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廣州某大樓幕墻過火后密封膠的檢測與分析

作者:許文君,劉曉松,李志翔,曾俊鋒

關鍵字:廣州,某,大樓,幕墻,過火,后,密封膠,的,檢測,

 
(廣州建設工程質量安全檢測中心有限公司,廣東 廣州  510440)
    摘要:對廣州某火災大樓的幕墻密封膠進行現場檢查與取樣實驗室檢測,通過分析檢測數據結果表明,過火區域密封膠碳化、脫膠嚴重,未過火區域密封膠質量狀況良好。總結密封膠物理性能指標間存在相應關系,可為今后密封膠試驗數據的準確性判定以及密封膠物理性能現場檢測技術的開發提供參考。
    關鍵詞:既有建筑幕墻;過火密封膠;物理性能檢測
    中圖分類號:TU57+8        文獻標識碼:A        文章編號:1001-702X(2019)09-0165-05
 
Testing and analysis of silicone sealant of building curtain wall in Guangzhou after fire
XU Wenjun,LIU Xiaosong,LI Zhixiang,ZENG Junfeng
(Guangzhou Testing Centre of Construction Quality & Safety Co. Ltd.,Guangzhou 510440,China)
    Abstract:Field inspection and sampling laboratory testing of curtain wall sealant in fire building were carried out. The test data analysis results show serious carbonization and degumming of sealant in burnt area,sealant is in good condition in unburnt area. This paper summarizes the relationship between physical properties of sealant. It provides a theoretical basis for judging the accuracy of sealant test data and developing on-site testing technology of sealant physical properties in the future. 
    Key words:existing building curtain wall,burnt silicone sealant,physical property testing
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