多用途系列注浆材料的制备与应用研究

发布时间：2018-03-25 05:01

本文选题：注浆材料　切入点：减水剂　出处：《河南理工大学》2014年硕士论文

【摘要】：本文第一部分以普通的硅酸盐水泥为原料,分别研究了偏高岭土、埃洛石和减水剂等因素对注浆材料性能的影响。然后确定不同系列注浆材料的配比,检测其性能,并简单进行经济分析与评价。试验的结论如下:减水剂的最佳用量为0.3%;偏高岭土的替代量为水泥材料的10%;偏高岭土和埃洛石均具有提高注浆材料的结石率、抗压强度及悬浮性的特性。第二部分利用有机胶黏剂、高粘度矿物掺合料作为水泥浆的增塑剂,同时考察水灰比、减水剂等外加剂对水泥浆分散性能的影响,研制出具有显著抗分散性能和早强作用的水下抗分散水泥浆。由实验得出本课题所制备的抗分散注浆材料最佳絮凝剂、减水剂、早强剂分别为HPMC、聚羧酸高效减水剂、氯化钙,用量分别为0.5%、1.0%、5%时,絮凝、减水和促凝效果最佳,强度尤其是后期强度完全符合工程指标,抗分散性、清浊度良好。第三部分利用高性能水泥浆作为基础水泥浆配方,利用表面改性技术对基础水泥浆进行表面处理,使其具有比较高的强度,同时具有与煤等亲油性物质结合(或称融合)的能力,其主要目的是用于煤矿的保护煤柱加固和采煤工作面的煤体加固。
[Abstract]:In the first part of this paper, using ordinary Portland cement as raw material, the effects of metakaolin, Ellow stone and water reducer on the properties of grouting materials are studied, and then the ratio of different series of grouting materials is determined and its properties are tested. The results are as follows: the optimum dosage of water reducer is 0.3; the substitution amount of metakaolin is 10% of cement material; both metakaolin and Ellow stone can improve the stone rate of grouting material. Properties of compressive strength and suspension. The second part uses organic adhesives and high viscosity mineral admixtures as plasticizers for cement slurry. At the same time, the effects of additives such as water-cement ratio and water-reducing agent on the dispersion properties of cement slurry are investigated. An underwater anti-dispersion cement slurry with remarkable anti-dispersion and early strength was developed. The optimum flocculant, water-reducing agent and early strength agent for anti-dispersion grouting material prepared in this paper are HPMC, polycarboxylic acid superplasticizer and calcium chloride, respectively. When the dosage is 0.5 and 1.0 respectively, the effect of flocculation, water reduction and coagulation promotion is the best, and the strength, especially the later strength, is in full conformity with the engineering index, the anti-dispersity and the turbidity are good. The third part uses the high performance cement slurry as the base cement slurry formulation. The surface modification technology is used to treat the basic cement slurry with high strength and the ability to combine with hydrophilic substances such as coal (or fusion). The main purpose is to strengthen coal pillar and coal body in coal face.
【学位授予单位】：河南理工大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：TU578

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