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Fabricated supporting structure capable of restoring yielding and construction method

A supporting structure and assembled technology, which is applied in the direction of infrastructure engineering, underwater structures, artificial islands, etc., can solve the problems of high maintenance costs, non-recyclable, slow construction speed, etc. in the later stage, and achieve improved safety and stability , Reliable structure and convenient construction

Pending Publication Date: 2020-09-15
XIANGTAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, in expansive rock and soil areas, under the stress of rainfall infiltration and evaporation cycle, it is very easy to cause the instability and failure of ordinary retaining support structures.
[0003] In areas with expansive rock and soil, the most widely used retaining structure is the cast-in-place reinforced concrete retaining wall. The traditional support structure does not have the ability to adapt to the deformation of expansive rock and soil. The shortcomings of slow construction speed, non-recyclable, high maintenance costs in the later period, and some sites are difficult to meet the conditions of on-site pouring

Method used

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  • Fabricated supporting structure capable of restoring yielding and construction method
  • Fabricated supporting structure capable of restoring yielding and construction method
  • Fabricated supporting structure capable of restoring yielding and construction method

Examples

Experimental program
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Effect test

Embodiment 1

[0035] Such as Figure 1-6 As shown, the present invention provides a kind of assembly-type support structure that can recover and let pressure, including concrete rectangular column 1, steel material retaining board 2, I-beam support beam 3, high-strength spring 4; both sides of concrete rectangular column 1 are Two sliding beams 11 are fixed and steel soil retaining boards 2 and I-steel support beams 3 are installed in cooperation with the sliding beams 11. Groove 21 and groove 31 on the beam.

[0036] In this embodiment, the surface of the sliding beam 11 is fixed with several teeth piers 12 with the same spacing and increasing height;

[0037] In this embodiment, both ends of the steel soil retaining board 2 are formed with two on-board grooves 21 matching the sliding beam 11; inside the on-board groove 21, a small groove 22 is formed, and an inner groove 22 is arranged in the small groove 22. The embedded spring 23 is connected with a cuboid bump 24; when assembling on ...

Embodiment 2

[0052] Such as Figure 1-6 As shown, the present invention provides a kind of assembly-type support structure that can recover pressure, including concrete rectangular column 1, steel material retaining board 2, I-beam support beam 3, high-strength spring 4; both sides of concrete rectangular column 1 are Two sliding beams 11 are fixed and steel soil retaining boards 2 and I-steel support beams 3 are installed in cooperation with the sliding beams 11. Groove 21 and groove 31 on the beam.

[0053] In this embodiment, the surface of the sliding beam 11 is fixed with several teeth piers 12 with the same spacing and increasing height;

[0054] In this embodiment, both ends of the steel soil retaining board 2 are formed with two on-board grooves 21 matching the sliding beam 11; inside the on-board groove 21, a small groove 22 is formed, and an inner groove 22 is arranged in the small groove 22. The embedded spring 23 is connected with a cuboid bump 24; when assembling on site, th...

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Abstract

The invention discloses a fabricated supporting structure capable of restoring yielding and a construction method. The fabricated supporting structure comprises a concrete rectangular column, a steelsoil retaining plate, an I-shaped steel supporting beam and high-strength springs, wherein two sliding beams are fixed to each of the two sides of the concrete rectangular column, and tooth piers andbeam piers are fixed to the sliding beams; two plate upper grooves matched with the sliding beams are formed in each of the two ends of the steel soil retaining plate, small grooves are formed in theplate upper grooves, embedded springs are arranged in the small grooves, and cuboid protruding blocks are connected to the embedded springs; and two beam upper grooves matched with the sliding beams are formed in each of the two ends of the I-shaped steel supporting beam. One ends of the high-strength springs are welded to the surface of the steel soil retaining plate, and the other ends of the high-strength springs are welded to the surface of the flange of the I-shaped steel supporting beam. The fabricated supporting structure is reliable in structure, convenient to construct and capable ofbeing repeatedly used, has the function of restoring yielding, is applied to expansive rock soil which expands after absorbing water and contracts after losing water, can deform in cooperation with soil and can effectively improve the safety and stability.

Description

technical field [0001] The invention relates to the field of expansive soil retaining support, in particular to an assembled support structure capable of recovering pressure and a construction method. Background technique [0002] my country is one of the countries with the widest distribution of expansive soil in the world, covering more than 20 provinces. In engineering construction, the problem of retaining and supporting in expansive soil areas is often encountered. Expansive rock and soil mass is a special rock and soil mass that is prone to expand when exposed to water and shrink when it loses water. It is often called "disastrous rock and soil mass". Its volume change is affected by the water content. A significantly increased horizontal expansion force is applied to the support structure, which seriously affects the safety and stability of the support structure; in the dry season, it shrinks and weathers, the soil cracks gradually develop, the strength of the soil de...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D29/02
CPCE02D29/0266
Inventor 罗彪罗正东黄河尹鸿达李检保沈程鹏王倩谢测坤
Owner XIANGTAN UNIV