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首页> 外文期刊>Building and Environment >Fluctuations in the indoor environment in Spanish rural churches and their effects on heritage conservation: Hygro-thermal and CO_2 conditions monitoring
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Fluctuations in the indoor environment in Spanish rural churches and their effects on heritage conservation: Hygro-thermal and CO_2 conditions monitoring

机译：西班牙乡村教堂室内环境的波动及其对遗产保护的影响：湿热和CO_2条件监测

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摘要

The indoor environment and its natural dynamics in small Spanish historical churches such as the studied here depend on the variations of outdoor climate and the moisture dynamics of walls, built with different materials. Such indoor environments are impacted by local factors, which may put at risk the conservation of a church's cultural assets. Natural ventilation in spring, the presence of people and especially the wintertime use of ageing heating system induce substantial fluctuations in indoor environments primarily affecting the stability of relative humidity (RH). RH is the physical parameter that can induce efflorescence as well as plaster blistering and detachment in its inside walls, drying and cracking in the timber and efflorescence and disgregation in the carved dolostone. Where the RH inside building is not high, as in the present case, natural and induced fluctuations may lower it considerably (＜25%), which is detrimental to conservation and human well-being both. Human presence partially counters the steep declines in RH attributable to heating in winter and warm, dry summer weather, although the trade-off is a rise in CO_2 levels inside the church. Heating induces substantial changes in the T and RH on the high altar and in the upper areas of the nave, while natural ventilation affects the RH at the base of the church and favours the elimination of CO_2. The results obtained have allowed us to develop a series of recommendations that might be useful for the preventive conservation of such historic buildings, without compromising human comfort.
机译：西班牙小型历史教堂中的室内环境及其自然动力学（例如在此进行的研究）取决于室外气候的变化以及用不同材料建造的墙壁的水分动态。这样的室内环境受当地因素的影响，这可能会使教堂文化资产的保存面临风险。春天的自然通风，人们的到来，尤其是冬天使用老化的供暖系统，会在室内环境中引起较大的波动，主要影响相对湿度（RH）的稳定性。 RH是物理参数，可引起风化以及其内壁的灰泥起泡和分离，木材的干燥和开裂以及雕刻的白云岩中的风化和分散。如本例所示，在建筑物内的相对湿度不高的地方，自然和人为的波动可能会大大降低它（＜25％），这对保护和人类福祉都有害。人类的存在可以部分抵消由于冬季取暖和夏季温暖干燥的天气而导致的相对湿度的急剧下降，尽管要权衡的是教堂内部二氧化碳的水平升高。加热导致高祭坛和中殿上部区域的T和RH发生实质性变化，而自然通风会影响教堂底部的RH并有利于消除CO_2。获得的结果使我们能够提出一系列建议，这些建议可能有助于在不损害人类舒适度的前提下对此类历史建筑进行预防性保护。

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  • 来源
    《Building and Environment》 |2014年第12期|97-109|共13页
  • 作者

    M.J. Varas-Muriel; R. Fort; M.I. Martinez-Garrido; A. Zornoza-Indart; P. Lopez-Arce;

  • 作者单位

    Instituto de Geociencias IGEO (CSIC, UCM), C/Jose Antonio Novais 12, 28040, Madrid, Spain,Departamento de Petrologia y Geoquimica, Facultad Ciencias Geologicas, Universidad Complutense de Madrid (UCM),C/Jose Antonio Novais 12, 28040, Madrid, Spain;

    Instituto de Geociencias IGEO (CSIC, UCM), C/Jose Antonio Novais 12, 28040, Madrid, Spain;

    Instituto de Geociencias IGEO (CSIC, UCM), C/Jose Antonio Novais 12, 28040, Madrid, Spain,CEI - Moncloa, (UCM-UPM, CSIC), Madrid, Spain;

    Instituto de Geociencias IGEO (CSIC, UCM), C/Jose Antonio Novais 12, 28040, Madrid, Spain;

    Instituto de Geociencias IGEO (CSIC, UCM), C/Jose Antonio Novais 12, 28040, Madrid, Spain;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    Indoor environment; Historic churches; Heritage conservation; Deterioration; Hygro-thermal conditions; Fluctuations;

    机译：室内环境;历史悠久的教堂;文物保护;恶化;湿热条件;涨落;

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