CN103541305B - A kind of construction method of the hollow slab bridge structure with integration pave-load layer - Google Patents
A kind of construction method of the hollow slab bridge structure with integration pave-load layer Download PDFInfo
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- CN103541305B CN103541305B CN201310480800.3A CN201310480800A CN103541305B CN 103541305 B CN103541305 B CN 103541305B CN 201310480800 A CN201310480800 A CN 201310480800A CN 103541305 B CN103541305 B CN 103541305B
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Abstract
The present invention relates to a kind of construction method of the hollow slab bridge structure with integration pave-load layer, comprise precast hollow slab and integration pave-load layer, it is characterized in that: described precast hollow slab has the distributing bar stretching out surface and be connected with integration pave-load layer at Ban Ding, described integration pave-load layer arranges double layer bar.Integration pave-load layer in the present invention has good durability and globality, can realize load relieving system preferably, stretches out distributing bar that Method Pre-stress Concrete Hollow Slab top is connected with integration pave-load layer and ensure that effective connection between hollowcore slab and integration pave-load layer.Owing to eliminating hinge seam structure, thus avoid that current domestic conventional assembly hollow slab bridges hinge seam bonding surface distributing bar digs out that difficulty, hinge seam site operation difficulty are large, easily occur the shortcoming of disease in practical application.
Description
Technical field
The present invention relates to a kind of hollow slab bridge with integration pave-load layer to construct and construction method, belong to technical field of civil.
Background technology
Show according to interrelated data, end the ratio of assembling Hollow Slab Beam Bridge in 2010 shared by highway in China Modular Bridge System and reach 64%.This kind of bridge have building height low, be convenient to the advantages such as prefabricated, design and construction is easy.Hollowcore slab and hinge are first stitched bonding surface distributing bar when precast plate girder and are pulled position to being close to side form by current domestic conventional assembly hollow slab bridges, pulled out after form removal, but often easily there is the phenomenon of distributing bar Transducers Embedded in Concrete, cause and pull out difficulty.Hinge seam construction size is relatively little, and reinforcing bar is intensive, and when constructing hinge seam structure, concrete is difficult to effectively be vibrated.By carrying out field investigation discovery to the assembly hollow slab bridges runed, cut with scissors due to design, construction and many reasons of operation stage and stitch bottom infiltration whiting, bottom mortar comes off, longitudinal cracking etc. is cut with scissors and is stitched the Major Diseases form that disease becomes this kind of bridge.Along with the development of hinge seam disease, hinge seam structure progressively loses the ability of lateral transport load, finally causes the phenomenon of single slab bearing to occur, causes grave danger to assembly hollow slab bridges life-span and traffic safety.
Summary of the invention
In order to thoroughly avoid hinge seam structure many defects in actual use at present, technical problem to be solved by this invention is to provide a kind of hollow slab bridge with integration pave-load layer and constructs and construction method, improves reliability and the durability of the hollow slab bridge lateral connection adopting this band integration pave-load layer.Owing to eliminating hinge seam structure, avoid that current domestic conventional assembly hollow slab bridges hinge seam bonding surface distributing bar digs out that difficulty, hinge seam site operation difficulty are large, easily occur the shortcoming of disease in practical application.
To achieve these goals, technical scheme of the present invention is: described precast hollow slab has the distributing bar stretching out surface and be connected with integration pave-load layer at Ban Ding, described integration pave-load layer arranges double layer bar.
Further, described precast hollow slab transverse shape is the rectangle of band circular hole, this hollowcore slab height is conventional same little across hollowcore slab height under footpath relative to domestic, all the other structures are identical, describedly stretch out the handling reinforcement that distributing bar that Method Pre-stress Concrete Hollow Slab top is connected with integration pave-load layer is integration pave-load layer steel mesh reinforcement, the stirrup in itself and hollowcore slab is along vertical bridge to interlaced arrangement.
Further, described integration pave-load layer thickness is minimum is 20cm, and reinforcing bar horizontal spacing is 10cm-15cm.
Simultaneously, the present invention also provides a kind of construction method of the hollow slab bridge structure with integration pave-load layer, carry out according to the following steps: (1), when precast hollow slab, carries out colligation according to design attitude by stretching out distributing bar that Method Pre-stress Concrete Hollow Slab top is connected with integration pave-load layer and the main muscle of tension at the bottom of plate upper frame stud and plate or welds; (2), after stripping, precast hollow slab is lifted on the seating plane of design; (3) according to the reinforcing bar of design attitude colligation integration pave-load layer; (4) concrete of poured integral pave-load layer.
Further, precast hollow slab transverse shape described in step (1) and (2) is the rectangle of band circular hole, described precast hollow slab transverse shape is the rectangle of band circular hole, and this hollowcore slab height is conventional same little across hollowcore slab height under footpath relative to domestic, and all the other structures are identical.Describedly stretch out the handling reinforcement that distributing bar that Method Pre-stress Concrete Hollow Slab top is connected with integration pave-load layer is integration pave-load layer steel mesh reinforcement, the stirrup in itself and hollowcore slab is along vertical bridge to interlaced arrangement.
Further, step (3) and the integration pave-load layer thickness described in (4) minimum be 20cm, reinforcing bar horizontal spacing is 10cm-15cm.
Further, in step (4), described integration pave-load layer concrete should be integral cast-in-situ.
As known from the above, the present invention is as a kind of construction method of the hollow slab bridge structure with integration pave-load layer, not only increase reliability and the durability of the hollow slab bridge lateral connection adopting this band integration pave-load layer, and overcome that current domestic conventional assembly hollow slab bridges hinge seam bonding surface distributing bar digs out that difficulty, hinge seam site operation difficulty are large, easily occur the shortcoming of disease in practical application.
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Accompanying drawing explanation
Fig. 1 is the front view of the embodiment of the present invention.
Fig. 2 is the front view of the stirrup stretched out in distributing bar and hollowcore slab that Method Pre-stress Concrete Hollow Slab top is connected with integration pave-load layer.
Fig. 3 is the elevation of the embodiment of the present invention.
1-precast hollow slab in figure, 2-integration pave-load layer, stirrup in 3-hollowcore slab, 3 '-stretch out the distributing bar that Method Pre-stress Concrete Hollow Slab top is connected with integration pave-load layer, 4-integration pave-load layer longitudinal reinforcement, 5-plate upper frame stud, the main muscle of tension at the bottom of 6-plate, 7-integration pave-load layer transverse reinforcement, the seating plane of 8-design.
Detailed description of the invention
As shown in Figure 1-2, a kind of hollow slab bridge structure with integration pave-load layer, comprises precast hollow slab 1 and integration pave-load layer 2.Described precast hollow slab has the distributing bar 3 ' stretching out surface and be connected with integration pave-load layer at Ban Ding, described integration pave-load layer arranges double layer bar, and steel mesh reinforcement forms by stretching out distributing bar 3 ', integration pave-load layer longitudinal reinforcement 4 and the integration pave-load layer transverse reinforcement 7 that Method Pre-stress Concrete Hollow Slab top is connected with integration pave-load layer.
In the present embodiment, described precast hollow slab 1 transverse shape is the rectangle of band circular hole, this hollowcore slab height is conventional same little across hollowcore slab height under footpath relative to domestic, all the other structures are identical, describedly stretch out the handling reinforcement that distributing bar 3 ' that plate top is connected with integration pave-load layer is integration pave-load layer steel mesh reinforcement, the stirrup 3 in itself and hollowcore slab is along vertical bridge to interlaced arrangement; The minimum 20cm of described integration pave-load layer 2 thickness, reinforcing bar is laterally 10cm-15cm.
As Fig. 1-2, a kind of construction method of the hollow slab bridge structure with integration pave-load layer, carry out according to the following steps:
(1) when precast hollow slab 1, carry out colligation according to design attitude by stretching out distributing bar 3 ' that Method Pre-stress Concrete Hollow Slab top is connected with integration pave-load layer and the main muscle 6 of tension at the bottom of plate upper frame stud 5 and plate or weld;
(2), after stripping, precast hollow slab is lifted on the seating plane 8 of design
;
(3) according to the reinforcing bar 4,7 of design attitude colligation integration pave-load layer;
(4) concrete of poured integral pave-load layer.
In the present embodiment, precast hollow slab 1 transverse shape described in step (1) and (2) is the rectangle of band circular hole, and this hollowcore slab height is conventional same little across hollowcore slab height under footpath relative to domestic, and all the other structures are identical.Describedly stretch out the handling reinforcement that distributing bar 3 ' that Method Pre-stress Concrete Hollow Slab top is connected with integration pave-load layer is integration pave-load layer steel mesh reinforcement, the stirrup 3 in itself and hollowcore slab is along vertical bridge to interlaced arrangement; Step (3) and integration pave-load layer 2 thickness described in (4) minimum be 20cm, reinforcing bar horizontal spacing is 10cm-15cm; In step (4), described integration pave-load layer 2 concrete should be integral cast-in-situ.
The present invention is not limited to above-mentioned preferred forms, and anyone can draw the hollow slab bridge structure of other various forms of band integration pave-load layer under enlightenment of the present invention.All equalizations done according to the present patent application the scope of the claims change and modify, and all should belong to covering scope of the present invention.
Claims (1)
1. the construction method of the hollow slab bridge structure with integration pave-load layer, it is characterized in that, hollow slab bridge structure with integration pave-load layer comprises precast hollow slab and integration pave-load layer, described precast hollow slab has the distributing bar stretching out surface and be connected with integration pave-load layer at Ban Ding, described integration pave-load layer arranges double layer bar; Described precast hollow slab transverse shape is the rectangle of band circular hole, and this hollowcore slab height is conventional same little across hollowcore slab height under footpath relative to domestic, and all the other structures are identical; Describedly stretch out the handling reinforcement that distributing bar that Method Pre-stress Concrete Hollow Slab top is connected with integration pave-load layer is integration pave-load layer steel mesh reinforcement, the stirrup in itself and hollowcore slab is along vertical bridge to interlaced arrangement; Described integration pave-load layer thickness is minimum is 20cm, and reinforcing bar horizontal spacing is 10cm-15cm, carries out according to the following steps during construction:
(1) when precast hollow slab, carry out colligation according to design attitude by stretching out distributing bar that Method Pre-stress Concrete Hollow Slab top is connected with integration pave-load layer and the main muscle of tension at the bottom of plate upper frame stud and plate or weld;
(2), after stripping, precast hollow slab is lifted on the seating plane of design;
(3) according to the reinforcing bar of design attitude colligation integration pave-load layer;
(4) concrete of poured integral pave-load layer;
Described in step (1) and (2), precast hollow slab transverse shape is the rectangle of band circular hole, this hollowcore slab height is conventional same little across hollowcore slab height under footpath relative to domestic, all the other structures are identical, describedly stretch out the handling reinforcement that distributing bar that Method Pre-stress Concrete Hollow Slab top is connected with integration pave-load layer is integration pave-load layer steel mesh reinforcement, the stirrup in itself and hollowcore slab is along vertical bridge to interlaced arrangement; Integration pave-load layer thickness described in step (3) and (4) is minimum is 20cm, and reinforcing bar horizontal spacing is 10cm-15cm; In step (4), described integration pave-load layer concrete should be integral cast-in-situ.
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| CN201310480800.3A CN103541305B (en) | 2013-10-15 | 2013-10-15 | A kind of construction method of the hollow slab bridge structure with integration pave-load layer |
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| CN201310480800.3A CN103541305B (en) | 2013-10-15 | 2013-10-15 | A kind of construction method of the hollow slab bridge structure with integration pave-load layer |
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| CN103541305B true CN103541305B (en) | 2015-11-18 |
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| CN104074131B (en) * | 2014-07-19 | 2016-05-04 | 福州大学 | A kind of assembled inverted T-shaped slab bridge structure and construction method thereof |
| CN104294752B (en) * | 2014-10-30 | 2016-06-01 | 福州大学 | The hollow slab bridge structure of a kind of band end crossbeam and constructional method thereof |
| CN107818228B (en) * | 2017-11-20 | 2020-04-10 | 福州大学 | Method for calculating transverse tension prestress of assembled hollow slab bridge |
| CN108442227A (en) * | 2018-03-28 | 2018-08-24 | 长安大学 | One kind preventing deck crack hollow slab bridge structure and attaching method thereof |
| CN108435973B (en) * | 2018-04-09 | 2024-01-16 | 宁波交通工程建设集团有限公司 | Device for straightening hinge joint steel bars of bridge prefabricated hollow plate and operation method |
| CN109972536B (en) * | 2019-03-06 | 2020-07-10 | 安徽省公路桥梁工程有限公司 | Construction method of hollow slab beam reinforcing and strengthening structure |
| CN113882274B (en) * | 2021-11-12 | 2023-10-24 | 王壹帆 | Construction method for paving longitudinal prestressed concrete bridge deck |
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| JPH0971904A (en) * | 1995-09-04 | 1997-03-18 | P S Co Ltd | Preventive method of concrete slab bridge from falling |
| KR20060071248A (en) * | 2004-12-21 | 2006-06-26 | 재단법인 포항산업과학연구원 | Slab bridge with steel tubes |
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| CN102352606A (en) * | 2011-08-05 | 2012-02-15 | 天津城市建设学院 | Transverse in-vitro prestress solidifying method of road hinged hollow slab bridge |
| CN102926331A (en) * | 2012-10-30 | 2013-02-13 | 商丘市豫东公路勘察设计有限公司 | Concrete hollow slab bridge strengthened by transverse integral clamping connection |
| CN103061271A (en) * | 2012-12-25 | 2013-04-24 | 中铁大桥勘测设计院集团有限公司 | Single plate force-bearing reinforcing method of hollow slab bridge |
| CN203530845U (en) * | 2013-10-15 | 2014-04-09 | 福州大学 | Hollow slab bridge structure with integration pavement layer |
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2013
- 2013-10-15 CN CN201310480800.3A patent/CN103541305B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0971904A (en) * | 1995-09-04 | 1997-03-18 | P S Co Ltd | Preventive method of concrete slab bridge from falling |
| KR20060071248A (en) * | 2004-12-21 | 2006-06-26 | 재단법인 포항산업과학연구원 | Slab bridge with steel tubes |
| CN101644032A (en) * | 2009-08-31 | 2010-02-10 | 中交通力建设股份有限公司 | Beam-removing rib-increasing strengthening construction technology of highway bridge |
| CN102352606A (en) * | 2011-08-05 | 2012-02-15 | 天津城市建设学院 | Transverse in-vitro prestress solidifying method of road hinged hollow slab bridge |
| CN102926331A (en) * | 2012-10-30 | 2013-02-13 | 商丘市豫东公路勘察设计有限公司 | Concrete hollow slab bridge strengthened by transverse integral clamping connection |
| CN103061271A (en) * | 2012-12-25 | 2013-04-24 | 中铁大桥勘测设计院集团有限公司 | Single plate force-bearing reinforcing method of hollow slab bridge |
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