CN204000567U - Precast combined steel bridge member - Google Patents

Precast combined steel bridge member Download PDF

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Publication number
CN204000567U
CN204000567U CN201420461704.4U CN201420461704U CN204000567U CN 204000567 U CN204000567 U CN 204000567U CN 201420461704 U CN201420461704 U CN 201420461704U CN 204000567 U CN204000567 U CN 204000567U
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China
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iron
steel
cylinder
steel pipe
bridge
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Active
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CN201420461704.4U
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Chinese (zh)
Inventor
朱连吉
熊春燕
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Renqiu Yongji Construction and Installation Engineering Co Ltd
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Renqiu Yongji Construction and Installation Engineering Co Ltd
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Abstract

The utility model relates to a kind of precast combined steel bridge member, this member comprises i iron 1,2 and 3, cylinder steel pipe 4, auxiliary steel plate 5 and 6, the i iron 1 that surrounding setting connects by cylinder steel pipe 4 or i iron 1,3 form hollow structure, middle radial i iron 2 centered by cylinder steel pipe 4, the other end of i iron 2 and cylinder steel pipe 4 connections that are connected i iron 1 or i iron 1,3 are set; Between i iron 1,2,3, by welding, assist steel plate 5 to connect, cylinder steel pipe 4 assists steel plate 6 to be connected with i iron 1,2,3 by welding.Its simplicity of design, Stability Analysis of Structures, is combined into liftable steel bridge by reliable connected mode, alleviates urban traffic pressure.

Description

Precast combined steel bridge member
Technical field
The utility model relates to bridge field, and particularly a kind of precast combined steel bridge member, is mainly used in liftable precast combined steel bridge.
Background technology
Along with the quickening of urbanization process, enter the people who settles down in city more and more many, urban traffic blocking is startling.How to alleviate the pressure of urban traffic anxiety, and then realize urban road construction and also can catch up with the express of economic development, this is a very outstanding contradiction and problems.In order effectively to alleviate urban traffic pressure, improve urban road situation, designed a kind of liftable precast combined steel bridge.Bridge is divided according to loading characteristic, comprises beam bridge, arch formula bridge, level bridges, suspension bridge, five kinds of fundamental types of combined system birdge (cable stayed bridge).Liftable precast combined steel bridge, by shop-fabricated steel bridge member, is transported to on-the-spot installation and obtains.Therefore, the utility model provides a kind of precast combined steel bridge member, is mainly used in liftable steel bridge, its simplicity of design, and Stability Analysis of Structures, is combined into liftable steel bridge by reliable connected mode, alleviates urban traffic pressure.
Utility model content
The technical problems to be solved in the utility model is, for liftable steel bridge, provides a kind of precast combined steel bridge member, its simplicity of design, and Stability Analysis of Structures, is combined into liftable steel bridge by reliable connected mode, alleviates urban traffic pressure.
The utility model solves the technical scheme that its technical problem adopts: precast combined steel bridge member, this member comprises i iron 1,2 and 3, cylinder steel pipe 4, auxiliary steel plate 5 and 6, the i iron 1 that surrounding setting connects by cylinder steel pipe 4 or i iron 1,3 form hollow structure, middle radial i iron 2 centered by cylinder steel pipe 4, the other end of i iron 2 and cylinder steel pipe 4 connections that are connected i iron 1 or i iron 1,3 are set; Between i iron 1,2,3, by welding, assist steel plate 5 to connect, cylinder steel pipe 4 assists steel plate 6 to be connected with i iron 1,2,3 by welding.
Described i iron 1,2 and 3, adopts steel of the same race, and the edge of a wing, two ends need to cut into respectively difformity according to connecting, and i iron 1 is fusiformis, and two ends are all connected with 1/8th circular arcs of cylinder steel pipe 4; I iron 2 is flechette-type, and arrow end is connected with 1/8th circular arcs of cylinder steel pipe 4, and arrow tail end is connected with the quadrant arc of cylinder steel pipe 4; It is trapezoidal that i iron 3 is class, and two ends are all connected with the quadrant arc of cylinder steel pipe 4.
Described cylinder steel pipe 4, by welding steel and steel pipe two ends, forms airtight hollow cylinder.
Described auxiliary steel plate 5, the steel plate of employing and i iron material of the same race, height is identical with i iron 1,2,3, and width is consistent with the edge of a wing hypotenuse width of i iron 1,2,3 respectively, two blocks of auxiliary steel plates 5 are set between every two i iron, are convenient to being welded to connect between i iron.
Described auxiliary steel plate 6, curved, adopt the steel plate with i iron material of the same race, height is identical with i iron 1,2,3, the external diameter of cylinder steel pipe 4 of take is internal diameter, arc length is consistent with the arc length of i iron and cylinder steel pipe 4 intersections, different according to arc length, cuts into the auxiliary steel plate 6 of different arc.
The precast combined steel bridge member that the utility model provides, be mainly used in liftable steel bridge, its simplicity of design, the i iron of right-angled intersection is set in the middle of the i iron of hollow, by cylinder steel pipe, connect, Stability Analysis of Structures is stressed even, by reliable connected mode, be combined into liftable steel bridge, alleviate urban traffic pressure.
Accompanying drawing explanation
Fig. 1 is the first precast combined steel bridge member schematic diagram, Fig. 2 is the top view of Fig. 1, Fig. 3 is the second precast combined steel bridge member schematic diagram, Fig. 4 is the top view of Fig. 3, Fig. 5 is the 3rd precast combined steel bridge member schematic diagram, and Fig. 6 is the top view of Fig. 5, and Fig. 7 is the first precast combined steel bridge cell schematics, Fig. 8 is the second precast combined steel bridge cell schematics, and Fig. 9 is the 3rd precast combined steel bridge cell schematics.
Reference numeral: 1,2,3 is i iron; 4, cylinder steel pipe; 5,6 is auxiliary steel plate.I iron 1,2,3 adopts Q345B model i iron, and cylinder steel pipe 4 and auxiliary steel plate 5,6 adopt Q345B steel plate to make, and thickness is 10mm; Between i iron 1,2,3, add auxiliary steel plate 5 and be welded to connect, between cylinder steel pipe 4 and i iron 1,2,3, by adding auxiliary steel plate 6, be welded to connect.
The specific embodiment
Be illustrated in figure 1 the first precast combined steel bridge member schematic diagram, its top view as shown in Figure 2, comprise three sections of i iron 1, four sections of i iron 2, one section of i iron 3, five cylinder steel pipes 4, some auxiliary steel plates 5 and 6, by welding manner, link together, be mainly used in centre position, Steel plate bridge edge, be connected with other precast combined steel bridge member.
Be illustrated in figure 3 the second precast combined steel bridge member schematic diagram, its top view as shown in Figure 4, comprise four sections of i iron 1, four sections of i iron 2, five cylinder steel pipes 4, some auxiliary steel plates 5 and 6, by welding manner, link together, be mainly used in Steel plate bridge centre position, be connected with other precast combined steel bridge member.
Be illustrated in figure 5 the 3rd precast combined steel bridge member schematic diagram, its top view as shown in Figure 6, comprise two sections of i iron 1, four sections of i iron 2, two sections of i iron 3, five cylinder steel pipes 4, some auxiliary steel plates 5 and 6, by welding manner, link together, be mainly used in Steel plate bridge marginal position, be connected with other precast combined steel bridge member.
Embodiment: as shown in Fig. 7,8,9, according to Approach To Steel Bridge Designing needs, the first precast combined steel bridge member, the second precast combined steel bridge member, the 3rd precast combined steel bridge Member Welding are linked together, every five is a unit, cast out the part that i iron overlaps, be welded into a precast combined steel bridge unit, and then weld by site welding technology technology, finally form a liftable modular steel bridge.
According to Approach To Steel Bridge Designing drawing construction, select different precast combined steel bridge members, by member assembly welding, be assembled into steel bridge unit, and then formed modular steel bridge, its simplicity of design, Stability Analysis of Structures.
The utility model is not limited to above-mentioned embodiment, and anyone can draw other various forms of products under enlightenment of the present utility model.All equalizations of doing according to the utility model claim change and modify, and all should belong to covering scope of the present utility model.

Claims (5)

1. a precast combined steel bridge member, it is characterized in that, this member comprises i iron (1,2,3), cylinder steel pipe (4), auxiliary steel plate (5,6), the i iron (1) that surrounding setting connects by cylinder steel pipe (4) or i iron (1,3) form hollow structure, middle radial i iron (2) centered by cylinder steel pipe (4), the other end of i iron (2) and cylinder steel pipe (4) connection that is connected i iron (1) or i iron (1,3) be set; Between i iron (1,2,3), by welding, assist steel plate (5) to connect, cylinder steel pipe (4) assists steel plate (6) to be connected with i iron (1,2,3) by welding.
2. precast combined steel bridge member according to claim 1, it is characterized in that, described i iron (1,2,3), adopt steel of the same race, the edge of a wing, two ends need to cut into respectively difformity according to connecting, i iron (1) is fusiformis, and two ends are all connected with 1/8th circular arcs of cylinder steel pipe (4); I iron (2) is flechette-type, and arrow end is connected with 1/8th circular arcs of cylinder steel pipe (4), and arrow tail end is connected with the quadrant arc of cylinder steel pipe (4); It is trapezoidal that i iron (3) is class, and two ends are all connected with the quadrant arc of cylinder steel pipe (4).
3. precast combined steel bridge member according to claim 1, is characterized in that, described cylinder steel pipe (4), by welding steel and steel pipe two ends, forms airtight hollow cylinder.
4. precast combined steel bridge member according to claim 1, it is characterized in that, described auxiliary steel plate (5), adopt the steel plate with i iron material of the same race, height is identical with i iron (1,2,3), width is consistent with the edge of a wing hypotenuse width of i iron (1,2,3) respectively, between every two i iron, by two blocks of auxiliary steel plates (5) are set, is welded to connect.
5. precast combined steel bridge member according to claim 1, it is characterized in that, described auxiliary steel plate (6), curved, the steel plate of employing and i iron material of the same race, height is identical with i iron (1,2,3), the external diameter of cylinder steel pipe (4) of take is internal diameter, arc length is consistent with the arc length of i iron and cylinder steel pipe (4) intersection, different according to arc length, cuts into the auxiliary steel plate (6) of different arc.
CN201420461704.4U 2014-08-15 2014-08-15 Precast combined steel bridge member Active CN204000567U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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CN201420461704.4U CN204000567U (en) 2014-08-15 2014-08-15 Precast combined steel bridge member

Publications (1)

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CN204000567U true CN204000567U (en) 2014-12-10

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105780655A (en) * 2014-12-23 2016-07-20 任丘市永基建筑安装工程有限公司 Rapid bridge construction technology
CN105862594A (en) * 2015-01-20 2016-08-17 任丘市永基建筑安装工程有限公司 Hoisting technique of steel arch bridge member
CN105862588A (en) * 2015-01-20 2016-08-17 任丘市永基建筑安装工程有限公司 Resonance diminishing technique for steel arch bridge
CN105887682A (en) * 2015-01-26 2016-08-24 任丘市永基建筑安装工程有限公司 Steel bow bridge casting and concrete construction technology

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105780655A (en) * 2014-12-23 2016-07-20 任丘市永基建筑安装工程有限公司 Rapid bridge construction technology
CN105862594A (en) * 2015-01-20 2016-08-17 任丘市永基建筑安装工程有限公司 Hoisting technique of steel arch bridge member
CN105862588A (en) * 2015-01-20 2016-08-17 任丘市永基建筑安装工程有限公司 Resonance diminishing technique for steel arch bridge
CN105887682A (en) * 2015-01-26 2016-08-24 任丘市永基建筑安装工程有限公司 Steel bow bridge casting and concrete construction technology

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