漂浮植生混凝土的制备及其耐水性能研究  

Study on Preparation and Water Resistance of Floating Planting Concrete

作　　者：蒋涛 潘从玲 刘远祥[1] 曹鑫铖 许志杨 张立力 张蕊 JIANG Tao;PAN Cong-ling;LIU Yuan-xiang;CAO Xin-cheng;XU Zhi-yang;ZHANG Li-li;ZHANG Rui(Suzhou Concrete and Cement Products Research Institute Co.,Ltd.,Jiangsu High Durability Concrete Engineering Technology Research Center,Suzhou 215004,China)

机构地区：[1]苏州混凝土水泥制品研究院有限公司江苏省高耐久性混凝土工程技术研究中心,江苏苏州215004

出　　处：《混凝土与水泥制品》2022年第11期80-83,88,共5页China Concrete and Cement Products

基　　金：苏州市建设科技项目(指导类)。

摘　　要：制备了漂浮植生混凝土,研究了有机硅憎水剂掺量(0、1%、2%、3%、4%)对漂浮植生混凝土性能的影响,分析了其作用机理。结果表明:随着憎水剂掺量的增加,保证浆体流动度满足要求(150~160 mm)的减水剂用量增大,试件的吸水率降低,表面水接触角增大;随着憎水剂掺量的增加,漂浮植生混凝土的抗压强度呈先增大后减小的趋势,软化系数增大,内部环境pH值降低;采用3%憎水剂制备的漂浮植生混凝土的植生性能良好。The floating planting concrete was prepared,and the influence of the content of organosilicon hydrophobic agent(0,1%,2%,3%,4%)on the performance of floating planting concrete was studied,and its mechanism was analyzed.The results show that with the increase of the content of hydrophobic agent,the amount of water-reducing agent to ensure the fluidity of the slurry meets the requirements(150~160 mm)increases,the water absorption of the sample decreases,and the surface water contact angle increases.With the increase of the content of hydrophobic agent,the compressive strength of floating planting concrete increases first and then decreases,the softening coefficient increases,and the pH value of the internal environment of floating planting concrete decreases.The floating planting concrete prepared with 3%hydrophobic agent has good planting performance.

关 键 词：漂浮植生混凝土 净浆 憎水性 吸水率 软化系数 抗压强度 PH值 

分 类 号：TU528.042[建筑科学—建筑技术科学]