JPS6010065A - Crack preventing apparatus of concrete around embedded metalby welding heat - Google Patents
Crack preventing apparatus of concrete around embedded metalby welding heatInfo
- Publication number
- JPS6010065A JPS6010065A JP11619483A JP11619483A JPS6010065A JP S6010065 A JPS6010065 A JP S6010065A JP 11619483 A JP11619483 A JP 11619483A JP 11619483 A JP11619483 A JP 11619483A JP S6010065 A JPS6010065 A JP S6010065A
- Authority
- JP
- Japan
- Prior art keywords
- concrete
- welding heat
- metalby
- preventing apparatus
- crack preventing
- 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.)
- Granted
Links
- 239000004567 concrete Substances 0.000 title claims description 19
- 238000003466 welding Methods 0.000 title description 8
- 239000002184 metal Substances 0.000 description 10
- 229910052751 metal Inorganic materials 0.000 description 10
- 238000005336 cracking Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229920006328 Styrofoam Polymers 0.000 description 2
- 238000009415 formwork Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 239000008261 styrofoam Substances 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 238000004078 waterproofing Methods 0.000 description 1
Landscapes
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
本発明は鉄筋コンクリート、鉄・針鉄筋コンクリート構
造物に埋設される各種の埋込金物の溶接による周辺コン
クＩＪ −トのひび割れ防止装置に係るものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a device for preventing cracks in peripheral concrete IJ-t by welding various types of metal fittings buried in reinforced concrete or iron/needle reinforced concrete structures.
従来、第１図に示すようにコンクリート躯体（１）に埋
込金物（２）を埋設し、同金物（２］に配管、空調機械
、その他の機器船の取付金具（用、冶具を溶接（ｗ）す
る場合、溶接熱によって押込金物（２）が膨張し、周辺
コンクリート部にひひ削れ、剥離が生起する。Conventionally, as shown in Figure 1, embedded metal fittings (2) are buried in a concrete frame (1), and fittings (for fittings and jigs for piping, air conditioning equipment, and other equipment on ships) are welded to the metal fittings (2). In the case of w), the push-in hardware (2) expands due to welding heat, causing cracking and peeling of the surrounding concrete.
このような場合、剥〜１１部（４）を清浄にし、更にモ
ルタル補修が必要である。堕装終了後の内装工事では下
地処理から実施しなければならず、外枠の場合には防水
上の処置を施す必要があり、工ｆｊ″上、労務上類る不
利であった。In such a case, it is necessary to clean the stripped part (4) and repair the mortar. In the interior work after the completion of the renovation, it was necessary to start with the groundwork, and in the case of the outer frame, waterproofing measures had to be taken, which was a disadvantage in terms of construction and labor.
本発明はこのような問題点を解決するために提案された
ものであって、コンクリート個体に埋設された埋込金物
の周辺に凹溝を設けてなることを特徴とする溶接熱によ
る埋込金物周辺コンクリートのひび割防止装置に係るも
のである。The present invention has been proposed in order to solve these problems, and provides an embedded metal fitting by welding heat, which is characterized in that a concave groove is provided around the embedded metal piece buried in solid concrete. This relates to a device to prevent cracks in surrounding concrete.
本発明においては前記したように、コンクリート躯体に
埋設された押込金物の周辺に凹五Ｇが設けられているの
で、同凹溝の存在によって押込金物が自由に膨張でき、
溶接による熱応力が綴和さｉ＋、コンクリート部のひび
割れ、剥翻を防止しうるものである。In the present invention, as described above, since the recess 5G is provided around the push-in hardware embedded in the concrete body, the presence of the groove allows the push-in hardware to expand freely.
The thermal stress caused by welding can prevent the concrete from cracking and peeling.
以下本発明を図示の実ｉ！１Ｔｉｉ例について待１明す
る１、第２図及び第６図に示すように、コンクリート躯
体（１υに押込金物（１２＋を埋設する際、同１埋込金
物（１４埋設部周辺に同◇物０乃の厚さと口腔で幅５〜
１０ＩｔＩｊ・の発泡スチロール材α３）等をコンクリ
ート＋Ｊ設置１゛Ｊに移動しないように型枠（１４＋に
固定し、コンクリ−１・打設後、前記発泡スチロール材
０３）を除去して埋込金物（１２１周辺のコンクリート
躯体０１）に凹溝を設けるものである。Hereinafter, the present invention will be illustrated in detail. As shown in Figure 2 and Figure 6, when embedding a metal fitting (12+) in a concrete frame (1υ), the same ◇ piece 0 is placed around the buried part of the same 1 The thickness of the nose and the width of the mouth are 5~
Styrofoam material α3) etc. of 10ItIj. is fixed to the formwork (14+) so that it does not move to concrete + J installation 1゛J. After concrete 1. A groove is provided in the surrounding concrete frame 01).
従って前記凹溝によって埋込金物（１２）は溶接時にお
いて自由に膨張し、溶接熱による応力が緩和され、コン
クリート躯体（１１）にひび割れ、剥離を招来する惧れ
かない。Therefore, due to the groove, the embedded metal fitting (12) freely expands during welding, and the stress caused by welding heat is relaxed, leading to cracking and peeling of the concrete body (11).
第４図及び第５図は本発明の他の実施例を示し、躯体コ
ンクリートを打設したのち、埋込金物ａ渇の周辺に幅−
１０鼎、埋込金物（１２）の板厚と同等の厚さを有する
凹溝０ωを穿設する。Figures 4 and 5 show another embodiment of the present invention, in which after concrete is poured for the building frame, a width
10. A groove 0ω having a thickness equivalent to the plate thickness of the embedded metal fitting (12) is bored.
以上本発明を実施例について説明したが、本発明は物論
このような実施例にだけ局限されるものではなく、本発
明の精神を逸脱しない範囲内で種々の設言１の改変を施
しうるものである。Although the present invention has been described above with reference to embodiments, the present invention is not limited to such embodiments, and various modifications of Proposition 1 may be made without departing from the spirit of the present invention. It is something.
【図面の簡単な説明】
第１図は従来のコンクリート躯体における埋込金物の埋
込部を示す縦断倶ｊ面図、第２図は本発明に係る溶接熱
による埋込金物周辺コンクリートのひび割れ防止装置の
一芙施例を示す縦断側面図、第６図は第２図の矢視ト（
図、第４図は本づ１゛明の他の実施例を示す縦断側面図
、第５図は卯４図の矢視■−ｖ図である。
（ＩＩ）・・・コンクリート躯体、θか・・埋込金物、
（１３）・・・発泡スチロール材、（［４）・・・型枠
、（１９・・・凹溝代理人 弁理士 岡 坤 重 文タ
１６名第１図
築２０
築４回[Brief explanation of the drawings] Fig. 1 is a vertical cross-sectional view showing the embedded part of the embedded metal in a conventional concrete frame, and Fig. 2 is the prevention of cracking of concrete around the embedded metal due to welding heat according to the present invention. A vertical side view showing one embodiment of the device, FIG. 6 is shown in the direction of the arrow (
4 is a longitudinal sectional side view showing another embodiment of the present invention, and FIG. 5 is a view taken along arrows 1--v in FIG. (II)...Concrete frame, θ...Embedded hardware,
(13)...Styrofoam material, ([4)...Formwork, (19...Konomizo Patent attorney Fumita Oka 16 persons 1st drawing 20th construction 4th construction
Claims (1)
設けてなることを特徴とする＃抜熱によるｊｊｌ込金物
周辺コンクリートのひび割れ防止装置。#A device for preventing cracks in concrete around jjl fittings due to heat removal, characterized by providing a concave groove around the fittings buried in the concrete body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11619483A JPS6010065A (en) | 1983-06-29 | 1983-06-29 | Crack preventing apparatus of concrete around embedded metalby welding heat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11619483A JPS6010065A (en) | 1983-06-29 | 1983-06-29 | Crack preventing apparatus of concrete around embedded metalby welding heat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6010065A true JPS6010065A (en) | 1985-01-19 |
| JPH028103B2 JPH028103B2 (en) | 1990-02-22 |
Family
ID=14681159
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11619483A Granted JPS6010065A (en) | 1983-06-29 | 1983-06-29 | Crack preventing apparatus of concrete around embedded metalby welding heat |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6010065A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0425488U (en) * | 1990-06-20 | 1992-02-28 | ||
| JPH0452706U (en) * | 1990-09-12 | 1992-05-06 |
-
1983
- 1983-06-29 JP JP11619483A patent/JPS6010065A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH028103B2 (en) | 1990-02-22 |
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