JPH0343540A - Method of construction for fixedly embedding bar steel using filling adhesive having expansibility of inorganic system water mold - Google Patents
Method of construction for fixedly embedding bar steel using filling adhesive having expansibility of inorganic system water moldInfo
- Publication number
- JPH0343540A JPH0343540A JP17882089A JP17882089A JPH0343540A JP H0343540 A JPH0343540 A JP H0343540A JP 17882089 A JP17882089 A JP 17882089A JP 17882089 A JP17882089 A JP 17882089A JP H0343540 A JPH0343540 A JP H0343540A
- Authority
- JP
- Japan
- Prior art keywords
- adhesive
- hole
- filling
- insertion hole
- filling adhesive
- 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.)
- Pending
Links
- 239000000853 adhesive Substances 0.000 title claims abstract description 23
- 230000001070 adhesive effect Effects 0.000 title claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 21
- 239000010959 steel Substances 0.000 title claims abstract description 21
- 238000010276 construction Methods 0.000 title claims abstract description 6
- 238000000034 method Methods 0.000 title claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title abstract description 5
- 239000000463 material Substances 0.000 claims abstract description 5
- 238000005553 drilling Methods 0.000 claims abstract description 3
- 239000004568 cement Substances 0.000 claims description 2
- 239000000945 filler Substances 0.000 claims 2
- 238000003780 insertion Methods 0.000 abstract description 12
- 230000037431 insertion Effects 0.000 abstract description 12
- 238000002347 injection Methods 0.000 abstract description 6
- 239000007924 injection Substances 0.000 abstract description 6
- 238000005406 washing Methods 0.000 abstract 1
- 239000003822 epoxy resin Substances 0.000 description 4
- 229920000647 polyepoxide Polymers 0.000 description 4
- 230000007423 decrease Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
Landscapes
- Joining Of Building Structures In Genera (AREA)
- Standing Axle, Rod, Or Tube Structures Coupled By Welding, Adhesion, Or Deposition (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
Description
【発明の詳細な説明】
従来の穿孔による棒鋼の埋込固定工法には、エポキシ樹
脂系の接着材が主として採用されているが、以下述べる
ような問題点が指摘されていた。DETAILED DESCRIPTION OF THE INVENTION In the conventional drilling method for embedding and fixing steel bars, epoxy resin-based adhesives have been mainly used, but the following problems have been pointed out.
（１） エポキシ樹脂系の充填接着材は、夏期又は、
ｌ孔当りの注入量が多いと硬化時に発熱し品質が劣化し
、所定の接着強度かえられない。(1) Epoxy resin-based filling adhesives are used during summer or
If the injection amount per hole is too large, heat will be generated during curing, the quality will deteriorate, and it will not be possible to achieve the desired adhesive strength.
（２） コンクリートが湿潤状態であると、エポキシ
系樹脂は接着性能が低下する。(2) When concrete is wet, the adhesive performance of epoxy resin decreases.
（３）エポキシ樹脂系接着材は、６０’Ｃ以上に上昇す
ると強度が低下し、かつ可燃性である。(3) Epoxy resin adhesives lose their strength when the temperature rises above 60'C and are flammable.
（４）無醸セメント系の接着材に比べて非常に高価であ
る。(4) It is much more expensive than non-breathing cement-based adhesives.
（５）二液混合後の可使時間が短い為に施工性に劣る。(5) Workability is poor due to short pot life after mixing the two components.
以上の点を考慮して、安価で、耐火性に優れ、かつａ層
状態でも施工性の良い工法、及び材料が開発出来ないも
のかと言う声が現場では大であった。Taking the above points into consideration, there were many voices in the field asking whether it would be possible to develop a construction method and material that is inexpensive, has excellent fire resistance, and has good workability even in the A-layer state.
本工法は、その要望に答えて開発した工法である。This construction method was developed in response to this request.
以下その工法について順を追って説明する。The construction method will be explained step by step below.
Ｏ埋込固定するコンクリート面６の所定の位置に、コン
クリートドリルを用いて棒鋼挿入孔１の穿孔を行う。A concrete drill is used to drill a steel bar insertion hole 1 at a predetermined position on the concrete surface 6 where O is to be embedded and fixed.
■ 棒鋼挿入孔ｌの内部の削り屑を除去し、水洗いを行
うと同時に孔内壁を湿潤状態にする。■ Remove the shavings inside the steel bar insertion hole l, wash it with water, and at the same time keep the hole inner wall moist.
■ 注入ガン先端パイプ２を棒鋼挿入孔ｌの奥部に挿入
し、先端部から無機系水硬型の膨張性を有する接着材を
３札内に注入充填する。(2) Insert the injection gun tip pipe 2 into the deep part of the steel bar insertion hole 1, and inject and fill the inorganic hydraulic type expandable adhesive into the three tags from the tip.
■ 棒鋼４を挿入孔ｔに貫入し固定する。■ Insert the steel bar 4 into the insertion hole t and fix it.
第１図は、棒鋼挿入孔の穿孔完了断面図である。
第２図は、棒鋼挿入孔に接着材を注入充填している途中
の断面図である。
第３図は、注入材が充填された挿入孔に棒鋼を貫入固定
した断面図である。
１は 棒鋼の挿入孔である
２は 充填接着材の注入ガンの先端パイプである
３は 孔内に充填された注入接着材である４は 挿入孔
内に貫入固定された棒鋼である５は コンクリート躯体
である
６は 棒鋼を埋込固定するコンクリートの表面である
第
図
第
図FIG. 1 is a sectional view of the completed steel bar insertion hole. FIG. 2 is a cross-sectional view of the adhesive being injected and filled into the steel bar insertion hole. FIG. 3 is a sectional view of a steel bar inserted and fixed into an insertion hole filled with injection material. 1 is the insertion hole for the steel bar. 2 is the tip pipe of the injection gun for filling adhesive. 3 is the injection adhesive filled in the hole. 4 is the steel bar inserted into the insertion hole and fixed. 5 is the concrete. Figure 6, which is the frame, is the concrete surface where the steel bars are embedded and fixed.
Claims (4)
工程、及び棒状の鋼材を挿入設置する工程よりなる特許
請求範囲第１項記載の無機系水硬型の膨張性を有する充
填接着材を用いた棒鋼の埋込固定工法(1) Using the inorganic hydraulic type expandable filling adhesive described in claim 1, which comprises the steps of drilling a hole in concrete, filling with adhesive, and inserting and installing a rod-shaped steel material. Embedded fixing method for steel bars
性を有する特許請求範囲第１項記載の無機系水硬型の膨
張性を有する充填接着材を用いた棒鋼の埋込固定工法(2) Embedding and fixing of a steel bar using an inorganic hydraulic type expandable filling adhesive as set forth in claim 1, wherein the filling adhesive is cement-based, hydraulic type, and expandable. construction method
によって、棒鋼の引き抜き力に抵抗する機能を有する特
許請求範囲第１項記載の無機系水硬型の膨張性を有する
充填接着材を用いた棒鋼の埋込固定工法(3) An inorganic hydraulic type expandable filling adhesive according to claim 1, which has the function of resisting the pull-out force of the steel bar by having the filling adhesive properly expand and solidify in the hole. Embedded fixing method for steel bars using
性の接着材を用いた特許請求範囲第１項記載の無機系水
硬型の膨張性を有する充填接着材を用いた棒鋼の埋込固
定工法(4) A steel bar using an inorganic hydraulic type filler adhesive having expandability as described in claim 1, in which the filler adhesive is an expandable adhesive with almost no shrinkage, which is close to zero. Embedded fixing method
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17882089A JPH0343540A (en) | 1989-07-10 | 1989-07-10 | Method of construction for fixedly embedding bar steel using filling adhesive having expansibility of inorganic system water mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17882089A JPH0343540A (en) | 1989-07-10 | 1989-07-10 | Method of construction for fixedly embedding bar steel using filling adhesive having expansibility of inorganic system water mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0343540A true JPH0343540A (en) | 1991-02-25 |
Family
ID=16055234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17882089A Pending JPH0343540A (en) | 1989-07-10 | 1989-07-10 | Method of construction for fixedly embedding bar steel using filling adhesive having expansibility of inorganic system water mold |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0343540A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006249908A (en) * | 2004-08-11 | 2006-09-21 | Hamashima Bussan:Kk | Cone-shaped hole cap and method of filling in cone-shaped hole |
| JP2010013858A (en) * | 2008-07-03 | 2010-01-21 | Kajima Corp | Anchoring method for shear reinforcement material |
| JP2015040407A (en) * | 2013-08-21 | 2015-03-02 | 住友大阪セメント株式会社 | Post-installed anchor construction method |
-
1989
- 1989-07-10 JP JP17882089A patent/JPH0343540A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006249908A (en) * | 2004-08-11 | 2006-09-21 | Hamashima Bussan:Kk | Cone-shaped hole cap and method of filling in cone-shaped hole |
| JP2010013858A (en) * | 2008-07-03 | 2010-01-21 | Kajima Corp | Anchoring method for shear reinforcement material |
| JP2015040407A (en) * | 2013-08-21 | 2015-03-02 | 住友大阪セメント株式会社 | Post-installed anchor construction method |
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