Novel miniature pile construction method

A construction method and technology of micropile, applied in sheet pile walls, foundation structure engineering, construction, etc., can solve problems such as disputes over construction costs between investors and constructors, obstacles to popularization and application of micropile, and calculation of material consumption quotas, etc., to achieve effective It is conducive to popularization and application, saving the amount of pile materials, and improving the strength and bearing capacity of the pile body
CN101424081BInactive Publication Date: 2010-08-25CHINA ELECTRIC POWER RES INST
0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Patents(China)
Current Assignee / Owner
CHINA ELECTRIC POWER RES INST
Publication Date
2010-08-25
Estimated Expiration
Not applicable Β· inactive patent

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
Patent Text Reader

Abstract

The invention relates to a method for constructing a novel mini-pile, which comprises the following steps: step one, using a drilling machine to form drill holes of which the diameter is between 0.25 and 0.4 meter on a groundwork; step two, pouring clear water in the drill holes through a hollow drill pipe of the drilling machine to perform a primary hole cleaning; step three, lifting out the drill pipe and putting reinforcing cages and pouring guide tubes into the drill holes; step four, pouring clear water into the drill holes through the pouring guide tubes to perform a secondary hole cleaning; and step five, pouring prepared fine gravel concrete into the drill holes through the pouring guide tubes until the fine gravel concrete pours out of the drilling holes so as to form the mini-pile of which the diameter is between 0.25 and 0.4 meter. The method adopts a mode of directly pouring the fine gravel concrete to form the mini-pile, thereby saving pile-making materials, facilitating engineering budget and final account and benefiting the popularization and the application of the mini-pile; besides, the method is convenient to control the pile body strength of the mini-pile so as to be advantageous for improving the pile body strength and the bearing capacity of the mini-pile.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The invention relates to civil engineering technology, in particular to a novel micropile construction method. Background technique

[0002] Micropile is a new type of small diameter pile. Due to the small hole diameter of the micro-pile and the large depth that can be reached, the micro-pile can be applied to the construction of various soil layers. The traditional micro-pile construction method mainly adopts the grouting method of throwing stones. The rock casting method mainly includes the following steps:

[0003] Step a1, the drilling machine is in place to form a hole;

[0004] Step a2, cleaning the hole;

[0005] Step a3, put down the reinforcement cage and the grouting pipe;

[0006] Step a4, put gravel with a diameter of 1 cm to 3 cm into the drill hole until the gravel is full of the drill hole;

[0007] Step a5, inject clean water through the grouting pipe and continue cleaning the hole until the clean water returns from the drilled ho...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More