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1. 发明专利

JPH1025801A STEEL COLUMN BASE ANCHORING STRUCTURE 失效
公开(公告)号：JPH1025801A
公开(公告)日：1998-01-27
申请号：JP18019796
申请日：1996-07-10
申请人： HITACHI METALS LTD , HITACHI KIZAI KK , KAJIMA CORP , ARTES KK
发明人： KITANO TAKASHI , HIRAKAWA SHIGERU , TANAKA HIDENORI , NOGUCHI KAZUYUKI , SATO KUNIAKI
IPC分类号： E04B1/08
摘要： PROBLEM TO BE SOLVED: To increase shearing yield strength of a steel column base, prevent looseness of an anchor bolt and install the steel column base easily by filling grout into a clearance between the anchor bolt and a bolt hole from a grout filling hole having an opening at the side face of a column base hardware and communicated with the bolt hole. SOLUTION: A steel column base with a column base hardware 11 integrally jointed to the lower end part of a steel column is placed on foundation concrete 9. The upper end part of an anchor bolt 17 embedded in the foundation concrete 9 is inserted through a bolt hole 21 provided in the column base hardware 11, and fixed by a nut 16. A grout filling hole 22 communicated with the hole 21 is provided having an opening 23 at the side face of the column base hardware 11. Grout is filled from the grout filling hole 22 into a clearance between the anchor bolt 17 and the bolt hole 22. Part of the filled grout infiltrates into the nut 16 from a washer 15 and spurts out from the upper part of the nut 16, so that filling can be confirmed, and the anchor bolt 17 and the column base hardware 11 can be integrated.

2. 发明专利

JPH1037466A ANCHOR BOLT BEARING FRAME BODY ASSEMBLY UNIT 失效
公开(公告)号：JPH1037466A
公开(公告)日：1998-02-10
申请号：JP21311296
申请日：1996-07-24
申请人： HITACHI KIZAI KK , HITACHI METALS LTD , KAJIMA CORP , ARTES KK
发明人： NOGUCHI KAZUYUKI , MATSUKI ISAO , KITANO TAKASHI , HIRAKAWA SHIGERU , SATO KUNIAKI
IPC分类号： E02D5/80 , E04B1/16 , E04G21/12
摘要： PROBLEM TO BE SOLVED: To lighten a burden on work or to reduce a construction period of time by incorporating a U-shaped unchor bolt in an anchor bolt bearing frame body assembly unit unifying the same size of several kinds. SOLUTION: An anchor bolt bearing frame body assembly unit is equipped with an anchor bolt 1 forming a male screw section 1a formed in a U-shape, a template 2 forming a plurality of through-holes for positioning in the horizontal direction of the anchor bolt 1, up and down nuts 4 and 5 screwing into the male screw section of the anchor bolt 1 and clamping the template 2 by holding it between them and a template bearing frame body 15 bearing the anchor bolt 1 through the template 2. Thereby, the U-shaped anchor bolt 1 can be incorporated into the anchor bolt bearing frame body assembly unit unifying the same size, and for that purpose, the whole anchor bolt bearing frame body with different height is not required to remake each time, decrease of a burden on work or reduction of a construction period can be made.

3. 发明专利

JPH1025797A FIXING STRUCTURE OF STEEL-FRAMED COLUMN BASE 失效
公开(公告)号：JPH1025797A
公开(公告)日：1998-01-27
申请号：JP18019396
申请日：1996-07-10
申请人： HITACHI METALS LTD , HITACHI KIZAI KK , KAJIMA CORP , ARTES KK
发明人： KITANO TAKASHI , HIRAKAWA SHIGERU , TANAKA HIDENORI , NOGUCHI KAZUYUKI , SATO KUNIAKI
IPC分类号： E04B1/08
摘要： PROBLEM TO BE SOLVED: To improve workability by forming a U-shaped anchor bolt buried into a foundation of deformed bar steel and specifying the inside diameter of a bolthole for a column-base fitting. SOLUTION: A U-shaped anchor bolt 17 consisting of a screw-knotted reinforcement, etc., is crossed in a plan view, and buried into foundation concrete 9. Bolts 17 are inserted into the boltholes of a column-base fitting 11 for the steel-framed column base 13 and fixed by nuts, etc., a grout material is injected into the boltholes from grooves 22 and the fitting 11 and the bolts 17 are unified, and made to resist horizontal force. When bending moment MH works to the column base 13 and tensile force QF works to the bolts 17, and the bolts 17 resist by the adhesion of upright sections and the resistance force of concrete 9 in a bent bottom section. Di=(1.2-1.5)D holds to the outside diameter D of the bolt 17 in the inside diameter Di of the bolthole of the fitting 11, and the bolt 17 can be inserted easily into the bolthole even when size between the cores of the bolts 17 is changed with time. Accordingly, the fixing performance of the column base 13 can be improved, and the fixing structure can be executed readily.

4. 发明专利

JPH1025746A FIXING STRUCTURE OF STEEL-FRAMED COLUMN BASE 失效
公开(公告)号：JPH1025746A
公开(公告)日：1998-01-27
申请号：JP18020196
申请日：1996-07-10
申请人： HITACHI METALS LTD , HITACHI KIZAI KK , KAJIMA CORP , ARTES KK
发明人： KITANO TAKASHI , HIRAKAWA SHIGERU , TANAKA HIDENORI , NOGUCHI KAZUYUKI , SATO KUNIAKI
IPC分类号： E02D27/00 , E04B1/24
摘要： PROBLEM TO BE SOLVED: To increase the yield strength of an anchor bolt by forming the main body section of the anchor bolt buried into foundation concrete of deformed bar steel and joining a male screw member consisting of a steel material at the upper end section of the main body section by friction welding. SOLUTION: A male screw member 17b is joined integrally at the upper end section of a main body section 17a by friction welding, and an anchor bolt 17, which is composed of deformed bar steel such as a bamboo joint reinforcement and in which a projection shape onto a vertical surface is formed in a U shape, is formed. The anchor bolt 17 is buried into foundation concrete 9. The male screw member 17b of the anchor bolt 17 is inserted into the bolthole 21 of a column-base fitting 11 joined with a steel-framed column while grout is injected into the bolthole 21 and the bolthole 21 is filled with grout, and the column-base fitting 11 is clamped and fixed by a washer 15 and a nut 16. Accordingly, when bending moment works to the steel-framed column base and tensile force QF works to the anchor bolt 17, the steel-framed coin base can be fixed against tensile force QF by adhesion with the foundation concrete 9.

5. 发明专利

JPH1037204A U-SHAPED ANCHOR BOLT AND METHOD FOR CORRECTING DEFORMATION THEREOF 失效
公开(公告)号：JPH1037204A
公开(公告)日：1998-02-10
申请号：JP21319796
申请日：1996-07-23
申请人： HITACHI KIZAI KK , HITACHI METALS LTD , KAJIMA CORP
发明人： MATSUKI ISAO , NOGUCHI KAZUYUKI , KITANO TAKASHI , HIRAKAWA SHIGERU , SATO KUNIAKI
IPC分类号： E02D27/00
摘要： PROBLEM TO BE SOLVED: To provide an anchor bolt and a method for correcting the deformation thereof in which the workability can be improved by making it easier to set the anchor bolt on a template. SOLUTION: The U-shaped anchor bolt includes a U-shaped bolt body 2 having left and right axial portions 2b, 2b which extend from both ends of a bottom portion 2a so as to be bent upwardly and in which a screw thread is formed on the outer periphery of each of the portions 2b, 2b and a steel band 3 which is mounted to both the axial portions 2b, 2b to connect both the portions so that the interval between the portions can be adjusted to a predetermined dimension. In this case, since the interval between the axial portions can be kept by the band 3 at a dimension specified at the time of fabrication, when the U-shaped anchor bolt 1 is set on a template 4 at a construction site, the portions 2b, 25 can be easily inserted into mount holes of the template 4.

6. 发明专利

JPH1025807A COLUMN BASE STRUCTURE 失效
公开(公告)号：JPH1025807A
公开(公告)日：1998-01-27
申请号：JP18020496
申请日：1996-07-10
申请人： HITACHI METALS LTD , HITACHI KIZAI KK , KAJIMA CORP
发明人： MATSUO HIDENARI , ITO MICHIO , TANAKA HIDENORI , NOGUCHI KAZUYUKI , SATO KUNIAKI
IPC分类号： E04B1/24
摘要： PROBLEM TO BE SOLVED: To prevent the generation of cleavage to mortar and attain miniaturization by providing a reinforcing frame formed of steel material, at the peripheral edge part of mortar at the time of anchoring a steel column base with a column base hardware jointed to the lower end part of a steel column, onto foundation concrete through an anchor bolt, interposing mortar at the upper end face of the foundation concrete. SOLUTION: A steel column base 6 with a column base hardware 4 jointed to the lower end part of a steel column 5 is anchored onto foundation concrete 9 through an anchor bolt 1 embedded in the foundation concrete and a nut 9 screwed with the upper end part of the anchor bolt 1, interposing mortar at the upper end face of the foundation concrete 2. In this case, a reinforcing frame 11 formed of steel material is provided at the peripheral edge part of mortar 7. The reinforcing frame 11 is formed of a band steel plate of 6-9mm in thickness, for instance, jointed in endless shape, and installed on the foundation concrete 2 before the installation of the steel column base 6 so as to serve as a form at the time of filling mortar 7. A space W can thereby be made small, and column base structure can be miniaturized.

7. 发明专利

JPH1025745A FIXING STRUCTURE OF STEEL-FRAMED COLUMN BASE 失效
公开(公告)号：JPH1025745A
公开(公告)日：1998-01-27
申请号：JP18019996
申请日：1996-07-10
申请人： HITACHI METALS LTD , HITACHI KIZAI KK , KAJIMA CORP
发明人： KITANO TAKASHI , HIRAKAWA SHIGERU , TANAKA HIDENORI , NOGUCHI KAZUYUKI , SATO KUNIAKI
IPC分类号： E02D27/00 , E04B1/24
摘要： PROBLEM TO BE SOLVED: To improve performance by forming an anchor bolt buried into foundation concrete of deformed bar steel while being formed in an arcuate shape having a specific inside radius. SOLUTION: An anchor bolt 17 is formed of deformed bar steel such as a screw knotted reinforcement while a projection shape onto a vertical surface is formed in a U shape consisting of upright sections and a horizontal section. The connecting sections of the upright sections and the horizontal section are formed in an arcuate shape having an inside radius of (1.5-5)D mm, wherein D represents the given name of the deformed bar steel. A column-base fitting 11 is joined integrally at the lower end section of a steel-framed column 12 by welding, and a steel-framed column base 13 is formed. The anchor bolt 17 is buried into foundation concrete 9. The upper end sections of the anchor bolt 17 are inserted into the boltholes of the column-base fitting 11, and the column-base fitting 11 is clamped and fixed by washers 15 and nuts 16.

8. 发明专利

JPH1025808A STEEL COLUMN BASE ANCHORING STRUCTURE 失效
公开(公告)号：JPH1025808A
公开(公告)日：1998-01-27
申请号：JP18019296
申请日：1996-07-10
申请人： HITACHI METALS LTD , HITACHI KIZAI KK , KAJIMA CORP
发明人： KITANO TAKASHI , HIRAKAWA SHIGERU , TANAKA HIDENORI , NOGUCHI KAZUYUKI , SATO KUNIAKI
IPC分类号： E02D27/00 , E04B1/24
摘要： PROBLEM TO BE SOLVED: To increase adhesion of an anchor bolt to foundation concrete and attain miniaturization by specifying the horizontal thickness and height dimensions of a base part of a protruding part of a column base hardware provided with the protruding part with a plane outline corresponding to the lower end part end face outline of a steel column, and a bottom plate part formed into a plate shape. SOLUTION: A steel column base 13 with a column base hardware 11 integrally jointed to the lower end of a steel column 12 is placed on foundation concrete and anchored onto the foundation concrete through an anchor bolt embedded in the foundation concrete, and a nut. The column base hardware 11 provided with a protruding part 11a with a plane outline corresponding to the lower end part end face outline of the steel column 12, and a bottom plate part 11b formed in plate shape is formed by casting or forging. The horizontal thickness dimension t2 of the protruding part 11a is made larger than the horizontal thickness dimension t1 of a tip part, and the height dimension (h) of the protruding part 11a is to be half or more of the wall thickness dimension of the jointed steel column 12 and 25mm or less.

9. 发明专利

JPH1025800A COLUMN BASE HARDWARE 失效
公开(公告)号：JPH1025800A
公开(公告)日：1998-01-27
申请号：JP18019696
申请日：1996-07-10
申请人： HITACHI METALS LTD , HITACHI KIZAI KK , KAJIMA CORP
发明人： KITANO TAKASHI , HIRAKAWA SHIGERU , TANAKA HIDENORI , NOGUCHI KAZUYUKI , SATO KUNIAKI
IPC分类号： E04B1/08
摘要： PROBLEM TO BE SOLVED: To provide hardware capable of securing bending strength to a satisfactory extent and reducing weight. SOLUTION: Column base hardware forms integrally a projection having a plane profile equivalent to the outline of an end face on the lower end of a steel post and a base plate having a plurality of other bolt insertion holes anchored with foundation concrete. In the case when the inside dimension of the projection is specified to be L1 , the thickness dimension of the base plate in the border with the projection is represented by 3×10 L1 +0.1L1 +9 L2 +0.06L2 -5 L2 +0.07L2 +3 (but it is represented in L1 , t2

10. 发明专利

JPH1025744A FIXING STRUCTURE OF STEEL-FRAMED COLUMN BASE 失效
公开(公告)号：JPH1025744A
公开(公告)日：1998-01-27
申请号：JP18019896
申请日：1996-07-10
申请人： HITACHI METALS LTD , HITACHI KIZAI KK , KAJIMA CORP
发明人： KITANO TAKASHI , HIRAKAWA SHIGERU , TANAKA HIDENORI , NOGUCHI KAZUYUKI , SATO KUNIAKI
IPC分类号： E02D27/00 , E04B1/24
摘要： PROBLEM TO BE SOLVED: To increase adhesion onto foundation concrete of an anchor bolt by forming the anchor bolt buried into the foundation concrete of deformed bar steel having stress at a specified yield point. SOLUTION: An anchor bolt 17 is formed of deformed bar steel such as a screw-knotted reinforcement having stress of 4t/cm or more at a yield point while a projection shape to a vertical surface is formed in a U shape. A column- base fitting 11 is joined integrally with a steel-framed column 12 by welding, and a steel-framed column base 13 is formed. The anchor bolt 17 is borne to a support member 4 by nuts 6. The anchor bolt 17 is buried into the foundation concrete 9. The upper end sections of the anchor bolt 17 are inserted into the boltholes of the column-base fitting 11 while being clamped and fixed to the column-base fitting 11 by washers 15 and nuts 16 through nonshrink mortar 14.

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