| 基于三元骨料体系的LC60轻骨料混凝土性能试验研究 |
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| 引用本文： | 王宏,王丹丹,朱平,何长龙,王桂敏,盖梅香,孙晓光.基于三元骨料体系的LC60轻骨料混凝土性能试验研究[J].混凝土与水泥制品,2022(3):96-100. |
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| 作者姓名： | 王宏 王丹丹 朱平 何长龙 王桂敏 盖梅香 孙晓光 |
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| 作者单位： | 中建筑港集团有限公司,山东青岛266032;青岛海陆通工程质量检测有限公司,山东青岛266032;青建集团股份公司,山东青岛266071 |
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| 基金项目： | 河北省科技厅重点研发计划项目(20373802D);河北省高校基础科研业务费项目(2021XSTD02)。 |
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| 摘 要： | 研究了铁尾矿砂、浮石、粉煤灰陶粒对轻骨料混凝土抗压强度、劈裂抗拉强度、弹性模量和干表观密度的影响,并利用Design-Expert软件对配合比进行了优化.结果 表明:随着粉煤灰陶粒相对掺量的增加,轻骨料混凝土的力学性能提高,干表观密度增大;随着浮石相对掺量的增加,轻骨料混凝土的力学性能降低,干表观密度减小;随着砂率的增...
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| 关 键 词： | 轻骨料混凝土 粉煤灰陶粒 浮石 铁尾矿砂 配合比优化设计 力学性能 |
Experimental Study on Performance of LC60 Lightweight Aggregate Concrete Based on Ternary Aggregate System |
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| WANG Hong,WANG Dan-dan,ZHU Ping,HE Chang-long,WANG Gui-min,GAI Mei-xiang,SUN Xiao-guang.Experimental Study on Performance of LC60 Lightweight Aggregate Concrete Based on Ternary Aggregate System[J].China Concrete and Cement Products,2022(3):96-100. |
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| Authors: | WANG Hong WANG Dan-dan ZHU Ping HE Chang-long WANG Gui-min GAI Mei-xiang SUN Xiao-guang |
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| Affiliation: | (China Construction Port Group Co.,Ltd.,Qingdao 266032,China;Qingdao Hailutong Engineering Quality Inspection Co.,Ltd.,Qingdao 266032,China;Qingjian Group Co.,Ltd.,Qingdao 266071,China) |
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| Abstract: | The effects of iron tailing sand,pumice and fly ash ceramsite on the compressive strength,splitting tensile strength,elastic modulus and dry apparent density of lightweight aggregate concrete were studied,and the mix proportion was optimized by using Design-Expert software.The results show that the mechanical properties and dry apparent density of lightweight aggregate concrete increase with the increase of the relative content of fly ash ceramsite.With the increase of pumice relative content,the mechanical properties and dry apparent density of lightweight aggregate concrete decrease.With the increase of sand ratio,the dry apparent density of lightweight aggregate concrete increases,and the mechanical properties of lightweight aggregate concrete reach the best when the sand ratio is 40%.The optimization results of Design-Expert software show that when the mass ratio of fly ash ceramsite to pumice is 3.13 and the sand ratio is 36%,the lightweight aggregate concrete with excellent mechanical properties and low dry apparent density can be prepared. |
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| Keywords: | Lightweight aggregate concrete Fly ash ceramsite Pumice Iron tailing Mix proportion optimization design Mechanical property |
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