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1. 发明专利

JPH10339099A RECTANGULAR STEEL SEGMENT 失效
公开(公告)号：JPH10339099A
公开(公告)日：1998-12-22
申请号：JP15208597
申请日：1997-06-10
申请人： KAWASAKI STEEL CO , TODA CONSTRUCTION
发明人： SHISEKI AKIO , UKEKAWA MAKOTO , TANIGUCHI TORU , SHINOHARA MITSURU , YONEZAWA HIROSHI , IMASHIO HIROYUKI , SHIODA KEISUKE
IPC分类号： E21D11/14
摘要： PROBLEM TO BE SOLVED: To improve the strength by providing an H-shaped member which is attached to an end part joint part of a segment and with which flange faces come in contact mutually and connection bolt which passes through flanges of the H shaped member and tightens them mutually in a joint part. SOLUTION: H-shaped members 2a, 2b are attested to end parts of adjacent segments 1a, 1b, respectively, and the H-shaped members 2a, 2b are attached in such a manner that flanges 3, 3 come in contact with flange outer faces mutually adjacent H-shaped members. The H-shaped members 2a, 2b are provided with a hole through which four flanges pass and many bolts 4 which pass through this hole and bind the H-shaped members. For this reason, this joint structure is a simple structure and becomes a powerful joint for pulling and bending. As the H-shaped member, H-shape steel which is a standardized product may be used, or a plate and a member having T-character cross section may be used in accordance with the strength of a joint. Consequently, it is possible to improve the strength and correspond to severe conditions by providing the joint of the segment and a structure which uses the H-shaped member.

2. 发明专利

JPH09302627A CONSTRUCTION METHOD OF REINFORCING ROAD PIER 失效
公开(公告)号：JPH09302627A
公开(公告)日：1997-11-25
申请号：JP14648296
申请日：1996-05-17
申请人： KAWASAKI STEEL CO , KAWATETSU TECHNO CONSTR KK
发明人： YONEZAWA HIROSHI , SHINGU KAZUCHIKA , MIYAGAWA YASUSHI , SHIODA KEISUKE , HIRAKAWA MASAHITO , ARIZONO KAZUKI , MAEDA KATSUMI , SATO MINORU
IPC分类号： E01D19/02 , E01D21/00 , E01D22/00 , E01D101/24
摘要： PROBLEM TO BE SOLVED: To reduce the cost for pier reinforcement and shorten the term of works by using an exclusive machine having a magnet on a steel plate installing hand on the tip of an arm provided on a self-traveling type base machine, holding up a lining steel pipe, moving it to a pier position, and installing the steel pipe to the pier circumference. SOLUTION: A pier reinforcement exclusive machine 10 has a steel pipe installing hand 13 rotatably provided on the tip of an arm 12 provided on a self-traveling type base machine 11. The hand 13 has a lateral pair of holders 14 having magnets 15 on both ends, the hand 13 moves the magnets 15 by expansion/contraction and opening/closing of the holders 14, a pier lining halved steel pipe 1 is attracted by ON of the magnets 15 and released by OFF thereof. A plurality of exclusive machines 10 are used to install halved steel pipes 1 to the circumference of a pier, the bonding edge parts of a pair of halved steel pipes 1 are bonded together by use of a lifter, a filler is injected to the clearance between the pier circumference and the halved steel pipe 1, whereby the reinforcement is completed. Thus, the pier can be reinforced without using a scaffold, and the cost and term of works can be reduced.

3. 发明专利

JPH10153100A MANUFACTURE OF RECTANGULAR STEEL SEGMENT 失效
公开(公告)号：JPH10153100A
公开(公告)日：1998-06-09
申请号：JP31503096
申请日：1996-11-26
申请人： KAWASAKI STEEL CO
发明人： YONEZAWA HIROSHI , IMASHIO HIROYUKI , SHIODA KEISUKE
IPC分类号： E21D11/14
摘要： PROBLEM TO BE SOLVED: To manufacture a rectangular segment labor-savingly at a low cost by forming a back board and edge boards with a bent steel sheet, and fitting an intermediate rib by welding. SOLUTION: A steel sheet is bent into a flat dish shape having a U-cross section, a back board 2 and edge boards 3 are molded by the bent steel sheet, and flanges 4 and a T-steel 5 are connected to form a rectangular steel segment 1. Welding lines 11 are required at only four positions, and there is no duplication of a steel product. The rectangular steel segment 1 which is reasonable and requires little manufacturing labor and a low manufacturing cost can be manufactured.

4. 发明专利

JPH10131177A WATER-BED GROUND FOUNDATION REINFORCING METHOD AND DEVICE THEREOF 失效
公开(公告)号：JPH10131177A
公开(公告)日：1998-05-19
申请号：JP29203396
申请日：1996-11-01
申请人： KAWASAKI STEEL CO , KAWATETSU TECHNO CONSTR KK , TEKKEN CONSTR CO
发明人： KAMIMURA RYUZO , SATO KIMIMASA , YONEZAWA HIROSHI , IMASHIO HIROYUKI , SHIODA KEISUKE , ITO TAKESHI , NOZAKI HIDEAKI , NOSE TAKAHIRO
IPC分类号： E02D5/24
摘要： PROBLEM TO BE SOLVED: To provide technology for reinforcing a bridge pier in the water bed ground as it stands without executing reinforcement by forming a temporary cofferdam of steel sheet piles to dry up. SOLUTION: By a water-bed ground foundation reinforcing method, reinforced steel plates 8 to be divided for surrounding the circumference of a footing pile 7 are cylindrically built up with interlocking type joint construction in the air upward of the footing pile 7 for bearing a sleeper beam 3 of a bridge pier 2 for an expressway 1 or in the water, and force-fit of the reinforced steel plates around the footing pile 7 is made by means of a vibro hammer. Then, earth and sand between the footing pile 7 and reinforced steel plates 8 are eliminated, and a space between the reinforced steel plates 8 and footing pile 7 is filled with filler to form them into a unit.

5. 发明专利

JPH0931935A REPAIR METHOD FOR URBAN RIVER 失效
公开(公告)号：JPH0931935A
公开(公告)日：1997-02-04
申请号：JP18142595
申请日：1995-07-18
申请人： KAWASAKI STEEL CO , WAKEN SEKKEI JIMUSHO KK
发明人： YONEZAWA HIROSHI , SHINOHARA MASAKI , ODA MAKIHEI
IPC分类号： E02B3/02
摘要： PROBLEM TO BE SOLVED: To execute repair work in a water flowing state in an urban river whose hinterland is small. SOLUTION: A walling 2 is mounted along the top of a steel sheet pile wall 1 on both banks where a shore strut 5 is set up between the tops of the steel sheet pile wall 1 on both banks while a traveling rail 6 is set up outside the steel sheet pile wall 1 so that a movable mount 7 may be loaded across the traveling rail 6 on both banks. Excavation of a river bed and suspension work of a strut 8 or the like are executed by driving a crane C on the movable mount 7.

6. 发明专利

JPH112098A JOINT STRUCTURE OF STEEL SHELL PIECE, JOINT, AND STEEL SHEET PIECE WITH JOINT 失效
公开(公告)号：JPH112098A
公开(公告)日：1999-01-06
申请号：JP17110197
申请日：1997-06-12
申请人： KAWASAKI STEEL CO
发明人： YONEZAWA HIROSHI , SHIODA KEISUKE , SUEDA AKIRA
IPC分类号： E21D11/04 , E21D13/04
摘要： PROBLEM TO BE SOLVED: To increase the joint strength by providing a male joint having a truncated conical projection part on the main beam of one steel shell piece used for a rectangular shield tunnel, and providing a female joint having a receiving part on the other steel shell piece. SOLUTION: A male joint 21 is formed of a plate connecting part 24, a truncated conical projection part 25, and a rib 24. The truncated conical projection part 25 and a female joint 22 have axes right-angled to the axial directions of respective main beams 20A, 20B and right-angled to the lateral direction of a steel shell piece 8, and lengths substantially equal to the thickness of the main beams. The truncated conical projection part 25 is tapered, and the female joint 22 has a truncated conical projection housing part 27 provided within a block 26 connected to the steel shell piece 8 and capable of fitting the male joint 21 and a clearance 29 corresponding to the rib 24. The male joint 21 is preferably connected and integrated over a plurality of main beams by a connecting part 28, and fixed to the end part of the steel shell piece 8. The assembling and constructing work of a steel shell ring can be facilitated and made more efficient.

7. 发明专利

JPH10227002A WIDENING OF ROAD, AND CONSTRUCTION METHOD THEREOF 失效
公开(公告)号：JPH10227002A
公开(公告)日：1998-08-25
申请号：JP16745697
申请日：1997-06-24
申请人： KAWASAKI STEEL CO
发明人： SHINGU KAZUCHIKA , YONEZAWA HIROSHI , SHIODA KEISUKE
IPC分类号： E02D27/32 , E01C1/00
摘要： PROBLEM TO BE SOLVED: To improve the workability by connecting foundation piles, which are placed in a mountain side and a valley side of a road, through a foundation beam, and providing floor plates on the beam projected outside of the valley side end from the foundation beam. SOLUTION: Foundation piles 3, 4 are placed with the predetermined space in the extension direction of a road in a crest side end and a valley side end of an existing road 1, and heads of the piles 3, 4 are connected to each other through a foundation beam 5. Continuously, a floor plate 7 and a pavement 8 are provided on a projecting beam 6 extended to a valley side of the beam 5 in the horizontal direction. Heads of the piles 3, 4 are formed of a weather resistant steel plate at need so as to improve the durability, and the piles 3, 4 are provided with a large diameter top plate so as to absorb an error of pile placing position. As the piles 3, 4, a reinforcing bar installed steel pipe, of which outside is filled with the grout material, or a H-type steel having a large surface area is used so as to increase the drawing resistance. Drill pile and field placing reinforcement concrete pile are used so as to facilitate the construction. With this structure, strength can be secured, and while necessity of maintenance is eliminated, and use of heavy machinery can be reduced.

8. 发明专利

JPH09296443A JOINT STRUCTURE OF SHEARING PARTITION WALL OF SHEET PILE WALL 失效
公开(公告)号：JPH09296443A
公开(公告)日：1997-11-18
申请号：JP10946396
申请日：1996-04-30
申请人： KAWASAKI STEEL CO
发明人： UTSUNOMIYA SHINZO , YONEZAWA HIROSHI
IPC分类号： E02D5/06 , E02D5/08
摘要： PROBLEM TO BE SOLVED: To increase the strength against a tensile load of a joint of a shearing partition wall of a sheet pipe wall through a filling material, by fitting dowel reinforcing materials to a T-shaped steel and a connection member to form a joint structure with a large shearing and tensile strength. SOLUTION: Dowel reinforcing materials 4 are fitted to a web 3 near a flange 2 of a T-shaped steel 1. A fitting member 10 with a slit 12 is provided with a member 11 with a box-shaped section having the inside space 15 and a web 14 at the rear side. And dowel reinforcing materials 13 are fitted to the inside of the member 11. The flange 2 of the T-shaped steel 1 is contained in the inside space 15. A filling material is charged in the inside space 15 of the fitting member 10 in the state the web 3 of the T-shaped steel 1 pierces the slit 12. In this way, the T-shaped steel 1 is integrally stuck to the filling material and hence, the dowel reinforcing material 13 works effectively to form a transmission structure bearable against shearing forces and tensile forces.

9. 发明专利

JPH09242326A MOVING WORKING PLATFORM FOR CONSTRUCTION WORK AND USAGE THEREOF 失效
公开(公告)号：JPH09242326A
公开(公告)日：1997-09-16
申请号：JP4728596
申请日：1996-03-05
申请人： KAWASAKI STEEL CO
发明人： YONEZAWA HIROSHI , IMASHIO HIROYUKI
IPC分类号： E02B3/00 , E04G1/15 , E04G27/00
摘要： PROBLEM TO BE SOLVED: To simplify installation and movement, and to make a moving working platform for construction works economical by a method wherein covering plates are spread all over the surface of a lattice frame formed by assembling steel materials and the working platform is constituted, travel devices are mounted to lower sections in the vicinity of both ends of main girders configuring the outer circumference of the lattice frame, and parts of wheels can be driven. SOLUTION: This working platform 1 is constituted by spreading covering plates all over the surface of a lattice frame formed by assembling steel materials, travel devices 2 are installed to lower sections in the vicinity of both ends of parallel main girders 11 on an outer circumference, and driver's cabs 14 and ladders 15 for lifting and lowering are set up at the four comers of the lattice frame. Since wheels mounted on the travel devices 2 are crossed and placed on rails 3 installed at the top sections of sheet piles 4, the moving working platform can travel in the direction of the flow of a river. Rail clamps 27 for holding at the time of stoppage and buffers 28 for collision prevention are set up. Since a drive mechanism is configured of a hydraulic motor and a speed reducer and drives the wheels of trucks and a bogie mechanism permits rotation in the horizontal planes of the trucks, the working platform can travel so far as a section between the rails is kept constant.

10. 发明专利

JPH08333742A DOUBLE SHEET-PILE STRUCTURE 失效
公开(公告)号：JPH08333742A
公开(公告)日：1996-12-17
申请号：JP14147795
申请日：1995-06-08
申请人： UNYUSHO KOWAN GIJUTSU KENKYUSH , KAWASAKI STEEL CO
发明人： TAKAHASHI KUNIO , KIKUCHI YOSHIAKI , SHIMADA JUNICHI , YONEZAWA HIROSHI , MIZUTANI TASAKU , AKUTAGAWA HIROAKI
IPC分类号： E02D5/02
摘要： PURPOSE: To secure a double sheet pile that is large in buckling strength and ease of execution by forming a reinforcing bulkhead to be installed in the inner part of a double wall body consisting of a steel pipe sheet pile or the like as being connected to section steel with a rib of H steel on the like, and connecting the end pant with a joint. CONSTITUTION: A bulkhead 3, being composed of a standard panel 30a made up of welding plural pieces of H steel to a flange part and a space adjusting deformable panel 30b, is installed in the inner part of a double wall body consisting of two sheet- pile walls 1 and 2 placed two steel sheet piles or steel-pipe sheet piles 11 and 21 in two rows at an interval between them. In addition, a joint member 33 is installed in each space between the sheet piles 11, 21 and the panel 30a as well as between both the panels 30a and 30b respectively, and then a solidifier such as mortar 34 or the like is filled up and connected together. This double wall body is used for a temporary cutoff or the like to a time when a structure of an underwater tunnel and a pier or suchlike is set up, and an interval between the sheet-pile walls 1 and 2 is reinforced firmly with limited structural steel, while both setup and disassembly operations are made so as to be easily performable. With this constitution, the promotion of efficiency in execution of works is well expedited.

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