CN204185755U - A kind of Wavelike steel webplate post-stressed concrete T beam - Google Patents

A kind of Wavelike steel webplate post-stressed concrete T beam Download PDF

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Publication number
CN204185755U
CN204185755U CN201420647729.3U CN201420647729U CN204185755U CN 204185755 U CN204185755 U CN 204185755U CN 201420647729 U CN201420647729 U CN 201420647729U CN 204185755 U CN204185755 U CN 204185755U
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wavelike steel
steel webplate
concrete
post
webplate
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CN201420647729.3U
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陈大根
马春祥
赵晓鹏
吴留涛
赵森
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HENAN DAJIAN BRIDE STEEL STRUCTURE Co Ltd
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HENAN DAJIAN BRIDE STEEL STRUCTURE Co Ltd
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Abstract

The utility model discloses a kind of Wavelike steel webplate post-stressed concrete T beam, comprise the Wavelike steel webplate be connected with concrete roof, built concrete between concrete roof and to have wet seam; Concrete roof is provided with longitudinal prestressed pore passage, in prestressed pore passage, is installed with prestressed strand; Combine fixing with welding by intersection fixed connection structure between the adjacent link of Wavelike steel webplate.The utility model adopts Wavelike steel webplate combining structure, has given full play to the service efficiency of steel and concrete material; Wavelike steel webplate T beam adopts prefabricated, is conducive to batch production processing, ensures construction quality, shorten construction period; The method that Wavelike steel webplate T beam adopts post stretching prefabricated, construction method equipment needed thereby is simple, and ground tackle is embedded in structure does not need stretching bed seat, produces flexibly; T girder segment length is set to 8m, and be conducive to construction transport, especially for Urban Bridge, set up a small amount of support in bridge pier both sides, under bridge, the traffic capacity is better, on traffic without impact, and reduces the pollution of construction to surrounding environment.

Description

A kind of Wavelike steel webplate post-stressed concrete T beam
Technical field
The utility model belongs to steel-concrete combined structure field, is specially a kind of Wavelike steel webplate post-stressed concrete T beam.
Background technology
Along with the continuous progress and development of society, the especially develop rapidly of transportation, what allow the go off daily of people become is very convenient; But, along with popularizing of the vehicles, be also growing with each passing day for demands such as traffic route bridges, especially in the area that some population density are larger, the serious quality of life having had influence on people of traffic congestion and constrain urban development, improves traffic, becomes the most important thing.Along with the development of road and bridge construction technique, precast bridge, has become a part indispensable in bridge construction, and therefore corrugated web bridge also arises at the historic moment.
Wavelike steel webplate prestressed concrete beam is a kind of novel steel-concrete combined structure, traditional concrete web is replaced with Wavelike steel webplate, both efficiently solve the problem of Cracking of concrete bridge web, give full play to again the advantage that concrete crushing strength is high, Wavelike steel webplate shear strength is high.Meanwhile, corrugated steel web plate composite box girder bridge and conventional concrete beam bridge contrast, and significantly alleviate the weight of superstructure, also mitigate the engineering quantity of substructure, thus reduce cost, achieve the lightness of bridge, improve the service efficiency of structural stability, intensity and material.
The modal type of assembled steel reinforced concrete beam bridge cross section is T-shaped, has multiple advantage, as: simple structure, easy construction, is convenient to suitability for industrialized production, can save a large amount of templates and support, reduces labour intensity, the reduction of erection time etc.For traditional PC T beam, on the one hand, deadweight is larger, when meeting structure stress, carry out weight reduction often through reduction web thickness, but concrete pouring quality often can not be guaranteed, during bridge operation often there is diagonal crack in web; On the other hand, assembly concrete T beam needs colligation web reinforcement when prefabricated, makes a large amount of template, thus causes operating expenses high, long construction period.When adopting pre-tensioning system stretch-draw, need the fixed equipment such as larger pedestal or punching block in batch, curing pool, one-time investment is larger; Presstressed reinforcing steel arranges that majority is linear pattern, and arrangement of curves is more difficult.
In Urban Bridge Construction; construction method assembled to job site again after T girder segment is prefabricated in the factory is widely adopted; this construction technology reduces the impact of bridge construction on the daily traffic in city; improve the technical level of urban viaduct engineering; and bridge construct time noiseless, without dust; which reduces the impact on construction nearby residents, strengthen the protection to surrounding enviroment.But T girder segment is in transportation, due to reasons such as T girder segment length are longer, bring inconvenience to transport.
Therefore, a kind of easy construction is provided, effectively can solves the problem of transport inconvenience and Precast Concrete Segmental Bridges minimizing taking place, traffic pressure and the novel T beam avoiding cast in situs to pollute surrounding environment in effective environment urban district have been good problems to study.
Summary of the invention
In order to overcome above-mentioned deficiency of the prior art, it is simple, easy for operation that the utility model provides a kind of structure, substantially increase traditional T beam and accept the advantages such as performance, stock utilization, durability, decrease prefabricated subsection taking assembled place, environment urban transportation pressure and the Wavelike steel webplate post-stressed concrete T beam reduced ambient contamination simultaneously.
A kind of Wavelike steel webplate post-stressed concrete T beam, comprises the Wavelike steel webplate 1 be connected with concrete roof 6, it is characterized in that: built concrete between described concrete roof 6 and to have wet seam 2; Concrete roof 6 is provided with longitudinal prestressed pore passage 3, in prestressed pore passage 3, is installed with prestressed strand 4; Combine fixing with welding by intersection fixed connection structure between the adjacent link of described Wavelike steel webplate 1;
Described concrete roof 6 for length be the precast concrete top board of 8m;
The link of described Wavelike steel webplate 1 is provided with along the fixing hole 8 of Wavelike steel webplate 1 genesis analysis and the longitudinal restraint reinforced steel bar perforation 7 along Wavelike steel webplate 1 cross direction profiles, is installed with longitudinal restraint reinforcing bar 5 in longitudinal restraint reinforced steel bar perforation 7;
The link that described intersection fixed connection structure comprises two pieces of adjacent Wavelike steel webplates 1 intersects; The fixing hole 8 being arranged on Wavelike steel webplate 1 end is corresponding, wears bolt fixture 11 in fixing hole 8; The locking cap at the two ends of described bolt fixture 11 with intersect fixing Wavelike steel webplate 1 end outside between be provided with spacer for bolt 10; Intersect the two ends of fixing Wavelike steel webplate 1 and its intersect the Wavelike steel webplate fixed plate body between by being welded and fixed, form corner welding line 9.
positive beneficial effect: the utility model adopts Wavelike steel webplate combining structure, has given full play to the service efficiency of steel and concrete material, has decreased concrete consumption, energy-conserving and environment-protective, good economical benefit; Wavelike steel webplate T beam adopts prefabricated, is connected to form Wavelike steel webplate T beam bridge by cast-in-place wet seam, is conducive to batch production processing, ensures construction quality, is conducive to shortening construction period; The method that Wavelike steel webplate T beam adopts post stretching prefabricated, construction method equipment needed thereby is simple, and ground tackle is embedded in structure does not need stretching bed seat, produces flexibly, is applicable to large-scale component site operation; T girder segment length is set to 8m, and be conducive to construction transport, especially for Urban Bridge, set up a small amount of support in bridge pier both sides, under bridge, the traffic capacity is better, quick construction, and on traffic without impact, and reduce the pollution of construction to surrounding environment, social benefit is good.
Accompanying drawing explanation
Fig. 1 is lateral connection schematic diagram of the present utility model;
Fig. 2 is for being sectional schematic diagram of the present utility model;
Fig. 3 is for being front of the present utility model connection diagram;
Fig. 4 is for being Wavelike steel webplate lap-joint of the present utility model schematic diagram;
In figure be: Wavelike steel webplate 1, concrete wet seam 2, prestressed pore passage 3, prestressed strand 4, longitudinal restraint reinforcing bar 5, concrete roof 6, longitudinal restraint reinforced steel bar perforation 7, fixing hole 8, corner welding line 9, spacer for bolt 10, bolt fixture 11.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is described further:
A kind of Wavelike steel webplate post-stressed concrete T beam, comprises the Wavelike steel webplate 1 be connected with concrete roof 6, has built concrete and wet seam 2 between described concrete roof 6; Concrete roof 6 is provided with longitudinal prestressed pore passage 3, in prestressed pore passage 3, is installed with prestressed strand 4; Combine fixing with welding by intersection fixed connection structure between the adjacent link of described Wavelike steel webplate 1;
Described concrete roof 6 for length be the precast concrete top board of 8m;
The link of described Wavelike steel webplate 1 is provided with along the fixing hole 8 of Wavelike steel webplate 1 genesis analysis and the longitudinal restraint reinforced steel bar perforation 7 along Wavelike steel webplate 1 cross direction profiles, is installed with longitudinal restraint reinforcing bar 5 in longitudinal restraint reinforced steel bar perforation 7;
The link that described intersection fixed connection structure comprises two pieces of adjacent Wavelike steel webplates 1 intersects; The fixing hole 8 being arranged on Wavelike steel webplate 1 end is corresponding, wears bolt fixture 11 in fixing hole 8; The locking cap at the two ends of described bolt fixture 11 with intersect fixing Wavelike steel webplate 1 end outside between be provided with spacer for bolt 10; Intersect the two ends of fixing Wavelike steel webplate 1 and its intersect the Wavelike steel webplate fixed plate body between by being welded and fixed, form corner welding line 9.
A kind of Wavelike steel webplate post-stressed concrete T beam bridge described in the utility model is the precast concrete soil top board of 8m and the prefabricated T-shaped beam element that form of Wavelike steel webplate by multiple length and contiguous prefabricated T beam is connected to form by longitudinal direction the crossbeam that porous combines T beam continuously forms; The two ends of Wavelike steel webplate are directly imbedded in precast concrete crossbeam.
Post-tensioned construction step described in the utility model is roughly divided into: at beam field installation form, support, Wavelike steel webplate is installed location, reinforcing bar in colligation concrete slab; Concreting, after treating that concrete reaches design strength requirement, then tension reinforcing steel bar.
Construction main process described in the utility model is: first, carries out the construction of bridge pier, abutment, bent cap; Secondly, prefabricated Wavelike steel webplate T beam is arranged on pier cap beam, after being fixedly connected with reinforcing bar in corresponding site concrete by the transverse reinforcement of adjacent two Precast T-Beam concrete rooves, builds coagulation; Finally, longitudinally build the crossbeam of adjacent holes T Liang Dunding, stretch-draw anchoring body External prestressed reinforcing bar, respectively will connect into porous continuous beam across Precast T-Beam unit.
The utility model adopts Wavelike steel webplate combining structure, has given full play to the service efficiency of steel and concrete material, has decreased concrete consumption, energy-conserving and environment-protective, good economical benefit; Wavelike steel webplate T beam adopts prefabricated, is connected to form Wavelike steel webplate T beam bridge by cast-in-place wet seam, is conducive to batch production processing, ensures construction quality, is conducive to shortening construction period; The method that Wavelike steel webplate T beam adopts post stretching prefabricated, construction method equipment needed thereby is simple, and ground tackle is embedded in structure does not need stretching bed seat, produces flexibly, is applicable to large-scale component site operation; T girder segment length is set to 8m, and be conducive to construction transport, especially for Urban Bridge, set up a small amount of support in bridge pier both sides, under bridge, the traffic capacity is better, quick construction, and on traffic without impact, and reduce the pollution of construction to surrounding environment, social benefit is good.
Above case study on implementation is only for illustration of preferred embodiment of the present utility model; but the utility model is not limited to above-mentioned embodiment; in the ken that described exercising ordinary skill possesses; the any amendment done within spirit of the present utility model and principle, equivalently to substitute and improvement etc., the protection domain of the application all should be considered as.

Claims (4)

1. a Wavelike steel webplate post-stressed concrete T beam, comprises the Wavelike steel webplate (1) be connected with concrete roof (6), it is characterized in that: built concrete between described concrete roof (6) and to have wet seam (2); Concrete roof (6) is provided with longitudinal prestressed pore passage (3), in prestressed pore passage (3), is installed with prestressed strand (4); Combine fixing with welding by intersection fixed connection structure between the adjacent link of described Wavelike steel webplate (1).
2. a kind of Wavelike steel webplate post-stressed concrete T beam according to claim 1, is characterized in that: described concrete roof (6) for length be the precast concrete top board of 8m.
3. a kind of Wavelike steel webplate post-stressed concrete T beam according to claim 1, it is characterized in that: the link of described Wavelike steel webplate (1) is provided with the fixing hole (8) along Wavelike steel webplate (1) genesis analysis and the longitudinal restraint reinforced steel bar perforation (7) along Wavelike steel webplate (1) cross direction profiles, is installed with longitudinal restraint reinforcing bar (5) in longitudinal restraint reinforced steel bar perforation (7).
4. a kind of Wavelike steel webplate post-stressed concrete T beam according to claim 2, is characterized in that: the link that described intersection fixed connection structure comprises two pieces of adjacent Wavelike steel webplates (1) intersects; The fixing hole (8) being arranged on Wavelike steel webplate (1) end is corresponding, wears bolt fixture (11) in fixing hole (8); The locking cap at the two ends of described bolt fixture (11) with intersect fixing Wavelike steel webplate (1) end outside between be provided with spacer for bolt (10); Intersect the two ends of fixing Wavelike steel webplate (1) and its intersect the Wavelike steel webplate fixed plate body between by being welded and fixed, form corner welding line (9).
CN201420647729.3U 2014-11-03 2014-11-03 A kind of Wavelike steel webplate post-stressed concrete T beam Active CN204185755U (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104805763A (en) * 2015-04-08 2015-07-29 中铁六局集团天津铁路建设有限公司 Super-large turnout beam with auxiliary tensioning holes and construction method
CN105369729A (en) * 2015-12-11 2016-03-02 河南省交通规划设计研究院股份有限公司 External prestressing corrugated steel web T-shaped beam and construction method
CN107227681A (en) * 2017-07-05 2017-10-03 安徽省交通规划设计研究总院股份有限公司 The I-shaped combination beam of section assembled
CN111305079A (en) * 2020-03-30 2020-06-19 河北省交通规划设计院 Prefabricated assembled steel truss web concrete composite bridge and construction method
CN111893886A (en) * 2020-07-06 2020-11-06 湖北工业大学 Construction method of full-prefabricated assembled corrugated steel web bridge with web and top and bottom plates in welded connection
CN112281627A (en) * 2020-09-21 2021-01-29 宁波交通工程建设集团有限公司 Steel bar joint structure of prefabricated section T beam

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104805763A (en) * 2015-04-08 2015-07-29 中铁六局集团天津铁路建设有限公司 Super-large turnout beam with auxiliary tensioning holes and construction method
CN104805763B (en) * 2015-04-08 2016-06-22 中铁六局集团天津铁路建设有限公司 A kind of ultra-large turnout junction girder with auxiliary stretch-draw hole and construction method thereof
CN105369729A (en) * 2015-12-11 2016-03-02 河南省交通规划设计研究院股份有限公司 External prestressing corrugated steel web T-shaped beam and construction method
CN107227681A (en) * 2017-07-05 2017-10-03 安徽省交通规划设计研究总院股份有限公司 The I-shaped combination beam of section assembled
CN111305079A (en) * 2020-03-30 2020-06-19 河北省交通规划设计院 Prefabricated assembled steel truss web concrete composite bridge and construction method
CN111893886A (en) * 2020-07-06 2020-11-06 湖北工业大学 Construction method of full-prefabricated assembled corrugated steel web bridge with web and top and bottom plates in welded connection
CN112281627A (en) * 2020-09-21 2021-01-29 宁波交通工程建设集团有限公司 Steel bar joint structure of prefabricated section T beam
CN112281627B (en) * 2020-09-21 2021-05-11 宁波交通工程建设集团有限公司 Steel bar joint structure of prefabricated section T beam

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