矿渣-石灰石粉混凝土柱受压性能研究  

Study on compressive performance of slag-limestone powder concrete column

作　　者：郭菁峰 吕恒林 沈晨骁[1] 马晖皓 武业忱 GUO Jingfeng;LÜHenglin;SHEN Chenxiao;MA Huihao;WU Yechen(School of Mechanics and Civil Engineering,China University of Mining and Technology,Xuzhou 221116,China;Key Laboratory of Engineering Environmental Impact and Structural Safety,Jiangsu Province,China University of Mining and Technology,Xuzhou 221116,China;Jiangsu Collaborative Innovation Center of Building Energy-saving and Construction Technology,Jiangsu Vocational Institute of Architectural Technology,Xuzhou 221116,China)

机构地区：[1]中国矿业大学力学与土木工程学院,江苏徐州221116 [2]中国矿业大学江苏省工程环境影响与结构安全重点实验室,江苏徐州221116 [3]江苏建筑职业技术学院江苏建筑节能与建筑技术协调创新中心,江苏徐州221116

出　　处：《混凝土》2024年第10期32-36,共5页Concrete

基　　金：国家重点研发计划课题“绿色宜居村镇环境生态修复技术体系研究”(2018YFD1100203);徐州市重点研发计划项目(社会发展)(KC16SS088);江苏建筑节能与建造技术协同创新中心2021年青年博士基金计划项目“寒冷地区复合石灰石粉-尾矿渣混合砂混凝土基本力学性能与耐久性能研究”(SJXTBS2128)。

摘　　要：为研究矿渣-石灰石粉混凝土柱的受压性能,主要通过将掺量为20%的石灰石粉和30%的矿渣等质量取代普通硅酸盐水泥制成C40、C50两类混凝土柱,将其受压性能与基准柱受压性能进行比较,并采用ABAQUS有限元软件对试验进行了建模分析。结果表明:矿渣-石灰石粉混凝土受压柱裂缝的发展和破坏形态、受压钢筋荷载-应变曲线与普通混凝土受压柱相似;其轴心受压柱中央截面处的混凝土压应变比普通混凝土受压柱稍大;ABAQUS有限元软件分析得到的力学性能和试验数值相近。In order to study the compressive performance of slag-limestone powder concrete columns,C40 and C50 concrete columns were mainly made by replacing ordinary Portland cement with limestone powder with 20%content and 30%slag,and their compressive performance was compared with the compression performance of the reference column,and the experimental test was modeled and analyzed by ABAQUS finite element software.The results show that the development and failure form of cracks and the load-strain curve of compressed steel bar of slag-limestone powder concrete are similar to those of ordinary concrete compression column.The concrete compressive strain at the central section of the axial compression column is slightly larger than that of ordinary concrete compression column.The mechanical properties and test values obtained by ABAQUS finite element software analysis are similar.

关 键 词：矿渣-石灰石粉 混凝土柱 受压性能 ABAQUS 

分 类 号：TU528.01[建筑科学—建筑技术科学]