網頁版:http://www.gardenskill.com.tw/edm/civil/edmcivil36.html
The Ponte Sobre O Rio Negro is a 3505m long crossing
of the Rio Negro in the heart of the Amazon rain forest,
linking Manaus with Iranduba over the river Negro.
The Ponte Sobre O 里奧內格羅是里奧內格羅
在亞馬遜雨林中心,3505公尺長的隧道,
在內格羅河上面連接瑪瑙斯與lranduba。
DLT were awarded the contract to design, supply and
operate 2 No 320 tonne capacity deck erection gantries
to handle the 52 precast concrete deck sections of the
cable stayed spans by main contractor Camargo Correa -
Construbase JV.
DLT被授予合約去設計,供應及營運2號320噸容量
的甲板上架設龍門架處理電纜的52預鑄混凝土橋
面部分由主承包商卡馬喬•科雷亞留跨度-
Construbase合資公司。
The bridge has a 400m long cable stayed section, comprising
2 No spans of 200m on either side of a 160m high central pier.
這座橋有400公尺長的斜拉橋部分,包括在160公尺
高環碼頭兩側200公尺2號的跨度。
The deck of the bridge is glued precast segmental, with the segments
being cast on barge mounted casting cells rather than on land due to
the very large seasonal change in river level.
橋的橋面被粘預製節段,與被投在駁船段安裝鑄造細胞,
而不是在陸地上由於非常大的季節變化改變河流水位。
Navigation clearance under the deck is 57m from high water level.
甲板下的通航淨空為57公尺高的水位。
The gantries use 2 No DL-S185 strand jacks for lifting the deck
segments and separate hydraulic rams to adjust the plan position
and slope of the segment for accurate alignment against the previous segment.
龍門架使用2號DL-S185鋼絞線千斤頂升降甲板段和
獨立的液壓油缸,調整部分對前一段精確對準的
平面位置和斜率。
The DL-S185 strand jacks incorporate a special bleed lowering
system for slow and accurate level adjustment, to within +/- 1 mm.
對DL-S185鋼絞線千斤頂把一個特殊的排氣系統降低了
緩慢和精確的電平調整,有±1毫米。
The gantries were erected on to the deck in July 2010 and
deck erection commenced in August 2010.
龍門架被架設在甲板上,2010年7月和2010年8月橋面架設展開。
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