School of Chemical and Material Engineering,Changzhou lnstitute of Engineering Technology

为评价煤矸石质固土材料固化土的耐久性能,研究了煤矸石质固土材料固化土的耐水性能、耐干湿循环性能、抗冻融性能以及耐酸、碱、盐腐蚀性能,通过与普通硅酸盐水泥固化土的性能对比,对煤矸石质固土材料固化土的耐久性能进行了试验研究。结果表明,煤矸石质固土材料固化土14 d耐水稳定系数为0.94,耐干湿循环交替系数为0.898,抗冻系数为0.9,煤矸石质固土材料固化土在这3项性能上均优于水泥加固土。耐酸碱盐性能方面,煤矸石质固土材料固化土耐酸性略逊于水泥固化土,而耐碱和盐腐蚀性能明显优于水泥固化土。

In oderto evaluate the durability perfomances of th s ablied soil of gangue siaitesaol matera the paper had a stury o the waeresistance perfomances ofthesoldified soil dry and wet cylig perfomancs reze-thaN resistance performances as well a th acvd lal nd satcorosion resistane pefomances of the sabli d soi of ganguesaiteasol maeral n comparison with the cementsolidfriedstl efomances atestan stity was conducted on th soidftiedsail duailty perfomances of the ablied sail f gangue sa lit sil materal The resuts showe ht '4 days waler resistance statiltycoe Ficsent of the solidried sol wthth tabilired sol of gangu sialiesail maeral as 0.94the dry andwetcy lingatematvec ricint was O.89 an the antifrecin ce Fricen was 0. Wihth stabilired soi of ganue siait soi maleral th above the pefomances of the solidfed soiall beterthan the cement olitfiedsail n theaid a火ali an sali corosion resistace performances aspects wit the stabilired sol of gangue salit sol mater the acidresistaceoif he solidfied sol was slihity ower than the cement soliditie stil and the lali and salt comosion resitane perfomances of the solifed sol were obvously eter tihanthe cement sobdified soil.

江苏省科技厅产学研前瞻性联合研究资助项目(BY2016034-01)；