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Segmental beam with horizontally distributed reinforcing bars

A technology for distributing steel bars and segmental beams, applied in bridges, buildings, etc., can solve the problem of long construction period of segmental beams, poor bending and shear resistance at joints of segmental beams, unfavorable construction period of segmental beams on site To achieve the effect of protecting the surrounding ecological environment, reducing water and air permeability, facilitating production organization and overall construction quality control

Pending Publication Date: 2018-12-07
ANHUI TRANSPORT CONSULTING & DESIGN INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The existing segmental beams are generally assembled together by wet jointing or glue jointing. The wet jointing method makes the construction period of the segmental beams long, which is not conducive to the purpose of shortening the construction period of the segmental beams and improving the construction efficiency; The flexural capacity and shearing capacity of the joints of the segmental beams in the glue joint mode are relatively poor

Method used

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  • Segmental beam with horizontally distributed reinforcing bars
  • Segmental beam with horizontally distributed reinforcing bars
  • Segmental beam with horizontally distributed reinforcing bars

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0036] figure 1 It is a schematic diagram of a segmental beam with additional horizontally distributed steel bars of the present invention; figure 2 It is a three-dimensional view of a segmental beam with horizontally distributed steel bars added in the present invention, please refer to Figure 1 to Figure 2 As shown, it shows the segmental beam of the first preferred embodiment with the addition of horizontally distributed reinforcement, which includes: several beam segments 11, and the longitudinal end faces of several beam segments 11 are connected to each other to form an integral segmental beam 1 .

[0037] In addition, as a preferred embodiment, the segmental beam with horizontally distributed reinforcing bars also includes: several tunnels 2, and each beam segment 11 end has several tunnels 2 formed by removing preset fillers. Arranged along the axial direction of the beam segment 11, the tunnel 2 reserves sufficient anchoring length.

[0038] In addition, as a pre...

Embodiment approach

[0041] In further embodiments of the present invention, please continue to refer to figure 1 , figure 2 As shown, each beam segment 11 includes an upper flange 111 , a web 112 and a lower flange 113 ;

[0042] In a further embodiment of the present invention, the longitudinal section of each beam segment 11 is I-shaped.

[0043] In a further embodiment of the present invention, a concave portion 1121 is formed on one longitudinal end surface of the web 112 , and a convex portion 1122 is formed on the other longitudinal end surface of the web 112 , and the convex portion 1122 matches the concave portion 1121 .

[0044] In a further embodiment of the present invention, several holes 2 are opened on the web 112 .

[0045] In a further embodiment of the present invention, glue is injected between the horizontally distributed reinforcing bars 3 and the gap between the channels 2 . The horizontally distributed steel bars are fixed to the beam segment 11 by glue.

[0046] In a f...

no. 2 example

[0048] The present invention has a second preferred embodiment of a segmental beam with additional horizontally distributed reinforcement, which includes: several beam segments, the longitudinal end surfaces of which are connected to each other to form an integral segmental beam.

[0049] In addition, as a preferred embodiment, the segmental beam with horizontally distributed reinforcing bars also includes: several tunnels, one end of each beam segment has several tunnels formed by removing preset fillers, and the tunnels are all along the The axial direction of the beam segment is set, and the hole is reserved for sufficient anchorage length.

[0050] In addition, as a preferred embodiment, the segmental beam with horizontally distributed reinforcing bars also includes: several horizontally distributed reinforcing bars, and several horizontally distributed reinforcing bars are pre-embedded at the other end of each beam segment, and the horizontally distributed reinforcing bars...

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Abstract

The invention discloses a segmental beam added with horizontally distributed reinforcing bars, wherein, the segmental beam comprises a plurality of beam segments, the longitudinal end faces of the beam segments are connected with each other; At least one end of each beam segment is provided with a plurality of holes formed by removing a preset packing, and the plurality of holes are arranged alongthe axial direction of the beam segment; A plurality of horizontally distributed reinforcing bars are arranged between adjacent beam segments. The horizontally distributed reinforcing bar added by the invention can increase the flexural bearing capacity and the shear bearing capacity at the joint of the segment beam.

Description

technical field [0001] The invention relates to the technical field of segmental beams, in particular to the technical field of segmental beams with additional horizontally distributed steel bars. Background technique [0002] Compared with the traditional construction method of cast-in-place box girder with full-bore supports, the segmental assembly process used in the construction of urban viaducts highlights the three major advantages of "environmental protection, traffic, and speed": no noise and no dust during construction, which greatly reduces the impact on surrounding residents. , the impact on the environment; there is no need to set up supports on site, no need to pour concrete on site, and traffic can be opened during construction, which greatly reduces the pressure on traffic due to construction; the use of module construction greatly speeds up the construction speed on site, compared with traditional construction methods More than twice as fast. This constructi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01D2/02
CPCE01D2/02
Inventor 王胜斌刘超胡可陈修和徐栋邱体军胡胜来唐国喜郑建中曹光伦端木祥永雷俊周璇
Owner ANHUI TRANSPORT CONSULTING & DESIGN INST
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