JPH05163734A

JPH05163734A - Junction of foundation with column with high strength bolt

Info

Publication number: JPH05163734A
Application number: JP36081391A
Authority: JP
Inventors: Tokuo Watanabe; 徳雄渡辺
Original assignee: Individual
Current assignee: Individual
Priority date: 1991-12-11
Filing date: 1991-12-11
Publication date: 1993-06-29

Abstract

PURPOSE:To firmly joint the foundation and the steel-structural base of column in a high strength force. CONSTITUTION:A high strength bolt and a raised reinforcing rod 3 are unified by an anchor bolt joint nut 1. The raised rods are arranged on the upper arrangement steel plate 5 and the lower arrangement steel plate 6 in a specified order and the form is assembled by steel bars 8, 9, 10. This rods arranged in a structure are fixed to a positioning anchor bolt 7 to set it at a specified position. Next, the structure is connected to tie beams 11 and made to be a Rahmen structure with bracing bars 12 by respective foundation rods arranged in the structure and the tie beams 11 to completely fix the position of the foundation. After arranging of rods and frame works are finished, the level of the upper arrangement steel plate is adjusted by the anchor bolt joint nut 1 and the upper arrangement steel plate is fixed by temporary fixing bolts 23. The temporary bolts are removed on erecting the steel structure and the column is set at a specified position. The base plate 4 is temporarily fixed by high strength bolts 2. After the erection of steel structure is corrected, the high strength bolts 2 are fastened finally to complete the junction of the foundation with the base of column.

Description

【発明の詳細な説明】Detailed Description of the Invention

【０００１】[0001]

【産業上の利用分野】本発明は鉄筋コンクリート造基
礎に鉄骨造柱を露出固定する場合の接合工法である。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a joining method for exposing and fixing a steel frame column to a reinforced concrete foundation.

【０００２】[0002]

【従来の枝術】従来の基礎構造は立ち上り筋とアンカ
ーボルトが個別に配列されているため、根巻径が大きく
なり、地中梁の配筋が難しく、アンカーボルトの位置が
安定しなかった。叉基礎の立ち上り筋と地中梁の主筋が
固定されないため、基礎自体の位置精度が定まらなかっ
た。[Conventional branch surgery] In the conventional foundation structure, since the standing muscles and the anchor bolts are individually arranged, the root winding diameter becomes large, and the reinforcement of the underground beam is difficult, and the position of the anchor bolts is not stable. . The position accuracy of the foundation itself could not be determined because the standing reinforcement of the fork foundation and the main reinforcement of the underground beam were not fixed.

【０００３】[0003]

【発明が解決しようとする課題】鋼構造の基礎施工に
おいて、基礎の根巻径を小さくし、地中梁の配筋を容易
にし、鉄骨造柱脚を経済的で高強度で精度よく基礎に露
出固定させる。[Problems to be Solved by the Invention] When constructing a steel structure foundation, the diameter of the foundation winding is made small, the reinforcement of the underground beam is facilitated, and the steel frame column base is made economical, high strength and accurate foundation. Fix exposed.

【０００４】[0004]

【課題を解決するための手段】（１）のアンカーボル
ト繼手ナットにより（２）の高力ボルトと（３）の立ち
上り筋を接続することで、両者を一体化し根巻部の配筋
をシンプルにした、叉（１）のアンカーボルト繼手ナッ
トを回転させ（５）の上部配列鋼鈑を上下に移動し基礎
のレベルを調節出きる用にした、（２）の高力ボルトは
トルシヤボルトとし（４）のベースプレートを一定の張
力にて摩擦接合し、上部構造と基礎との固定度を高める
ようにした。叉水平方向の位置の安定は（７）の位置決
めアンカーにて（６）の下部配列鋼鈑を固定し、（８）
から（１２）の鉄骨バーにて（３）の立ち上り筋を固定
架構することにより達成した。[Means for Solving the Problem] By connecting the high-strength bolt of (2) and the rising muscle of (3) with the anchor bolt of the (1) and the cauldron nut, both are integrated and the reinforcement of the root winding portion is formed. The simpler fork bolt bolt nut (1) was rotated to move the upper arrangement steel plate of (5) up and down to adjust the level of the foundation, and the high strength bolt of (2) was a torque bolt. The base plate of (4) was friction-bonded with a constant tension to increase the degree of fixation between the upper structure and the foundation. For stability of the horizontal position, fix the lower array steel plate of (6) with the positioning anchor of (7), and (8)
It was achieved by fixing the standing muscle of (3) with the steel bar of (12) to (12).

【０００５】[0005]

【作用】柱脚ベースを固定するボルトが高力ボルト
なので従来のアンカーボルトに較べて径が細くなる、そ
れに連れてベースプレートの径も小さく板厚も薄くな
り、従って基礎の根巻径も小さくなる。上部構造の応力
が（１）のアンカーボルト繼手ナットを介して直接
（３）の立ち上り筋に伝達し、基礎コンクリートには局
部的な大きな圧縮力が作用しなくなる。（３）の立ち上
り筋は（８）から（１２）の鉄骨バーや（２４）の仮設
ブレース等により所定の位置に正確に架設できる。[Operation] Since the bolt that fixes the column base is a high-strength bolt, the diameter is smaller than that of the conventional anchor bolt, and accordingly, the diameter of the base plate is also small and the plate thickness is thin, and thus the diameter of the foundation winding is also small. . The stress of the superstructure is directly transmitted to the rising muscle of (3) through the anchor bolt cauldron nut of (1), and the local large compressive force does not act on the foundation concrete. The rising streak of (3) can be accurately erected at a predetermined position by the steel frame bar of (8) to (12), the temporary brace of (24), or the like.

【０００６】[0006]

【発明の効果】本発明により、ベースプレートの重量
が減る、立ち上り筋とアンカーボルトが一体化され鉄筋
量が減り、根巻コンクリート量も減る。叉立ち上り筋が
正確に架設され、レベルの調整も出きるので。柱脚の位
置精度が良くなる。叉グラウト注入のような後遣り作業
がなくなる。According to the present invention, the weight of the base plate is reduced, the rising bar and the anchor bolt are integrated, the amount of the reinforcing bar is reduced, and the amount of the wrapping concrete is also reduced. The fore muscles are erected correctly and the level can be adjusted. The position accuracy of the column base is improved. There is no need for post-processing such as grout injection.

【図面の簡単な説明】[Brief description of drawings]

【図１】柱脚及び基礎平面図[Figure 1] Column base and basic plan view

【図２】図１のＡ−Ａ’断面図FIG. 2 is a sectional view taken along the line A-A ′ in FIG.

【図３】基礎骨組平面図[Fig. 3] Plan view of basic frame

【図４】図２のＢ−Ｂ’断面図4 is a sectional view taken along line B-B ′ of FIG.

【符号の説明】[Explanation of symbols]

１アンカーボルト繼手ナット２高力ボルト３立ち上り筋４ベースプレート５上部配列鋼鈑６下部配列鋼鈑７位置決めアンカーボルト８立ち上り筋の上部を接合する鉄骨バー９立ち上り筋の下部を接合する鉄骨バー１０骨組筋違いの役割を果たす鉄骨バー１１繋ぎ梁１２方杖の役割を果たす鉄骨バー１３柱１４根巻１５地中梁１６地業１７捨てコンクリート１８ベース筋１９フープ２０地中梁主筋２１スタラップ２２腹筋２３仮止めボルト２４仮設ブレース 1 Anchor bolt cauldron nut 2 High-strength bolt 3 Standing streak 4 Base plate 5 Upper arrangement steel plate 6 Lower arrangement steel plate 7 Positioning anchor bolt 8 Steel bar that joins the upper part of the rising muscle 9 Steel bar 10 that joins the lower part of the rising muscle Steel bar that plays a role of skeleton bracing 11 Connecting beam 12 Steel bar that plays a role of cane 13 Pillars 14 Nemaki 15 Underground girder 16 Geotechnical 17 Discarded concrete 18 Base muscle 19 Hoop 20 Underground girder main bar 21 Sturup 22 Abdominal muscle 23 Temporary fixing bolt 24 Temporary brace

Claims

【特許請求の範囲】[Claims]

【請求項１】（１）のアンカーボルト繼手ナットによ
り基礎の立ち上り筋と柱のベースを固定する高力ボルト
を接合し、両者を一体化したアンカーボルト。1. An anchor bolt in which a high-strength bolt for fixing a stand-up muscle of a foundation and a base of a column is joined by an anchor bolt cauldron nut of (1), and both are integrated.

【請求項２】（３）の基礎の立ち上り筋を（８）から
（１２）の鉄骨バーにより固定し、ラーメン構造化した
基礎骨組み工法。2. A foundation frame construction method in which the rising muscle of the foundation of (3) is fixed by the steel bar of (8) to (12) to form a rigid frame structure.