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根据Boycott血液类胶体在倾斜管中沉降测试分析的方法，对水泥浆体的自然沉降分离状态进行了观测研究。研究表明，常用水灰比的水泥浆的自然沉降状态以胶体的渗透流为主，初始沉降速度增大和沉降中止时间提前是倾斜管中沉降的特点，但最终沉降泌水总量两者相近。
According to the method of sedimentation test of Boycott blood colloid in inclined tube, the natural sedimentation and separation state of cement slurry was observed. The research shows that the natural sedimentation state of cement slurry with common water-cement ratio is mainly colloidal percolation flow. The initial settlement velocity increases and the settlement termination time advances is the characteristic of the settlement in inclined tubes, but the total amount of final sedimentation and bleeding is similar.