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预制混凝土外墙保温板系统的连接性能研究
Research on the connection performance of the prefabricated concrete external wall insulation panel system
2023年第7期
预制混凝土外墙保温板;界面拉伸黏结强度;反向拉拔力;锚固件;保温板
Prefabricated concrete external wall insulation panel; Tensile bond strength of interface; Reverse pull-out capacity; Anchor; Insulation panel
2023年第7期
10.19761/j.1000-4637.2023.07.061.05
“十四五”国家重点研发计划项目(2022YFC3801401-3);上海市科委社发项目(22dZ1203102)。
陈 宁,董庆广,王 娟
上海市建筑科学研究院有限公司,上海 201100

陈 宁,董庆广,王 娟

陈宁,董庆广,王娟.预制混凝土外墙保温板系统的连接性能研究[J].混凝土与水泥制品,2023(7):61-65.

CHEN N,DONG Q G,WANG J.Research on the connection performance of the prefabricated concrete external wall insulation panel system[J].China Concrete and Cement Products,2023(7):61-65.

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摘   要:为研究预制混凝土外墙保温板系统的连接安全性,开展了保温板与抹面砂浆、混凝土的拉伸黏结强度试验,并进行了不同锚固件(HY-80、HY-60和HY-40)反向拉拔力和变形特性研究。结果表明:乳液型界面剂可有效改善聚合物砂浆与保温板的相容性,相应界面黏结强度提升了约85%;保温板采用钢丝网构造加强措施有利于提高保温板与混凝土的界面黏结强度;HY-80和HY-60与HY-40不锈钢锚固件相比,其反向拉拔力分别提高了32.8%和20.0%,可有效提升预制混凝土外墙保温板系统的连接性能。 Abstract: In order to study the structural connection safety of the prefabricated concrete external wall insulation panel system, the tensile bond strength tests of the insulation panel surface mortar and concrete were carried out, and the reverse pull-out capacity and deformation characteristics of the anchors(HY-80, HY-60, HY-40) were analyzed. The results show that lotion type interfacial agent can effectively improve the compatibility of polymer mortar and silicone insulation panel, and the interfacial bonding strength is increased by 85%. At the same time, the insulation panel strengthened by steel mesh structure can improve of the bonding strength between the insulation panel and the concrete interface. Compared with HY-40 stainless steel anchors, using the HY-80 and HY-60 has 32.8% and 20.0% higher reverse pull-out force respectively, which can improve the connection performance of the prefabricated concrete external wall insulation panel system.
英文名 : Research on the connection performance of the prefabricated concrete external wall insulation panel system
刊期 : 2023年第7期
关键词 : 预制混凝土外墙保温板;界面拉伸黏结强度;反向拉拔力;锚固件;保温板
Key words : Prefabricated concrete external wall insulation panel; Tensile bond strength of interface; Reverse pull-out capacity; Anchor; Insulation panel
刊期 : 2023年第7期
DOI : 10.19761/j.1000-4637.2023.07.061.05
文章编号 :
基金项目 : “十四五”国家重点研发计划项目(2022YFC3801401-3);上海市科委社发项目(22dZ1203102)。
作者 : 陈 宁,董庆广,王 娟
单位 : 上海市建筑科学研究院有限公司,上海 201100

陈 宁,董庆广,王 娟

陈宁,董庆广,王娟.预制混凝土外墙保温板系统的连接性能研究[J].混凝土与水泥制品,2023(7):61-65.

CHEN N,DONG Q G,WANG J.Research on the connection performance of the prefabricated concrete external wall insulation panel system[J].China Concrete and Cement Products,2023(7):61-65.

摘要
参数
结论
参考文献
引用本文

摘   要:为研究预制混凝土外墙保温板系统的连接安全性,开展了保温板与抹面砂浆、混凝土的拉伸黏结强度试验,并进行了不同锚固件(HY-80、HY-60和HY-40)反向拉拔力和变形特性研究。结果表明:乳液型界面剂可有效改善聚合物砂浆与保温板的相容性,相应界面黏结强度提升了约85%;保温板采用钢丝网构造加强措施有利于提高保温板与混凝土的界面黏结强度;HY-80和HY-60与HY-40不锈钢锚固件相比,其反向拉拔力分别提高了32.8%和20.0%,可有效提升预制混凝土外墙保温板系统的连接性能。

Abstract: In order to study the structural connection safety of the prefabricated concrete external wall insulation panel system, the tensile bond strength tests of the insulation panel surface mortar and concrete were carried out, and the reverse pull-out capacity and deformation characteristics of the anchors(HY-80, HY-60, HY-40) were analyzed. The results show that lotion type interfacial agent can effectively improve the compatibility of polymer mortar and silicone insulation panel, and the interfacial bonding strength is increased by 85%. At the same time, the insulation panel strengthened by steel mesh structure can improve of the bonding strength between the insulation panel and the concrete interface. Compared with HY-40 stainless steel anchors, using the HY-80 and HY-60 has 32.8% and 20.0% higher reverse pull-out force respectively, which can improve the connection performance of the prefabricated concrete external wall insulation panel system.

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(1)不同界面剂对保温板界面拉伸黏结强度的影响程度不同;粉体界面剂对保温板与聚合物砂浆拉伸黏结强度无明显影响,破坏面在保温板浅表层和找平砂浆与界面剂的界面处;乳液界面剂对保温板与聚合物砂浆拉伸黏结强度影响较大,提升幅度达到了85%,建议采用乳液界面剂提高聚合物砂浆与保温板的相容性。
(2)保温板采用内部铺设双层钢丝网作为构造加强措施有利于提高保温板与混凝土的界面黏结强度。
(3)锚固件的尾盘直径越大,保温板系统的最大反向拉拔力越大。

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[9] 郑旭,郑勇,刘海成,等.夹心保温外墙板用不锈钢拉结件抗剪承载力研究[J].混凝土与水泥制品,2020(12):63-67.

陈宁,董庆广,王娟.预制混凝土外墙保温板系统的连接性能研究[J].混凝土与水泥制品,2023(7):61-65.

CHEN N,DONG Q G,WANG J.Research on the connection performance of the prefabricated concrete external wall insulation panel system[J].China Concrete and Cement Products,2023(7):61-65.

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