Discovery-建築巨擘第四季：混凝土浮橋

[b]【節目名稱】：Discovery-建築巨擘第四季：混凝土浮橋
【字幕語言】：繁體中文字幕/英文
【驗證代碼】：98ad72110ce6e27e036a53c738add1e57720f6c8
【影片大小】：322.29MB
【影片格式】：MP4
【影片來源】：3E帝國
【圖片預覽】：[/b]
[b][img]http://img.album.pchome.net/54/70/10/35/1243607646ca3fa9a7fd5e77424a9e372ad2be3f49.jpg[/img]
[img]http://img.album.pchome.net/54/70/10/35/1243607646f885b5552ac08cd5b1275e1c42931be4.jpg[/img]
[img]http://img.album.pchome.net/54/70/10/35/12436076459b1d92c3cff8673ed4d8c9ff28fcba67.jpg[/img][/b]
[b]【節目簡介】：[/b]
加拿大卑詩省政府計畫在基洛納興建一座跨越奧卡納乾湖的新橋。舊橋塞車情況嚴重，旅遊淡季時就常塞車，到了旺季時，車輛更是難以通行。不過，奧卡納乾湖在基洛納的湖水深度是45公尺，湖底則有數百公尺深的泥巴。泥巴太深太軟，無法插入可支承一般橋梁的橋柱，加上湖面太寬，一個跨距無法橫跨，相關單位只好再蓋一座浮橋。這座浮橋是蓋在與足球場等長的浮箱上。 浮橋是非萬不得已時才會蓋，而且新橋緊鄰交通繁忙的舊橋，因此這項工程危險又艱鉅。工人須先在乾塢內製作巨大混凝土浮箱，然後再將浮箱拖到湖面上的既定位置。這個工程團隊沒有建造浮橋的經驗，但他們經驗豐富，有能力邊做邊學。工程有時進行得很順利，有時卻遭遇重重困難。此外，天氣也會影響工程的進行。

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