JP3808065B2 - Connecting material for construction - Google Patents

Connecting material for construction Download PDF

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JP3808065B2
JP3808065B2 JP2003329490A JP2003329490A JP3808065B2 JP 3808065 B2 JP3808065 B2 JP 3808065B2 JP 2003329490 A JP2003329490 A JP 2003329490A JP 2003329490 A JP2003329490 A JP 2003329490A JP 3808065 B2 JP3808065 B2 JP 3808065B2
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connecting material
flat plate
steel
channel steel
construction
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JP2005097833A (en
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正男 柿沼
俊也 鬼木
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Sekisui House Ltd
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Sekisui House Ltd
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Description

本発明は、鉄骨構造建物において、小梁間に架け渡される梁つなぎ、あるいは柱間に架け渡されるブレースなどに使用される建築用連結材に関する。   The present invention relates to a building connecting material used in a steel structure building for connecting a beam spanned between small beams or a brace spanned between columns.

図５は鉄骨構造建物における床部の骨組構造を示す平面図で、この図において１１，１２は柱１０・・・間に縦横に架け渡される大梁で、対向する縦大梁１１，１１間に小梁１３が横大梁１２と平行に架け渡され、そして小梁１３，１３の間、及び小梁１３と横大梁１２との間に梁つなぎ１４が架け渡されている。この梁つなぎ１４は、小梁１３更には横大梁１２にかかる荷重によって小梁１３や横大梁１２が回転を生じて、撓んだり変形することがあることから、それを防止するためのもので、通常は小梁１３，１３間に梁つなぎ１４を架け渡して両小梁１３，１３を連結することによって、小梁１３更には横大梁１２の撓み変形を防止するようになっている。   FIG. 5 is a plan view showing a frame structure of a floor in a steel structure building. In this figure, 11 and 12 are large beams that are stretched vertically and horizontally between columns 10... A beam 13 is bridged in parallel with the horizontal beam 12, and a beam link 14 is bridged between the small beams 13 and 13 and between the small beam 13 and the horizontal beam 12. This beam tether 14 is intended to prevent the small beam 13 and the large horizontal beam 12 from rotating due to the load applied to the small beam 13 and further to the large horizontal beam 12 to bend or deform. In general, the beam connection 14 is bridged between the small beams 13 and 13 and the both small beams 13 and 13 are connected to prevent the small beam 13 and the lateral large beam 12 from being bent and deformed.

図６の（Ａ）は図５の矢印イで囲まれる部分の分解斜視図、（Ｂ）は従来の梁つなぎ１４を示す。この従来の梁つなぎ１４は、リップ付き溝形鋼材からなる本体１５の端部に、取付部片１６ａと連結用ボルト挿通孔１７を有する連結部片１６ｂとからなるＬ字状のつなぎ片１６を溶接することにより取り付けたもので、つなぎ片１６の取付部片１６ａを本体１５の端部に溶接するにあたっては、通常その取付部片１６ａの一端部側周縁を本体１５に溶接し、溶接長が不足する時は更にこの取付部片１６ａに開口した長孔１８の内周縁に沿って溶接している。   6A is an exploded perspective view of a portion surrounded by an arrow A in FIG. 5, and FIG. 6B shows a conventional beam joint 14. This conventional beam tether 14 has an L-shaped tether piece 16 comprising an attachment piece 16a and a connecting piece 16b having a connecting bolt insertion hole 17 at the end of a main body 15 made of a lip-shaped channel steel. When welding the attachment piece 16a of the connecting piece 16 to the end portion of the main body 15, the peripheral edge of the one end portion of the attachment piece 16a is usually welded to the main body 15, and the welding length is When it is insufficient, welding is further performed along the inner peripheral edge of the long hole 18 opened in the attachment piece 16a.

従来の梁つなぎ１４は、上記のように、溝形鋼材からなる本体１５の端部に、この本体１５とは別部材からなる鋼板製のＬ字形つなぎ片１６を溶接することによって作製されるものであるから、溶接部の管理と検査が必要となり、またその溶接は作業者の技能、作業環境に左右されるため製品の品質や精度にバラツキが大きくなる。また溝形鋼材にプレメッキ品を使用した場合にはメッキ部分が焼損するため溶接後に錆止め塗装が必要になって、後作業に非常な手間がかかり、製作費が非常に高くつく。更に、鋼板製のつなぎ片１６は、本体１４を形成している溝形鋼材に比べて断面性能が小さく、圧縮荷重に対してつなぎ片１６での座屈変形が生じるため、使用する鋼板も板厚の厚いものが必要となって、製品のコストアップにつながる。   The conventional beam tether 14 is manufactured by welding the L-shaped tether piece 16 made of a steel plate made of a member different from the main body 15 to the end of the main body 15 made of channel steel as described above. Therefore, it is necessary to manage and inspect the welded portion, and the welding depends on the skill and working environment of the operator, so that the quality and accuracy of the product vary greatly. In addition, when pre-plated products are used for the channel steel, the plated parts are burned out, and thus rust prevention coating is required after welding, which requires a lot of work for post-work and a very high production cost. Further, the steel plate connecting piece 16 has a smaller cross-sectional performance than the channel steel forming the main body 14, and buckling deformation occurs at the connecting piece 16 against a compressive load. Thicker materials are required, leading to increased product costs.

本発明は、上記の課題に鑑み、溝形鋼材又はリップ溝形鋼材のみを使用して、溶接を一切行なうことなく、この溝形鋼材にプレス加工を施すことによって、品質や精度にバラツキがなく、連結材端部での十分な強度を確保できると共に、量産が可能で製品コストを安くできるようにした建築用連結材を提供することを目的とする。   In view of the above-mentioned problems, the present invention uses only a grooved steel material or a lip grooved steel material, and does not perform welding at all. An object of the present invention is to provide a connecting material for construction that can secure sufficient strength at the end of the connecting material, can be mass-produced, and can reduce the product cost.

請求項１に係る発明の建築用連結材は、溝形鋼材又はリップ付き溝形鋼材からなる連結材本体２の端部がプレス加工により押し広げられて溝形鋼材のウェブ幅Ｗａよりも広幅の扁平板状に形成されると共に、この扁平板状部３の先端部が直角に折曲されて取付片部４を形成し、この取付片部４に接合用ボルト挿通孔５が設けられてなることを特徴とする。   In the construction connecting material according to the first aspect of the present invention, the end of the connecting material body 2 made of channel steel or lip-shaped channel steel is expanded by pressing so that it is wider than the web width Wa of the channel steel. In addition to being formed into a flat plate shape, the tip portion of the flat plate portion 3 is bent at a right angle to form a mounting piece portion 4, and a connecting bolt insertion hole 5 is provided in the mounting piece portion 4. It is characterized by that.

請求項２は、請求項１に記載の建築用連結材において、前記扁平板状部３には補強用リブ６が形成されてなることを特徴とする。   A second aspect of the present invention is the construction connecting material according to the first aspect, wherein the flat plate portion 3 is formed with reinforcing ribs 6.

請求項１に係る発明の建築用連結材は、溝形鋼材からなる連結材本体の端部がプレス加工により押し広げられて扁平板状に一体形成されていると共に、この扁平板状部の先端部が直角に折曲されて取付片部を形成してなるもので、製作にあたっては、別部材を使用せず溝形鋼材のみをプレス加工することによって形成されるから、溶接が一切不要となり、溝形鋼材としてプレメッキの形鋼を使用することができ、それによって錆止め塗装を省略でき、作業工程の簡略化を図って、コストの低減化を図ることができる。また、溶接作業が省けるから、作業環境の大幅な改善を図ることができる。   In the construction connecting material of the invention according to claim 1, the end portion of the connecting material main body made of channel steel is expanded by pressing to be integrally formed in a flat plate shape, and the tip of the flat plate portion The part is bent at a right angle to form a mounting piece, and in the production, it is formed by pressing only the grooved steel material without using a separate member, so welding is not required at all, A pre-plated shape steel can be used as the channel steel, thereby eliminating rust-prevention coating, simplifying the work process, and reducing costs. Further, since the welding work can be omitted, the working environment can be greatly improved.

またこの発明の連結材の製作にあたって溶接作業を行なわず、プレス金型を使用して常に同じ形状の連結材製品を作製できるから、品質や精度にバラツキがなく、品質の安定及び精度の向上を図ることができると共に、プレス加工の自動化によって大幅なコストの削減が可能となり、量産が可能で製品のコストダウンを図ることができる。   In addition, since the connecting material of the same shape can always be manufactured by using a press die without performing welding work when manufacturing the connecting material of the present invention, there is no variation in quality and accuracy, and quality stability and accuracy are improved. In addition to being able to achieve this, it is possible to significantly reduce costs by automating the press work, enabling mass production and reducing product costs.

そして特に、この発明の建築用連結材によれば、連結材本体の端部の扁平板状部は、プレス加工によって溝形鋼材のウェブ幅よりも広幅の扁平板状に押し広げられて一体形成されるから、取付片部を含む扁平板状部の強度を十分に高めることができて、連結材端部での十分な強度を確保できる。   In particular, according to the building connecting material of the present invention, the flat plate-like portion at the end of the connecting material body is integrally formed by being pressed into a flat plate shape wider than the web width of the channel steel material by pressing. Therefore, the strength of the flat plate-like portion including the attachment piece portion can be sufficiently increased, and sufficient strength at the end of the connecting material can be ensured.

請求項２に係る発明の建築用連結材によれば、扁平板状部に補強用リブが形成されているから、使用時に連結材に作用する圧縮力による座屈の発生を防止することができる。   According to the construction connecting material of the invention according to claim 2, since the reinforcing rib is formed on the flat plate-like portion, it is possible to prevent the occurrence of buckling due to the compressive force acting on the connecting material during use. .

図１は本発明に係る建築用連結材１の全体を示す斜視図である。図２は同連結材１の一端部側を内側から見た拡大斜視図、図３は同連結材１の他端部側を外側から見た拡大斜視図である。図４は同連結材１の使用状態を示す斜視図である。この連結材１は、リップｃ，ｃ付き溝形鋼材からなる連結材本体２の両端部が夫々金型の使用によるプレス加工によって押し広げられて溝形鋼材のウェブａの幅Ｗａよりも広幅の扁平板状に一体形成されていると共に、この扁平板状部３の先端部が直角に折曲されて取付片部４を形成してなるもので、取付片部４の上下２箇所に接合用ボルト挿通孔５が貫設されている。   FIG. 1 is a perspective view showing an entire construction connecting material 1 according to the present invention. FIG. 2 is an enlarged perspective view of one end portion of the connecting member 1 as viewed from the inside, and FIG. 3 is an enlarged perspective view of the other end portion of the connecting member 1 as viewed from the outside. FIG. 4 is a perspective view showing a usage state of the connecting member 1. The connecting member 1 has both ends of a connecting member body 2 made of a grooved steel member with lips c and c widened by press working by use of a die, and is wider than the width Wa of the web a of the grooved member. It is integrally formed in a flat plate shape, and the tip portion of the flat plate portion 3 is bent at a right angle to form a mounting piece portion 4. A bolt insertion hole 5 is provided therethrough.

尚、上記のリップ付き溝形鋼材は、図２及び図３に示すように、ウェブａと、このウェブａの両側端部のフランジｂ、ｂとからなり、各フランジｂにリップｃが突設されている。これらの図において、Ｗａはリップ付き溝形鋼材のウェブａの幅を示し、Ｗｏは扁平板状部３の幅を示す。   As shown in FIGS. 2 and 3, the grooved steel material with a lip is composed of a web a and flanges b, b at both end portions of the web a, and a lip c is projected from each flange b. Has been. In these drawings, Wa indicates the width of the web a of the lip-shaped channel steel, and Wo indicates the width of the flat plate portion 3.

扁平板状部３にはその幅方向中央部に、内側面に突出する断面円弧状の補強用リブ６が、当該扁平板状部３の先端部の取付片部４に亘って形成され、この補強用リブ６によって圧縮作用時の座屈防止を図ることができるようになっている。この補強用リブ６を扁平板状部３の内側面に突出するように形成したのは、図４に示すように、取付片部４をＨ形鋼からなる小梁１３のウェブ１３ａに当接させて取り付けるのに支障を来さないようにするためである。   The flat plate portion 3 is formed with a reinforcing rib 6 having an arcuate cross section projecting from the inner surface across the attachment piece 4 at the tip of the flat plate portion 3 at the center in the width direction. The reinforcing rib 6 can prevent buckling during compression. The reinforcing ribs 6 are formed so as to protrude from the inner surface of the flat plate-like portion 3 as shown in FIG. 4 so that the attachment piece 4 abuts against the web 13a of the small beam 13 made of H-shaped steel. This is so as not to interfere with the installation.

図４は上記のような構成の建築用連結材１を梁つなぎとして使用する場合の使用例を示したもので、使用にあたって、この連結材１の一端側の取付片部４を、Ｈ形鋼からなる小梁１３のウェブ１３ａに当て付け、この取付片部４の接合用ボルト挿通孔５から、小梁１３のウェブａに設けてあるボルト挿通孔（図示せず）にボルト７を挿通し、その先端部にナット（図示せず）を螺合して締め付けることにより、連結材１の一端部側を一方の小梁１３に接合する。また、図示は省略するが、この連結材１の他端側の取付片部４も、上記同様にして他方の小梁１３のウェブａにボルト止めして接合すればよい。尚、小梁１３のＨ形鋼は、ウェブ１３ａと上下フランジ１３ｂ，１３ｂとからなる。   FIG. 4 shows an example of use in the case where the construction connecting material 1 having the above-described structure is used as a beam connecting member. In use, the attachment piece 4 on one end side of the connecting material 1 is used as an H-shaped steel. The bolt 7 is inserted into a bolt insertion hole (not shown) provided in the web a of the small beam 13 from the joining bolt insertion hole 5 of the mounting piece 4. Then, a nut (not shown) is screwed and tightened to the distal end portion, thereby joining one end portion side of the connecting material 1 to one of the small beams 13. Although not shown, the attachment piece 4 on the other end side of the connecting member 1 may be bolted to the web a of the other beam 13 in the same manner as described above. In addition, the H-section steel of the small beam 13 consists of a web 13a and upper and lower flanges 13b and 13b.

以上説明した本発明に係る建築用連結材１は、リップｃ，ｃ付き溝形鋼材からなる連結材本体２の両端部が夫々プレス加工により押し広げられて扁平板状に一体形成されていると共に、この扁平板状部３の先端部が直角に折曲されて取付片部４を形成してなるもので、この連結材１の製作にあたって、別部材を使用せず上記溝形鋼材のみをプレス加工することによって形成されるから、溶接が一切不要となり、上記溝形鋼材としてプレメッキの形鋼を使用することができ、それによって錆止め塗装を省略でき、作業工程の簡略化を図って、コストの低減化を図ることができる。また、溶接作業が省けるから、作業環境の大幅な改善を図ることができる。   The construction connecting material 1 according to the present invention described above is integrally formed in a flat plate shape by both ends of the connecting material main body 2 made of a grooved steel material with lips c and c being expanded by pressing. The tip portion of the flat plate-like portion 3 is bent at a right angle to form the attachment piece portion 4. In the production of the connecting material 1, only the grooved steel material is pressed without using a separate member. Since it is formed by processing, no welding is necessary, and pre-plated steel can be used as the above-mentioned channel steel, thereby eliminating rust-prevention coating, simplifying the work process, and reducing the cost. Reduction can be achieved. Further, since the welding work can be omitted, the working environment can be greatly improved.

また連結材１の製作にあたって溶接作業を行なわず、プレス金型の使用によって常に同じ形状の連結材製品を作製できるから、品質や精度にバラツキがなく、品質の安定及び精度の向上を図ることができると共に、プレス加工の自動化によって大幅なコストの削減が可能となり、量産が可能で製品のコストダウンを図ることができる。   In addition, since the connecting material product having the same shape can always be manufactured by using a press die without performing welding work in manufacturing the connecting material 1, there is no variation in quality and accuracy, and quality stability and accuracy can be improved. At the same time, automation of press work enables significant cost reduction, enabling mass production and reducing product costs.

また、この建築用連結材１によれば、連結材本体２の端部の扁平板状部３は、プレス加工によってリップｃ，ｃ付き溝形鋼材のウェブａの幅Ｗａよりも広幅の扁平板状に押し広げられて一体形成されるから、取付片部４を含む扁平板状部３の強度を十分に高めることができて、連結材端部での十分な強度を確保できる。更に、扁平板状部３には補強用リブ６が形成されているから、図４に示すような使用時に連結材１に圧縮力が作用しても、扁平板状部３が座屈を起こすことがない。   Moreover, according to this connection material 1 for construction, the flat plate-like portion 3 at the end of the connection material main body 2 is a flat plate having a width wider than the width Wa of the web a of the grooved steel material with lips c and c by pressing. Therefore, the strength of the flat plate-like portion 3 including the attachment piece portion 4 can be sufficiently increased, and sufficient strength at the end of the connecting material can be secured. Further, since the reinforcing rib 6 is formed on the flat plate-like portion 3, the flat plate-like portion 3 buckles even if a compressive force acts on the connecting member 1 during use as shown in FIG. There is nothing.

以上説明した実施形態では、連結材本体２を形成する溝形鋼材としてリップｃ，ｃ付き溝形鋼材を使用したが、リップの付いていない単なる溝形鋼材を使用してもよい。また、上述した実施形態では、連結材本体２の両端部に夫々扁平板状部３を形成したが、この扁平板状部３は連結材本体２のいずれか一端部のみに形成してもよい。   In the embodiment described above, the grooved steel material with the lips c and c is used as the grooved steel material forming the connecting material body 2, but a simple grooved steel material without a lip may be used. In the above-described embodiment, the flat plate-like portions 3 are formed at both ends of the connecting material main body 2. However, the flat plate-like portions 3 may be formed only at one end of the connecting material main body 2. .

本発明に係る建築用連結材の全体を示す斜視図である。It is a perspective view showing the whole building connecting material concerning the present invention. 同連結材の一端部側を内側から見た拡大斜視図である。It is the expansion perspective view which looked at the one end part side of the connection material from the inner side. 同連結材の他端部側を外側から見た拡大斜視図である。It is the expansion perspective view which looked at the other end part side of the connection material from the outside. 同連結材の使用状態を示す斜視図である。It is a perspective view which shows the use condition of the connection material. 鉄骨構造建物における床部の骨組構造を示す平面図である。It is a top view which shows the frame structure of the floor part in a steel structure building. （Ａ）は図５の矢印イで囲まれる部分の分解斜視図、（Ｂ）は従来の梁つなぎを示す斜視図である。(A) is an exploded perspective view of a portion surrounded by an arrow (a) in FIG. 5, and (B) is a perspective view showing a conventional beam connection.

符号の説明Explanation of symbols

１ 建築用連結材
２ 連結材本体
３ 扁平板状部
４ 取付片部
５ 接合用ボルト挿通孔
６ 補強用リブ
DESCRIPTION OF SYMBOLS 1 Construction connecting material 2 Connecting material main body 3 Flat plate-shaped part 4 Mounting piece part 5 Joining bolt insertion hole 6 Reinforcing rib

Claims (2)

溝形鋼材又はリップ付き溝形鋼材からなる連結材本体の端部がプレス加工により押し広げられて溝形鋼材のウェブ幅よりも広幅の扁平板状に形成されると共に、この扁平板状部の先端部が直角に折曲されて取付片部を形成し、この取付片部に接合用ボルト挿通孔が設けられてなる建築用連結材。   The end of the connecting material body made of channel steel or lip-shaped channel steel is expanded by pressing to form a flat plate having a width wider than the web width of the channel steel. A construction connecting material in which a tip end portion is bent at a right angle to form an attachment piece portion, and a joining bolt insertion hole is provided in the attachment piece portion. 前記扁平板状部には補強用リブが形成されてなる請求項１に記載の建築用連結材。
The building connecting material according to claim 1, wherein a reinforcing rib is formed on the flat plate portion.
JP2003329490A 2003-09-22 2003-09-22 Connecting material for construction Expired - Fee Related JP3808065B2 (en)

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