JPH02183049A - Curing method of concrete column - Google Patents
Curing method of concrete columnInfo
- Publication number
- JPH02183049A JPH02183049A JP213689A JP213689A JPH02183049A JP H02183049 A JPH02183049 A JP H02183049A JP 213689 A JP213689 A JP 213689A JP 213689 A JP213689 A JP 213689A JP H02183049 A JPH02183049 A JP H02183049A
- Authority
- JP
- Japan
- Prior art keywords
- concrete
- water
- column
- sheet
- poured
- 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
- 239000004567 concrete Substances 0.000 title claims abstract description 51
- 238000001723 curing Methods 0.000 title claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000000034 method Methods 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 abstract description 6
- 238000000576 coating method Methods 0.000 abstract description 6
- 238000001704 evaporation Methods 0.000 abstract description 2
- 230000008020 evaporation Effects 0.000 abstract description 2
- 230000008602 contraction Effects 0.000 abstract 2
- 238000009736 wetting Methods 0.000 abstract 1
- 238000009415 formwork Methods 0.000 description 10
- 238000001035 drying Methods 0.000 description 7
- 239000006260 foam Substances 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- 230000000717 retained effect Effects 0.000 description 3
- 238000005336 cracking Methods 0.000 description 2
- 235000008375 Decussocarpus nagi Nutrition 0.000 description 1
- 244000309456 Decussocarpus nagi Species 0.000 description 1
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 1
- 239000004677 Nylon Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011372 high-strength concrete Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Landscapes
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は建造物の躯体工事において柱のコンクリートを
打設し、同社の型枠を解体したのち、柱コンクリートの
強度を促進させるためのコンクリート柱の養生方法に係
るものである。[Detailed Description of the Invention] (Industrial Application Field) The present invention is a method of pouring concrete for columns in the framework construction of a building, and after dismantling the formwork of the company, concrete is used to increase the strength of the column concrete. This relates to the method of curing pillars.
（従来の技術）
従来、建造物の躯体工事においては、柱、梁、壁、床と
夫々の部位に鉄筋を配筋して型枠を組立て、同各型枠内
にコンクリートを打設し、同各型枠を所要の存置期間が
経過したのち解体するのが一般的である。(Conventional technology) Conventionally, in building frame work, reinforcing bars are arranged in columns, beams, walls, and floors, formwork is assembled, concrete is poured into each formwork, and concrete is poured into each formwork. It is common for each type of formwork to be dismantled after the required retention period has elapsed.
また柱の一部を現場打コンクリートで施工し、梁や床を
２０部材で構成する工業化された施工法が行なわれてい
る。この場合も前記と同様に、柱型枠を所要の存置期間
経過したのち解体して、梁や床の２０部材を架構しなが
ら順次上層階を構築し、梁や床をＰＣ化して現場作業の
省力化と工期の短縮を図っていた。In addition, an industrialized construction method is being used in which some of the pillars are constructed using cast-in-place concrete, and the beams and floor are made up of 20 members. In this case as well, the column formwork will be dismantled after the required period has elapsed, and the upper floors will be built one by one while constructing the 20 members of the beams and floors. The aim was to save labor and shorten the construction period.
（発明が解決しようとする課題）
しかしながら柱を現場打コンクリートで施工し、梁や床
をＰＣ化した施工法を採用した場合、従来のコンクリー
ト強度以上の高強度コンクリートを使用すると、前記柱
コンクリートは短期間に初期強度を発現し、早期に柱型
枠を解体することができるが、型枠を除去すると柱コン
クリート面が外気に露出し、急速な乾燥と硬化とによっ
て長期的に設計強度に達しなかったり、乾燥収縮による
ひび割れが生じるという問題点があった。(Problem to be solved by the invention) However, when a construction method is adopted in which columns are constructed using cast-in-place concrete and beams and floors are made of PC, if high-strength concrete that is higher than the strength of conventional concrete is used, the column concrete will The initial strength is developed in a short period of time, and the column formwork can be dismantled at an early stage, but when the formwork is removed, the column concrete surface is exposed to the outside air, and the design strength is reached over a long period of time due to rapid drying and curing. There were problems in that the drying shrinkage caused cracks.
本発明は前記従来技術の有する問題点に鑑みて提案され
たもので、その目的とする処は、柱コンクリートの設計
強度を確保し、乾燥収縮によるひび割れを防止し、型枠
の早期除去を可能ならしめるコンクリート柱の養生方法
を堤供する点にある。The present invention was proposed in view of the problems of the prior art, and its objectives are to ensure the design strength of column concrete, prevent cracks due to drying shrinkage, and enable early removal of formwork. The point is to provide a curing method for concrete columns that will be leveled.
（課題を解決するための手段）
前記の目的を達成するため、本発明に係るコンクリート
柱の養生方法は、柱コンクリート打設後、同打設コンク
リート面を、内側面に保水層が層着された被覆シートで
泡層し、同シートと前記打設コンクリート面との間に注
水することを特徴とするものである。(Means for Solving the Problems) In order to achieve the above object, the method for curing concrete columns according to the present invention includes, after pouring concrete for the column, a water-retaining layer is deposited on the inner surface of the poured concrete. The method is characterized in that a foam layer is formed using a covered sheet, and water is poured between the sheet and the surface of the poured concrete.
なお前記被覆シートは、柱コンクリート表面をａ潤にす
るため、防水シートの内側面に保水層が層着され、且つ
注水口が設けられるとよい。In order to keep the surface of the column concrete moist, it is preferable that the covering sheet has a water retaining layer layered on the inner surface of the waterproof sheet and is provided with a water inlet.
また前記被覆シートは、両端縁に同シートの連綴部を設
けて柱コンクリートを泡層できるように構成されるとよ
い。Further, the covering sheet may be configured such that a continuous portion of the same sheet is provided on both edges so that the pillar concrete can be covered with a foam layer.
（作用）
本発明の方法によれば前記したように、柱コンクリート
面を、内側面に保水層が層着された被覆シートで泡層し
て外気との接触を遮断し、同被覆シートと柱コンクリー
ト面との間に注水することによって、同注水を前記被覆
シートの保水層によって保持し、柱コンクリート面を温
潤状態に保持して、同面からの象速な水分の茎発を防止
するものである。(Function) According to the method of the present invention, as described above, the concrete surface of the column is covered with a foam layer with a covering sheet having a water-retaining layer layered on the inner surface to block contact with outside air, and By injecting water between the columns and the concrete surface, the water is retained by the water-retaining layer of the covering sheet, and the concrete surface of the column is kept in a warm state, thereby preventing water from rapidly escaping from the same surface. It is something.
（実施例） 以下本発明を回示の実施例について説明する。(Example) The present invention will be described below with reference to some embodiments.
囚は被覆シートで、ビニル、ナイロン、ポリプロピレン
等の高分子合成材料よりなる防水シート（１）の内面に
、厚みのあるウレタンフオームの如き保水層（２）を層
着して構成されている。更に被覆シートｈには注水口（
３）が設けられている。The cover sheet is composed of a water-retaining layer (2) such as a thick urethane foam layered on the inner surface of a waterproof sheet (1) made of a polymeric synthetic material such as vinyl, nylon, or polypropylene. Furthermore, the covering sheet h has a water inlet (
3) is provided.
被覆シート人の一端縁外側面には、夫々係止孔（４）が
列設された互いに平行する複数の帯条片（５）が固着さ
れ、他端縁にはアングル状帯条片（６）の−側片が固着
され、他側片には前記係止孔（４）に係脱する係止ビン
（７）が突設されている。A plurality of parallel strips (5) each having a row of locking holes (4) are fixed to the outer surface of one edge of the covering sheet, and an angular strip (6) is fixed to the other edge of the cover sheet. ) is fixed, and the other side piece has a locking pin (7) protruding from the locking hole (4).
なお前記係止孔（４）を有する帯条片（５）を、係止ビ
ン（７）を有する帯条片（６）とによって前記被覆シー
トの連綴具が構成されている。Note that the covering sheet connecting device is constituted by the band strip (5) having the locking hole (4) and the band strip (6) having the locking pin (7).
而して柱コンクリートｉｌ＋を打設したのち、打設コン
クリートが所要の強度に達すると型枠を解体し、柱コン
クリ−）ｆｉｌを前記被覆シート囚で泡層し、同シー）
（Ａｌの一端縁の帯条片（５）の係止孔（４）に、他端
縁の帯条片（６）の係止ビン（７）を係止し、柱コンク
リート（Ｂｌに被覆シート囚を固定し、前記注水口（３
）より注水すると、水分が被覆シート（Ａｔにおける内
側保水層（２）に保持され、柱コンクリート（ａ面が１
潤状態に保持され、２．速な乾燥が防止され、乾燥収縮
によるひび割れが防止され、コンクリートが適正な環境
で所期の設計強度を発現する。After pouring the column concrete il+, when the poured concrete reaches the required strength, the formwork is dismantled, and the column concrete fil+ is covered with a foam layer using the above-mentioned covering sheet.
(The locking pin (7) of the strip (6) on the other edge is locked into the locking hole (4) of the strip (5) on one edge of Al, and the cover sheet is placed on the column concrete (Bl). Fix the prisoner and connect the water inlet (3
), water is retained in the inner water retention layer (2) in the coating sheet (At
2. maintained in a moist state; Rapid drying is prevented, cracking due to drying shrinkage is prevented, and concrete develops the desired design strength in an appropriate environment.
図中（０は現場打コンクリート柱と同時に架構されるＰ
Ｃ梁である。In the diagram (0 is P, which is constructed at the same time as the cast-in-place concrete column)
It is a C beam.
かくして所要の期間が経過したのち、被覆シート囚を取
外し、次の工程に転用するものである。After the required period has elapsed, the covering sheet is removed and used for the next process.
（発明の効果）
本発明によれば前記したように、柱コンクリート打設後
、内側面に保水層が層着された被覆シートによって、前
記打設コンクリート面を泡層して、同面と外気との接触
を遮断し、同面と前記被覆ソートとの間に注水し、水分
を前記保水層に保持し、柱コンクリート面を温潤状態に
保持し、同面からの２．速な水分の蒸発を防止し、柱コ
ンクリートの乾燥収縮によるひび割れを防止し、コンク
リートの品質を確保し、早期脱型を可能ならしめるもの
である。(Effects of the Invention) According to the present invention, as described above, after pouring concrete for a column, the surface of the poured concrete is covered with a foam layer using a covering sheet with a water-retaining layer layered on the inner surface, and air 2. Water is injected between the same surface and the covering sort, water is retained in the water retaining layer, the column concrete surface is kept in a warm state, and 2. This prevents rapid evaporation of water, prevents cracking of column concrete due to drying shrinkage, ensures concrete quality, and enables early demolding.
請求項２の発明は、前記被覆シートを防水シートの内側
面に保水層を層着するとともに注水口を配設して構成し
たことによって、柱コンクリート面を１潤状態に保持し
、同面からの水分の急、速な乾燥を防止しうるようにし
たものである。In the invention of claim 2, the covering sheet is configured by layering a water retaining layer on the inner surface of the waterproof sheet and providing a water inlet, thereby maintaining the column concrete surface in a wet state and allowing water to flow from the same surface. This prevents the water from drying out quickly and quickly.
請求項３の発明は、前記被覆シートの両端縁に同シート
の連綴部を設けたことによって、被覆シートによる柱コ
ンクリート面の抱着、取外しを容易ならしめたものであ
る。According to the third aspect of the present invention, connecting portions of the covering sheet are provided on both edges of the covering sheet, so that the covering sheet can easily hold and remove the column concrete surface.
第１図及び第２図は本発明に係るコンクリート柱の養生
方法の一実施例の工程を示す斜視図、第３図は被覆シー
トの縦断面図、第４図は係止ピン付き帯条片部分を示す
平面図、第５図はその立面図、第６図はその使用状態を
示す平面図である。
（２）・・・被覆シート、 （Ｂｌ・・・柱コン
クリート、（１）−・防水シート、 （２）・・・
保水層、（３）−・−往水口、 （４）−・−
係止孔、（５）−・帯条片、 （６）−アング
ル状帯条片、（７）−・−係止ピン。
１２圓
代理人 弁理士 岡 本 重 文
外２名
謂４ｒＡ
銚５凪
肩６ＴＡFigures 1 and 2 are perspective views showing the steps of an embodiment of the concrete column curing method according to the present invention, Figure 3 is a longitudinal cross-sectional view of a covering sheet, and Figure 4 is a strip with locking pins. FIG. 5 is a plan view showing the portion, FIG. 5 is an elevational view thereof, and FIG. 6 is a plan view showing the state in which it is used. (2)...Covering sheet, (Bl...Column concrete, (1)--Waterproof sheet, (2)...
Water retention layer, (3)-- Outlet, (4)--
Locking hole, (5) - band strip, (6) - angled band strip, (7) - locking pin. 12 En agent Patent attorney Shige Okamoto Bungai 2 so-called 4rA Cho 5 Nagi shoulder 6 TA
Claims (3)
、内側面に保水層が層着された被覆シートで抱覆し、同
シートと前記打設コンクリート面との間に注水すること
を特徴とするコンクリート柱の養生方法。(1) After pouring the column concrete, the surface of the poured concrete is covered with a covering sheet having a water-retaining layer layered on the inner surface, and water is poured between the sheet and the surface of the poured concrete. curing method for concrete columns.
層着され、且つ注水口が配設された請求項１記載のコン
クリート柱の養生方法。(2) The method for curing a concrete column according to claim 1, wherein the covering sheet has a water retaining layer layered on the inner surface of the waterproof sheet, and a water inlet is provided.
設けた請求項２記載のコンクリート柱の養生方法。(3) The method for curing a concrete column according to claim 2, wherein continuous portions of the covering sheet are provided at both ends of the covering sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP213689A JPH02183049A (en) | 1989-01-10 | 1989-01-10 | Curing method of concrete column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP213689A JPH02183049A (en) | 1989-01-10 | 1989-01-10 | Curing method of concrete column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02183049A true JPH02183049A (en) | 1990-07-17 |
Family
ID=11520921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP213689A Pending JPH02183049A (en) | 1989-01-10 | 1989-01-10 | Curing method of concrete column |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02183049A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012117252A (en) * | 2010-11-30 | 2012-06-21 | Yamaken Inc | Method for curing concrete skeleton and device therefor |
| JP2013231283A (en) * | 2012-04-27 | 2013-11-14 | Taisei Corp | Concrete curing container and curing method |
| WO2014129406A1 (en) * | 2013-02-19 | 2014-08-28 | 鹿島建設株式会社 | Method for manufacturing concrete structure, concrete curing sheet for curing concrete |
| JP2014185506A (en) * | 2013-02-19 | 2014-10-02 | Kajima Corp | Method for manufacturing concrete structure, and concrete curing sheet |
| TWI620858B (en) * | 2013-02-19 | 2018-04-11 | 鹿島建設股份有限公司 | Manufacturing method of concrete structure, and concrete curing sheet for curing concrete |
-
1989
- 1989-01-10 JP JP213689A patent/JPH02183049A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012117252A (en) * | 2010-11-30 | 2012-06-21 | Yamaken Inc | Method for curing concrete skeleton and device therefor |
| JP2013231283A (en) * | 2012-04-27 | 2013-11-14 | Taisei Corp | Concrete curing container and curing method |
| WO2014129406A1 (en) * | 2013-02-19 | 2014-08-28 | 鹿島建設株式会社 | Method for manufacturing concrete structure, concrete curing sheet for curing concrete |
| JP2014185506A (en) * | 2013-02-19 | 2014-10-02 | Kajima Corp | Method for manufacturing concrete structure, and concrete curing sheet |
| TWI620858B (en) * | 2013-02-19 | 2018-04-11 | 鹿島建設股份有限公司 | Manufacturing method of concrete structure, and concrete curing sheet for curing concrete |
| US9976314B2 (en) | 2013-02-19 | 2018-05-22 | Kajima Corporation | Method for manufacturing concrete structure, concrete curing sheet for curing concrete |
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