JP6770771B1 - Beam bottom formwork - Google Patents
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- JP6770771B1 JP6770771B1 JP2020131655A JP2020131655A JP6770771B1 JP 6770771 B1 JP6770771 B1 JP 6770771B1 JP 2020131655 A JP2020131655 A JP 2020131655A JP 2020131655 A JP2020131655 A JP 2020131655A JP 6770771 B1 JP6770771 B1 JP 6770771B1
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- 238000009415 formwork Methods 0.000 title claims description 69
- 238000010586 diagram Methods 0.000 abstract 1
- 230000000630 rising effect Effects 0.000 abstract 1
- 239000004567 concrete Substances 0.000 description 7
- 238000010276 construction Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
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Abstract
【課題】底梁型枠の組立てや解体を簡易迅速に行うことができる梁底型枠を提供することを目的とする。【解決手段】底板部材１１と、底板部材の下側に固定されるとともに幅方向（Ｙ方向）に延伸して配置された底板受部材１２と、底板部材の長手方向（Ｘ方向）に沿ってその両側から上方（Ｚ方向）に立ち上がった側板部材１３と、側板部材の外側に設けられ水平方向（Ｘ方向）に延伸して配置された水平部材１４と、側板部材同士をその内側で連結するセパレータ部材１５と、底板受部材の端部１２ａを持ち上げて水平部材に係止するためのフック部材１６と、を備え、セパレータ部材の両端に設けられた押え部材１５ａによって、水平部材を側板部材に固定してボックス型枠１８とし、該ボックス型枠の長手方向端部１１ａを端部受部材１７に載置して構成されたことを特徴とする。【選択図】図１PROBLEM TO BE SOLVED: To provide a beam bottom form capable of easily and quickly assembling and disassembling a bottom beam form. SOLUTION: A bottom plate member 11 and a bottom plate receiving member 12 fixed to the lower side of the bottom plate member and extended in the width direction (Y direction), and along the longitudinal direction (X direction) of the bottom plate member. The side plate members 13 rising upward (Z direction) from both sides, the horizontal members 14 provided outside the side plate members and extending in the horizontal direction (X direction), and the side plate members are connected to each other inside. The separator member 15 and the hook member 16 for lifting the end portion 12a of the bottom plate receiving member and engaging the horizontal member with the horizontal member are provided, and the horizontal member is used as the side plate member by the pressing members 15a provided at both ends of the separator member. It is characterized in that it is fixed to form a box mold 18, and the longitudinal end portion 11a of the box mold is placed on an end receiving member 17. [Selection diagram] Fig. 1
Description
本発明は、鉄筋コンクリート構造物の、主として基礎施工において使用する梁底型枠に関するものであり、より詳しくは、ビルの梁や柱、床スラブ等の躯体成形に際して用いられるコンクリート用の梁底型枠に関する。 The present invention relates to a beam bottom formwork mainly used in foundation construction of a reinforced concrete structure, and more specifically, a beam bottom formwork for concrete used in skeleton forming of a building beam, column, floor slab, or the like. Regarding.
従来、コンクリート用の梁の成形においては、平板状の型枠材を、上方が開口したボックス型の型枠に組み、打設されるコンクリートの圧力で型枠が変形しないように補強していた。
ボックス型の型枠に組む場合は、型枠の底にパイプ類からなる吊り持ち部材を当てがい、
これを型枠押えなどの支持材に針金類で縛り付けるなどの施工法が行なわれていた。
しかし、このような施工法では、締付具として多くの部材を用いて型枠を組んでいたので、
型枠の組立て作業、型枠の解体作業に長時間を要し能率が悪く、構造も複雑であった。
梁底型枠に関する先行技術としては、以下の文献がある。
Conventionally, in the molding of beams for concrete, a flat plate-shaped formwork material is assembled into a box-shaped formwork with an opening at the top, and the formwork is reinforced so as not to be deformed by the pressure of the concrete to be cast. ..
When assembling into a box-shaped formwork, apply a hanging member made of pipes to the bottom of the formwork.
Construction methods such as tying this to a support material such as a formwork holder with wires have been performed.
However, in such a construction method, the formwork was assembled using many members as fasteners.
It took a long time to assemble the formwork and disassemble the formwork, which was inefficient and the structure was complicated.
The following documents are available as prior art related to beam bottom formwork.
本発明は従来の問題点を解決するためになされたもので、
底梁型枠の組立てや解体を簡易迅速に行うことができる梁底型枠を提供することを目的とする。
The present invention has been made to solve conventional problems.
It is an object of the present invention to provide a beam bottom formwork capable of easily and quickly assembling and disassembling the bottom beam formwork.
（１）本発明の梁底型枠は、以下の特徴を有する。
底板部材と、前記底板部材の下側に固定されるとともに幅方向（Ｙ方向）に延伸して配置された底板受部材と、
前記底板部材の長手方向（Ｘ方向）に沿ってその両側から上方（Ｚ方向）に立ち上がった側板部材と、
前記側板部材の外側に設けられ水平方向（Ｘ方向）に延伸して配置された水平部材と、
前記側板部材同士をその内側で連結するセパレータ部材と、
前記底板受部材の端部を持ち上げて前記水平部材に係止するためのフック部材と、を備え、
前記セパレータ部材の両端に設けられた押え部材によって、
前記水平部材を前記側板部材に固定してボックス型枠とし、
該ボックス型枠の長手方向端部を端部受部材に載置して構成されたことを特徴とする。
（２）本発明の梁底型枠は、上記（１）において、
前記セパレータ部材の端部は、
上下段に配設された水平部材の上下間の隙間に配置されており、
その外側から押え部材が挿入されおり、
押え部材は上下の水平部材に固定されていることを特徴とする。
（３）本発明の梁底型枠は、上記（１）又は（２）において、
前記梁底型枠が複数台であり、それらの一端同士を向かい合わせて組み合わせて、
端部受部材に載置するとともに、
他端を、それぞれの個別の端部受部材に載置して構成したものであることを特徴とする。
(1) The beam bottom formwork of the present invention has the following features.
A bottom plate member and a bottom plate receiving member fixed to the lower side of the bottom plate member and extended in the width direction (Y direction).
A side plate member that rises upward (Z direction) from both sides of the bottom plate member along the longitudinal direction (X direction).
A horizontal member provided on the outside of the side plate member and extended in the horizontal direction (X direction), and a horizontal member.
A separator member that connects the side plate members to each other inside the side plate member,
A hook member for lifting the end portion of the bottom plate receiving member and locking the end portion to the horizontal member is provided.
By the pressing members provided at both ends of the separator member
The horizontal member is fixed to the side plate member to form a box formwork.
It is characterized in that the box form is configured by placing the end portion in the longitudinal direction on the end receiving member.
(2) The beam bottom formwork of the present invention is the above-mentioned (1).
The end of the separator member
It is arranged in the gap between the upper and lower sides of the horizontal members arranged in the upper and lower stages.
The holding member is inserted from the outside,
The pressing member is fixed to the upper and lower horizontal members.
(3) The beam bottom formwork of the present invention is the above-mentioned (1) or (2).
There are a plurality of beam bottom formwork, and one ends of them are combined facing each other.
It is placed on the end receiving member and
It is characterized in that the other end is placed on each individual end receiving member.
本発明の梁底型枠は、底板部材と、前記底板部材の下側に固定されるとともに幅方向（Ｙ方向）に延伸して配置された底板受部材とを有し、底板部材の両側から上方（Ｚ方向）に立ち上げられた側板部材とで囲われ上方が開口したいわゆるボックス型枠を構成し、
梁底型枠の組み立て時には、底板受部材の端部を下部材に挿入するとともに、
フック部材の上部材を水平部材に係止して吊り上げ、
側板部材の内側にセパレータ部材を配置して両側の側板部材を連結し、
押え部材によって側板部材を水平部材に係止すればよいので、一人ででも、組立てや解体を簡易迅速に行うことができる。
The beam bottom formwork of the present invention has a bottom plate member and a bottom plate receiving member fixed to the lower side of the bottom plate member and extended in the width direction (Y direction) from both sides of the bottom plate member. It constitutes a so-called box formwork that is surrounded by side plate members raised upward (Z direction) and has an open upper part.
When assembling the beam bottom formwork, insert the end of the bottom plate receiving member into the lower member and
The upper member of the hook member is locked to the horizontal member and lifted.
A separator member is placed inside the side plate member to connect the side plate members on both sides.
Since the side plate member may be locked to the horizontal member by the pressing member, even one person can easily and quickly assemble and disassemble.
＜実施形態１の梁底型枠＞
以下、実施形態１の梁底型枠１０を図面を参照して説明する。
図１の全体斜視図、図２の上面図、図３の部分斜視図、図４のフック部材１６の斜視図、図５の部分斜視図に示すように、
実施形態１の梁底型枠１０は、底板部材１１と、底板部材１１の下側に固定されるとともに幅方向（Ｙ方向）に延伸して配置された底板受部材１２とを有し、
底板部材１１の両側から上方（Ｚ方向）に立ち上げられた側板部材１３とで囲われ上方が開口したいわゆるボックス型枠１８を備えている。
このボックス型枠１８は、底板部材１１の下側に設けられた底板受部材１２の端部１２ａを，フック部材１６の下部材１６ｂに挿入するとともに、フック部材１６の上部材１６ａを水平部材１４に係止して、吊り上げられている。
梁底型枠１０の組み立て時には、底板受部材１２の端部１２ａを下部材１６ｂに挿入するとともに、フック部材１６の上部材１６ａを水平部材１４に係止して吊り上げ、側板部材１３の内側にセパレータ部材１５を配置して両側の側板部材１３を連結し、押え部材１５ａによって側板部材１３を水平部材１４に係止する。
そして、ボックス型枠１８の長手方向端部１１ａを端部受部材１７に載置して梁底型枠１０を形成する。
また、側板部材１３は、その内側にセパレータ部材１５が配置されて、両側の側板部材１３が連結されている。
そして、セパレータ部材１５の両端に設けられた押え部材１５ａによって、側板部材１３が水平部材１４に係止されている。
さらに、このようにして組み立てられたボックス型枠１８の長手方向端部１１ａが、それぞれ端部受部材１７に載置されていることによって、梁底型枠１０が構成されている。
以下、実施形態１の梁底型枠１０の構成を詳細に説明する。
<Beam bottom formwork of embodiment 1>
Hereinafter, the beam bottom formwork 10 of the first embodiment will be described with reference to the drawings.
As shown in the overall perspective view of FIG. 1, the top view of FIG. 2, the partial perspective view of FIG. 3, the perspective view of the hook member 16 of FIG. 4, and the partial perspective view of FIG.
The beam bottom formwork 10 of the first embodiment has a bottom plate member 11 and a bottom plate receiving member 12 fixed to the lower side of the bottom plate member 11 and extended in the width direction (Y direction).
It is provided with a so-called box form 18 which is surrounded by side plate members 13 which are raised upward (Z direction) from both sides of the bottom plate member 11 and which is open upward.
In this box form 18, the end portion 12a of the bottom plate receiving member 12 provided on the lower side of the bottom plate member 11 is inserted into the lower member 16b of the hook member 16, and the upper member 16a of the hook member 16 is inserted into the horizontal member 14 It is locked in and lifted.
When assembling the beam bottom formwork 10, the end portion 12a of the bottom plate receiving member 12 is inserted into the lower member 16b, and the upper member 16a of the hook member 16 is locked to the horizontal member 14 and lifted to the inside of the side plate member 13. The separator member 15 is arranged to connect the side plate members 13 on both sides, and the side plate member 13 is locked to the horizontal member 14 by the pressing member 15a.
Then, the longitudinal end 11a of the box form 18 is placed on the end receiving member 17 to form the beam bottom form 10.
Further, in the side plate member 13, the separator member 15 is arranged inside the side plate member 13, and the side plate members 13 on both sides are connected to each other.
Then, the side plate member 13 is locked to the horizontal member 14 by the pressing members 15a provided at both ends of the separator member 15.
Further, the beam bottom formwork 10 is formed by mounting the longitudinal end portions 11a of the box formwork 18 assembled in this manner on the end receiving members 17, respectively.
Hereinafter, the configuration of the beam bottom formwork 10 of the first embodiment will be described in detail.
＜底板部材＞
底板部材１１は、梁底型枠１０下部の底壁を形成する板状の部材である。底板部材１１としては、広幅の板材（例えばベニア板）などが挙げられる。複数枚の板材を組み合わせて使用することも可能である。
<Bottom plate member>
The bottom plate member 11 is a plate-shaped member that forms the bottom wall below the beam bottom formwork 10. Examples of the bottom plate member 11 include a wide plate material (for example, a veneer plate). It is also possible to use a combination of a plurality of plate materials.
＜底板受部材＞
底板受部材１２は、底板部材１１の下側に当てがわれて固定される部材であり、底板部材１１の下側に板部材の幅方向Ｙに延伸して配置されており、底板部材１１の下部を支えるものである。
底板部材１１としては、長尺状の棒状の角材などが挙げられる。
角材は底板部材１１からの力を面で受けることができ、線で接触する丸材と比較して底板部材１１を安定して支えることができる。
なお、底板受部材１２は、底板部材１１の下側に予め固定されているので、組み立て、解体時には、相対的な位置のズレなどがなく、一人でも作業ができる。
すなわち、梁底型枠１０の組み立て時には、底板受部材１２の端部１２ａが、底板部材１１の幅から延伸して外側にはみ出しているので、底板受部材１２の端部１２ａを下部材１６ｂに挿入するとともに、フック部材１６の上部材１６ａを水平部材１４への係止や吊り上げ作業を一人でできる。
<Bottom plate receiving member>
The bottom plate receiving member 12 is a member that is applied and fixed to the lower side of the bottom plate member 11, and is arranged on the lower side of the bottom plate member 11 so as to extend in the width direction Y of the plate member. It supports the lower part.
Examples of the bottom plate member 11 include a long rod-shaped square timber and the like.
The square lumber can receive the force from the bottom plate member 11 on the surface, and can stably support the bottom plate member 11 as compared with the round lumber that comes into contact with the line.
Since the bottom plate receiving member 12 is fixed to the lower side of the bottom plate member 11 in advance, there is no relative displacement during assembly and disassembly, and even one person can work.
That is, when assembling the beam bottom formwork 10, the end portion 12a of the bottom plate receiving member 12 extends from the width of the bottom plate member 11 and protrudes outward, so that the end portion 12a of the bottom plate receiving member 12 is attached to the lower member 16b. At the same time as inserting the hook member 16, the upper member 16a of the hook member 16 can be locked to the horizontal member 14 and lifted by one person.
＜側板部材＞
側板部材１３は、底板部材１１の両側から上方（Ｚ方向）に立ち上げられた板状部材であり、梁底型枠１０の側壁を形成するものである。
側板部材１３としては、ベニア板を桟木で補強したものなどが挙げられる。
<Side plate member>
The side plate member 13 is a plate-shaped member raised upward (Z direction) from both sides of the bottom plate member 11 and forms a side wall of the beam bottom form 10.
Examples of the side plate member 13 include a veneer plate reinforced with a crosspiece.
＜水平部材＞
水平部材１４は、側板部材１３の外側に、水平方向に延伸して配置された棒状の部材である。
水平部材１４としては、木材、金属パイプなどが挙げられる。
実施形態１では、上方（Ｚ方向）に立ち上げられた側板部材１３の外側のそれぞれに、上下段２本の水平部材１４が配置されている。
水平部材１４を２本配置する理由は、下記に示すようにセパレータ部材の固定を確実にすることができるからである。
<Horizontal member>
The horizontal member 14 is a rod-shaped member arranged so as to extend in the horizontal direction on the outside of the side plate member 13.
Examples of the horizontal member 14 include wood and metal pipes.
In the first embodiment, two horizontal members 14 in the upper and lower stages are arranged on each of the outer sides of the side plate members 13 raised upward (Z direction).
The reason for arranging two horizontal members 14 is that the separator members can be securely fixed as shown below.
＜セパレータ部材＞
セパレータ部材１５は、２枚の側板部材１３の内側に配置されて、セパレータ部材１５を介して側板部材１３同士を固定連結する治具である。
また、側板部材１３の間隔を所定距離に保つ役割もある。
セパレータ部材１５としては、端部が雄ねじを有する鉄製の棒状部材などが挙げられる。
なお、セパレータ部材１５はコンクリート打設時にコンクリート内にそのまま埋め込みされる。
<Separator member>
The separator member 15 is a jig that is arranged inside the two side plate members 13 and fixes and connects the side plate members 13 to each other via the separator member 15.
It also has a role of keeping the distance between the side plate members 13 at a predetermined distance.
Examples of the separator member 15 include an iron rod-shaped member having a male screw at the end.
The separator member 15 is embedded in the concrete as it is at the time of placing the concrete.
＜押え部材＞
セパレータ部材１５の端部には、それぞれ押え部材１５ａが配設されており、セパレータ部材１５と押え部材１５ａとで側板部材１３を挟持するようにして、押え部材１５ａを水平部材１４に係止させるようにしている。
なお、実施形態１では、図５に示すように、セパレータ部材１５の端部は、上下２段に配設された水平部材１４の間の隙間に配置されており、その外側から押え部材１５ａが挿入されており、押え部材１５ａの後ろの雌ねじをセパレータ部材１５端部の雄ねじに螺合することによって、上下の水平部材１４に確実に固定されるようになっている。
<Presser member>
A pressing member 15a is arranged at each end of the separator member 15, and the pressing member 15a is locked to the horizontal member 14 by sandwiching the side plate member 13 between the separator member 15 and the pressing member 15a. I am doing it.
In the first embodiment, as shown in FIG. 5, the end portion of the separator member 15 is arranged in the gap between the horizontal members 14 arranged in the upper and lower two stages, and the pressing member 15a is arranged from the outside thereof. It is inserted, and by screwing the female screw behind the pressing member 15a into the male screw at the end of the separator member 15, it is securely fixed to the upper and lower horizontal members 14.
＜フック部材＞
フック部材１６は、底板受部材１２を水平部材１４に係止して（引っ掛け）留めるための治具である。
図４に示すように、ロッド部材１６ｃの上方には、水平部材１４に係止するための鈎状の上部材１６ａを備え、下方には、底板受部材１２の端部１２ａを挿通するための下部材１６ｂを備え、それらをロッド部材１６ｃを介して一体化している。
下部材１６ｂとしては、例えば、端部１２ａを挿通するために切断面「ロの字」状の開口部が形成された角パイプを切断したものが挙げられる。
また、ロッド部材１６ｃには雄ねじが形成されており、ロッド部材１６ｃの上方から挿入された上部材１６ａの上端面を雌ねじ１６ｄが螺合されて、上部材１６ａの上方（Ｚ方向）への移動を阻止している。
このように、フック部材１６は、上部材１６ａを水平部材１４に係止するとともに、下部材１６ｂに底板受部材１２ａの端部１２ａを挿入して吊り上げ、底板部材１１を、ボックス型枠１８の両側壁を形成する側板部材１３の下部に当接している。
なお、雌ねじ１６ｄは ロッド部材１６ｃの雄ねじと螺合して、ロッド部材１６ｃの任意の位置（高さ）に上部材１６ａを調整することができる。
<Hook member>
The hook member 16 is a jig for locking (hooking) the bottom plate receiving member 12 to the horizontal member 14.
As shown in FIG. 4, a hook-shaped upper member 16a for locking to the horizontal member 14 is provided above the rod member 16c, and an end portion 12a of the bottom plate receiving member 12 is inserted below. A lower member 16b is provided, and they are integrated via a rod member 16c.
Examples of the lower member 16b include those obtained by cutting a square pipe having an opening having a cut surface "square" shape for inserting the end portion 12a.
Further, a male screw is formed on the rod member 16c, and the female screw 16d is screwed onto the upper end surface of the upper member 16a inserted from above the rod member 16c to move the upper member 16a upward (Z direction). Is blocking.
In this way, the hook member 16 locks the upper member 16a to the horizontal member 14, inserts the end portion 12a of the bottom plate receiving member 12a into the lower member 16b, and lifts the bottom plate member 11 to the box formwork 18. It is in contact with the lower part of the side plate member 13 forming both side walls.
The female screw 16d can be screwed with the male screw of the rod member 16c to adjust the upper member 16a to an arbitrary position (height) of the rod member 16c.
＜端部受部材＞
ボックス型枠１８の長手方向端部１１ａが端部受部材１７に載置されて、梁底型枠１０を構成している。
端部受部材１７は、ボックス型枠１８の長手方向端部１１ａを支持して、吊り持ちの型枠にできる部材であれば特に指定するものではないが、木材などが好ましく挙げられる。
載置方法としては、安定して固定するためにボルト締めする方法などが好ましい。
<End receiving member>
The longitudinal end 11a of the box form 18 is placed on the end receiving member 17 to form the beam bottom form 10.
The end receiving member 17 is not particularly specified as long as it is a member that supports the longitudinal end 11a of the box form 18 and can be used as a hanging form, but wood or the like is preferably used.
As a mounting method, a method of bolting for stable fixing is preferable.
＜実施形態２の梁底型枠＞
図６は、実施形態２の梁底型枠５０を示す全体斜視図である。
実施形態２の梁底型枠５０は、実施形態１の梁底型枠１０を４台、平面視で十字状に組み合わせて配置したものである。
ボックス型枠１８の長手方向端部１１ａの一端が、それぞれ向かい合うようにして配置されるとともに、長手方向端部１１ａの一端を端部受部材１７に載置した。
この実施形態２の端部受部材１７は直方形に一体的に形成された共通のベースとなっており、４台のボックス型枠１８の長手方向端部１１ａのそれぞれの一端が、端部受部材１７の別個の上面に接続している。
一方、放射状に（平面視で十字になるように）配置されたボックス型枠１８の長手方向端部１１ａ他端は、それぞれが別個の端部受部材（図示せず）に載置されるようにしている。
なお、４台のボックス型枠１８の一端を共通の端部受部材１７に載置するに際し、打設するコンクリートの漏れを防止するために、側板部材１３の端部を延長した補助部材１３ａを用いている。
<Beam bottom formwork of embodiment 2>
FIG. 6 is an overall perspective view showing the beam bottom formwork 50 of the second embodiment.
The beam bottom formwork 50 of the second embodiment is a combination of four beam bottom formwork 10s of the first embodiment in a cross shape in a plan view.
One ends of the longitudinal end 11a of the box formwork 18 are arranged so as to face each other, and one end of the longitudinal end 11a is placed on the end receiving member 17.
The end receiving member 17 of the second embodiment is a common base integrally formed in a rectangular shape, and one end of each of the longitudinal end 11a of the four box formwork 18 is an end receiving member. It is connected to a separate upper surface of the member 17.
On the other hand, the other ends of the longitudinal end 11a of the box formwork 18 arranged radially (to form a cross in a plan view) are placed on separate end receiving members (not shown). I have to.
When placing one end of the four box formwork 18 on the common end receiving member 17, an auxiliary member 13a having an extended end of the side plate member 13 is provided in order to prevent leakage of the concrete to be cast. I am using it.
＜実施形態３の梁底型枠＞
図７は、実施形態３の梁底型枠６０を示す全体斜視図である。
実施形態３の梁底型枠６０は、実施形態１の梁底型枠１０を２台、平面視でＬ字状に組み合わせて配置した梁底型枠６０である。
ボックス型枠１８の長手方向端部１１ａの一端が、それぞれ向かい合うようにして配置されるとともに、長手方向端部１１ａの一端を端部受部材１７に載置した。
この実施形態３の端部受部材１７も、実施形態２と同じように直方形に一体的に形成された共通のベースとなっており、２台のボックス型枠１８の長手方向端部１１ａのそれぞれの一端が、端部受部材１７の別個の上面に接続している。
一方、平面視でＬ字状に配置されたボックス型枠１８の長手方向端部１１ａ他端は、それぞれが別個の端部受部材（図示せず）に載置されるようにしている。
なお、２台のボックス型枠１８の一端を共通の端部受部材１７に載置するに際し、打設するコンクリートの漏れを防止するために、側板部材１３の端部を延長した補助部材１３ａを用いている。
実施形態２、３の梁底型枠は、ボックス型枠１８を、図６では十字状、図７ではＬ字状に、複数台を組み合わせて使用した例であるが、複数台の梁底型枠１０を組み合わせて、それらの一端を向かい合わせて、端部受部材１７に載置するとともに、他端を、それぞれの個別の端部受部材に載置して梁底型枠とするものであれば、ボックス型枠１８の台数に限定されるものではない。
<Beam bottom formwork of embodiment 3>
FIG. 7 is an overall perspective view showing the beam bottom formwork 60 of the third embodiment.
The beam bottom formwork 60 of the third embodiment is a beam bottom formwork 60 in which two beam bottom formwork 10s of the first embodiment are arranged in an L-shape in a plan view.
One ends of the longitudinal end 11a of the box formwork 18 are arranged so as to face each other, and one end of the longitudinal end 11a is placed on the end receiving member 17.
The end receiving member 17 of the third embodiment also serves as a common base integrally formed in a rectangular shape as in the second embodiment, and is formed by the longitudinal end 11a of the two box formwork 18. Each end is connected to a separate upper surface of the end receiving member 17.
On the other hand, the other ends of the longitudinal end 11a of the box form 18 arranged in an L shape in a plan view are respectively placed on separate end receiving members (not shown).
When placing one end of the two box formwork 18 on the common end receiving member 17, an auxiliary member 13a having an extended end of the side plate member 13 is provided in order to prevent leakage of the concrete to be cast. I am using it.
The beam bottom formwork of the second and third embodiments is an example in which the box formwork 18 is used in combination with a plurality of units in a cross shape in FIG. 6 and an L shape in FIG. 7, but a plurality of beam bottom types Frames 10 are combined and one ends of them are placed facing each other on the end receiving member 17, and the other end is placed on each individual end receiving member to form a beam bottom formwork. If there is, it is not limited to the number of box formwork 18.
本発明の梁底型枠は、底梁型枠の組立て、保持、少ない部材点数で確実に行い、解体を簡易迅速に行うことができるので、鉄筋コンクリート構造物の、主として基礎施工において使用する梁底型枠に広く適用され、ビルの梁や柱、床スラブ等の躯体成形に際して広く採用されることができる。 The beam bottom formwork of the present invention can assemble, hold, and reliably disassemble the bottom beam formwork with a small number of members, and can be easily and quickly disassembled. Therefore, the beam bottom used mainly in foundation construction of reinforced concrete structures. It is widely applied to formwork and can be widely used for skeleton molding of building beams, columns, floor slabs, etc.
１０ 実施形態１の梁底型枠
１１ 底板部材
１１ａ 長手方向端部
１２ 底板受部材
１２ａ 端部
１３ 側板部材
１３ａ 補助部材
１４ 水平部材
１５ セパレータ部材
１５ａ 押え部材
１６ フック部材
１６ａ 上部材
１６ｂ 下部材
１６ｃ ロッド部材
１６ｄ 雌ねじ
１７ 端部受部材
１８ ボックス型枠
５０ 実施形態２の梁底型枠
６０ 実施形態３の梁底型枠
10 Beam bottom formwork of the first embodiment 11 Bottom plate member 11a Longitudinal end portion 12 Bottom plate receiving member 12a End portion 13 Side plate member 13a Auxiliary member 14 Horizontal member 15 Separator member 15a Pressing member 16 Hook member 16a Upper member 16b Lower member 16c Rod Member 16d Female screw 17 End receiving member 18 Box formwork 50 Beam bottom formwork of embodiment 2 Beam bottom formwork of embodiment 3
Claims (3)
前記底板部材の下側に固定されるとともに幅方向（Ｙ方向）に延伸して配置された底板受部材と、
前記底板部材の長手方向（Ｘ方向）に沿ってその両側から上方（Ｚ方向）に立ち上がった側板部材と、
前記側板部材の外側に設けられ水平方向（Ｘ方向）に延伸して配置された水平部材と、
前記側板部材同士をその内側で連結するセパレータ部材と、
前記底板受部材の端部を持ち上げて前記水平部材に係止するためのフック部材と、を備え、
前記セパレータ部材の両端に設けられた押え部材によって、
前記水平部材を前記側板部材に固定してボックス型枠とし、
該ボックス型枠の長手方向端部を端部受部材に載置して構成されたことを特徴とする梁底型枠。 Bottom plate member and
A bottom plate receiving member fixed to the lower side of the bottom plate member and extended in the width direction (Y direction).
A side plate member that rises upward (Z direction) from both sides of the bottom plate member along the longitudinal direction (X direction).
A horizontal member provided on the outside of the side plate member and extended in the horizontal direction (X direction), and a horizontal member.
A separator member that connects the side plate members to each other inside the side plate member,
A hook member for lifting the end portion of the bottom plate receiving member and locking the end portion to the horizontal member is provided.
By the pressing members provided at both ends of the separator member
The horizontal member is fixed to the side plate member to form a box formwork.
A beam bottom formwork characterized in that a longitudinal end portion of the box formwork is placed on an end receiving member.
上下段に配設された水平部材の上下間の隙間に配置されており、
その外側から押え部材が挿入されおり、
押え部材は上下の水平部材に固定されていることを特徴とする請求項１に記載の梁底型枠。 The end of the separator member
It is arranged in the gap between the upper and lower sides of the horizontal members arranged in the upper and lower stages.
The holding member is inserted from the outside,
The beam bottom formwork according to claim 1, wherein the pressing member is fixed to upper and lower horizontal members.
端部受部材に載置するとともに、
他端を、それぞれの個別の端部受部材に載置して構成したものであることを特徴とする請求項１又は２に記載の梁底型枠。 There are a plurality of beam bottom formwork, and one ends of them are combined facing each other.
It is placed on the end receiving member and
The beam bottom form according to claim 1 or 2, wherein the other end is placed on each individual end receiving member.
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