掺废塑料瓶碎料的水泥砂砖技术性能试验研究  

Experimental study on the technical performance of cement sand bricks mixed with waste plastic bottle shreds

作　　者：林滢 聂忆华[1] 李润瑶 陈诗琦 李臻 王康旭 吴越 LIN Ying;NIE Yihua;LI Runyao;CHEN Shiqi;LI Zhen;WANG Kangxu;WU Yue(School of Civil Engineering,Hunan University of Science and Technology,Xiangtan 411201,China)

机构地区：[1]湖南科技大学土木工程学院,湖南湘潭411201

出　　处：《再生资源与循环经济》2022年第8期34-36,共3页Recyclable Resources and Circular Economy

基　　金：湖南省大学生创新创业训练计划项目:废弃塑料瓶再生砖(湘教通[2021]197(No.2862))。

摘　　要：为有效再生利用废塑料瓶,研究将废塑料瓶碎料掺入到水泥砂砖中,通过抗压强度、抗折强度、裂缝深度等技术指标的试验变化规律,确定不同掺量下废塑料瓶碎料对再生砖强度及裂缝深度的影响规律。试验结果分析表明:采用4%废塑料瓶碎料等体积替代水泥砂砖中河砂,可以有效提高水泥砂砖的抗压、抗折强度,且抗折破坏时由脆性破坏变为延性破坏,产生的裂缝深度最短,性能最佳。For the effective recycling and utilization of waste plastic bottles,this research mixes the particles of waste plastic bottle into cement sand bricks and determines the laws that the particles of waste plastic bottle of different mixing amounts affect the strength of recycled bricks and crack depth by testing the rules of changes according to compressive strength,rupture strength,crack depth and other technical indexes.According to the test results,isopyknic substitution of river sand in cement sand bricks with waste plastic bottle particles of 4%can effectively improve the compressive strength and rupture strength of cement sand bricks,and brittle fracture is changed into ductile failure during the fracture resistance.In this way,the bricks show the shortest crack depth and the best performance.

关 键 词：废塑料瓶碎料 水泥砂砖 再生 技术性能 规律 

分 类 号：X705[环境科学与工程—环境工程] X799.1