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玻璃粉和钢渣对自密实混凝土力学性能的影响
Effect of Glass Powder and Steel Slag on the Mechanical Properties of Self-compacting Concrete
2020年第9期
玻璃粉；钢渣；自密实混凝土；工作性；力学性能
Glass powder; Steel slag; Self-compacting concrete; Workability; Mechanical property
2020年第9期
10.19761/j.1000-4637.2020.09.088.04
甘肃省科技支撑计划项目（1604GKCA039）。
孟继军
1.甘肃恒石公路检测科技有限公司，甘肃 兰州 730070；2.甘肃省公路路网监测重点实验室 甘肃 兰州 730070

孟继军

孟继军.玻璃粉和钢渣对自密实混凝土力学性能的影响[J].混凝土与水泥制品,2020(9):88-91.

MENG J J.Effect of Glass Powder and Steel Slag on the Mechanical Properties of Self-compacting Concrete[J].CHINA CONCRETE AND CEMENT PRODUCTS,2020(9):88-91.

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摘   要：为研究玻璃粉和钢渣协同使用对自密实混凝土力学性能的影响，分别以20%、30%和40%的玻璃粉替代水泥，40%、60%和80%钢渣替代细骨料，制备了9种不同配合比的自密实混凝土试件，通过坍落度试验、J型环试验、V型漏斗试验和L型仪试验测试了新拌自密实混凝土的工作性，并分析了硬化后自密实混凝土的抗压强度、劈裂抗拉强度、抗折强度和弹性模量。结果表明，当玻璃粉和钢渣协同使用时，可以显著提高钢渣替代细骨料的比例，替代比例高达80%；自密实混凝土的和易性随着玻璃粉含量的增加而增大，随钢渣掺量的增加而减小；抗压强度、劈裂抗拉强度、抗折强度和弹性模量随钢渣掺量的增加而增加，随玻璃粉掺量的增加逐渐减小。自密实混凝土中钢渣和水泥的最佳掺量分别为80%和20%。 Abstract: In order to study the effect of glass powder and steel slag on the mechanical properties of self-compacting concrete, 9 kinds of self-compacting concrete specimens with different mix proportions were prepared by using 20%, 30% and 40% glass powder instead of cement, 40%, 60% and 80% steel slag instead of fine aggregate, respectively. The workability of fresh self-compacting concrete was tested by slump flow test, J-Ring test, V-funnel test and L-box test, and the compressive strength, splitting tensile strength, flexural strength and elastic modulus of hardened self-compacting concrete were analyzed. The results show that when glass powder and steel slag are used together, the substitution ratio of steel slag to replace fine aggregate can significantly increase, and the substitution ratio is as high as 80%. The workability of self-compacting concrete increases with the increase of glass powder content, and decreases with the increase of steel slag content. The compressive strength, splitting tensile strength, flexural strength and elastic modulus increase with the increase of steel slag content, and decrease with the increase of glass powder content. The optimum content of steel slag and cement in self-compacting concrete is 80% and 20%, respectively.
英文名 : Effect of Glass Powder and Steel Slag on the Mechanical Properties of Self-compacting Concrete
刊期 : 2020年第9期
关键词 : 玻璃粉；钢渣；自密实混凝土；工作性；力学性能
Key words : Glass powder; Steel slag; Self-compacting concrete; Workability; Mechanical property
刊期 : 2020年第9期
DOI : 10.19761/j.1000-4637.2020.09.088.04
文章编号 :
基金项目 : 甘肃省科技支撑计划项目（1604GKCA039）。
作者 : 孟继军
单位 : 1.甘肃恒石公路检测科技有限公司，甘肃 兰州 730070；2.甘肃省公路路网监测重点实验室 甘肃 兰州 730070

孟继军

孟继军.玻璃粉和钢渣对自密实混凝土力学性能的影响[J].混凝土与水泥制品,2020(9):88-91.

MENG J J.Effect of Glass Powder and Steel Slag on the Mechanical Properties of Self-compacting Concrete[J].CHINA CONCRETE AND CEMENT PRODUCTS,2020(9):88-91.

摘要
参数
结论
参考文献
引用本文

摘   要：为研究玻璃粉和钢渣协同使用对自密实混凝土力学性能的影响，分别以20%、30%和40%的玻璃粉替代水泥，40%、60%和80%钢渣替代细骨料，制备了9种不同配合比的自密实混凝土试件，通过坍落度试验、J型环试验、V型漏斗试验和L型仪试验测试了新拌自密实混凝土的工作性，并分析了硬化后自密实混凝土的抗压强度、劈裂抗拉强度、抗折强度和弹性模量。结果表明，当玻璃粉和钢渣协同使用时，可以显著提高钢渣替代细骨料的比例，替代比例高达80%；自密实混凝土的和易性随着玻璃粉含量的增加而增大，随钢渣掺量的增加而减小；抗压强度、劈裂抗拉强度、抗折强度和弹性模量随钢渣掺量的增加而增加，随玻璃粉掺量的增加逐渐减小。自密实混凝土中钢渣和水泥的最佳掺量分别为80%和20%。

Abstract: In order to study the effect of glass powder and steel slag on the mechanical properties of self-compacting concrete, 9 kinds of self-compacting concrete specimens with different mix proportions were prepared by using 20%, 30% and 40% glass powder instead of cement, 40%, 60% and 80% steel slag instead of fine aggregate, respectively. The workability of fresh self-compacting concrete was tested by slump flow test, J-Ring test, V-funnel test and L-box test, and the compressive strength, splitting tensile strength, flexural strength and elastic modulus of hardened self-compacting concrete were analyzed. The results show that when glass powder and steel slag are used together, the substitution ratio of steel slag to replace fine aggregate can significantly increase, and the substitution ratio is as high as 80%. The workability of self-compacting concrete increases with the increase of glass powder content, and decreases with the increase of steel slag content. The compressive strength, splitting tensile strength, flexural strength and elastic modulus increase with the increase of steel slag content, and decrease with the increase of glass powder content. The optimum content of steel slag and cement in self-compacting concrete is 80% and 20%, respectively.

关键词:
玻璃粉
the
of
and
slag
steel
钢渣
self-compacting
strength
密实
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（1）玻璃粉和钢渣协同使用时，当玻璃粉替代水泥的比例小于20%时，可以显著提高钢渣在自密实混凝土中的利用率。
（2）自密实混凝土的和易性随着玻璃粉替代水泥比例的增加而提高，随钢渣替代细骨料比例的增加而减小。
（3）随着钢渣替代细骨料比例的增加，自密实混凝土的抗压强度、劈裂抗拉强度、抗折强度和弹性模量随之增加。随着玻璃粉替代水泥比例的增加，自密实混凝土的抗压强度、劈裂抗拉强度、抗折强度和弹性模量逐渐减小。
（4）玻璃粉和钢渣协同使用时的最佳掺量为：玻璃粉替代水泥的比例为20%，钢渣替代细骨料的比例为80%。

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[3] 何若楠,王元纲,黄凯健,等.钢渣微粉及复合掺合料对水泥和自密实混凝土性能的影响[J].混凝土与水泥制品,2019(6):92-97.
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[11] PATRA R K,MUKHARJEE B B.Influence of incorporation of granulated blast furnace slag as replacement of fine aggregate on properties of concrete[J].Journal of Cleaner Production,2017, 165(1):468-476.

孟继军.玻璃粉和钢渣对自密实混凝土力学性能的影响[J].混凝土与水泥制品,2020(9):88-91.

MENG J J.Effect of Glass Powder and Steel Slag on the Mechanical Properties of Self-compacting Concrete[J].CHINA CONCRETE AND CEMENT PRODUCTS,2020(9):88-91.

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