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JP2722066B2 - Jig for fire-resistant coating of steel frame material and setting method of protrusion dimensions of jig body for fire-resistant coating - Google Patents
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JP2722066B2 - Jig for fire-resistant coating of steel frame material and setting method of protrusion dimensions of jig body for fire-resistant coating - Google Patents

Jig for fire-resistant coating of steel frame material and setting method of protrusion dimensions of jig body for fire-resistant coating

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Publication number
JP2722066B2
JP2722066B2 JP62219646A JP21964687A JP2722066B2 JP 2722066 B2 JP2722066 B2 JP 2722066B2 JP 62219646 A JP62219646 A JP 62219646A JP 21964687 A JP21964687 A JP 21964687A JP 2722066 B2 JP2722066 B2 JP 2722066B2
Authority
JP
Japan
Prior art keywords
flange
jig
base end
flange portion
steel
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
Application number
JP62219646A
Other languages
Japanese (ja)
Other versions
JPS6462539A (en
Inventor
和夫 塚本
博彦 松崎
孝 安藤
泰雄 河野
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsui Construction Co Ltd
Original Assignee
Mitsui Construction Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsui Construction Co Ltd filed Critical Mitsui Construction Co Ltd
Priority to JP62219646A priority Critical patent/JP2722066B2/en
Publication of JPS6462539A publication Critical patent/JPS6462539A/en
Application granted granted Critical
Publication of JP2722066B2 publication Critical patent/JP2722066B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Description

【発明の詳細な説明】 (産業上の利用分野) 本発明は、所定の耐火被覆厚を確保するための鉄骨材
の耐火被覆用治具と、耐火被覆用治具本体の突出寸法の
設定方法に関する。 (従来の技術) 鉄骨造の建築物においては、所定の耐火性能を満足す
るための、躯体鉄骨材の耐火被覆厚があらかじめ耐火時
間に応じて規定されている。 しかして、ロックウール等の耐火被覆材を吹付け施工
する場合には、単に吹付けただけでは所定の耐火被覆厚
を満足しているか否かの判断が困難であるため、従来は
第9図乃至第12図に示すような治具を使用していた。 第9図及び第10図に示す治具1及び治具2は、矩形プ
レート3に各々交差形脚4及び二又形脚5を一体に突出
形成して構成されている。 なお、二又形脚5のほうには位置決め用のストッパー
6が形成されている。 しかして、第11図に示すように鉄骨材7のフランジ8
の端部に前記交差形脚4もしくは二又形脚5を嵌着すれ
ば、各々寸法W1及びW2が耐火被覆材9の所定の被覆厚と
なるように設定されているものである。 また、第12図に示す治具10は、針部11の長さが耐火被
覆厚寸法に設定されていて、鉄骨材7に耐火被覆材9を
吹付け後に針部11を該被覆材9に挿入して所定の被覆厚
となっていることを確認するためのものである。 (発明が解決しようとする問題点) しかしながら、前記治具1及び治具2においては、矩
形プレート3を耐火被覆材吹付け時の型枠として使用す
るようになっているため、吹付け後に矩形プレート3は
外部に露出したままとなり、防火上から耐火認定が必要
となる。 また、治具1、2は単に耐火被覆材9の被覆寸法を設
定するためのものであって、耐火被覆材9を保持する機
能はないため、フランジ8部分の耐火被覆材9の剥離の
恐れがあるという問題を有していた。 また、前記治具10についても、単に被覆厚の確認のた
めだけのものであり、耐火被覆材9の剥落に対するアン
カー効果は期待できなかった。 本発明は、かかる従来の問題点を解決しうる鉄骨材の
耐火被覆用治具を提供することを目的とするものであ
る。 (問題点を解決するための手段) 上記目的を達成するための本発明の第1の発明におい
ては、鉄骨材のフランジ部の耐火被覆厚を所定寸法に設
定するための治具にして、弾性線条体からなり、先端部
には前記フランジ部に弾性的に装着しうる取付部が形成
され、前記フランジ部に取付部を嵌着した際に、治具基
端部のフランジ部先端からの突出寸法が、所定の耐火被
覆厚となるように設定されたことを特徴とするものであ
る。 また、上記目的を達成するため本発明の第2の発明に
おいては、治具本体とガイドとからなり、治具本体は、
弾性線条体としての鋼線を略V字形に折曲形成し、その
両先端部をさらに基端部側に折曲して鉄骨材のフランジ
部に弾性的に装着しうる一対の取付部が形成され、前記
ガイドは、弾性線条体としての鋼線を円環状に折曲した
リング部の頂部にフランジ当接部が一体に固着されてな
り、作業者の指に前記ガイドのリング部を嵌着し、フラ
ンジ当接部を鉄骨材のフランジ部の端縁に当接した状態
で、外方から前記治具本体を鉄骨材のフランジ部に嵌合
し、治具本体の基端部が、前記ガイドのリング部に当接
する位置まで挿入されることにより、該位置でフランジ
部の先端から基端部までの距離が所定の耐火被覆厚とな
るように寸法設定され、かつ、治具本体の両取付部の位
置でフランジ部の表面から取付部の外方端までの寸法が
同様に所定の耐火被覆厚となるように取付部の寸法設定
がなされている鉄骨材の耐火被覆用治具本体の突出寸法
の設定方法を特徴としている。 (実施例) 以下、本発明の好適な実施例を図面により説明する。 第1図及び第2図は本発明の第2の発明の一実施例を
示すものであり、本実施例に係る耐火被覆用治具20は、
第1図に示すように治具本体21とガイド22とからなる。 治具本体21は、弾性線条体としての鋼線を略V字形に
折曲形成し、その両先端部をさらに基端部23側に折曲し
て鉄骨材7のフランジ部8に弾性的に装着しうる一対の
取付部24が形成されている。 また、前記ガイド22は、弾性線条体としての鋼線を円
環状に折曲したリング部25の頂部に後述するフランジ当
接部26を一体に固着したものであり、作業者の指にリン
グ部25を嵌着しうるようになっている。 しかして、施工にあたっては、第2図に示すように作
業者の指にガイド22のリング部25を嵌着し、鉄骨材7の
フランジ部8の端縁にフランジ当接部26を当接した状態
で、治具本体21を外方からフランジ部8に嵌合し、基端
部23が図示の如くガイド22のリング部25に当接する位置
まで挿入すれば、該位置でフランジ部8の先端から基端
部23までの距離W1が所定の耐火被覆厚となるように寸法
設定されているものである。 また、治具本体21の両取付部24、24の位置でフランジ
部8の表面から取付部24の外方端までの寸法W2が同様に
所定の耐火被覆厚となるように取付部24の寸法設定がな
されている。 よって、本実施例では、治具本体21をフランジ部8に
嵌合するだけでワンタッチで所定の耐火被覆厚の寸法設
定が可能であり、治具本体21を目安にして第2図に示す
ように耐火被覆材9を吹付施工すればよい。 また、本実施例では第2図に示すように耐火被覆用治
具20のフランジ部8への取付け時に、弾性線条体である
一対の治具本体21が拡開することにより、両取付部24、
24がフランジ部8を両側から挟持するように弾接付勢さ
れているため、施工後に耐火被覆材9内に埋設されるこ
ととなる治具本体21が耐火被覆材9のアンカー材として
の補強効果を奏することが可能となり、耐火被覆厚が大
きい場合であっても、従来のような耐火被覆材9の剥落
の恐れがなくなるものである。 次に、第3図及び第4図は、本発明の第1の発明に係
る第1実施例を示すものであり、本実施例に係る耐火被
覆用治具30は、弾性線条体としての鋼線を略V字形に折
曲形成し、その両先端部をさらに基端部31側に折曲して
鉄骨材7のフランジ部8に弾性的に装着しうる一対の取
付部32を形成したものであり、かつ、基端部31から所定
寸法先端側の位置にストッパー部33が内方に突出形成さ
れている。 しかして、本実施例では第4図に示すようにフランジ
部8に外方から治具30を嵌合し、ストッパー部33がフラ
ンジ部8の端縁に当接する位置まで嵌挿すれば、該フラ
ンジ部8端縁から基端部31までの距離W1が所定の耐火被
覆厚となるように寸法設定されており、また、治具30の
両取付部32、32の位置でフランジ部8の表面から取付部
32の外方端までの寸法W2が同様に所定の耐火被覆厚とな
るように取付部32の寸法設定がなされているものであ
る。 しかして、本実施例では、上記第2の発明の実施例と
同様の作用効果を奏しうるとともに、部品点数が上記第
2の発明の実施例より少なくてすむ利点がある。 また、第5図及び第6図は本発明の第1の発明に係る
第2実施例を示し、本実施例に係る耐火被覆用治具40
は、メッシュ状をなす弾性線条体としての鋼線を所定寸
法に切断し、基端部41を形成する2本の横方向鋼線の両
端を内方に折曲して一対のフランジ当接部42、42を形成
し、中央の2本の縦方向鋼線内方に折曲して一対の取付
部43、43を形成してなるものである。 しかして、本実施例では第6図に示すように治具40の
取付部41を外方からフランジ部8に嵌合し、フランジ当
接部42がフランジ部8の端縁に当接する位置まで嵌挿す
れば、該フランジ部8端縁から基端部31までの距離W1が
所定の耐火被覆厚となるように寸法設定されている。 次に、第7図及び第8図は、本発明の第1の発明に係
る第3実施例を示し、本実施例に係る耐火被覆用治具50
は、メッシュ状をなす弾性線条体としての鋼線を所定寸
法に切断し、格子状をなす中央を中央部51として形成
し、該中央部51の長手方向寸法Dをフランジ部8の幅寸
法に略等しく設定し、該長手方向の両端部に突出する各
3本の自由端のうち、一方の端部の両外端の2本の線条
体を内方に折曲して一対の取付部52、52を形成し、中央
部51の鋼線の両端部を各々内方に折曲して一対のフラン
ジ弾接部53、53を形成してなり、取付部52と反対側端部
の対応する2本の自由端を固定部54としている。 なお、本実施例では、一対のフランジ弾接部53の外方
端が、上記実施例における治具基端部に相当するように
構成されている。 しかして、本実施例では第8図において左外方からフ
ランジ部8の左端部に取付部52を嵌合し、その状態で図
中右方向に移動させ、両端のフランジ弾接部53がフラン
ジ部8の下面に弾接した状態で自由端となっている一対
の固定部54をフランジ部8の上面側に折曲し、治具50を
フランジ部8に取付けるようになっている。 この際、フランジ部8の端縁からフランジ弾接部53の
外方端までの距離W1が所定の耐火被覆厚となるように設
定されている。 しかして、上記本発明の第1の発明に係る第2実施例
及び第3実施例においても上記本発明の第1の発明に係
る第1実施例に準じた作用効果を奏しうる。 なお、本発明は上記実施例に限定されるものではな
く、例えば上記各実施例における弾性線条体とての鋼線
の折曲形状は条件に応じて適宜変更しうる等、本発明の
要旨を逸脱しない範囲内で種々の変形例が可能なことは
言うまでもない。 (発明の効果) 本発明の第1の発明は上述した如く構成されており、
鉄骨材のフランジ部の耐火被覆厚を所定寸法に設定する
ための治具にして、弾性線条体からなり、先端部には前
記フランジ部に弾性的に装着しうる取付部が形成され、
前記フランジ部に取付部を嵌着した際に、治具基端部の
フランジ部先端からの突出寸法が所定の耐火被覆厚とな
るように設定することにより、簡易かつ迅速に鉄骨材へ
の取付が可能であり、正確な耐火被覆厚のガイドとなる
とともに、耐火被覆材内に埋設された治具がアンカー効
果を発揮して該耐火被覆材の剥落を有効に防止しうるも
のである。 また、本発明の第2の発明は、上述した如く構成され
ており、治具本体をリング部を介してフランジ部に嵌合
するだけで、ワンタッチで所定の耐火被覆厚の寸法設定
が可能であり、治具本体を目安にして耐火被覆厚材を吹
付施工すればよい。 また、本発明の第2の発明では耐火被覆用治具をフラ
ンジ部へ取付ける時に、弾性線条体である一対の治具本
体が拡開することにより、両取付部がフランジ部を両側
から挟持するように弾接付勢されているため、施工後に
耐火被覆材内に埋設されることとなる治具本体が耐火被
覆材のアンカー材としての補強効果を奏することが可能
となり、耐火被覆厚が大きい場合であっても、従来のよ
うな耐火被覆材の剥落の恐れがなくなる。
DETAILED DESCRIPTION OF THE INVENTION (Industrial application field) The present invention relates to a jig for refractory coating of a steel frame material for securing a predetermined refractory coating thickness, and a method of setting a protruding dimension of a jig main body for refractory coating. About. (Prior Art) In a steel-framed building, the thickness of a fire-resistant coating of a frame steel material for satisfying a predetermined fire-resistant performance is defined in advance according to the fire-resistant time. However, when spraying a fire-resistant coating material such as rock wool, it is difficult to determine whether or not a predetermined fire-resistant coating thickness is satisfied simply by spraying. A jig as shown in FIG. 12 to FIG. 12 was used. The jigs 1 and 2 shown in FIGS. 9 and 10 are each formed by integrally forming a cross-shaped leg 4 and a bifurcated leg 5 on a rectangular plate 3. In addition, a stopper 6 for positioning is formed on the forked leg 5. Then, as shown in FIG.
When the cross leg 4 or the bifurcated leg 5 is fitted to the end, the dimensions W1 and W2 are set so as to be the predetermined coating thickness of the refractory coating material 9, respectively. In the jig 10 shown in FIG. 12, the length of the needle portion 11 is set to the thickness of the refractory coating, and after spraying the refractory coating material 9 on the steel frame material 7, the needle portion 11 is attached to the coating material 9. It is for confirming that it has a predetermined coating thickness by being inserted. (Problems to be Solved by the Invention) However, in the jigs 1 and 2, the rectangular plate 3 is used as a mold when spraying the refractory coating material. The plate 3 remains exposed to the outside, and fireproof certification is required for fire protection. Also, the jigs 1 and 2 are only for setting the coating size of the refractory coating material 9 and do not have a function of holding the refractory coating material 9. There was a problem that there is. In addition, the jig 10 was also merely for confirming the coating thickness, and the anchor effect against the peeling of the refractory coating material 9 could not be expected. An object of the present invention is to provide a jig for refractory coating of a steel frame material that can solve such a conventional problem. (Means for Solving the Problems) In the first invention of the present invention for achieving the above object, a jig for setting a fireproof coating thickness of a flange portion of a steel frame material to a predetermined size is used, It is formed of a striated body, and a mounting portion that can be elastically attached to the flange portion is formed at the distal end portion, and when the mounting portion is fitted to the flange portion, the mounting portion from the front end of the flange portion of the jig base end portion is formed. The protrusion dimension is set so as to have a predetermined thickness of the refractory coating. According to a second aspect of the present invention, there is provided a jig body and a guide.
A steel wire as an elastic wire is bent into a substantially V-shape, and both ends are further bent toward the base end to form a pair of mounting portions that can be elastically attached to the flange portion of the steel frame material. The guide is formed such that a flange contact portion is integrally fixed to the top of a ring portion obtained by bending a steel wire as an elastic wire into an annular shape, and a ring portion of the guide is attached to an operator's finger. The jig body is fitted from outside into the flange portion of the steel frame material in a state where the flange abutment portion is in contact with the edge of the flange portion of the steel frame material, and the base end portion of the jig body is When the guide is inserted to a position where the guide comes into contact with the ring, the distance from the distal end to the base end of the flange at this position is set to a predetermined thickness of the fireproof coating, and the jig body The dimensions from the flange surface to the outer end of the mounting part at the two mounting parts Dimensioning of the mounting portion so that Kutsugaeatsu is characterized by setting the projection length of the refractory coating jig body steel material have been made. Hereinafter, a preferred embodiment of the present invention will be described with reference to the drawings. FIG. 1 and FIG. 2 show an embodiment of the second invention of the present invention.
As shown in FIG. 1, it comprises a jig body 21 and a guide 22. The jig main body 21 is formed by bending a steel wire as an elastic linear body into a substantially V-shape, and further bending both ends of the steel wire toward the base end 23 to elastically attach the flange portion 8 of the steel frame material 7. A pair of attachment portions 24 that can be attached to the vehicle are formed. Further, the guide 22 is formed by integrally fixing a flange contact portion 26 to be described later on a top of a ring portion 25 obtained by bending a steel wire as an elastic wire into an annular shape. The part 25 can be fitted. In the construction, as shown in FIG. 2, the ring portion 25 of the guide 22 was fitted to the operator's finger, and the flange contact portion 26 was brought into contact with the edge of the flange portion 8 of the steel frame 7. In this state, the jig main body 21 is fitted into the flange portion 8 from the outside, and the base end portion 23 is inserted until the base portion 23 comes into contact with the ring portion 25 of the guide 22 as shown in the figure. The dimension is set such that the distance W1 from the base end 23 to the base end 23 has a predetermined refractory coating thickness. Also, the dimensions of the mounting portion 24 are set such that the dimension W2 from the surface of the flange portion 8 to the outer end of the mounting portion 24 at the position of the two mounting portions 24, 24 of the jig body 21 also has a predetermined fireproof coating thickness. Settings have been made. Therefore, in this embodiment, it is possible to set the dimensions of the predetermined thickness of the fireproof coating with one touch only by fitting the jig body 21 to the flange portion 8, and as shown in FIG. The refractory coating material 9 may be sprayed on the surface. Further, in this embodiment, as shown in FIG. 2, when the jig 20 for fireproof coating is attached to the flange portion 8, the pair of jig bodies 21 which are elastic filaments are expanded, so that both attachment portions are opened. twenty four,
The jig main body 21, which is buried in the refractory coating material 9 after construction, is reinforced as an anchor material of the refractory coating material 9 because the 24 is urged elastically so as to sandwich the flange portion 8 from both sides. As a result, even if the thickness of the refractory coating is large, there is no possibility that the refractory coating 9 will fall off as in the related art. Next, FIGS. 3 and 4 show a first embodiment of the first invention of the present invention. The steel wire was bent into a substantially V-shape, and both ends were further bent toward the base end 31 to form a pair of mounting portions 32 that can be elastically attached to the flange portion 8 of the steel frame material 7. In addition, a stopper portion 33 is formed so as to protrude inward at a position on the distal end side of a predetermined dimension from the base end portion 31. However, in this embodiment, as shown in FIG. 4, if the jig 30 is fitted into the flange portion 8 from the outside and the stopper portion 33 is fitted to the position where the stopper portion 33 comes into contact with the edge of the flange portion 8, The dimension W1 is set so that the distance W1 from the edge of the flange portion 8 to the base end portion 31 becomes a predetermined thickness of the refractory coating, and the surface of the flange portion 8 is located at the positions of both mounting portions 32 of the jig 30. From mounting part
The dimensions of the mounting portion 32 are set so that the dimension W2 up to the outer end of 32 also has a predetermined refractory coating thickness. Thus, this embodiment can provide the same operation and effects as those of the second embodiment of the present invention, and has the advantage that the number of parts can be smaller than that of the second embodiment of the present invention. FIGS. 5 and 6 show a second embodiment according to the first invention of the present invention.
Is a method in which a steel wire as an elastic wire having a mesh shape is cut into a predetermined size, and both ends of two lateral steel wires forming a base end portion 41 are bent inward to form a pair of flange abutments. In this case, a pair of mounting portions 43, 43 are formed by forming the portions 42, 42 and bending inward of two central longitudinal steel wires. In this embodiment, as shown in FIG. 6, the mounting portion 41 of the jig 40 is fitted to the flange portion 8 from the outside, and the flange contact portion 42 is brought into contact with the edge of the flange portion 8. The dimension is set such that the distance W1 from the edge of the flange portion 8 to the base end portion 31 when inserted is a predetermined thickness of the fireproof coating. Next, FIGS. 7 and 8 show a third embodiment according to the first invention of the present invention.
Cuts a steel wire as a mesh-shaped elastic wire into a predetermined size, forms a grid-shaped center as a central portion 51, and determines the longitudinal dimension D of the central portion 51 as the width dimension of the flange portion 8. Are set to be substantially equal to each other, and of the three free ends protruding from both ends in the longitudinal direction, two filaments at both outer ends of one end are bent inward to form a pair of mounting members. Parts 52, 52 are formed, and both ends of the steel wire of the central part 51 are bent inward to form a pair of flange elastic contact parts 53, 53, respectively. The corresponding two free ends are fixed portions 54. Note that, in the present embodiment, the outer ends of the pair of flange elastic contact portions 53 are configured to correspond to the jig base end portions in the above embodiment. In this embodiment, the mounting portion 52 is fitted to the left end portion of the flange portion 8 from the left outside in FIG. 8 and is moved rightward in the state in this state, so that the flange elastic contact portions 53 at both ends are fitted to the flange. A pair of fixing portions 54 which are free ends in a state of being elastically contacting the lower surface of the portion 8 are bent toward the upper surface side of the flange portion 8, and the jig 50 is attached to the flange portion 8. At this time, the distance W1 from the edge of the flange portion 8 to the outer end of the flange elastic contact portion 53 is set so as to have a predetermined fireproof coating thickness. Thus, the second embodiment and the third embodiment according to the first invention of the present invention can also provide the same functions and effects as those of the first embodiment according to the first invention of the present invention. Note that the present invention is not limited to the above embodiments, and the gist of the present invention is that, for example, the bent shape of the steel wire as the elastic filament in each of the above embodiments can be appropriately changed according to conditions. It goes without saying that various modifications can be made without departing from the scope of the present invention. (Effect of the Invention) The first invention of the present invention is configured as described above,
A jig for setting the refractory coating thickness of the flange portion of the steel frame material to a predetermined size, which is formed of an elastic linear body, and a mounting portion which can be elastically attached to the flange portion is formed at a tip portion,
When the mounting portion is fitted to the flange portion, by setting the protruding dimension of the base end portion of the jig from the front end of the flange portion to have a predetermined fireproof coating thickness, it can be easily and quickly mounted on the steel frame material. It is possible to provide an accurate guide of the thickness of the refractory coating, and the jig buried in the refractory coating exerts an anchor effect to effectively prevent the refractory coating from peeling off. Further, the second invention of the present invention is configured as described above, and the size of the predetermined fireproof coating thickness can be set with one touch only by fitting the jig body to the flange portion via the ring portion. Yes, the refractory coating thick material may be sprayed using the jig body as a guide. According to the second aspect of the present invention, when the jig for fire-resistant coating is attached to the flange portion, the pair of jig bodies, which are elastic filaments, expand, so that both attachment portions hold the flange portion from both sides. The jig body that will be buried in the refractory coating after construction can exhibit the reinforcing effect of the refractory coating as an anchor material, and the refractory coating thickness is reduced. Even if it is large, there is no danger of the conventional fireproof covering material coming off.

【図面の簡単な説明】 第1図乃至第10図は本発明の実施例を示すものであり、
第1図は本発明の第2図の発明の一実施例の構成を示す
概念図、第2図は治具本体の突出寸法の設定方法を示す
説明図、第3図は本発明の第1の発明に係る第1実施例
の構成を示す概念図、第4図はその取付状態を示す説明
図、第5図は本発明の第1の発明に係る第2実施例の構
成を示す概念図、第6図はその取付状態を示す説明図、
第7図は本発明の第1の発明に係る第3実施例の構成を
示す概念図、第8図はその取付状態を示す説明図、第9
図乃至第12図は各々従来例を示す説明図である。 7……鉄骨材、8……フランジ部、20、30、40、50……
耐火被覆用治具、21……治具本体、22……ガイド、23…
…基端部、24……取付部、25……リング部、31……基端
部、32……取付部、33……ストッパー部、41……基端
部、42……フランジ当接部、43……取付部、51……中央
部、52……取付部、53……フランジ弾接部、54……固定
部、
BRIEF DESCRIPTION OF THE DRAWINGS FIGS. 1 to 10 show an embodiment of the present invention.
FIG. 1 is a conceptual diagram showing the configuration of an embodiment of the invention shown in FIG. 2 of the present invention, FIG. 2 is an explanatory diagram showing a method of setting the projecting dimension of the jig main body, and FIG. FIG. 4 is a conceptual diagram showing a configuration of a first embodiment according to the present invention, FIG. 4 is an explanatory diagram showing an attached state thereof, and FIG. 5 is a conceptual diagram showing a configuration of a second embodiment according to the first invention of the present invention. , FIG. 6 is an explanatory view showing the mounting state,
FIG. 7 is a conceptual diagram showing a configuration of a third embodiment according to the first invention of the present invention, FIG. 8 is an explanatory diagram showing an attached state thereof, and FIG.
12 are explanatory diagrams each showing a conventional example. 7 ... steel frame material, 8 ... flange part, 20, 30, 40, 50 ...
Jig for fireproof coating, 21… Jig body, 22… Guide, 23…
… Basic end part, 24… Attaching part, 25… Ring part, 31 …… Basic end part, 32 …… Attaching part, 33 …… Stopper part, 41 …… Basic end part, 42 …… Flange contact part , 43 mounting part, 51 central part, 52 mounting part, 53 elastic contact part, 54 fixing part,

───────────────────────────────────────────────────── フロントページの続き (72)発明者 安藤 孝 東京都千代田区岩本町3丁目10番1号 三井建設株式会社内 (72)発明者 河野 泰雄 埼玉県浦和市太田窪3―10―1 株式会 社ヨシミツー内 (56)参考文献 特開 昭49−52414(JP,A) 実開 昭62−85606(JP,U)   ────────────────────────────────────────────────── ─── Continuation of front page    (72) Inventor Takashi Ando               3-10-1 Iwamotocho, Chiyoda-ku, Tokyo               Mitsui Construction Co., Ltd. (72) Inventor Yasuo Kono               3-10-1 Ootabo, Urawa-shi, Saitama Stock Association               Yoshiyoshi Two                (56) References JP-A-49-52414 (JP, A)                 62-85606 (JP, U)

Claims (1)

(57)【特許請求の範囲】 1.鉄骨材のフランジ部の耐火被覆厚を所定寸法に設定
するための治具にして、弾性線条体からなり、先端部に
は前記フランジ部に弾性的に装着しうる取付部が形成さ
れ、前記フランジ部に取付部を嵌着した際に、治具基端
部のフランジ部先端からの突出寸法が、所定の耐火被覆
厚となるように設定されたことを特徴とする鉄骨材の耐
火被覆用治具。 2.弾性線条体としての鋼線を略V字形に折曲形成し、
その両先端部をさらに基端部側に折曲して鉄骨材のフラ
ンジ部に弾性的に装着しうる一対の取付部が形成され、
かつ、基端部から所定寸法先端側の位置にストッパー部
が内方に突出形成されてなり、フランジ部に外方から治
具が嵌合され、ストッパー部がフランジ部端縁に当接す
る位置まで嵌挿されることにより、該フランジ部端縁か
ら基端部までの距離が所定の耐火被覆厚となるように寸
法設定され、かつ、治具の両取付部の位置でフランジ部
の表面から取付部の外方端までの寸法が、同様に所定の
耐火被覆厚となるように取付部の寸法設定がなされてい
ることを特徴とする特許請求の範囲第1項記載の鉄骨材
の耐火被覆用治具。 3.メッシュ状をなす弾性線条体としての鋼線が所定寸
法に切断され、基端部を形成する2本の横方向鋼線の両
端が内方に折曲されて一対のフランジ当接部が形成さ
れ、中央の2本の縦方向鋼線が内方に折曲されて一対の
取付部が形成されてなり、治具の取付部が外方からフラ
ンジ部に嵌合され、フランジ当接部がフランジ部端縁に
当接する位置まで嵌挿されることにより、該フランジ部
端縁から基端部までの距離が、所定の耐火被覆厚となる
ように寸法設定されていることを特徴とする特許請求の
範囲第1項記載の鉄骨材の耐火被覆用治具。 4.メッシュ状をなす弾性線条体としての鋼線が所定寸
法に切断され、格子状をなす中央が中央部として形成さ
れ、該中央部の長手方向寸法がフランジ部の幅寸法に略
等しく設定され、該長手方向の両端部に突出する各3本
の自由端のうち、一方の端部の両外端の2本の線条体が
内方に折曲されて一対の取付部が形成され、中央部の鋼
線の両端部が各々内方に折曲されて一対のフランジ弾接
部が形成され、取付部と反対側端部の対応する2本の自
由端が固定部とされており、フランジ部の端部に取付部
が嵌合され、両端のフランジ弾接部がフランジ部の下面
に弾接した状態で自由端となっている一対の固定部がフ
ランジ部の上面側に折曲されて、フランジ部に取付けら
れることにより、フランジ部の端縁からフランジ弾接部
の外方端までの距離が所定の耐火被覆厚となるように設
定されていることを特徴とする特許請求の範囲第1項記
載の鉄骨材の耐火被覆用治具。 5.治具本体とガイドとからなり、治具本体は、弾性線
条体としての鋼線を略V字形に折曲形成し、その両先端
部をさらに基端部側に折曲して鉄骨材のフランジ部に弾
性的に装着しうる一対の取付部が形成され、前記ガイド
は、弾性線条体としての鋼線を円環状に折曲したリング
部の頂部にフランジ当接部が一体に固着されてなり、作
業者の指に前記ガイドのリング部を嵌着し、フランジ当
接部を鉄骨材のフランジ部の端縁に当接した状態で、外
方から前記治具本体を鉄骨材のフランジ部に嵌合し、治
具本体の基端部が、前記ガイドのリング部に当接する位
置まで挿入されることにより、該位置でフランジ部の先
端から基端部までの距離が所定の耐火被覆厚となるよう
に寸法設定され、かつ、治具本体の両取付部の位置でフ
ランジ部の表面から取付部の外方端までの寸法が同様に
所定の耐火被覆厚となるように取付部の寸法設定がなさ
れていることを特徴とする鉄骨材の耐火被覆用治具本体
の突出寸法の設定方法。
(57) [Claims] A jig for setting the fireproof coating thickness of the flange portion of the steel frame material to a predetermined size, which is formed of an elastic filament, and a tip portion is formed with a mounting portion that can be elastically attached to the flange portion, When the mounting portion is fitted to the flange portion, the projecting dimension of the base end portion of the jig from the front end of the flange portion is set so as to have a predetermined fireproof coating thickness. jig. 2. A steel wire as an elastic filament is bent into a substantially V-shape,
A pair of attachment portions are formed, which can be bent elastically at both ends thereof toward the base end side and elastically attached to the flange portion of the steel frame material,
In addition, the stopper portion is formed to protrude inward at a position on the distal end side of a predetermined dimension from the base end portion, the jig is fitted from the outside to the flange portion, and the stopper portion contacts the flange portion edge. By being fitted, the distance from the edge of the flange portion to the base end is set to have a predetermined fireproof coating thickness, and at the positions of both mounting portions of the jig, the mounting portion from the surface of the flange portion is mounted. 2. The refractory coating for steel frame material according to claim 1, wherein the dimension of the mounting portion is set so that the dimension up to the outer end of the component also has a predetermined refractory coating thickness. Utensils. 3. A steel wire as an elastic wire having a mesh shape is cut to a predetermined size, and both ends of two transverse steel wires forming a base end are bent inward to form a pair of flange contact portions. The two central longitudinal steel wires are bent inward to form a pair of mounting portions, the mounting portion of the jig is fitted to the flange portion from the outside, and the flange contact portion is formed. The distance from the flange edge to the base end is dimensioned so as to have a predetermined fireproof coating thickness by being inserted to a position where it abuts on the flange edge. 2. The jig for fire-resistant coating of a steel frame material according to claim 1. 4. A steel wire serving as a mesh-shaped elastic wire is cut to a predetermined size, a grid-shaped center is formed as a central portion, and a longitudinal dimension of the central portion is set substantially equal to a width dimension of the flange portion, Of the three free ends protruding from both ends in the longitudinal direction, two filaments at both outer ends of one end are bent inward to form a pair of mounting portions, and a center is formed. The two ends of the steel wire of the portion are bent inward to form a pair of flange elastic contact portions, and two corresponding free ends at opposite ends of the mounting portion and the opposite end are fixed portions. A pair of fixing parts, which are free ends in a state where the mounting parts are fitted to the ends of the parts and the flange elastic contact parts of both ends elastically contact the lower surface of the flange part, are bent toward the upper surface side of the flange part. , The distance from the edge of the flange to the outer end of the flange elastic contact Fireproofing jig steel material that the claims paragraph 1, wherein it is set such that the refractory coating thickness constant. 5. The jig body is formed by bending a steel wire as an elastic wire into a substantially V-shape and bending both ends of the jig body further toward the base end to form a steel frame material. A pair of attachment portions that can be elastically attached to the flange portion are formed, and the guide has a flange contact portion integrally fixed to a top portion of a ring portion obtained by bending a steel wire as an elastic wire into an annular shape. The jig body is fitted from outside to the flange of the steel member with the ring portion of the guide fitted on the operator's finger and the flange contact portion abutting against the edge of the flange portion of the steel frame material. By inserting the base end of the jig body into a position where the base end of the jig body comes into contact with the ring portion of the guide, the distance from the front end of the flange portion to the base end at this position is a predetermined value. Thickness is set so that it is thick, and it is taken from the surface of the flange Setting the projecting dimension of the refractory coating jig body steel material characterized by dimensions of up to outer end parts have been made the dimensions of the mounting portion set at a predetermined refractory coating thickness as well.
JP62219646A 1987-09-02 1987-09-02 Jig for fire-resistant coating of steel frame material and setting method of protrusion dimensions of jig body for fire-resistant coating Expired - Lifetime JP2722066B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62219646A JP2722066B2 (en) 1987-09-02 1987-09-02 Jig for fire-resistant coating of steel frame material and setting method of protrusion dimensions of jig body for fire-resistant coating

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62219646A JP2722066B2 (en) 1987-09-02 1987-09-02 Jig for fire-resistant coating of steel frame material and setting method of protrusion dimensions of jig body for fire-resistant coating

Publications (2)

Publication Number Publication Date
JPS6462539A JPS6462539A (en) 1989-03-09
JP2722066B2 true JP2722066B2 (en) 1998-03-04

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JPH048613U (en) * 1990-05-11 1992-01-27
CN100470364C (en) 2001-12-03 2009-03-18 凸版印刷株式会社 Lens array sheet, transmissive screen and rear projection display
KR101359374B1 (en) * 2013-09-30 2014-02-10 주식회사 유정플랜트 The fireproofing protection finish rod for building iron frame
JP7175683B2 (en) * 2018-09-10 2022-11-21 Ihi運搬機械株式会社 Fire-resistant coating base, fire-resistant coating base construction method, and fire-resistant coating construction method
JP2020125620A (en) * 2019-02-04 2020-08-20 清水建設株式会社 Fireproof coating material construction method, coating thickness control method and coating thickness control device

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