东湖隧道钢板桩围堰施工质量控制

东湖隧道采取明挖顺作法施工,湖中段主体结构施工前须构筑钢板桩围堰形成施工场地,钢板桩围堰施工质量不仅关系到湖中段隧道结构施工成本与工期,更关系到后期施工安全,其意义巨大。介绍了东湖隧道钢围堰工程概况与结构特点,阐明了钢板桩围堰施工工艺流程,并从材料控制、测量放线、钢板桩打入、土工布铺设、堰内土体填筑和围堰变形监测等角度论述了影响围堰施工质量的技术要点。

East Lake Tunnel Steel Sheet Pile Cofferdam Construction Quality Control

East Lake along the tunnel to cut down construction,before the construction of the main structure of the middle of the lake to be formed to build a steel sheet pile cofferdam construction site,steel sheet pile cofferdam construction quality not only to the middle of the lake tunnel structure construction cost and duration,is also related to post-construction security,its significance is huge.Paper first describes the overview of the East Lake Tunnel steel cofferdam and structural characteristics;second illustrates the steel sheet pile cofferdam construction process;last from the Material Control,Surveying,steel sheet pile into,laying geotextile,filling the soil within the weir and cofferdam deformation monitoring point of view on the impact of cofferdam construction quality of technical points.