JPH037449Y2 - - Google Patents
Info
- Publication number
- JPH037449Y2 JPH037449Y2 JP5970086U JP5970086U JPH037449Y2 JP H037449 Y2 JPH037449 Y2 JP H037449Y2 JP 5970086 U JP5970086 U JP 5970086U JP 5970086 U JP5970086 U JP 5970086U JP H037449 Y2 JPH037449 Y2 JP H037449Y2
- Authority
- JP
- Japan
- Prior art keywords
- precast concrete
- cast
- concrete plate
- prestressed
- concrete layer
- 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
- 239000011178 precast concrete Substances 0.000 claims description 28
- 239000004567 concrete Substances 0.000 claims description 15
- 239000002131 composite material Substances 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims 1
- 239000000463 material Substances 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Landscapes
- Rod-Shaped Construction Members (AREA)
- Panels For Use In Building Construction (AREA)
Description
【考案の詳細な説明】
（考案が属する技術分野）
本考案はプレキヤストコンクリート板を用いた
合成床板に関するものである。[Detailed description of the invention] (Technical field to which the invention belongs) The present invention relates to a composite floor board using precast concrete boards.
（考案の課題とその特徴点）
受梁間に並べて架設したプレキヤストコンクリ
ート板の上に現場打ちのコンクリート層を設けて
合成床板を形成する場合の従来例では、プレキヤ
ストコンクリート板と現場打ちコンクリートの一
体化のために、プレキヤストコンクリート板の上
面をはけ引き等による粗面にしておくか、又は、
第４図に示すようにプレキヤストコンクリート板
の上面にラチス筋を突出状態に設けておくのが一
般的であるが、プレキヤストコンクリート板の上
面をはけ引き等による粗面にしておくのは水平せ
ん断力に対する抵抗にバラツキが生じて具合が悪
く、又、プレキヤストコンクリート板にラチス筋
を埋設しておくのは、その分手間が掛かるし、ラ
チス筋が邪魔になつてプレキヤストコンクリート
板の取り扱い上も不便である。(Issues of the invention and its features) In the conventional example of forming a composite floor board by providing a cast-in-place concrete layer on the pre-cast concrete plates installed side by side between the support beams, the pre-cast concrete plate and the cast-in-place concrete layer were For integration, the top surface of the precast concrete plate should be made rough by brushing, or
As shown in Figure 4, it is common to provide lattice bars on the top surface of a precast concrete plate in a protruding state, but it is best to roughen the top surface of the precast concrete plate by scraping or other means. The resistance to horizontal shearing force varies, which is unsatisfactory, and embedding lattice bars in a precast concrete plate takes time and effort, and the lattice bars get in the way, making the precast concrete plate It is also inconvenient to handle.
本考案は、前述の問題点の解消を目的としてい
るものであつて、その構成上の特徴は実用新案登
録請求の範囲に記載したとおりである。 The present invention aims to solve the above-mentioned problems, and its structural features are as described in the claims for utility model registration.
すなわち、本考案は、プレキヤストコンクリー
ト板の表面に予め、市松模様状の凹凸を形成して
おき、この凹凸で現場打ちのコンクリート層との
間にはり間とけた行の両方向の水平せん断力に有
効に抵抗するシヤーコツターを形成するようにし
たものであつて、その市松模様状の凹凸は、プレ
キヤストコンクリート板を上下を逆にして形成す
る際に、底にゴムの型板を敷き込むことによつて
容易に形成することができる。 That is, in this invention, checkerboard-like irregularities are formed in advance on the surface of a precast concrete plate, and these irregularities are used to absorb horizontal shear forces in both directions between the concrete layer and the cast-in-place concrete layer. The checkerboard-like irregularities are created by placing a rubber template on the bottom of the precast concrete plate when it is turned upside down. Therefore, it can be easily formed.
又、本考案は、プレキヤストコンクリート板の
裏側長手方向に複数条のリブと突設し、このリブ
内に埋設したPC鋼材でプレストレスを与えて、
プレキヤストコンクリート板の曲げ耐力を増大
し、現場打ちのコンクリート層の強度発現までの
仮設支保工を省略できるようにしている。 In addition, the present invention has multiple ribs protruding from the back side of the precast concrete plate in the longitudinal direction, and prestress is applied using prestressed PC steel material buried within the ribs.
The bending strength of precast concrete plates has been increased, making it possible to omit temporary shoring until the strength of the cast-in-place concrete layer is achieved.
（図面による説明）
第１図〜第３図は本考案の一実施例の説明図で
あつて、１は受梁、２はプレキヤストコンクリー
ト板、３は現場打ちのコンクリート層である。(Explanation with Drawings) FIGS. 1 to 3 are explanatory diagrams of an embodiment of the present invention, in which 1 is a support beam, 2 is a precast concrete plate, and 3 is a concrete layer cast on site.
プレキヤストコンクリート板２の表面には市松
模様状の凹凸が形成されているが、その凸部４の
上面はプレキヤストコンクリート板２の上面と面
一である。 The surface of the precast concrete board 2 has a checkered pattern of unevenness, and the top surface of the convex portion 4 is flush with the top surface of the precast concrete board 2.
複数のプレキヤストコンクリート板２を並べて
受梁１，１間に架設した後、これを型枠代わりに
してその上方にメツシユ筋等の鉄筋を配してコン
クリート層３を打設すると、このコンクリートが
プレキヤストコンクリート板２の表面の凹部５内
に入つて硬化して、コンクリートの打ち継ぎ面で
の水平せん断力に有効に抵抗するシヤーコツター
が形成される。 After a plurality of precast concrete plates 2 are lined up and erected between the support beams 1, 1, this is used as a formwork and reinforcing bars such as mesh bars are placed above it and the concrete layer 3 is poured. It enters the recess 5 in the surface of the precast concrete plate 2 and hardens to form a shear caster that effectively resists horizontal shear forces at the concrete splice surface.
プレキヤストコンクリート板２の裏側長手方向
に複数条のリブ６が突設され、このリブ６内に埋
設したPC鋼材７でプレキヤストコンクリート板
２にはプレストレスが導入されており、コンクリ
ート層３のコンクリートが硬化してその強度が期
待できるようになるまで仮設支保工なしで耐えら
れるようになつている。 A plurality of ribs 6 are protruded from the longitudinal direction of the back side of the precast concrete plate 2, and prestress is introduced into the precast concrete plate 2 by the PC steel material 7 buried in the ribs 6, and the concrete layer 3 is It is designed to be able to withstand without temporary shoring until the concrete hardens and reaches its expected strength.
図示の場合のリブ６はプレキヤストコンクリー
ト板２の長さ一ぱいまで延びていないため、プレ
キヤストコンクリート板２は平坦な端部で受梁１
上に支持され、その姿勢が低くなつている。 In the illustrated case, the ribs 6 do not extend to the full length of the precast concrete plate 2, so the precast concrete plate 2 has a flat end that extends to the receiving beam 1.
It is supported by the top and its posture is lowered.
なお、第４図は先に述べた従来例の斜視図であ
つて、８はプレキヤストコンクリート板、９は現
場打ちのコンクリート層、１０は上半部を露出さ
せてプレキヤストコンクリート板８に埋設したラ
チス筋、１１は上弦筋である。 In addition, FIG. 4 is a perspective view of the conventional example mentioned above, in which 8 is a precast concrete plate, 9 is a concrete layer cast on site, and 10 is a concrete layer buried in the precast concrete plate 8 with the upper half exposed. lattice muscle, 11 is the superchord muscle.
（考案の効果）
本考案の合成床板は以上のようなものであるか
ら、プレキヤストコンクリート板の製作が容易で
あつてその取り扱いにも格別の配慮は必要でな
く、現場施工も簡単であり、しかも、プレキヤス
トコンクリート板と現場打ちのコンクリート層が
全面的に均等な状態で一体化して有効に合成床板
としての働きをする。(Effects of the invention) Since the synthetic floor board of the present invention is as described above, it is easy to manufacture precast concrete boards, no special consideration is required for its handling, and it is easy to construct on-site. Moreover, the precast concrete board and the cast-in-place concrete layer are uniformly integrated over the entire surface, effectively functioning as a composite floor board.
第１図は本考案の一実施例の縦断面図、第２図
は第１図のＸ−Ｘ線断面図、第３図は第１図の平
面図、第４図は従来例の斜視図である。
１……受梁、２……プレキヤストコンクリート
板、３……コンクリート層。４……凸部、５……
凹部。
Fig. 1 is a longitudinal sectional view of one embodiment of the present invention, Fig. 2 is a sectional view taken along line X-X of Fig. 1, Fig. 3 is a plan view of Fig. 1, and Fig. 4 is a perspective view of the conventional example. It is. 1...Support beam, 2...Precast concrete plate, 3...Concrete layer. 4...Protrusion, 5...
recess.
Claims (1)
裏側長手方向に複数条のリブを突設し、該リブ内
に埋設したPC鋼材でプレストレスを与えたプレ
キヤストコンクリート板を、受梁間に並べて架設
し、その上に適宜配筋して現場打ちのコンクリー
ト層を設けて成るプレキヤストコンクリート合成
床板。 In addition to forming checkered pattern irregularities on the surface,
Precast concrete plates with multiple ribs protruding in the longitudinal direction of the back side and prestressed with prestressed prestressed steel buried in the ribs are erected side by side between the support beams, and on top of these, reinforcement is placed appropriately and cast on site. A precast concrete composite floor board with a concrete layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5970086U JPH037449Y2 (en) | 1986-04-22 | 1986-04-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5970086U JPH037449Y2 (en) | 1986-04-22 | 1986-04-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62175116U JPS62175116U (en) | 1987-11-07 |
| JPH037449Y2 true JPH037449Y2 (en) | 1991-02-25 |
Family
ID=30891434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5970086U Expired JPH037449Y2 (en) | 1986-04-22 | 1986-04-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH037449Y2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2533345B2 (en) * | 1987-12-29 | 1996-09-11 | 東急建設株式会社 | Form for half PCa board |
| JP2533344B2 (en) * | 1987-12-29 | 1996-09-11 | 東急建設株式会社 | Method for manufacturing half PCa board |
| JP2619335B2 (en) * | 1994-08-05 | 1997-06-11 | 前田製管株式会社 | Construction method of building attached to dam body structure and building forming block |
| JP2018031144A (en) * | 2016-08-23 | 2018-03-01 | 積水ホームテクノ株式会社 | Drain trap unit for places using water, and manufacturing method for the same |
-
1986
- 1986-04-22 JP JP5970086U patent/JPH037449Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62175116U (en) | 1987-11-07 |
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