JP3243397U - End formwork and formwork systems for prefabricated prestressed box girders - Google Patents
End formwork and formwork systems for prefabricated prestressed box girders Download PDFInfo
- Publication number
- JP3243397U JP3243397U JP2023002234U JP2023002234U JP3243397U JP 3243397 U JP3243397 U JP 3243397U JP 2023002234 U JP2023002234 U JP 2023002234U JP 2023002234 U JP2023002234 U JP 2023002234U JP 3243397 U JP3243397 U JP 3243397U
- Authority
- JP
- Japan
- Prior art keywords
- formwork
- prefabricated
- box girder
- prefabricated prestressed
- bottom plate
- 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.)
- Active
Links
Landscapes
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
【課題】テンショントンネルを一時設置する方式に比べ、施工コストを低減させ、施工効率を向上させる、プレハブ式予応力ボックスガーダーの端部型枠と型枠システムを、提供する。【解決手段】端部型枠は、型枠本体10の中部に内型枠を取り付けるための予約穴位置11が開設され、型枠本体の外側面にさらに少なくとも二つの突起12が設置され、少なくとも二つの突起がそれぞれ型枠本体の外側面の両側に位置し、突起上に予応力鉄筋を通過させるためのテンショントンネル120が開設され、テンショントンネルと予約穴位置は、いずれも型枠本体の厚さ方向において貫通する。端部型枠の型枠本体上に突起を設置し、且つ突起上にテンショントンネルを設置する方式とする。【選択図】図1An end formwork and formwork system for a prefabricated prestressed box girder that reduces construction costs and improves construction efficiency compared to temporary installation of a tension tunnel. The end formwork has a reserved hole position 11 for attaching an inner formwork in the middle part of the formwork body 10, and at least two protrusions 12 are further installed on the outer surface of the formwork body. Two protrusions are located on both sides of the outer surface of the formwork body, respectively, and tension tunnels 120 are opened for passing the prestressed reinforcing bars over the protrusions. pierce in the vertical direction. A projection is installed on the formwork body of the end formwork, and a tension tunnel is installed on the projection. [Selection drawing] Fig. 1
Description
本出願は、ボックスガーダー型枠の技術分野に関し、具体的にプレハブ式予応力ボックスガーダーの端部型枠と型枠システムに関する。 The present application relates to the technical field of box girder formwork, and in particular to end formwork and formwork systems for prefabricated prestressed box girders.
予応力ボックスガーダー製作中において、端部型枠は、一般的には二つに分けられ、一つは、木製型枠を採用し、取り付けが時間かかり、循環使用率が低く、コストを増加させ、且つ強度が低くて破壊しやすく、他は、鋼製型枠を採用し、循環使用率が高く且つ破壊しにくい。予応力ボックスガーダーは、施工中において、いずれも予応力鉄筋構造を設置する必要があり、従来の端部型枠は、いずれも対応するトンネルが設置されないため一時追加する必要があり、設計要求を満たすことができないだけでなく、さらに施工コストを増加させる。 During the prestressing box girder production, the end formwork is generally divided into two parts. , and the strength is low and it is easy to break; Prestressed box girders all need to install prestressed rebar structures during construction, and conventional end formwork needs to be temporarily added because the corresponding tunnels are not installed. Not only can it not be met, but it also increases construction costs.
本出願は、プレハブ式予応力ボックスガーダーの端部型枠と型枠システムを提供して、端部型枠のテンショントンネルを設置する設計要求を満たし、且つ施工コストを低減させ、施工効率を向上させる。 The present application provides a prefabricated prestressed box girder end formwork and formwork system to meet the design requirements of installing end formwork tension tunnels, reduce construction costs, and improve construction efficiency. Let
本出願の第一の態様によれば、本出願は、プレハブ式予応力ボックスガーダーの端部型枠を提供し、この端部型枠は、型枠本体を含み、前記型枠本体の中部に内型枠を取り付けるための予約穴位置が開設され、前記型枠本体の外側面にさらに少なくとも二つの突起が設置され、前記少なくとも二つの突起がそれぞれ前記型枠本体の外側面の両側に位置し、前記突起上に予応力鉄筋を通過させるためのテンショントンネルが開設され、前記テンショントンネルと前記予約穴位置は、いずれも前記型枠本体の厚さ方向において貫通する。 SUMMARY OF THE INVENTION According to a first aspect of the present application, the present application provides an end formwork for a prefabricated prestressed box girder, the end formwork comprising a formwork body, and in the middle of said formwork body: A reserved hole position for installing the inner formwork is provided, and at least two protrusions are further installed on the outer surface of the formwork body, and the at least two protrusions are respectively located on both sides of the outer surface of the formwork body. , a tension tunnel is opened for the prestressed reinforcing bar to pass over the projection, and both the tension tunnel and the reserved hole position pass through the formwork body in the thickness direction.
少なくとも二つの連結アセンブリをさらに含み、前記少なくとも二つの連結アセンブリは、前記型枠本体の対向する両側を外部構造と取り外し可能に連結するために用いられる。 Further comprising at least two connection assemblies, said at least two connection assemblies being used to removably connect opposite sides of said formwork body to an external structure.
前記連結アセンブリは、四つ設置され、前記連結アセンブリは、二つずつ前記型枠本体の対向する両側を外部構造と取り外し可能に連結する。 Four of the connecting assemblies are installed, and two of the connecting assemblies detachably connect opposite sides of the formwork body to an external structure.
前記連結アセンブリは、位置決めスリーブ、耳板、及びスクリューを含み、前記耳板は、前記位置決めスリーブの外壁上に回転可能に取り付けられ、前記位置決めスリーブの内部に前記スクリューに適合する雌ねじ穴が設置され、前記スクリューは、前記雌ねじ穴内に螺着され、前記型枠本体上に連結ねじ穴が設置され、前記スクリューの一端は、前記連結ねじ穴内に螺着され、前記耳板は、外部構造を取り外し可能に連結する。 The connecting assembly includes a positioning sleeve, an ear plate, and a screw, the ear plate being rotatably mounted on the outer wall of the positioning sleeve, and a female threaded hole matching the screw being provided inside the positioning sleeve. , the screw is threaded into the female threaded hole, a connecting threaded hole is installed on the form body, one end of the screw is threaded into the connecting threaded hole, and the ear plate removes the outer structure connect as possible.
前記耳板上に連結穴が設置され、前記連結穴は、外部構造と取り外し可能に連結するために用いられる。 A connection hole is provided on the ear plate, and the connection hole is used to detachably connect with an external structure.
前記型枠本体の内側面にさらに複数の補強板が設置され、前記複数の補強板は、横方向及び/又は縦方向に沿って前記型枠本体の側辺、中部に設置される。
前記型枠本体の底部に櫛歯状構造が設置され、前記櫛歯状構造は、露出鉄筋を延出させるために用いられる。
A plurality of reinforcing plates are further installed on the inner surface of the form body, and the plurality of reinforcing plates are installed on the side and middle portions of the form body along the lateral direction and/or the longitudinal direction.
A comb-like structure is installed on the bottom of the formwork body, and the comb-like structure is used to extend the exposed rebar.
前記型枠本体は、頂板、底板、及び二つの側板を含み、前記頂板と前記底板は、前記二つの側板の間に連結され、且つ前記頂板は、前記底板の上方に位置し、前記頂板、底板、二つの側板は、前記予約穴位置となるように囲み、前記二つの側板上にいずれも二つの突起がそれぞれ設置され、前記底板上に前記櫛歯状構造が設置され、前記頂板、底板、二つの側板は、いずれも同一の平面内に位置する。 The formwork body includes a top plate, a bottom plate and two side plates, wherein the top plate and the bottom plate are connected between the two side plates, the top plate is located above the bottom plate, and the top plate, the bottom plate , two side plates surround the position of the reserved hole, each of the two side plates is provided with two protrusions, the bottom plate is provided with the comb structure, the top plate, the bottom plate, Both side plates are located in the same plane.
本出願の第二の態様によれば、本出願は、プレハブ式予応力ボックスガーダーの型枠システムを提供し、このシステムは、前記のプレハブ式予応力ボックスガーダーの端部型枠を含む。 According to a second aspect of the present application, the present application provides a formwork system for a prefabricated prestressed box girder, the system comprising an end formwork for said prefabricated prestressed box girder.
本出願によるプレハブ式予応力ボックスガーダーの端部型枠と型枠システムによれば、端部型枠の型枠本体上に突起を設置し、且つ突起上にテンショントンネルを設置する方式は、従来においてテンショントンネルを一時設置する方式に比べ、設計要求を満たすことができるだけでなく、さらに施工コストを低減させ、施工効率を向上させることができる。 According to the end formwork and formwork system of the prefabricated prestressed box girder according to the present application, the method of installing a projection on the formwork body of the end formwork and installing a tension tunnel on the projection is conventionally Compared to the method of temporarily installing a tension tunnel in , it can not only meet the design requirements, but also reduce construction costs and improve construction efficiency.
<実施例1>
図1-図5を参照すると、本実施例によるプレハブ式予応力ボックスガーダーの端部型枠は、型枠本体10を含み、この型枠本体10は、鋼材質を採用して製作されてなり、型枠本体10の中部に予約穴位置11が開設され、この予約穴位置11は、内型枠を取り付けるために用いられるとともに、この予約穴位置11は、本型枠本体10が中空状構造に形成されるようにする。型枠本体10の外側面にさらに少なくとも二つの突起12が設置され、各突起12は、それぞれ型枠本体10の外側面の両側に位置する。各突起12上にテンショントンネル120が開設され、このテンショントンネル120は、予応力鉄筋を通過させるために用いられる。説明すべきこととして、テンショントンネル120と予約穴位置11は、いずれも型枠本体10の厚さ方向において貫通する。
<Example 1>
1 to 5, the end formwork of the prefabricated prestressed box girder according to this embodiment includes a formwork body 10, which is made of steel. , a reserved hole position 11 is opened in the middle part of the formwork body 10, and this reserved hole position 11 is used to attach the inner formwork, and this reserved hole position 11 is such that the formwork body 10 has a hollow structure. be formed to At least two protrusions 12 are further installed on the outer surface of the formwork body 10 , and each protrusion 12 is located on both sides of the outer surface of the formwork body 10 respectively. A tension tunnel 120 is opened on each projection 12, and this tension tunnel 120 is used to pass the prestressed rebar. It should be noted that both the tension tunnel 120 and the reserved hole location 11 pass through the form body 10 in the thickness direction.
本実施例では、端部型枠の型枠本体上に突起12を設置し、且つ突起12上にテンショントンネル120を設置する方式は、従来においてテンショントンネルを一時設置する方式に比べ、設計要求を満たすことができるだけでなく、さらに施工コストを低減させ、施工効率を向上させることができる。 In this embodiment, the method of installing the projection 12 on the formwork main body of the end mold and installing the tension tunnel 120 on the projection 12 reduces the design requirements compared to the conventional method of temporarily installing the tension tunnel. It not only satisfies the requirements, but also reduces construction costs and improves construction efficiency.
図6-図8を参照すると、一実施例では、本出願によるプレハブ式予応力ボックスガーダーの端部型枠は、少なくとも二つの連結アセンブリ20をさらに含み、各連結アセンブリ20は、型枠本体10の対向する両側を外部構造100と取り外し可能に連結するために用いられ、ここで、この外部構造100は、プレハブ式予応力ボックスガーダーを設置するための側型枠である。連結アセンブリ20を介して取り外し可能に連結する方式は、プレハブ式予応力ボックスガーダーの製作が完了した後に、端部型枠を取り外し、端部型枠の循環率を向上させることができる。 6-8, in one embodiment, the prefabricated prestressed box girder end formwork according to the present application further includes at least two connection assemblies 20, each connection assembly 20 connecting the formwork body 10 is used to removably connect opposite sides of the to an external structure 100, where the external structure 100 is a side formwork for installing a prefabricated prestressed box girder. The detachable connection via the connection assembly 20 allows the end forms to be removed after the fabrication of the prefabricated prestressed box girder is completed to improve the circulation rate of the end forms.
一つの実施例では、連結アセンブリ20は、四つ設置され、連結アセンブリ20は、二つずつ型枠本体10の対向する両側を外部構造100と取り外し可能に連結する。 In one embodiment, four connecting assemblies 20 are provided, two connecting assemblies 20 detachably connecting opposite sides of the formwork body 10 to the outer structure 100 .
好ましい実施例では、型枠本体10は、近似的に矩形形状であり、四つの連結アセンブリ20は、それぞれ矩形形状の型枠本体10の四角を外部構造と連結する。 In the preferred embodiment, the formwork body 10 is approximately rectangular in shape, and four connection assemblies 20 each connect a square of the rectangular-shaped formwork body 10 to the external structure.
図8を参照すると、連結アセンブリ20は、位置決めスリーブ21、耳板22、及びスクリュー23を含む。耳板22は、位置決めスリーブ21の外壁上に回転可能に取り付けられ、位置決めスリーブ21の内部にスクリュー23に適合する雌ねじ穴が設置され、スクリュー23は、雌ねじ穴内に螺着され、図2と図3に示すように、型枠本体10上に連結ねじ穴13が設置され、スクリュー23の一端は、連結ねじ穴13内に螺着され、図6と図7に示すように、耳板22は、外部構造100を取り外し可能に連結する。 Referring to FIG. 8 , coupling assembly 20 includes positioning sleeve 21 , ear plate 22 and screw 23 . The ear plate 22 is rotatably mounted on the outer wall of the positioning sleeve 21, and a female threaded hole is provided inside the positioning sleeve 21 to match the screw 23, and the screw 23 is screwed into the female threaded hole, as shown in FIGS. 3, a connecting screw hole 13 is installed on the form body 10, one end of the screw 23 is screwed into the connecting screw hole 13, and the edge plate 22 is shown in FIGS. , removably connect the outer structure 100 .
本実施例では、耳板22上に連結穴220が設置され、この連結穴220は、外部構造100と取り外し可能に連結するために用いられる。より具体的には、外部構造上に該当するボルト穴が設置され、締付ボルトを連結穴220に挿入し且つボルト穴に螺着する方式によって耳板22と外部構造100を取り外し可能に連結する。 In this embodiment, a connecting hole 220 is provided on the ear plate 22 , and this connecting hole 220 is used to detachably connect with the external structure 100 . More specifically, a corresponding bolt hole is installed on the outer structure, and a fastening bolt is inserted into the connecting hole 220 and screwed into the bolt hole to detachably connect the ear plate 22 and the outer structure 100. .
図1と図3に示すように、型枠本体10の内側面にさらに複数の補強板14が設置され、各補強板14は、横方向及び/又は縦方向に沿って型枠本体10の側辺、中部に設置される。言い換えれば、複数の補強板14のうちの一部の数量の補強板は、型枠本体10の側辺エッジに沿って設置され、他の数量の補強板14は、型枠本体10の中部に設置されてもよい。 As shown in FIGS. 1 and 3, a plurality of reinforcing plates 14 are further installed on the inner surface of the formwork body 10, and each reinforcing plate 14 extends laterally and/or longitudinally along the side of the formwork body 10. Installed on the sides and in the middle. In other words, some of the plurality of reinforcing plates 14 are installed along the side edges of the form body 10 , and the other number of reinforcing plates 14 are installed in the middle of the form body 10 . may be installed.
型枠本体10の底部に櫛歯状構造15が設置され、この櫛歯状構造15は、露出鉄筋を延出させるために用いられる。 A comb-like structure 15 is installed on the bottom of the formwork body 10, and this comb-like structure 15 is used to extend the exposed reinforcing bars.
続いて図1を参照すると、型枠本体10は、頂板16、底板17、及び二つの側板18を含み、ここで、頂板16と底板17は、二つの側板18の間に連結されるとともに、頂板16は、底板17の上方に位置し、頂板16、底板17、二つの側板18は、予約穴位置11となるように囲み、二つの側板18上にいずれも二つの突起12がそれぞれ設置され、前述した櫛歯状構造15は、底板17上に設置され、頂板16、底板17、二つの側板18は、いずれも同一の平面内に位置し、それによって本型枠本体を形成する。 With continued reference to FIG. 1, the formwork body 10 includes a top plate 16, a bottom plate 17 and two side plates 18, wherein the top plate 16 and the bottom plate 17 are connected between the two side plates 18 and The top plate 16 is positioned above the bottom plate 17, and the top plate 16, the bottom plate 17, and the two side plates 18 surround the reserved hole position 11, and each of the two side plates 18 has two projections 12 respectively. , the aforementioned comb-like structure 15 is installed on the bottom plate 17, and the top plate 16, the bottom plate 17 and the two side plates 18 are all located in the same plane, thereby forming the present form body.
<実施例2>
本実施例は、プレハブ式予応力ボックスガーダーの型枠システムを提供し、このシステムは、実施例1に記載のプレハブ式予応力ボックスガーダーの端部型枠を含み、この端部型枠のすべての構造と特徴は、すでに上記実施例で詳細に説明され、ここでこれ以上説明しない。
<Example 2>
This example provides a prefabricated prestressed box girder formwork system comprising the end formwork of the prefabricated prestressed box girder according to example 1, all of which end formwork The structure and features of have already been described in detail in the above embodiments and will not be further described here.
以上をまとめると、本出願によるプレハブ式予応力ボックスガーダーの端部型枠と型枠システムについて、端部型枠の型枠本体上に突起を設置し、且つ突起上にテンショントンネルを設置する方式は、従来においてテンショントンネルを一時設置する方式に比べ、設計要求を満たすことができるだけでなく、さらに施工コストを低減させ、施工効率を向上させることができる。 In summary, for the end formwork and formwork system of the prefabricated prestressed box girder according to the present application, the method of setting the projection on the formwork body of the end formwork and setting the tension tunnel on the projection Compared to the conventional method of temporarily installing a tension tunnel, this method not only satisfies the design requirements, but also reduces the construction cost and improves the construction efficiency.
10 型枠本体
11 予約穴位置
12 突起
120 テンショントンネル
10 form body 11 reserved hole position 12 protrusion 120 tension tunnel
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2023002234U JP3243397U (en) | 2023-06-26 | 2023-06-26 | End formwork and formwork systems for prefabricated prestressed box girders |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2023002234U JP3243397U (en) | 2023-06-26 | 2023-06-26 | End formwork and formwork systems for prefabricated prestressed box girders |
Publications (1)
Publication Number | Publication Date |
---|---|
JP3243397U true JP3243397U (en) | 2023-08-24 |
Family
ID=87576156
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2023002234U Active JP3243397U (en) | 2023-06-26 | 2023-06-26 | End formwork and formwork systems for prefabricated prestressed box girders |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP3243397U (en) |
-
2023
- 2023-06-26 JP JP2023002234U patent/JP3243397U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR101432260B1 (en) | Steel-exposed type steel framed reinforced concrete pillar | |
CN113089825B (en) | Beam-column mixed frame node, preparation method of precast concrete beam and construction method of precast concrete beam | |
WO2017034354A1 (en) | Structure for fixating deck formwork | |
JP2023106618A (en) | Beam structure, support member for beam main reinforcement, and reinforcement method for beam main reinforcement | |
CN109812010A (en) | A kind of whole template of shear Wall steel joist exempts from aperture formwork and its construction method | |
JP3243397U (en) | End formwork and formwork systems for prefabricated prestressed box girders | |
KR20190120853A (en) | Couple girder | |
KR200357642Y1 (en) | Reinforcement structure of inconner panel | |
KR101530761B1 (en) | Apparatus for connecting two slabs and rigid-frame bridge manufacturing method having the same | |
CN115538675A (en) | Steel beam and prefabricated floor slab connecting joint | |
CN213897801U (en) | Quick mounting structure for upper reinforcing steel bars of prefabricated superposed beams | |
KR100695491B1 (en) | A fixing device, a pre-fabricating forms for concrete-structure and the construction method thereof | |
KR20160019286A (en) | Psc girder with end diaphragm and semi-integral abutment bridge construction method therewith | |
CN209686855U (en) | A kind of shear wall exempts from aperture support template structure | |
CN210173850U (en) | Window opening mold for prefabricated wall board | |
KR200400109Y1 (en) | Arch-shaped precast panel for building arch-type slab | |
CN217680485U (en) | Concrete wall formwork installation structure | |
CN217196072U (en) | End formwork and formwork system for prefabricated prestressed box girder | |
CN215802567U (en) | Floor slab using concrete laminated slab | |
CN215948676U (en) | Standard modular prefabricated shear wall inner wall plate and prefabricated shear wall inner wall | |
CN211597740U (en) | Improved device for combining and separating skin concrete facing layer material and external template | |
CN212956123U (en) | Concrete bridge deck connection structure | |
KR0145358B1 (en) | Method of building slabs | |
CN216921343U (en) | Template system suitable for single-side narrow installation space | |
CN213597260U (en) | Double-skin wall structure |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20230711 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 3243397 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |