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本文着重论述了丙凝化灌体的抗挤能力,指出丙凝自身的力学强度是决定化灌体抗挤能力的首要因素。岩体裂隙的宽度对化灌体抗挤能力有重要影响,充填在微细裂隙内的丙凝体具有很高的抗挤强度。新老丙凝结合良好,必要时可对已建帷幕进行复灌修补。文中还讨论了水泥-丙凝混合帷幕的设计、丙凝用于固砂止水时的抗挤能力和有关丙凝化灌的配方及浓度等问题。
This paper focuses on the anti-squeeze ability of the propyl-containing irrigated body, and points out that the mechanical strength of acrylamide is the primary factor that determines the anti-squeeze ability of the irrigated body. The width of rock fractures has an important impact on the anti-squeezing ability of chemical fillings. Propylene filled in fine cracks has a high anti-squeezing strength. The old and new C are well combined. If necessary, the curtain can be re-irrigated. The paper also discusses the design of the cement-acrylic mixed curtain, the anti-squeezing ability of the coagulant for solidifying and sealing water, and the formula and concentration of the propellant-based irrigation.