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Drainage composite self-drilling tire string bolt support structure and construction method

A bolt support and self-drilling technology, which is applied in basic structure engineering, excavation, soil protection, etc., can solve problems such as ignoring the source soil, and achieve simple principles, improved slope stability, and accelerated consolidation speed Effect

Active Publication Date: 2016-06-08
LANZHOU UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing treatment measures only improve the support structure, ignoring the combined treatment measures of source soil solidification and support structure

Method used

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  • Drainage composite self-drilling tire string bolt support structure and construction method
  • Drainage composite self-drilling tire string bolt support structure and construction method
  • Drainage composite self-drilling tire string bolt support structure and construction method

Examples

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Embodiment Construction

[0017] The features of the present invention will be described in detail below in conjunction with accompanying drawings and application examples in slope engineering. The examples given are only for explaining the present invention, not for limiting the scope of the present invention. After reading the present invention, within the spirit and principle of the present invention, any modification, equivalent replacement and improvement should be included in the protection scope of the present invention.

[0018] Such as figure 1 , figure 2 , image 3 As shown, the drainage composite self-drilling tire string bolt support structure is composed of drainage board 1, lattice beam 2, panel 3 and self-drilling tire string bolt 4, and self-drilling tire string bolt 4 is composed of hollow rod body 7, carcass 8 and the drill pipe 9 are connected to form; the drainage board 1 is driven into the soil body from the top of the slope from top to bottom, and the self-drilling tire string...

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Abstract

The invention discloses a drainage composite self-drilling tire stringed bolt supporting structure and a construction method. The drainage composite self-drilling tire stringed bolt supporting structure aims to improve the stability of soft slopes and structurally comprises drainage boards, lattice beams, face boards and self-drilling tire stringed bolts. The self-drilling tire stringed bolts comprise hollow bolts, tires and drilling rods which are connected with one another; the drainage boards are drilled into soil from the tops to the bottoms of the slopes, and the self-drilling tire stringed bolts are constructed into the slopes from vertical slope surfaces between the two rows of drainage boards; the face boards and the lattice beams which perpendicularly intersect with one another are sequentially arranged on the slope surfaces, and the self-drilling tire stringed bolts penetrate the face boards and the lattice beams. The drainage composite self-drilling tire stringed bolt supporting structure has the advantages that air can be inflated into the self-drilling tire stringed bolts, accordingly, the tires can be expanded to squeeze the surrounding soil and can be anchored in stable strata, the self-drilling tire stringed bolts can be anchored at cross positions of the lattice beams by anchors and steel base boards, the spatial support structure can be formed, and the unstable soft soil can be anchored in the stable strata.

Description

technical field [0001] The invention belongs to the technical field of anchoring and is used for supporting projects such as slopes and foundation pits in soft soil regions. Background technique [0002] With the rapid development of economic construction, especially the rapid development of infrastructure construction in my country's coastal areas, and the soil in coastal areas is mostly soft soil, urban land space is extremely scarce, so the construction of underground space, roads and railways in this area has produced many Weak soil slope. Soft soil has a high water content, is usually in a soft plastic or flow plastic state, has poor physical and mechanical properties, and the slope engineering of the foundation pit is easily deformed or even collapsed, which makes the treatment of soft soil slopes difficult. [0003] At present, the technologies and corresponding advantages and disadvantages of treating weak soil slopes are mainly summarized into the following categori...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D17/20E02D3/10
CPCE02D3/10E02D5/76E02D5/765E02D17/20E02D2200/1671E02D2300/0001E02D2600/30
Inventor 董建华董旭光袁方龙王永胜何天虎朱彦鹏王冰霞代涛高发阳柳珂
Owner LANZHOU UNIVERSITY OF TECHNOLOGY
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