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Steel Sheet Pile Cofferdam Construction Technology in Winter

Author: TanBin
Tutor: HuDaLin
School: Chang'an University
Course: Architecture and Civil Engineering
Keywords: Cold regions Water Steel sheet pile cofferdam
CLC: U445.556
Type: Master's thesis
Year: 2011
Downloads: 42
Quote: 0
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Abstract


The steel sheet pile cofferdam underwater pile cap , body construction is the most common form of the waterproof cofferdam the underwater piers ( Taiwan ) , both as the template of the back cover of concrete can and sealing concrete waterproofing role . The steel sheet pile can be classified in accordance with the cross-sectional form , including flat steel sheet pile , groove -shaped steel sheet pile and z - shaped steel sheet piles , section size and chain type vary . Essentially, from the steel sheet pile is the one with a locking steel . Frequently used in the construction of the British production of natural raw steel sheet pile , U.S. production of Lackawanna steel sheet pile the German production Larsen steel sheet pile , Nippon Steel Corporation produced a club -type steel sheet pile . The advantages of using steel sheet pile cofferdam construction is mainly reflected in the following aspects : First, the high strength steel sheet pile , into the hard soil ; deep pile cap , pier ( Taiwan ) body construction , and a support structure formed integrally become an enclosure cage . Third , the waterproof performance is good , especially in the clay layer deep water riverbed when the bridge foundation construction , also can not carry out underwater operations . Fourth, a diverse combination of the cross-sectional shape , inserted to play pile pulling easier recovery can turnover reuse . Domestic and foreign steel sheet pile cofferdam technology applications is very mature , but the steel sheet pile cofferdam winter construction technology is still in its infancy , no molding reported . Harbin the Matsuura Bridge main tower cap foundation is located Songhua river in underwater , is to ensure that the scheduled opening of the cap construction is completed in the winter , and the Order of the station at a depth of about 5m river frozen layer 1m winter water steel sheet pile cofferdam and back cover the successful application of the concrete pouring construction program on time , the main tower cap , the bridge is scheduled for completion win a fighter . The construction of the main tower of the main bridge in Harbin Matsuura instance , research on cold winter water steel sheet pile cofferdam and underwater concrete back cover construction .

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CLC: > Transportation > Road transport > Bridges and Culverts > Bridge Construction > The works > Foundation engineering > Cofferdam , the cofferdam method , Pit support
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