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    • 9. 发明专利
    • CONSTRUCTION METHOD FOR STEEL-MADE UNDERGROUND CONTINUOUS WALL
    • JPH06128947A
    • 1994-05-10
    • JP30314492
    • 1992-10-16
    • TOKYU KENSETSU KK
    • SAKAI KUNITOSHIBUSAWA SHIGEHIKO
    • E02D5/04
    • PURPOSE:To make it possible to construct an underground wall which is thinner and deeper than a wall body by installing out a box-shaped sheet pile support member which supports a natural ground at a position except for a box pile sheet joint, and what is more, laying out the joint at the position which allows the bending moment of the natural ground to be positive. CONSTITUTION:A box sheet pile B forms a joint 1 on both ends of two outside steel plates 2 in parallel by way of a partitioning plate 3. A ditch is excavated in the ground. A plurality of the box sheet piles B are placed into the ditch one by one while the joints 1 are engaged with each other so that concrete may be cast into the space enveloped with the outside steel plates 2 and the partitioning plate 3 or the whole excavated ditch. After the concrete is cured and the continuous underground wall is completed, one side of the wall is excavated so as to construct various kinds of structures. During the construction, the joints 1 of the box sheet piles are excluded from the support members and laid out so that the bending moment of the underground wall on the natural ground side may be positive.
    • 10. 发明专利
    • JPH05311644A
    • 1993-11-22
    • JP14106192
    • 1992-05-07
    • TOKYU KENSETSU KK
    • SAKAI KUNITOSHIBUSAWA SHIGEHIKO
    • E02D5/18E02D5/03E02D31/02
    • PURPOSE:To prevent the cutoff of the underground water by providing a sheet pile fitted with a cap on a hole in an excavated groove with the cap side face faced to the construction side of an underground structure, filling mortar in the sheet pile, and removing the cap after construction. CONSTITUTION:Through holes 5 penetrating both faces of a sheet pile 1 are provided on both sides of ribs 2, a pipe 6 connecting the through holes 5 is arranged, and a cap is fitted to the opening section of the through hole 5 of the rib 2 on the construction side of an underground structure. Multiple sheet piles 1 are arranged in the excavated groove, and they are connected to each other to construct a continuous wall. Mortar is filled between the excavated groove and the sheet piles 1 and in the sheet piles 1 to fix the sheet piles 1 to the ground. The ground between the continuous wall is excavated, the sheet piles 1 are fixed with beams, then a structure is constructed. The cap is removed, and the excavated ground is back-filled.