超轻泡沫混凝土结构断层成因及抑制措施研究

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发布时间：2020-01-06 00:00:00

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超轻泡沫混凝土结构断层成因及抑制措施研究

Study on Causes and Restraining Measures of Ultra Light Foamed Concrete Structure Faults

2021年第10期

超轻泡沫混凝土；结构断层；化学发泡；抑制措施：水胶比；纤维；温度

Ultra light foamed concrete; Structural fault; Chemical blowing; Suppression measure; Water-binder ratio; Fiber; Temperature

2021年第10期

10.19761/j.1000-4637.2021.10.062.05

国家重点研发计划课题项目（2018YFD1101002）。

杨俊1,2，杨鼎宜1，王武祥2,3，刘晓通4，张磊蕾2,3，王爱军2，吴子豪2

1.扬州大学建筑科学与工程学院，江苏扬州225009；2.中国建筑材料科学研究总院有限公司，北京100024；3.绿色建筑材料国家重点实验室，北京100024；4.中国建材检验认证集团海南有限公司，海南海口 570100

杨俊1,2，杨鼎宜1，王武祥2,3，刘晓通4，张磊蕾2,3，王爱军2，吴子豪2

杨俊,杨鼎宜,王武祥,等.超轻泡沫混凝土结构断层成因及抑制措施研究[J].混凝土与水泥制品,2021(10):62-66.

YANG J,YANG D Y,WANG W X,et al.Study on Causes and Restraining Measures of Ultra Light Foamed Concrete Structure Faults[J].China Concrete and Cement Products,2021(10):62-66.

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摘要：研究了超轻泡沫混凝土结构断层成因及抑制措施。结果表明：水胶比、浆体温度、速凝剂和纤维掺量对超轻泡沫混凝土中结构断层的形成有重要影响；通过改善发泡浆体的性能、优化水温及速凝剂掺量来平衡料浆的发泡速率和凝结硬化速率、添加纤维来提高多孔结构抵抗内应力的能力，均能有效解决超轻泡沫混凝土结构断层问题；适宜的技术参数为：水胶比控制在0.885~0.965之间，水温设定为30 ℃，速凝剂掺量为6.0%，纤维掺量不低于0.75%。 Abstract: The causes of structural faults and the suppression measures of ultra light foamed concrete were studied. The results show that the water-binder ratio, slurry temperature, accelerating agent and fiber content have important effects on the formation of structural faults in ultra light foamed concrete. The fault problem of ultra light foamed concrete structure can be effectively solved by improving the performance of the foamed slurry, optimizing the water temperature and the accelerating agent content to balance the foaming rate and setting and hardening rate of the slurry, and adding fibers to improve the ability of the porous structure to resist internal stress. The suitable technical parameters are as follows: water-binder ratio is controlled between 0.885 and 0.965, water temperature is 30 ℃, accelerator agent content is 6.0%, fiber content is not less than 0.75%.

英文名 : Study on Causes and Restraining Measures of Ultra Light Foamed Concrete Structure Faults

刊期 : 2021年第10期

关键词 : 超轻泡沫混凝土；结构断层；化学发泡；抑制措施：水胶比；纤维；温度

Key words : Ultra light foamed concrete; Structural fault; Chemical blowing; Suppression measure; Water-binder ratio; Fiber; Temperature

刊期 : 2021年第10期

DOI : 10.19761/j.1000-4637.2021.10.062.05

文章编号 :

基金项目 : 国家重点研发计划课题项目（2018YFD1101002）。

作者 : 杨俊1,2，杨鼎宜1，王武祥2,3，刘晓通4，张磊蕾2,3，王爱军2，吴子豪2

单位 : 1.扬州大学建筑科学与工程学院，江苏扬州225009；2.中国建筑材料科学研究总院有限公司，北京100024；3.绿色建筑材料国家重点实验室，北京100024；4.中国建材检验认证集团海南有限公司，海南海口 570100

杨俊1,2，杨鼎宜1，王武祥2,3，刘晓通4，张磊蕾2,3，王爱军2，吴子豪2

杨俊,杨鼎宜,王武祥,等.超轻泡沫混凝土结构断层成因及抑制措施研究[J].混凝土与水泥制品,2021(10):62-66.

YANG J,YANG D Y,WANG W X,et al.Study on Causes and Restraining Measures of Ultra Light Foamed Concrete Structure Faults[J].China Concrete and Cement Products,2021(10):62-66.

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摘要

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结论

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引用本文

Abstract: The causes of structural faults and the suppression measures of ultra light foamed concrete were studied. The results show that the water-binder ratio, slurry temperature, accelerating agent and fiber content have important effects on the formation of structural faults in ultra light foamed concrete. The fault problem of ultra light foamed concrete structure can be effectively solved by improving the performance of the foamed slurry, optimizing the water temperature and the accelerating agent content to balance the foaming rate and setting and hardening rate of the slurry, and adding fibers to improve the ability of the porous structure to resist internal stress. The suitable technical parameters are as follows: water-binder ratio is controlled between 0.885 and 0.965, water temperature is 30 ℃, accelerator agent content is 6.0%, fiber content is not less than 0.75%.

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