Composition for drilling and pouring, preparation method thereof and wall protection mud

A technology of drilling and pouring and composition, which is applied in the direction of drilling composition, chemical instruments and methods, etc., which can solve the problems of increasing the resistance of underwater pouring concrete, reducing the radius of concrete flow, and affecting the quality of the pile body, etc., to achieve enhanced The effect of retaining wall capacity, improving the quality of pile formation, and reducing the difficulty of pouring

Inactive Publication Date: 2020-08-25
中科兴创(北京)科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] A kind of bentonite wall protection mud in the prior art comprises bentonite, carboxymethyl cellulose, alkali and water, but, because of the principle characteristic of bentonite wall protection mud self, may produce following influence in the wall protection process: Bentonite mud is easy to Delamination and other situations will affect the effect of its retaining wall and easily lead to hole collapse accidents; due to the characteristics of suspended mud and sand, be...

Method used

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  • Composition for drilling and pouring, preparation method thereof and wall protection mud

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] A kind of preparation method for the composition of borehole perfusion comprises the steps:

[0030] Add 2kg of wall protection agent potassium polyacrylate, 20kg of tackifier polyacrylamide, 8kg of fast solvent sodium chloride, 13kg of precipitant polyaluminum chloride and 13kg of stabilizer sodium hydroxide into the sealed mixing tank and stir for 8 minutes, and stir evenly. The composition can be prepared.

Embodiment 2

[0032] A kind of preparation method for the composition of borehole perfusion comprises the steps:

[0033] Add 15kg wall protection agent potassium polyacrylate, 65kg tackifier polyacrylamide, 8kg instant solvent sodium chloride, 13kg precipitant polyaluminium chloride and 13kg stabilizer sodium hydroxide into the sealed mixing tank and stir for 8 minutes, and stir evenly. The composition can be prepared.

Embodiment 3

[0035] A kind of preparation method for the composition of borehole perfusion comprises the steps:

[0036] Add 8kg wall protection agent potassium polyacrylate, 45kg tackifier polyacrylamide, 8kg instant solvent sodium chloride, 13kg precipitant polyaluminum chloride and 13kg stabilizer sodium hydroxide into the sealed mixing tank and stir for 8min, and stir evenly. The composition can be prepared.

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Abstract

The invention discloses a composition for drilling and pouring, a preparation method thereof and wall protection mud, and relates to the technical field of wall protection materials. The composition for drilling and pouring comprises a wall protecting agent potassium polyacrylate, a tackifier polyacrylamide, an instant solvent sodium chloride, a precipitator polyaluminum chloride and a stabilizersodium hydroxide; after being dissolved in water, the composition has the advantages of being good in wall protection effect and capable of improving the pile forming quality. The preparation method of the composition for drilling and filling comprises the following steps: uniformly stirring the raw materials in the composition in a closed space to obtain the composition; the preparation method has the advantages of simple preparation steps, easiness in implementation and convenience in batch manufacturing and production. The wall protection mud comprises the composition and water mixed with the composition in use. The wall protection mud has the advantages of being good in wall protection effect and capable of improving the pile forming quality.

Description

technical field [0001] The invention relates to the technical field of retaining wall materials, more specifically, it relates to a composition for drilling and pouring, a preparation method thereof and wall retaining mud. Background technique [0002] At present, in the bridge foundation engineering, the bored pile foundation has occupied an important position. With the development of bored piles to large diameter and high depth, mud retaining wall material has become one of the main research topics of bored pile hole forming technology. In addition to forming a mud skin to protect the hole wall, the mud wall protection material also has the functions of increasing the liquid density in the hole, clearing the drill bit soil, cooling the drill bit and increasing the drilling speed. There are currently three main types of mud retaining materials: water-based mud (WBM), oil-based mud (OBM) and synthetic-based mud (SMB). Water-based mud is currently the most commonly used ret...

Claims

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Application Information

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IPC IPC(8): C09K8/035C09K8/12C09K8/44C09K8/508
CPCC09K8/03C09K8/12C09K8/44C09K8/5083C09K2208/12
Inventor 高名诺孙宁
Owner 中科兴创(北京)科技有限公司
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