施工技术
施工技術
시공기술
CONSTRUCTION TECHNOLOGY
2014年
16期
111-113
,共3页
地下工程%逆作法%栈桥%一柱一桩%施工
地下工程%逆作法%棧橋%一柱一樁%施工
지하공정%역작법%잔교%일주일장%시공
underground%top-down method%trestle%one column with one pile%construction
某工程采用内支撑和逆作法结合的支护形式，工程在施工过程中，需要另行布置栈桥作为运输通道和临时加工区使用，目前关于此类工程栈桥设计和施工应用的参考较少。综合考虑成本和支护的特点，将首层内支撑和栈桥板结合，利用逆作一柱一桩传递栈桥施工荷载。栈桥设计阶段按照实际运输强度确定栈桥荷载，并依此对逆作一柱一桩承载力进行复核和加强。使用阶段通过施工监测，表明该栈桥设计和施工应用是成功的。
某工程採用內支撐和逆作法結閤的支護形式，工程在施工過程中，需要另行佈置棧橋作為運輸通道和臨時加工區使用，目前關于此類工程棧橋設計和施工應用的參攷較少。綜閤攷慮成本和支護的特點，將首層內支撐和棧橋闆結閤，利用逆作一柱一樁傳遞棧橋施工荷載。棧橋設計階段按照實際運輸彊度確定棧橋荷載，併依此對逆作一柱一樁承載力進行複覈和加彊。使用階段通過施工鑑測，錶明該棧橋設計和施工應用是成功的。
모공정채용내지탱화역작법결합적지호형식，공정재시공과정중，수요령행포치잔교작위운수통도화림시가공구사용，목전관우차류공정잔교설계화시공응용적삼고교소。종합고필성본화지호적특점，장수층내지탱화잔교판결합，이용역작일주일장전체잔교시공하재。잔교설계계단안조실제운수강도학정잔교하재，병의차대역작일주일장승재력진행복핵화가강。사용계단통과시공감측，표명해잔교설계화시공응용시성공적。
Inner support and top-down method were applied as support mode for an engineering. During construction, trestles were set for transport corridor and temporary processing district. There is seldom application of trestle design and construction like this one. Considering cost and supporting features, trestle construction load was transferred by top-down built one column with one pile after combination of first floor inner support and trestle board. Trestle load for design was obtained by actual traffic load and the bearing capacity of one column with one pile was checked and reinforced. It is showed that the trestle design and construction is successful after construction monitoring.
