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Batter post bridge

A technology of slanted columns and upright columns, applied in bridges, buildings, etc., can solve the problems of material waste, poor stability, long cycle, etc., and achieve the effect of simple construction process, increased rigidity, and reduced internal force

Active Publication Date: 2016-05-25
广西恒正建设工程质量检测有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Medium and long-span bridges mostly use these two structural forms. During the construction process, the arch bridge has extremely poor stability inside and outside the plane in the state of bare arch and maximum cantilever, and its wind resistance stability is low. The arch axis is a curve, which causes waste of materials; cable-stayed The construction process of the bridge is complicated, the period is long, and the vibration of the long cables of the stay cables is obvious, which affects the fatigue life of the structure

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] like figure 1 As shown, a (top-supporting) slanted column bridge includes a bridge deck system 4 and a cap 6; on each cap 6 on both sides of the bridge deck system 4, two longitudinal bridges are vertically symmetrical and have a V-shaped slanted columns 1, and the two slanted columns 1 are connected along the longitudinal direction of the bridge by tie rods 2; the slanted columns 1 are completely below the deck system 4, and columns are set on the slanted columns 1 below the bridge deck system 4 3 supporting the bridge deck system 4; two adjacent slanted columns 1 are consolidated at the ends; the ends of the slanted columns 1 at the front and rear ends of the bridge deck system 4 are directly supported by the support 7. The inclined column 1 adopts a concrete box structure.

[0023] like Figure 4 As shown, the tension S of the tie rod 2 is determined according to the following formula: S=(P+mg) tanα; where, mg is the self-weight of the inclined column segment, P is...

Embodiment 2

[0025] like figure 2 As shown, a (under-supported) slanted column bridge includes a deck system 4 and a cap 6; on each cap 6 on both sides of the bridge deck system 4, two longitudinal bridges are arranged vertically symmetrically and in the form of V-shaped slanting columns 1, and the two slanting columns 1 are connected along the longitudinal direction of the bridge by tie rods 2; the bridge deck 4 is close to the bottom of the slanting columns 1, and the slanting columns 1 above the bridge deck 4 are provided with suspenders 5 The bridge deck system 4 is supported, and the column 3 is set on the inclined column 1 below the bridge deck system 4 to support the bridge deck system 4; two adjacent inclined columns 1 are consolidated at the ends; the inclined columns at the front and rear ends of the bridge deck system 4 The end of 1 is directly supported by column 3 and support 7. The inclined column 1 adopts a concrete box structure.

[0026] The tension S of the tie rod 2 i...

Embodiment 3

[0028] like image 3 As shown, a (intermediately supported) inclined column bridge includes a bridge deck system 4 and a cap 6; on each cap 6 on both sides of the bridge deck system 4, two longitudinal bridges are arranged vertically symmetrically and in the form of V-shaped slanted columns 1, and the two slanted columns 1 are connected along the longitudinal direction of the bridge by tie rods 2; the bridge deck system 4 is located in the middle of the slanted columns 1, and columns are set on the slanted columns 1 below the bridge deck system 4 3 support the bridge deck system 4, set suspenders 5 on the inclined column 1 above the bridge deck system 4 to support the bridge deck system 4; two adjacent inclined columns 1 are consolidated at the ends; The end of the column 1 is directly supported by the column 3 and the support 7. The inclined column 1 adopts a steel box structure.

[0029] The tension S of the tie rod 2 is determined according to the following formula: S=(P+...

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Abstract

The invention discloses a batter post bridge which comprises a bridge deck system (4) and bearing platforms (6). The two vertically-symmetric V-shaped batter posts (1) in the longitudinal bridge direction are arranged on each bearing platform (6) on the two sides of the bridge deck system (4) and connected through a tie bar (2) in the longitudinal bridge direction. Stand columns (3) are arranged on the batter posts (1) below the bridge deck system (4) for supporting the bridge deck system (4) and / or suspenders (5) are arranged on the batter posts (1) above the bridge deck system (4) for supporting the bridge deck system (4). The ends of every two adjacent batter posts (1) are fixedly connected or hinged. The ends of the batter posts (1) at the front end and the rear end of the bridge deck system (4) are supported by the stand columns (3) and supports (7), or supported by supports (7). Compared with other cable-stayed bridges and arch bridges with the same span, the rigidity is greatly improved, and the internal force is greatly reduced. The construction process is simple, slip-form construction can be adopted, the construction period is short, and system transformation does not exist during construction.

Description

technical field [0001] The invention belongs to a bridge structure form, in particular to a slanted column bridge, which is mainly used in the field of bridges. Background technique [0002] The arch bridge is a combination of the two basic structural forms of the arch and the beam, which bear the load together, and give full play to the structural performance and combined effect of the beam under bending and the arch under compression; The platform and the foundation are bridges with force transmission paths. Medium and long-span bridges mostly use these two structural forms. During the construction process, the arch bridge has extremely poor stability inside and outside the plane in the state of bare arch and maximum cantilever, and its wind resistance stability is low. The arch axis is a curve, which causes waste of materials; cable-stayed The construction process of the bridge is complicated, the period is long, and the vibration of the long cables of the stay cables is...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01D1/00
CPCE01D1/00
Inventor 谢肖礼
Owner 广西恒正建设工程质量检测有限公司
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