Modeling of wind-driven rain absorption ratio of building exterior finishing materials based on field measurements

作     者：Xing Hu Huibo Zhang Tianda Qian Chi Feng Xing Hu;Huibo Zhang;Tianda Qian;Chi Feng

作者机构：School of DesignShanghai Jiao Tong UniversityShanghai 200240China China-UK Low Carbon CollegeShanghai Jiao Tong UniversityShanghai 200240China School of Architecture and Urban PlanningChongqing UniversityChongqing 400044China 

出 版 物：《Frontiers of Architectural Research》 (建筑学研究前沿（英文版）)

年 卷 期：2024年第13卷第5期

页      面：1145-1157页

核心收录：

学科分类：07[理学] 0707[理学-海洋科学] 

基　　金：Shanghai Municipality Natural Science Foundation(Grant No.21ZR1434400) Key Laboratory of New Technology for Construction of Cities in Mountain Area,Ministry of Education,Chongqing University,China(Grant No.LNTCCMA 20210103) National Natural Science Foundation ofChina(Grant No.51778358) 

主　　题：Wind-driven rain Exterior finishing materials Porosity Capillary absorption coefficient Moisture boundary 

摘      要：Wind-driven rain(WDR)constitutes a significant source of moisture for building facades,which poses considerable challenges to both the thermal insulation performance and long-term durability of *** studies have contributed significantly to the understanding of fluid behavior and moisture response of WDR upon impacting ***,the quantification of absorbed rainwater by the wall remains *** address this gap,this study focuses on comprehending the dynamic WDR absorption behavior of various exterior finishing ***,nine types of finishing materials were selected as research objects and conducted field *** findings reveal that WDR absorption ratio is influenced by physical parameters of materials,surface waterproofing and the cumulative *** multiple regression fittings,we established an empirical WDR absorption ratio calculation *** model serves as a valuable reference for determining building simulation parameters regarding dynamic moisture boundary conditions on the exterior surfaces of *** providing empirical insights into WDR absorption,our research contributes to a more comprehensive understanding of moisture behavior in building envelopes,thereby aiding in the development of effective strategies for enhancing building performance and durability.