改性聚丙烯纤维混凝土碳化试验研究.pdfVIP

1 2 3 窦法山 杜莉莉 代兵权 ( 1 , 45000 8; 2 , 4500 17 ; 3 , 450002) ( ) , 3, 8, 2 8 d , , , , ; ; ; EXPERIMENTAL RESEARCH ON CARBONIZATION OF MODIFIED POLYPROPYLENE FIBER CONCRETE 1 2 3 Do u F ash an Du L ili Dai Bing qu an ( 1Zheng dong N ew D istrict M anag em ent Comm ittee of Zhengzho u , Zheng zho u 4 5000 8, China; 2Z ho ng yu an Env iro nm ental Pro tection Co. Ltd , Z hengzhou 4500 17 , China; 3College o f Water Con serv ancy Env ir onm ental Eng ineering , Zheng zho u U niv ersit y, Z hengzhou 450002 , China) Abstract:T he concrete m ixed w ith mo dif ied po ly pr opylene f iber and po ly pr opylene hybrid f iber ( modif ied f iber and the nonmodif ied f iber combinatio n) w as m ade to carbonize throug h f ast carbo nation test , then t he carbonizatio n dept hs of 3, 8 and 28 d in diff er ent f iber co mbination s of co ncr ete w ere m easured , w hich w ere comp ared w ith co mmon concrete It is r esear ched th at the eff ect of modif ied po ly pr opylene f iber and polypro py lene hy br id f iber on the car bo nizat ion per f or m ance of co ncr et e T he test result s indicate th at , carbonizatio n dept h of concrete can be raised by m ixing mo dif ied po ly pr opylene sing ledop ed f iber, but polypro py lene hy brid f iber can improv e ant i carbonization p erf o rm ance of co ncr et e, w hose eff ect is better th an modif ied polypro py lene sing ledop ed f iber and commo n concrete Keywor s: modif ied poy pr opylene f iber; polypropy lene hy br id f iber; f iber concrete; car bo nization per f or m ance , 0