Non-bridgehead-conical-slope cast-in-situ baffle foam concrete light embankment structure and construction method

A foam concrete and cast-in-place technology, which is applied in roads, roads, buildings, etc., can solve the problems of increasing the length of bridges, occupying the space under the bridge, and many lands, so as to suppress settlement and lateral movement, increase the space under the bridge, The effect of reducing the length of the bridge

Active Publication Date: 2016-11-09
ZHEJIANG UNIV CITY COLLEGE +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For high embankment bridge heads, more land needs to be occupied due to the setting of conical slopes, and more space

Method used

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  • Non-bridgehead-conical-slope cast-in-situ baffle foam concrete light embankment structure and construction method
  • Non-bridgehead-conical-slope cast-in-situ baffle foam concrete light embankment structure and construction method
  • Non-bridgehead-conical-slope cast-in-situ baffle foam concrete light embankment structure and construction method

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Example Embodiment

[0032] The steel structure welding process, the bolt connection construction process, the template setting process, etc. of this embodiment will not be described in this implementation, but will focus on the structure of the present invention.

[0033] Non-bridge head cone slope cast-in-place baffle foam concrete lightweight embankment structure, including: column 1, cast-in-place concrete baffle 2, baffle foundation 3, cover beam 4, embedded threaded sleeve 5, formwork brace 6, formwork guide Fixing plate 7, side mold 8, opposite drawing screw 9, template fixing plate 10, baffle connecting steel bar 11, template fixing screw 12, connecting key 13, fastening nut 14, transverse connecting rib 15, transverse connecting rib end plate 16 , Shear reinforcement 17, vertical connection rib 18, steel fixing plate 19, V-shaped tie 20, upper reinforcement mesh 21, lower reinforcement mesh 22, vertical erecting reinforcement 23, transverse erecting reinforcement 24, embankment 25 , Post exc...

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PUM

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Abstract

The invention relates to a non-bridgehead-conical-slope cast-in-situ baffle foam concrete light embankment structure and a construction method. The structure mainly comprises an upright, a cast-in-situ concrete baffle, a baffle foundation, a cover beam, embedded thread sleeves, template stay bars, template guide fixing plates, a side die, opposite-pull screws, template fixing plates, baffle connecting reinforcing steel bars, template fixing screws, connecting keys, fastening nuts, transverse connecting ribs, transverse connecting rib end plates, anti-shearing ribs, vertical connecting ribs, reinforcing steel bar fixing plates, V-shaped pulling pieces, an upper layer reinforcing mesh, transitional section foam concrete and joint section foam concrete. The method includes the main construction steps of firstly, ground stabilization, secondly, embedment of embedding parts, thirdly, reinforced cushion layer construction, fourthly, baffle foundation construction, fifthly, baffle construction, sixthly, reinforcing mesh laying construction, seventhly, foam concrete filling, eighthly, water permeating layer laying, and ninthly, road surface laying. By the adoption of the construction method, construction of the embankment structure can be achieved under the condition that no bridgehead conical slope is arranged, and the economic and technical benefits are relatively good.

Description

technical field [0001] The invention relates to a construction method of a foam concrete lightweight embankment structure with a cast-in-place baffle plate on a soft foundation without a conical slope at a bridge head. Background technique [0002] In the construction of highway bridge and culvert structures on soft soil foundation, there is a problem of settlement difference between the embankment and the structure, which is easy to cause bridge head jumping, structure damage and embankment instability and other diseases. To deal with bridge head jumping, methods such as plastic drainage boards, surcharged preloading, and low-grade concrete piles are usually used to prevent and control. From the point of view of the high-grade highways that have been put into use, especially the expressways, the effect is not good after they are completed and put into operation. There are still many problems in the transition section of the road and bridge. The car jumped at the backfill o...

Claims

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Application Information

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IPC IPC(8): E01C3/00
CPCE01C3/00
Inventor 王新泉崔允亮张世民黄天元俞红光雷波沈坚童庆项小伟廖建军邵文勇
Owner ZHEJIANG UNIV CITY COLLEGE
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