论文部分内容阅读
为了解决建筑物及其基础细微裂隙的补强和固结问题,我们在中国科学院化学研究所、武汉化学研究所(现改名为广州化学研究所)等单位协作下,于1960年初开始对甲基丙烯酸甲酯(MMA)作为化学灌浆材料进行研究。这类材料具有下列优点:1、粘度比水低,表面张力约为水的三分之一,有很好的渗透能力,可灌性好;2、采用过氧化苯甲酰(BPO)为引发剂、二甲基苯胺(DMA)为促进剂时,在摄氏零度以下—19～—23℃仍可以聚合硬化,硬化时间可以控制;
In order to solve the problem of reinforcing and consolidating the fine cracks in the building and its foundation, we cooperated with the Institute of Chemistry, Chinese Academy of Sciences and the Wuhan Institute of Chemistry (now renamed as Guangzhou Institute of Chemistry) Methyl acrylate (MMA) was studied as a chemical grouting material. Such materials have the following advantages: 1, lower viscosity than water, the surface tension is about one-third of water, good permeability, good irrigation; 2, the use of benzoyl peroxide (BPO) Agent, dimethylaniline (DMA) as a promoter, it can still be polymerized and hardened at a temperature of minus 0 ° C -19 to -23 ° C, and the hardening time can be controlled;