In this study, the effects of Perlite, Leca, and Scoria as lightweight aggregates have been investigated on the properties of self-compacting concrete at the fresh and hardened phases. For this purpose, the ratio of water to cement and super lubricant were kept constant in the mixing rules. Performance tests, such as Slump flow, J ring, U box, L box, and V-funnel tests, were used to investigate the flow ability, passing ability, and the resistance of concrete against detachment. The results showed that the performance of the witness concrete decreased due to the high water absorption of lightweight aggregate. The mechanical properties of hard self-compacting concrete have also been investigated in this study. A set of experiments, such as compressive strength, tensile strength, flexural strength, water diffusion, water absorption, and also corrosion tests in the sulfate and acid environments, were performed for this purpose. The results indicated that the addition of lightweight aggregate decreased the strength and increased the value of water absorption in all cases. It was also observed that the self-compacting lightweight concrete (SCLC) had less resistance during the compression in comparison with the ordinary self-compacting concrete in sulfate and acid environments.

在这项研究中，已经研究了珍珠岩，莱卡和Scoria作为轻质骨料在新鲜和硬化阶段对自密实混凝土性能的影响。为此，在混合规则中将水与水泥和超级润滑剂的比例保持恒定。性能测试（例如坍落度流动，J形环，U形盒，L形盒和V型漏斗测试）用于研究流动性，通过能力和混凝土的抗剥离性。结果表明，由于轻质骨料的高吸水率，见证混凝土的性能下降。这项研究还研究了硬质自密实混凝土的力学性能。一组实验，例如抗压强度，拉伸强度，弯曲强度，水扩散，吸水率，为此，还要在硫酸盐和酸性环境中进行腐蚀测试。结果表明，在所有情况下，添加轻质骨料都会降低强度并增加吸水率。还观察到，与普通硫酸盐和酸性环境中的自密实混凝土相比，自密实轻质混凝土（SCLC）在压缩过程中的抗性较小。