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1. 发明专利

JP2006219947A Ground excavation method 有权
标题翻译：地面挖掘方法
公开(公告)号：JP2006219947A
公开(公告)日：2006-08-24
申请号：JP2005036185
申请日：2005-02-14
申请人： Kajima Corp , 鹿島建設株式会社
发明人： TANAKA KOICHI , OHASHI TAKAAKI , TOGASHI NOBORU
IPC分类号： E21D1/00 , E02D5/18 , E02D17/08 , E21B7/12
摘要： PROBLEM TO BE SOLVED: To provide a ground excavation method which saves costs for temporary work construction, and makes water permeating measures unnecessary.
SOLUTION: While digging grooves in ground 1 along the outer edge of excavated ground surface 2, cement slurry or the like is mixed in excavated earth and sand, and soil mortar 6 is filled in the grooves. A core pole 3 is erected in the soil mortar 6 so that its upper section may protrude in a prescribed length above the ground surface, and then an iron plate 5 is placed inside the core pole 3. Further a waling 7 is provided outside the core pole 3, and an anchor 9 is installed between them to construct an erosion barrier wall 17. Next, water 11 is filled in the excavated ground surface 2 so that the filled water level 13 may be higher than the surface 15 of the ground 1. And while maintaining the level of water 11, the ground 1 within the excavated ground surface 2 is excavated under water up to the planned excavation level 24.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种节省临时工作成本的地面开挖方法，并且不需要渗水措施。解决方案：沿着挖掘的地表2的外缘挖掘地面1的槽，在挖土的沙土中混合水泥浆等，并将土砂6填充在槽中。芯棒3竖立在土砂浆6中，使得其上部可以在地面上方以规定的长度突出，然后将铁板5放置在芯柱3的内部。此外，在芯的外侧设置有楔7 杆3，并且在它们之间安装锚9以构造侵蚀阻隔壁17.接下来，将水11填充在挖掘的地面2中，使得填充水位13可高于地面1的表面15。在保持水位11的同时，挖出的地表2内的地面1在水下开挖直到规划的挖掘水平24.版权所有（C）2006年，JPO＆NCIPI

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