JPH0726505Y2 - Concrete splicing formwork - Google Patents
Concrete splicing formworkInfo
- Publication number
- JPH0726505Y2 JPH0726505Y2 JP1988103124U JP10312488U JPH0726505Y2 JP H0726505 Y2 JPH0726505 Y2 JP H0726505Y2 JP 1988103124 U JP1988103124 U JP 1988103124U JP 10312488 U JP10312488 U JP 10312488U JP H0726505 Y2 JPH0726505 Y2 JP H0726505Y2
- Authority
- JP
- Japan
- Prior art keywords
- concrete
- shaped
- expansive
- rubber
- water
- 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
Links
Landscapes
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
- On-Site Construction Work That Accompanies The Preparation And Application Of Concrete (AREA)
Description
【考案の詳細な説明】 「産業上の利用分野」 本考案は、コンクリート打継ぎ型枠に係るものである。DETAILED DESCRIPTION OF THE INVENTION "Industrial field of application" The present invention relates to a concrete jointing formwork.
「従来の技術と考案が解決しようとする課題」 従来、コンクリート構造物における打継ぎ工事に、脱型
を要しないコンクリート打継ぎ型枠が用いられている。“Problems to be Solved by Conventional Techniques and Inventions” Conventionally, concrete jointing formwork that does not require demolding has been used for jointing construction in concrete structures.
この種のコンクリート打継ぎ型枠は、ネット状打止め材
の適所に棒状止水材を付設したものであり、最近では、
第５図、第６図に示すコンクリート打継ぎ型枠Ａ、すな
わち、エキスパンドメタル、鋼製ネット等から成る打止
め材１の中間部に、断面半円形のリブ２を形成し、該リ
ブの表裏に棒状止水材3,4を接着したものが用いられて
いる。This type of concrete splicing formwork is one in which a rod-shaped waterproof material is attached to a suitable place of a net-shaped stopping material, and recently,
Ribs 2 having a semicircular cross section are formed in the intermediate portion of the concrete joining form A shown in FIGS. 5 and 6, that is, the stopping material 1 made of expanded metal, steel net, etc. A stick-shaped water blocking material 3 or 4 is used for bonding.
このコンクリート打継ぎ型枠Ａは、コンクリート型枠Ｂ
におけるコンクリート打継ぎ箇所に配して、埋め殺しの
型枠として使用され、その棒状止水材3,4は、打継ぎ部
を止水する。第５図は、壁の場合、第６図は、基礎の場
合である。This concrete joining form A is a concrete form B
Is used as a formwork for burying and is placed at a concrete splicing point in, and the rod-shaped water blocking members 3 and 4 stop the splicing portion. FIG. 5 shows the case of a wall, and FIG. 6 shows the case of a foundation.
しかし、従来のものでは、先打ちコンクリートＣの打設
時に、伝い漏りしたモルタルが他側の棒状止水材４を覆
ってしまい、棒状止水材の止水効果がなくなることがし
ばしばある。However, in the conventional case, when the precast concrete C is poured, the leaked mortar often covers the rod-shaped water blocking material 4 on the other side, and the water blocking effect of the rod-shaped water blocking material often disappears.
そのため、先打ちコンクリートの打設直後に、他側の棒
状止水材に付着したモルタルを拭き取っているのが実状
であり、これでは甚だ手数がかかり不便である。Therefore, it is the actual situation that the mortar adhering to the rod-shaped waterproofing material on the other side is wiped off immediately after the pouring concrete is poured, which is very inconvenient and inconvenient.
本考案は、斯る従来の欠点を除去しようとするものであ
る。The present invention seeks to eliminate such conventional drawbacks.
「課題を解決するための手段」 本考案は、ネット状打止め材11の適所に棒状の膨張性止
水ゴム13,14を付設したコンクリート打継ぎ型枠Ａにお
いて、前記膨張性止水ゴム13,14に沿わせて板状のノロ
除け15を設けて成る。"Means for Solving the Problem" The present invention relates to a concrete splicing form A in which rod-shaped expansive waterproof rubbers 13 and 14 are attached at appropriate places on a net-shaped stopper material 11 in the expansive waterproof rubber 13 described above. , 14 is provided with a plate-shaped shaving shield 15.
「作用」 如上の構成であるから、先打ちコンクリートＣの打設時
に、ノロ除け15がモルタルの伝い漏りを切り、モルタル
が他側の膨張性止水ゴム14に付着するのを阻止する。"Operation" Due to the above constitution, when pouring the precast concrete C, the slag blocker 15 cuts off the leak of the mortar and prevents the mortar from adhering to the expansive water-stop rubber 14 on the other side.
「実施例」 第１図、第２図は、第１の実施例で、壁についての例を
示し、エキスパンドメタル、鋼製ネット等の打止め材11
の縁部乃至中間部に、断面半円形のリブ12を形成し、該
リブの表裏に棒状の膨張性止水ゴム13,14を接着したコ
ンクリート打継ぎ型枠Ａにおいて、膨張性止水ゴム13,1
4の両側に、適宜幅a,aの板状のノロ除け15,15を設けて
成る。ノロ除け15,15の幅a,aは、50mm内外がよく、上記
リブ12に連ねて設けるとよい。"Embodiment" Figs. 1 and 2 show a first embodiment, which is an example of a wall, and a stopping material 11 such as expanded metal or steel net 11
A rib 12 having a semicircular cross section is formed at an edge or an intermediate portion of the, and in the concrete jointing form A in which rod-shaped expansive waterproof rubbers 13 and 14 are adhered to the front and back of the rib, the expansive waterproof rubber 13 , 1
On both sides of the plate 4, plate-shaped slag guards 15 and 15 having appropriate widths a and a are provided. The widths a and a of the slag guards 15 and 15 are preferably 50 mm inside and outside, and are preferably provided so as to be continuous with the rib 12.
膨張性止水ゴム13,14は、水を含むことによって膨張す
るものであるが、その原料には次のものがある。The expansive waterproof rubbers 13 and 14 expand by containing water, and the raw materials thereof are as follows.
水膨潤性ウレタン樹脂、水膨張性ウレタン樹脂とゴムの
混合物、水膨潤性ウレタン樹脂とゴムと水硬性物質（水
硬性セメント、石膏など）の混合物、オレフィン／マレ
イン酸共重合体、ポリビニルアルコール／イソブチレン
／マレイン酸共重合体、ポリビニルアルコール／アクリ
ル酸共重合体、架橋又は非架橋ポリビニルアルコール、
架橋又は架橋ポリビニルアルコール、架橋又は非架橋ポ
リアクリル酸塩、ポリビニルアルコール／酸無水物共重
合体、デンプン／アクリル酸グラフト共重合体、あるい
は、これらの重合体とゴムとの混合物などが挙げられ
る。上記の中でも可撓性を有する水膨潤性ウレタン樹
脂、水膨潤性ウレタン樹脂とゴムの混合物、水膨潤性ウ
レタン樹脂とゴムと水硬性物質（水硬性セメント、石膏
など）の混合物などを用いるのが止水性の面から特に好
ましい。Water-swellable urethane resin, mixture of water-swellable urethane resin and rubber, mixture of water-swellable urethane resin and rubber and hydraulic material (hydraulic cement, gypsum, etc.), olefin / maleic acid copolymer, polyvinyl alcohol / isobutylene / Maleic acid copolymer, polyvinyl alcohol / acrylic acid copolymer, crosslinked or non-crosslinked polyvinyl alcohol,
Examples thereof include cross-linked or cross-linked polyvinyl alcohol, cross-linked or non-cross-linked polyacrylic acid salt, polyvinyl alcohol / anhydride copolymer, starch / acrylic acid graft copolymer, or a mixture of these polymers and rubber. Among the above, it is preferable to use a flexible water-swelling urethane resin, a mixture of water-swelling urethane resin and rubber, a mixture of water-swelling urethane resin and rubber and a hydraulic substance (hydraulic cement, gypsum, etc.). It is particularly preferable from the viewpoint of water stoppage.
なお、膨張性止水ゴムは、複数条設けてもよいし、打止
め材11の一面にのみ設けてもよい。The expansive waterproof rubber may be provided in a plurality of lines, or may be provided only on one surface of the stop material 11.
斯様に構成したコンクリート打継ぎ型枠Ａは、従来同様
に、コンクリート型枠Ｂ内の適所にて空間を横切る状態
で架設し、埋め殺し型枠として打継ぎに供する。この打
継ぎの際には、先打ちコンクリートＣが打止め材11の網
目からわずかに膨出して、打継ぎ面が凹凸となるので、
目荒しの必要はない。Ｄは、鉄筋である。The concrete splicing form A thus constructed is erected in a state of traversing a space at an appropriate place in the concrete form B, and is used as a buried form for splicing, as in the conventional case. At the time of this splicing, the precast concrete C swells slightly from the mesh of the striking material 11, and the splicing surface becomes uneven,
You don't need to be blind. D is a reinforcing bar.
第３図は、第２の実施例、また、第４図は、第３の実施
例で、いずれも基礎についての例を示しており、前者の
場合は、前例のものにおいて、ノロ除け15を膨張性止水
ゴム13,14の片側にのみに設け、また、後者の場合は、
両側に設けて成る。FIG. 3 shows the second embodiment, and FIG. 4 shows the third embodiment, both of which show examples of the basics. Provided on only one side of the expansive waterproof rubber 13, 14, and in the case of the latter,
It is provided on both sides.
而して、使用の際は、ノロ除け15を膨張性止水ゴム13,1
4の上又は上下に位置させる。Therefore, when using it, the scepter 15 should be attached to the expansive waterproof rubber 13,1.
Position above or below 4.
その他は、前例と同様につき説明を省略する。Others are the same as in the previous example, and the description is omitted.
「考案の効果」 本考案によれば、膨張性止水ゴム13,14に沿わせて板状
のノロ除け15を設けているので、先打ちコンクリートＣ
の打設時に、他側の膨張性止水ゴム14におけるモルタル
の伝い漏りを阻止できて、漏れたモルタルの付着による
止水効果の低下を防止でき、したがって、付着したモル
タルを拭き取る必要もなく、頗る便利重宝である。"Effect of the Invention" According to the present invention, since the plate-shaped spill protection 15 is provided along the expansive waterproof rubbers 13 and 14, the precast concrete C
At the time of placing, it is possible to prevent the mortar from leaking in the expansive waterproof rubber 14 on the other side, and prevent the deterioration of the waterproof effect due to the adhesion of the leaked mortar, and therefore, it is not necessary to wipe off the adhered mortar, It is very convenient and convenient.
第１図乃至第４図は、本考案の実施例で、第１図は、第
１例の截断斜視図、第２図は、同例の截断平面図、第３
図は、第２例の截断側面図、第４図は、第４例の截断側
面図、第５図、第６図は、先行技術を示し、第５図は、
一例の截断平面図、第６図は、他の例の截断側面図であ
る。 Ａ……コンクリート打継ぎ型枠 Ｂ……コンクリート型枠 Ｃ……先打ちコンクリート Ｄ……鉄筋 11……打止め材、12……リブ 13,14……膨張性止水ゴム 15……ノロ除け1 to 4 show an embodiment of the present invention. FIG. 1 is a cutaway perspective view of the first example, and FIG. 2 is a cutaway plan view of the same example.
FIG. 4 is a sectional side view of the second example, FIG. 4 is a sectional side view of the fourth example, FIG. 5 and FIG. 6 show prior art, and FIG.
FIG. 6 is a cutaway plan view of an example, and FIG. 6 is a cutaway side view of another example. A: Concrete pouring form B: Concrete form C: Precast concrete D: Reinforcing bar 11 ... Stopping material, 12 ... Rib 13,14 ... Expansive water-stop rubber 15.
───────────────────────────────────────────────────── フロントページの続き (72)考案者 福島 拓夫 千葉県八千代市勝田台７―29―２ (72)考案者 林田 安正 埼玉県上尾市中妻３―９―２ (56)参考文献 特開 昭62−291367（ＪＰ，Ａ) 実願昭59−126949号（実開昭61−43301 号）の願書に添付した明細書及び図面の内 容を撮影したマイクロフィルム（ＪＰ, Ｕ) 実願昭59−149545号（実開昭61−65154 号）の願書に添付した明細書及び図面の内 容を撮影したマイクロフィルム（ＪＰ, Ｕ) ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Creator Takuo Fukushima 7-29-2 Katsutadai, Yachiyo-shi, Chiba (72) Creator Yasumasa Hayashida 3-9-2 Nakatsuma, Ageo-shi, Saitama (56) References 62-291367 (JP, A) Japanese Patent Application No. 59-126949 (Japanese Utility Model Application No. 61-43301) Microfilm (JP, U) Japanese Patent Application No. 59 taken of the contents and drawings attached to the application. -149545 (Jitsukai Sho 61-65154) Microfilm (JP, U) taken from the contents of the specification and drawings attached to the application
Claims (1)
止水ゴム13,14を付設したコンクリート打継ぎ型枠Ａに
おいて、前記膨張性止水ゴム13,14に沿わせて板状のノ
ロ除け15を設けたことを特徴とするコンクリート打継ぎ
型枠。1. A concrete splicing form A in which rod-shaped expansive waterproof rubbers 13, 14 are attached at appropriate places of a net-like stopper material 11, in a plate shape along the expansive waterproof rubbers 13, 14. A concrete splicing formwork, which is equipped with a Noro 15
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988103124U JPH0726505Y2 (en) | 1988-08-03 | 1988-08-03 | Concrete splicing formwork |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988103124U JPH0726505Y2 (en) | 1988-08-03 | 1988-08-03 | Concrete splicing formwork |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0223654U JPH0223654U (en) | 1990-02-16 |
| JPH0726505Y2 true JPH0726505Y2 (en) | 1995-06-14 |
Family
ID=31333664
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988103124U Expired - Lifetime JPH0726505Y2 (en) | 1988-08-03 | 1988-08-03 | Concrete splicing formwork |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0726505Y2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2507776Y2 (en) * | 1990-06-29 | 1996-08-21 | 株式会社竹中工務店 | Water stop plate for concrete splicing formwork |
| JPH0587062U (en) * | 1992-04-22 | 1993-11-22 | 松下電工株式会社 | Embedded hand wash |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6143301U (en) * | 1984-08-23 | 1986-03-20 | 旭電化工業株式会社 | Structure of concrete joints |
| JPS6165154U (en) * | 1984-10-04 | 1986-05-02 |
-
1988
- 1988-08-03 JP JP1988103124U patent/JPH0726505Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0223654U (en) | 1990-02-16 |
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