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Comparison Study on Hygric Performance of Bamboo Laminated Lumber and Bamboo Scrimber as Indoor Finishing in Hot-Humid Climate Region

机译:湿热气候区竹层积材与竹cri板室内饰面的保湿性能比较研究

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Bamboo laminated lumber (BSB) and bamboo scrimber (BFB) are two most typical products in bamboo-based panel industry, which are widely used as building indoor finishing. The study aims to clarify the difference between BSB and BFB, in terms of the material property and the construction performance. Material tests including two items for basic properties and four for hygric properties were first carried out, and the results showed that under the influence of bamboo-based panel processing technology, BFB had significantly higher bulk density and lower open porosity, lower moisture storage as well as lower moisture transport properties than BSB. Based on the material parameters, exterior walls construction groups were set in the computer program WUFI Plus with a typical city in North America Hot-Humid climate region as external condition. The annual simulation of coupled heat and moisture process for the construction groups showed that BSB performed better in exhausting the moisture inside the construction, and strengthening the regulating effect on the indoor hygric environment. However, vapor barrier was suggested to be arranged in the upstream side of the moisture flow to avoid its hygric resistance disadvantage.
机译:竹层压板(BSB)和竹板(BFB)是竹基镶板行业中最典型的两种产品,被广泛用作建筑室内装饰。该研究旨在阐明BSB和BFB在材料特性和施工性能方面的区别。首先进行了包括两项基本性能和四种亲水性的材料测试,结果表明,在竹基面板加工技术的影响下,BBF的堆积密度显着提高,开孔率降低,水分储存也降低与BSB相比,它的水分传输性能更低。根据材料参数,在计算机程序WUFI Plus中设置了外墙施工组,并以北美热湿润气候地区的典型城市为外部条件。对建筑群的热湿耦合过程进行的年度模拟表明,BSB在排出建筑内部的湿气方面有更好的表现,并增强了对室内湿度环境的调节效果。然而,建议在水流的上游侧设置防潮层,以避免其防潮的缺点。

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