JPS5949989B2 - Large mobile formwork equipment - Google Patents
Large mobile formwork equipmentInfo
- Publication number
- JPS5949989B2 JPS5949989B2 JP14636181A JP14636181A JPS5949989B2 JP S5949989 B2 JPS5949989 B2 JP S5949989B2 JP 14636181 A JP14636181 A JP 14636181A JP 14636181 A JP14636181 A JP 14636181A JP S5949989 B2 JPS5949989 B2 JP S5949989B2
- Authority
- JP
- Japan
- Prior art keywords
- formwork
- wheels
- concrete
- jack
- present
- 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
Links
Landscapes
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Description
【発明の詳細な説明】
本発明は、同一断面形の延長の犬なるコンクリート構造
物の構築における大型の移動型枠装置に関するものであ
る。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a large mobile formwork apparatus in the construction of extended dog concrete structures of the same cross-sectional shape.
従来の手持ち出来る程度の小さい部材を現場で組合せて
型枠を組立るという方法は、同一断面形の延長の犬なる
コンクリート構造物、例えば切土法面の擁壁等に採用す
ることは非能率的であるため、近年大型々枠をクレーン
で吊って移動する方法が採用されはじめた。The conventional method of assembling formwork on site by assembling small parts that can be carried by hand is inefficient when used for extended concrete structures with the same cross-sectional shape, such as retaining walls on cut slopes. In recent years, a method of hoisting large frames using cranes and moving them has begun to be adopted.
しかしこのような方法にはクレーンが必要となるため、
クレーン費が太キい負担となって決して安価な型枠費と
はならないことが判ってきた。However, this method requires a crane,
It has become clear that the crane cost is a heavy burden and formwork costs are never cheap.
従ってクレーンを用いないで容易に大型枠を移動できる
方法の開発は当業者の強く望むところとなった。Therefore, it has been strongly desired by those skilled in the art to develop a method for easily moving large frames without using a crane.
本発明は、前記の要望に鑑みなされたもので。The present invention was made in view of the above-mentioned needs.
大型に組壕れた型枠の後側土部と前側下部とに、ともに
コンクリート打設側に突出して走行車輪を設け、コンク
リート打設後の型枠が、その型枠によって打設されたコ
ンクリートの上面上と、これから打設しようとするコン
クリートの下部基磐土とに支持されて、それらの土を走
行移動できるようにし、それによって、従来のように型
枠移動用のクレーンを使用することなしに型枠移動が行
なえ、施工が容易で経済性の高い大型の移動型枠装置を
提供しようとするものである。Running wheels are installed on both the rear soil part and the front lower part of the large trenched formwork, protruding toward the concrete pouring side, so that the formwork after concrete pouring will be able to move the concrete cast by the formwork. It is supported on the upper surface and on the lower foundation soil of the concrete to be poured, so that the soil can be moved by traveling, thereby allowing the use of a conventional crane for moving the formwork. The purpose of the present invention is to provide a large-sized movable formwork device that can move the formwork without moving the formwork, is easy to construct, and is highly economical.
以下、本発明の実施例を図面を参照して説明する。Embodiments of the present invention will be described below with reference to the drawings.
第１図は実施例の装置による施工の概要を示した斜面図
で、１は大型に組まれた型枠で、この型枠１を移動させ
るための車輪が型枠１の後側上部と前側下部とに設けら
れている。Fig. 1 is a slope view showing an outline of construction using the apparatus of the embodiment, in which 1 is a large-sized formwork, and wheels for moving the formwork 1 are located at the upper rear side and at the front side of the formwork 1. It is located at the bottom.
即ち、型枠１の後側上部には支持体４ａを介して車輪４
がコンクリートの打設される内側に突出して設けられて
いると共に、型枠１の前側下部には支持体６ａを介して
車輪６が前方およびコンクリートの打設される内側に突
出して設けられている。That is, wheels 4 are attached to the rear upper part of the formwork 1 via a support 4a.
are provided to protrude inside where concrete is poured, and at the lower front side of formwork 1, wheels 6 are provided to protrude forward and into the inside where concrete is poured via supports 6a. .
前記の型枠装置は、その後側上部の車輪４を既設のコン
クリート構造物２土に支持させ、その前側下部の車輪６
を下部基盤８上に支持させた状態でセットされ、コンク
リートが打設され、そして、打設コンクリートの硬化後
は、その打設されたコンクリート構造物２と下部基盤８
上を車輪４，６の移動によって矢印７のように次の施工
位置に移動される。The above-mentioned formwork device supports the wheels 4 at the upper part of the rear side on the soil of the existing concrete structure 2, and the wheels 6 at the lower part at the front side.
is set in a state where it is supported on the lower base 8, concrete is poured, and after the poured concrete hardens, the poured concrete structure 2 and the lower base 8
By moving the wheels 4 and 6 above, it is moved to the next construction position as shown by the arrow 7.
これを繰返して施工が進められるのである。Construction continues by repeating this process.
この型枠１０車輪４，６による移動を円滑に行なうため
には、第１図に示したように、既設構造物２の上面及び
下部基盤８の上面に、案内レール３，５を設置し、これ
に車輪４，６を載架して行なうのがよい。In order to smoothly move the formwork 10 using the wheels 4 and 6, guide rails 3 and 5 are installed on the top surface of the existing structure 2 and the top surface of the lower base 8, as shown in FIG. It is preferable to mount the wheels 4 and 6 on this.
しかし、この案内レール３，５に代えて、第３図に示す
ような凹型のガイドチャンネル１５或は第４図に示すよ
うな凸型のガイドチャンネル１ダをコンクリートに作っ
ておいて、これらの上を車輪が転動する方式を採用する
こともでき、また、これらのレール３，５やガイドチャ
ンネル１５ 、１５’がなくとも車輪による移動は可能
である。However, instead of the guide rails 3 and 5, a concave guide channel 15 as shown in Fig. 3 or a convex guide channel 1da as shown in Fig. 4 is made in concrete. It is also possible to adopt a system in which wheels roll on the top, and movement by wheels is possible even without these rails 3, 5 and guide channels 15, 15'.
本発明の移動型枠装置は、基本的には、前述したように
型枠の後側下部と前側下部とに走行車輪４．６を設けた
もので実施が可能である。The movable formwork apparatus of the present invention can basically be implemented with running wheels 4.6 provided at the rear lower part and the front lower part of the formwork as described above.
この場合、型枠セットにあたっての法線合せ等の細かい
調節や、コンクリート打設後の型枠の剥離等の操作は、
従来の手脂１手払いでの型枠で行なわれている公知の方
法を採用することができる。In this case, fine adjustments such as normal alignment when setting the formwork, and operations such as peeling off the formwork after concrete pouring are carried out as follows:
It is possible to employ a known method that is used in the conventional molding method using one hand-painted mold.
しかし。移動型枠としての施工法をよシ向上させるため
には、それらの操作の簡易化、能率化を図ることが必要
とされる。but. In order to improve the construction method of movable formwork, it is necessary to simplify and streamline its operation.
第２図は、このような必要的手段のいくつかを付加した
他の実施例の装置による施工の態様を示した側断面図で
ある。FIG. 2 is a side cross-sectional view showing a mode of construction using another embodiment of the apparatus that includes some of these necessary means.
第２図の実施例では、まず、後側上部の走行車輪４と前
側下部の走行車輪６のプラタン）４ａ。In the embodiment shown in FIG. 2, first, the upper rear running wheel 4 and the lower front running wheel 6 are assembled (4a).
６ａに代えてジヤツキ９，９′が設けられ、車輪４゜６
はそれらジヤツキ９，９′の内端部に取付けられている
。Jacks 9, 9' are provided in place of 6a, and wheels 4°6
are attached to the inner ends of the jacks 9, 9'.
したがって、ジヤツキ９，９′に内装されているスクリ
ューの頭１０．１０’を回せば、車輪４．６は型枠１に
対する内側への突出距離が変化することになる。Therefore, by turning the screw heads 10.10' housed in the jacks 9, 9', the distance by which the wheels 4.6 project inward relative to the formwork 1 changes.
この場合、車輪４，６はレール３．５に停戦されて横方
向の移動は規制されているので、実際上は車輪４，６に
対して型枠１が横方向に移動されることになって、型枠
の剥離や型枠の横方向の位置決定が図れるのである。In this case, the wheels 4 and 6 are stopped by the rails 3.5 and their movement in the lateral direction is restricted, so in reality the formwork 1 is moved in the lateral direction with respect to the wheels 4 and 6. This makes it possible to peel off the formwork and determine the lateral position of the formwork.
車輪と型枠の距離を変えるだめのこのジヤツキ９，９′
のような装置がなくとも型枠の横方向への移動は不可能
ではない。This jack 9,9' changes the distance between the wheel and the formwork.
Even without such a device, it is not impossible to move the formwork laterally.
例えばレールを必要距離ずらせる方法もある。For example, there is a method of shifting the rails a necessary distance.
要は何らかの型枠はく離装置、又ははく離作業が伴えば
よい。In short, it is sufficient if some type of formwork stripping device or stripping work is involved.
色々な方法があるが本発明者は第２図に示す型枠はく離
ジヤツキ９，９′が本発明の補助装置として極めて有効
であることをつき七めた。Although there are various methods, the present inventor has found that formwork stripping jacks 9, 9' shown in FIG. 2 are extremely effective as an auxiliary device of the present invention.
また、型枠の走行移動を一層容易にするために、型枠１
を下部基盤８の下部に長く突出させて形成し、その突出
部分の後部に移動補助輪１３を取付けると有効である。In addition, in order to make the traveling movement of the formwork even easier, the formwork 1
It is effective to form a long protrusion at the bottom of the lower base 8 and attach the moving auxiliary wheel 13 to the rear of the protrusion.
この補助輪１３を取付けることによ択型枠１は車輪４，
６と補助輪１３との３点支持となり安定した形で移動で
き、しかも、型枠１の後側下部がこの補助輪１３の介在
によって下部基盤８の側面に摩擦しながら移動するとい
うおそれが解消される。By attaching this auxiliary wheel 13, the alternative formwork 1 can be replaced with wheels 4,
6 and the auxiliary wheels 13, it can move in a stable manner, and the fear that the rear lower part of the formwork 1 will move while rubbing against the side surface of the lower base 8 due to the intervention of the auxiliary wheels 13 is eliminated. be done.
この補助輪１３においてもジヤツキ１４を設けるとよい
。It is preferable to provide a jack 14 on this auxiliary wheel 13 as well.
ジヤツキ１４がない場合はそれに代わる方法が要求され
る。In the absence of jack 14, an alternative method is required.
型枠を基盤８の側面にぴったシ接着させた状態（コンク
リートを打設する状態）と移動のときにコンクリートか
ら若干離す状態を作る必要があるから、その状態の変化
が作れる方法であればよい。It is necessary to create a state in which the formwork is tightly adhered to the side of the base 8 (the state in which concrete is poured) and a state in which it is slightly separated from the concrete when moving, so any method that can create a change in the state will suffice. .
考えられる方法の一つに、コンクリート打設のときは補
助車輪１３を切離し、型枠移動のときだけ取付けるとい
う方法がある。One possible method is to detach the auxiliary wheels 13 during concrete pouring and attach them only when moving the formwork.
さらに、本実施例の型枠装置においては、型枠１の上端
部に切土法面１９に向けて突張りジヤツキ１６を設ける
と共に、型枠１の下端部に下部ジヤツキ１８を設けであ
る。Further, in the formwork apparatus of this embodiment, a tension jack 16 is provided at the upper end of the formwork 1 toward the cutting slope 19, and a lower jack 18 is provided at the lower end of the formwork 1.
このような構造をした型枠は、切干法面の擁壁コンクリ
ートの片持梁方式の片面型枠に採用して極めて効果的で
あることが判った。It has been found that the formwork with this structure is extremely effective when used as a cantilever type single-sided formwork for concrete retaining walls on dry slopes.
本来ダムフオームの例で明らかなように、片持梁式の型
枠はコンクリートの圧力による型枠のたわみを許容範囲
にとどめるため縦バタは非常に大きい部材を使用してい
た。As is clear from the example of the dam form, cantilever type formwork used members with very large vertical flaps in order to keep the formwork's deflection due to the pressure of concrete within an allowable range.
その為不経済なので普通の切土法面の型枠に採用される
ことはあｉなかった。Because of this, it was uneconomical and could not be used as formwork for ordinary cut slopes.
移動も困難であった。したがって１本発明にこの型枠を
採用しても重量大なるためメリットはなく、移動に動力
を用いなくてはならない。Movement was also difficult. Therefore, even if this formwork is adopted in the present invention, there is no advantage due to the heavy weight, and power must be used for movement.
そこで本発明者は、前もって型枠にたわみを与えておい
て、コンクリートの圧力では型枠が狂わない方法を考え
出した。Therefore, the present inventor devised a method that allows the formwork to be bent in advance so that the formwork does not become distorted by the pressure of concrete.
それは第２図の実施例に示すように型枠の上端部に切土
法面に向けて突出した突張りジヤツキ１６を設け、この
ジヤツキ１６でコンクリートの圧力を受けたときにおき
る型枠部材のたわみ（主として縦バタ１７のたわみ）を
前もって作っておく方法である。As shown in the embodiment shown in Fig. 2, a tension jack 16 is provided at the upper end of the formwork that protrudes toward the cutting slope. This is a method in which the deflection (mainly the deflection of the vertical butterfly 17) is created in advance.
こうしておくと型枠はコンクリートの打設圧で狂わない
。By doing this, the formwork will not be distorted by the concrete pouring pressure.
そして、突張ジヤツキ１６の力に対抗する力を型枠下端
部に設けた下部ジヤツキ１８で受けるようにする。The force opposing the force of the tension jack 16 is received by a lower jack 18 provided at the lower end of the formwork.
また、これらジヤツキ１６とジヤツキ１８の突出長さ即
ちきかせ具合を調節することによつて、型枠の法練合せ
も行える特徴がある。Furthermore, by adjusting the protrusion lengths of the jacks 16 and 18, that is, the degree of skewing, it is possible to adjust the formwork.
型枠のたわみによる狂いがないとすれば、型枠部材は許
容応力を限界として設計されるので、剛性を限界ファク
ターとしていた従来の型枠に革命をもたらし、小さい部
材で大型々枠を作ることが可能となった。Assuming that there is no distortion due to deflection of the formwork, the formwork members are designed with the limit of allowable stress, which has revolutionized the conventional formwork where rigidity was the limiting factor, making it possible to create large frames with small members. became possible.
このようにして設計された切干法面の片持梁式片面型枠
は極めて軽量なので高さ２ｍ、長さ１０ｍ程度の型枠の
本発明の方法による車輪移動は極めて簡単であることが
明らかになった。Since the cantilever type single-sided formwork for drying slope designed in this way is extremely lightweight, it is clear that it is extremely easy to move a formwork with a height of about 2 m and a length of about 10 m using the method of the present invention using wheels. became.
型枠の重量は約２０００ｋｇであシ、２〜３人の人力で
水平移動できることも証明された。The weight of the formwork is approximately 2,000 kg, and it has been proven that it can be moved horizontally by two or three people.
以上説明したように、本発明は、大型に組まれた型枠が
、後側上部の車輪と前側下部の車輪とによって、既設の
構造物及び下部基盤とにより支持され、簡易に走行移動
させることができ、移動のだめのクレーンの使用を廃止
し、操作が容易で能率がよく経済的な施工のできる移動
型枠装置を提供できるという効果がある。As explained above, the present invention enables a large-sized formwork to be supported by the existing structure and the lower base by wheels on the upper rear side and wheels on the lower front side, and to be easily moved. This has the effect of eliminating the use of a mobile crane and providing a mobile formwork device that is easy to operate, efficient, and economical to construct.
第１図は本発明の一実施例の装置による施工の態様を示
した斜面図、第２図は本発明の他の実施例例の装置によ
る切土法面での施工の態様を示した側断面図、第３図及
び第４図は本発明装置の移動に必要なレールの部分の他
の実施例を示した横断面図である。
１・・・・・・型枠、２・・・・・・既設コンクリート
構造物、３．５・・・・・・レール、４．６・・・・・
・走行車輪、８・・・・・・Ｔ部基盤、９，９′、１４
・・・・・・ジヤツキ、１３・・・・・・補助輪、１６
・・・・・・突張ジヤツキ。Fig. 1 is a slope view showing the mode of construction by an apparatus according to one embodiment of the present invention, and Fig. 2 is a side view showing the mode of construction on a cutting slope using the apparatus according to another embodiment of the present invention. 3 and 4 are cross-sectional views showing other embodiments of the rail portion necessary for moving the device of the present invention. 1...Formwork, 2...Existing concrete structure, 3.5...Rail, 4.6...
- Traveling wheels, 8...T section base, 9, 9', 14
・・・・・・Judge, 13・・・・Training wheel, 16
・・・・・・Tsutsujatsuki.
Claims (1)
型枠の後側上部と前側下部とに、それぞれコンクリート
を打設する内側に突出させて走行車輪を設けたことを特
徴とする、大型移動型枠装置。 ２ 型枠の後側下部に、下部基盤の外側面に接するよう
に移動補助輪を設けたことを特徴とする特許請求の範囲
第１項記載の装置。 ３ 型枠の上端部に切土法面に向けて突出する突張シジ
ャッキを設けると共に、型枠の下端部に下部基盤の外側
面に向けて突出するジヤツキを設けたことを特徴とする
特許請求の範囲第１項及び第２項記載の装置。[Scope of Claims] 1. A driving wheel is provided at the rear upper part and front lower part of the side formwork of concrete that is extended in the horizontal direction, respectively, so as to protrude inward from where the concrete is poured. Large mobile formwork equipment. 2. The device according to claim 1, characterized in that a movable auxiliary wheel is provided at the lower rear side of the formwork so as to be in contact with the outer surface of the lower base. 3. A patent claim characterized in that a tension jack is provided at the upper end of the formwork to protrude toward the cutting slope, and a jack is provided at the lower end of the formwork to project toward the outer surface of the lower base. The device according to items 1 and 2 of the scope of the invention.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14636181A JPS5949989B2 (en) | 1981-09-18 | 1981-09-18 | Large mobile formwork equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14636181A JPS5949989B2 (en) | 1981-09-18 | 1981-09-18 | Large mobile formwork equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5781559A JPS5781559A (en) | 1982-05-21 |
| JPS5949989B2 true JPS5949989B2 (en) | 1984-12-05 |
Family
ID=15405974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14636181A Expired JPS5949989B2 (en) | 1981-09-18 | 1981-09-18 | Large mobile formwork equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5949989B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH023189Y2 (en) * | 1984-10-24 | 1990-01-25 | ||
| JPH0346394Y2 (en) * | 1985-02-25 | 1991-09-30 |
-
1981
- 1981-09-18 JP JP14636181A patent/JPS5949989B2/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH023189Y2 (en) * | 1984-10-24 | 1990-01-25 | ||
| JPH0346394Y2 (en) * | 1985-02-25 | 1991-09-30 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5781559A (en) | 1982-05-21 |
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