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A pile-anchor foundation ditch supporting construction method

A technology for foundation pits and nurses, applied in foundation structure engineering, sheet pile walls, excavation, etc., can solve problems such as inconvenience, inconvenient excavation, structural construction, and impact on construction progress, so as to reduce construction costs, facilitate construction, and reduce project costs Effect

Active Publication Date: 2009-03-04
浙江环宇建设集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among them, the pile support system is more commonly used, but it contains a large number of internal supports, which is not convenient for excavation and structural construction, which affects the construction progress, and also brings a lot of inconvenience to the subsequent construction, affecting the construction progress

Method used

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  • A pile-anchor foundation ditch supporting construction method
  • A pile-anchor foundation ditch supporting construction method
  • A pile-anchor foundation ditch supporting construction method

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Embodiment Construction

[0030] The present invention will be further illustrated by specific examples below, but the present invention is not limited by the following examples.

[0031] The specific construction steps of Embodiment 1 of the pile-anchored foundation pit support construction method of the present invention are as follows:

[0032] 1. According to the plan of the pile position, after the pile position is set out, the construction of cement mixing pile 1 should be carried out first, such as Figure 4 As shown, a water-stop curtain is formed, and then the construction of the bored pile 2 is carried out, such as Figure 5 As shown, a retaining wall for slope protection and soil is formed.

[0033] 2. Excavate the soil to level 3 at the bottom of the top beam, such as Figure 6 Shown.

[0034] 3. Chisel bored pile 2 to the design elevation, such as Figure 7 Shown.

[0035] 4. Carry out the construction of the first row of anchor rods 4a in the soil between adjacent bored piles 2, and they are ...

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Abstract

The invention discloses a foundation pit support method with pile and anchor, belonging to an external staying support technique field of the supporting structural retaining of the foundation pit, comprising that: a. bored piles are constructed to form a retaining wall, after lofting of the pile location according to the planar graph of the pile location; b. the soil is excavated to the bottom elevation of the top beam; c. the bored piles are chiseled to the design elevation; d. the first row of anchors are constructed in the soil layer between the adjacent bored piles; e. the top beams are constructed; f. the soil is excavated to the constructing position of the second row of anchors; g. the second row of anchors are constructed; h. the processes of f and g can be repeated until to the last row of anchors, according to different design conditions; i. the soil is excavated to the bottom of the foundation pit. The foundation pit support method with pile and anchor has the advantages of avoiding a lot of inner supports, providing an open working face for soil excavation, creating a good condition for mechanized construction, increasing the construction progress, needing not to treat the water stop of supporting, bracing substitution, dismantling support during the subsequent construction of the basement, convenient construction, increasing the progress, reducing the construction cost.

Description

Technical field [0001] The invention discloses a construction method for pile-anchored foundation pit support, which belongs to the technical field of construction foundation pit support engineering. Background technique [0002] There are many types of existing building foundation pit supporting systems, each of which has its own advantages, and their respective scope of application is also different. Among them, the pile-supporting support system is more commonly used, but it contains a large amount of internal support, which is not convenient for excavation and structural construction, which affects the construction progress, and also brings many inconveniences to the subsequent construction and affects the construction progress. Summary of the invention [0003] In order to overcome the above shortcomings, the present invention provides a pile and anchor foundation pit support construction method that can shorten the construction period, accelerate the construction progress,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D17/04E02D5/34E02D5/76
Inventor 刘文革陈绍炳陶红雨童宏伟袁志明朱其良
Owner 浙江环宇建设集团有限公司
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