Cation polyacrylamide swelled ground modifying agent

A polyacrylamide and cationic technology, which is applied in the direction of soil conditioning materials, organic fertilizers, fertilizer mixtures, etc., can solve the problems of natural expansive soil expansion, shrinkage, deformation and damage, and achieve the effects of reducing permeability, increasing runoff, and maintaining stability
CN101012379AInactive Publication Date: 2007-08-08HOHAI UNIV
0 Cites 9 Cited by

Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
HOHAI UNIV
Publication Date
2007-08-08
Estimated Expiration
Not applicable · inactive patent
Patent Text Reader

Abstract

The invention discloses a cationic polyacrylamide swelled ground modifier and constructing method, which is characterized by the following: weighing 0.2% modifier into dried soil with saturation less than 95%; stirring; dispersing cationic polyacrylamide in the water evenly without knob; reducing the thickness of adsorbing water film on the clay particle surface; reinforcing the stability of soil mass.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The invention relates to an expansive soil improver, in particular to a cationic polyacrylamide expansive soil improver for reducing the expansion and shrinkage of expansive soil and an improved construction method thereof. It belongs to the technical field of geotechnical engineering. Background technique

[0002] There are two types of methods to reduce the expansion and contraction of expansive soil and increase the stability of expansive soil foundation and slope: physical method and chemical method.

[0003] Described physical methods: (1) surface water protection: various drainage ditches are set up, and a surface drainage network system is established, so that surface water is not easy to infiltrate into the soil; (2) slope protection, the main reinforcement measures at present are vegetation protection, Skeleton protection, rubble slope protection and fully enclosed slope protection, etc.; (3) Support and reinforcement protection: commonly use...

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