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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发布时间：2020-01-06 00:00:00

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基于三元骨料体系的LC60轻骨料混凝土性能试验研究

Experimental Study on Performance of LC60 Lightweight Aggregate Concrete Based on Ternary Aggregate System

2022年第3期

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

Lightweight aggregate concrete; Fly ash ceramsite; Pumice; Iron tailing; Mix proportion optimization design; Mechanical property

2022年第3期

10.19761/j.1000-4637.2022.03.096.05

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）。

王宏1,2，王丹丹3，朱平1,2，何长龙1,2，王桂敏1,2，盖梅香1,2，孙晓光1,2

1.中建筑港集团有限公司，山东青岛 266032；2.青岛海陆通工程质量检测有限公司，山东青岛 266032；3.青建集团股份公司，山东青岛 266071

王宏1,2，王丹丹3，朱平1,2，何长龙1,2，王桂敏1,2，盖梅香1,2，孙晓光1,2

王宏,王丹丹,朱平,等.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

WANG H,WANG D D,ZHU P,et al.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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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；随着砂率的增大，轻骨料混凝土的干表观密度增大，且当砂率为40%时，轻骨料混凝土的力学性能达到最佳；Design-Expert软件优化结果表明，当粉煤灰陶粒与浮石的质量比为3.13、砂率为36%时，可制备出力学性能较优且干表观密度较低的轻骨料混凝土。 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.

英文名 : Experimental Study on Performance of LC60 Lightweight Aggregate Concrete Based on Ternary Aggregate System

刊期 : 2022年第3期

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

Key words : Lightweight aggregate concrete; Fly ash ceramsite; Pumice; Iron tailing; Mix proportion optimization design; Mechanical property

刊期 : 2022年第3期

DOI : 10.19761/j.1000-4637.2022.03.096.05

文章编号 :

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）。

作者 : 王宏1,2，王丹丹3，朱平1,2，何长龙1,2，王桂敏1,2，盖梅香1,2，孙晓光1,2

单位 : 1.中建筑港集团有限公司，山东青岛 266032；2.青岛海陆通工程质量检测有限公司，山东青岛 266032；3.青建集团股份公司，山东青岛 266071

王宏1,2，王丹丹3，朱平1,2，何长龙1,2，王桂敏1,2，盖梅香1,2，孙晓光1,2

王宏,王丹丹,朱平,等.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

WANG H,WANG D D,ZHU P,et al.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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摘要

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结论

参考文献

引用本文

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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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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