【摘要】 北京富国海底世界施工中，为保证混凝土结构的密实性、整体性，并防止有害裂缝，采用二次振捣方案，提高了混凝土抗渗性能，取消后浇带，保证了混凝土结构整体性，并对薄弱环节进行了特殊处理。更多还原

【Abstract】 During construction of the Beijing Fuguo Sea Bottom World project,the twice vibrating of concrete method has been adopted so that concrete structure’s compactibility and integrity could be ensured and harmful cracks could be prevented.Moreover,it would enhance concrete’s anti-seepage ability,eliminate post-pouring concrete strip and guarantee concrete structure’s integrity.Besides,some weak points of concrete could be specially treated.更多还原