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粗骨料取代率对废陶瓷混凝土力学性能的影响
Effects of Replace Rate of Coarse Aggregate on Mechanical Properties of Waste Ceramics Concrete
2019年第3期
取代率;废陶瓷粗骨料混凝土;抗压强度;抗折强度
Replace rate; Recycled coarse aggregate concrete of waste ceramics; Compressive strength; Flexural strength
2019年第3期
10.19761/j.1000-4637.2019.03.097.04
国家级大学生创新创业训练计划项目(2017061 9025)。
苏有文,李 娇,李雪莹,吕雄飞
西南科技大学土木工程与建筑学院,绵阳 621000

苏有文,李 娇,李雪莹,吕雄飞

苏有文,李娇,李雪莹,等.粗骨料取代率对废陶瓷混凝土力学性能的影响[J].混凝土与水泥制品,2019(3):97-100.

SU Y W,LI J,LI X Y,et al.Effects of Replace Rate of Coarse Aggregate on Mechanical Properties of Waste Ceramics Concrete[J].China Concrete and Cement Products,2019(3):97-100.

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摘 要:为研究废陶瓷对混凝土力学性能的影响,选取了六种不同状态的废陶瓷以0、45%、50%、55%、60%、65%、70%、75%、100%的取代率等质量替换天然石子,共制作了294个废陶瓷混凝土抗压试件和抗折试件,养护28 d后分别测试其抗压强度和抗折强度。通过对试验数据的分析,研究了不同废陶瓷取代率对混凝土抗压强度和抗折强度的影响,并运用回归分析方法建立了不同废陶瓷取代率下废陶瓷混凝土抗压强度和抗折强度的预测公式。 Abstract: In order to study the effect of waste ceramics on the mechanical properties of concrete, a systematic study was conducted to replace natural stones with mass such as 0, 45%, 50%, 55%, 60%, 65%, 70%, 75%, 100% replacement rate. Six kinds of waste ceramics in different states were selected to make a total of 294 standard compressive and standard flexural specimens of waste ceramic concrete. After curing for 28 days, the standard compressive strength and flexural strength were tested respectively. Based on the analysis of experimental data, the effects of different replacement rates of waste ceramics on the standard compressive strength and flexural strength were studied. The regression analysis method is used to establish the prediction formula of the standard compressive strength and flexural strength of the waste ceramic concrete with different replacement rates.
英文名 : Effects of Replace Rate of Coarse Aggregate on Mechanical Properties of Waste Ceramics Concrete
刊期 : 2019年第3期
关键词 : 取代率;废陶瓷粗骨料混凝土;抗压强度;抗折强度
Key words : Replace rate; Recycled coarse aggregate concrete of waste ceramics; Compressive strength; Flexural strength
刊期 : 2019年第3期
DOI : 10.19761/j.1000-4637.2019.03.097.04
文章编号 :
基金项目 : 国家级大学生创新创业训练计划项目(2017061 9025)。
作者 : 苏有文,李 娇,李雪莹,吕雄飞
单位 : 西南科技大学土木工程与建筑学院,绵阳 621000

苏有文,李 娇,李雪莹,吕雄飞

苏有文,李娇,李雪莹,等.粗骨料取代率对废陶瓷混凝土力学性能的影响[J].混凝土与水泥制品,2019(3):97-100.

SU Y W,LI J,LI X Y,et al.Effects of Replace Rate of Coarse Aggregate on Mechanical Properties of Waste Ceramics Concrete[J].China Concrete and Cement Products,2019(3):97-100.

摘要
参数
结论
参考文献
引用本文

摘   要:为研究废陶瓷对混凝土力学性能的影响,选取了六种不同状态的废陶瓷以0、45%、50%、55%、60%、65%、70%、75%、100%的取代率等质量替换天然石子,共制作了294个废陶瓷混凝土抗压试件和抗折试件,养护28 d后分别测试其抗压强度和抗折强度。通过对试验数据的分析,研究了不同废陶瓷取代率对混凝土抗压强度和抗折强度的影响,并运用回归分析方法建立了不同废陶瓷取代率下废陶瓷混凝土抗压强度和抗折强度的预测公式。

Abstract: In order to study the effect of waste ceramics on the mechanical properties of concrete, a systematic study was conducted to replace natural stones with mass such as 0, 45%, 50%, 55%, 60%, 65%, 70%, 75%, 100% replacement rate. Six kinds of waste ceramics in different states were selected to make a total of 294 standard compressive and standard flexural specimens of waste ceramic concrete. After curing for 28 days, the standard compressive strength and flexural strength were tested respectively. Based on the analysis of experimental data, the effects of different replacement rates of waste ceramics on the standard compressive strength and flexural strength were studied. The regression analysis method is used to establish the prediction formula of the standard compressive strength and flexural strength of the waste ceramic concrete with different replacement rates.

关键词:
取代率;废陶瓷粗骨料混凝土;抗压强度;抗折强度
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(1)不同废陶瓷粗骨料取代率混凝土的抗压强度随废陶瓷粗骨料取代率的增加呈先增大后减小的趋势;抗压强度达到最大值时,带有砂浆的A类废陶瓷取代率高于无砂浆的B类废陶瓷。A类废陶瓷最优取代率在65%75%之间,B类废陶瓷最优取代率在55%60%之间;A、B二类各组废陶瓷粗骨料混凝土试块的最高抗压强度均超过35 MPa,个别试块甚至达到了42 MPa。
(2)根据试验数据建立了抗压强度、抗折强度以及抗压强度与抗折强度之间关系的回归方程,并进行了相关系数检验。结果表明,所有方程式的相关系数R2均在0.99以上,即方程式具有较好的适用性,可做为不同取代率下废陶瓷混凝土强度预测公式使用,具有一定的实际工程意义。
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苏有文,李娇,李雪莹,.粗骨料取代率对废陶瓷混凝土力学性能的影响[J].混凝土与水泥制品,2019(3):97-100.

SU Y W,LI J,LI X Y,et al.Effects of Replace Rate of Coarse Aggregate on Mechanical Properties of Waste Ceramics Concrete[J].China Concrete and Cement Products,2019(3):97-100.

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