石灰-钢渣-煤矸石混合料力学性能试验研究  

Experimental Study on Mechanical Properties of Lime-steel Slag-coal Gangue Mixture

作　　者：孟文清[1] 冀昊 刘金堂 王鹏[1] 张亚鹏[1] 崔邯龙[1] MENG Wenqing;JI Hao;LIU Jintang;WANG Peng;ZHANG Yapeng;CUI Hanlong(College of Civil Engineering,Hebei University of Engineering,Handan 056038,China;Handan Iron and Steel Co.,Ltd.,Hegang Group,Handan 056015,China)

机构地区：[1]河北工程大学土木工程学院,河北邯郸056038 [2]河钢集团邯郸钢铁有限责任公司,河北邯郸056015

出　　处：《粉煤灰综合利用》2023年第6期99-104,共6页Fly Ash Comprehensive Utilization

基　　金：河北省自然科学基金(E2020402079,E2022402103)。

摘　　要：为解决煤矸石等工业固废在公路中应用存在的问题,本文以煤矸石为主要研究对象,添加一定量的石灰和钢渣,制备石灰-钢渣-煤矸石混合料。采用均匀设计方法,设计6组煤矸石混合料配合比,测试各组混合料的7 d无侧限抗压强度、180 d抗压回弹模量和劈裂强度。利用回归分析的方法,分别得出煤矸石混合料各掺量与三项力学性能间的回归方程,并分析混合料各掺量对三项力学性能的影响。结果表明:该混合料力学性能良好,可应用于不同等级公路的路面基层。In order to solve the problems existing in the application of industrial solid waste such as coal gangue in highway,this paper takes coal gangue as the main research object,and adds a certain amount of lime and steel slag to prepare lime-steel slag-coal gangue mixture the 7 d unconfined compressive strength,180 d compressive rebound modulus and splitting strength of six groups of coal gangue mixture were tested by uniform design method by using the method of regression analysis,it is concluded that coal gangue mixture respectively the content and the regression equation between the mechanical properties of the three,and analysis the mixture content on the mechanical behavior of the three.The results show that the mixture has good mechanical properties and can be applied to the pavement base of different grades of highway.

关 键 词：煤矸石混合料 力学性能 均匀设计 回归分析 路面基层 

分 类 号：TU521[建筑科学—建筑技术科学]