JP2891107B2 - SRC column base anchoring structure - Google Patents
SRC column base anchoring structureInfo
- Publication number
- JP2891107B2 JP2891107B2 JP14747694A JP14747694A JP2891107B2 JP 2891107 B2 JP2891107 B2 JP 2891107B2 JP 14747694 A JP14747694 A JP 14747694A JP 14747694 A JP14747694 A JP 14747694A JP 2891107 B2 JP2891107 B2 JP 2891107B2
- Authority
- JP
- Japan
- Prior art keywords
- screw
- column
- fixing device
- view
- filling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Landscapes
- Joining Of Building Structures In Genera (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、高層建造物や大スパン
構造物に用いられているＳＲＣ造柱の柱脚の定着構造に
関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a fixing structure for a column base of an SRC column used for a high-rise building or a large span structure.
【０００２】[0002]
【従来の技術】ＳＲＣ造柱を基礎梁へ定着するために、
図３に示すように、柱鉄骨を定着するアンカーボルトと
柱主筋定着筋とを基礎梁に埋設するのが一般的である。2. Description of the Related Art In order to fix an SRC column to a foundation beam,
As shown in FIG. 3, it is common to embed anchor bolts for anchoring a column steel frame and pillar main anchoring bars in a foundation beam.
【０００３】[0003]
【発明が解決しようとする課題】従って、基礎梁の配筋
としては基礎梁自体の補強筋の配筋の他にアンカーボル
トの配筋、柱主筋定着部の配筋が加わり、配筋が輻輳
し、その作業に多大の時間と労力を必要とする。Accordingly, the reinforcement of the foundation beam is reinforced by the reinforcement of the foundation beam itself, the reinforcement of the anchor bolts, and the reinforcement of the column main reinforcement. And the work requires a great deal of time and effort.
【０００４】[0004]
【課題を解決するための手段】本発明は、充填式ネジ定
着具を利用してネジ鉄筋を柱主筋定着部兼アンカーボル
トとして基礎梁に配筋することことにより、従来それぞ
れ別個に配筋していたアンカーボルトの配筋と柱主筋定
着部の配筋とを一本化して輻輳していた配筋を簡素化し
て配筋作業の効率化を図ることを目的とするものであ
る。SUMMARY OF THE INVENTION According to the present invention, a reinforcing bar is provided on a foundation beam as a column main bar fixing portion and an anchor bolt by using a filling type screw fixing device. It is an object of the present invention to unify the arrangement of the anchor bolts and the arrangement of the main column anchoring portions to simplify the arrangement of the congested reinforcements and to improve the efficiency of the arrangement work.
【０００５】即ち、本発明は、下端に閉鎖型充填式ネジ
定着具を固定したネジ鉄筋を柱主筋定着部兼アンカーボ
ルトとして基礎梁に埋設し、該ネジ鉄筋の上方突出部分
を鉄骨柱のベースプレートに穿孔された孔に挿通して該
ネジ鉄筋の中間部を貫通型充填式ネジ定着具により該ベ
ースプレートに固定することを特徴とするＳＲＣ造柱脚
の定着構造である。That is, according to the present invention, a screw rebar having a closed-type filling screw fixing device fixed at the lower end is buried in a foundation beam as a column main bar fixing portion and an anchor bolt, and an upwardly protruding portion of the screw rebar is formed on a base plate of a steel column. A fixing structure for an SRC column base, wherein an intermediate portion of the screw reinforcing bar is inserted into a hole formed in the base plate and fixed to the base plate by a through-type filling type screw fixing tool.
【０００６】[0006]
【実施例】以下本発明の実施例を示す図面を参照しなが
ら本発明を説明する。DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the drawings showing embodiments of the present invention.
【０００７】図１は本発明に使用される充填式ネジ定着
具の例を示すもので、（ａ）〜（ｄ）は閉鎖型充填式ネ
ジ定着具を（ｅ）〜（ｇ）は貫通型充填式ネジ定着具を
示す。（図１には説明のため充填式ネジ定着具を取りつ
けるネジ鉄筋も併せて図示してある。）（ａ）は側面
図、（ｂ）は平面図、（ｃ）は底面図、（ｄ）は縦断面
図、（ｅ）は側面図、（ｆ）は平面図、（ｇ）は縦断面
図である。FIG. 1 shows an example of a filling screw fixing device used in the present invention, wherein (a) to (d) show closed filling screw fixing devices, and (e) to (g) show penetration type fixing devices. 3 shows a filling screw fixing device. (For the sake of explanation, FIG. 1 also shows a screw rebar for mounting a filling screw fixing device.) (A) is a side view, (b) is a plan view, (c) is a bottom view, and (d). Is a longitudinal sectional view, (e) is a side view, (f) is a plan view, and (g) is a longitudinal sectional view.
【０００８】充填式ネジ定着具１Ａ、１Ｂは内面にネジ
鉄筋２と螺合するネジ山の切られた円筒部とその１端に
鍔を持つナット状の金物で、底面もしくは側面にグラウ
ト材注入孔３を持つ。The filling type screw fixing devices 1A and 1B are nut-shaped metal parts having a threaded cylindrical portion which is screwed into the screw rebar 2 on the inner surface and a flange at one end thereof, and a grout material is injected into the bottom surface or the side surface. It has a hole 3.
【０００９】閉鎖型充填式ネジ定着具１Ａはネジ鉄筋２
の端部に取りつけられるもので１端の鍔の部分で内面が
閉鎖されている。図示した例では閉鎖型充填式ネジ定着
具１Ａのグラウト材注入孔３は底面に穿孔されている
が、側面に穿孔してもよい。この閉鎖型充填式ネジ定着
具１Ａはネジ鉄筋２の端部に螺合した後、グラウト材注
入孔３よりグラウト材を充填しグラウト材の固化によっ
てネジ鉄筋２に固定される。[0009] The closed-type filling screw fixing device 1A is a screw rebar 2
The inner surface is closed at a flange portion at one end. In the illustrated example, the grout material injection hole 3 of the closed-type filling screw fixing device 1A is perforated on the bottom surface, but may be perforated on the side surface. After screwing to the end of the screw rebar 2, the closed filling screw fixing device 1 </ b> A is filled with the grout material from the grout material injection hole 3 and fixed to the screw rebar 2 by solidifying the grout material.
【００１０】貫通型充填式ネジ定着具１Ｂは通常はネジ
鉄筋２の中間部に取りつけられるものでネジ山の切られ
た内面が貫通している。この貫通型充填式ネジ定着具１
Ｂはネジ鉄筋２の端部よりはめて滑動もしくは螺動によ
りネジ鉄筋２の所定の位置に移動した後、グラウト材注
入孔３よりグラウト材を充填しグラウト材の固化によっ
てネジ鉄筋２に固定される。[0010] The penetration type filling screw fixing device 1B is usually attached to the intermediate portion of the screw rebar 2, and has a threaded inner surface penetrating therethrough. This penetration type screw fixing device 1
B is inserted from the end of the screw rebar 2 and moved to a predetermined position of the screw rebar 2 by sliding or screwing, and then filled with grout through the grout injection hole 3 and fixed to the screw rebar 2 by solidification of the grout. You.
【００１１】図２は本発明の定着構造の一例を示し、
（ａ）は柱の横断面図、（ｂ）は（ａ）のＡ−Ａ断面図
である。FIG. 2 shows an example of the fixing structure of the present invention.
(A) is a cross-sectional view of a pillar, and (b) is an A-A cross-sectional view of (a).
【００１２】図２を参照しながら本発明の定着構造なら
びの施工手順について説明する。Referring to FIG. 2, a description will be given of a fixing structure and a construction procedure of the present invention.
【００１３】（１）下端に閉鎖型充填式ネジ定着具１Ａ
を固定したネジ鉄筋２を所定本数、下段基礎梁７Ａの補
強筋（図示せず）とともに所定位置に配筋して下段基礎
梁７Ａを構築する。(1) Closed filling screw fixing device 1A at lower end
A predetermined number of screw rebars 2 are fixed together with reinforcing bars (not shown) of the lower foundation beam 7A at predetermined positions to construct the lower foundation beam 7A.
【００１４】（２）必要に応じて下段基礎梁７Ａの表面
に敷モルタルを打設した後、下段基礎梁７Ａの上方に突
出しているネジ鉄筋２にベースプレート８に穿孔された
孔を合わせながら柱鉄骨５を建て込む。(2) If necessary, after laying a mortar on the surface of the lower foundation beam 7A, the column is formed while aligning the hole drilled in the base plate 8 with the screw reinforcing bar 2 projecting above the lower foundation beam 7A. A steel frame 5 is built.
【００１５】（３）ネジ鉄筋２の上端より貫通型充填式
ネジ定着具１Ｂを落とし込み、柱鉄骨５のレベルおよび
傾きを調整しながら貫通型充填式ネジ定着具１Ｂをベー
スプレート８上面位置のネジ鉄筋２に仮固定し、グラウ
ト材注入孔３よりグラウト材を充填して本固定する。(3) The penetration type filling screw fixing device 1B is dropped from the upper end of the screw reinforcing bar 2 and the penetration type filling type screw fixing device 1B is adjusted while adjusting the level and the inclination of the column steel frame 5. 2 and the grout material is filled from the grout material injection hole 3 and permanently fixed.
【００１６】（４）上方に突出しているネジ鉄筋２周辺
のフープ筋４や上段基礎梁７Ｂの補強筋を配筋しコンク
リートを打設して上段基礎梁７Ｂを構築して、柱鉄骨５
ならびに柱主筋６が基礎梁７Ａ、７Ｂに定着される。(4) The hoop reinforcing bar 4 around the screw reinforcing bar 2 protruding upward and the reinforcing bar for the upper foundation beam 7B are arranged, concrete is cast, and the upper foundation beam 7B is constructed.
In addition, the column main reinforcement 6 is fixed to the foundation beams 7A and 7B.
【００１７】本発明の定着構造においては基礎梁７Ａ、
７Ｂに埋設されているネジ鉄筋２が柱主筋６の定着部で
あり、ネジ鉄筋２のベースプレート８より下の部分が柱
鉄骨５のアンカーボルトであると考えることができ、こ
のアンカーボルト部分は柱鉄骨５の定着ならびに柱主筋
６の定着の両機能を同時に果たすことになる。In the fixing structure of the present invention, the foundation beams 7A,
The screw reinforcing bar 2 buried in 7B is a fixing portion of the column main reinforcing bar 6, and a portion of the screw reinforcing bar 2 below the base plate 8 can be considered as an anchor bolt of the column steel frame 5, and this anchor bolt portion is a column. Both the function of fixing the steel frame 5 and the function of fixing the column main bar 6 are simultaneously performed.
【００１８】従って、ネジ鉄筋２の材質、アンカーボル
ト部分の長さなどを考慮さえすれば、従来それぞれ別個
に設けていたアンカーボルトと柱主筋定着部とを一体化
してもＳＲＣ造柱の定着機能に何ら悪影響を及ぼすこと
はない。Accordingly, if the material of the screw reinforcing bar 2 and the length of the anchor bolt portion are taken into consideration, the anchoring function of the SRC column can be achieved even if the anchor bolt and the column main bar fixing portion, which are conventionally separately provided, are integrated. Has no adverse effect on
【００１９】[0019]
【発明の効果】充填式ネジ定着具を利用することにより
一本のネジ鉄筋が柱主筋定着部とアンカーボルトとを兼
ねることが可能となるので、輻輳していた配筋が簡素化
され配筋作業が効率化する。According to the present invention, the use of the filling type screw fixing device makes it possible for one screw reinforcing bar to serve both as a column main bar fixing portion and an anchor bolt. Work becomes more efficient.
【図１】本発明に使用される充填式ネジ定着具の例を示
すもので、（ａ）〜（ｄ）は閉鎖型充填式ネジ定着具を
（ｅ）〜（ｇ）は貫通型充填式ネジ定着具を示す。
（ａ）は側面図、（ｂ）は平面図、（ｃ）は底面図、
（ｄ）は縦断面図、（ｅ）は側面図、（ｆ）は平面図、
（ｇ）は縦断面図である。FIG. 1 shows an example of a filling type screw fixing device used in the present invention, wherein (a) to (d) show closed type filling type screw fixing devices and (e) to (g) show through type filling type fixing devices. 3 shows a screw fixing device.
(A) is a side view, (b) is a plan view, (c) is a bottom view,
(D) is a longitudinal sectional view, (e) is a side view, (f) is a plan view,
(G) is a longitudinal sectional view.
【図２】本発明の定着構造の一例を示し、（ａ）は柱の
横断面図、（ｂ）は（ａ）のＡ−Ａ断面図である。FIGS. 2A and 2B show an example of a fixing structure according to the present invention, wherein FIG. 2A is a cross-sectional view of a pillar, and FIG.
【図３】従来の定着構造の一例を示し、（ａ）は柱の横
断面図、（ｂ）は柱の縦断面図断面図である。3A and 3B show an example of a conventional fixing structure, in which FIG. 3A is a cross-sectional view of a column, and FIG. 3B is a vertical cross-sectional view of the column.
１Ａ・・閉鎖型充填式ネジ定着具、１Ｂ・・貫通型充填
式ネジ定着具、２・・ネジ鉄筋、３・・グラウト材注入
孔、４・・フープ筋、５・・柱鉄骨、６・・柱主筋、７
Ａ・・下段基礎梁、７Ｂ・・上段基礎梁、８・・ベース
プレート、９・・機械式グラウト継手、１０・・アンカ
ーボルト、１１・・柱主筋定着筋。1A ··· Closed filling screw fixing device, 1B · · · Penetration filling screw fixing device, 2 · · · screw reinforcing bar, 3 · · · grout material injection hole, 4 · · · hoop bar, 5 · · · steel column, 6 ·・ Pillar bars, 7
A: Lower foundation beam, 7B: Upper foundation beam, 8: Base plate, 9: Mechanical grout joint, 10: Anchor bolt, 11: Main bar anchoring bar.
Claims (1)
たネジ鉄筋を柱主筋定着部兼アンカーボルトとして基礎
梁に埋設し、該ネジ鉄筋の上方突出部分を鉄骨柱のベー
スプレートに穿孔された孔に挿通して該ネジ鉄筋の中間
部を貫通型充填式ネジ定着具により該ベースプレートに
固定することを特徴とするＳＲＣ造柱脚の定着構造。1. A screw rebar having a closed filling screw fixing device fixed at a lower end thereof is embedded in a foundation beam as a column main bar fixing portion and an anchor bolt, and an upwardly projecting portion of the screw rebar is perforated in a base plate of a steel frame column. A fixing structure for an SRC column base, wherein the fixing portion is inserted into a hole and an intermediate portion of the screw reinforcing bar is fixed to the base plate by a through-type filling screw fixing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14747694A JP2891107B2 (en) | 1994-06-29 | 1994-06-29 | SRC column base anchoring structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14747694A JP2891107B2 (en) | 1994-06-29 | 1994-06-29 | SRC column base anchoring structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0813609A JPH0813609A (en) | 1996-01-16 |
| JP2891107B2 true JP2891107B2 (en) | 1999-05-17 |
Family
ID=15431258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14747694A Expired - Lifetime JP2891107B2 (en) | 1994-06-29 | 1994-06-29 | SRC column base anchoring structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2891107B2 (en) |
-
1994
- 1994-06-29 JP JP14747694A patent/JP2891107B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0813609A (en) | 1996-01-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 19990126 |