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1. 发明专利

JPS5873623A SHEATHING WORK FOR EXCAVATED TRENCH AND SHEETING THEREFOR 失效
公开(公告)号：JPS5873623A
公开(公告)日：1983-05-02
申请号：JP17106681
申请日：1981-10-26
申请人： NIPPON STEEL CORP , NIPPON STEEL METAL PROD
发明人： HIRANO MASATO , OOHASHI KAZUHIKO , ENMEI YOSHIO , MORITA AKIHIRO
IPC分类号： E02D17/08
摘要： PURPOSE:To safely and efficiently perform a sheathing work by a method in which a sheeting provided with a jack is hung down by a wire between sheet pile holders facing each other in two stages (upper and lower stages) along the inner wall of an excavated trench for a gas tube, etc., and sheet piles are erected under the guidance of the sheeting. CONSTITUTION:A trench 1 for a gas tube is excavated, and connecting metal tools 2 of angular steel pipes are hung down in two stages (upper and lower stages) horizontally by means of a wire rope 3, arranged facing the inner wall of the trench 1 at intervals in the longitudinal direction of the trench 1, and fixed by fixing the rope 3 to the hanging receiver 4 of the trench 1. Then, a sheeting 9 formed by providing jacks 7 between ends of sheet pile holders 5 and by connecting bearing metals 7a on both ends with the ends of the holders 5 by pins 8 is hung down in the trench 1, and then the connecting metals 2 are fitted into the ends of the holders 5 and connected with pins 8. A light- weight sheet pile 10 is erected between the inner wall of the trench 1 and the holders 5, the trench 1 is further excavated to a given depth while penetrating the sheet pile 10, and the jacks 7 are extended to attain a sheathing work. Then, the hanging receiver 4 is removed.

2. 发明专利

JPS5865821A SHEATHING WORK AND HOLDING FRAME FOR EXCAVATED TRENCH 失效
公开(公告)号：JPS5865821A
公开(公告)日：1983-04-19
申请号：JP16314781
申请日：1981-10-13
申请人： NIPPON STEEL CORP , NIPPON STEEL METAL PROD
发明人： HIRANO MASATO , OOHASHI KAZUHIKO , MATSUI KIYOSHI , ENMEI YOSHIO
IPC分类号： E02D17/08
摘要： PURPOSE:To exactly prevent the disintegration of soil and sand by a method in which a sheathing holding frame consisting of rectangular frames of a smaller width than that of an excavated trench is hung down and held in the excavated trench, sheet piles are erected, a waling is provided to hold the sheet piles, and then the sheathing holding frames are removed. CONSTITUTION:When burying a gas tube, a given width of a trench 1 is excavated in the road, and then sheathing holding frames 2 consisting of rectangular frames of a smaller width than that of the trench are hung down and held horizontally in two stages at an adequate interval by a manner that a wire rope 4 hooked on knobs 3 at fours places before and behind and right and left on the internal side of the holding frame 2 is fixed to an angular steel pipe 5 laid the opening edge of the trench 1. Then, sheet piles 6 are erected between the trench 1 and the sheathing holding frame 2 and the trench 1 is further excavated to a given depth while pressing down the sheet piles 6. Afterwards, walings 7 are attached horizontally in two stages to the sheet piles 6, cut beams 8 are laid on the walings 7 to hold the sheet piles 6, and then the sheathing holding frame 2 is removed from the trench 1.

3. 发明专利

JPS6088724A SHEATHING WORK OF EXCAVATED TRENCH 失效
公开(公告)号：JPS6088724A
公开(公告)日：1985-05-18
申请号：JP19687483
申请日：1983-10-20
申请人： OSAKA GAS CO LTD , NIPPON STEEL CORP , NIPPON STEEL METAL PROD
发明人： YAMASHITA OSAMU , INADA SUMIO , TAKEMOTO KAZUYORI , HIRANO MASATO , OOHASHI KAZUHIKO , OOMORI KENJI , HIGUCHI YASUAKI , MATSUI KIYOSHI , MORITA AKIHIRO
IPC分类号： E02D17/08
摘要： PURPOSE:To enable workers to operate without the needs to come into a trench by a method in which panel pitch bars are laid in the longitudinal direction of the trench between water-pressure jacks laid tensely between sheathing panels and guide panel is inserted between the sheathing panels in the longitudinal direction of the trench. CONSTITUTION:A water-pressure jack 12 and a panel fixing bar 20 are tensely laid on the inside walls of an excavated trench, and sheathing panels 10 facing each other are erected. In the same way, sheathing panels 10 facing each other are erected in the longitudinal direction of the trench. A panel pitch-holding bar 30 is laid between the water-pressure jacks 12 in the longitudinal direction of the trench, coupling metals 27 on both ends of the guide panel 26 are penetrated into the coupling trench 15 of the sheathing panel 10, and the guide panel 26 is tensely laid between the side ends of the sheathing panel 10. A light weight steel sheet pile 29 is then inserted into a guide frame 28 provided to the guide panel 26, and back-filling is made in the apertures between the excavated trench, the sheathing panel 10, and the light weight steel sheet pile 29.

4. 发明专利

JPS6088725A SHEATHING WORK OF EXCAVATED TRENCH 失效
公开(公告)号：JPS6088725A
公开(公告)日：1985-05-18
申请号：JP19687583
申请日：1983-10-20
申请人： OSAKA GAS CO LTD , YOKO SEISAKUSHO KK , NIPPON STEEL METAL PROD
发明人： YAMASHITA OSAMU , INADA SUMIO , TAKEMOTO KAZUYORI , HIRANO MASATO , OOHASHI KAZUHIKO , OOMORI KENJI , HIGUCHI YASUAKI , MATSUI KIYOSHI , MORITA AKIHIRO
IPC分类号： E02D17/08
摘要： PURPOSE:To perform sheathing and timbering work with good efficiency by a method in which band-form guide panels connected with a water-pressure jack are hung down from the inner wall of a trench, a light weight steel sheet pile is inserted into the back side of the guide panels, and the water-pressure jack is extended. CONSTITUTION:A trench A is excavated to a given depth by a back hoe, and guide panels 10 connected with a water-pressure jack 20 are hung down and held on a hanging cable W connected to the round hole 15 of a lifting plate 16. A light weight steel sheet pile 24 is inserted into the back side frame 17 of the guide panels 10 and penetrated, soil is back-filled in the aperture between the steel sheet pile 24 and the trench A, and the water-pressure jack 20 is extended to support the steel sheet piles 24 facing each other. The sheathing and timbering work can thus be performed with good efficiency.

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