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Superposition pile for engineering reconstruction and pile forming method

A technology of superimposed piles and piles, which is applied in the direction of foundation structure engineering, sheet pile walls, foundation structure repair, etc., can solve the problems of complicated construction, increase of raw materials, and poor overall performance, so as to save raw materials and improve work efficiency. easy effect

Inactive Publication Date: 2009-07-15
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In order to solve the problems that the existing reinforcement method needs to increase the number of piles and add caps to reinforce the original pile foundation, the construction is cumbersome, the raw materials are increased, and the overall performance is poor, a pile-forming method of superimposed piles for engineering transformation is proposed. The concrete technical scheme that solves the above problems is as follows:

Method used

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  • Superposition pile for engineering reconstruction and pile forming method
  • Superposition pile for engineering reconstruction and pile forming method

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specific Embodiment approach 1

[0012] Specific implementation mode one: combine figure 1 , figure 2 Describe this embodiment. This embodiment is composed of the original pile 1, the peripheral annular concrete 2, the longitudinal reinforcement 3 and the peripheral annular stirrup 4. The longitudinal reinforcement 3, the peripheral annular stirrup 4 and the peripheral annular concrete 2 are arranged along the length direction of the original pile 1. Around the outer surface of the original pile 1, a superimposed pile is formed.

specific Embodiment approach 2

[0013] Specific embodiment two: the steps of this embodiment method are as follows:

[0014] Step 1: Set up a strip foundation between two adjacent columns, and pour (build) a wall on the strip foundation, so that the load borne by the original pile is transmitted to the strip foundation;

[0015] Step 2. According to the design size of the superimposed pile, the soil around the unloaded original pile 1 is removed, and then the surrounding of the original pile 1 is reamed. The depth of reaming is the depth of the original pile 1, and the size of the bottom of the pile is enlarged; The size of the enlarged head and the thickness of the superimposed ring around the pile are determined according to the load required by the renovation project;

[0016] Step 3, in the superimposed annular cavity around the reamed original pile 1, arrange the longitudinal reinforcement 3 and the annular stirrup 4 around the original pile 1 along the length direction of the original pile 1 to form a ...

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Abstract

The invention discloses a pile-forming method of superimposed piles for engineering transformation, which relates to a pile-forming method of reinforced piles for engineering transformation. It solves the problem that the strengthening method needs to increase the number of piles and add caps to reinforce the original pile foundation, and the overall performance is poor. The steps of the method of the present invention are as follows: one, unload the original pile; two, remove the soil around the original pile (1) after unloading, and then carry out reaming around the original pile (1); three, along the original pile (1) 1) Longitudinal bars (3) and ring-shaped stirrups (4) are arranged in holes around the original pile (1); 4. Concrete (2) is poured into the holes to form a composite pile. The invention is applicable to the reinforcement and transformation of the pile foundation of the original building where each column corresponds to a pile and directly adds layers. The method of the invention is simple and convenient, can improve work efficiency, and has strong bearing capacity of the pile.

Description

technical field [0001] The invention relates to a pile-forming method of reinforced concrete piles in the field of civil engineering, in particular to a pile-forming method of engineering transformation reinforced piles. Background technique [0002] At present, for the original structure where one column corresponds to one pile, when the load of the structure requiring the original pile increases (that is, when the original building is added), the resistance of the original pile foundation is insufficient, and not only the original building needs to be The upper structure of the pile is reinforced, and the existing reinforcement needs to increase the number of piles and add caps to reinforce the original pile foundation. This method is cumbersome in construction, increases in raw materials, and poor overall performance. Contents of the invention [0003] In order to solve the problems that the existing reinforcement method needs to increase the number of piles and add cap...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E02D5/64E02D37/00
Inventor 郑文忠侯晓萌王英周威解恒燕谭军张辉王宏伟
Owner HARBIN INST OF TECH