CN107988904A - A kind of steel-ultra-high performance concrete combined bridge deck plate joint connecting structure and its construction method - Google Patents

A kind of steel-ultra-high performance concrete combined bridge deck plate joint connecting structure and its construction method Download PDF

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Publication number
CN107988904A
CN107988904A CN201610972438.5A CN201610972438A CN107988904A CN 107988904 A CN107988904 A CN 107988904A CN 201610972438 A CN201610972438 A CN 201610972438A CN 107988904 A CN107988904 A CN 107988904A
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China
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ultra
high performance
performance concrete
concrete layer
steel
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Inventor
谢尚英
李兴林
阳晓静
何畏
张锐
陈宁
黄燕
王聪
张姚
李俊诺
陈刚
肖礼经
杨亚兵
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Chengdu City Construction Science Inst
Guangdong Guansheng Civil Engineering Technology Co Ltd
Sichuan Southwest Jiaoda Civil Engineering Design Co ltd
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Chengdu City Construction Science Inst
Guangdong Guansheng Civil Engineering Technology Co Ltd
Sichuan Southwest Jiaoda Civil Engineering Design Co ltd
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Priority to CN201610972438.5A priority Critical patent/CN107988904A/en
Publication of CN107988904A publication Critical patent/CN107988904A/en
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    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00Structural or constructional details of bridges
    • E01D19/12Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
    • E01D19/125Grating or flooring for bridges
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D21/00Methods or apparatus specially adapted for erecting or assembling bridges

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Bridges Or Land Bridges (AREA)

Abstract

A kind of steel and ultra-high performance concrete combined bridge deck plate joint connecting structure and its construction method, effectively to strengthen the switching performance between the ultra-high performance concrete poured by several times, reduce seam crossing stress level, and improve the tensile strength of seam crossing.Steel bridge deck, shear connector, stiffener net are included in structure, pour ultra-high performance concrete layer by several times to be located on steel bridge deck and bury shear connector, stiffener net in the inner, the top surface for pouring ultra-high performance concrete layer by several times is laid with road pavement layer.The seam crossing that the gradation pours ultra-high performance concrete layer sets the continuous Ω shapes welded with steel bridge deck top surface to strengthen steel plate, and continuous Ω shapes reinforcement steel plate pours ultra-high performance concrete layer by gradation and covered.It is the Ω shape projective table type structures that several opposite top surfaces are inclined-plane of interlocking in central axes or so that the continuous Ω shapes, which strengthen steel plate, and two bases of Ω shape projective table type structures are staggered with the base of adjacent Ω shape projective table type structures and are connected relatively.The continuous Ω shapes are strengthened setting the WELDING STUDS with steel bridge deck welding in the space that steel plate is surrounded.

Description

A kind of steel-ultra-high performance concrete combined bridge deck plate joint connecting structure and its construction Method
Technical field
The invention belongs to bridge structure technical field of buildings, and in particular to a kind of steel-ultra-high performance concrete combined bridge deck Plate joint connecting structure and its construction method.
Background technology
Existing steel-concrete combined bridge concrete slab and its pave-load layer has monoblock type cast-in-place or prefabrication and assembly construction Form of construction work, as shown in Figure 1, after the completion of bridge construction, formed with cast-in-place concrete layer 1 with mating formation on steel bridge deck layer 5 Layer 4, has stiffener net 2 and WELDING STUDS 5 in cast-in-place concrete layer 1.
When constructing concrete slab, the problem of floorings globality can be brought using the form of construction work of prefabrication and assembly construction, And the connecting structure mode of seam is more complicated.And use monoblock type it is cast-in-place make floorings due to bridge floor wide cut and span compared with Big the problems such as also having caused floorings globality, continuity when segmentation pours, while large area cast-in-place concrete is foster It is larger to protect difficulty.
However, with this new material of ultra-high performance concrete promoting the use in science of bridge building, occur in recent years The light-duty combined bridge structure of steel-ultra-high performance concrete.This structure has, floorings small compared with conventional combination structural bridge of conducting oneself with dignity The characteristics of tensile strength is big.But can equally be run into when pouring ultra-high performance concrete floorings for reduce construction and maintenance difficulty and Seam crossing problem caused by mode is poured using bridge floor framing.At this time, the bridge that should be connected by the fiber being distributed in a jumble Panel " is blocked ", greatly reduces the continuity of the bonding strength and floorings at this, so that the seam under action of pulling stress Easily there is crack or local damage in place, makes the durability of bridge be difficult to meet design life requirement.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of steel-ultra-high performance concrete combined bridge deck plate seam connection Construction, effectively to strengthen the switching performance between the ultra-high performance concrete poured by several times, reduces seam crossing stress level, and carry The tensile strength of high seam crossing.
It is as follows that the present invention solves the technical solution that above-mentioned technical problem is taken:
A kind of steel-ultra-high performance concrete combined bridge deck plate joint connecting structure of the present invention, including steel bridge deck, shearing resistance Connector, stiffener net, pour by several times ultra-high performance concrete layer be located on steel bridge deck and by shear connector, strengthen steel Muscle net is buried in the inner, and the top surface for pouring ultra-high performance concrete layer by several times is laid with road pavement layer, it is characterized in that:The gradation The seam crossing for pouring ultra-high performance concrete layer sets the continuous Ω shapes with the welding of steel bridge deck top surface to strengthen steel plate, continuous Ω shapes Strengthen steel plate to be covered to pour ultra-high performance concrete layer by several times;It is to be handed in central axes or so that the continuous Ω shapes, which strengthen steel plate, Several top surfaces of misphase pair are the Ω shape projective table type structures on inclined-plane, two bases of Ω shape projective table type structures and adjacent Ω shapes The base of projective table type structure is staggered and opposite connection;The continuous Ω shapes strengthen setting in the space that steel plate is surrounded and Steel Bridge Deck The WELDING STUDS of plate welding.
The present invention has another technical problem to be solved to be to provide a kind of a kind of above-mentioned steel-ultra-high performance concrete composite bridge The construction method of slab joint connecting structure, this method comprises the following steps:
1. continuous Ω shapes strengthen steel plate and corresponding shearing together before first of seam is in the welding of steel bridge deck top surface Nail;
2. be laid with first pour ultra-high performance concrete layer and after pour stiffener net in the range of ultra-high performance concrete layer simultaneously It is welded as overall skeleton;
Ultra-high performance concrete layer is first poured 3. pouring ultra-high performance concrete on steel bridge deck and being formed, first pours very-high performance Concrete layer covers the surface area of its half along the central axes that preceding Ω shapes continuous together strengthen steel plate;
4. along ultra-high performance concrete layer longitudinally to lower one of seam crossing after the welding of steel bridge deck top surface it is continuous together Ω shapes strengthen steel plate and corresponding WELDING STUDS;
5. it is laid with the stiffener net poured after next piece in the range of ultra-high performance concrete layer and adds with what is be formerly laid with Strong bar-mat reinforcement is welded as overall skeleton;
6. poured in steel bridge deck after ultra-high performance concrete forms previous piece and pour ultra-high performance concrete layer, after pour superelevation Continuously Ω shapes strengthen the surface area of steel plate half together after performance concrete layer is covered along central axes, and cover preceding continuous Ω together The other half surface area of shape reinforcement steel plate;
4., 5., 6. to pouring ultra-high performance concrete layer by several times 7. repeating above step all pours completion.
The present invention has another technical problem to be solved to be to provide a kind of a kind of above-mentioned steel-ultra-high performance concrete composite bridge The construction method of slab joint connecting structure, this method comprises the following steps:
1. continuous Ω shapes strengthen steel plate and corresponding shearing together before first of seam is in the welding of steel bridge deck top surface Nail;
2. be laid with first pour ultra-high performance concrete layer and after pour stiffener net in the range of ultra-high performance concrete layer simultaneously It is welded as overall skeleton;
Ultra-high performance concrete layer is first poured 3. pouring ultra-high performance concrete on steel bridge deck and being formed, first pours very-high performance Concrete layer covers to preceding Ω shapes continuous together the outside for strengthening steel plate;
4. along ultra-high performance concrete layer longitudinally to lower one of seam crossing after the welding of steel bridge deck top surface it is continuous together Ω shapes strengthen steel plate and corresponding WELDING STUDS;
5. it is laid with the stiffener net poured after next piece in the range of ultra-high performance concrete layer and adds with what is be formerly laid with Strong bar-mat reinforcement is welded as overall skeleton;
6. poured in steel bridge deck after ultra-high performance concrete forms previous piece and pour ultra-high performance concrete layer, after pour superelevation Outer side covers to the rear Ω shapes continuous together that performance concrete layer is strengthened steel plate by preceding Ω shapes continuous together are strengthened on the outside of steel plate;
7. irrigate joint filling in preceding one of seam crossing with ultra-high performance concrete, make first to pour ultra-high performance concrete layer and after pour Ultra-high performance concrete layer forms continuous entirety.
8. repeat above step 4., 5., 6., 7. to pour by several times ultra-high performance concrete layer (1) all pour completion.
The invention has the advantages that continuous Ω shapes are set to strengthen in the seam crossing for pouring ultra-high performance concrete layer by several times Steel plate and WELDING STUDS, continuous Ω shapes strengthen the projective table type structure and the mutual mechanical snap power of ultra-high performance concrete layer of steel plate Strengthen the inclined top face and the mutual frictional force of ultra-high performance concrete layer of steel plate projective table type structure with continuous Ω shapes, enhance by several times Switching performance between the ultra-high performance concrete poured, at tooth mouth the transition of camber line reduce seam crossing stress level, carry The tensile strength of high seam crossing;The generation in seam crossing crack is can effectively prevent, it is excellent to have that durability is good, anti-fatigue performance is good etc. Point, while the frequent maintenance of seam can be reduced;Steel-concrete combined structure is can be applied to, can also be applied to orthotropic plate Face structure, in wide cut, greatly across the value that its application is respectively provided with steel bridge.
Brief description of the drawings
The attached drawing for forming a part for this explanation is used for providing a further understanding of the present invention, schematic reality of the invention Apply example and its explanation is used to explain the present invention, do not form inappropriate limitation of the present invention.
This specification includes following seven width attached drawing:
Fig. 1 is conventional orthorhombic opposite sex steel box-girder integral rigidity bridge floor vertical section structure schematic diagram in the prior art;
Fig. 2 is that a kind of vertical view of steel-ultra-high performance concrete combined bridge deck plate joint connecting structure seam crossing of the present invention is shown It is intended to (not pouring state during ultra-high performance concrete);
Fig. 3 is a kind of steel -1 seam crossing of ultra-high performance concrete combined bridge deck plate joint connecting structure embodiment of the present invention Schematic top plan view;
Fig. 4 is the schematic cross-sectional view of A-A lines along Fig. 3;
Fig. 5 is a kind of steel -2 seam crossing of ultra-high performance concrete combined bridge deck plate joint connecting structure embodiment of the present invention Schematic top plan view;
Fig. 6 is along B-B line schematic cross-sectional views in Fig. 5;
Fig. 7 is that continuous Ω shapes are strengthened in a kind of steel-ultra-high performance concrete combined bridge deck plate joint connecting structure of the present invention The schematic three dimensional views of steel plate segment.
Component name and corresponding mark are shown in figure:Pour ultra-high performance concrete layer 1 by several times, stiffener net 2, Seam crossing 3, road pavement layer 4, WELDING STUDS 5, steel bridge deck 6, ribbed stiffener 7, continuous Ω shapes strengthen steel plate 8, and seam crossing 9, is first poured Ultra-high performance concrete layer 12, after pour ultra-high performance concrete layer 13, ultra-high performance concrete 14.
Embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be limited according to claim Fixed and covering multitude of different ways is implemented.
Reference Fig. 2 to Fig. 4, a kind of steel of the invention-ultra-high performance concrete combined bridge deck plate joint connecting structure, including Steel bridge deck 6, shear connector, stiffener net 2, pour ultra-high performance concrete layer 1 and are located on steel bridge deck 6 and incite somebody to action by several times Shear connector, stiffener net 2 are embedded in the inner, and the top surface for pouring ultra-high performance concrete layer 1 by several times is laid with paving Layer 4.The seam crossing 9 that the gradation pours ultra-high performance concrete layer 1 sets the continuous Ω shapes with the welding of 6 top surface of steel bridge deck to add Strong steel plate 8, continuous Ω shapes are strengthened steel plate 8 and are covered to pour ultra-high performance concrete layer 1 by several times.
With reference to Fig. 7, it is inclined-plane that the continuous Ω shapes, which strengthen steel plate 8 as several the opposite top surfaces that interlock in central axes or so, Ω shape projective table type structures, the base of two bases of Ω shape projective table type structures and adjacent Ω shape projective table type structures is staggered and phase To connection.The continuous Ω shapes are strengthened setting the WELDING STUDS 5 welded with steel bridge deck 6, WELDING STUDS in the space that steel plate 8 is surrounded 5 participate in structure stress with ultra-high performance concrete layer, improve the rigidity of structure.
Due to continuous Ω shapes, to strengthen the projective table type structure of steel plate 8 mutual with pouring ultra-high performance concrete layer 1 by several times Mechanical snap power, and continuous Ω shapes strengthen the inclined top face of 8 projective table type structure of steel plate and gradation pours 1 phase of ultra-high performance concrete layer Frictional force between mutually, enhances the switching performance poured by several times between ultra-high performance concrete layer 1, the transition drop of camber line at tooth mouth Low seam crossing stress level, improves the tensile strength of seam crossing.The generation in seam crossing crack is can effectively prevent, there is durability Well, the advantages that anti-fatigue performance is good, while the frequent maintenance of seam can be reduced.
With reference to Fig. 3 and Fig. 4, the gradation pours 9 center line of seam crossing of ultra-high performance concrete layer 1 and continuous Ω shapes add The central axes of strong steel plate 8 are located on same vertical plane.With reference to Fig. 5 and Fig. 6, the gradation pours ultra-high performance concrete layer 1 9 center line of seam crossing or the edge line extension for strengthening steel plate 8 along continuous Ω shapes.
With reference to Fig. 3 to Fig. 6, the very-high performance that first pours that the gradation pours ultra-high performance concrete layer 1 and includes being connected to each other mixes Solidifying soil layer 12, after pour ultra-high performance concrete layer 13, first pour ultra-high performance concrete layer 12 and after pour ultra-high performance concrete layer The stiffener net 2 set in 13 completes butt welding by way of overlap joint, and in the ultra-high performance concrete poured by several times Layer seam crossing 9 continuously leads to --- to increase bonding strength..
The gradation pours ultra-high performance concrete layer 1 by least one of Reactive Powder Concrete or fiber concrete Pour and form.
With reference to Fig. 2, Fig. 3 and Fig. 4, a kind of steel-ultra-high performance concrete combined bridge deck plate joint connecting structure of the invention Construction method, comprises the following steps:
1. continuous Ω shapes are strengthened steel plate 8 and are cut accordingly together before the welding of 6 top surface of steel bridge deck in first of seam crossing 9 Power nail 5;
2. be laid with first pour ultra-high performance concrete layer 12 and after pour stiffener in the range of ultra-high performance concrete layer 13 Net 2 is simultaneously welded as overall skeleton;
Ultra-high performance concrete layer 12 is first poured 3. pouring ultra-high performance concrete on steel bridge deck 6 and being formed, first pours superelevation Performance concrete layer 12 covers the surface area of its half along the central axes that preceding Ω shapes continuous together strengthen steel plate 8;
4. along ultra-high performance concrete layer 1 longitudinally to lower one of seam crossing 9 in 6 top surface of steel bridge deck welding after connect together Continuous Ω shapes strengthen steel plate 8 and corresponding WELDING STUDS 5;
5. it is laid with the stiffener net 2 poured after next piece in the range of ultra-high performance concrete layer 13 and adds with what is be formerly laid with Strong bar-mat reinforcement 2 is welded as overall skeleton;
6. poured in steel bridge deck 6 after ultra-high performance concrete forms previous piece and pour ultra-high performance concrete layer 13, after pour Continuously Ω shapes strengthen the surface area of 8 half of steel plate together after ultra-high performance concrete layer 13 is covered along central axes, and cover previous The other half surface area of the continuous Ω shapes reinforcement steel plate 8 in road;
4., 5., 6. to pouring ultra-high performance concrete layer 1 by several times 7. repeating above step all pours completion.
After the intensity of ultra-high performance concrete layer 1 reaches design requirement, on the top overlay road of ultra-high performance concrete 1 Face pave-load layer 4 and it is carried out maintenance reach to be formed road surface requirement, complete the construction of combined bridge deck structure.
With reference to Fig. 2, Fig. 5 and Fig. 6, a kind of steel-ultra-high performance concrete combined bridge deck plate joint connecting structure of the invention Construction method, comprises the following steps:
1. continuous Ω shapes are strengthened steel plate 8 and are cut accordingly together before the welding of 6 top surface of steel bridge deck in first of seam crossing 9 Power nail 5;
2. be laid with first pour ultra-high performance concrete layer 12 and after pour stiffener in the range of ultra-high performance concrete layer 13 Net 2 is simultaneously welded as overall skeleton;
Ultra-high performance concrete layer 12 is first poured 3. pouring ultra-high performance concrete on steel bridge deck 6 and being formed, first pours superelevation Performance concrete layer 12 covers to preceding Ω shapes continuous together the outside for strengthening steel plate 8;
4. along ultra-high performance concrete layer 1 longitudinally to lower one of seam crossing 9 in 6 top surface of steel bridge deck welding after connect together Continuous Ω shapes strengthen steel plate 8 and corresponding WELDING STUDS 5;
Stiffener net 2 in the range of ultra-high performance concrete layer 13 is poured after next piece and with being formerly laid with 5. being laid with Stiffener net 2 is welded as overall skeleton;
6. poured in steel bridge deck 6 after ultra-high performance concrete forms previous piece and pour ultra-high performance concrete layer 13, after pour Outer side covers to the rear Ω shapes continuous together that ultra-high performance concrete layer 13 is strengthened steel plate 8 by preceding Ω shapes continuous together strengthen steel plate 8 outsides;
7. irrigating joint filling in preceding one of seam crossing 9 with ultra-high performance concrete 14, make first to pour ultra-high performance concrete layer 12 Ultra-high performance concrete layer (13) is poured with after and forms continuous entirety.
4., 5., 6., 7. to pouring ultra-high performance concrete layer 1 by several times 8. repeating above step all pours completion.
After the intensity of ultra-high performance concrete layer 1 reaches design requirement, on the top overlay road of ultra-high performance concrete 1 Face pave-load layer 4 and it is carried out maintenance reach to be formed road surface requirement, complete the construction of combined bridge deck structure.
The above is a kind of steel of the present invention-ultra-high performance concrete combined bridge deck plate seam connection structure that explains through diagrams Make and its some principles of construction method, be not intended to by the present invention be confined to shown in and the concrete structure and the scope of application It is interior, therefore every corresponding modification for being possible to be utilized and equivalent, belong to the apllied the scope of the claims of the present invention.

Claims (6)

1. a kind of steel-ultra-high performance concrete combined bridge deck plate joint connecting structure, including steel bridge deck (6), shear connector, Stiffener net (2), pour by several times ultra-high performance concrete layer (1) be located on steel bridge deck (6) and by shear connector, strengthen Bar-mat reinforcement (2) is embedded in the inner, and the top surface for pouring ultra-high performance concrete layer (1) by several times is laid with road pavement layer (4), its feature It is:The gradation pour ultra-high performance concrete layer (1) seam crossing (9) set with steel bridge deck (6) top surface weld it is continuous Ω shapes strengthen steel plate (8), and continuous Ω shapes are strengthened steel plate (8) and covered to pour ultra-high performance concrete layer (1) by several times;The company Continuous Ω shapes strengthen steel plate (8) as the Ω shape projective table type structures that several opposite top surfaces are inclined-plane of interlocking in central axes or so, Ω Stagger with the base of adjacent Ω shape projective table type structures and be connected relatively in two bases of shape projective table type structure;The continuous Ω shapes Strengthen setting the WELDING STUDS (5) with steel bridge deck (6) welding in the space that steel plate (8) is surrounded.
2. a kind of steel-ultra-high performance concrete combined bridge deck plate joint connecting structure as claimed in claim 1, it is characterized in that:Institute State the central axes position of seam crossing (9) center line with continuous Ω shapes reinforcement steel plate (8) that pour ultra-high performance concrete layer (1) by several times In the edge line extension on same vertical plane, or along continuous Ω shapes reinforcement steel plate (8).
3. a kind of steel-ultra-high performance concrete combined bridge deck plate joint connecting structure as claimed in claim 1, it is characterized in that:Institute State by several times pour ultra-high performance concrete layer (1) include be connected to each other first pour ultra-high performance concrete layer (12), after pour superelevation Can concrete layer (13), first pour ultra-high performance concrete layer (12) and after pour the reinforcement of setting in ultra-high performance concrete layer (13) Bar-mat reinforcement (2) completes butt welding by way of overlap joint, and in the ultra-high performance concrete layer seam crossing (9) poured by several times even It is continuous to pass through.
4. a kind of steel-ultra-high performance concrete combined bridge deck plate joint connecting structure as claimed in claim 1, it is characterized in that:Institute State pour by several times ultra-high performance concrete layer (1) poured by least one of Reactive Powder Concrete or fiber concrete and Into.
5. a kind of steel-ultra-high performance concrete combined bridge deck plate joint connecting structure as described in claim 1-5 any one Construction method, comprises the following steps:
1. continuous Ω shapes strengthen steel plate (8) and accordingly together before the welding of steel bridge deck (6) top surface in first of seam crossing (9) WELDING STUDS (5);
2. be laid with first pour ultra-high performance concrete layer (12) and after pour stiffener in the range of ultra-high performance concrete layer (13) Net (2) is simultaneously welded as overall skeleton;
Ultra-high performance concrete layer (12) is first poured 3. pouring ultra-high performance concrete on steel bridge deck (6) and being formed, first pours superelevation Performance concrete layer (12) covers the surface area of its half along the central axes that preceding Ω shapes continuous together strengthen steel plate (8);
4. along ultra-high performance concrete layer (1) longitudinally to lower one of seam crossing (9) in steel bridge deck (6) top surface welding after together Continuous Ω shapes strengthen steel plate (8) and corresponding WELDING STUDS (5);
5. it is laid with the stiffener net (2) poured after next piece in the range of ultra-high performance concrete layer (13) and adds with what is be formerly laid with Strong bar-mat reinforcement (2) is welded as overall skeleton;
6. poured in steel bridge deck (6) and ultra-high performance concrete layer (13) poured after ultra-high performance concrete forms previous piece, after pour Continuously Ω shapes strengthen the surface area of steel plate (8) half together after ultra-high performance concrete layer (13) is covered along central axes, and cover Preceding Ω shapes continuous together strengthen steel plate (8) the other half surface area;
7. repeat above step 4., 5., 6. to pour by several times ultra-high performance concrete layer (1) all pour completion.
6. a kind of steel-ultra-high performance concrete combined bridge deck plate joint connecting structure as described in claim 1-5 any one Construction method, comprises the following steps:
1. continuous Ω shapes strengthen steel plate (8) and accordingly together before the welding of steel bridge deck (6) top surface in first of seam crossing (9) WELDING STUDS (5);
2. be laid with first pour ultra-high performance concrete layer (12) and after pour stiffener in the range of ultra-high performance concrete layer (13) Net (2) is simultaneously welded as overall skeleton;
Ultra-high performance concrete layer (12) is first poured 3. pouring ultra-high performance concrete on steel bridge deck (6) and being formed, first pours superelevation The outside of steel plate (8) is strengthened in performance concrete layer (12) covering to preceding Ω shapes continuous together;
4. along ultra-high performance concrete layer (1) longitudinally to lower one of seam crossing (9) in steel bridge deck (6) top surface welding after together Continuous Ω shapes strengthen steel plate (8) and corresponding WELDING STUDS (5);
Stiffener net (2) in the range of ultra-high performance concrete layer (13) is poured after next piece and with being formerly laid with 5. being laid with Stiffener net (2) is welded as overall skeleton;
6. poured in steel bridge deck (6) and ultra-high performance concrete layer (13) poured after ultra-high performance concrete forms previous piece, after pour Outer side covers to the rear Ω shapes continuous together that ultra-high performance concrete layer (13) is strengthened steel plate (8) by preceding Ω shapes continuous together are strengthened On the outside of steel plate (8);
7. irrigating joint filling in preceding one of seam crossing (9) with ultra-high performance concrete (14), make first to pour ultra-high performance concrete layer (12) and after pour ultra-high performance concrete layer (13) formed it is continuous overall.
8. repeat above step 4., 5., 6., 7. to pour by several times ultra-high performance concrete layer (1) all pour completion.
CN201610972438.5A 2016-10-27 2016-10-27 A kind of steel-ultra-high performance concrete combined bridge deck plate joint connecting structure and its construction method Pending CN107988904A (en)

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CN109457607A (en) * 2018-12-03 2019-03-12 中南安全环境技术研究院股份有限公司 Steel-ultra-high performance concrete combined bridge deck is mated formation seam construction and construction method
CN109610313A (en) * 2018-12-26 2019-04-12 湖南大学 A kind of fashioned iron-UHPC compoboard longitudinal rib interlaced arrangement construction and its construction method
CN113756453A (en) * 2021-08-30 2021-12-07 中交一公局集团有限公司 Joint structure, building body and joint structure construction method
CN113789882A (en) * 2021-08-30 2021-12-14 中交一公局集团有限公司 Construction member structure, construction member assembly and construction method thereof

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Application publication date: 20180504