CN103243636A - Spatial panel point structure of steel truss and web PC (poly carbonate) combined bridge and construction method of spatial panel point - Google Patents
Spatial panel point structure of steel truss and web PC (poly carbonate) combined bridge and construction method of spatial panel point Download PDFInfo
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- CN103243636A CN103243636A CN2013101563752A CN201310156375A CN103243636A CN 103243636 A CN103243636 A CN 103243636A CN 2013101563752 A CN2013101563752 A CN 2013101563752A CN 201310156375 A CN201310156375 A CN 201310156375A CN 103243636 A CN103243636 A CN 103243636A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 163
- 239000010959 steel Substances 0.000 title claims abstract description 163
- 238000010276 construction Methods 0.000 title claims abstract description 9
- 229920000515 polycarbonate Polymers 0.000 title abstract 6
- 239000004417 polycarbonate Substances 0.000 title abstract 6
- 210000001015 abdomen Anatomy 0.000 claims description 78
- 238000003466 welding Methods 0.000 claims description 28
- 210000002435 tendon Anatomy 0.000 claims description 15
- 230000010412 perfusion Effects 0.000 claims description 3
- 239000003351 stiffener Substances 0.000 description 23
- 238000012423 maintenance Methods 0.000 description 4
- 230000002929 anti-fatigue Effects 0.000 description 3
- 238000010422 painting Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
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Abstract
The invention relates to a spatial panel point structure of a steel truss and web PC (poly carbonate) combined bridge and a construction method of the spatial panel point. An embedded plate is embedded in concrete at a panel point of the spatial panel point structure of the steel truss and web PC combined bridge and connected with two steel truss and web pipes forming a 90-degree include angle and comprises two welded-together rectangular steel plates and at least two triangular reinforced steel plates, the triangular reinforced steel plates are welded to the inner sides of the rectangular steel plates forming a 90-degree included angle, and ends of the two steel truss and web pipes are respectively welded to the outer sides of the two rectangular steel plates. By the spatial panel point structure of the steel truss and web PC combined bridge, the problem about stress concentration and single function can be sufficiently solved.
Description
Technical field
The present invention relates to node structure and the construction method thereof of steel purlin abdomen PC combined bridge.
Background technology
The node that present steel purlin abdomen PC combined bridge adopts mainly is to bury horizontal built-in fitting underground on top board, underplate concrete surface, utilizes built-in fitting end face steel plate welding purlin abdomen steel pipe.For example, application number is 201010573787.2 Chinese invention patent, and it discloses a kind of steel sheath form steel purlin uromere point structure, and the node place is provided with two purlin abdomen steel pipes, horizontal steel plate and oblique steel sheaths; Described horizontal steel plate is parallel with top board or base plate, opens two ellipse holes on the horizontal steel plate, inserts and weld two oblique steel sheaths in the hole; At direction across bridge, described two purlin abdomen steel pipes insert oblique steel sheath respectively, being " people " font arranges in opposite directions, vertically cut respectively the intersection, cut surface welding steel respectively seals, prepared screw-bolt hole and run through reinforced hole on the steel plate, the steel plate of two steel pipes is riveted together by plain bolt, and two purlin abdomen steel pipes are connected as a single entity at direction across bridge.Yet there is following problem in this structure: 1, purlin abdomen steel pipe and embedded board out of plumb, and stressed relatively poor; 2, joint structure complexity exists welding residual stress and stress concentration phenomenon; 3, painting anticorrosion requires height, later maintenance expense height; 4, on-site installation work amount is big, and cost is higher.
Summary of the invention
The objective of the invention is to propose a kind of steel purlin abdomen PC combined bridge space nodes structure, it can solve purlin abdomen steel pipe and embedded board out of plumb, and is stressed relatively poor, and there is the problem of welding residual stress and stress concentration phenomenon in the joint structure complexity.
In order to achieve the above object, the technical solution adopted in the present invention is as follows:
Steel purlin abdomen PC combined bridge space nodes structure, be embedded with pre-buried plate in the concrete at its node place, pre-buried plate is connected with two purlin abdomen steel pipes, the angle of two purlin abdomen steel pipes is 90 °, described pre-buried plate comprises two block weldings rectangular steel plates and the twice triangle steel plate of putting more energy at least together, the put more energy into medial surface welding of steel plate and rectangular steel plates of triangle, the angle of two rectangular steel plates is 90 °, the end of two purlin abdomen steel pipes respectively with the lateral surface welding of two rectangular steel plates.
Preferably, have the location inner catheter in the end of purlin abdomen steel pipe, the location inner catheter also welds with rectangular steel plates.Further preferred, described purlin abdomen steel pipe be applied with prestressing tendon on the abdomen steel pipe of purlin, and the anchor head of prestressing tendon is fixed on the medial surface of rectangular steel plates as depression bar.Further preferred, for anticorrosion, rectangular steel plates and triangle are put more energy into and are perfused with concrete in the space that steel plate is connected to form.
Purlin abdomen steel pipe the invention allows for a kind of construction method of realizing above-mentioned steel purlin abdomen PC combined bridge space nodes structure, and it may further comprise the steps:
A, build top board, underplate concrete, and in the concrete at node place pre-buried plate;
B, by pre-buried plate welding purlin abdomen steel pipe; Be specially, pre-buried plate is connected with two purlin abdomen steel pipes, the angle of two purlin abdomen steel pipes is 90 °, described pre-buried plate comprises two block weldings rectangular steel plates and the twice triangle steel plate of putting more energy at least together, the put more energy into medial surface welding of steel plate and rectangular steel plates of triangle, the angle of two rectangular steel plates is 90 °, the end of two purlin abdomen steel pipes respectively with the welding of the lateral surface of two rectangular steel plates.
Preferably, by calculating, when purlin abdomen steel pipe during as depression bar, then be applied with prestressing tendon at purlin abdomen steel pipe, and the anchor head of prestressing tendon is fixed on the medial surface of rectangular steel plates, after treating that prestressing tendon stretch-draw finishes, concrete perfusion in rectangular steel plates and triangle are put more energy into the space that steel plate is connected to form is to seal.
The present invention has following beneficial effect:
1, abdomen steel pipe in purlin is vertical with pre-buried plate, and is stressed good; 2, joint structure is simple, unstressed concentration phenomenon; 3, node is imbedded in the concrete, and no painting anticorrosion requirement need not the later maintenance expense; 4, on-site installation work amount is little, and cost is lower; 5, PBL key shear-carrying capacity is big, and anti-fatigue performance is good.
Can solve fully that node stress is concentrated, function singleness, not need extra painting anticorrosion safeguard measure, anti-fatigue performance good, the integral rigidity height, reduce site operation workload, accelerating construction progress.
Description of drawings
Fig. 1 is the structural representation of the steel purlin abdomen PC combined bridge space nodes structure of the embodiment of the invention one;
Fig. 2 is the A-A line sectional view of Fig. 1;
Fig. 3 is the B-B line sectional view of Fig. 1;
Fig. 4 is for being the structural representation of the steel purlin abdomen PC combined bridge space nodes structure of the embodiment of the invention two;
Fig. 5 is the C-C line sectional view of Fig. 4;
Fig. 6 is the structural representation of the steel purlin abdomen PC combined bridge space nodes structure of the embodiment of the invention three;
Fig. 7 is the D-D line sectional view of Fig. 6.
Reference numeral: 1, rectangular steel plates; 2, the triangle steel plate of putting more energy into; 3, purlin abdomen steel pipe; 4, anchor head; 5, location inner catheter; 6, purlin abdomen steel pipe; 7, PBL shear connector; 8, PBL stiffener in length and breadth; 9, PBL stiffener; 10, top panel; 11, movable inner catheter; 12, purlin abdomen steel pipe; 13, semicircle stiffener; 14, PBL shear connector; 15, PBL stiffener in length and breadth; 16, top panel.
The specific embodiment
Below, by reference to the accompanying drawings and the specific embodiment, the present invention is described further.
Embodiment one
As shown in Figure 1 to Figure 3, a kind of steel purlin abdomen PC combined bridge space nodes structure is embedded with pre-buried plate in the concrete at its node place, and pre-buried plate is connected with two purlin abdomen steel pipes 3, and the angle of two purlin abdomen steel pipes 3 is 90 °.Described pre-buried plate comprises two block weldings rectangular steel plates 1 and the twice triangle steel plate 2 of putting more energy at least together, the put more energy into medial surface welding of steel plate 2 and rectangular steel plates 1 of triangle, and the angle of two rectangular steel plates 1 is 90 °.The end of two purlin abdomen steel pipes 3 respectively with the welding of the lateral surface of two rectangular steel plates 1.Have location inner catheter 5 in the end of purlin abdomen steel pipe 3, location inner catheter 5 also welds with rectangular steel plates 1, and location inner catheter 5 plays the role of positioning.When by after calculating, determine that purlin abdomen steel pipe 3 as depression bar, then is applied with prestressing tendon at purlin abdomen steel pipe 3, and the anchor head 4 of prestressing tendon is fixed on the medial surface of rectangular steel plates 1.Rectangular steel plates 1 and triangle are put more energy into and are perfused with concrete in the space that steel plate 2 is connected to form.
Present embodiment has also proposed a kind of construction method of realizing the steel purlin abdomen PC combined bridge space nodes structure of present embodiment, and it may further comprise the steps:
A, build top board, underplate concrete, and in the concrete at node place pre-buried plate;
B, by pre-buried plate welding purlin abdomen steel pipe; Be specially, pre-buried plate is connected with two purlin abdomen steel pipes, the angle of two purlin abdomen steel pipes is 90 °, described pre-buried plate comprises two block weldings rectangular steel plates and the twice triangle steel plate of putting more energy at least together, the put more energy into medial surface welding of steel plate and rectangular steel plates of triangle, the angle of two rectangular steel plates is 90 °, the end of two purlin abdomen steel pipes respectively with the welding of the lateral surface of two rectangular steel plates.By calculating, when purlin abdomen steel pipe 3 during as depression bar, then be applied with prestressing tendon at purlin abdomen steel pipe 3, and the anchor head 4 of prestressing tendon is fixed on the medial surface of rectangular steel plates 1, after treating that prestressing tendon stretch-draw finishes, concrete perfusion in rectangular steel plates 1 and triangle are put more energy into the space that steel plate 2 is connected to form to seal, reaches later stage corrosion-resistant purpose.Described calculating need be carried out according to the real data of bridge, is the technology that those skilled in the art grasp.
Embodiment two
As shown in Figure 4 and Figure 5, a kind of steel purlin abdomen PC combined bridge space nodes structure, be embedded with pre-buried plate in the concrete at its node place, the pre-buried plate PBL stiffener 9(outer with being positioned at concrete refers to the perforate stiffener, be called for short the PBL stiffener, be connected with two purlin abdomen steel pipes 6 down together), described pre-buried plate comprises PBL shear connector 7 and multiple tracks PBL stiffener 8 in length and breadth, the top panel 10 of PBL shear connector 7 is plane steel plate, the top panel 10 of PBL shear connector 7 is concordant with concrete end face, PBL stiffener 8 in length and breadth welds with a side of the top panel 10 of PBL shear connector 7, the another side welding of the end of purlin abdomen steel pipe 6 and the top panel 10 of PBL shear connector 7, the angle of two purlin abdomen steel pipes 6 is
90 °, PBL stiffener 9 be welded between the top panel 10 of purlin abdomen steel pipe 6 and PBL shear connector 7 and two purlin abdomen steel pipes 6 between.In the described purlin abdomen steel pipe 6 movable inner catheter 11 is installed.In order to strengthen tautness, stiffener 8 is fixing with top panel 10 in length and breadth can to utilize the weldering nail to make PBL.
PBL has perforate on the stiffener 8 in length and breadth, and it is closely knit to be conducive to concrete vibrating.
Embodiment three
As shown in Figure 6 and Figure 7, a kind of steel purlin abdomen PC combined bridge space nodes structure, be embedded with pre-buried plate in the concrete at its node place, the pre-buried plate semicircle stiffener 13 outer with being positioned at concrete is connected, semicircle stiffener 13 is connected with two purlin abdomen steel pipes 12, described pre-buried plate comprises PBL shear connector 14 and multiple tracks PBL stiffener 15 in length and breadth, the top panel 16 of PBL shear connector 14 is plane steel plate, the top panel 16 of PBL shear connector 14 is concordant with concrete end face, PBL stiffener 15 in length and breadth welds with a side of the top panel 16 of PBL shear connector 14, semicircle stiffener 13 welds with the another side of the top panel 16 of PBL shear connector 14, the end of purlin abdomen steel pipe 12 and 13 welding of semicircle stiffener, the angle of two purlin abdomen steel pipes 12 is 65 °, and the center of circle of semicircle stiffener 13 is positioned on the axis of two purlin abdomen steel pipes 12.Has the gap between purlin abdomen steel pipe 12 and the semicircle stiffener 13.In order to strengthen tautness, stiffener 15 is fixing with top panel 16 in length and breadth can to utilize the weldering nail to make PBL.
PBL has perforate on the stiffener 15 in length and breadth, and it is closely knit to be conducive to concrete vibrating.
Above-described embodiment is compared with traditional node structure, has following advantage: 1, abdomen steel pipe in purlin is vertical with pre-buried plate, and is stressed clear and definite; 2, the node anti-fatigue performance is good; 3, node is embedded in the concrete, has solved problems such as anticorrosion maintenance of later stage, effectively reduces the later maintenance cost, has improved structure durability; 4, the space content of utilizing the welding of node and stiffener to form is received stretch-draw end anchor head assembly, has solved the function singleness problem of present node.
For a person skilled in the art, can make other various corresponding changes and distortion according to technical scheme described above and design, and these all changes and distortion should belong within the protection domain of claim of the present invention all.
Claims (6)
1. steel purlin abdomen PC combined bridge space nodes structure, it is characterized in that, be embedded with pre-buried plate in the concrete at node place, pre-buried plate is connected with two purlin abdomen steel pipes, the angle of two purlin abdomen steel pipes is 90 °, described pre-buried plate comprises two block weldings rectangular steel plates and the twice triangle steel plate of putting more energy at least together, the put more energy into medial surface welding of steel plate and rectangular steel plates of triangle, the angle of two rectangular steel plates is 90 °, the end of two purlin abdomen steel pipes respectively with the welding of the lateral surface of two rectangular steel plates.
2. steel as claimed in claim 1 purlin abdomen PC combined bridge space nodes structure is characterized in that having the location inner catheter in the end of purlin abdomen steel pipe, and the location inner catheter also welds with rectangular steel plates.
3. steel as claimed in claim 2 purlin abdomen PC combined bridge space nodes structure is characterized in that described purlin abdomen steel pipe be applied with prestressing tendon on the abdomen steel pipe of purlin, and the anchor head of prestressing tendon is fixed on the medial surface of rectangular steel plates as depression bar.
4. steel as claimed in claim 3 purlin abdomen PC combined bridge space nodes structure is characterized in that, rectangular steel plates and triangle are put more energy into and be perfused with concrete in the space that steel plate is connected to form.
5. the construction method of steel purlin abdomen PC combined bridge monolithic node structure is characterized in that, may further comprise the steps:
Build top board, underplate concrete, and in the concrete at node place pre-buried plate;
By pre-buried plate welding purlin abdomen steel pipe; Be specially, pre-buried plate is connected with two purlin abdomen steel pipes, the angle of two purlin abdomen steel pipes is 90 °, described pre-buried plate comprises two block weldings rectangular steel plates and the twice triangle steel plate of putting more energy at least together, the put more energy into medial surface welding of steel plate and rectangular steel plates of triangle, the angle of two rectangular steel plates is 90 °, the end of two purlin abdomen steel pipes respectively with the welding of the lateral surface of two rectangular steel plates.
6. the construction method of steel as claimed in claim 5 purlin abdomen PC combined bridge space nodes structure, it is characterized in that, by calculating, when purlin abdomen steel pipe during as depression bar, then be applied with prestressing tendon at purlin abdomen steel pipe, and the anchor head of prestressing tendon is fixed on the medial surface of rectangular steel plates, treat that prestressing tendon stretch-draw finishes after, concrete perfusion in rectangular steel plates and triangle are put more energy into the space that steel plate is connected to form is to seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310156375.2A CN103243636B (en) | 2013-04-28 | 2013-04-28 | Spatial panel point structure of steel truss and web PC (poly carbonate) combined bridge and construction method of spatial panel point |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310156375.2A CN103243636B (en) | 2013-04-28 | 2013-04-28 | Spatial panel point structure of steel truss and web PC (poly carbonate) combined bridge and construction method of spatial panel point |
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| Publication Number | Publication Date |
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| CN103243636A true CN103243636A (en) | 2013-08-14 |
| CN103243636B CN103243636B (en) | 2015-04-01 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104583496A (en) * | 2014-02-14 | 2015-04-29 | 李勇 | Truss element method without chord members and combined node bridge |
| CN104846751A (en) * | 2015-05-19 | 2015-08-19 | 河南省交通规划勘察设计院有限责任公司 | Anti-fatigue reinforcing device for concrete filled steel pipe truss structure nodes and construction method thereof |
| 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 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3866194B2 (en) * | 2002-12-20 | 2007-01-10 | 株式会社ハルテック | Grade structure of steel truss web PC bridge |
| CN101831868A (en) * | 2010-05-07 | 2010-09-15 | 同济大学 | Connecting node structure of steel rod elements and concrete plate |
| CN102031750A (en) * | 2010-12-04 | 2011-04-27 | 江苏省交通科学研究院股份有限公司 | Node structure of T-PBL (T-Perfobond Leiste) form of steel truss web member and concrete |
| CN102839606A (en) * | 2012-04-26 | 2012-12-26 | 中国十七冶集团有限公司 | Method for pouring concrete in steel tube of steel truss-web box girder |
| CN203174492U (en) * | 2013-04-28 | 2013-09-04 | 李勇 | Space node structure of steel truss web PC combination bridge |
-
2013
- 2013-04-28 CN CN201310156375.2A patent/CN103243636B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3866194B2 (en) * | 2002-12-20 | 2007-01-10 | 株式会社ハルテック | Grade structure of steel truss web PC bridge |
| CN101831868A (en) * | 2010-05-07 | 2010-09-15 | 同济大学 | Connecting node structure of steel rod elements and concrete plate |
| CN102031750A (en) * | 2010-12-04 | 2011-04-27 | 江苏省交通科学研究院股份有限公司 | Node structure of T-PBL (T-Perfobond Leiste) form of steel truss web member and concrete |
| CN102839606A (en) * | 2012-04-26 | 2012-12-26 | 中国十七冶集团有限公司 | Method for pouring concrete in steel tube of steel truss-web box girder |
| CN203174492U (en) * | 2013-04-28 | 2013-09-04 | 李勇 | Space node structure of steel truss web PC combination bridge |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104583496A (en) * | 2014-02-14 | 2015-04-29 | 李勇 | Truss element method without chord members and combined node bridge |
| CN104583496B (en) * | 2014-02-14 | 2016-06-01 | 李勇 | Without chord member purlin unit's method and built-up type node bridge |
| CN104846751A (en) * | 2015-05-19 | 2015-08-19 | 河南省交通规划勘察设计院有限责任公司 | Anti-fatigue reinforcing device for concrete filled steel pipe truss structure nodes and construction method thereof |
| CN104846751B (en) * | 2015-05-19 | 2016-05-11 | 河南省交通规划设计研究院股份有限公司 | For antifatigue bracing means and the construction method of steel pipe concrete truss structure node |
| 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 |
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| CN103243636B (en) | 2015-04-01 |
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Inventor after: Li Yong Inventor after: Du Hongbiao Inventor after: Wang Zhongwen Inventor after: Zhou Zhixiang Inventor after: Huang Linchong Inventor before: Li Yong Inventor before: Zhang Jiandong Inventor before: Sun Tianming Inventor before: Li Min Inventor before: Shi Ming Inventor before: Li Hai |
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Effective date of registration: 20171214 Address after: 518110 Guangdong Province, Shenzhen city Longhua District People Street East Building 1322 Tiande Co-patentee after: Zhaoqing Bridge Design & Research Institute Co.,Ltd. Patentee after: SHENZHEN QIAOBO DESIGN & RESEARCH INSTITUTE Co.,Ltd. Address before: 518036 Guangdong city of Shenzhen province Futian District Meihua road Duoli Technology Building Room 1003 Patentee before: Li Yong |
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Effective date of registration: 20240612 Address after: 518060 No. 3688 Nanhai Road, Shenzhen, Guangdong, Nanshan District Patentee after: SHENZHEN University Country or region after: China Patentee after: SHENZHEN QIAOBO DESIGN & RESEARCH INSTITUTE Co.,Ltd. Address before: 518110 1322 Dongfang Tiande Building, Minzhi Street, Longhua District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN QIAOBO DESIGN & RESEARCH INSTITUTE Co.,Ltd. Country or region before: China Patentee before: Zhaoqing Bridge Design & Research Institute Co.,Ltd. |