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|本期目录/Table of Contents|

次轻页岩集料混凝土基本力学性能试验研究

《应用力学学报》[ISSN:1000-4939/CN:61-1112/O3]

期数:
2019年02期
页码:
296-303
栏目:
出版日期:
2018-12-18

文章信息/Info

Title:
Experimental study on basic mechanical properties of specified density shale aggregate concrete
作者:
张向冈12邓大鹏1杨健辉12范利丹12
1 河南理工大学 生态建筑与环境构建河南省工程实验室 454000 焦作;2 河南理工大学 土木工程学院 454000 焦作
Author(s):
Zhang Xianggang12 Deng Dapeng1 Yang Jianhui12 Fan Lidan12
1 Henan Province Engineering Laboratory of Eco-architecture and the Built Environment, Henan Polytechnic University, 454000, Jiaozuo, China; 2 School of Civil Engineering, Henan Polytechnic University, 454000, Jiaozuo, China
关键词:
次轻页岩集料混凝土强度弹性模量泊松比强度指标换算关系
分类号:
TU528
DOI:
10.11776/cjam.36.02.B133
文献标识码:
A
摘要:
为了研究次轻页岩集料混凝土的基本力学性能,以取代率为变化参数,用碎石、河砂分别取代全轻混凝土中的陶粒、陶砂,配制形成石轻混凝土、砂轻混凝土。对其立方体抗压强度、轴心抗压强度、劈裂抗拉强度、抗折强度、弹性模量和泊松比等基本力学性能指标开展了试验研究,获取了次轻页岩集料混凝土的受力破坏形态,分析了取代率对次轻页岩集料混凝土力学性能指标的影响规律。建立了次轻页岩集料混凝土弹性模量、轴心抗压强度与立方体抗压强度换算关系、拉压比与泊松比关系等计算模型。研究结果表明:随着碎石、河砂取代率的增加,次轻页岩集料混凝土的立方体抗压强度、轴心抗压强度、劈裂抗拉强度及抗折强度逐渐增大,弹性模量逐渐增大;石轻混凝土的泊松比呈先减小后增大的变化规律;砂轻混凝土的泊松比则逐渐减小。通过引入取代率影响参数,所建立的计算模型简单实用,计算精度良好。

参考文献/References

[1] 王萧萧,申向东,王海龙,等.石粉掺量对轻骨料混凝土性能的影响[J].建筑材料学报,2015,18(1):49-53.(WANG Xiaoxiao,SHEN Xiangdong,WANG Hailong,et al.Impact of use level of limestone powder on performance of lightweight aggregate concrete[J].Journal of building materials,2015,18(1):49-53(in Chinese)). [2] 赵国藩.高性能材料在结构工程中发展与应用[J].大连理工大学学报,2003,43(3):257-261.(ZHAO Guofan.Development and application of high-performance materials in structural engineering[J].Journal of Dalian university of technology,2003,43(3):257-261(in Chinese)). [3] 王海龙,申向东,王萧萧,等.橡胶轻骨料混凝土的物理力学性能[J].硅酸盐通报,2015,34(8):2267-2273.(WANG Hailong,SHEN Xiangdong,WANG Xiaoxiao,et al.Physical and mechanical properties of rubber lightweight aggregate concrete[J].Bulletin of the Chinese ceramic society,2015,34(8):2267-2273(in Chinese)). [4] 牛建刚,郝吉,孙立斌,等.塑钢纤维轻骨料混凝土与钢筋粘结锚固试验研究[J].工程力学,2017,34(2):42-49.(NIU Jian’gang,HAO Ji,SUN Libin,et al.Research on bond-anchorage behavior between deformed bars and HPP fiber reinforced lightweight aggregate concrete[J].Engineering mechanics,2017,34(2):42-49(in Chinese)). [5] 焦楚杰,高俊岳,王龙,等.轻骨料混凝土的研究进展[J].混凝土,2014(8):111-114.(JIAO Chujie,GAO Junyue,WANG Long,et al.Overview of study on lightweight aggregate concrete[J]. Concrete,2014(8):111-114(in Chinese)). [6] 杨健辉,徐璐,樊晓,等.石轻页岩陶粒混凝土的强度试验研究[J].混凝土,2015(3):82-86.(YANG Jianhui,XU Lu,FAN Xiao,et al.Strength tests of shale ceramsite concrete with part gravel coarse aggregates[J].Concrete,2015(3):82-86(in Chinese)). [7] 杨健辉,张庆兵,余建雨,等.半轻混凝土的物理力学性能变化规律试验研究[J].混凝土,2016(6):1-5.(YANG Jianhui,ZHANG Qingbing,YU Jianyu,et al.Experimental study on change rules of physical and mechanical performances for semi-lightweight concrete[J].Concrete,2016(6):1-5(in Chinese)). [8] 孔丽娟,葛勇,张宝生,等.陶粒对次轻混凝土的强度和抗渗性的影响[J].材料研究学报,2008,22(1):98-101.(KONG Lijuan,GE Yong,ZHANG Baosheng,et al.Effect of ceramsite variety on strength and impermeability of specified density concrete[J].Chinese journal of materials research,2008,22(1):98-101(in Chinese)). [9] 陈连发,王辰,王振雷,等.高强次轻混凝土物理力学性能的研究[J].硅酸盐通报,2015,34(1):265-272.(CHEN Lianfa,WANG Chen,WANG Zhenlei,et al.Research on high strength semi-lightweight concrete of physical and mechanical properties[J].Bulletin of the Chinese ceramic society,2015,34(1):265-272(in Chinese)). [10] OZKAN S,SENEM A,FILIZ K.Effect of expanded perlite on the mechanical properties and thermal conductivity of lightweight concrete[J].Energy and buildings,2011,43(2):671-676. [11] BENTUR A,IGARASHI S I,KOVLER K.Prevention of autogenous shrinkage in high-strength concrete by internal curing using wet lightweight aggregates[J].Cement & concrete research,2001,31(11):1587-1591. [12] 王青原,陈红鸟,张华刚,等.三点弯曲下混凝土梁挠度与裂缝口张开位移关系[J].应用力学学报,2017,34(5):937-943.(WANG Qingyuan,CHEN Hongniao,ZHANG Huagang,et al.The relationship between the deflection of concrete beams and the opening displacement of the crack opening under three point bending[J].Chinese journal of applied mechanics,2017,34(5):937-943(in Chinese)). [13] 孙南屏.混凝土拉压强度比的探讨[J].建筑科学,2014,30(7):19-22.(SUN Nanping.Research on tension and compression’s ratio of concrete[J].Building science,2014,30(7):19-22(in Chinese)).

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