再生骨料黏附砂浆含量对人工成孔透水混凝土抗冻性的影响

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发布时间：2020-01-06 00:00:00

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再生骨料黏附砂浆含量对人工成孔透水混凝土抗冻性的影响

Effect of Recycled Aggregate Attached Mortar Content on Frost Resistance of Artificial Porous Pervious Concrete

2021年第1期

再生透水混凝土；抗冻耐久性；黏附砂浆；界限含量

Recycled pervious concrete; Frost resistance; Attached mortar; Limit content

2021年第1期

10.19761/j.1000-4637.2021.01.080.06

国家自然科学基金项目（51278073、51878081）。

臧旭航1，朱平华1，王新杰1，陈春红1，刘惠1，许鸣2

1.常州大学环境与安全工程学院，江苏常州 213161；2.常州市建筑科学研究院集团股份有限公司，江苏常州 213001

臧旭航1，朱平华1，王新杰1，陈春红1，刘惠1，许鸣2

臧旭航,朱平华,王新杰,等.再生骨料黏附砂浆含量对人工成孔透水混凝土抗冻性的影响[J].混凝土与水泥制品,2021(1):80-84,99.

ZANG X H,ZHU P H,WANG X J,et al.Effect of Recycled Aggregate Attached Mortar Content on Frost Resistance of Artificial Porous Pervious Concrete[J].CHINA CONCRETE AND CEMENT PRODUCTS,2021(1):80-84,99.

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摘要：研究了不同冻融工况下黏附砂浆含量对高强再生透水混凝土抗冻耐久性的影响，并用SEM对其微观机理进行了分析。结果表明，300次冻融循环后，以相对动弹性模量不低于60%和抗压强度损失率不高于25%为失效准则，确定了再生粗骨料黏附砂浆的界限含量分别为41.19%和43.89%。在设计使用年限分别为100年、50年和30年的严寒地区高度饱水条件下，再生粗骨料最大黏附砂浆含量分别为33.00%、38.94%和40.27%。 Abstract: The influence of attached mortar content on the frost resistance of high strength recycled pervious concrete under different freeze-thaw conditions was studied, and the microscopic mechanism was analyzed by SEM. The results show that after 300 freezing-thawing cycles, taking the relative dynamic elastic modulus of not less than 60% and the loss rate of compressive strength not more than 25% as the failure criterion, the limit content of recycled coarse aggregate attached mortar is determined to be 41.19% and 43.89%, respectively. When the designed service life is 100 years, 50 years and 30 years respectively, the maximum attached mortar content of recycled coarse aggregate applied for structural concrete is 33.00%, 38.94% and 40.27%, respectively.

英文名 : Effect of Recycled Aggregate Attached Mortar Content on Frost Resistance of Artificial Porous Pervious Concrete

刊期 : 2021年第1期

关键词 : 再生透水混凝土；抗冻耐久性；黏附砂浆；界限含量

Key words : Recycled pervious concrete; Frost resistance; Attached mortar; Limit content

刊期 : 2021年第1期

DOI : 10.19761/j.1000-4637.2021.01.080.06

文章编号 :

基金项目 : 国家自然科学基金项目（51278073、51878081）。

作者 : 臧旭航1，朱平华1，王新杰1，陈春红1，刘惠1，许鸣2

单位 : 1.常州大学环境与安全工程学院，江苏常州 213161；2.常州市建筑科学研究院集团股份有限公司，江苏常州 213001

臧旭航1，朱平华1，王新杰1，陈春红1，刘惠1，许鸣2

臧旭航,朱平华,王新杰,等.再生骨料黏附砂浆含量对人工成孔透水混凝土抗冻性的影响[J].混凝土与水泥制品,2021(1):80-84,99.

ZANG X H,ZHU P H,WANG X J,et al.Effect of Recycled Aggregate Attached Mortar Content on Frost Resistance of Artificial Porous Pervious Concrete[J].CHINA CONCRETE AND CEMENT PRODUCTS,2021(1):80-84,99.

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参考文献

引用本文

Abstract: The influence of attached mortar content on the frost resistance of high strength recycled pervious concrete under different freeze-thaw conditions was studied, and the microscopic mechanism was analyzed by SEM. The results show that after 300 freezing-thawing cycles, taking the relative dynamic elastic modulus of not less than 60% and the loss rate of compressive strength not more than 25% as the failure criterion, the limit content of recycled coarse aggregate attached mortar is determined to be 41.19% and 43.89%, respectively. When the designed service life is 100 years, 50 years and 30 years respectively, the maximum attached mortar content of recycled coarse aggregate applied for structural concrete is 33.00%, 38.94% and 40.27%, respectively.

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再生骨料黏附砂浆含量对人工成孔透水混凝土抗冻性的影响

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