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1. 发明专利

JPH09100695A ENTRANCE PACKING OF SHIELD CONSTRUCTION METHOD 失效
公开(公告)号：JPH09100695A
公开(公告)日：1997-04-15
申请号：JP25861495
申请日：1995-10-05
申请人： KAJIMA CORP , TAKENAKA DOBOKU , DAIHO CONSTRUCTION CO LTD , OSAKA CITY , KURODA TEC KK
发明人： UEDA AKIRO , OKAMOTO TETSUYA , YAMADA ISAO , SHIMOKAWA SHOJIRO , IKEDA YOJIRO , TOMIZAWA TSUTOMU , KISHIO TOSHISHIGE , KURODA HISAAKI
IPC分类号： E21D9/06
摘要： PROBLEM TO BE SOLVED: To easily and surely stop water even in an irregular part such as recessed part in a multicircular shield or other different diameter shield. SOLUTION: As a rubber packing, an inside rubber packing 8 according to the form of a shielding machine and a single outside rubber packing 9 or a plurality thereof according to the form of a segment are superposed and arranged. As occasion demands, an air bag 13 is arranged on the outside these rubber packings as a pressing mechanism of the rubber packings.

2. 发明专利

JP2000204877A METHOD OF PLACING REINFORCEMENT INTO SOIL MORTAR FOREPOLING FOR TUNNEL 失效
公开(公告)号：JP2000204877A
公开(公告)日：2000-07-25
申请号：JP519099
申请日：1999-01-12
申请人： KAJIMA CORP
发明人： ISHITANI TADATOSHI , AMANO MITSUYA , SONODA TAKEO , YAMADA ISAO , SAKATA SHINICHI , SAITO SHIGERU
IPC分类号： E21D9/04 , E21B3/00 , E21B6/02
摘要： PROBLEM TO BE SOLVED: To provide a method of placing a reinforcement into a soil mortar forepoling capable of rapidly placing the core material in tunneling. SOLUTION: A method of placing a reinforcement into a soil mortar forepoling comprises a preparation work stage Z1 in which bits 6 and 6 are reduced in diameter for excavating a pilot hole and a core material 13 to be placed into the forepoling and a pressing material 14 to press the core material 13 are placed in a boring device A, a pilot hole excavating work stage Z2 in which a pilot hole is excavated, a pre-core material set work stage Z3 in which a next core material 13 is placed in the pilot hole excavated to a specified depth, a bit diameter increasing and core material holding work stage Z4 in which a bit located at the specified depth is increased in diameter and the rear part of the next core material 13 is fixedly held, a diameter expanding, post-moving, and core material remaining work stage Z5 in which the diameter- increased bit is moved backward to excavate with an increased diameter to a specified position, the core material is pushed out from the boring device and made it remained in a pile hole, and a solidifying agent is filled into the hole together with the boring and agitated and mixed with excavated soil, and a bit diameter reducing and backward movement work stage Z6.

3. 发明专利

JP2000186901A DEVICE AND METHOD FOR DETECTING POSITION AND ORIENTATION OF OBSTACLE 失效
公开(公告)号：JP2000186901A
公开(公告)日：2000-07-04
申请号：JP36435898
申请日：1998-12-22
申请人： KAJIMA CORP
发明人： KURONUMA IZURU , ISOBE TAKAHISA , YAMADA ISAO , ISHIMARU YUTAKA
IPC分类号： G01B5/004
摘要： PROBLEM TO BE SOLVED: To improve detecting accuracy in a position and orientation of an obstacle so as to detect the exact contact point therewith, irrespective of the position of contact in the tip surface of a detecting rod. SOLUTION: This detecting method for a position and orientation, is provided in a tip surface 2 of a rotatable detecting rod 1 with the rod 1 kept freely rotatable for a linear rotation reference detector 3 which extends from the center of the detecting rod 1 to the periphery, and a circular-arc contact detector 4 extending from the center of the detecting rod 1 to the periphery, so as to be connected to the rotation reference detector 3, and detects a rotation angle of the detecting rod 1 at which the rotation reference detector 3 comes into contact with an obstacle 6, and an additional rotation angle at which the contact detector 4 comes into contact with the obstacle 6 after the contact of the rotation reference detector 3 therewith, and computes a coordinate value (X, Y) of the contact point of the contact detector 4 with the obstacle 6, on the basis of these rotation angles.

4. 发明专利

JPH11123661A CUTTING METHOD AND DEVICE BY ABRASIVE JET 失效
公开(公告)号：JPH11123661A
公开(公告)日：1999-05-11
申请号：JP29267797
申请日：1997-10-24
申请人： KAJIMA CORP
发明人： ISOBE TAKAHISA , YAMADA ISAO , ISHIMARU YUTAKA , SHIODA KOSUKE
IPC分类号： E04G23/08 , B24C5/02 , B26F3/00
摘要： PROBLEM TO BE SOLVED: To provide a cutting method and a cutting device by an abrasive jet which can reduce the attenuation of the cutting ability in the water as low as possible. SOLUTION: By an abrasive jet injection nozzle 1 which consists of an inner pipe 2 furnishing an injection hole to inject an abrasive jet A, and an outer pipe 3 to cover the outer periphery of the inner pipe 2, and to furnish an injection hole to inject an air jet B, the air jet B is injected from the periphery of the abrasive jet A, so as to cut a work by an abrasive jet covering the outer periphery of the abrasive jet A by the air jet B.

5. 发明专利

JPH06341824A METHOD AND APPARATUS FOR MEASUREMENT OF INSIDE SHAPE OF EXCAVATION HOLE 失效
公开(公告)号：JPH06341824A
公开(公告)日：1994-12-13
申请号：JP13340093
申请日：1993-06-03
申请人： KAJIMA CORP
发明人： OCHI TATSUYUKI , MIYOSHI KATSUTOSHI , KATAUE KIMIMASA , YAMADA ISAO , SHIMOKAWA SHOJIRO
IPC分类号： G01B17/00 , G01B17/06 , G01S15/06
摘要： PURPOSE:To provide the method and the apparatus, for measurement of the inside shape of an excavation hole, in which a high-accuracy measuring operation can be performed by a plurality of transducers which are driven by one ultrasonic oscillator. CONSTITUTION:A changeover device 12 composed of an electric-vibration input terminal, of a transducer output-signal sending-out terminal and of a switching circuit which selectively connects the input terminal and the sending-out terminal to a plurality of ultrasonic-wave transducers 9 is installed on an excavator 3 to which the individual receivers 9 have been attached. A transducer 4 which is coupled to an ultrasonic oscillator 7, a transducer output-signal processing circuit 8 and a changeover control circuit 11 is installed on the grounding surface, and the oscillator 7, the signal processing circuit 8 and the control circuit 11 are connected respectively to the input terminal, the sending-out terminal and the switching circuit for the changeover device 12 by means of elastic cables 22. The switching circuit is controlled by the control circuit 11, the transducers 9 are connected to the oscillator 7 and the signal processing circuit 8 one by one, and the distance between the outer face of the excavator and the inner face 10 of an excavation hole is measured.

6. 发明专利

JPH1190832A CUTTING/BORING METHOD AND DEVICE WITH HIGH-PRESSURE JET WATER 失效
公开(公告)号：JPH1190832A
公开(公告)日：1999-04-06
申请号：JP18056098
申请日：1998-06-26
申请人： KAJIMA CORP , KAWASAKI HEAVY IND LTD
发明人： ISOBE TAKAHISA , YAMADA ISAO , ISHIMARU YUTAKA , SAKAMOTO YOSHIKANE , SHIBATA KENJI , BANDO KOJI , IKEDA TAKESHI , TSUJITA CHIKAFUMI , NAKAZAWA MUTSUHIRO
IPC分类号： B26F3/00 , B24C5/02 , B28D1/00 , E02D9/00 , E21D9/06 , E21D9/08
摘要： PROBLEM TO BE SOLVED: To provide a cutting/boring method and device using high pressure jet water which can secure a large hole diameter even in case one nozzle is furnished on a rod, prevent generation of a part left without cutting, can select appropriate cutting and boring with different patterns, has no necessity for the operator(s) to work at the face when this is disposed to a shield machine, ensures safe operations, and is favorably applicable to a muddy water pressurize shield machine. SOLUTION: An angle of an abrasive jet nozzle 1 or water jet nozzle is set any as desired, and the cutting/boring operation is conducted while a casing rod 2 to support the nozzle at the set angle is rotated and/or advanced and retreated, wherein the angle of nozzle and the rotation and advance/retreat of the casing rod 2 in the cutting/boring operation are decided appropriately in compliance with existence of steel materials and/or the condition of the bored section for example its shape, and boring is made for the object such as pile or it is cut with the cutting/boring positions continued.

7. 发明专利

JP2000002089A CUTTING OR DRILLING METHOD AND DEVICE BY HIGH-PRESSURE JET WATER 失效
公开(公告)号：JP2000002089A
公开(公告)日：2000-01-07
申请号：JP13396499
申请日：1999-05-14
申请人： KAJIMA CORP
发明人： ISOBE TAKAHISA , YAMADA ISAO , ISHIMARU YUTAKA , SAKAMOTO YOSHIKANE , SHIBATA KENJI , BANDO KOJI , IKEDA TAKESHI , TSUJITA CHIKAFUMI , NAKAZAWA MUTSUHIRO
IPC分类号： B24C5/02 , E21D9/06 , E21D9/08
摘要： PROBLEM TO BE SOLVED: To ensure a large bore diameter by shortening a standoff distance even at the time of one nozzle installed to a rod, to prevent the generation of a cutting-residue section, to select cutting and drilling in different patterns properly, to carry out cutting and drilling corresponding to the state of a cut cross section such as the presence of a steel material, etc., and to conduct operation efficiently. SOLUTION: A casing rod 2 supporting an abrasive jet nozzle 1 is rotated and/or forward moved and retreated simultaneously by a forward-retreat mechanism and a rolling mechanism while arbitrarily changing the angle of the abrasive jet nozzle 1 as a member injecting abrasive-mixed high-pressure jet water by an injection-angle changing mechanism, and cutting or drilling is performed. The angle of the abrasive jet nozzle 1 and the rotation and forward movement and retreat of the casing rod 2 at the time of cutting and drilling are selected properly in response to the state of a drilled cross section such as the presence of a steel material and the shape, etc., of the steel material, an object such as a pile is bored, and cut and drilled places are continued and the object such as the pile is cut.

8. 发明专利

JPS5361110A METHOD OF DRAINING 失效
公开(公告)号：JPS5361110A
公开(公告)日：1978-06-01
申请号：JP13588376
申请日：1976-11-12
申请人： KAJIMA CORP
发明人： YAMAMOTO TAKASHI , YAMADA ISAO
IPC分类号： E02D3/10

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