西市場修護不易 門面結構保存一半 - 台南
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By Steve
at 2018-12-14T13:46
at 2018-12-14T13:46
Table of Contents
http://news.ltn.com.tw/news/local/paper/1253889
〈南部〉(台南)西市場修護不易 門面結構保存一半
2018-12-14
〔記者洪瑞琴/台南報導〕西市場古蹟正進行修護,「修到半個門面都拆掉」,林姓民眾
投訴本報,質疑做法很可議。不過,南市文化資產管理處回應說明,鋼筋混凝土有別於木
構造與磚構造的材料特性,歷經歲月風霜後,一旦結構物內的鋼筋發生嚴重鏽蝕或是混凝
土出現風化龜裂,基於結構安全往往都是「打掉重練」,兼顧構造安全與文資保存是必須
面對的課題。
林姓民眾表示,西市場入口門面幾乎是重新上板模更新,失去古蹟修護意義,讓人看得傻
眼。
南市文化資產管理處表示,如何修復近百歲的鋼筋混凝土,著實讓修復團隊無時無刻都在
「燒腦」,以西市場本館北翼棟入口山牆為例,就是典型「外表無大礙,內部多損壞」的
破壞形態,內部鋼筋嚴重朽斷,混凝土已呈現崩裂斷落傾向,從現代建築安全的觀點而論
,是幾乎無法保存的。
文資處表示,經過多次嘗試調整,挑戰以「有層次的解體」作業,進行各部位的檢測與拆
解,雖然過程曠日廢時,但讓原本幾乎需要全面拆除的入口山牆,得以達到至少保存一半
原有構造的局面。
修復期間也同時在主次入口立面、走道廊柱等處發現過去遭增(附)建物遮蔽或損毀的精
美線角與裝飾痕跡,透過詳細測繪與打版紀錄,修復後,將重新呈現在民眾眼前。
https://i.imgur.com/u82ykiS.jpg
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