CN202899015U - Modular highway steel truss bridge - Google Patents
Modular highway steel truss bridge Download PDFInfo
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- CN202899015U CN202899015U CN 201220581598 CN201220581598U CN202899015U CN 202899015 U CN202899015 U CN 202899015U CN 201220581598 CN201220581598 CN 201220581598 CN 201220581598 U CN201220581598 U CN 201220581598U CN 202899015 U CN202899015 U CN 202899015U
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Abstract
The utility model discloses a modular highway steel truss bridge which comprises a left truss and a right truss. Two transverse beams are disposed between the left truss and the right truss. A plurality of longitudinal beams are disposed between the two transverse beams. Roadway reinforced concrete bridge decks are arranged on the transverse beams and the longitudinal beams by in-situ casting. Each of the left truss and the right truss comprises an upper chord, a lower chord, diagonals, upper chord joints and lower chord joints. The upper chord, lower chord and diagonals of a main truss are all made of H-beams which can be the same type and different specifications. Segments and parts of the bridge have consistent live load development balance coefficient. The main truss between the left and right trusses consists of an upper horizontal longitudinal connection, a lower horizontal longitudinal connection and a bridge portal frame. The bridge portal frame for transverse connection is disposed on piers and abutments of the bridge. The modular highway steel truss bridge has the advantages that the modular highway steel truss bridge is suitable for single-lane or double-lane steel bridge decks or reinforced concrete bridge decks and is especially suitable for serving as permanent and semi-permanent bridges with double-lane reinforced concrete bridge decks.
Description
Technical field
The utility model relates to a kind of modularization highway steel truss builds bridge, and particularly under the international existing general load, difference is striden the two-way traffic of footpath series, and the operation of installation erection construction is simple and easy, the modularization highway steel truss is built bridge easily.
Background technology
It is that a kind of factory makes bar element that the modularization highway steel truss is built bridge, and the detachable steel purlin bridge of assembly unit is carried out at the scene.
At present, steel structure bridge is main mainly with Box-girder Bridges both at home and abroad, and the assembly type steel bridge on highway of temporarily answering acute bridge to adopt shellfish thunder Component composition to become more.For striding the larger single, double track bridge in footpath, it obviously is uneconomic selecting box beam, and the Bailey beam bridge mainly is suitable for bicycle road, short-and-medium footpath and the little provisional emergency bridge of load of striding.
Summary of the invention
The purpose of this utility model is in overcoming, the long span footpath, satisfies under the international load, and the Operational requirements in single, double track provides a kind of permanent or semipermanent bridge.
The utility model is achieved through the following technical solutions: a kind of modularization highway steel truss is built bridge, it is characterized in that including left truss and right truss, between left truss and right truss, be provided with crossbeam, between two crossbeams, be provided with several longerons, cast-in-site roadway reinforced concrete bridge deck plate on crossbeam and longeron is characterized in that described left truss and right truss have included upper chord, lower chord, brace, node and lower-chord panel point wind up.
Aforesaid modularization highway steel truss is built bridge, and it is characterized in that: the upper chord of main truss, lower chord and brace adopt the same model but can be the H shaped steel of different size, and each sections of bridge, each position have more consistent mobile load development equalizing coefficient.
Aforesaid modularization highway steel truss is built bridge, and it is characterized in that: the upper chord of main truss and brace meet on the node that winds up.The node that winds up mainly is made of the fill plate of two that the are arranged in medial and lateral host node plates that wind up, upper chord, brace, the wing plate junction plate that winds up, the web that winds up connection web plate and a tectonism.The bridge end node that winds up has been set up end upper chord, brace-upper chord junction plate.
Aforesaid modularization highway steel truss is built bridge, and it is characterized in that: lower chord and the brace of main truss meet on the lower-chord panel point.Lower-chord panel point mainly is made of the fill plate of two lower edge host node plates that are arranged in medial and lateral, H type dividing plate, lower chord, brace, lower edge wing plate junction plate, lower edge web connection web plate and a tectonism.Bridge end lower-chord panel point has been set up H type seat board, end lower chord, end brace, brace-seat board junction plate.
Aforesaid modularization highway steel truss is built bridge, and it is characterized in that: the main truss bracing between left truss and the right truss is divided into flat vertical connection, lower flat vertical connection and portal frame.The upper and lower flat vertical connection of main couple is comprised of main truss chord member and the used diagonal web member of flat vertical connection structure, and the diagonal web member of upper and lower flat vertical connection all adopts " X " type staggered form web member system.Upper flat vertical connection comprises top bracing diagonal web member, the T-shaped plate of top bracing and top bracing backing plate, and lower flat vertical connection comprises bottom lateral bracing diagonal web member, the T-shaped plate of bottom lateral bracing and bottom lateral bracing junction plate.Be provided with the portal support of transverse splicing effect at bridge pier, Tai Chu, the portal support is comprised of stull and straight support.Straight support is used for connecting stull and top bracing diagonal web member.The top bracing diagonal web member adopts H shaped steel, and floor or T shape plate that the top bracing diagonal web member stretches out by the portal frame stull link to each other with the host node plate that winds up, and tamps with backing plate between the two top bracing diagonal web members that intersect.The bottom lateral bracing diagonal web member adopts angle steel, and the bottom lateral bracing diagonal web member links to each other with lower edge host node plate by T shape plate, and the two bottom lateral bracing diagonal web members that intersect connect with junction plate at infall.
Aforesaid modularization highway steel truss is built bridge, and it is characterized in that: bridge deck is comprised of end floor beam, crossbeam, longeron, end longeron, bracket and corresponding connecting elements.Crossbeam and longeron adopt " H " cross section entirely, are provided with WELDING STUDS on the crossbeam, and steel form is laid on longeron.Longeron is by establishing a pair of connecting angle at the longeron web plate with being connected of crossbeam, link to each other with cantilever diaphragm, establish a fish shape plate at longeron beam-ends top flange plate, link to each other with the crossbeam top flange plate, divide at longeron beam-ends bottom wing listrium and to put bracket, link to each other with cantilever diaphragm.Crossbeam links to each other with lower edge host node plate by the crossbeam end-plate.
Aforesaid modularization highway steel truss is built bridge, and it is characterized in that: roadway reinforced concrete bridge deck cast-in-site is on steel form.The side walk slab adopts precast rc slab.
Aforesaid modularization highway steel truss is built bridge, and it is characterized in that: at bridge pier, platform place fixed bearing or one-way movable support are set.Bridge pad is installed under the H type seat board of end lower-chord panel point.
The utility model has following advantage: bridge construction is simple and clear, and is handsome in appearance.By design, can realize easily the requirement of bridge prefabrication arch, promote the bridge quantity of operation.Component compatibility is good, is particularly suitable for factory and makes bar element, and the bridge of on-site consolidation is organized the manufacture characteristic of production and construction.The assembling technology is easy to learn, and assembly unit speed is fast.The Steel Bridge Deck or the reinforced concrete bridge deck that are suitable for single, double track are particularly useful for permanent, the semipermanent bridge of two-way traffic reinforced concrete bridge deck.
Description of drawings
Fig. 1 is a kind of modularization steel girder bridge of the utility model structural representation;
Fig. 2 is the main truss organigram of a kind of modularization steel girder bridge of the utility model;
Fig. 3 is the lower-chord panel point organigram of a kind of modularization steel girder bridge of the utility model;
Fig. 4 is the end lower-chord panel point organigram of a kind of modularization steel girder bridge of the utility model;
Fig. 5 is the centre of a kind of modularization steel girder bridge of the utility model joint structure schematic diagram that winds up;
Fig. 6 is the end of a kind of modularization steel girder bridge of the utility model joint structure schematic diagram that winds up;
Fig. 7 is the main truss bracing of a kind of modularization steel girder bridge of the utility model---upper flat vertical connection organigram;
Fig. 8 is the main truss bracing of a kind of modularization steel girder bridge of the utility model---lower flat vertical connection organigram;
Fig. 9 is longeron and the crossbeam connection diagram of a kind of modularization steel girder bridge of the utility model;
Among Fig. 1 to Fig. 9: upper chord 1, lower chord 2, brace 3, the host node plate 4 that winds up, the wing plate junction plate 5 that winds up, the web that winds up connects web plate 6, end upper chord 7, brace-upper chord junction plate 8, lower edge host node plate 9, H type dividing plate 10, lower edge wing plate junction plate 11, the lower edge web connects web plate 12, H type seat board 13, end lower chord 14, end brace 15, brace-seat board junction plate 16, stull 17 directly supports 18, top bracing diagonal web member 19, the T-shaped plate 20 of top bracing, top bracing backing plate 21, bottom lateral bracing diagonal web member 22, the T-shaped plate 23 of bottom lateral bracing, bottom lateral bracing junction plate 24, end floor beam 25, crossbeam 26, longeron 27, end longeron 28, bracket 29, steel form 30, bridge deck connecting angle 31, fish shape plate 32, roadway reinforced concrete bridge deck 33, the side walk slab 34, fixed bearing 35, freely movable bearing 36, left truss 37a, right truss 37b, node 38 winds up, lower-chord panel point 39, the end node 40 that winds up, end lower-chord panel point 41.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is elaborated:
As shown in Figure 1, a kind of modularization highway steel truss is built bridge, include left truss 37a and right truss 37b, between left truss 37a and right truss 37b, be provided with crossbeam 26, between two crossbeams 26, be provided with several longerons 27, cast-in-site roadway reinforced concrete bridge deck plate 33 on crossbeam 26 and longeron 27.Described left truss 37a and right truss 37b have included upper chord 1, lower chord 2, brace 3, node 38 and lower-chord panel point 39 wind up.
As shown in Figure 2, left truss 37a and right truss 37b are comprised of upper chord 1, lower chord 2, brace 3 and gusset plate.The upper chord 1 of main truss, lower chord 2 and brace 3 adopt the same model but can be the H shaped steel of different size, and each sections of bridge, each position have more consistent mobile load development equalizing coefficient.
As shown in Figure 3, the lower chord 2 of main truss meets on the lower-chord panel point 39 with brace 3.Lower-chord panel point 39 mainly connects web plate 12 by two lower edge host node plates 9 that are arranged in medial and lateral, H type dividing plate 10, lower chord 2, brace 3, lower edge wing plate junction plate 11, lower edge web and consists of.As shown in Figure 4, bridge end lower-chord panel point 41 has been set up H type seat board 13, end lower chord 14, end brace 15, brace-seat board junction plate 16.
As shown in Figure 5, the upper chord 1 of main truss meets on the node 38 that winds up with brace 3.The node 38 that winds up mainly connects web plate 6 by two that the are arranged in medial and lateral host node plates 4 that wind up, upper chord 1, brace 3, the wing plate junction plate 5 that winds up, the web that winds up and consists of.As shown in Figure 6, wind up in the bridge end, and node 40 has been set up end upper chord 7, brace-junction plate 8 winds up.
Main truss bracing between left truss 37a and the right truss 37b is divided into flat vertical connection, lower flat vertical connection and portal frame.The upper and lower flat vertical connection of main couple is comprised of main truss chord member and the used diagonal web member of flat vertical connection structure, and the diagonal web member of upper and lower flat vertical connection all adopts " X " type staggered form web member system.Be provided with the portal frame of transverse splicing effect at bridge pier, Tai Chu, as shown in Figure 7, portal frame by stull 17, directly support 18 and form.Straight support 18 is used for connecting stull 17 and top bracing diagonal web member 19.Top bracing web member 19 all adopts H shaped steel, and floor or T shape plate 20 that top bracing diagonal web member 19 stretches out by portal stull 17 link to each other with the host node plate 4 that winds up, and tamps with backing plate 21 between the two top bracing diagonal web members 19 that intersect.As shown in Figure 8, bottom lateral bracing diagonal web member 22 adopts angle steel, and bottom lateral bracing diagonal web member 22 links to each other with lower edge host node plate 9 by T shape plate 23, and the two bottom lateral bracing diagonal web members 22 that intersect connect with junction plate 24 at infall.
Roadway reinforced concrete bridge deck 33 cast-in-sites are on steel form 29.Side walk slab 34 adopts precast rc slab.
At bridge pier, platform place fixed bearing 35 or one-way movable support 36 are set.Bridge pad is installed in the H type seat board 13 times of end lower-chord panel point 41.
Claims (6)
1. a modularization highway steel truss is built bridge, it is characterized in that including left truss (37a) and right truss (37b), between left truss (37a) and right truss (37b), be provided with crossbeam (26), between two crossbeams (26), be provided with several longerons (27), at crossbeam (26) and the upper cast-in-site roadway reinforced concrete bridge deck plate (33) of longeron (27), described left truss (37a) and right truss (37b) have included upper chord (1), lower chord (2), brace (3), the node that winds up (38) and lower-chord panel point (39); The upper chord of main truss (1), lower chord (2) and brace (3) adopt the same model but can be the H shaped steel of different size, and each sections of bridge, each position have more consistent mobile load development equalizing coefficient.
2. modularization highway steel truss according to claim 1 is built bridge, it is characterized in that: the upper chord of main truss (1) meets on the node that winds up (38) with brace (3), and the node that winds up (38) mainly connects web plate (6) by two that the are arranged in medial and lateral host node plates (4) that wind up, upper chord (1), brace (3), the wing plate junction plate (5) that winds up, the web that winds up and consists of; The bridge end node (40) that winds up has been set up end upper chord (7), brace-upper chord junction plate (8).
3. according to claim 1,2 described modularization highway steel truss build bridge, it is characterized in that: the lower chord of main truss (2) meets on the lower-chord panel point (39) with brace (3); Lower-chord panel point (39) mainly connects web plate (12) by two the lower edge host node plates (9) that are arranged in medial and lateral, H type dividing plate (10), lower chord (2), brace (3), lower edge wing plate junction plate (11), lower edge web and consists of; Bridge end lower-chord panel point (41) has been set up H type seat board (13), end lower chord (14), end brace (15), brace-seat board junction plate (16).
4. modularization highway steel truss according to claim 1 is built bridge, and it is characterized in that: the main truss bracing between left truss (37a) and the right truss (37b) is divided into flat vertical connection, lower flat vertical connection and portal frame; The upper and lower flat vertical connection of main couple is comprised of main truss chord member and the used diagonal web member of flat vertical connection structure, and the diagonal web member of upper and lower flat vertical connection all adopts " X " type staggered form web member system; Upper flat vertical connection comprises top bracing diagonal web member (19), the T-shaped plate of top bracing (20) and top bracing backing plate (21), and lower flat vertical connection comprises bottom lateral bracing diagonal web member (22), the T-shaped plate of bottom lateral bracing (23) and bottom lateral bracing junction plate (24); Be provided with the portal support of transverse splicing effect at bridge pier, Tai Chu, the portal support is comprised of stull (17) and straight support (18); Straight support (18) is used for connecting stull (17) and top bracing diagonal web member (19); Top bracing diagonal web member (19) adopts H shaped steel, and floor or T shape plate that top bracing diagonal web member (19) stretches out by portal frame stull (17) link to each other with the host node plate that winds up, and tamps with backing plate between the two top bracing diagonal web members (19) that intersect; Bottom lateral bracing diagonal web member (22) adopts angle steel, and bottom lateral bracing diagonal web member (22) links to each other with lower edge host node plate (9) by T shape plate (23), and the two bottom lateral bracing diagonal web members (22) that intersect connect with junction plate at infall.
5. modularization highway steel truss according to claim 1 is built bridge, it is characterized in that: end floor beam (25), crossbeam (26) and longeron (27), end longeron (28) all adopt " H " cross section, crossbeam is provided with WELDING STUDS on (26), and steel form is laid on longeron (27); Longeron (27) is by establishing a pair of connecting angle (31) at longeron (27) web plate with being connected of crossbeam (26), link to each other with crossbeam (26) web, establish a fish shape plate (32) at longeron (27) beam-ends top flange plate, link to each other with crossbeam (26), divide at longeron (27) beam-ends bottom wing listrium and to put bracket (29), link to each other with crossbeam (26) web; Crossbeam (26) links to each other with lower edge host node plate (9) by the crossbeam end-plate.
6. modularization highway steel truss according to claim 1 is built bridge, and it is characterized in that: roadway reinforced concrete bridge deck (33) cast-in-site is on steel form (30); Side walk slab (34) adopts precast rc slab.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220581598 CN202899015U (en) | 2012-11-07 | 2012-11-07 | Modular highway steel truss bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220581598 CN202899015U (en) | 2012-11-07 | 2012-11-07 | Modular highway steel truss bridge |
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| CN202899015U true CN202899015U (en) | 2013-04-24 |
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| CN 201220581598 Expired - Fee Related CN202899015U (en) | 2012-11-07 | 2012-11-07 | Modular highway steel truss bridge |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104818666A (en) * | 2015-04-29 | 2015-08-05 | 镇江长城重工科技有限公司 | Large-span steel temporary bridge |
| CN105735129A (en) * | 2016-02-26 | 2016-07-06 | 江苏中铁山桥重工有限公司 | Full-welding truss section modularized splicing method |
| CN107542032A (en) * | 2017-04-25 | 2018-01-05 | 江苏沪宁钢机股份有限公司 | A kind of safety-type bolt steel girder bridge and its construction technology |
| CN109024226A (en) * | 2018-09-05 | 2018-12-18 | 上海市城市建设设计研究总院（集团）有限公司 | Using the steel girder bridge joint structure and construction method of rivet interlacement |
| CN109024101A (en) * | 2018-08-06 | 2018-12-18 | 中铁工程设计咨询集团有限公司 | A kind of cross-saddle single-track traffic two-wire continuous truss track beam structure |
| CN109306655A (en) * | 2018-10-25 | 2019-02-05 | 中信国安建工集团有限公司 | A kind of steelframe bridge structure and construction method quickly spliced |
| CN109440625A (en) * | 2018-12-07 | 2019-03-08 | 中交公路规划设计院有限公司 | Steel reinforced concrete combines continuous rigid frame steel truss girder bridge |
| CN109811653A (en) * | 2019-02-27 | 2019-05-28 | 中铁大桥勘测设计院集团有限公司 | A kind of Multi-point supporting integrated deck system |
| CN111576182A (en) * | 2020-04-01 | 2020-08-25 | 广东省建筑设计研究院 | I-shaped truss girder, truss girder bridge and construction method |
| CN113981796A (en) * | 2021-09-18 | 2022-01-28 | 中铁第一勘察设计院集团有限公司 | Recyclable movable trestle |
-
2012
- 2012-11-07 CN CN 201220581598 patent/CN202899015U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104818666A (en) * | 2015-04-29 | 2015-08-05 | 镇江长城重工科技有限公司 | Large-span steel temporary bridge |
| CN105735129A (en) * | 2016-02-26 | 2016-07-06 | 江苏中铁山桥重工有限公司 | Full-welding truss section modularized splicing method |
| CN107542032A (en) * | 2017-04-25 | 2018-01-05 | 江苏沪宁钢机股份有限公司 | A kind of safety-type bolt steel girder bridge and its construction technology |
| CN109024101A (en) * | 2018-08-06 | 2018-12-18 | 中铁工程设计咨询集团有限公司 | A kind of cross-saddle single-track traffic two-wire continuous truss track beam structure |
| CN109024226A (en) * | 2018-09-05 | 2018-12-18 | 上海市城市建设设计研究总院（集团）有限公司 | Using the steel girder bridge joint structure and construction method of rivet interlacement |
| CN109306655A (en) * | 2018-10-25 | 2019-02-05 | 中信国安建工集团有限公司 | A kind of steelframe bridge structure and construction method quickly spliced |
| CN109440625A (en) * | 2018-12-07 | 2019-03-08 | 中交公路规划设计院有限公司 | Steel reinforced concrete combines continuous rigid frame steel truss girder bridge |
| CN109440625B (en) * | 2018-12-07 | 2022-03-08 | 中交公路规划设计院有限公司 | Steel-concrete combined continuous rigid frame steel truss bridge |
| CN109811653A (en) * | 2019-02-27 | 2019-05-28 | 中铁大桥勘测设计院集团有限公司 | A kind of Multi-point supporting integrated deck system |
| CN111576182A (en) * | 2020-04-01 | 2020-08-25 | 广东省建筑设计研究院 | I-shaped truss girder, truss girder bridge and construction method |
| CN113981796A (en) * | 2021-09-18 | 2022-01-28 | 中铁第一勘察设计院集团有限公司 | Recyclable movable trestle |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130424 Termination date: 20181107 |