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Development of a cost effective probe for the long term monitoring of straw bale buildings

机译：开发一种经济有效的探针，用于长期监测草捆建筑

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摘要

This paper reviews current methodologies for measuring the moisture content of straw bale walls in buildings. It discusses the development of an affordable and accurate moisture probe that has been designed to be easily assembled by the builder or owner of a straw bale building from items readily available in the United Kingdom (UK). The probe uses a timber block inserted into the wall, relying upon the measurable moisture variances of the timber and relating this to the surrounding straw. The probes are designed to be used in pairs of varying length, taking measurements at different depths to give an estimate of the moisture gradient through the wall. In order to properly calibrate this device, a full set of sorption and desorption isotherms were established for both Oat and Wheat straw and three different timber species. The results from an environmental chamber have been compared to readings from specimens of the new probe installed in a straw bale house in the south west of the UK. The results were found to be consistent, to within 2%, with the laboratory findings.
机译：本文回顾了当前用于测量建筑物中草捆壁含水量的方法。它讨论了一种价格合理且准确的湿度探头的开发，该探头的设计目的是使草捆建筑的建造者或所有者易于从英国（UK）采购的物品进行组装。该探头使用一块插入墙中的木块，这取决于木材的可测量湿度变化并将其与周围的稻草联系起来。这些探头设计为可成对使用，长度可变，可在不同深度进行测量，以估算通过壁的水分梯度。为了正确校准此设备，针对燕麦和小麦秸秆以及三种不同的木材种类，建立了完整的吸附和解吸等温线。已将环境室的结果与安装在英国西南部草捆房中的新探针的标本读数进行比较。结果与实验室发现的结果一致，在2％以内。

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  • 来源
    《Building and Environment》 |2011年第1期|p.156-164|共9页
  • 作者

    Jim Carfrae; Pieter De Wilde; John Littlewood; Steve Goodhew; Peter Walker;

  • 作者单位

    School of Architecture, Reynolds Building University of Plymouth, Drake Circus, Plymouth PL4 8AA, UK;

    rnSchool of Architecture, Reynolds Building University of Plymouth, Drake Circus, Plymouth PL4 8AA, UK;

    rnCardiff School of Art & Design, Department of Architectural Studies, University of Wales Institute Cardiff, UK;

    rnSchool of Architecture, Design and the Built Environment, Nottingham Trent University, UK;

    rnDepartment of Architecture and Civil Engineering, University of Bath. UK;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    straw bale; moisture; isotherm; monitoring-probe; dwellings;

    机译：稻草湿气;等温线监测探针住宅;

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