龙滩有层面碾压混凝土的试验研究

Experiment Researches on RCC with Layer Surfaces for Longtan Project

本试验侧重有层面碾压混凝土的性能研究。重点研究了不同层间间隔时间、不同层面处理方式、不同胶凝材料用量、不同试验龄期的碾压混凝土层面抗剪断特性 ,层面强度特性、变形性能、抗渗性能等 ,并给出相关关系式 ;通过比较论证了采用水泥砂浆作为处理层面结合的材料的可行性。研究工作针对龙滩高碾压混凝土重力坝设计的需要 ,其成果为即将开工的龙滩工程建设提供了重要的参考依据。

This paper has been aimed at the performance researches of RCC with layer suface.Under diffent intervals between the upper and down layer,different measures for treatment of layer surface,and utilizing different floccutating materials cocumption and different experiment\|age,important studies were shear resistance,strength characteristis,deformation performance and impermenbility.and the depentance relations have been obtained.The feasibility of pulveriled fuel ash paste being treatment material of layer surface has been verifed by comparison.Amied at the design demands of high RCC gravity dam for longtan project that is about to start,the results of studies will provide the important reference basis.