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1. 发明专利

JP2002081070A SLIDE TYPE EARTH RETAINING TIMBERING SYSTEM 失效
公开(公告)号：JP2002081070A
公开(公告)日：2002-03-22
申请号：JP2000269222
申请日：2000-09-05
申请人： KAJIMA CORP
发明人： TAKAHASHI TAKASHI , TANAKA SHUNPEI , UDA YUKIO , OUCHI YOSHIO , ISANO KEN , IWATA NORIHIKO
IPC分类号： E02D17/04 , E02D29/045 , E21D13/00
摘要： PROBLEM TO BE SOLVED: To minimize temporary materials by using a permanent girder of an underground body structure and a slide type earth retaining timbering system for an underground construction timbering, to reduce the scale of an earth retaining wall by suppressing the deformation and stress generated in the earth retaining wall, and to reduce the construction term by simultaneously progressing the construction of the underground skeleton to be the timbering and the ground excavation. SOLUTION: This slide type earth retaining timbering system is constituted of a movable strut timbering 1 horizontally disposed in an excavation space in the earth retaining wall W and supporting the earth retaining wall W, and a vertical slide device 4(a) sliding down the strut timbering along a temporary prop P. The strut timbering 1 is constituted of a wale 11 urged against the earth retaining wall, a strut joining block 13 having a hole capable of being inserted by the temporary prop P, and a jack device 6 pushing and pulling the wale relative to the earth retaining wall. When the deformation of the earth retaining wall is small after completing the excavation, the strut timbering 1 is quickly slid down and erected near the excavation bottom.

2. 发明专利

JP2002081069A CORNER ANGLE BRACE STRUT ERECTING DEVICE FOR SLIDE TYPE STRUT TIMBERING 失效
公开(公告)号：JP2002081069A
公开(公告)日：2002-03-22
申请号：JP2000269239
申请日：2000-09-05
申请人： KAJIMA CORP , YOSHINAGA MFG
发明人： TAKAHASHI TAKASHI , OUCHI YOSHIO , ISANO KEN , IWATA NORIHIKO , UDA YUKIO , MOTOHASHI JUNICHI
IPC分类号： E02D17/04 , E02D29/045 , E21D13/00
摘要： PROBLEM TO BE SOLVED: To follow the pushing/pulling and introduction/release of preload of wales of a movable strut timbering, dispense with being detached from the strut timbering, immediately erect an earth retaining timbering, and to introduce preload to a corner part of the earth retaining wall in a corner angle brace for a slidable strut timbering in the underground skeleton construction method. SOLUTION: This corner angle brace strut erecting device 7 is so constituted that a horizontally extendable telescope type extension member 30 composed of an inner cylinder and an outer cylinder and a preload jack 31 for introducing preload to the earth retaining wall are serially connected together and diagonally disposed in the corner part of the strut timbering 1, one end of the extension member 30 is connected to one wale 11 by a horizontally rotatable pin hinge 32 and the like, and one end of the preload jack 31 is connected to the other wale 11 by the horizontally rotatable pin hinge 32 and the like.

3. 发明专利

JP2002081084A CONSTRUCTION METHOD FOR UNDERGROUND SKELETON 失效
公开(公告)号：JP2002081084A
公开(公告)日：2002-03-22
申请号：JP2000269221
申请日：2000-09-05
申请人： KAJIMA CORP
发明人： TANAKA SHUNPEI , TAKAHASHI TAKASHI , SUZUKI KOICHI , MIZUTANI AKIRA , OUCHI YOSHIO , ISANO KEN , UDA YUKIO
IPC分类号： E02D17/04 , E02D29/045 , E21D13/00
摘要： PROBLEM TO BE SOLVED: To minimize temporary materials by using permanent girders of an underground body structure and a movable shore strut timbering for an underground construction timbering, to reduce the scale of an earth retaining wall by suppressing the deformation and stress generated in the earth retaining wall, and to reduce the construction term by simultaneously progressing the construction of the underground skeleton to be the timbering and the ground excavation. SOLUTION: This underground skeleton is constituted by repeating the following processes in order: a process of disposing the movable shore strut timbering 1 in a primary excavation space, introducing preload to the earth retaining wall by a jack device 6, disposing the permanent girders 2 and 3 for a floor for the underground body structure, suspending and supporting movable permanent girders 3-1 and 3-2 for the underground floor from/to the first-floor permanent girders 2 by the rod 50 of a suspension device, and excavating the lower part of the strut timbering 1 from this initial state; a process of contracting a flat shape of the shore strut timbering 1 by the jack device 6 from a state where the floor of the permanent girders of the upper part is constructed to function as the timbering; a process of lowing the shore strut timbering 1 by the vertical slide device 4; a process of expanding the flat shape of the shore strut timbering 1 and introducing preload to the earth retaining wall; and a process lowering the underground-floor permanent girders by the vertical slide device 4.

4. 发明专利

JP2002081068A VERTICAL SLIDE DEVICE AND JACK DEVICE FOR SLIDE TYPE EARTH RETAINING TIMBERING SYSTEM 失效
公开(公告)号：JP2002081068A
公开(公告)日：2002-03-22
申请号：JP2000269238
申请日：2000-09-05
申请人： KAJIMA CORP , YOSHINAGA MFG
发明人： TANAKA SHUNPEI , TAKAHASHI TAKASHI , OUCHI YOSHIO , ISANO KEN , IWATA NORIHIKO , UDA YUKIO , MOTOHASHI JUNICHI
IPC分类号： E02D17/04 , E02D29/045 , E21D13/00
摘要： PROBLEM TO BE SOLVED: To provide a vertical slide device quickly and safely sliding down a movable strut timbering and a permanent girder by a relatively simple device and to provide a jack device quickly sliding down the movable timbering and introducing preload thereto by a relatively simple device, in a slide type earth retaining timbering system, by an underground skeleton permanent girder and a movable strut timbering. SOLUTION: This vertical slide device 4 is constituted of an elevating device 60 fitted to the permanent girder 2 on a first floor and a clamp device 61 detachably connected to the movable strut timbering 1 or the movable permanent girder 3, the strut 10 and a connecting member 81 are clamped by a shuck 70 formed of a pair of arms 70a, the movable permanent girder 3 is stacked on a horizontal fitting member 72, and the strut timbering 1 and the permanent girder 3 are alternately slid down. This jack device 6 is so constituted as serially connecting a stroke jack 20 pushing and pulling a wale, to a preload jack 21 introducing the preload to an earth retaining wall.

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