南深橋陸閘存在的意義 - 台北南港
By Necoo
at 2016-06-24T12:50
at 2016-06-24T12:50
Table of Contents
原文s19770104大、isacjvdov大和ppppai大在推文已經講得滿清楚的,
我在這補充一下,
http://imgur.com/wu0d4Z4
原PO的意思應該是把堤防做成這樣,
但南深橋面除了寬之外(六線道+人行道),
橋底離河底也很近,只有四公尺左右,
堤頂高13.06m - 橋底標高 8.96m = 4.1m
若欄杆改成堤防形式,河道空間會減為只有一半。
然後...其實水過橋面的情況還滿頻繁的,
去年蘇迪勒颱風跟杜鵑颱風都有。
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台北南港
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