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1. 发明专利

JPH06299622A JOINING METHOD FOR PRECAST CONCRETE COLUMN WITH BEAM BRACKET AND PRECAST CONCRETE EARTHQUAKE RESISTING WALL WITH BEAM STEEL FRAME 失效
公开(公告)号：JPH06299622A
公开(公告)日：1994-10-25
申请号：JP8631693
申请日：1993-04-13
申请人： FUJITA CORP
发明人： MATSUBARA HIROSHI , SANPEI AKIHIKO , SASAKI HITOSHI , MATSUDO MASASHI
IPC分类号： E04B1/30 , E04B2/56
摘要： PURPOSE:To simplify joining work by previously buriedly providing the end of an earthquake resisting wall with a beam-flange joining steel plate, and connecting the joining steel plate to the flange of the beam bracket of a column. CONSTITUTION:A large diameter joining reinforcement 5 for beams on upper and lower layers is joined to a beam steel frame 1, and a beam flange joining steel plate 3 is buriedly provided for forming a PC earthquake resisting wall. A with beam steel frame for the lowest floor. Next joining steel plates 3, 3 for the beam flange of the earthquake resisting wall A are joined to the beam bracket 9 of the PC column B by high strength bolts 7. In addition, the PC earthquake resisting wall A' with beam steel frame on a next layer is piled up on the earthquake resisting wall A for the lowest floor, and their beam steel frames 1 are joined through a beam to beam joining plate 6 by the high strength bolt 7. Thus the term of work can be shortened, and the cost of construction can be saved.

2. 发明专利

JPH05306544A 失效
公开(公告)号：JPH05306544A
公开(公告)日：1993-11-19
申请号：JP11143392
申请日：1992-04-30
申请人： FUJITA CORP
发明人： SASAKI HITOSHI , SANPEI AKIHIKO , MATSUDO MASASHI , MATSUBARA HIROSHI
IPC分类号： E04B1/16 , E04B1/21
摘要： PURPOSE:To improve construction property and reduce cost of members and erection cost. CONSTITUTION:Oppositely disposed precast reinforced concrete beams 6, wherein rib bars are provided and under-beam bars 5 are projected horizontally and then bent upward so that they do not interfere with one another, are mounted on a precast reinforced concrete column 1, wherein column main bars 2 are projected from the top thereof and vertical auxiliary bars 3 and hoop bars 4 in a panel zone are provided. A lower end bar protruding part of each of the beams 6 is inserted into the panel zone and auxiliary hoop bars 7 are wound around the bars 3 in said zone and then concrete is placed in the panel zone together with a slab.

3. 发明专利

JPH05306543A 失效
公开(公告)号：JPH05306543A
公开(公告)日：1993-11-19
申请号：JP11143492
申请日：1992-04-30
申请人： FUJITA CORP
发明人： SASAKI HITOSHI , SANPEI AKIHIKO , MATSUDO MASASHI , MATSUBARA HIROSHI
IPC分类号： E04B1/21
摘要： PURPOSE:To provide high construction efficiency, enable a beam-bending-yield type design even in a panel zone under high stress and make it possible to provide two-stage reinforcing bar arrangement of main reinforcing bar at the lower edge of a beam, simplify reinforcing bar arrangement, and improve mechanical property of members. CONSTITUTION:Oppositely disposed precast concrete columns 3, wherein main reinforcing bars 4 in the lower edge of a beam are welded to steel plates 5, are placed on the top of a precast concrete column wherein main reinforcing bars 2 of the column are partially projected therefrom. And the steel plate 5 is welded to a diaphragm type steel plate 8 disposed in a panel zone, and concrete is placed in the panel zone together with a slab.

4. 发明专利

JPH07207781A JOINING STRUCTURE OF STEEL FRAME, REINFORCED CONCRETE COLUMN AND BEAMLESS PRECAST CONCRETE BEARING WALL 失效
公开(公告)号：JPH07207781A
公开(公告)日：1995-08-08
申请号：JP575294
申请日：1994-01-24
申请人： FUJITA CORP
发明人： MATSUBARA HIROSHI
IPC分类号： E04B2/56 , E04B1/16
摘要： PURPOSE:To improve workability by fixing a large diameter horizontal directional reinforcement for bending and shearing resistance arranged in a beamless precast concrete bearing wall to a steel frame and a column steel frame in a reinforced concrete column. CONSTITUTION:A column steel frame 8 of an SRC column A, a ridge directional half PCa beam D, a space directional bearing wall B and a half PCa floor plate C are located. Next, column main reinforcements 1 and vertical reinforcements 11 of a cast-in-place part B' of the bearing wall are joined to reinforcements in a lower layer. Next, a fixing reinforcement 9 protrusively arranged on the column steel frame 8 and a horizontal joining reinforcement 6 composed of a large diameter screw knot reinforcement are joined together through a mechanical joint 13, and column hoops 2 are arranged in order from a lower part. A column A and a form of the cast-in-place part B' of the bearing wall are located, a head tying reinforcement composed of a large diameter screw knot reinforcement in the space direction in the vicinity of a wall head part and a slab reinforcement as a distributing bar are arranged, and after the head tying reinforcement is fixed to the column steel frame 8, concrete for a column, a wall and a floor is placed.

5. 发明专利

JPH06248722A JOINING METHOD FOR PRECAST REINFORCEMENT CONCRETE EARTHQUAKE RESISTING WALL AND STEEL FRAME BEAM 失效
公开(公告)号：JPH06248722A
公开(公告)日：1994-09-06
申请号：JP6106193
申请日：1993-02-25
申请人： FUJITA CORP
发明人： MATSUBARA HIROSHI , SANPEI AKIHIKO , SASAKI HITOSHI , MATSUDO MASASHI
IPC分类号： E04B2/58 , E04B2/56
摘要： PURPOSE:To simplify the joining of a precast reinforcement concrete (hereinafter referred to as PC) earthquake resisting wall and a steel frame beam for labor saving, to reduce an executing cost required for erection and joining, to shorten an execution schedule and to make joining having high bearing force being high in reliability possible. CONSTITUTION:Cover plates 3 for joining a steel frame beam flange is severally attached to the four corners of the upper and lower faces of a wall plate 2 made of PC, and both the ends 4a of a plurality of perpendicular reinforcements 4 of the wall plate 2 are protrusively formed. Both the ends 4a of the perpendicular reinforcement 4 of the wall plate 2 are inserted through a passing through hole provided on the flange of a steel frame beam bracket additional provided on a steel frame beam 7 or a PC column 9 on upper and lower floors and fixed. Thus the wall plate and the steel frame beam are mutually joined.

6. 发明专利

JPH06185139A HORIZONTAL JOINING METHOD OF PRECAST CONCRETE EARTHQUAKE RESISTING WALL WITH STEEL BEAM 失效
公开(公告)号：JPH06185139A
公开(公告)日：1994-07-05
申请号：JP33710792
申请日：1992-12-17
申请人： FUJITA CORP
发明人： MATSUBARA HIROSHI , SANPEI AKIHIKO , SASAKI HITOSHI , MATSUDO MASASHI
IPC分类号： E04B2/58 , E04B2/56 , E04H9/02
摘要： PURPOSE:To facilitate execution of the work by dividing only upper part of a steel beam or its lower flanges in two each, joining a precast concrete earthquake resisting wall in advance to the flanges, and conducting the horizontal joining work only in the steel beam parts at the site. CONSTITUTION:At a factory, an upper PCa earthquake resisting wall 2 is joined with the upper flange 1a of each steel beam 1 in advance. An L-shaped joining metal piece 3 is joined to each side of the web bottom of this steel beam 1. After erecting a column, beam-equipped PCa earthquake resisting wall is erected. The upper wall 2 and steel beam 1 are sunk, and the two metal pieces 3 at the bottom of the steel beam 1 are seated on the lower flange 4 on a lower PCa earthquake resisting wall 5, and fastening is made using a bolt 6 and a but 7. In this manner the PCa earthquake resisting wall is in advance joined with the flanges by dividing only the upper part of the steel beam or its lower flanges in two each, and the horizontal joining work at the site take place only in the steel beam parts with the aid of joining metal pieces.

7. 发明专利

JPH06185137A STEEL BEAM JOINING STRUCTURE WITH REINFORCED CONCRETE EARTHQUAKE RESISTING WALL 失效
公开(公告)号：JPH06185137A
公开(公告)日：1994-07-05
申请号：JP33605792
申请日：1992-12-16
申请人： FUJITA CORP
发明人： MATSUBARA HIROSHI , SANPEI AKIHIKO , SASAKI HITOSHI , MATSUDO MASASHI
IPC分类号： E04B1/24 , E04B2/56 , E04B2/58 , E04H9/02
摘要： PURPOSE:To join a steel beam easily mild steel bars of a reinforced concrete earthquake resisting wall and enhance the operating easiness in welding the wall bars by introducing such a procedure that part of vertical bars of the wall are welded to a mild steel plate welded to the flange of the steel beam. CONSTITUTION:To a steel beam 1, a square mild steel plate 2 for joining vertical bars of a reinforced concrete earthquake resisting wall is welded, as stretching in the longitudinal direction of the beam, and then peripheral frames are erected. The vertical bars 3 of the wall are welded (w) to the mild steel plate 2, and concrete for the wall is placed. According to this procedure in which part of the wall is welded to the plate welded to the flange of a bar- reinforced beam, the joining works of the bar-reinforced beam with the wall bars are facilitated, and the operating easiness in welding the wall bars is enhanced, and further joining of the wall with the steel beam into a single piece suppresses slippage of the two members in between.

8. 发明专利

JPH06185135A PRECAST EARTHQUAKE RESISTING WALL OF COMPLEX STRUCTURE 失效
公开(公告)号：JPH06185135A
公开(公告)日：1994-07-05
申请号：JP33605592
申请日：1992-12-16
申请人： FUJITA CORP
发明人： MATSUBARA HIROSHI , SANPEI AKIHIKO , SASAKI HITOSHI , MATSUDO MASASHI
IPC分类号： E04B2/58 , E04B2/56 , E04H9/02 , F16F15/02
摘要： PURPOSE:To reduce generation of cracking in a reinforced concrete earthquake resisting wall in which steel members for restraining peripheral frames and ones for sharing the tensile force are embedded, by securing the steel members to columns and beams which constitute the peripheral frames. CONSTITUTION:Steel members 1 for restraining peripheral frames and ones 2 for sharing the diagonal tensile force are embedded in an earthquake resisting wall A made of reinforced concrete. The steel members 1, 2 are joined together at the intersections with the aid of metal fixtures 3 in their horizontal and plumb joint parts 4. Thereby the steel members buried in the reinforced concrete wall plate share the tensile force, while the concrete portion is free from task of sharing tensile force. Thus, the cracking in the concrete portion of the earthquake resisting wall A is reduced, and the steel members in the wall plate restrain the peripheral frames, and thereby the bearing force is increased if compared by the same wall thickness.

9. 发明专利

JPH05295792A 失效
公开(公告)号：JPH05295792A
公开(公告)日：1993-11-09
申请号：JP10302992
申请日：1992-04-22
申请人： FUJITA CORP
发明人： SASAKI HITOSHI , SANPEI AKIHIKO , MATSUDO MASASHI , MATSUBARA HIROSHI
IPC分类号： E04B1/21
摘要： PURPOSE:To provide a joining device for precast reinforced concrete pillars and beams which is excellent in workability and reasonable in construction. CONSTITUTION:Front and rear, right and left precast reinforced concrete beams 5 are mounted on the capital of a precast reinforced concrete pillar 1 in which concrete is placed down to the bottom of a beam, main reinforcement 2 and vertical sub-reinforcement 3 of the pillar are projected from the capital, and hoop reinforcement 4 is internally provided. Beam lower end reinforcements 6 are projected so as not to be overlapped, the end parts are bent up into a panel zone, and sub-hoop reinforcement 7 is arranged on the bending up part of the beam lower end reinforcement 6. A sub-hoop reinforcement 7a is arranged on the bending up parts 6b of the beam lower end reinforcement 6 of adjoining beams 5, and concrete is placed together with a slab in the front and rear panel zones.

10. 发明专利

JPH06185140A STEEL BEAM JOINING STRUCTURE WITH REINFORCED CONCRETE EARTHQUAKE RESISTING WALL 失效
公开(公告)号：JPH06185140A
公开(公告)日：1994-07-05
申请号：JP33710892
申请日：1992-12-17
申请人： FUJITA CORP
发明人： MATSUBARA HIROSHI , SANPEI AKIHIKO , SASAKI HITOSHI , MATSUDO MASASHI
IPC分类号： E04B1/24 , E04B2/56 , E04B2/58 , E04H9/02
摘要： PURPOSE:To transmit stresses certainly between a steel beam and an earthquake resisting wall of precast reinforced concrete by forming the wall with threaded mode mild-steel bars having a large diameter, inserting a protrusion provided on the wall into a through hole in the flange of the steel beam, and thereby generating fixation. CONSTITUTION:As wall bars, large diameter threaded node mild-steel bars 1 for joining with a beam and irregularly formed mild steel bars 2 are arranged in an earthquake resisting wall A of precast resinforced concrete, and the mild- steel bars 1 are protruded at the end of the wall A. A through hole 4 is provided in a flange 3 of a steel beam B having H-shaped section in its position mating with the protrusion on each large diameter threaded node mild-steel bar 1. After erecting this wall A, the steel beam B is erected, and the protrusion on the mild-steel bar 1 of the wall A is inserted in the through hole 4, and the two members are joined together using nut 6, etc., for fixation of threaded node bars. This operating cycle is repeated to complete the execution of works.

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