JP2729711B2 - Precast concrete board for composite floorboard construction and composite floorboard construction method - Google Patents

Precast concrete board for composite floorboard construction and composite floorboard construction method

Info

Publication number
JP2729711B2
JP2729711B2 JP3191860A JP19186091A JP2729711B2 JP 2729711 B2 JP2729711 B2 JP 2729711B2 JP 3191860 A JP3191860 A JP 3191860A JP 19186091 A JP19186091 A JP 19186091A JP 2729711 B2 JP2729711 B2 JP 2729711B2
Authority
JP
Japan
Prior art keywords
precast concrete
floorboard
composite
corrugated
alternately
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 - Fee Related
Application number
JP3191860A
Other languages
Japanese (ja)
Other versions
JPH0533416A (en
Inventor
敏 小早川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujita Kk
Original Assignee
Fujita Kk
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Fujita Kk filed Critical Fujita Kk
Priority to JP3191860A priority Critical patent/JP2729711B2/en
Publication of JPH0533416A publication Critical patent/JPH0533416A/en
Application granted granted Critical
Publication of JP2729711B2 publication Critical patent/JP2729711B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【産業上の利用分野】本発明は波形のプレキャストコン
クリート床板を使用した合成床板の構築方法及び同方法
に用いるプレキャストコンクリート平板に係るものであ
る。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for constructing a composite floorboard using a corrugated precast concrete floorboard and a precast concrete flat plate used in the method.

【0002】[0002]

【従来の技術】従来の合成床板における中空部の成型に
は、フラツトな床部材の場合、通常薄肉の円形のスパイ
ラルシース管が埋設されていた。
2. Description of the Related Art In the case of a flat floor member, a thin circular spiral sheath tube is usually embedded in the molding of a hollow portion in a conventional synthetic floor plate.

【0003】[0003]

【発明が解決しようとする課題】しかしながら断面性能
を向上するため、三角形断面の床部材を使用する場合、
中空部成形のための簡便で効果的な手段はなかった。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床部材の軽量化を確保しな
がら、断面性能の向上を図ることができ、且つ打設コン
クリート量を節減しうる合成床板の構築方法及び同方法
に用いるプレキャストコンクリート平板を提供する点に
ある。
However, in order to improve the cross-sectional performance, when a floor member having a triangular cross section is used,
There was no simple and effective means for forming the hollow part. SUMMARY OF THE INVENTION The present invention has been proposed in view of the problems of the prior art, and the object thereof is to improve the cross-sectional performance while securing the weight of the floor member, and to reduce the amount of cast concrete. Another object of the present invention is to provide a method for constructing a composite floorboard capable of reducing the above-mentioned problems and a precast concrete plate used in the method.

【0004】[0004]

【課題を解決するための手段】前記の目的を達成するた
め、本発明に係る合成床板構築用プレキャストコンクリ
ート板は、幅方向に亘って補強筋が配筋されたプレキャ
ストコンクリート平板の長手方向に所定間隔毎に、表裏
交互に幅方向に延びる折曲げ用欠截部を設けてなり、同
各欠截部において前記平板が表裏交互に折曲げられ、同
各折曲げ部片によって波形のプレキャストコンクリート
床板が形成されるように構成されてなることを特徴とす
るものである。
In order to achieve the above object, a precast concrete plate for constructing a composite floorboard according to the present invention is provided in a longitudinal direction of a precast concrete plate having reinforcing bars arranged in the width direction. At each interval, a notch for bending extending in the width direction alternately in the front and back is provided, and the flat plate is alternately bent in each of the notches, and the corrugated precast concrete floor plate is bent by each of the bent pieces. Is formed.

【0005】請求項2の発明によれば、幅方向に亘って
補強筋が配筋されたプレキャストコンクリート平板の長
手方向に所定間隔毎に表裏交互に幅方向に延びる折曲げ
用欠截部が設けられた合成床板構築用プレキャスト構築
板を、前記各欠截部において表裏交互に折曲げて波形の
プレキャストコンクリート床板を形成し、同床板にコン
クリートを打設するものである。
According to the second aspect of the present invention, a precast concrete slab in which reinforcing bars are arranged in the width direction is provided with bending notches extending in the width direction alternately in the longitudinal direction at predetermined intervals in the longitudinal direction. The obtained precast construction board for constructing a composite floorboard is bent alternately from front to back at each of the cutouts to form a corrugated precast concrete floorboard, and concrete is poured into the floorboard.

【0006】請求項3の発明によれば、前記波形のプレ
キャストコンクリート床板における相隣る折曲げ部片間
に形成された上端面が開放された空間に軽量の中空部成
形部材を嵌装したのち、後打ちコンクリートを打設する
ものである。
According to the third aspect of the present invention, a lightweight hollow molding member is fitted into a space in which the upper end surface formed between adjacent bent portions of the corrugated precast concrete floorboard is open. And after-cast concrete.

【0007】[0007]

【作用】本発明によれば前記したように、幅方向に亘っ
て補強筋が配筋されたプレキャストコンクリート平板
を、長手方向に亘って所定間隔毎に表裏交互に幅方向に
延びる折曲げ用欠截部を設け、同各欠截部において前記
平板を表裏交互に折曲げることによって、断面性能が向
上された波形のプレキャストコンクリート床板が構成さ
れる。
According to the present invention, as described above, a precast concrete slab having reinforcing bars arranged in the width direction is formed by bending front and back alternately in the width direction at predetermined intervals in the longitudinal direction. By forming a cut portion and alternately bending the flat plate at each of the cut portions, a corrugated precast concrete floor plate having improved cross-sectional performance is formed.

【0008】而して前記波形のプレキャストコンクリー
ト床板を構成する際、前記プレキャストコンクリート平
板の折曲げ角度を、スパンや積載条件に応じて所要の角
度に選択することによって、構造上合理的な合成床板が
構成される。請求項2の発明は、前記のようにして構成
された波形のプレキャストコンクリート床板にコンクリ
ートを打設することによって構造上信頼性の高い合成床
板が構成される。
When the corrugated precast concrete slab is constructed, the bent angle of the precast concrete slab is selected to a required angle in accordance with the span and the loading conditions, thereby providing a structurally rational composite floor slab. Is configured. According to a second aspect of the present invention, a composite floor slab having a high structural reliability is constructed by placing concrete on the corrugated precast concrete slab constructed as described above.

【0009】請求項3の発明は、前記波形のプレキャス
トコンクリート床板の相隣る折曲げ部片間に形成され、
上面が開放された空間に軽量の中空部成形部材を嵌装す
ることによって、中空部の成型が簡単に行なわれ、断面
性能を低減することなく軽量化が図られる。
The invention according to claim 3 is formed between adjacent bent portions of the corrugated precast concrete floor plate,
By fitting a light-weight hollow part forming member into a space whose upper surface is open, the hollow part can be easily formed, and the weight can be reduced without reducing the cross-sectional performance.

【0010】[0010]

【実施例】以下本発明を図示の実施例について説明す
る。図4において1はプレキャストコンクリート平板
で、幅方向に亘って補強筋2が配筋されている。前記平
板1の長手方向には所定間隔毎に、表裏交互に幅方向に
延びる折曲げ用欠截部3が設けられ、同各欠截部3にお
いて前記平板1が上下に交互に折曲げられ、同各折曲げ
部片1aによって波形のプレキャストコンクリート床板
Aが形成される。(図1及び図2参照)この際、前記平
板1における折曲げ部片1aを、スパンや積載荷重条件
に応じて任意の角度に折り曲げることによって、スパン
や積載荷重条件に対応した構造上合理的な合成床板を構
成できる。
BRIEF DESCRIPTION OF THE DRAWINGS FIG. In FIG. 4, reference numeral 1 denotes a precast concrete plate, and reinforcement bars 2 are arranged in the width direction. In the longitudinal direction of the flat plate 1, bent notches 3 extending in the width direction alternately in the front and back are provided at predetermined intervals, and the flat plate 1 is alternately bent up and down in each of the cut portions 3. A corrugated precast concrete floor panel A is formed by each of the bent pieces 1a. (See FIGS. 1 and 2) At this time, the bent portion 1a of the flat plate 1 is bent at an arbitrary angle in accordance with the span and the load condition, thereby achieving a structurally reasonable response to the span and the load condition. A simple composite floorboard can be constructed.

【0011】前記のように構成されたプレキャストコン
クリート床板Aを梁間に架設し、同床板A上に後打ちコ
ンクリートBを打設して合成床板を構成する。図1は長
スパン、大荷重の場合における本発明によって構成され
た合成床板を示し、図2は小スパン、小荷重の場合にお
ける本発明によって構成された合成床板を示す。
The precast concrete slab A constructed as described above is laid between beams, and post-cast concrete B is cast on the slab A to form a composite slab. FIG. 1 shows a composite floorboard constructed according to the invention for a long span, large load, and FIG. 2 shows a composite floorboard constructed according to the invention for a small span, small load.

【0012】図3は合成床板躯体の軽量化を図る場合に
おける本発明の実施例を示し、前記波形のプレキャスト
コンクリート床板Aにおける相隣る折曲げ部片1a間に
形成された上端面が開放された空間に、発泡スチロール
の如き軽量の中空部成形部材Cを嵌装したのち、後打ち
コンクリートBを打設し、合成床の軽量化を確保すると
ともに、断面性能の向上を図ることができ、打設コンク
リート量を削減することができるものである。
FIG. 3 shows an embodiment of the present invention in which the weight of the composite floor slab is reduced, and the upper end face formed between adjacent bent parts 1a of the corrugated precast concrete floor slab A is opened. After fitting a lightweight hollow part forming member C such as Styrofoam into the open space, a post-cast concrete B is cast to secure the weight of the composite floor and improve the cross-sectional performance. The amount of concrete can be reduced.

【0013】なお前記各実施例において、補強筋2とし
て、プレストレス導入用緊張鋼材を使用して、合成床の
構造性能をより向上しうるものである。
In each of the above embodiments, the reinforcing bars 2 are made of a prestressed tensile steel material, so that the structural performance of the composite floor can be further improved.

【0014】[0014]

【発明の効果】本発明によれば前記したように、幅方向
に補強筋が配筋されたプレキャストコンクリート平板
を、長手方向に亘って所定間隔毎に表裏交互に幅方向に
延びる折曲げ用欠截部において任意の角度に表裏に交互
に折り曲げて、波形のプレキャストコンクリート床板を
構成し、前記平板の折り曲げ角度を選定することによっ
て、スパン、積載荷重条件に対応した合成床板を構成す
ることができるものである。また前記平板の折曲げには
蝶番を配設する等の特別の設備を要せず、構成が簡略化
される。
According to the present invention, as described above, a precast concrete plate having reinforcing bars arranged in the width direction is formed by bending the front and back alternately in the width direction at predetermined intervals in the longitudinal direction. By alternately bending front and back at an arbitrary angle in the cut portion to form a corrugated precast concrete floor plate, and selecting the bending angle of the flat plate, it is possible to configure a composite floor plate corresponding to a span and a load condition. Things. In addition, the folding of the flat plate does not require a special facility such as a hinge, and the configuration is simplified.

【0015】請求項2の発明は、表裏交互に幅方向に延
びる欠截部を利用してプレキャストコンクリート平板を
表裏交互に折曲げ、容易に波形のプレキャストコンクリ
ート床板を形成し、同床板にコンクリートを打設するこ
とによって、簡単に合成床板を施工しうるものである。
請求項3の発明は、前記波形のプレキャストコンクリー
ト床板の相隣る折曲げ部片間に形成された、上面が開放
された空間に、軽量の中空部成形部材を嵌装することに
よって、床部材の軽量化を確保しながら断面性能の向上
を図ることが可能であり、また打設コンクリート量を節
減しうるものである。
According to a second aspect of the present invention, a precast concrete slab is bent alternately from front to back using a cut portion extending alternately in the width direction to form a corrugated precast concrete slab, and concrete is formed on the floor slab. By casting, composite floorboards can be easily constructed.
The invention according to claim 3 provides a floor member by fitting a lightweight hollow molded member into a space having an open upper surface formed between adjacent bent portions of the corrugated precast concrete floor plate. It is possible to improve the cross-sectional performance while securing the weight of the concrete, and to reduce the amount of cast concrete.

【図面の簡単な説明】[Brief description of the drawings]

【図1】本発明の方法によって構築された合成床板の一
実施例を示す縦断面図である。
FIG. 1 is a longitudinal sectional view showing one embodiment of a composite floorboard constructed by the method of the present invention.

【図2】本発明の方法によって構築された合成床板の他
の実施例を示す縦断面図である。
FIG. 2 is a longitudinal sectional view showing another embodiment of the composite floorboard constructed by the method of the present invention.

【図3】本発明の方法によって構築された合成床板の更
に他の実施例を示す縦断面図である。
FIG. 3 is a longitudinal sectional view showing still another embodiment of the composite floorboard constructed by the method of the present invention.

【図4】プレキャストコンクリート板の縦断面図であ
る。
FIG. 4 is a longitudinal sectional view of a precast concrete plate.

【符号の説明】[Explanation of symbols]

A 波形のプレキャストコンクリート床板 B 後打ちコンクリート C 中空部成形部材 1 プレキャストコンクリート平板 1a 折曲げ部片 2 補強筋 A corrugated precast concrete floor plate B back-cast concrete C hollow part forming member 1 precast concrete flat plate 1a bent piece 2 reinforcing bar

Claims (3)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】 幅方向に亘って補強筋が配筋されたプレ
キャストコンクリート平板の長手方向に所定間隔毎に、
表裏交互に幅方向に延びる折曲げ用欠截部を設けてな
り、同各欠截部において前記平板が表裏交互に折曲げら
れ、同各折曲げ部片によって波形のプレキャストコンク
リート床板が形成されるように構成されてなることを特
徴とする合成床板構築用プレキャストコンクリート板。
Claims: 1. At predetermined intervals in a longitudinal direction of a precast concrete plate having reinforcing bars arranged in the width direction,
Bending notches extending in the width direction are provided alternately on the front and back, and the flat plate is alternately bent at each of the notches, and a corrugated precast concrete floor plate is formed by each of the bent pieces. A precast concrete plate for constructing a composite floorboard, which is constituted as described above.
【請求項2】 幅方向に亘って補強筋が配筋されたプレ
キャストコンクリート平板の長手方向に所定間隔毎に表
裏交互に幅方向に延びる折曲げ用欠截部が設けられた合
成床板構築用プレキャスト構築板を、前記各欠截部にお
いて表裏交互に折曲げて波形のプレキャストコンクリー
ト床板を形成し、同床板にコンクリートを打設すること
を特徴とする合成床板構築方法。
2. A precast for constructing a composite floorboard in which a notch for bending extending in the width direction alternately in front and back is provided at predetermined intervals in the longitudinal direction of a precast concrete slab having reinforcing bars arranged in the width direction. A method for constructing a composite floorboard, comprising: forming a corrugated precast concrete floorboard by alternately bending a building board at each of the cutout portions to form a corrugated precast concrete floorboard and placing concrete on the floorboard.
【請求項3】 前記波形のプレキャストコンクリート床
板における相隣る折曲げ部片間に形成された上端面が開
放された空間に軽量の中空部成形部材を嵌装したのち、
後打ちコンクリートを打設する請求項2記載の合成床板
構築方法。
3. A lightweight hollow molded member is fitted into a space in which an upper end surface formed between adjacent bent portions of the corrugated precast concrete floorboard is opened.
The method for constructing a composite floorboard according to claim 2, wherein post-cast concrete is cast.
JP3191860A 1991-07-31 1991-07-31 Precast concrete board for composite floorboard construction and composite floorboard construction method Expired - Fee Related JP2729711B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3191860A JP2729711B2 (en) 1991-07-31 1991-07-31 Precast concrete board for composite floorboard construction and composite floorboard construction method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3191860A JP2729711B2 (en) 1991-07-31 1991-07-31 Precast concrete board for composite floorboard construction and composite floorboard construction method

Publications (2)

Publication Number Publication Date
JPH0533416A JPH0533416A (en) 1993-02-09
JP2729711B2 true JP2729711B2 (en) 1998-03-18

Family

ID=16281704

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3191860A Expired - Fee Related JP2729711B2 (en) 1991-07-31 1991-07-31 Precast concrete board for composite floorboard construction and composite floorboard construction method

Country Status (1)

Country Link
JP (1) JP2729711B2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5673143A (en) * 1995-10-11 1997-09-30 Hughes Electronics Thermal imaging device with selectively replaceable telescopic lenses and automatic lens identification
JP6826887B2 (en) * 2017-01-05 2021-02-10 鹿島建設株式会社 Prefabricated structure erection method, prefabricated structure

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5992710U (en) * 1982-12-15 1984-06-23
JPH0635733B2 (en) * 1987-09-07 1994-05-11 富士ピー・エス・コンクリート株式会社 Lightening construction method for concrete floor
JPH02167960A (en) * 1988-12-22 1990-06-28 Fujita Corp Thin precast concrete form and manufacturing thereof

Also Published As

Publication number Publication date
JPH0533416A (en) 1993-02-09

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