Study on fly ash based grouting materials development and its properties influencing factor
SI Zhiqun
Abstract：In order to achieve the on-site resource utilization of coal-fired solid waste fly ash,fly ash and cement were used as the main raw materials,supplemented with silica powder as a reinforcing agent,water glass and calcium chloride as active activators,and fly ash based mining grouting materials were developed.At the same time,with water cement mass ratio,silica fume content,water glass content and other main factors as variables,the control variable method was used to study the influence of various factors on the key viscosity,initial setting time and early strength performance of materials in grouting operations.This study was based on the development of fly ash based grouting materials for mining,and conducts in-depth research on the properties of this material,which can provide relevant experi-ence for the utilization of coal based solid waste and the selection and development of grouting materials for mining.
Keywords：fly ashgrouting materialsmaterial propertiesviscosityinitial setting time
Publication Date：2024-10-28
Online Publishing Date：2025-08-15(First online date of this platform, not the publication date of the document)
Pages：6( 1-5,11 )