公开(公告)号：US3867805A

公开(公告)日：1975-02-25

申请号：US36175873

申请日：1973-05-18

Applicant: KAJIMA CORP

Inventor： MIKAMI YUZO ,  KOBAYASHI HIDEYUKI ,  SASAKI TETSUYA

IPC: E04B1/21 ,  E04B1/58 ,  E04B1/04

CPC classification number: E04B1/215

Abstract: A construction method of rigid structural joints between precast concrete columns and beams by utilizing two sets of jointing system in combination. In vertical direction columns are jointed by placing steel sleeves within joint panel zone wherein protruding main bars from upper and lower columns are inserted and grouted by non-shrink mortar giving structural continuity. In horizontal direction beams are jointed by formation of U-shaped grooves at beam ends wherein main reinforcing bars are enclosed and lap-jointed to preassembled main bars placed inside of aforesaid grooves by casting concrete within the grooves.

Abstract translation: 通过组合使用两组接合系统，预制混凝土柱和梁之间的刚性结构接头的施工方法。 在垂直方向上，通过将钢套管放置在接合面板区域内，将上下列的突出的主杆插入并用非收缩砂浆进行注浆，从而提供结构连续性，从而连接柱。 在水平方向上，通过在梁端部形成U形槽来连接所述梁，其中通过在槽内浇铸混凝土，将主要钢筋封闭并搭接于放置在所述槽内的预组装主杆。

公开(公告)号：JP2006002344A

公开(公告)日：2006-01-05

申请号：JP2004176589

申请日：2004-06-15

Applicant: Kajima Corp ,  鹿島建設株式会社

Inventor： SUZUKI YOSHINOBU ,  KAWABATA RIYOUJI ,  SHIBATA MANABU ,  TSUBOUCHI NORIKAZU ,  SASAKI TETSUYA

IPC: E21D9/06

Abstract: PROBLEM TO BE SOLVED: To provide a jacking auxiliary device for a shielding machine and a jacking method for the shielding machine for preventing shaking of a segment remaining in a cylindrical body after the shielding machine passes.
SOLUTION: An entrance packing 17 is provided on an inner peripheral face 14 of pithead concrete 16 of a shaft, the cylindrical body 13 is provided in the vicinity of a pithead 15, and a filling bag 9 and an entrance packing 19 are provided on an inner peripheral face 18 of the cylindrical body 13. The cylindrical body 13 is used as a start chamber of the shielding machine 1. The shielding machine 1 starts from the start chamber 11 while assembling a temporarily assembled segment 5 inside a skin plate 7. The entrance packing 17 and the entrance packing 19 prevent underground water from flowing into a start shaft 23 when the shielding machine 1 starts to ensure water stopping property. After the shielding machine 1 passes, filler 27 is filled into the filling bag 9 to inflate it, and the filling bag 9 is brought into contact with an outer peripheral face of the temporarily assembled segment 5 to fix a shape and a position of the temporarily assembled segment 5.
COPYRIGHT: (C)2006,JPO&NCIPI

Abstract translation: 要解决的问题：提供一种用于屏蔽机的顶起辅助装置和屏蔽机的顶起方法，用于防止在屏蔽机通过之后残留在圆柱体中的部分的震动。 解决方案：入口填料17设置在轴的凹坑混凝土16的内周面14上，圆柱体13设置在井口15附近，填充袋9和入口填料19是 设置在圆筒体13的内周面18上。圆筒体13用作屏蔽机1的起始室。屏蔽机1从启动室11开始，同时将临时组装的段5组装在皮肤板内 当屏蔽机1开始确保停水性时，入口填料17和入口填料19防止地下水流入起动轴23。 在屏蔽机1通过之后，将填充物27填充到填充袋9中以使其充气，并使填充袋9与临时组装的段5的外周面接触，以将临时的形状和位置 （C）2006，JPO＆NCIPI

公开(公告)号：JP2001323774A

公开(公告)日：2001-11-22

申请号：JP2000141830

申请日：2000-05-15

Applicant: KAJIMA CORP

Inventor： NAGAMORI KUNIHIRO ,  MITSUI TAKASHI ,  SASAKI TETSUYA

IPC: E21D9/06

Abstract: PROBLEM TO BE SOLVED: To provide the advancing construction method of a shield machine for performing the branch excavation of a tunnel for constructing a subway station building or the like under a road that cannot be cut and covered easily or rivers without directly excavating any pits in the road and rivers. SOLUTION: This advancing construction method of the shield machine is composed of an advancing-starting process for cutting and covering an advancing pit (1) at a location that can be cut and covered and for setting a rectangular advancing machine (2) toward a direction at right angle to the excavation of the shield machine to the advancing pit (1) and for starting advancing, an advancing machine-advancing process for advancing by successively connecting a plurality of rectangular shield machines (3) at the rear of the advancing machine (2), a shield machine-setting process for advancing each of the shield machine (3) to a specific advancing position by connecting a rear advancing pipe (7) to the rear of the rectangular shield machine (3), and a shield machine- advancing process for starting the shield advancing of a tunnel by each of the shield machines (3) by separating the rectangular shield machine (3) from the advancing machine (2) and the advancing pipe (7).

公开(公告)号：JP2001262972A

公开(公告)日：2001-09-26

申请号：JP2000080601

申请日：2000-03-22

Applicant: KAJIMA CORP ,  KOMATSU MFG CO LTD

Inventor： NAGAMORI KUNIHIRO ,  SASAKI TETSUYA ,  MINAMI TAKASHI

IPC: E21D9/093 ,  E21D9/06

Abstract: PROBLEM TO BE SOLVED: To correct rolling of the machine body of a tunnel boring machine without complicating the structure of the boring machine. SOLUTION: In this tunnel boring machine for extending a propulsive jack to advance an excavator body while oscillating a cutter head to excavate a natural ground, the rolling of the machine body is measured, and when the machine body starts to roll, the extension of the propulsive jack is controlled to suppress or stop when the cutter is rocked in the direction of developing the rolling.

公开(公告)号：JPH10115186A

公开(公告)日：1998-05-06

申请号：JP26974496

申请日：1996-10-11

Applicant: KAJIMA CORP

Inventor： ISHIMARU YUTAKA ,  KATO MAKOTO ,  INOMATA KATSUMI ,  SASAKI TETSUYA ,  YOSHIMURA MUNEO ,  IMAGAWA TSUTOMU ,  IGARASHI HIROMASA

IPC: E21D9/087 ,  E21D9/08

Abstract: PROBLEM TO BE SOLVED: To prevent the wear of a tool bit and increase of a cutter torque by making the tip end of a following bit relatively withdraw from the tip end of an advancing bit in the excavation direction. SOLUTION: A plural pair of tool bits 13a, 13b are projected back to back in a row at a part exposed from a cutter disc in a cutter spoke 20 provided radilally on the cutter disc. The cuter spoke 20 is supported rotatably on the cutter disc, and a pair of swayable jacks 29a, 29b are coupled to the end part of a lever 26 projected from the cutter spoke 20 via a connection metal piece 27. The swayable jack 29b at the side of a following bit 13b is extended in order to rotate the cutter spoke 20 and also rotate the following bit 13b at the side opposite to its moving direction for withdrawing its tip end relatively from the tip end of the advancing bit 13a, thus preventing wear due to pressing force and increase of a cutter torque due to wedge-like debris.

公开(公告)号：JPH10102600A

公开(公告)日：1998-04-21

申请号：JP26072396

申请日：1996-10-01

Applicant: KAJIMA CORP

Inventor： SASAKI TETSUYA

IPC: E04B1/41

Abstract: PROBLEM TO BE SOLVED: To facilitate execution for the post-execution on a column or a beam, secure sufficient structural strength and rigidity, secure fire resistance safety, and provide the reliability equal to or higher than that for concrete placing. SOLUTION: In this execution method for a post-execution anchor, an anchor hole 9 is bored on an existing structure such as the side face of a column or the lower face of a beam 7, and a grout cap 1 constituted of a skirt section 2 and a flange 3 is fitted near the tip section of a bar arrangement member such as a vertical reinforcing bar 10 or a bolt. The bar arrangement member is inserted into the anchor hole 9, and the opening of the anchor hole 9 is sealed by the skirt section 2 of the grout cap 1. An inorganic grout material 14 is filled into the anchor hole 9 from an injection port 3a provided on the flange 3 of the grout cap 1 while the air in the anchor hole 9 is discharged from an air vent hole provided on the flange 3 of the grout cap 1, and the grout cap 1 is removed after the grout material 14 is hardened.

公开(公告)号：JPH09125881A

公开(公告)日：1997-05-13

申请号：JP28119295

申请日：1995-10-30

Applicant: KAJIMA CORP

Inventor： NAGAMORI KUNIHIRO ,  SASAKI TETSUYA ,  ISHIMARU YUTAKA

IPC: E21D11/00

Abstract: PROBLEM TO BE SOLVED: To contrive to enhance a cut-off ability and the protection performance of tail seal. SOLUTION: The pressure of an injection material to be injected to a first injection spot of a tail seal injection material which uses bentonite, acrylic water-soluble polymer and fiber as a main material, is measured with a first injection material measuring instrument 35 while the water pressure of the outside is measured with a water pressure measuring instrument 17. Based on each measurement result, a first control device 37 adjusts the rotary speed of a first motor 41 by way of a first inverter 39 while the feed pressure of a tail seal injection material from a first booster pump 43 is continuously controlled, thereby preventing the penetration of a fluidized substance in the ear of a wire brush 11c into a shield machine.

公开(公告)号：JPH0932310A

公开(公告)日：1997-02-04

申请号：JP18271795

申请日：1995-07-19

Applicant: KAJIMA CORP

Inventor： SASAKI TETSUYA

IPC: E04G23/02

Abstract: PROBLEM TO BE SOLVED: To simplify reinforcement and to improve earthquake resistance and heat resistance by a method wherein a solid wire netting is mounted on the whole surface of the outside of the facing material of an existing wood building and shot mortar or shot concrete is sprayed against the solid wire netting. SOLUTION: A solid wire netting 3 is mounted on the whole surface of the outdoor side of a facing material 2 of an existing building. In a case of the facing material 2 being a mortal coating, tiling, and boarding, the solid wire netting 3 is attached directly on the facing material 2 and fixed at a structure member 1, such as poles and beams, by a plurality of hook bolts 4. Further, when the facing material 6 is thin, the facing material is peeled and the solid wire netting 3 is mounted on a ground material. The periphery and the outside angle of an opening part 6 of a window and an entrance and the upper end of the solid wire netting 3 are reinforced by traverse reinforcing bars, where occasion demands. The solid wire netting 3 is attached on the whole surface of the back of eaves. The lower end part of the solid wire netting 3 is adhered to ground concrete 11 of a foundation 12 or buried in a ground. Thereafter, shot mortar or shot concrete is uniformly sprayed to completely cover the solid wire netting 3.

公开(公告)号：JPH08134936A

公开(公告)日：1996-05-28

申请号：JP27479494

申请日：1994-11-09

Applicant: KAJIMA CORP

Inventor： SASAKI TETSUYA ,  KOMATSU RYOJI

IPC: E02D29/00

Abstract: PURPOSE: To safely construct a low-rise basement which is roughly several meters deep into the ground, without causing ground subsidence due to the collapse of a ground and the movement of a surface layer by employing a reverse placing method by means of two step excavation. CONSTITUTION: A ground is lightly trenched along the inner side of a scarecement section 3 to which a foundation work has been performed, and the scarcement section 3 and an excavated channel 4 are covered by a water proof sheet 5A. Subsequently reinforcing bars are placed in the scarecement section 3 and the inside of the channel 4, and concrete is placed therein thereafter, and a structural body 6 in a reversed L shape is then constructed therein. The inside of the scarecement section 3 is then excavated to a specified depth, and covered by a water proof sheet 5C. Subsequently reinforcing bars are placed along the bottom section and the excavated wall, concrete is placed in the bottom section, and a bottom board 7 is thereby constructed. Besides, a form 8 is set along the excavated wall, concrete is placed by a reverse placing method, and an outer wall 10 integrated with the wall side section of the structural body 6 in a reversed L shape is thereby constructed. Furthermore, concrete is placed in the crown so as to be formed into the floor board 11 of a first floor.

公开(公告)号：JPH04277245A

公开(公告)日：1992-10-02

申请号：JP3611191

申请日：1991-03-01

Applicant: KAJIMA CORP

Inventor： SASAKI TETSUYA

IPC: E04B2/84 ,  E04B2/86

Abstract: PURPOSE:To efficiently construct a concrete wall with heat insulating properties, which is suitable for a small scale building, with high-degree of accuracy. CONSTITUTION:The skeleton of a structural body is formed with horizontal reference members 6 and 6' fitted on one face side of each post, and two metal mesh boards are then connected with each other with lattice members. In each heat insulating metal mesh board 1 in which a heat insulating plate is interposed at the center section between the metal mesh boards, the upper end section of each board is spliced onto the horizontal reference members 6 and 6' so as to be built in. The horizontal reference members 6 and 6' are fitted onto the other face side of each post in such a manner that the upper section of each heat insulating metal mesh board 1 is held between the two horizontal reference members so as to be fixed. Reinforcing bars 8 and 13 are placed on the surfaces of each heat insulating metal mesh board 1 so as to be coated with mortar 14.