JPH0232417B2 - - Google Patents
Info
- Publication number
- JPH0232417B2 JPH0232417B2 JP58066210A JP6621083A JPH0232417B2 JP H0232417 B2 JPH0232417 B2 JP H0232417B2 JP 58066210 A JP58066210 A JP 58066210A JP 6621083 A JP6621083 A JP 6621083A JP H0232417 B2 JPH0232417 B2 JP H0232417B2
- Authority
- JP
- Japan
- Prior art keywords
- steel column
- steel
- foundation
- concrete
- base plate
- 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
- 229910000831 Steel Inorganic materials 0.000 claims description 30
- 239000010959 steel Substances 0.000 claims description 30
- 238000009415 formwork Methods 0.000 claims description 8
- 239000011440 grout Substances 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 4
- 239000004567 concrete Substances 0.000 description 11
- 238000010276 construction Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000005520 cutting process Methods 0.000 description 3
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 239000011444 non-shrink grout Substances 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Foundations (AREA)
- Joining Of Building Structures In Genera (AREA)
Description
【発明の詳細な説明】
本発明は、鉄骨建物の鉄骨柱を地中梁に固定す
る工法に関するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a construction method for fixing steel columns of a steel frame building to underground beams.
従来、この種の工法としては第１図に示すよう
に、鉄骨柱１の下端面に設けたベースプレート７
を、地中梁５の基礎２に植設したアンカーボルト
３で締着固定する工法がある。 Conventionally, as shown in FIG.
There is a method of tightening and fixing the anchor bolts 3 installed in the foundation 2 of the underground beam 5.
しかし、この工法は強度上ベースプレート７や
アンカーボルト３を大きくしなければならず、特
に最近改正された新耐震設計基準では層間変形量
の規定が設けられて、これを満足するためには更
に上記各部材３，７を大きくしなければならない
等の欠点があつた。 However, this construction method requires that the base plate 7 and anchor bolts 3 be made larger for strength reasons, and in particular, the recently revised new seismic design standards stipulate the amount of interstory deformation, and in order to satisfy this, the above-mentioned There were drawbacks such as the need to increase the size of each member 3 and 7.
また、従来第２図に示すように鉄骨柱１を基礎
２上に建込んだ後に、根巻きコンクリート４にて
根巻きする工法があるが、この工法では根巻きコ
ンクリート４を打設する手間が余計にかかるだけ
でなく、該根巻きコンクリート４が土間コンクリ
ート１０（第７図参照）から露出して美観上好ま
しくない等の欠点があつた。 Furthermore, as shown in Fig. 2, there is a conventional construction method in which a steel frame column 1 is erected on a foundation 2 and then wrapped with neck-wrapping concrete 4, but with this construction method, the time and effort of pouring the neck-wrapping concrete 4 is eliminated. In addition to the extra cost, there were also disadvantages such as the fact that the concrete 4 was exposed from the concrete floor 10 (see FIG. 7), which was not aesthetically pleasing.
さらに、第３図に示すように前記基礎２に直接
アンカーする工法もあるが、鉄骨柱工作の段取り
がつけにくく、施工作業が複雑で時間がかかる等
の欠点があつた。 Furthermore, as shown in FIG. 3, there is a method of anchoring directly to the foundation 2, but this method has drawbacks such as difficulty in setting up the steel column construction and making the construction work complicated and time-consuming.
本発明は、上記のような各従来工法の欠点を解
消するためになされたもので、その目的とすると
ころは、ベースプレートやアンカーボルトが小さ
くて済み、コンクリートによる面倒な根巻きが不
要で外観的に優れ、作業工程に無理がなく鉄骨柱
を地中梁に完全一体化することが出来る新規な鉄
骨柱の固定工法を提供するにある。 The present invention was made to eliminate the drawbacks of the conventional construction methods as described above, and its purpose is to reduce the size of the base plate and anchor bolts, eliminate the need for cumbersome root wrapping with concrete, and improve the appearance. To provide a new method for fixing a steel frame column, which is excellent in terms of performance and allows the steel frame column to be completely integrated with an underground beam without undue strain on the work process.
以下、本発明の一実施例について図面を参照し
ながら説明する。 An embodiment of the present invention will be described below with reference to the drawings.
第４図において、５は鉄筋コンクリート製の地
中梁であつて、その建柱位置に埋込穴６を開設す
る。該埋込穴６はエキスパンドメタル（図示せ
ず）を使用することにより型枠撤去の必要なく開
設することが出来、後述のグラウト剤と馴染み易
い利点がある。 In Fig. 4, reference numeral 5 denotes an underground beam made of reinforced concrete, and an embedding hole 6 is opened at the position of the pillar. By using expanded metal (not shown), the embedding hole 6 can be opened without the need to remove the formwork, and has the advantage of being easily compatible with the grouting agent described later.
次に、上記埋込穴６内に鉄骨柱１の下端部を挿
入する。該鉄骨柱１の下方部にはベースプレート
７が両側に張出すように設けられており、一方、
上記埋込穴６の周囲の地中梁５にはアンカーボル
ト３が植設されその上端部が地中梁５の天端面か
ら上方に突出しているので、上記鉄骨柱１の下端
部を挿入すると、上記ベースプレート７に穿設し
た穴にアンカーボルト３の上記露出部が嵌挿さ
れ、これをナツトにて締付けて固定することがで
きる（第５図参照）。 Next, the lower end of the steel column 1 is inserted into the embedding hole 6. A base plate 7 is provided at the lower part of the steel column 1 so as to protrude from both sides.
Anchor bolts 3 are installed in the underground beams 5 around the buried holes 6, and their upper ends protrude upward from the top surface of the underground beams 5, so when the lower ends of the steel columns 1 are inserted, The exposed portion of the anchor bolt 3 is inserted into the hole drilled in the base plate 7, and can be fixed by tightening with a nut (see FIG. 5).
続いて、第６図に示すように上記埋込穴６の壁
面と鉄骨柱１との間に出来た間隙Ｇ内にグラウト
材９を注入する。該グラウト材９は高強度（例え
ば500Kg／cm2）、高付着力（例えば鋼繊維、炭素繊
維、ガラス繊維等を混入）、無収縮のモルタルで
あつて、鉄骨柱１の曲げ変形荷重による圧壊を防
止したり、鉄骨柱１の抜け出しを防止する機能を
発揮する。 Subsequently, as shown in FIG. 6, grout material 9 is injected into the gap G created between the wall surface of the embedding hole 6 and the steel column 1. The grout material 9 is a mortar with high strength (for example, 500 kg/cm 2 ), high adhesion (for example, containing steel fiber, carbon fiber, glass fiber, etc.), and non-shrinkage, and is resistant to crushing due to the bending deformation load of the steel column 1. It also functions to prevent the steel column 1 from coming off.
最後に、第７図に示すように土間コンクリート
１０を打設する。尚、この際上記ベースプレート
７は該土間コンクリート１０内に埋込むが、邪魔
な場合には第７図に示すように上記グラウト材９
が硬化した後ガス切断１１等で撤去してもよい。 Finally, as shown in FIG. 7, concrete 10 for the earthen floor is placed. At this time, the base plate 7 is embedded in the earthen concrete 10, but if it gets in the way, the grout material 9 can be removed as shown in FIG.
After it has hardened, it may be removed by gas cutting 11 or the like.
尚、第５図に示すように、鉄骨柱１の下端部の
周囲には鉄筋を巻付けたり、肉盛溶接等で突起を
形成したりした簡易なシアコネクター８を設ける
ことにより、グラウト材との結合を強固にするこ
とができ、埋込穴６も小さくて済む。 As shown in Fig. 5, by providing a simple shear connector 8 with a reinforcing bar wrapped around the lower end of the steel column 1 or with a protrusion formed by overlay welding, etc., it is possible to connect the grout material. The connection between the two can be strengthened, and the embedding hole 6 can be made small.
本発明は硬化した基礎上に埋込穴用の型枠を単
にセツトするだけでよく、施工が極めて簡単であ
り、また、地中梁にあけた埋込穴内に鉄骨柱を挿
入し、これを高強度で無収縮のグラウト材で固定
するようにしたので、ベースプレートやアンカー
ボルトを小さくすることができると共に、該ベー
スプレートとアンカーボルトとの組合せにより鉄
骨柱を建込む際に高さ調整が容易に出来るだけで
なく鉄骨柱１の高さ調節が楽に出来、非常に安定
して固定することができると共に、コンクリート
による根巻きをする必要がなくて外観上見苦しく
なく、また地中梁のコンクリート打設後に鉄骨柱
を建込むので鉄骨柱の製作や施工作業を容易且つ
円滑に行なうことが出来、さらに鉄骨柱の周辺を
グラウト材の注入により圧壊から効果的に防止し
固定度を高めることにより鉄骨柱を地中梁に完全
に一体化することが出来る等の効果がある。 The present invention is extremely easy to construct by simply setting the formwork for the embedded hole on the hardened foundation, and the steel column is inserted into the embedded hole drilled in the underground beam. Since it is fixed with high-strength, non-shrink grout material, the base plate and anchor bolts can be made smaller, and the combination of the base plate and anchor bolts makes it easy to adjust the height when erecting steel columns. Not only is it possible to easily adjust the height of the steel column 1, it can be fixed very stably, and there is no need to wrap the roots with concrete, so it does not look unsightly. Since the steel columns are erected later, manufacturing and construction of the steel columns can be done easily and smoothly.Furthermore, grouting around the steel columns effectively prevents them from collapsing and increases the degree of fixation. It has the advantage of being able to be completely integrated into the underground beam.
ａ） まず、基礎を構築するので、その上にエキ
スパンドメタルから成る型枠を安定してセツト
することができる。a) First, the foundation is constructed, so the formwork made of expanded metal can be stably set on top of it.
ｂ） 型枠がエキスパンドメタル等の埋込み型か
ら構成されているので、埋込穴を迅速かつ容易
に確保することができるだけでなく、該型枠を
埋め殺しすることにより解体・撤去の手間を省
くことができ、また該型枠がグラウト材と馴染
んで鉄骨柱を地中梁中に強固に固定させること
ができる。b) Since the formwork is composed of embedded molds such as expanded metal, it is not only possible to secure the embedded holes quickly and easily, but also to save the trouble of dismantling and removing by filling the formwork completely. In addition, the formwork blends well with the grout material, allowing the steel column to be firmly fixed in the underground beam.
ｃ） 下端が基礎の上面付近にまで達するよう
に、鉄骨柱を上記地中梁の埋込穴内に挿入する
ので、鉄骨柱を安定して建て込むことができるc) The steel column is inserted into the hole of the underground beam so that the bottom end reaches near the top of the foundation, so the steel column can be stably erected.
第１〜３図は従来の鉄骨柱の固定工法による固
定構造の説明断面図、第４図は地中梁に埋込穴を
あけた状態の平面図、第５図は鉄骨柱を埋込穴に
挿入してアンカーボルトにより締着した状態を示
す断面図、第６図はグラウチング作業状態を示す
断面図、第７図は土間コンクリートの打設並びに
ベースプレートのガス切断状態を示す断面図であ
る。
１…鉄骨柱、２…基礎、３…アンカーボルト、
４…根巻きコンクリート、５…地中梁、６…埋込
穴、７…ベースプレート、８…シアコネクター、
９…グラウト材、１０…土間コンクリート、１１
…ガス切断、Ｇ…間隙。
Figures 1 to 3 are explanatory cross-sectional views of fixed structures using conventional steel column fixing methods, Figure 4 is a plan view of underground beams with embedded holes, and Figure 5 is a steel column with embedded holes. 6 is a sectional view showing the state of grouting work, and FIG. 7 is a sectional view showing the state of placing concrete on the earth floor and gas cutting of the base plate. 1... Steel column, 2... Foundation, 3... Anchor bolt,
4...Neck wrap concrete, 5...Underground beam, 6...Embedded hole, 7...Base plate, 8...Shear connector,
9... Grout material, 10... Earthen floor concrete, 11
...Gas cutting, G...gap.
Claims (1)
パンドメタル等の埋込み型枠をセツトし、該型枠
により埋込穴６を確保しながら地中梁５を構築
し、続いて、下端が上記基礎２の上面付近にまで
達するように鉄骨柱１を上記地中梁５の埋込穴６
内に挿入し、該鉄骨柱１の下方部の両側に張出し
て取付けられたベースプレートを、埋込穴６の周
囲の地中梁５の天端面から上方に突出ように植設
されているアンカーボルト３に固定し、上記埋込
穴６と鉄骨柱１の間にグラウト材９を注入して固
化させることを特徴とする鉄骨柱の固定工法。1 After constructing the foundation 2, set an embedded formwork such as expanded metal on the foundation 2, construct the underground beam 5 while securing the embedded hole 6 with the formwork, and then The steel column 1 is inserted into the hole 6 of the underground beam 5 so as to reach near the top surface of the foundation 2.
Anchor bolts are inserted into the steel frame column 1 and attached to the base plate so as to protrude from both sides of the lower part of the steel column 1. 3, and injecting grout 9 between the embedding hole 6 and the steel column 1 and solidifying it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6621083A JPS59192145A (en) | 1983-04-14 | 1983-04-14 | Fixing of iron pillar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6621083A JPS59192145A (en) | 1983-04-14 | 1983-04-14 | Fixing of iron pillar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59192145A JPS59192145A (en) | 1984-10-31 |
| JPH0232417B2 true JPH0232417B2 (en) | 1990-07-20 |
Family
ID=13309231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6621083A Granted JPS59192145A (en) | 1983-04-14 | 1983-04-14 | Fixing of iron pillar |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59192145A (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63103139A (en) * | 1986-10-18 | 1988-05-07 | 積水ハウス株式会社 | Construction method for erecting pillar in foundation part |
| JPH0784762B2 (en) * | 1987-06-25 | 1995-09-13 | 東急建設株式会社 | Steel column base fixing method |
| JPH0784763B2 (en) * | 1987-07-02 | 1995-09-13 | 東急建設株式会社 | Squirrel-framed formwork for the steel column support in the building |
| EP0501710B1 (en) * | 1991-02-25 | 1995-04-12 | Renishaw Metrology Limited | Touch probe |
| JP2006307621A (en) * | 2005-03-28 | 2006-11-09 | Jfe Steel Kk | Structure of common section of apartment |
| JP2013256022A (en) * | 2012-06-11 | 2013-12-26 | Kyocera Communication Systems Co Ltd | Outer frame member |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS534007U (en) * | 1976-06-29 | 1978-01-14 | ||
| JPS5869946A (en) * | 1981-10-23 | 1983-04-26 | 株式会社大林組 | Anchoring of leg part of iron pillar |
-
1983
- 1983-04-14 JP JP6621083A patent/JPS59192145A/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS534007U (en) * | 1976-06-29 | 1978-01-14 | ||
| JPS5869946A (en) * | 1981-10-23 | 1983-04-26 | 株式会社大林組 | Anchoring of leg part of iron pillar |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59192145A (en) | 1984-10-31 |
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