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41. 发明专利

JPH11270623A VIBRATION ABSORBING DEVICE FOR TENSION STRUCTURE AND ITS CONSTRUCTION METHOD 失效
公开(公告)号：JPH11270623A
公开(公告)日：1999-10-05
申请号：JP1439999
申请日：1999-01-22
申请人： NIPPON STEEL CORP
发明人： TAKEUCHI TORU , NAKAMURA HIROSHI , IWATA MAMORU , HARADA AKIO , SAITO KIMIO
IPC分类号： E01D1/00 , E01D11/04 , E01D101/00 , E04H9/02 , F16F15/04
摘要： PROBLEM TO BE SOLVED: To reduce the deformation in the vertical direction of a structure which covers a large space, and to attenuate its vibration. SOLUTION: In this absorbing device, a core 5 is fixed around the end of a first tension member 2, a visco-elastic body sheet 7 and a steel plate 6 are laminated and fixed on the side surface of the core 5 alternately in a single layer or plural layers, and the periphery of the outer side steel plate 6 is restricted by a restriction member 10. A lid 12 to surround the side surface of the first tension member 2 is fixed on one side end of the restriction member 10, a spring 11 is inserted between the core 5 and the lid 12, a second tension member 3 is fixed to the other side end of the restriction member 10, and the first tension member 2 is connected visco-elastically with the second tension member 3.

42. 发明专利

JPH11140978A STEEL BRACKET WITH H-SHAPED SECTION FOR CONNECTION OF COLUMN AND BEAM 失效
公开(公告)号：JPH11140978A
公开(公告)日：1999-05-25
申请号：JP31893197
申请日：1997-11-05
申请人： NIPPON STEEL CORP
发明人： TAKEUCHI TORU , MAEDA YASUSHI , NAKADA YASUHIRO
IPC分类号： E04B1/24
摘要： PROBLEM TO BE SOLVED: To prevent plasticization of a bracket base by increasing the width and/or thickness of flange of the bracket base and absorb an external force energy by forming a plastic hinge at the vicinity thereof. SOLUTION: The base end of a steel bracket 3 with an H-shaped section is welded and connected to the side face of a steel frame column 1 with a box-shaped section and a beam 2 with an H-shaped section is bolted or welded to the front end to constitute a structural frame. In this case, the flange width and/or thickness of the base end of the bracket is increased to make the ratio of the section modulus of the welded part B of the end to the plastic section modulus of the plasticization part A larger than the ratio of the maximum yield stress of an applied steel plate and the minimum yield stress. In this way, when a plastic hinge is formed in the plasticization part A of the bracket 3 by a bending load resulting from an earthquake or the like, the stress of the welded part B becomes smaller than the minimum yield stress of the steel member to prevent the fracture of the welded part B of the end and secure the deforming performance by the plastic hinge and absorb an external force energy.

43. 发明专利

JPH11117404A CROSS BUCKLING CONSTRAINING BRACE MEMBER 失效
公开(公告)号：JPH11117404A
公开(公告)日：1999-04-27
申请号：JP29051197
申请日：1997-10-08
申请人： NIPPON STEEL CORP
发明人： TAKEUCHI TORU , NAKADA YASUHIRO , MAEDA YASUSHI
IPC分类号： E04B2/56 , E04B1/58
摘要： PROBLEM TO BE SOLVED: To improve rigidity and yield strength without causing eccentricity by inserting multiple steel central axial force members into at least one side of a buckling constraining concrete member integrated into a cross shape, inserting one or more steel central axial force members into the other side, and providing sticking preventing films between the steel central axial force member surfaces and the concrete member. SOLUTION: Steel central axial force members 2 are inserted into steel pipes 5 combined into a cross shape, steel reinforcing rib plates 6 are fixed to both end sections of the central axial force members 2, and sticking preventing films 3 are formed at the inner portions of the steel pipes 5 at the central members 2 and the rib plates 6. Concrete 8 is filled into the steel pipes 5 to form a buckling constraining concrete member 1. The steel central axial force members 2 in the steel pipes 5 are formed with one band plate in one direction and two band plates in the other direction, and they cross noneccentrically to each other at a central intersection, thereby the buckling constraining concrete member 1 serving as two brace members can be arranged into an X-shape without causing eccentricity in a limited area, and its rigidity and yield strength can be improved.

44. 发明专利

JPH06123336A MECHANISM AND METHOD FOR FIXING STEEL BAR IN TENSION STRUCTURE 失效
公开(公告)号：JPH06123336A
公开(公告)日：1994-05-06
申请号：JP29636592
申请日：1992-10-08
申请人： NIPPON STEEL CORP
发明人： HARADA AKIO , TAKEUCHI TORU
IPC分类号： E04B1/34 , E01D1/00 , E01D2/00 , E01D101/26 , E01D101/28 , F16G11/00 , E01D7/02
摘要： PURPOSE:To use a steel bar safely as an exposed tension member of the tension structure by providing a function for allowing the rotation of a steel bar. CONSTITUTION:A steel bar 5 is inserted from a small diameter hole 4 in to a large diameter hole 2 of a socket 1, and a nut 7 is screwed with a screw bar part 6 of the end of the steel bar 5. A screw thread part 11 of the peripheral surface is screwed with a fitting hole 10 of a fixation object 9 side to fit the socket 1 to the fixation object 9. The socket 1 is screwed into the direction for coming close to the inner bottom surface of the fitting hole 10, and a seat part 3 of the socket 1 is made to abut on a shoulder part 8 of the nut 7 to fix the steel bar 5 between two fixation objects 9 under the tensile condition. When the fixation object 9 is displaced by the wind pressure or the earthquake, the steel bar 5 is rotated within a certain range, making the shoulder part 8 of the nut 7 slide to abut on the seat part 3 of the socket 1, to eliminate the bending stress to be applied to the steel bar 5. The steel bar 5 can be thereby used safely as an exposed tension member of the tension structure.

45. 发明专利

JPH06123334A MECHANISM AND METHOD FOR FIXING STEEL BAR IN TENSION STRUCTURE 失效
公开(公告)号：JPH06123334A
公开(公告)日：1994-05-06
申请号：JP29636392
申请日：1992-10-08
申请人： NIPPON STEEL CORP
发明人： HARADA AKIO , TAKEUCHI TORU
IPC分类号： E04B1/34 , E01D1/00 , E01D2/00 , E01D101/26 , E01D101/28 , F16G11/00 , F16G11/12 , E01D7/02
摘要： PURPOSE:To provide a steel bar fixing mechanism, which is provided with a function for allowing the rotation of a steel bar and a function for leading the initial tension to the steel bar and in which the steel bar can be used safely as an exposed tension member of the tension structure and which is downsized to save space and which has the excellent design. CONSTITUTION:A steel bar 5 is inserted in a small diameter hole 4 and a large diameter hole 2 of a socket 1, and a nut 7 screwed with a screw bar part 6 of the end of the steel bar 5 is housed inside of the large diameter hole 2. A bolt 10 of the fixation object 9 side is screwed with a screw hole part 11 of the end of the large diameter hole 2. A space between a fixation object 9 of one end side of the steel bar 5 and a fixation object 9 of the other end side of the steel bar 5 or a space between a fixation object 9 of one end side of the steel bar 5 and a force applying point 12 of the steel bar 5 are shortened by a predetermined quantity by an external force applying means. Under this condition, the socket 1 is made to approach the fixation object 9 along the bolt 10, and when a spherical or circular seat part 3 of the socket 1 abuts on a spherical or circular shoulder part 8 of the nut 7, the applying of the force by the external force applying means is cancelled.

46. 发明专利

JP2003149311A WIDE BAND ACTIVE MAGNETIC SHIELD METHOD 审中-公开
公开(公告)号：JP2003149311A
公开(公告)日：2003-05-21
申请号：JP2001351204
申请日：2001-11-16
申请人： NIPPON STEEL CORP , MARUKEN SHIELD TEKKU KK
发明人： OKAZAKI YASUO , TAKEUCHI TORU , CHIKUMA KENTARO
IPC分类号： G01R33/02 , G11B5/33 , H05K9/00
摘要： PROBLEM TO BE SOLVED: To provide a detector capable of detecting a wide range of frequency having a relatively simple constitution and a magnetic shield method that can be easily controlled. SOLUTION: The active magnetic shield method comprises a cancel coil arranged on the shielding site, magnetic detection means arranged on the center of the shielding site, an amplifier for amplifying the detected magnetic signal, and a negative feedback circuit for supplying the amplified signal to the cancel coil. A magnetic impedance effect element is used as the magnetic detection sensor.

47. 发明专利

JP2002295051A VISCOUS WALL 失效
公开(公告)号：JP2002295051A
公开(公告)日：2002-10-09
申请号：JP2001093491
申请日：2001-03-28
申请人： NIPPON STEEL CORP
发明人： TAKEUCHI TORU , SUZUKI TATSUTO , NAKAMURA HIROSHI
IPC分类号： E04B2/86 , E04H9/02 , F16F15/023
摘要： PROBLEM TO BE SOLVED: To provide a viscous wall capable of facilitating manufacture, reducing the manufacturing cost and obtaining stable damping force. SOLUTION: This viscous wall is formed by a box-shaped body 20 installed on the top part of a lower skeleton, a resistance plate 30 inserted in the box- shaped body 20 and having the upper end part fixed to an upper skeleton, and a viscous fluid 50 filled in the box-shaped body 20. An orifice 40 is formed between a first projecting member 23 projected from the inner wall surface of the box-shaped body 20 and the resistance plate 30, and between a second projecting member 33 projected from both faces of the resistance plate 30 and the inner wall surface of the box-shaped body 20. When the resistance plate 30 is relatively displaced to the box-shaped body 20, the viscous fluid 50 is let flow through the orifice 40 to damp the stress applied to a building.

48. 发明专利

JP2002213019A COLUMN BASE SUPPORT MEMBER AND COLUMN BASE SUPPORT STRUCTURE OF BUILDING 失效
公开(公告)号：JP2002213019A
公开(公告)日：2002-07-31
申请号：JP2001012945
申请日：2001-01-22
申请人： NIPPON STEEL CORP , IS KK
发明人： TAKEUCHI TORU , SUZUKI KAZUSADA , URYU TAKAYUKI
IPC分类号： E02D27/00 , E04B1/24 , E04B1/36
摘要： PROBLEM TO BE SOLVED: To provide a column base support member and a simple column base support structure of a building capable of securely transmitting a shearing force while rotating in arbitrary direction and reducing cost. SOLUTION: A column 40 is connected with an upper part of a pile foundation 20 to support it by an inner pattern 30 attached to an upper part of the pile foundation 20 and an outer pattern 50 attached to a lower part of the column 40 of a structure and engaging with the inner pattern 30. The inner pattern 30 has an outer face shape forming a spherical face having a central angle exceeding 180 degrees. The outer pattern 50 has an inner face shape forming a spherical face having a central angle of 180 degrees.

49. 发明专利

JP2002180483A STRUCTURE USING STEEL PIPE PILE AS COLUMN AND METHOD OF CONSTRUCTING IT 失效
公开(公告)号：JP2002180483A
公开(公告)日：2002-06-26
申请号：JP2000375489
申请日：2000-12-11
申请人： NIPPON STEEL CORP , IS KK
发明人： TAKEUCHI TORU , URYU TAKAYUKI , NAKAMURA HIROSHI
IPC分类号： E02D5/28 , E02D5/18 , E02D27/00 , E02D27/12 , E02D29/045 , E04B1/24 , E21D13/00
摘要： PROBLEM TO BE SOLVED: To provide a method capable of rationalizing the cost and period of construction work for the skeleton of an underground structure constructed using top-down construction method. SOLUTION: In the structure which uses steel pipe piles for its foundation, the steel pipe piles 3 are directly used as columns for its underground portion and steel beams 13 are used as beams for the underground portion. The steel beams 13 are joined to the steel pipe piles 3 by use of split outer diaphragms, and concrete walls 7 are provided for portions located on the outer peripheries of the steel pipe piles 3 and making contact with soil. The concrete walls are supported by the steel pipe piles 3 whereby the whole or part of the underground structure is constructed of steel.

50. 发明专利

JP2001090374A STRUCTURE OF EARTHQUAKE RESISTANT BUILDING 失效
公开(公告)号：JP2001090374A
公开(公告)日：2001-04-03
申请号：JP26124299
申请日：1999-09-14
申请人： TAKAHASHI TEIICHI , WADA AKIRA , OVE ARUP & PARTNERS JAPAN LTD , SHIMIZU CONSTRUCTION CO LTD , NIPPON STEEL CORP
发明人： TAKAHASHI TEIICHI , WADA AKIRA , HIKONE SHIGERU , HORI TOMIHIRO , TAKEUCHI TORU
IPC分类号： E04B1/34 , E04H9/02
摘要： PROBLEM TO BE SOLVED: To longer or super-longer lengthen the natural period of a building. SOLUTION: This structure of an earthquake-resistant building comprises a core shaft 1 and a main structural body 2 supported in an oscillating manner with its top as a supporting point. The main structural body comprises a top structural body 4 supported on a top of the core shaft by an oscillating supporting device and a building support part 5 supported in a suspended manner, and is responded as a pendulum like a balancing toy in an earthquake, and its natural period is set to be sufficiently longer than the period of the earthquake. The oscillating and supporting device forming of a single spherical seat 3 or an assembly of a plurality of base isolation devices inclined toward the imaginary center, is provided in one stage or in a multiple stage in the vertical direction. A phase mechanism 15 and a damper 6 are interposed between a building body part and the core shaft or the ground. A slab 10 is supported in a suspended manner with columns 8 of the building body part as suspension members, and a reinforcing means 14 to restrict the interlayer displacement is provided. A stay 6 projecting upward is provided in a center part of the top structure body, and a peripheral edge part of the top structural body is supported from the stay by tension members 7 in a suspended manner.

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