主要介绍印度尼西亚苏拉马都跨海大桥主墩承台钢套箱的设计与施工,承台套箱采用单壁钢吊箱形式,由底板、侧板、内支撑、悬吊系统、导向系统构成。套箱底板和侧板均采用后场分块加工,现场拼装焊接底板,侧板分块之间采用栓接,浇注混凝土时在侧板上开孔,保证套箱内外水位相同。 This paper mainly introduces the design and construction of the steel pier box cover of the main pier in Sulamadu Sea Crossing Bridge in Indonesia. The platform cover box adopts the form of single-wall steel cofferdam and is composed of floor, side panel, inner support, suspension system and guide system . Bottom plate and side panels are used after the field sub-block processing, assembling the welding floor at the scene, between the side block bolting, pouring concrete in the side plate openings, to ensure that the same water level inside and outside the box.