JPH0348970B2 - - Google Patents
Info
- Publication number
- JPH0348970B2 JPH0348970B2 JP21790383A JP21790383A JPH0348970B2 JP H0348970 B2 JPH0348970 B2 JP H0348970B2 JP 21790383 A JP21790383 A JP 21790383A JP 21790383 A JP21790383 A JP 21790383A JP H0348970 B2 JPH0348970 B2 JP H0348970B2
- Authority
- JP
- Japan
- Prior art keywords
- floor slab
- slab
- holding
- bar
- steel frame
- 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
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 238000010276 construction Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 7
- 239000004567 concrete Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 description 4
- 238000009415 formwork Methods 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 239000011178 precast concrete Substances 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
Landscapes
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Panels For Use In Building Construction (AREA)
- Joining Of Building Structures In Genera (AREA)
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明はPC片持ちスラブの施工法及びこの施
工に際して用いるPC床版に関するものである。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a method for constructing a PC cantilever slab and a PC floor slab used in this construction.
（従来の技術）
従来の片持ちスラブの施工法として、型枠を使
用して行う場所打ち工法と、PC部材（プレキヤ
ストコンクリート部材）を使用して組立てるPC
工法が知られている。(Conventional technology) Conventional cantilever slab construction methods include the cast-in-place method using formwork and the PC assembly method using precast concrete members (precast concrete members).
The construction method is known.
（発明が解決しようとする課題）
従来の場所打ち工法による片持ちスラブの施工
法によると、既設の下階スラブ上にスラブの型枠
を支持するためにその先端部のみならずその内側
までも多数のパイプサポートを起立させるため、
上階のスラブ施工中はこの下階スラブを作業通路
として利用できない問題があつた。(Problems to be Solved by the Invention) According to the conventional method of constructing cantilever slabs using the cast-in-place method, in order to support the formwork of the slab on the existing lower floor slab, not only the tip but also the inside of the slab is In order to erect a large number of pipe supports,
During the construction of the upper floor slab, there was a problem that the lower floor slab could not be used as a work passage.
またPC工法による片持ちスラブの施工法によ
ると、上記の問題は解決できるがPC梁との接合
部設計に難点があつた。 In addition, the cantilever slab construction method using the PC method can solve the above problems, but there are difficulties in designing the joints with the PC beams.
本発明の目的は上階のスラブ施工中であつても
既設下階のスラブを通路として利用でき、梁との
一体化を図ることができるPC片持ちスラブの施
工法を提供することにあり、他の目的はスラブの
施工が簡単に行えるPC床版を提供することにあ
る。 The purpose of the present invention is to provide a method for constructing a PC cantilever slab that allows the existing lower floor slab to be used as a passageway even while the upper floor slab is being constructed, and allows integration with the beam. Another purpose is to provide a PC floor slab that allows easy slab construction.
（課題を解決するための手段）
本発明における施工法は、PC床版の基部端部
より突設している保持部材を梁鉄骨上に載置し支
持し、床版先端部下面をサポートで支持した後、
梁の場所打ちコンクリートを打設して、PC床版
基部と梁とを一体化して、スラブを施工するもの
である。(Means for Solving the Problems) The construction method of the present invention is to place and support a holding member protruding from the base end of a PC floor slab on a beam steel frame, and to support the lower surface of the tip of the floor slab. After supporting
The slab is constructed by pouring cast-in-place concrete for the beams and integrating the base of the PC floor slab and the beams.
この発明の施工法の実施に使用するPC床版は、
基部端部より保持部材及びアンカーをそれぞれ突
設してある。この保持部材は梁鉄骨上に載置して
床版基部側を支持するものである。保持部材には
アングル材などの保持板や保持棒材のみからなる
もの、梁鉄骨上ひ載置する保持板とPC床版に取
り付ける保持筋とからなるもの、PC床版のレベ
ルを調整するボルトを取り付けている保持板と保
持筋とからなるもの、保持筋はスラブの下端筋で
兼用しているものなどが含まれる。アンカーは
PC床版と梁とを一体化するためのものである。 The PC floor slab used to implement the construction method of this invention is
A holding member and an anchor are respectively provided to protrude from the base end. This holding member is placed on the beam steel frame to support the base side of the floor slab. Retaining members include those consisting only of retaining plates such as angle materials or retaining bars, those consisting of retaining plates placed on top of the beam steel and retaining bars attached to the PC floor slab, and bolts that adjust the level of the PC floor slab. This includes those consisting of a retaining plate and retaining bars to which the slab is attached, and those in which the retaining bars are also used as the bottom reinforcement of the slab. The anchor is
This is to integrate the PC floor slab and the beam.
（実施例）
以下本発明の施工法の実施例を、その施工に際
して用いるPC床版と共に図面に基づいて説明す
る。(Example) Hereinafter, an example of the construction method of the present invention will be described based on drawings together with a PC floor slab used in the construction.
まず第１図及び第２図に示すようにPC床版１，
１ａの基部端部（右端部）より突設してある保持
部材２を、柱鉄骨３間の桁行方向（第２図上下方
向）に架設してある梁鉄骨４のフランジ上に載置
し支持すると共に、PC床版の先端部の下面をサ
ポート５上で受材６を介して支持する。PC床版
１，１ａの支持方法は、２点支持である。すなわ
ち、PC床版１，１ａの基部端部と先端部以外は
支持されておらず、しかもパイプによる支持は先
端部のみである。 First, as shown in Figures 1 and 2, the PC floor slab 1,
The holding member 2 protruding from the base end (right end) of 1a is placed on the flange of the beam steel frame 4 installed in the girder direction between the column steel frames 3 (vertical direction in Figure 2) and supported. At the same time, the lower surface of the leading end of the PC floor slab is supported on the support 5 via the receiving material 6. The PC floor slabs 1 and 1a are supported at two points. That is, the PC floor slabs 1, 1a are not supported except for the base end and the tip, and only the tip is supported by the pipe.
支持後、梁の場所打ちコンクリートを打設し
SRC構造（鉄骨鉄筋コンクリート構造）の梁７
を形成することによつて、この梁内に、保持部材
２及びPC床版１，１ａの基部端部より突設して
あるアンカー筋８がそれぞれ埋入されて、この
PC床版と梁とが一体的に接合され、第３図に示
すようにPC片持ちスラブが施工される。 After supporting, cast-in-place concrete for the beam is poured.
Beam 7 of SRC structure (steel reinforced concrete structure)
By forming this, the anchor bars 8 protruding from the base ends of the holding member 2 and the PC floor slabs 1 and 1a are embedded in this beam, respectively.
The PC floor slab and beam are integrally joined, and a PC cantilever slab is constructed as shown in Figure 3.
なお、９は柱、１０は壁である。 Note that 9 is a pillar and 10 is a wall.
PC片持ちスラブは、この例では長短２種類の
PC床版１とPC床版１ａとからなり、短いPC床
版１は柱鉄骨３に対向位置し、PC床版１とPC床
版１との間に長いPC床版１ａが配設される。 In this example, the PC cantilever slab comes in two types: long and short.
Consisting of a PC floor slab 1 and a PC floor slab 1a, the short PC floor slab 1 is located opposite the column steel frame 3, and the long PC floor slab 1a is arranged between the PC floor slab 1 and the PC floor slab 1. .
保持部材２は、第１図及び第２図に示すように
下端筋を兼用している保持筋２ａと保持板２ｂと
からなる。保持筋２ａは一側がPC床版１，１ａ
の基部端部より突出し、保持筋端部にはアングル
材で構成した保持板２ｂの垂直部が、この保持筋
が貫通した状態で固着されている。保持板２ｂの
水平部は、直接に又は調整ボルト２ｃを介して間
接的に梁鉄骨４のフランジ上に載置可能である。
そしてボルト２ｃを回すことにより、梁鉄骨４上
に載置してある保持板２ｂを上下動させて、PC
床版１，１ａの基部端部のレベルの微調整を図る
ことができる。１３は保持持筋２ａとアンカー筋
８とを連結するプレートである。 As shown in FIGS. 1 and 2, the holding member 2 is composed of a holding bar 2a and a holding plate 2b, which also serves as a lower end bar. One side of the holding bar 2a is the PC floor slab 1, 1a.
A vertical portion of a retaining plate 2b made of an angle material is fixed to the end of the retaining bar protruding from the base end thereof, with the retaining bar penetrating therethrough. The horizontal portion of the holding plate 2b can be placed on the flange of the beam steel frame 4 directly or indirectly via the adjustment bolt 2c.
Then, by turning the bolt 2c, the holding plate 2b placed on the beam steel frame 4 is moved up and down, and the PC
Fine adjustment of the level of the base end portions of the floor slabs 1 and 1a can be achieved. Reference numeral 13 denotes a plate that connects the holding bar 2a and the anchor bar 8.
第４図にPC床版の他の実施例を示す。この例
では、保持部材１２はアンカー筋となるひげ筋１
２ａとアングル材の保持板１２ｂとを直接状に連
結し、ひげ筋及び保持板の一端部をPC床版１内
に埋設してある。保持板１２ｂの他端部側は梁鉄
骨４上に載置し、ボルト１２ｃでレベルの微調整
を行う。PC床版１の下端筋１１の端部はPC床版
の基部端部より突設し下方に鉤状に屈曲し、梁７
内に埋入されている。アンカー筋８ａはPC床版
１の基部端部から突設し、梁７内に埋入されてい
る。 Figure 4 shows another embodiment of the PC floor slab. In this example, the holding member 12 is attached to a whisker muscle 1 that serves as an anchor muscle.
2a and a retaining plate 12b made of angle material are directly connected, and the whiskers and one end of the retaining plate are buried in the PC floor slab 1. The other end of the holding plate 12b is placed on the beam steel frame 4, and the level is finely adjusted using bolts 12c. The end of the lower end reinforcement 11 of the PC floor slab 1 protrudes from the base end of the PC floor slab and is bent downward into a hook shape.
embedded within. The anchor bars 8a protrude from the base end of the PC floor slab 1 and are embedded in the beams 7.
（発明の効果）
以上説明したように本発明によれば、PC床版
の基部端部側を梁鉄骨に載置し支持し、先端部下
面をサポートで支持するものであつて、PC床版
の基部側を場所打ちコンクリートにより梁と接合
するので、PC片持ちスラブの下方であつてスラ
ブ先端部と基部との間に空間が生じて上階のスラ
ブ施工中であつても下階のスラブ上面を作業通路
として利用でき、梁との一体化ができ、そして保
持部材を梁鉄骨上に載置するだけでスラブの基部
側を支持できるので、施工が容易かつ迅速に行え
る。(Effects of the Invention) As explained above, according to the present invention, the base end side of the PC floor slab is placed and supported on the beam steel frame, and the lower surface of the tip is supported by the support, and the PC floor slab Since the base side of the PC is connected to the beam using cast-in-place concrete, a space is created between the slab tip and the base below the PC cantilever slab, and even when the upper floor slab is being constructed, the lower floor slab The upper surface can be used as a working passage, it can be integrated with the beam, and the base side of the slab can be supported simply by placing the holding member on the beam steel frame, so construction can be performed easily and quickly.
第１図はPC片持ちスラブの施工状態を示す拡
大断面図、第２図は第１図−線断面図、第３
図はPC片持ちスラブの施工状態を示す平面図、
第４図は他の実施例のPC片持ちスラブの施工状
態を示す拡大断面図である。
１，１ａ……PC床版、２……保持部材、２ａ
……保持筋、２ｂ……保持板、２ｃ……調整ボル
ト、４……梁鉄骨、５……サポート、７……梁、
８，８ａ……アンカー筋、１１……下端筋、１２
……保持部材、１２ａ……ひげ筋、１２ｂ……保
持板、１２ｃ……調整ボルト。
Figure 1 is an enlarged cross-sectional view showing the construction state of the PC cantilever slab, Figure 2 is a cross-sectional view taken along the line shown in Figure 1, and Figure 3
The figure is a plan view showing the construction status of a PC cantilever slab.
FIG. 4 is an enlarged sectional view showing the construction state of a PC cantilever slab of another example. 1, 1a... PC floor slab, 2... Holding member, 2a
...Retaining bar, 2b...Retaining plate, 2c...Adjustment bolt, 4...Beam steel frame, 5...Support, 7...Beam,
8, 8a...Anchor bar, 11...Lower end bar, 12
...Holding member, 12a... Mustache line, 12b... Holding plate, 12c... Adjustment bolt.
Claims (1)
材を梁鉄骨上に載置し支持するとともに、上記
PC床版先端部下面をサポートで支持した後、梁
の場所打ちコンクリートを打設して、PC床版基
部と梁とを一体化することを特徴とするPC片持
ちスラブの施工法。 ２ PC床版の基部端部より突設している保持部
材を梁鉄骨上に載置し支持するとともに、上記
PC床版先端部下面をサポートで支持した後、梁
の場所打ちコンクリートを打設して、PC床版基
部と梁とを一体化することを特徴とするPC片持
ちスラブの施工に使用するPC床版であつて、基
部端部より梁の鉄骨上に載置する保持部材と、上
記梁に埋入するためのアンカーとをそれぞれ突設
してあることを特徴とするPC床版。 ３ 特許請求の範囲第２項において、保持部材
は、下端筋を兼用している保持筋と、この保持筋
に固着してある保持板とからなることを特徴とす
るPC床版。 ４ 特許請求の範囲第２項において、保持部材
は、保持筋とこの保持筋に固着してある保持板
と、この保持板に取り付けてある調整ボルトとか
らなることを特徴とするPC床版。[Claims] 1. A holding member protruding from the base end of the PC floor slab is placed and supported on the beam steel frame, and the above-mentioned
A method of constructing a PC cantilever slab, which is characterized by supporting the lower surface of the tip of the PC floor slab with a support, and then pouring cast-in-place concrete for the beam to integrate the base of the PC floor slab and the beam. 2 Place and support the retaining member protruding from the base end of the PC floor slab on the beam steel frame, and
A PC used for the construction of a PC cantilever slab characterized by supporting the lower surface of the tip of the PC floor slab with a support, and then pouring cast-in-place concrete for the beam to integrate the base of the PC floor slab and the beam. A PC floor slab, characterized in that a holding member to be placed on the steel frame of a beam and an anchor to be embedded in the beam protrude from the base end. 3. The PC floor slab according to claim 2, wherein the holding member comprises a holding bar that also serves as a lower end bar and a holding plate fixed to the holding bar. 4. The PC floor slab according to claim 2, wherein the holding member comprises a holding bar, a holding plate fixed to the holding bar, and an adjustment bolt attached to the holding plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21790383A JPS60112949A (en) | 1983-11-21 | 1983-11-21 | Construction of pc cantilevered slab and pc floor panel usedtherein |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP21790383A JPS60112949A (en) | 1983-11-21 | 1983-11-21 | Construction of pc cantilevered slab and pc floor panel usedtherein |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60112949A JPS60112949A (en) | 1985-06-19 |
| JPH0348970B2 true JPH0348970B2 (en) | 1991-07-26 |
Family
ID=16711557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP21790383A Granted JPS60112949A (en) | 1983-11-21 | 1983-11-21 | Construction of pc cantilevered slab and pc floor panel usedtherein |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60112949A (en) |
-
1983
- 1983-11-21 JP JP21790383A patent/JPS60112949A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60112949A (en) | 1985-06-19 |
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