CN110565529B - Sound barrier basis and case roof beam integration template of pouring - Google Patents
Sound barrier basis and case roof beam integration template of pouring Download PDFInfo
- Publication number
- CN110565529B CN110565529B CN201910793725.3A CN201910793725A CN110565529B CN 110565529 B CN110565529 B CN 110565529B CN 201910793725 A CN201910793725 A CN 201910793725A CN 110565529 B CN110565529 B CN 110565529B
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- sound barrier
- template
- foundation
- angle steel
- barrier foundation
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
- E01D2/04—Bridges characterised by the cross-section of their bearing spanning structure of the box-girder type
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F8/00—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic
- E01F8/0005—Arrangements for absorbing or reflecting air-transmitted noise from road or railway traffic used in a wall type arrangement
- E01F8/0023—Details, e.g. foundations
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2101/00—Material constitution of bridges
- E01D2101/20—Concrete, stone or stone-like material
- E01D2101/24—Concrete
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a sound barrier foundation and box girder integrated pouring template, wherein an outer side template of the sound barrier foundation is formed by integrally extending and heightening an outer side template of the box girder upwards, an inner side template of the sound barrier foundation adopts rectangular steel plates with the same length as the outer side template of the sound barrier foundation, the outer side template of the sound barrier foundation and the inner side template of the sound barrier foundation are connected by a plurality of n-shaped connecting members arranged at equal intervals along the length direction, the n-shaped connecting members are formed by splicing oppositely arranged two strip-shaped angle steels after top surface superposition and combining bolts, the vertical surface of one strip-shaped angle steel is welded with the outer vertical surface of the outer side template of the sound barrier foundation, and the vertical surface of the other strip-shaped angle steel is welded with the outer vertical surface of. The grinding process of the outer side of the sound barrier foundation is omitted, overhead edge-facing operation is reduced, and safety risks are reduced; the number of times of template installation and concrete pouring is reduced, the construction time is saved, the labor input is reduced, and the operation efficiency and the engineering benefit are improved.
Description
Technical Field
The invention belongs to the technical field of bridge construction, and particularly relates to an integrated pouring template for a sound barrier foundation and a box girder.
Background
The sound barrier is widely used in municipal traffic facilities such as urban rail transit, highway and the like, can absorb sound and reduce noise, and reduces the influence of traffic noise on urban areas.
Taking a bridge as an example, the technology widely adopted at present is to bond reinforcing steel bars on the flange of a box girder after the box girder is poured and is condensed and hardened to reach a certain strength, install a sound barrier foundation template and pour a sound barrier foundation. The method has two main defects, namely, cement paste blocks are easily formed on the outer vertical face at the joint of the sound barrier foundation and the box girder due to template slurry leakage, and the safety risk of high-altitude edge-facing operation exists when the cement paste blocks on the outer vertical face are polished at the later stage; and secondly, the construction of the sound barrier foundation needs to be carried out after the construction of the box girder is finished, so that the construction procedures and the construction period are increased, the investment of time and labor is increased, and the engineering cost is increased.
Disclosure of Invention
The invention aims to save the outer side polishing process of the sound barrier foundation, reduce overhead edge-facing operation and reduce safety risks, and can reduce the times of template installation and concrete pouring, save construction time, reduce labor input and improve the operation efficiency and engineering benefits.
Therefore, the technical scheme adopted by the invention is as follows: an integral pouring template for a sound barrier foundation and a box girder comprises an outer side template of the sound barrier foundation and an inner side template of the sound barrier foundation, the outer side template of the sound barrier foundation is formed by integrally extending and heightening the outer side template of the box girder upwards, the inner side template of the sound barrier foundation adopts a rectangular steel plate with the same length as the outer side template of the sound barrier foundation, the inner side template of the sound barrier foundation and the outer side template of the sound barrier foundation are arranged in parallel, the outer side template of the sound barrier foundation and the inner side template of the sound barrier foundation are connected by a plurality of n-shaped connecting members which are arranged at equal intervals along the length direction, the n-shaped connecting member is formed by splicing two oppositely arranged strip-shaped angle steels through top surface superposition and then combining bolts, the vertical surface of one strip-shaped angle steel is welded with the outer vertical surface of the outer side template of the sound barrier foundation, and the vertical surface of the other strip-shaped angle steel is welded with the outer vertical surface of the inner side template of the sound barrier foundation.
Preferably, the stiffening member is welded on the inner side formwork of the sound barrier foundation, the stiffening member is an angle steel plate which is equal to the inner side formwork of the sound barrier foundation, the vertical surface of the angle steel plate is welded with the outer vertical surface of the inner side formwork of the sound barrier foundation, and the top of the angle steel plate is welded with the bottom surface of the strip-shaped angle steel on the corresponding side. The stiffening member plays the effect of reinforcing sound barrier foundation inboard template rigidity, welds with the inboard template of sound barrier foundation, the bar angle steel of corresponding side simultaneously, and the installation is firm reliable.
Further preferably, the top surface of bar angle steel is provided with at least three bolt via holes that set up along inside and outside direction equidistance interval, and every II type connecting elements is formed by at least two bolt concatenations to realize the adjustable installation of sound barrier basis outside template and sound barrier basis inboard template interval. The bolt via holes of selecting different splices, the connection width of adjustable II type connecting elements changes the outer template interval in the sound barrier basis to satisfy the requirement of pouring on the sound barrier basis of different design width, improve the commonality.
The invention has the beneficial effects that:
(1) the method has the advantages that the sound barrier foundation and the box girder can be integrally poured, and the steel bars are bound to install the sound barrier foundation template after the pouring of the box girder reaches a certain strength, so that the construction operation steps are simplified, the operation efficiency is improved, the construction operation period is shortened, and the economic benefit of the engineering is improved;
(2) the outer side template of the sound barrier foundation is formed by integrally extending and heightening the outer side template of the box girder upwards, so that the quality defect of the joint between the sound barrier foundation template and the box girder caused by slurry leakage of the template can be reduced and even avoided, and the attractiveness of the outer vertical surface of the bridge and the durability of the structure are improved;
(3) the traditional process for installing the sound barrier foundation formwork, particularly installing the outer side formwork of the sound barrier foundation and polishing the cement paste block of the outer vertical surface has the safety risk of high-altitude edge-facing operation, and the operation safety is high.
(4) The pouring height of the sound barrier foundation is usually about 30cm, the weight of the corresponding inner side template is small, the stress of the n-shaped connecting members is not large, the n-shaped connecting members are formed by overlapping two oppositely-arranged bar-shaped angle steels through top surfaces and then splicing the bar-shaped angle steels with bolts, the sound barrier foundation is poured between the adjacent n-shaped connecting members, the n-shaped connecting members are used for connecting the inner side template and the outer side template of the sound barrier foundation, the inner side template of the sound barrier foundation is quickly installed and detached, and then the quick formwork erection and demolding are realized; meanwhile, the dead weight of the inner side template and the lateral extrusion force of the concrete to the inner side template of the sound barrier foundation can be transmitted to the outer side template of the sound barrier foundation, and the structural design is very ingenious.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a left side view of fig. 1.
Fig. 3 is a top view of fig. 1.
Detailed Description
The invention will be further illustrated by the following examples in conjunction with the accompanying drawings:
referring to fig. 1 to 3, the sound barrier foundation and box girder integrated pouring template mainly comprises a sound barrier foundation outer side template 1, a sound barrier foundation inner side template 2 and an n-shaped connecting member 3.
The outer side template 1 of the sound barrier foundation is formed by integrally extending and heightening the outer side template of the box girder upwards, the inner side template 2 of the sound barrier foundation adopts a rectangular steel plate with the same length as the outer side template 1 of the sound barrier foundation, and the inner side template 2 of the sound barrier foundation is arranged in parallel with the outer side template 1 of the sound barrier foundation. The sound barrier foundation outer side template 1 is connected with the sound barrier foundation inner side template 2 through a plurality of n-shaped connecting members 3 arranged along the length direction at equal intervals.
Pi type connecting elements 3 is formed by two relative strip angle steel 3a that set up through the top surface coincide after combining bolt 3b concatenation. The vertical surface of one strip-shaped angle steel 3a is welded with the outer vertical surface of the outer side template 1 of the sound barrier foundation, and the vertical surface of the other strip-shaped angle steel 3a is welded with the outer vertical surface of the inner side template 2 of the sound barrier foundation. The n-shaped connecting members 3 can be connected with the corresponding sections of the sound barrier foundation formwork into a whole, and can also leave sufficient construction space for installing the sound barrier foundation embedded parts and pouring and vibrating the sound barrier foundation concrete, so that the concrete pouring quality is ensured.
Preferably, the stiffening member 4 is welded on the inner side formwork 2 of the sound barrier foundation, the stiffening member 4 is a gusset plate with the same length as the inner side formwork 2 of the sound barrier foundation, the vertical face of the gusset plate is welded with the outer vertical face of the inner side formwork 2 of the sound barrier foundation, and the top of the gusset plate is welded with the bottom face of the strip-shaped angle steel 3a on the corresponding side.
In addition, the top surface of the bar angle steel 3a is provided with at least three bolt through holes 3c arranged along the inner and outer direction at equal intervals, and is not limited to three, preferably three to four. Each n-shaped connecting member 3 is formed by splicing at least two bolts 3b, so that the distance between the outer side template 1 of the sound barrier foundation and the inner side template 2 of the sound barrier foundation can be adjusted.
Preferably, the pi-shaped connecting members 3 are arranged one at an interval along the length direction 1 m-2 m, i.e. the pi-shaped connecting members 3 are arranged one at a distance of 1 m-2 m along the bridge direction.
Claims (4)
1. The utility model provides a template is pour with box girder integration to sound barrier basis which characterized in that: including sound barrier basis outside template (1) and sound barrier basis inboard template (2), sound barrier basis outside template (1) is formed by the whole increase that upwards extends of case roof beam outside template, and sound barrier basis inboard template (2) adopt the rectangle steel sheet isometric with sound barrier basis outside template (1), and sound barrier basis inboard template (2) and sound barrier basis outside template (1) parallel arrangement, sound barrier basis outside template (1) and sound barrier basis inboard template (2) are linked to each other by a plurality of II type connecting elements (3) of setting along length direction equidistance interval, II type connecting elements (3) are formed by splicing bolt (3b) after top surface coincide by two bar angle steel (3a) of relative setting, and wherein the facade of a bar angle steel (3a) welds with the facade of sound barrier basis outside template (1), the vertical surface of the other strip angle steel (3a) is welded with the outer vertical surface of the inner side template (2) of the sound barrier foundation.
2. The sound barrier foundation and box girder integrated pouring template according to claim 1, characterized in that: the welding has stiffening member (4) on the inboard template of sound barrier basis (2), stiffening member (4) adopt the angle steel board isometric with the inboard template of sound barrier basis (2), and the facade of this angle steel board welds with the outer facade of the inboard template of sound barrier basis (2), and the top of this angle steel board welds with the bottom surface of the bar angle steel (3a) of corresponding side simultaneously.
3. The sound barrier foundation and box girder integrated pouring template according to claim 1, characterized in that: the top surface of bar angle steel (3a) is provided with at least three bolt via hole (3c) that the equidistance interval set up along inside and outside direction, and every II type connecting elements (3) are formed by at least two bolts (3b) concatenation to realize the adjustable installation of sound barrier basis outside template (1) and sound barrier basis inside template (2) interval.
4. The sound barrier foundation and box girder integrated pouring template according to any one of claims 1 to 3, wherein: the n-shaped connecting members (3) are arranged at intervals along the length direction of 1 m-2 m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910793725.3A CN110565529B (en) | 2019-08-27 | 2019-08-27 | Sound barrier basis and case roof beam integration template of pouring |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910793725.3A CN110565529B (en) | 2019-08-27 | 2019-08-27 | Sound barrier basis and case roof beam integration template of pouring |
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| Publication Number | Publication Date |
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| CN110565529A CN110565529A (en) | 2019-12-13 |
| CN110565529B true CN110565529B (en) | 2021-05-14 |
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| CN113373808B (en) * | 2021-06-10 | 2023-03-21 | 中铁隧道局集团建设有限公司 | Steel guardrail base and bridge deck integrated prefabricated slab, prefabricated formwork and construction method |
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| CN110565529A (en) | 2019-12-13 |
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Address after: 214104 room 301-218, block a, Xidong chuangrong building, No. 78, Danshan Road, anzhen street, Xishan District, Wuxi City, Jiangsu Province Patentee after: Jiangsu CRRC Urban Development Co.,Ltd. Patentee after: CRRC CONSTRUCTION ENGINEERING Co.,Ltd. Address before: 215000 NO.115 Yinsheng Road, Shengpu Town, Suzhou Industrial Park, Jiangsu Province Patentee before: SUZHOU CHINA VEHICLE CONSTRUCTION ENGINEERING Co.,Ltd. Patentee before: CRRC CONSTRUCTION ENGINEERING Co.,Ltd. |