采用自行研制的水泥砂浆塑性收缩应力测试装置和非接触式测长装置，分别研究了低掺量的聚丙烯纤维对水泥砂浆塑性收缩应力和塑性收缩率的影响。
The effects of polypropylene fiber on the plastic shrinkage stress and plastic shrinkage ratio of the mortars were investigated by use of a self-designed measuring device.
介绍了滤纸法量测非饱和土吸力的工作原理，以及滤纸接触法量测土体基质吸力和非接触法量测土体总吸力的试验方法和注意事项。
The basic principle, approach and precautions for measuring both the matric and the total suction of unsaturated soils using the filter paper method are introduced.
介绍了滤纸法量测非饱和土吸力的工作原理，以及滤纸接触法量测土体基质吸力和非接触法量测土体总吸力的试验方法和注意事项。
The basic principle, approach and precautions for measuring both the matric and the total suction of unsaturated soils using the filter paper method are introduced.
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