【摘要】 针对淤泥质软土富水地层特殊水文地质条件,提出了盖挖逆作深基坑工程浅层疏干降水与深层减压降水施工的关键技术,有效减少了土方开挖过程土体含水率,同时为盖挖逆作结构提供可靠的地基承载力,以确保土方开挖和逆作结构施工的基坑稳定性。更多还原

【Abstract】 According to the special hydrogeological conditions in muddy soft soil stratum with abundant water,put forward key technology of cover and excavation top-down deep foundation pit engineering precipitation and deep decompression pressure water construction,effectively reduced the moisture contents of soil in earthwork excavation process,and provided foundation bearing capacity for cover and excavation top-down structure,ensured the foundation pit stability of earthwork excavation and top-down structure construction.更多还原