城市建筑
城市建築
성시건축
URBANISM AND ARCHITECTURE
2013年
14期
249-249,250
,共2页
井点降水%基坑开挖%承台
井點降水%基坑開挖%承檯
정점강수%기갱개알%승태
wel point dewatering%foundation pit excavatio-n%pile cap
包头至树林召高速公路黄河大桥主桥为85+6×150+85 m 的预应力连续箱梁,7个主墩,除22#、23#墩位于黄河主河槽,20#、21#、24#、25#、26#墩承台位于黄河滩地。由于黄河水位较高,采用轻型井点降水配合管井降水,进行干处基坑开挖施工。
包頭至樹林召高速公路黃河大橋主橋為85+6×150+85 m 的預應力連續箱樑,7箇主墩,除22#、23#墩位于黃河主河槽,20#、21#、24#、25#、26#墩承檯位于黃河灘地。由于黃河水位較高,採用輕型井點降水配閤管井降水,進行榦處基坑開挖施工。
포두지수림소고속공로황하대교주교위85+6×150+85 m 적예응력련속상량,7개주돈,제22#、23#돈위우황하주하조,20#、21#、24#、25#、26#돈승태위우황하탄지。유우황하수위교고,채용경형정점강수배합관정강수,진행간처기갱개알시공。
The Yel ow River Bridge on Baotou to Shulinzhao highway is made by prestressed concrete continuous box gird-er of 85+6*150+85 m, 7 main piers, except 22#, 23# pier is l-ocated in the main channel of the Yellow River, 20#, 21#, 24#, 25#, 26# pier is located in the Yel ow River beach. Becau-se of the level of the Yel ow River water is higher, take the me-thod of light well point precipitation and dewatering, to carry on the excavation of foundation pit on dry place.