水库底泥透水混凝土配比及抗压强度检测研究  

Research on the Ratio and Compressive Strength Testing of Permeable Concrete in Reservoir Sediment

作　　者：杨杰峰 YANG Jiefeng(Guangdong Keheng Engineering Testing Co.,Ltd,Foshan 528000,China)

机构地区：[1]广东科衡工程检测有限公司,广东佛山528000

出　　处：《云南水力发电》2024年第7期47-51,共5页Yunnan Water Power

摘　　要：研究旨在探讨水库底泥是否能够代替水泥用于透水混凝土的制备,通过超声波检测结合正交实验方法,研究了水库底泥透水混凝土的配比设计和性能评估。通过正交试验,得出了水库底泥掺量、矿渣粉掺量和增强剂掺量对混凝土性能的影响,最终确定了最佳的配比组合。超声波波速检测方法用于评估混凝土的干密度、总孔隙率、有效孔隙率、透水系数以及抗压强度,揭示了这些性能指标之间的关联。研究结果表明,超声波波速是一种非破坏性的有效检测方法,与混凝土性能密切相关。最终的最佳配比为水库底泥掺量30%、矿渣粉掺量15%和增强剂掺量2.5%,该配比能够实现水库底泥的最大化利用,同时满足透水混凝土的性能要求。因此,研究论证了水库底泥代替水泥在技术和经济上的可行性,为可持续混凝土材料的发展提供了有益信息。This paper explores whether reservoir sediment can replace cement in the preparation of permeable concrete.It studied the mix design and performance evaluation of permeable concrete in reservoir sediment through ultrasonic testing combined with orthogonal experimental methods.Through orthogonal experiments,the effects of the dosage of reservoir sediment,slag powder,and reinforcing agent on the performance of concrete were obtained,and the optimal mix ratio was ultimately determined.The ultrasonic wave velocity detection method is used to evaluate the dry density,total porosity,effective porosity,permeability coefficient,and compressive strength of concrete,revealing the correlation between these performance indicators.The research results indicate that ultrasonic wave velocity is a non-destructive and effective detection method,closely related to the performance of concrete.The final optimal ratio is 30%for reservoir sediment,15%for slag powder,and 2.5%for reinforcing agent.This ratio can achieve maximum utilization of reservoir sediment while meeting the performance requirements of permeable concrete.Therefore,the study demonstrates the technical and economic feasibility of replacing cement with reservoir sediment,providing useful information for the development of sustainable concrete materials.

关 键 词：超声 正交实验 混凝土配比 抗压强度检测 

分 类 号：TV431[水利工程—水工结构工程]