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Ditch type supporting system

A support system and ditch technology, applied in excavation, construction, foundation structure engineering, etc., can solve problems such as loose steel sheet piles, no pre-tightening function of support rods, and poor service conditions of the support system, so as to increase the contact surface and improve Acceptance status, effect of good control of foundation pit deformation

Pending Publication Date: 2021-09-03
广州宏途设备工程有限公司
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Problems solved by technology

[0003] The use conditions of the ditch support system are relatively harsh, and the steel sheet piles often loosen after a period of use. However, the support rods of the existing support system do not have a pre-tightening function. After the steel sheet piles loosen, they cannot be adjusted. Preloading of steel sheet piles by support rods

Method used

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  • Ditch type supporting system
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Embodiment approach

[0054] In further embodiments of the present invention, please continue to refer to Figure 1 to Figure 9 As shown, the first connecting piece 400 also includes: a first steel pipe 430 and a first hanging plate 410 arranged at one end of the first steel pipe 430, the first hanging plate 410 is welded together with one end of the first steel pipe 430, the first hanging plate 410 is also provided with laps (not marked), so that it is more convenient to fix the first hanging plate 410 on the corresponding purlin 300, reducing the operation process, and several steel pipes 430 are also provided on the first steel pipe 430 for strengthening The first rib 420 and the fourth rib 450 of the overall structural strength of the first connecting piece 400 prolong the service life of the first connecting piece 400 .

[0055] Further, as a preferred embodiment, each group of spreader components includes: a second hanging plate 100 and a chain 200, the second hanging plate 100 is arranged on...

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Abstract

The invention discloses a ditch type supporting system, and belongs to the technical field of soil layer temporary supporting in civil engineering. The ditch type supporting system comprises at least two steel sheet piles, at least two enclosing purlins, a plurality of lifting appliance assemblies and a plurality of supporting assemblies, wherein the two steel sheet piles are vertically arranged on the two sides of a ditch correspondingly, the two enclosing purlins are arranged on the opposite sides of the two steel sheet piles correspondingly, each lifting appliance assembly is connected with one steel sheet pile and one enclosing purlin, and each supporting assembly is arranged between the two enclosing purlins. According to the ditch type supporting system, a first connecting piece and a second connecting piece are connected through a thread pair, when the steel sheet piles are loosened, the first connecting piece and the second connecting piece can be adjusted through the thread pair, so that pre-tightening of the enclosing purlins is realized, then pressure is reversely applied to a soil body, and then the effect of better controlling deformation of a foundation pit is achieved.

Description

technical field [0001] The invention relates to the technical field of temporary support of soil layers in civil engineering, in particular to a ditch support system. Background technique [0002] In the process of urbanization, more and more buildings and facilities require space underground. Underground projects such as ditches and foundation pits combine different types of pipelines such as gas, water supply and drainage, telecommunications, and electricity that were originally scattered underground, through intensive The design is laid together in the same underground space. When laying pipelines, trenches are often required to be braced. [0003] The use conditions of the ditch support system are relatively harsh, and the steel sheet piles often loosen after a period of use. However, the support rods of the existing support system do not have a pre-tightening function. After the steel sheet piles loosen, they cannot be adjusted. The support rods preload the steel shee...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D17/08
CPCE02D17/08
Inventor 郑青青冯琪张菊连吴申申
Owner 广州宏途设备工程有限公司
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