforcing bar 5 pours in longitudinal cast-in-place concrete structure 6.
In the present embodiment, multiple described reinforced steel bar perforations are in uniformly laying;Perforate ribbed stiffener 1-5 described in per pass all includes middle part Ribbed stiffener sections and two symmetries are connected to overhanging section of the described ribbed stiffener of the ribbed stiffener sections left and right sides, described middle part, described in Described reinforced steel bar perforation on portion's ribbed stiffener sections is the first through hole 1-6 passed for prefabricated bridge reinforcing bar 1-8, described ribbed stiffener Described reinforced steel bar perforation on overhanging section is the second through hole 1-7 passed for longitudinally connected reinforcing bar 5.
As shown in Figure 2 and Figure 5, in the present embodiment, above the upper flange of steel girder described in per pass, the left and right sides is laid with String WELDING STUDS 3, the two described WELDING STUDSs 3 of row that each described upper flange is laid are respectively positioned on this upper flange the two row institutes offered State between the second bolt mounting holes 2-1;WELDING STUDS 3 described in each column all includes that bridge is indulged to by the WELDING STUDS laid before backward in multiple edge 3, described WELDING STUDS 3 is in being vertically fixed on described upper flange to laying and its bottom welding;Two arrange described WELDING STUDS 3 all pours In longitudinal cast-in-place concrete structure 6, two arrange that the overhead height of described WELDING STUDSs 3 is the most identical and that its overhead height is below is vertical Upper level to cast-in-place concrete structure 6.
During practice of construction, when steel girder segment 2 is processed, need to synchronize to be welded and fixed on the upper flange of steel girder segment 2 Two arrange described WELDING STUDS 3.Further, each described steel girder segment 2 and the two described WELDING STUDSs 3 of row being welded thereon form girder steel joint Section prefabricated unit.
In the present embodiment, before and after prefabricated bridge reinforcing bar 1-8 described in per pass, two ends all extend out to outside steel plate of the described end, Before and after described prefabricated bridge reinforcing bar 1-8, two ends extend out to the sections outside steel plate of the described end is overhanging section of reinforcing bar, described steel The length that muscle is overhanging section is not more than the half of horizontal cast-in-place concrete structure 7 width.
In the present embodiment, in steel girder described in per pass before and after between adjacent two described steel girder segment 2 all with welding manner It is attached.
During practice of construction, described longitudinally connected reinforcing bar 5 is anchored in longitudinal direction respectively for Reinforcement and its rear and front end The left and right sides of cast-in-place concrete structure 6.
In the present embodiment, described connecting bolt 4 is in vertically to laying.
Further, the screw rod that described connecting bolt 4 includes upper end band nut and the nut being arranged on described screw rod, described spiral shell Mother is positioned at below the upper flange of described steel girder.
As shown in Figure 6, when this utility model is constructed, comprise the following steps:
Step one, bridge bottom bracing structure are constructed: execute the bottom bracing structure of constructed steel plate composite beam bridge Work;
Described bottom bracing structure includes that bridge is indulged to by the support bridge pier laid before backward in multiple edge;
Step 2, steel main beam supporting are constructed: on the described bottom bracing structure constructed in step one, before backward Synchronize to carry out erection construction to steel girder described in multiple tracks, and complete described in adjacent twice the splicing between steel girder;
During practice of construction, the lateral connection beam laid along direction across bridge by multiple tracks between steel girder described in adjacent twice is carried out Be spliced into one, lateral connection beam described in multiple tracks along vertical bridge to by laying before backward, described lateral connection beam be horizontal girder steel and It is fixedly connected with welding manner between itself and described steel girder;
Step 3, steel reinforced concrete combined bridge deck plate segment are installed: divide multiple described steel reinforced concrete combined bridge deck plate segments before backward Not installing, process is as follows:
Step 301, first steel reinforced concrete combined bridge deck plate segment are installed: to position in multiple described steel reinforced concrete combined bridge deck plate segments A described steel reinforced concrete combined bridge deck plate segment in rear side is installed;
When current installed steel reinforced concrete combined bridge deck plate segment is installed, use hanging device by this steel reinforced concrete combined bridge deck All steel reinforced concrete combined bridge deck Slab element 1 in plate segment lift respectively and put in place, and by the left and right of each steel reinforced concrete combined bridge deck Slab element 1 Both sides are supported by multiple connecting bolts 4 respectively to be fixed on steel girder described in adjacent twice;
Step 302, next steel reinforced concrete combined bridge deck plate segment are installed: according to the method described in step 301, to the next one Described steel reinforced concrete combined bridge deck plate segment is installed;
Step 303, step 302 is repeated several times, until completing all steel reinforced concrete combined bridge decks of constructed steel plate composite beam bridge The installation process of plate segment;
Step 304, horizontal cast-in-place concrete structure pouring construction: in adjacent two described steel reinforced concrete combined bridge deck plate segments Horizontal cast-in-place concrete structure 7 between steel reinforced concrete combined bridge deck Slab element 1 carries out pouring construction respectively;
Step 4, longitudinally connected reinforcing bar wear: all steel reinforced concrete combined bridge decks of constructed steel plate composite beam bridge in step 3 After plate segment has been respectively mounted, all wear described in multiple tracks vertical on the left of all beams on the right side of reinforcing structure and all beams on reinforcing structure To connecting reinforcing bar 5;
Step 5, longitudinal cast-in-place concrete structure pouring construction: to the longitudinal cast-in-place concrete on steel girder described in per pass Structure 6 carries out pouring construction respectively.
Before practice of construction, first in processing factory to all steel reinforced concrete combined bridge deck lists needed for constructed steel plate composite beam bridge Unit 1 and all steel girder segment prefabricated units are processed respectively.
Wherein, carry out steel reinforced concrete combined bridge deck Slab element 1 prefabricated adding man-hour, first the described end steel plate of molding is being pre-machined On be welded and fixed perforate ribbed stiffener 1-5 described in multiple tracks, and at the described lateral stiffening being made up of perforate ribbed stiffener 1-5 described in multiple tracks Many described prefabricated bridge reinforcing bar 1-8 are worn, the most again casting concrete obtain prefabricated on steel plate of the described end in structure Concrete slab 1-9, completes the prefabricated course of processing of steel reinforced concrete combined bridge deck Slab element 1.
The above, be only preferred embodiment of the present utility model, not impose any restrictions this utility model, every Any simple modification, change and equivalent structure change above example made according to this utility model technical spirit, the most still Belong in the protection domain of technical solutions of the utility model.

Claims (9)

1. an assembling steel plate composite beam bridge based on bolted steel reinforced concrete combined bridge deck, it is characterised in that: include by multiple tracks The girder supporting construction of the steel girder composition being all laid in same level and multiple are arranged on described girder from front to back and prop up Steel reinforced concrete combined bridge deck plate segment on support structure, steel girder described in multiple tracks is along vertical bridge to the I-steel girder laid, per pass Described steel girder is spliced by multiple steel girder segment (2), and multiple described steel girder segment (2) are along indulging bridge to laying from back to front In same level;The structure of multiple described steel reinforced concrete combined bridge deck plate segments is the most identical and it is along indulging bridge to laying from back to front In same level;Each described steel reinforced concrete combined bridge deck plate segment all include multiple be laid in from left to right along direction across bridge same Steel reinforced concrete combined bridge deck Slab element (1) on horizontal plane, the left and right sides of each described steel reinforced concrete combined bridge deck Slab element (1) is respectively It is supported on steel girder described in adjacent twice;It is cast-in-place that the surface of steel girder described in per pass is laid with the longitudinal direction laid in level Xoncrete structure (6), is all tied by longitudinal cast-in-place concrete between adjacent two described steel reinforced concretes combined bridge deck Slab element (1) in left and right Structure (6) is attached, described longitudinal cast-in-place concrete structure (6) along vertical bridge to laying and it is positioned at just going up of described steel girder Side;
Described steel reinforced concrete combined bridge deck Slab element (1) includes end steel plate, be laid on steel plate of the described end lateral stiffening structure, many Along direction across bridge from a left side to after the prefabricated bridge reinforcing bar (1-8) that is arranged in described lateral stiffening structure and pouring in steel of the described end Precast slab (1-9) on plate, described lateral stiffening structure includes that multiple tracks is along indulging bridge to being laid in the described end from back to front Perforate ribbed stiffener (1-5) on steel plate, perforate ribbed stiffener (1-5) described in multiple tracks all lays along direction across bridge and it is all in same level On face, perforate ribbed stiffener (1-5) described in multiple tracks and many described prefabricated bridge reinforcing bars (1-8) all pour in precast slab (1-9) in;Described in multiple tracks, the structure of perforate ribbed stiffener (1-5) is the most identical with size, and described in per pass, perforate ribbed stiffener (1-5) is One all in vertically to the elongate steel plate laid, the middle part of described elongate steel plate has multiple reinforced steel bar perforation from left to right; Steel plate of the described end includes that horizontal base steel plate (1-1) and two symmetries are laid in the steel plate of horizontal base steel plate (1-1) left and right sides even Access node structure, described horizontal base steel plate (1-1) is rectangular steel plates, and each described steel sheet connection structure all includes by multiple connection spiral shells Steel plate connection strap (1-3) that bolt (4) is fixed on described steel girder and be connected to horizontal base steel plate (1-1) and steel plate connection strap (1-3) the transition steel plate bar (1-2) between, described steel plate connection strap (1-3) lays in level and has on it multiple for connecting The first bolt mounting holes (1-4) that bolt (4) is installed, multiple described connecting bolts (4) along vertical bridge to laying from back to front, The height of described steel plate connection strap (1-3) is less than the height of horizontal base steel plate (1-1);Perforate ribbed stiffener (1-5) described in multiple tracks is equal Being weldingly fixed on horizontal base steel plate (1-1), described precast slab (1-9) is for being positioned at directly over horizontal base steel plate (1-1) Rectangular Concrete plate, prefabricated bridge reinforcing bar (1-8) described in per pass by before backward from perforate ribbed stiffener (1-5) described in multiple tracks On described reinforced steel bar perforation pass;
The upper flange left and right sides of steel girder described in per pass all has the second bolt mounting holes that string is installed for connecting bolt (4) (2-1), the second bolt mounting holes (2-1) described in each column all includes that bridge is indulged to described second bolt laid from back to front in multiple edge Installing hole (2-1);The upper flange of steel girder described in per pass forms longitudinally with being laid in all steel sheet connection structures on this upper flange The forming panel of cast-in-place concrete structure (6);
Between the most adjacent two described steel reinforced concretes combined bridge deck Slab element (1), the horizontal cast-in-place concrete by laying in level is tied Structure (7) is attached, and described horizontal cast-in-place concrete structure (7) is laid along direction across bridge;Described steel reinforced concrete combined bridge deck Slab element (1) Described in before and after the end steel plate two ends all extend out to precast slab (1-9) outside, before and after steel plate of the described end, two ends are stretched out Sections to precast slab (1-9) outside is overhanging section of steel plate;The most adjacent two described steel reinforced concrete combined bridge deck Slab element (1) precast slab (1-9) and the molding of the described steel reinforced concrete combined bridge deck plate segment horizontal cast-in-place concrete structure of composition (7) Template;Each described horizontal cast-in-place concrete structure (7) is all watered with the longitudinal cast-in-place concrete structure (6) being positioned at both sides around Build and be integrated;
Described precast slab (1-9), longitudinal cast-in-place concrete structure (6) and the upper table of horizontal cast-in-place concrete structure (7) The equal flush in face.
2. according to a kind of based on bolted steel reinforced concrete combined bridge deck the assembling steel plate composite beam bridge described in claim 1, its It is characterised by: carry out with welding manner between the steel plate of the described end of the most adjacent two described steel reinforced concretes combined bridge deck Slab element (1) Fixing connection.
3. according to a kind of based on bolted steel reinforced concrete combined bridge deck the assembling steel plate composite beam bridge described in claim 1 or 2, It is characterized in that: described transition steel plate bar (1-2) is the inclined steel plate bar tilted the most gradually downward, described steel plate connects Bar (1-3) and transition steel plate bar (1-2) are rectangular bar of steel lath;Steel plate of the described end is formed by one piece of rectangular steel plates bending.
4. according to a kind of based on bolted steel reinforced concrete combined bridge deck the assembling steel plate composite beam bridge described in claim 1 or 2, It is characterized in that: the two ends, left and right of described perforate ribbed stiffener (1-5) all extend out to precast slab (1-9) outside, described in open The two ends, left and right of hole ribbed stiffener (1-5) extend out to precast slab (1-9) outside sections be overhanging section of ribbed stiffener, described in add The half of a length of longitudinal cast-in-place concrete structure (6) width of overhanging section of strength rib.
5. according to a kind of based on bolted steel reinforced concrete combined bridge deck the assembling steel plate composite beam bridge described in claim 4, its It is characterised by: all ribbed stiffeners being positioned at precast slab (1-9) left side in described steel reinforced concrete combined bridge deck Slab element (1) are overhanging Put more energy on the left of Duan Zucheng group, described steel reinforced concrete combined bridge deck Slab element (1) is positioned at all adding on precast slab (1-9) right side Put more energy into group on the right side of overhanging section of strength rib composition;Be positioned at along with all left sides above described steel girder put more energy into and add on the left of group composition beam Strength structure, be positioned at along with all right sides above described steel girder put more energy into reinforcing structure on the right side of group composition beam;On the left of described beam The longitudinally connected reinforcing bar of multiple tracks (5) it is equipped with on reinforcing structure the most from left to right on the right side of reinforcing structure and described beam, vertical described in multiple tracks To connect reinforcing bar (5) all in level lay and its be all laid in same level, longitudinally connected reinforcing bar (5) described in per pass by Before backward on the left of described beam the institute on overhanging section of multiple described ribbed stiffener reinforcing structure on the right side of reinforcing structure or described beam State reinforced steel bar perforation to pass;Described longitudinally connected reinforcing bar (5) pours in longitudinal cast-in-place concrete structure (6).
6. according to a kind of based on bolted steel reinforced concrete combined bridge deck the assembling steel plate composite beam bridge described in claim 5, its It is characterised by: multiple described reinforced steel bar perforations are in uniformly laying;Perforate ribbed stiffener (1-5) described in per pass all includes middle part ribbed stiffener joint Section is connected to overhanging section of the described ribbed stiffener of the ribbed stiffener sections left and right sides, described middle part with two symmetries, puts more energy in described middle part Described reinforced steel bar perforation on rib sections is the first through hole (1-6) passed for prefabricated bridge reinforcing bar (1-8), outside described ribbed stiffener Described reinforced steel bar perforation in the section of stretching is the second through hole (1-7) passed for longitudinally connected reinforcing bar (5).
7. according to a kind of based on bolted steel reinforced concrete combined bridge deck the assembling steel plate composite beam bridge described in claim 1 or 2, It is characterized in that: above the upper flange of steel girder described in per pass, the left and right sides is laid with string WELDING STUDS (3), each described on The two described WELDING STUDS of the row (3) laid on wing plate are respectively positioned on this upper flange the two described second bolt mounting holes (2-of row offered 1) between;WELDING STUDS described in each column (3) all includes that bridge is indulged to by the WELDING STUDS (3) laid before backward, described WELDING STUDS in multiple edge (3) in being vertically fixed on described upper flange to laying and its bottom welding;Two arrange described WELDING STUDS (3) all pours in the most existing In pouring concrete structure (6), two to arrange the longitudinal direction that the overhead height of described WELDING STUDS (3) is the most identical and its overhead height is below existing The upper level of pouring concrete structure (6).
8. according to a kind of based on bolted steel reinforced concrete combined bridge deck the assembling steel plate composite beam bridge described in claim 1 or 2, It is characterized in that: before and after prefabricated bridge reinforcing bar (1-8) described in per pass, two ends all extend out to outside steel plate of the described end, described pre- Before and after floorings reinforcing bar (1-8) processed, two ends extend out to the sections outside steel plate of the described end is overhanging section of reinforcing bar, outside described reinforcing bar The length of the section of stretching is not more than the half of horizontal cast-in-place concrete structure (7) width.
9. according to a kind of based on bolted steel reinforced concrete combined bridge deck the assembling steel plate composite beam bridge described in claim 1 or 2, It is characterized in that: all carry out even with welding manner between adjacent two described steel girder segment (2) before and after in steel girder described in per pass Connect.
CN201620761051.0U 2016-07-19 2016-07-19 A kind of assembling steel plate composite beam bridge based on bolted steel reinforced concrete combined bridge deck Expired - Fee Related CN205821975U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106149540A (en) * 2016-07-19 2016-11-23 长安大学 Assembling steel plate composite beam bridge and construction method thereof based on steel reinforced concrete combined bridge deck
CN106677068A (en) * 2016-12-26 2017-05-17 中铁十九局集团第工程有限公司 Construction method capable of preventing hollowing at box girder support plate
CN107386110A (en) * 2017-08-07 2017-11-24 张家港市兴鸿达基础有限公司 A kind of high intensity prefabricated components of crack resistence
CN107447676A (en) * 2017-09-21 2017-12-08 福州大学 The precast construction method of the steel and ultra-high performance concrete combination beam of steel ribs formula bridge floor

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106149540A (en) * 2016-07-19 2016-11-23 长安大学 Assembling steel plate composite beam bridge and construction method thereof based on steel reinforced concrete combined bridge deck
CN106677068A (en) * 2016-12-26 2017-05-17 中铁十九局集团第工程有限公司 Construction method capable of preventing hollowing at box girder support plate
CN107386110A (en) * 2017-08-07 2017-11-24 张家港市兴鸿达基础有限公司 A kind of high intensity prefabricated components of crack resistence
CN107447676A (en) * 2017-09-21 2017-12-08 福州大学 The precast construction method of the steel and ultra-high performance concrete combination beam of steel ribs formula bridge floor

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