JP2015117508A5 - - Google Patents
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- JP2015117508A5 JP2015117508A5 JP2013261044A JP2013261044A JP2015117508A5 JP 2015117508 A5 JP2015117508 A5 JP 2015117508A5 JP 2013261044 A JP2013261044 A JP 2013261044A JP 2013261044 A JP2013261044 A JP 2013261044A JP 2015117508 A5 JP2015117508 A5 JP 2015117508A5
- Authority
- JP
- Japan
- Prior art keywords
- hole
- foamable resin
- sides
- resin sheet
- thermally foamable
- 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.)
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- 239000011347 resin Substances 0.000 claims description 26
- 229920005989 resin Polymers 0.000 claims description 26
- 229910000831 Steel Inorganic materials 0.000 claims description 12
- 239000010959 steel Substances 0.000 claims description 12
- 230000001070 adhesive Effects 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 4
- 239000003522 acrylic cement Substances 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 210000001565 ALC Anatomy 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000004745 nonwoven fabric Substances 0.000 description 2
Description
１．ウェブプレートに貫通孔を有する鉄骨梁の被覆構造体であり、
ウェブプレート両面に、貫通孔を塞ぐように熱発泡性樹脂シートが被覆され、少なくとも貫通孔の開孔縁の内側近傍において、両面の熱発泡性樹脂シートが一体化された領域を形成していることを特徴とする被覆構造体。
２．ウェブプレートに貫通孔を有する鉄骨梁の被覆構造体であり、
ウェブプレート両面に、貫通孔を塞ぐように熱発泡性樹脂シートが被覆され、少なくとも貫通孔の開孔縁の内側近傍において、両面の熱発泡性樹脂シートが一体化された領域を形成しており、
さらに上記一体化された領域よりも内側に、切り込み部または開孔部を有することを特徴とする被覆構造体。
３．ウェブプレートに貫通孔を有する鉄骨梁の両面に、それぞれ接着層を介して熱発泡性樹脂シートを被覆する第１工程、
少なくとも貫通孔の開孔縁の内側近傍において、両面の熱発泡性樹脂シートを一体化する第２工程、
を含む１．に記載の被覆構造体の施工方法。
４．ウェブプレートに貫通孔を有する鉄骨梁の両面に、それぞれ接着層を介して熱発泡性樹脂シートを被覆する第１工程、
少なくとも貫通孔の開孔縁の内側近傍において、両面の熱発泡性樹脂シートを一体化する第２工程、
上記貫通孔の開孔縁の内側近傍よりも内側の熱発泡性樹脂シートに、切り込み部または開孔部を形成する第３工程、
を含む２．に記載の被覆構造体の施工方法。
1. A steel beam covering structure having a through hole in a web plate,
The both sides of the web plate are covered with a thermally foamable resin sheet so as to close the through hole, and at least in the vicinity of the inside of the opening edge of the through hole, an area where the thermally foamable resin sheets on both sides are integrated is formed. The covering structure characterized by the above-mentioned.
2. A steel beam covering structure having a through hole in a web plate,
Both sides of the web plate are covered with a heat-foamable resin sheet so as to close the through-hole, and at least in the vicinity of the inside of the opening edge of the through-hole, an area where the both sides of the heat-foamable resin sheet are integrated is formed. ,
Furthermore, it has a cut | notch part or an opening part inside the said integrated area | region, The covering structure characterized by the above-mentioned.
3. A first step of covering the both sides of a steel beam having a through hole in the web plate with a thermally foamable resin sheet via an adhesive layer,
A second step of integrating the thermally foamable resin sheets on both sides at least in the vicinity of the inside of the opening edge of the through-hole,
Including 1. Construction method of covering structure as described in 2.
4). A first step of covering the both sides of a steel beam having a through hole in the web plate with a thermally foamable resin sheet via an adhesive layer,
A second step of integrating the thermally foamable resin sheets on both sides at least in the vicinity of the inside of the opening edge of the through-hole,
A third step of forming a cut portion or an opening in the thermally foamable resin sheet inside the vicinity of the inside of the opening edge of the through hole;
Including 2. Construction method of covering structure as described in 2.
（試験例１）
床板（ＡＬＣ板）にＨ型鉄骨（Ｈ４００×２００×８×１３ｍｍ、長さ１２００ｍｍ、貫通孔φ２００ｍｍ）を設置した。作製した熱発泡性樹脂シートのガラス不織布側がＨ型鉄骨側とし、貫通孔を塞ぐように熱発泡性樹脂シートをアクリル系接着剤で貼り付けた。また、熱発泡性樹脂シート同士の継ぎ目部分は、重なり幅２０ｍｍとなるようにアクリル系接着剤で貼り付けた。同時に、両面の熱発泡性樹脂シートを、貫通孔部分の全面領域で一体化した。
次いで、貫通孔の開孔中心近傍（貫通孔の開孔縁から切り込みの端部までの距離２０ｍｍ）に切り込み部を形成した。以上より、図４に例示される被覆構造体を得た。
上記被覆構造体の貫通孔部分に、スリーブ管（スパイラル管、φ１００×１０００ｍｍ）を挿通したものを試験体とした。作製した試験体につき、ＩＳＯ８３４の標準加熱曲線に準じて１時間加熱試験を行った。その結果、貫通孔部分においても均一な炭化断熱層が形成され、良好な耐熱保護性能を示した。
(Test Example 1)
An H-shaped steel frame (H400 × 200 × 8 × 13 mm, length 1200 mm, through hole φ200 mm) was installed on the floor plate (ALC plate). The glass foam nonwoven fabric side of the produced thermally foamable resin sheet was the H-type steel frame side, and the thermally foamable resin sheet was affixed with an acrylic adhesive so as to close the through hole. Moreover, the seam part between heat-foamable resin sheets was affixed with the acrylic adhesive so that it might become the overlap width 20mm. At the same time, the thermally foamable resin sheets on both sides were integrated in the entire area of the through hole portion.
Next, a cut portion was formed in the vicinity of the opening center of the through hole (distance 20 mm from the opening edge of the through hole to the end of the cut). From the above, the covering structure illustrated in FIG. 4 was obtained.
A test tube was formed by inserting a sleeve tube (spiral tube, φ100 × 1000 mm) into the through-hole portion of the covering structure. The prepared test specimen was subjected to a heating test for 1 hour in accordance with a standard heating curve of ISO834. As a result, a uniform carbonized heat insulating layer was formed even in the through-hole portion, and good heat-resistant protection performance was exhibited.
（試験例２）
床板（ＡＬＣ板）にＨ型鉄骨（Ｈ４００×２００×８×１３ｍｍ、長さ１２００ｍｍ、貫通孔φ２００ｍｍ）を設置した。作製した熱発泡性樹脂シートのガラス不織布側がＨ型鉄骨側とし、貫通孔を塞ぐように熱発泡性樹脂シートをアクリル系接着剤で貼り付けた。また、熱発泡性樹脂シート同士の継ぎ目部分は、重なり幅２０ｍｍとなるようにアクリル系接着剤で貼り付けた。同時に、両面の熱発泡性樹脂シートを、貫通孔部分の全面領域で一体化した。
次いで、貫通孔の開孔中心近傍に円形の開孔部を形成した（貫通孔の開孔縁から開孔部までの距離２０ｍｍ）。以上より、図６に例示される被覆構造体を得た。
上記被覆構造体の貫通孔部分に、スリーブ管（スパイラル管、φ１００×１０００ｍｍ）を挿通したものを試験体とした。作製した試験体につき、ＩＳＯ８３４の標準加熱曲線に準じて１時間加熱試験を行った。その結果、貫通孔部分においても均一な炭化断熱層が形成され、良好な耐熱保護性能を示した。
(Test Example 2)
An H-shaped steel frame (H400 × 200 × 8 × 13 mm, length 1200 mm, through hole φ200 mm) was installed on the floor plate (ALC plate). The glass foam nonwoven fabric side of the produced thermally foamable resin sheet was the H-type steel frame side, and the thermally foamable resin sheet was affixed with an acrylic adhesive so as to close the through hole. Moreover, the seam part between heat-foamable resin sheets was affixed with the acrylic adhesive so that it might become the overlap width 20mm. At the same time, the thermally foamable resin sheets on both sides were integrated in the entire area of the through hole portion.
Next, a circular opening was formed in the vicinity of the opening center of the through hole (distance 20 mm from the opening edge of the through hole to the opening). From the above, the covering structure illustrated in FIG. 6 was obtained.
A test tube was formed by inserting a sleeve tube (spiral tube, φ100 × 1000 mm) into the through-hole portion of the covering structure. The prepared test specimen was subjected to a heating test for 1 hour in accordance with a standard heating curve of ISO834. As a result, a uniform carbonized heat insulating layer was formed even in the through-hole portion, and good heat-resistant protection performance was exhibited.
Claims (4)
ウェブプレート両面に、貫通孔を塞ぐように熱発泡性樹脂シートが被覆され、少なくとも貫通孔の開孔縁の内側近傍において、両面の熱発泡性樹脂シートが一体化された領域を形成していることを特徴とする被覆構造体。 A steel beam covering structure having a through hole in a web plate,
The both sides of the web plate are covered with a thermally foamable resin sheet so as to close the through hole, and at least in the vicinity of the inside of the opening edge of the through hole, an area where the thermally foamable resin sheets on both sides are integrated is formed. The covering structure characterized by the above-mentioned.
ウェブプレート両面に、貫通孔を塞ぐように熱発泡性樹脂シートが被覆され、少なくとも貫通孔の開孔縁の内側近傍において、両面の熱発泡性樹脂シートが一体化された領域を形成しており、
さらに上記一体化された領域よりも内側に、切り込み部または開孔部を有することを特徴とする被覆構造体。 A steel beam covering structure having a through hole in a web plate,
Both sides of the web plate are covered with a heat-foamable resin sheet so as to close the through-hole, and at least in the vicinity of the inside of the opening edge of the through-hole, an area where the both sides of the heat-foamable resin sheet are integrated is formed. ,
Furthermore, it has a cut | notch part or an opening part inside the said integrated area | region, The covering structure characterized by the above-mentioned.
少なくとも貫通孔の開孔縁の内側近傍において、両面の熱発泡性樹脂シートを一体化する第２工程、A second step of integrating the thermally foamable resin sheets on both sides at least in the vicinity of the inside of the opening edge of the through-hole,
を含む請求項１に記載の被覆構造体の施工方法。The construction method of the covering structure of Claim 1 containing this.
少なくとも貫通孔の開孔縁の内側近傍において、両面の熱発泡性樹脂シートを一体化する第２工程、A second step of integrating the thermally foamable resin sheets on both sides at least in the vicinity of the inside of the opening edge of the through-hole,
上記貫通孔の開孔縁の内側近傍よりも内側の熱発泡性樹脂シートに、切り込み部または開孔部を形成する第３工程、A third step of forming a cut portion or an opening in the thermally foamable resin sheet inside the vicinity of the inside of the opening edge of the through hole;
を含む請求項２に記載の被覆構造体の施工方法。The construction method of the covering structure of Claim 2 containing this.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013261044A JP6634198B2 (en) | 2013-12-18 | 2013-12-18 | Coating structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013261044A JP6634198B2 (en) | 2013-12-18 | 2013-12-18 | Coating structure |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2019185574A Division JP6871336B2 (en) | 2019-10-09 | 2019-10-09 | Cover structure |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2015117508A JP2015117508A (en) | 2015-06-25 |
| JP2015117508A5 true JP2015117508A5 (en) | 2017-01-19 |
| JP6634198B2 JP6634198B2 (en) | 2020-01-22 |
Family
ID=53530497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2013261044A Active JP6634198B2 (en) | 2013-12-18 | 2013-12-18 | Coating structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP6634198B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6987200B2 (en) * | 2019-10-09 | 2021-12-22 | 株式会社エフコンサルタント | Construction method of the covering structure |
| JP6871336B2 (en) * | 2019-10-09 | 2021-05-12 | 株式会社エフコンサルタント | Cover structure |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0860763A (en) * | 1994-08-20 | 1996-03-05 | Ig Tech Res Inc | Fire-resistant covered skeleton |
| GB0123136D0 (en) * | 2001-09-26 | 2001-11-14 | Fabsec Ltd | Structural Beam |
| JP5141592B2 (en) * | 2009-02-23 | 2013-02-13 | 積水ハウス株式会社 | Refractory coating structure in the pipe insertion part of the beam |
-
2013
- 2013-12-18 JP JP2013261044A patent/JP6634198B2/en active Active
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