CN203128995U - Combined T-girder component and combined T-girder bridge - Google Patents
Combined T-girder component and combined T-girder bridge Download PDFInfo
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- CN203128995U CN203128995U CN 201320084057 CN201320084057U CN203128995U CN 203128995 U CN203128995 U CN 203128995U CN 201320084057 CN201320084057 CN 201320084057 CN 201320084057 U CN201320084057 U CN 201320084057U CN 203128995 U CN203128995 U CN 203128995U
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Abstract
A combined T-girder component comprises a corrugated steel web structure, a steel pouring jacket structure connected with the corrugated steel web structure and a combined bridge deck slab of a profiled steel sheet and concrete. The steel pouring jacket structure comprises a ringent steel pouring jacket and a reinforcing steel bar connection piece connected with the ringent steel pouring jacket, and concrete is filled in the steel pouring jacket. The corrugated steel web structure comprises a corrugated steel web, a first separating plate and a second separating plate, wherein the first separating plate and the second separating plate are respectively located on the left side and the right side of the corrugated steel web. One end of the corrugated steel web is inserted into the concrete of the ringent steel pouring jacket and is welded with a bottom steel plate of the steel pouring jacket, a plurality of holes are formed in the section, inserted in the concrete, of the corrugated steel web, and the other end of the corrugated steel web is welded with the profiled steel sheet. The combined bridge deck slab of the profiled steel sheet and the concrete comprises the profiled steel sheet and a plurality of transverse perforated plates connected with the profiled steel sheet, and a plurality of top flange transverse reinforcing steel bars are further paved on the profiled steel sheet. Due to the fact that the profiled steel sheet provided with the perforated plates, the ringent steel pouring jacket and other structures are arranged, the combined T-girder component needs a small number of formworks in a prefabricating process, and the combined T-girder component is convenient to transport and lift.
Description
Technical field
The utility model belongs to combined bridge engineering field, the combination T beam bridge that relates in particular to a kind of T of combination beam and be assembled.
Background technology
Assembly concrete T beam bridge is maximum a kind of form that adopts in China's assembling simply supported girder bridge, it has plurality of advantages, but in actual applications, precast concrete T beam is from great, needs certain transportation and crane gear transports and installation work.So in design process, at the thickness that guarantees should to reduce as far as possible under the condition such as shearing resistance web, but when web thickness during less than 16cm, it is difficult that concreting will become, and is difficult to guarantee concrete construction quality.On the other hand, need a large amount of templates when assembly concrete T beam is built, form cost is with high.And work as bridge span and directly satisfy 8m＜l＜20m, when adopting reinforced concrete simple-supported beam, for the requirement of satisfying shearing resistance and laying bearing, beam rib end 2.0～5.0m scope domestic demand is widened gradually; When bridge span directly is 20～40m, when adopting the prefabricated PC concrete T-shaped beam, for presstressed reinforcing steel being arranged than the concentrated area in beam rib bottom and being satisfied prestressed pressurized needs, beam rib bottom is fit to do into the shape of a hoof.Such beam rib structure will make formwork structure and concrete building become complicated slightly, further cause increasing the template construct expense.
The utility model content
It is a kind of from heavy and light, transporting and hoisting convenience, element precast degree height, construct assembling combination T beam and combination T beam bridge easily that the purpose of this utility model is to provide.
The technical solution of the utility model is as follows:
The utility model discloses a kind of combination T beam, comprise the Wavelike steel webplate structure, steel bushing box structure and the profiled sheet-concrete combined bridge deck that links to each other with described Wavelike steel webplate structure respectively,
Described steel bushing box structure comprises the steel bushing case of opening and the rebar connector that links to each other with described steel bushing case, is filled with concrete in the steel bushing case;
First dividing plate and second partition that described Wavelike steel webplate structure comprises Wavelike steel webplate and lays respectively at the described Wavelike steel webplate left and right sides, described Wavelike steel webplate one end inserts in the steel bushing case concrete of described opening, end steel plate welding with described steel bushing case, the Wavelike steel webplate that inserts concrete segment is provided with a plurality of perforates, the other end and the welding of described profiled sheet;
A plurality of lateral opening plates that described profiled sheet-concrete combined bridge deck comprises profiled sheet, links to each other with described profiled sheet are also laid a plurality of top flanges transverse reinforcement on the described profiled sheet.
Further, described profiled sheet is established connector being provided with haunch with described waveform slab web junction on the described haunch place steel plate.
Preferably, described connector is haunch place weldering nail connector.
Described steel bushing case comprises cantilever plate and the end steel plate of left curved plate, right curved plate, described left and right curved plate.
Described rebar connector comprises reinforcing bar group under reinforcing bar on the skeleton, skeleton abdomen reinforcing bar and the skeleton, the cantilever plate of reinforcing bar and steel bushing case welding on the described skeleton, the end steel plate welding of reinforcing bar and steel bushing case under the described skeleton.
Wherein among the embodiment, described Wavelike steel webplate structure is provided with many bottom flange transverse reinforcements, and described bottom flange transverse reinforcement runs through a plurality of perforates of described Wavelike steel webplate.
In another embodiment, in the described steel bushing case concrete presstressed reinforcing steel is set, described presstressed reinforcing steel is between rebar connector and Wavelike steel webplate.
When described combination T beam is used as middle beam, preferred, first dividing plate and the second partition of described middle beam are diaphragm.
When described combination T beam is used as the side bar member, preferred, described side bar member first dividing plate is outrigger, and second partition is diaphragm.
The invention also discloses a kind of combination T beam bridge: among first embodiment, a kind of combination T beam bridge comprises beam and two groups of side bar members at least one group, beam is between described two groups of side bar members in described, in adjacent between the beam, link to each other via profiled sheet, second partition, top flange transverse reinforcement and the wet section concrete that connects between middle beam and the side bar member, described profiled sheet connects section concrete and is connected via connector with described wetting.
Further, described connector is weldering nail connector.
Among second embodiment, described combination T beam bridge comprises two groups of described side bar members, link to each other via profiled sheet, second partition, top flange transverse reinforcement and the wet section concrete that connects between described side bar member and the side bar member, described profiled sheet connects section concrete and is connected via connector with described wetting.
Further, described connector is weldering nail connector.
When bridge span footpath during less than 20m, preferred, described in beam and the described side bar assembly, the Wavelike steel webplate structure is provided with many bottom flange transverse reinforcements, described bottom flange transverse reinforcement runs through a plurality of perforates of described Wavelike steel webplate.
When bridge span directly is 20～40m, preferred, in described middle beam and the described side bar assembly, in the steel bushing case concrete presstressed reinforcing steel is set.
The beneficial effects of the utility model are as follows:
T beam shown in the utility model is owing to be provided with the profiled sheet of lateral opening plate and the structures such as steel bushing case of opening, and required template is few in the prefabrication process, from heavy and light, is convenient to transportation and lifting; And because steel bushing case opening, construction space is big, and prefabricated quality guarantees easily; Wavelike steel webplate inserts the concrete of steel bushing case, and end steel plate direct and the steel bushing case welds, and the Wavelike steel webplate perforate also runs through transverse reinforcement, the bonding strength height;
It is few that combination T beam bridge shown in the utility model also possesses seam, assembles fireballing advantage during concrete construction application
Description of drawings
Fig. 1 is the schematic diagram of the many girders steel concrete combination T beam bridge after the assembling;
Fig. 2 is the schematic diagram of beam in the utility model steel concrete combination T beam bridge;
Fig. 3 is the schematic diagram of the utility model steel concrete combination T beam bridge side bar member;
Fig. 4 is the schematic diagram of the utility model steel concrete combination T beam steel bushing case detail structure.
Fig. 5 is the schematic diagram of the wet section of connecing in the utility model combination T beam bridge;
Fig. 6 is the schematic diagram of the many girders prestressed concrete combination T beam bridge after the assembling;
Fig. 7 is the schematic diagram of beam in the utility model prestressed concrete combination T beam bridge;
Fig. 8 is the schematic diagram of the utility model prestressed concrete combination T beam bridge side bar member;
Fig. 9 is the schematic diagram of the utility model prestressed concrete combination T beam steel bushing case detail structure;
Wherein, top flange transverse reinforcement 1, lateral opening plate 2, profiled sheet 3, haunch place weldering nail connector 4, second partition 5, Wavelike steel webplate 6, presstressed reinforcing steel 7, rebar connector 8, steel bushing case 9, bottom flange transverse reinforcement 10, first dividing plate 11, the wet section of connecing weldering nail connector 12, concrete 13, left curved plate 14, right curved plate 15, end steel plate 16, cantilever plate 17.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is further specified.
As Fig. 2, Fig. 3, Fig. 7 and shown in Figure 8, a kind of combination T beam comprises the Wavelike steel webplate structure, respectively steel bushing box structure and the profiled sheet-concrete combined bridge deck that links to each other with the Wavelike steel webplate structure.
The steel bushing box structure comprises the steel bushing case 9 of opening and the rebar connector 8 that links to each other with steel bushing case 9, is filled with concrete 13 in the steel bushing case 9.In the present embodiment, replaced the water chestnut ellbeam rib bottom of traditional assembly concrete T beam by the steel bushing case concrete of opening.Steel bushing case 9 comprises cantilever plate 17 and the end steel plate 16 of left curved plate 14 and right curved plate 15, left curved plate 14 and right curved plate 15, and steel bushing case 9 can be used as concrete formwork for placing, and it is convenient and swift that concrete 13 is built.For not adding prestressed combination T beam, steel bushing case 9 can be born the tensile stress that is produced by deadweight and mobile load; And for applying prestressed combination T beam, steel bushing case 9 also can play certain cuff effect, is conducive to improve the supporting capacity of concrete 13.
In order to guarantee being connected of concrete 13 and steel bushing case 9 in the opening steel bushing case concrete, prevent concrete 13 in the steel bushing case 9 simultaneously because shrinkage and creep produces the crack, rebar connector 8 also is set in the steel bushing case 9, in the present embodiment, rebar connector 8 is the truss-like connector, comprise reinforcing bar group under reinforcing bar on the skeleton, skeleton abdomen reinforcing bar and the skeleton, cantilever plate 17 welding of reinforcing bar and opening steel bushing case 9 on the skeleton, end steel plate 16 welding of reinforcing bar and opening steel bushing case 9 under the skeleton.
Therein among the embodiment, when combination T beam was used for making up the bridge footpath greater than 20m and less than the bridge of 40m, steel bushing case concrete 13 arranged presstressed reinforcing steel 7 in also, and presstressed reinforcing steel 7 is between rebar connector 8 and Wavelike steel webplate.
A plurality of lateral opening plates 2 that profiled sheet-concrete combined bridge deck comprises profiled sheet 3, links to each other with profiled sheet 3 are also laid a plurality of top flanges transverse reinforcement 1 on the profiled sheet 3.Profiled sheet-concrete combined bridge deck that profiled sheet 3 and concrete 13 are formed has replaced the concrete upper plate of traditional assembly concrete T beam.Owing to the effect of profiled sheet 3, can reduce the thickness of top flange concrete slab, reduced the bridge deadweight.And the profiled sheet 3 that is provided with lateral opening plate 2 is little in the distortion of top flange concrete effect lower steel plate, so in the process that is prefabricated in the factory, top flange concrete 13 can be template with profiled sheet 3 directly.Lateral opening plate 2 also can play the transmission transverse shearing force simultaneously, guarantees that concrete 13 is connected with the reliable of profiled sheet 3.
Profiled sheet 3 is being provided with haunch with waveform slab web junction, profiled sheet-concrete combined bridge deck is bigger at the horizontal tensile stress of itself and Wavelike steel webplate 6 junctions (being the haunch position), so the measure of having taked " haunch " is to reduce horizontal tensile stress herein.Combined bridge deck is that 3 two kinds of materials of concrete 13 and profiled sheet are formed again, connects reliably for guaranteeing two kinds of materials, so at the haunch place connector is set, in the present embodiment, connector is weldering nail connector 4.
First dividing plate 11 and second partition 5 that the Wavelike steel webplate structure comprises Wavelike steel webplate 6 and lays respectively at Wavelike steel webplate 6 left and right sides, Wavelike steel webplate 6 one ends insert in steel bushing case 9 concrete 13 of opening, end steel plate 16 welding with steel bushing case 9, the Wavelike steel webplate 6 that inserts 13 sections of concrete is provided with a plurality of perforates, to strengthen the bonding strength between Wavelike steel webplate 6 and the concrete 13.The other end of Wavelike steel webplate 6 and profiled sheet 3 welding;
Therein among the embodiment, when combination T beam is used for making up the bridge footpath less than the bridge of 20m, also be provided with many bottom flange transverse reinforcements 10 in the Wavelike steel webplate structure, bottom flange transverse reinforcement 10 runs through a plurality of perforates of described Wavelike steel webplate, to satisfy concrete connection the in Wavelike steel webplate and the steel bushing case.
Wherein, Fig. 2 and embodiment illustrated in fig. 7 in, the T beam assembly is used as middle beam, first dividing plate 11 and the second partition 5 of middle beam assembly are diaphragm; Among Fig. 3 and the embodiment shown in Figure 8, the T beam assembly is used as the side bar member, and side bar member first dividing plate 11 is outrigger, and second partition 5 is diaphragm.
As Fig. 1 and shown in Figure 6, the invention also discloses a kind of combination T beam bridge.
Therein among the embodiment, combination T beam bridge comprises beam in two groups of side bar members and at least one group, middle beam is between two groups of side bar members, in adjacent between the beam, link to each other via profiled sheet 3, second partition 5, top flange transverse reinforcement 1 and concrete 13 between middle beam and the side bar member, the junction of profiled sheet and concrete 13 is provided with connector, in the present embodiment, connector is the wet section of connecing weldering nail connector 12.
In another embodiment, combination T beam bridge comprises two groups side bar member, link to each other via profiled sheet 3, second partition 5, top flange transverse reinforcement 1 and concrete 13 between side bar member and the side bar member, profiled sheet 3 is connected via connector with the wet section of connecing of concrete 13.In the present embodiment, connector is the wet section of connecing weldering nail connector.
Describe below in conjunction with structure and the operating principle of specific embodiment to combination T beam bridge and T beam assembly.
Embodiment 1: many girders steel concrete combination T beam bridge.
Among the embodiment 1, when bridge span footpath during less than 20m, in middle beam and the side bar modular construction, for guaranteeing being connected of concrete 13 in Wavelike steel webplate 6 and the steel bushing case 9, Wavelike steel webplate 6 structures are provided with many bottom flange transverse reinforcements 10, bottom flange transverse reinforcement 10 runs through a plurality of perforates of Wavelike steel webplate 6, and namely making up the T beam bridge is many girders steel concrete combination T beam bridge shown in Figure 1.In the present embodiment, middle beam cross-sectional view as shown in Figure 2, its side bar member cross-sectional view is as shown in Figure 3.The structure detail of opening steel bushing case 9 makes up the wet section of the connecing cross-sectional view of T beam bridge as shown in Figure 5 as shown in Figure 4.Below its concrete work progress is elaborated.
Beam is prefabricated in the steel concrete combination T beam bridge.Weld with steel bushing case 9 making welding fabrications and with rebar connector 8 respectively earlier; Make profiled sheet 3 and weld lateral opening plate 2, haunch place weldering nail connector 4 and the wet section of connecing weldering nail connector 12; Make Wavelike steel webplate 6 and wear edge of a wing transverse reinforcement 10 simultaneously in the perforate of lower edge relevant position.Then, with Wavelike steel webplate 6 and 9 end of steel bushing case steel plate 16 and profiled sheet 3 welding.Be that template is built steel bushing case 9 inner concretes 13 with steel bushing case 9, lay top flange transverse reinforcement 1 and be that template is built top flange concrete 13 with the profiled sheet 3 of band lateral opening plate 2.At last, first dividing plate 11 and second partition 5 of welding Wavelike steel webplate about 6.Thus, finish the prefabricated of beam in the steel concrete combination T beam bridge.
Steel concrete makes up the prefabricated of T beam bridge side bar member.The manufacturing process of side bar member is basic identical with the manufacturing process of middle beam, just changes Wavelike steel webplate 6 first dividing plate 11 on one side into outrigger.
Middle beam and side bar member that prefabrication is good are transported to the scene, behind the hoisted in position, with adjacent middle beam and side bar member, middle beam with after profiled sheet 3, diaphragm 5 and transverse reinforcement 1 between the middle beam is connected, build junction concrete 13, finish the assembling of many girders steel concrete combination T beam bridge.The junction steel plate is followed closely connector 12 with adopting the wet section of connecing weldering being connected of the concrete 13 wet sections of connecing.
Embodiment 2: many girders prestressed concrete combination T beam bridge.
When bridge span directly is 20 to 40m, combination T beam bridge adopts prefabricated PC concrete T-shaped beam structure, in middle beam and the side bar modular construction, in steel bushing case 9 concrete 13 presstressed reinforcing steel 7 is set, presstressed reinforcing steel 7 occupies the position of original bottom flange transverse reinforcement 10, has made presstressed reinforcing steel 7 is arranged than the concentrated area in beam rib bottom and to be satisfied prestressed pressurized needs.Fig. 6 is the many girders prestressed concrete combination T beam bridge that assembles, wherein the beam cross-sectional view as shown in Figure 7, its side bar member cross-sectional view as shown in Figure 8, in the construction steel casing concrete of member opening steel bushing case 9 presstressed reinforcing steel is set, details makes up the wet section of connecing of T beam bridge and constructs identical with embodiment 1 as shown in Figure 9.
The work progress of embodiment 2 is basic identical with embodiment 1, just need set up the pipeline of presstressed reinforcing steel 7 when template is built steel bushing case 9 inner concretes 13, and builds post tensioning presstressed reinforcing steel 7 what finish steel bushing case 9 inner concretes 13 and top flange concrete 13.
The above-mentioned description to embodiment is can understand and use the utility model for ease of those skilled in the art.The person skilled in the art obviously can easily make various modifications to these embodiment, and needn't pass through performing creative labour being applied in the General Principle of this explanation among other embodiment.Therefore, the utility model is not limited to above-described embodiment, and those skilled in the art are according to announcement of the present utility model, and not breaking away from the improvement that the utility model category makes and revise all should be within protection domain of the present utility model.
Claims (10)
1. combination T beam is characterized in that: comprise the Wavelike steel webplate structure, and steel bushing box structure and the profiled sheet-concrete combined bridge deck that links to each other with described Wavelike steel webplate structure respectively,
Described steel bushing box structure comprises the steel bushing case of opening and the rebar connector that links to each other with described steel bushing case, is filled with concrete in the steel bushing case;
First dividing plate and second partition that described Wavelike steel webplate structure comprises Wavelike steel webplate and lays respectively at the described Wavelike steel webplate left and right sides, described Wavelike steel webplate one end inserts in the steel bushing case concrete of described opening, end steel plate welding with described steel bushing case, the Wavelike steel webplate that inserts concrete segment is provided with a plurality of perforates, the other end and the welding of described profiled sheet;
A plurality of lateral opening plates that described profiled sheet-concrete combined bridge deck comprises profiled sheet, links to each other with described profiled sheet are also laid a plurality of top flanges transverse reinforcement on the described profiled sheet.
2. combination T beam according to claim 1, it is characterized in that: described profiled sheet is established connector being provided with haunch with described waveform slab web junction on the described haunch place steel plate, as haunch place weldering nail connector.
3. combination T beam according to claim 1, it is characterized in that: described steel bushing case comprises cantilever plate and the end steel plate of left curved plate, right curved plate, described left and right curved plate; Described rebar connector comprises reinforcing bar group under reinforcing bar on the skeleton, skeleton abdomen reinforcing bar and the skeleton, the cantilever plate of reinforcing bar and steel bushing case welding on the described skeleton, the end steel plate welding of reinforcing bar and steel bushing case under the described skeleton.
4. according to described each combination of claim 1 to 3 T beam, it is characterized in that: described Wavelike steel webplate structure is provided with many bottom flange transverse reinforcements, and described bottom flange transverse reinforcement runs through a plurality of perforates of described Wavelike steel webplate.
5. according to described each combination of claim 1 to 3 T beam, it is characterized in that: in the described steel bushing case concrete presstressed reinforcing steel is set, described presstressed reinforcing steel is between rebar connector and Wavelike steel webplate.
6. combination T beam according to claim 1, it is characterized in that: described combination T beam is used as middle beam, described in first dividing plate and the second partition of beam be diaphragm.
7. combination T beam according to claim 1, it is characterized in that: described combination T beam is used as the side bar member, and described side bar member first dividing plate is outrigger, and second partition is diaphragm.
8. one kind is made up the T beam bridge, it is characterized in that: comprise at least one group of middle beam as claimed in claim 7 and two groups of side bar members as claimed in claim 6, beam is between described two groups of side bar members in described, in adjacent between the beam, link to each other via profiled sheet, second partition, top flange transverse reinforcement and the wet section concrete that connects between middle beam and the side bar member, described profiled sheet welds as the wet section of connecing via connector and follows closely connector and be connected with the described wet section concrete that connects;
Perhaps comprise two groups of side bar members as claimed in claim 6, link to each other via profiled sheet, second partition, top flange transverse reinforcement and the wet section concrete that connects between described side bar member and the side bar member, described profiled sheet is connected as weldering nail connector via connector with the described wet section concrete that connects.
9. combination T beam bridge according to claim 8, it is characterized in that: when bridge span footpath during less than 20m, in beam and the described side bar assembly, the Wavelike steel webplate structure is provided with many bottom flange transverse reinforcements in described, and described bottom flange transverse reinforcement runs through a plurality of perforates of described Wavelike steel webplate.
10. combination T beam bridge according to claim 8 is characterized in that: when bridge span directly is 20～40m, in described middle beam and the described side bar assembly, in the steel bushing case concrete presstressed reinforcing steel is set.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201320084057 CN203128995U (en) | 2013-02-25 | 2013-02-25 | Combined T-girder component and combined T-girder bridge |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201320084057 CN203128995U (en) | 2013-02-25 | 2013-02-25 | Combined T-girder component and combined T-girder bridge |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103437273A (en) * | 2013-08-23 | 2013-12-11 | 邢台路桥千山桥梁构件有限责任公司 | Method for machining bottom box used for assembly-type steel box composite beam |
| CN103741577A (en) * | 2013-12-30 | 2014-04-23 | 郑州大学 | T-shaped beam bridge with lower flat connection and construction method of T-shaped beam bridge |
| CN103866684A (en) * | 2014-04-08 | 2014-06-18 | 湖南大学 | Corrugated steel web combination ribbed beam and construction process thereof |
| CN104727213A (en) * | 2015-01-30 | 2015-06-24 | 邢台路桥交通设施有限公司 | Assembly type steel and concrete arch bridge T beam plate |
| CN104947851A (en) * | 2015-06-25 | 2015-09-30 | 肖林 | Corrugated steel baseplate and concrete composite beam |
| CN105064195A (en) * | 2015-07-29 | 2015-11-18 | 广西交通科学研究院 | Internal prestress steel and concrete combined simply supported girder bridge of prefabricated and assembled fish-bellied corrugated steel web and construction method thereof |
| CN105064196A (en) * | 2015-07-29 | 2015-11-18 | 广西交通科学研究院 | Prefabricated and assembled fish-belly I-shaped prestressed steel-concrete composite simple supported girder bridge and construction method thereof |
| 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 |
| CN111005301A (en) * | 2019-12-25 | 2020-04-14 | 郑州市交通规划勘察设计研究院 | Assembled combined beam bridge and construction method thereof |
| CN112900228A (en) * | 2021-03-10 | 2021-06-04 | 山西省交通规划勘察设计院有限公司 | Non-prestressed T-shaped beam with corrugated steel web |
| CN114575269A (en) * | 2022-03-18 | 2022-06-03 | 中铁工程设计咨询集团有限公司 | Cable-stayed bridge box girder and construction method thereof |
| CN115491940A (en) * | 2022-08-22 | 2022-12-20 | 中交第一公路勘察设计研究院有限公司 | Steel-concrete combined structure roadbed for freeway in frozen soil area and construction method |
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- 2013-02-25 CN CN 201320084057 patent/CN203128995U/en not_active Expired - Fee Related
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| CN103437273A (en) * | 2013-08-23 | 2013-12-11 | 邢台路桥千山桥梁构件有限责任公司 | Method for machining bottom box used for assembly-type steel box composite beam |
| CN103437273B (en) * | 2013-08-23 | 2015-06-17 | 邢台路桥千山桥梁构件有限责任公司 | Method for machining bottom box used for assembly-type steel box composite beam |
| CN103741577A (en) * | 2013-12-30 | 2014-04-23 | 郑州大学 | T-shaped beam bridge with lower flat connection and construction method of T-shaped beam bridge |
| CN103741577B (en) * | 2013-12-30 | 2015-08-12 | 郑州大学 | A kind of T-shaped beam bridge and construction method thereof that bottom lateral bracing is set |
| CN103866684A (en) * | 2014-04-08 | 2014-06-18 | 湖南大学 | Corrugated steel web combination ribbed beam and construction process thereof |
| CN104727213A (en) * | 2015-01-30 | 2015-06-24 | 邢台路桥交通设施有限公司 | Assembly type steel and concrete arch bridge T beam plate |
| CN104947851A (en) * | 2015-06-25 | 2015-09-30 | 肖林 | Corrugated steel baseplate and concrete composite beam |
| CN105064196A (en) * | 2015-07-29 | 2015-11-18 | 广西交通科学研究院 | Prefabricated and assembled fish-belly I-shaped prestressed steel-concrete composite simple supported girder bridge and construction method thereof |
| CN105064195A (en) * | 2015-07-29 | 2015-11-18 | 广西交通科学研究院 | Internal prestress steel and concrete combined simply supported girder bridge of prefabricated and assembled fish-bellied corrugated steel web and construction method thereof |
| CN105064195B (en) * | 2015-07-29 | 2017-07-11 | 广西交通科学研究院 | The fish belly Wavelike steel webplate prestressing with bond steel reinforced concrete combination simply supported girder bridge and its construction method of precast assembly |
| 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 |
| CN111005301A (en) * | 2019-12-25 | 2020-04-14 | 郑州市交通规划勘察设计研究院 | Assembled combined beam bridge and construction method thereof |
| CN112900228A (en) * | 2021-03-10 | 2021-06-04 | 山西省交通规划勘察设计院有限公司 | Non-prestressed T-shaped beam with corrugated steel web |
| CN114575269A (en) * | 2022-03-18 | 2022-06-03 | 中铁工程设计咨询集团有限公司 | Cable-stayed bridge box girder and construction method thereof |
| CN114575269B (en) * | 2022-03-18 | 2023-10-03 | 中铁工程设计咨询集团有限公司 | Cable-stayed bridge box girder and construction method thereof |
| CN115491940A (en) * | 2022-08-22 | 2022-12-20 | 中交第一公路勘察设计研究院有限公司 | Steel-concrete combined structure roadbed for freeway in frozen soil area and construction method |
| CN115491940B (en) * | 2022-08-22 | 2024-04-30 | 中交第一公路勘察设计研究院有限公司 | Highway steel-concrete combined structure roadbed in frozen soil area and construction method |
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