冬季遼寧近代歷史建筑的劣化形態(tài)及機(jī)理研究
發(fā)布時間:2018-07-14 17:35
【摘要】:遼寧近代歷史建筑因其物質(zhì)真實(shí)性、文化特殊性、地域特定性均具有較高的研究價(jià)值和保護(hù)價(jià)值,針對其亟待系統(tǒng)科學(xué)保護(hù)的現(xiàn)狀,調(diào)查并梳理其劣化敏感期——冬季的劣化形態(tài),提出脫落、開裂、斑漬等現(xiàn)象是其主要劣化形態(tài),提出雪水融化帶來水分滯留,反復(fù)凍融致使應(yīng)力改變,鹽分結(jié)晶導(dǎo)致鹽漬與裂縫,微生物侵蝕加劇材料劣化。
[Abstract]:Liaoning modern historical buildings have high research value and protection value because of their material authenticity, cultural particularity and region specificity. By investigating and combing the deterioration pattern of its sensitive period of deterioration-winter, it is suggested that the phenomena of shedding, cracking and stain are the main deterioration forms. It is suggested that the melting of snow water brings about water retention, and repeated freezing and thawing lead to stress change. Salt crystallization leads to salt stains and cracks, and microbial erosion accentuates the deterioration of materials.
【作者單位】: 東北大學(xué)江河建筑學(xué)院;中國科學(xué)院金屬研究所;
【基金】:國家自然科學(xué)基金青年基金(51508072) 中央高;究蒲袠I(yè)務(wù)專項(xiàng)資金(N161104001)
【分類號】:TU-87
[Abstract]:Liaoning modern historical buildings have high research value and protection value because of their material authenticity, cultural particularity and region specificity. By investigating and combing the deterioration pattern of its sensitive period of deterioration-winter, it is suggested that the phenomena of shedding, cracking and stain are the main deterioration forms. It is suggested that the melting of snow water brings about water retention, and repeated freezing and thawing lead to stress change. Salt crystallization leads to salt stains and cracks, and microbial erosion accentuates the deterioration of materials.
【作者單位】: 東北大學(xué)江河建筑學(xué)院;中國科學(xué)院金屬研究所;
【基金】:國家自然科學(xué)基金青年基金(51508072) 中央高;究蒲袠I(yè)務(wù)專項(xiàng)資金(N161104001)
【分類號】:TU-87
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