JPH08218539A - Light weight composite floor board and construction method thereof - Google Patents
Light weight composite floor board and construction method thereofInfo
- Publication number
- JPH08218539A JPH08218539A JP2684395A JP2684395A JPH08218539A JP H08218539 A JPH08218539 A JP H08218539A JP 2684395 A JP2684395 A JP 2684395A JP 2684395 A JP2684395 A JP 2684395A JP H08218539 A JPH08218539 A JP H08218539A
- Authority
- JP
- Japan
- Prior art keywords
- steel plate
- thin steel
- plate
- lightweight
- bent
- 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.)
- Pending
Links
Landscapes
- Panels For Use In Building Construction (AREA)
- Floor Finish (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は軽量合成床板及びその施
工方法に係るものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lightweight synthetic floorboard and a construction method thereof.
【０００２】[0002]
【従来の技術】建物には特殊な用途を除いては必ず床が
必要で、その面積は膨大な量になる。床板は、 （イ）鉛直荷重を支承するとともに、上下方向の振動障
害を防止し、快適な居住空間を提供する。2. Description of the Related Art A building must have a floor except for special purposes, and its area is enormous. The floor board (a) supports vertical loads and prevents vertical vibration disturbances, providing a comfortable living space.
【０００３】（ロ）床の面内剛性によって地震時に建物
の変形性状を良好にする。 （ハ）梁と床とを一体化することによって、梁をＴ型断
面梁として評価できることによって、鉛直荷重に対する
梁の剛性を高くして居住性を向上せしめる。 （ニ）上下階の音を遮断するとともに、耐火性能を向上
する。 等の機能を果す。(B) The in-plane rigidity of the floor improves the deformability of the building during an earthquake. (C) By integrating the beam and the floor, the beam can be evaluated as a T-shaped cross-section beam, thereby increasing the rigidity of the beam with respect to a vertical load and improving the habitability. (D) The noise of the upper and lower floors is blocked and the fire resistance is improved. And other functions.
【０００４】床板には前記したような機能を有するた
め、鉛直荷重に対する曲げ強度のほかに、面内方向の剛
性、遮音性能、耐火性能にも優れていなければならな
い。したがって一部の建物を除いてはその殆んどが剛性
が高く、また遮音性能、耐火性能にも優れた鉄筋コンク
リート造で構成されている。床については施工の合理化
を図る目的から図８に示すような合成床板が開発されて
いる。これは梁ａ間に架け渡されたプレキャスト版ｂ上
に場所打ち床コンクリートｃが打設されている。Since the floor board has the above-mentioned functions, it must have excellent bending strength against vertical load, as well as rigidity in the in-plane direction, sound insulation performance, and fire resistance performance. Therefore, except for some buildings, most of them are made of reinforced concrete, which has high rigidity, sound insulation and fire resistance. Regarding the floor, a synthetic floorboard as shown in Fig. 8 has been developed for the purpose of rationalizing the construction. In this case, cast-in-place floor concrete c is placed on a precast plate b bridged between beams a.
【０００５】この合成床板の軽量化を図る目的から図９
に示すように、薄肉プレキャストコンクリート板ｄ上に
発泡材で構成された軽量ブロックｅを内蔵した床板の施
工法も実用化されている。図中ｆ及びｇは夫々スラブ上
端筋及びスラブ下端筋、ｈはトラス筋、ｉは後打ちコン
クリートである。しかしいずれの場合も強度、剛性を確
保するために、最低でも１２乃至２５ｃｍの厚さを有
し、重量が大きくなった。For the purpose of reducing the weight of the synthetic floorboard, FIG.
As shown in, a construction method of a floorboard in which a lightweight block e made of a foam material is built on a thin precast concrete board d has been put into practical use. In the figure, f and g are the upper slab reinforcement and the lower slab reinforcement, h is the truss reinforcement, and i is the post-cast concrete. However, in any case, in order to secure strength and rigidity, the thickness was at least 12 to 25 cm, and the weight became large.
【０００６】[0006]
【発明が解決しようとする課題】従来の鉄筋コンクリー
ト床板は、耐火性能及び遮音性能に優れ、床板に適した
構造ではあるが、その施工に際しては次のような欠点も
ある。 （イ）単位重量が大きいため、床の単位荷重が大きくな
り、建物重量が増す。 （ロ）単位重量が大きいため、長スパンの床に対応する
ためには、ますます床板の厚さが大きくなり、設計が困
難となる。このため長スパンの床板の場合は小梁が必要
となる。The conventional reinforced concrete floorboard has excellent fire resistance and sound insulation properties and is suitable for floorboards, but has the following drawbacks in its construction. (A) Since the unit weight is large, the unit load on the floor is large and the building weight is increased. (B) Since the unit weight is large, the floor plate becomes thicker and more difficult to design in order to cope with a floor having a long span. For this reason, a beam is required for long span floorboards.
【０００７】（ハ）施工に際しては、型枠工事、鉄筋工
事、コンクリート打設と作業工数が多く、また所定のコ
ンクリート強度が発現するまでは支保工の解体ができな
いため、完成までに多くの時間を要し、建物躯体の工期
に大きく影響する。 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、その目的とするところは、軽量でしかも従来
と同等以上の構造特性を有し、且つ遮音性耐火性に優れ
た軽量合成床板及びその施工方法を提供する点にある。(C) In the construction, there are many man-hours such as formwork, rebar construction, concrete placing, and the supporting work cannot be disassembled until a predetermined concrete strength is developed. Required, which will greatly affect the construction period of the building frame. The present invention has been proposed in view of the above problems of the prior art, and an object of the present invention is to be lightweight, lightweight and having structural characteristics equal to or higher than conventional ones, and excellent in sound insulation and fire resistance. The point is to provide a floor board and a construction method thereof.
【０００８】[0008]
【課題を解決するための手段】前記の目的を達成するた
め、本発明に係る軽量合成床板は、上面がフラットで、
所定の間隔に下方向にリブを曲成してなる折り曲げ薄鋼
板と同折り曲げ薄鋼板の下面に配設された穴あき鋼板ま
たはエキスパンドメタル及び軽量コンクリート板または
ＡＬＣ板と、同軽量コンクリート板またはＡＬＣ板と前
記折り曲げ薄鋼板との間に充填された硬質発泡樹脂とよ
り構成されている。In order to achieve the above object, a lightweight synthetic floorboard according to the present invention has a flat upper surface,
A bent thin steel plate formed by bending ribs downward at predetermined intervals, a perforated steel plate or an expanded metal and a lightweight concrete plate or an ALC plate arranged on the lower surface of the bent thin steel plate, and the same lightweight concrete plate or ALC It is composed of a hard foam resin filled between a plate and the bent thin steel plate.
【０００９】請求項２の発明は前記折り曲げ薄鋼板はＴ
型またはπ型に曲成され、更に同曲成部における左右フ
ランジ部分の片側には下向きの折り返し部が、他側には
上向きの折り返し部が曲成され、相隣る前記折り曲げ薄
鋼板のフランジの折り返し部分が噛合するように連結さ
れている。請求項３の発明は前記Ｔ型またはπ型に曲成
された折曲げ薄鋼板におけるリブの下端に異形鉄筋を挿
入して締着し、同鉄筋と前記リブとを一体化して構成さ
れている。According to a second aspect of the present invention, the bent thin steel sheet is T
-Shaped or π-shaped bent, further downward bent portions are bent on one side of the left and right flange portions in the bent portion, and upward bent portions are bent on the other side, and the adjacent bent thin steel sheet flanges The folded-back portions of are connected so as to mesh with each other. According to the invention of claim 3, the deformed rebar is inserted into the lower end of the rib in the T-shaped or π-shaped bent thin steel plate and fastened, and the rebar and the rib are integrated. .
【００１０】請求項４の発明によれば、前記折曲げ薄鋼
板における相隣るリブの下面に穴あき鋼板及び軽量コン
クリート板を取り付けたのち、相隣る前記リブ間に形成
された中空部に硬質発泡樹脂を充填し、前記リブ下面の
鋼板の穴を介して前記硬質発泡樹脂と軽量コンクリート
板とを一体化するものである。請求項５の発明によれ
ば、上面がフラットで所定の間隔に下方向にリブを曲成
してなる折り曲げ薄鋼板と、同折り曲げ薄鋼板の下面に
配設された穴あき鋼板またはエキスパンドメタル及び軽
量コンクリート板またはＡＬＣ板と、同板と前記折り曲
げ薄鋼板との間に充填された硬質発泡樹脂とより構成さ
れた軽量合成床板を梁上に敷設したのち、上面にスラブ
筋を配筋して、後打ちコンクリートを必要厚さに打設
し、同後打ちコンクリートを介して前記合成床板相互間
または同合成床板と梁とを緊結するものである。According to the invention of claim 4, after attaching a perforated steel plate and a lightweight concrete plate to the lower surface of the ribs adjacent to each other in the bent thin steel plate, the hollow portion formed between the ribs adjacent to each other is attached. Hard foam resin is filled, and the hard foam resin and the lightweight concrete plate are integrated through the holes of the steel plate on the lower surface of the rib. According to the invention of claim 5, a bent thin steel plate having a flat upper surface and bending ribs downward at predetermined intervals, a perforated steel plate or an expanded metal arranged on the lower surface of the bent thin steel plate, and After laying on the beam a lightweight synthetic floorboard composed of a lightweight concrete board or an ALC board and a hard foam resin filled between the board and the bent thin steel sheet, slab streaks are arranged on the upper surface. The post-cast concrete is cast to a required thickness, and the composite floor boards are mutually connected or the composite floor board and the beam are tightly connected through the post-cast concrete.
【００１１】[0011]
【作用】本発明に係る軽量合成床板は前記したように、
所定間隔毎に下方向にリブを曲成した軽量で強度、剛性
の大きい折り曲げ薄鋼板と、同薄鋼板の下面に配設され
た穴あき鋼板またはエキスパンドメタル及び軽量コンク
リート板またはＡＬＣ板と、同エキスパンドメタル及び
軽量コンクリート板またはＡＬＣ板との間に充填された
硬質発砲ウレタンの如き軽量の硬質発泡樹脂とより構成
されているので、本発明の床板は従来の鉄筋コンクリー
ト床板と比較すると自重が大幅に軽減され、鉛直荷重に
対しては前記リブ付き折り曲げ鋼板で抵抗し、耐火に対
しては軽量コンクリートで、遮音に対しては軽量コンク
リートと硬質発泡樹脂が有効に作用する。As described above, the lightweight synthetic floorboard according to the present invention has the following features.
Lightweight, strong and rigid bent thin steel plate with ribs bent downward at regular intervals, and a perforated steel plate or expanded metal and lightweight concrete plate or ALC plate disposed on the lower surface of the thin steel plate. Since the floorboard of the present invention is composed of a lightweight rigid foamed resin such as hard foaming urethane filled between the expanded metal and the lightweight concrete board or the ALC board, the floorboard of the present invention has a large self-weight as compared with the conventional reinforced concrete floorboard. The ribbed bent steel plate resists the vertical load, the lightweight concrete is effective for fire resistance, and the lightweight concrete and the hard foam resin are effective for sound insulation.
【００１２】請求項２の発明によれば前記折曲げ薄鋼板
がＴ型またはπ型に曲成されたことによって前記鋼板が
補強且つ補剛され、前記穴あき鋼板またはエキスパンド
メタルとの間に硬質発泡樹脂の注入空間が形成されるも
のである。請求項３の発明によれば、前記折曲げ鋼板の
リブ下端に異形鉄筋を挿入して締着し、同鉄筋と前記リ
ブとを一体化して鉛直荷重に対してより強力に抵抗する
ものである。According to the invention of claim 2, since the bent thin steel plate is bent into a T-shape or a π-shape, the steel plate is reinforced and stiffened, and is hard between the perforated steel plate and the expanded metal. The injection space for the foamed resin is formed. According to the invention of claim 3, the deformed reinforcing bar is inserted into the lower end of the rib of the bent steel plate and fastened, and the reinforcing bar and the rib are integrated to more strongly resist the vertical load. .
【００１３】請求項４の発明は、前記折曲げ薄鋼板にお
ける相隣るリブと、同各リブの下面に配設された穴あき
鋼板及び軽量コンクリート板との間に形成された中空部
に硬質発泡樹脂を充填し、前記穴あき鋼板の透孔を介し
て硬質発泡樹脂と軽量コンクリート板とを一体化するこ
とによって軽量合成床板を効率よく構成しうるものであ
る。According to a fourth aspect of the present invention, a rigid portion is formed in the hollow portion formed between the adjacent ribs of the bent thin steel plate and the perforated steel plate and the lightweight concrete plate arranged on the lower surface of each rib. The lightweight synthetic floorboard can be efficiently constructed by filling the foamed resin and integrating the hard foamed resin and the lightweight concrete board through the through holes of the perforated steel sheet.
【００１４】請求項５の発明によれば、前記のようにし
て構成された軽量合成複合版を梁上に敷設し、上面にス
ラブ筋を配筋し現場で後打ちコンクリートを必要厚さと
なるように打設し、前記複合版を床型枠として床を施工
することにより、耐火に関しては軽量コンクリートで、
遮音に対しては軽量コンクリートと発泡樹脂との複合効
果で、面内剛性に関しては後打ちコンクリートで抵抗す
るものである。According to the invention of claim 5, the lightweight composite composite plate constructed as described above is laid on the beam, and slab reinforcement is arranged on the upper surface so that the post-cast concrete has a required thickness on site. By placing it on the floor and constructing the floor using the composite plate as a floor formwork, it is lightweight concrete for fire resistance,
The soundproofing is a composite effect of lightweight concrete and foamed resin, and the post-cast concrete resists the in-plane rigidity.
【００１５】[0015]
【実施例】以下、本発明を図示の実施例について説明す
る。図１は本発明に係る軽量合成床板に用いられる折り
曲げ薄鋼板１を示し、図２は前記床板の断面形状を示
し、床板は厚さ約１５〜２５ｃｍ、幅１８０〜２４０ｃ
ｍ、長さ５〜７ｍ程度を限度とし、施工される建物に応
じて割り付けを決定し、幅、長さを調整する。The present invention will be described below with reference to the illustrated embodiments. FIG. 1 shows a bent thin steel plate 1 used for a lightweight synthetic floorboard according to the present invention, and FIG. 2 shows a sectional shape of the floorboard, the floorboard having a thickness of about 15 to 25 cm and a width of 180 to 240 c.
m, length is about 5 to 7 m, and allocation is determined according to the building to be constructed, and width and length are adjusted.
【００１６】薄鋼板１を折り曲げて図１（イ）及び図１
（ロ）に示すようにＴ型、またはπ型に成型したのち、
この折り曲げ薄鋼板１を図１（ロ）に示すように横方向
に連結して所定の幅の折り曲げ鋼板を製作する。この
際、同薄鋼板の曲成部のリブ２のフランジ部分の片側に
は下向きの折り返し部３が、他側には上向きの折り返し
部４が曲成され、同各折り返し部３，４が噛合するよう
に連結する。The thin steel plate 1 is bent to obtain the structure shown in FIGS.
After molding into T-type or π-type as shown in (b),
The bent thin steel plates 1 are laterally connected as shown in FIG. 1B to manufacture a bent steel plate having a predetermined width. At this time, a downward folding portion 3 is bent on one side of the flange portion of the rib 2 of the bending portion of the same thin steel plate, and an upward folding portion 4 is bent on the other side, and the folding portions 3 and 4 mesh with each other. Connect as you would.
【００１７】なお前記鋼板１の折り曲げ時、必要に応じ
て前記リブ２の下端彎曲部に異形鉄筋５を巻き込んで、
同巻き込み部をリブ２の上から油圧治具によって締め着
けて前記リブ２と異形鉄筋５とを一体化する。このよう
にして成型されたリブ付きの折り曲げ薄鋼板１の下部に
穴あき鋼板６、またはエキスパンドメタルを溶接して取
り付ける。更に穴あき鋼板６の下面に軽量コンクリート
板７またはＡＬＣ板を取り付ける。When the steel plate 1 is bent, the deformed bar 5 is wound around the lower end curved portion of the rib 2 if necessary,
The winding portion is fastened from above the rib 2 with a hydraulic jig to integrate the rib 2 and the deformed bar 5. The perforated steel plate 6 or expanded metal is welded and attached to the lower portion of the bent thin steel plate 1 with ribs formed in this manner. Further, a lightweight concrete plate 7 or an ALC plate is attached to the lower surface of the perforated steel plate 6.
【００１８】次いで前記折り曲げ薄鋼板１の周面及び上
下面を拘束したのち、同折り曲げ薄鋼板１及びそのリブ
２と穴あき鋼板６、軽量コンクリート板７との間に形成
された中空部分に硬質発泡樹脂８を注入して、前記折り
曲げ薄鋼板１及び下面の軽量コンクリート板７を一体化
する。なお前記硬質発泡樹脂８は下面に配設された穴あ
き鋼板６の穴を介して折り曲げ薄鋼板１硬質発泡樹脂
８、穴あき鋼板６、軽量コンクリート板７またはＡＬＣ
板が一体となる。Next, after the peripheral surface and the upper and lower surfaces of the bent thin steel plate 1 are constrained, the bent thin steel plate 1 and the ribs 2 thereof, the perforated steel plate 6, and the hollow portion formed between the lightweight concrete plate 7 are hard. The foamed resin 8 is injected to integrate the bent thin steel plate 1 and the lightweight concrete plate 7 on the lower surface. The hard foamed resin 8 is bent through a hole of a perforated steel plate 6 provided on the lower surface of the thin steel plate 1. The hard foamed resin 8, the perforated steel plate 6, the lightweight concrete plate 7 or the ALC.
The board becomes one.
【００１９】前記のようにして構成した軽量合成床板Ａ
を図４及び図５に示すように梁９の上に敷設して上面に
所要のスラブ筋１０を配筋したのち、軽量コンクリート
よりなる場所打コンクリート１１を必要な厚さに打設し
て、前記床板と梁とを一体化すると同時に床板の上面の
仕上げを行う。図中１２はふさぎ板、１３は床板受け、
１４はスタッドボルトである。Lightweight synthetic floorboard A constructed as described above
As shown in FIGS. 4 and 5, after laying on the beam 9 and arranging the required slab reinforcements 10 on the upper surface, a cast-in-place concrete 11 made of lightweight concrete is placed in a required thickness. The floor plate and the beams are integrated, and at the same time, the upper surface of the floor plate is finished. In the figure, 12 is a cover plate, 13 is a floor plate receiver,
14 is a stud bolt.
【００２０】なお前記床板Ａの上面に打設される場所打
コンクリート１１は同床板Ａと梁部及び床板同士の一体
化を図るとともに、同時に建物床面の面内剛性を確保す
ること、及び床仕上げ面を平滑にする機能を果すもので
ある。前記床板Ａと鉄骨梁とを接合する場合、同床板を
梁フランジに接するように敷設して後、場所打ちコンク
リートを床上面に打設するか、図５に示すように前記床
板Ａの端部を梁フランジより若干離隔して梁フランジを
巻き込むようにコンクリートを打設する。前者の接合方
法は床板を単純支持板として設計し、後者の場合には床
板端部の固定度を考慮できる。梁は鉄骨造、鉄骨鉄筋コ
ンクリート造、鉄筋コンクリート造のいずれでもよい。The cast-in-place concrete 11 to be placed on the upper surface of the floor board A is designed to integrate the floor board A, the beam portion and the floor boards, and at the same time, to secure the in-plane rigidity of the floor surface of the building and the floor. It has the function of smoothing the finished surface. When the floor board A and the steel beam are joined, the floor board A is laid so as to contact the beam flange, and then cast-in-place concrete is placed on the floor top surface, or the end portion of the floor board A as shown in FIG. The concrete is placed so that the beam flange is rolled up, being slightly separated from the beam flange. In the former joining method, the floor plate is designed as a simple support plate, and in the latter case, the fixing degree of the floor plate end can be considered. The beam may be a steel frame structure, a steel frame reinforced concrete structure, or a reinforced concrete structure.
【００２１】梁が鉄筋コンクリート造の場合は図６に示
すように、支柱１５に支持された梁型枠１６内に梁主筋
１７を配筋するとともに、前記軽量合成床板Ａを支持
し、且つ梁コンクリートと床板上の場所打コンクリート
１１を打設する。なお図中、前記実施例と均等部分には
同一符号が付されている。図７は梁９が半プレキャスト
コンクリート梁の場合を示し、前記軽量合成床板Ａが載
架されている。図中前記実施例と均等部分には同一符号
が付されている。When the beam is made of reinforced concrete, as shown in FIG. 6, the beam main bar 17 is arranged in the beam formwork 16 supported by the column 15, and the lightweight composite floor board A is supported, and the beam concrete is also used. And cast concrete 11 on the floor board. In the figure, the same parts as those in the above embodiment are designated by the same reference numerals. FIG. 7 shows a case where the beam 9 is a semi-precast concrete beam, on which the lightweight synthetic floorboard A is mounted. In the figure, the same parts as those in the above embodiment are designated by the same reference numerals.
【００２２】なお図６及び図７の実施例において、床板
は端部固定として評価される。Note that in the embodiment of FIGS. 6 and 7, the floorboard is evaluated as end-fixed.
【００２３】[0023]
【発明の効果】本発明に係る軽量合成床板は前記したよ
うに、下向きリブが曲成された上端部の折り曲げ薄鋼板
と、同鋼板の下面に配設された穴あき鋼板またはエキス
パンドメタル及び軽量コンクリート板またはＡＬＣ板
と、両者の中間に充填された硬質発泡樹脂とより構成さ
れているので、床が軽量化される。このように床が軽量
化されることによって建物の重量が軽減され、且つ基礎
の構造に好影響を与え、また地震時に作用する水平荷重
も軽減され、柱、梁の断面も小さくなり、躯体コストが
低減され、更に重量が小さいため、運搬費が節減され、
組立時に必要な揚重機が小型化される。かくして躯体全
体の建設コストが大幅に軽減される。As described above, the lightweight synthetic floorboard according to the present invention has a bent thin steel plate at the upper end portion with bent downward ribs, a perforated steel plate or an expanded metal disposed on the lower surface of the steel plate, and a light weight. The floor is made lighter because it is made up of a concrete plate or an ALC plate and a hard foam resin filled between them. By reducing the weight of the floor in this way, the weight of the building is reduced, the structure of the foundation is positively affected, the horizontal load that acts during an earthquake is also reduced, and the cross-sections of columns and beams are also reduced. Is reduced, and because the weight is smaller, transportation costs are reduced,
The hoist required for assembly is downsized. Thus, the construction cost of the whole body is significantly reduced.
【００２４】また前記床は鉄筋コンクリート造、鉄骨
造、鉄骨鉄筋コンクリート造のいづれにも適用でき現場
では支保工が不要となり、現場作業の省力化、工期の短
縮化が確保される。更に床板の上部には現場打ち床コン
クリートが打設されるので十分な面内剛性が確保され、
敷設した軽量合成床板間に目違いがあっても、上面を容
易に平滑に仕上げることができる。Further, the floor can be applied to any of reinforced concrete structure, steel frame structure and steel frame reinforced concrete structure, so that no support work is required at the site, and labor saving at the site and shortening of the construction period are secured. Furthermore, since in-situ cast concrete is placed on the upper part of the floor board, sufficient in-plane rigidity is secured,
Even if there is a misalignment between the laid lightweight synthetic floorboards, the top surface can be easily finished smooth.
【００２５】請求項２の発明によれば前記折り曲げ薄鋼
板はＴ型またはπ型に曲成されているので、このＴ型ま
たはπ型のリブで十分に補強且つ補剛され、また曲成部
におけるフランジ部分の片側には下向きの折り返し部
が、他側には上向きの折り返し部が設けられているの
で、前記両折り返し部を噛合させることによって薄鋼板
の連結が簡単に、しかも確実に行なわれる。According to the invention of claim 2, since the bent thin steel sheet is bent into a T-shape or π-shape, it is sufficiently reinforced and stiffened by the T-shape or π-shape rib, and the bent portion. Since the downward fold-back portion is provided on one side of the flange portion and the upward fold-back portion is provided on the other side of the flange portion, the connection of the thin steel plates can be performed easily and surely by engaging the both fold-back portions. .
【００２６】請求項３の発明によれば前記折り曲げ薄鋼
板におけるリブの下端に異形鉄筋を挿入して締着したこ
とによって、前記薄鋼板をより補強、且つ補剛しうるも
のである。請求項４の発明によれば、相隣る前記薄鋼板
のリブ下面に穴あき鋼板及び軽量コンクリート板を取り
付けたのち、前記相隣るリブ間に形成された中空部に硬
質発泡樹脂を充填し、前記リブ下面の鋼板の穴を介して
同硬質発泡樹脂と前記軽量コンクリート板とを一体化
し、簡単に合成樹脂板を構成しうるものである。According to the third aspect of the present invention, the deformed rebar is inserted into the lower ends of the ribs of the bent thin steel sheet and tightened, whereby the thin steel sheet can be further reinforced and stiffened. According to the invention of claim 4, after attaching the perforated steel plate and the lightweight concrete plate to the lower surface of the ribs of the adjacent thin steel plates, the hollow portion formed between the adjacent ribs is filled with the hard foam resin. The synthetic resin plate can be easily configured by integrating the hard foam resin and the lightweight concrete plate through the holes of the steel plate on the lower surface of the rib.
【００２７】請求項５の発明によれば前記したように、
上面がフラットで所定の間隔に下方向にリブを曲成して
なる折り曲げ薄鋼板と、同折り曲げ薄鋼板の下面に配設
された穴あき鋼板またはエキスパンドメタル及び軽量コ
ンクリート板またはＡＬＣ板と、同板と前記折り曲げ薄
鋼板との間に充填された硬質発泡樹脂とより構成された
軽量合成床板を梁上に敷設したのち、上面にスラブ筋を
配筋して、後打ちコンクリートを必要厚さに打設し、同
後打ちコンクリートを介して前記合成床板相互間または
同合成床板と梁とを緊結することによって、現場作業の
省力化が図られ工期が短縮され、軽量で遮音性に優れ、
且つ構造的に優れた合成床板を施工しうるものである。According to the invention of claim 5, as described above,
A bent thin steel plate having a flat upper surface and bending ribs downward at predetermined intervals, and a perforated steel plate or expanded metal and lightweight concrete plate or ALC plate arranged on the lower surface of the bent thin steel plate, After laying on the beam a lightweight synthetic floorboard composed of hard foam resin filled between the board and the bent thin steel sheet, slab reinforcement is arranged on the upper surface, and post-cast concrete is made to have the required thickness. By placing and connecting the synthetic floorboards or the synthetic floorboards and beams via the same post-casting concrete, labor saving on site work is shortened, the construction period is shortened, lightweight and excellent in sound insulation,
Moreover, it is possible to construct a synthetic floor board that is structurally excellent.
【図１】（イ）（ロ）（ハ）は折り曲げ薄鋼板の断面図
で、（ニ）は図１（イ）の部分Ｘ、（ホ）は図１（ハ）
の部分Ｙの拡大図である。1 (a), (b) and (c) are cross-sectional views of a bent thin steel sheet, (d) is a portion X of FIG. 1 (a), and (e) is FIG. 1 (c).
It is an enlarged view of the part Y of.
【図２】本発明に係る軽量合成床板の斜視図である。FIG. 2 is a perspective view of a lightweight synthetic floorboard according to the present invention.
【図３】図２に示す軽量合成床板における薄鋼板のリブ
に異形鉄筋を抱着した実施例の部分拡大図である。FIG. 3 is a partially enlarged view of an embodiment in which a deformed reinforcing bar is attached to a rib of a thin steel plate in the lightweight synthetic floor board shown in FIG.
【図４】本発明に係る合成軽量床板と鉄骨梁との接合部
を示す縦断面図である。FIG. 4 is a vertical cross-sectional view showing a joint between a synthetic lightweight floorboard and a steel frame beam according to the present invention.
【図５】本発明に係る合成軽量床板と鉄骨梁との接合部
の他の実施例を示す縦断面図である。FIG. 5 is a vertical cross-sectional view showing another embodiment of the joint portion between the synthetic lightweight floorboard and the steel beam according to the present invention.
【図６】本発明に係る合成軽量床板と場所打ち鉄筋コン
クリート梁との接合部を示す縦断面図である。FIG. 6 is a vertical cross-sectional view showing a joint portion between a synthetic lightweight floorboard and a cast-in-place reinforced concrete beam according to the present invention.
【図７】本発明に係る合成軽量床板と半プレキャストコ
ンクリート梁との接合部を示す縦断面図である。FIG. 7 is a vertical cross-sectional view showing a joint between a synthetic lightweight floorboard according to the present invention and a semi-precast concrete beam.
【図８】従来の合成床板の一部を欠截して示した斜視図
である。FIG. 8 is a perspective view showing a part of a conventional synthetic floorboard in a cutaway manner.
【図９】従来の中空合成床板の他の例を示す断面図であ
る。FIG. 9 is a cross-sectional view showing another example of a conventional hollow synthetic floorboard.
Ａ 軽量合成床板 １ 折り曲げ薄鋼板 ２ リブ ３ 下向きの折返し部 ４ 上向きの折返し部 ５ 異形鉄筋 ６ 穴あき鋼板 ７ 軽量コンクリート板 ８ 硬質発泡樹脂 ９ 梁 １０ スラブ筋 １１ 場所打コンクリート １２ ふさぎ板 １３ 床板受け １４ スタッドボルト １５ 支柱 １６ 梁型枠 １７ 梁主筋 A Lightweight synthetic floor board 1 Bending thin steel plate 2 Rib 3 Downward folding part 4 Upward folding part 5 Deformed bar 6 Perforated steel plate 7 Lightweight concrete plate 8 Hard foam resin 9 Beam 10 Slab reinforcement 11 Cast concrete 12 Cover plate 13 Floor plate support 14 Stud bolts 15 Struts 16 Beam formwork 17 Beam main bars
───────────────────────────────────────────────────── フロントページの続き (72)発明者 安達 圭朗 東京都中央区日本橋堀留町１丁目10番12号 中央ビルト工業株式会社内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Keiro Adachi 1-10-12 Nihonbashi Horidomecho, Chuo-ku, Tokyo Chuo Built Industry Co., Ltd.
Claims (5)
にリブを曲成してなる折り曲げ薄鋼板と同折り曲げ薄鋼
板の下面に配設された穴あき鋼板またはエキスパンドメ
タル及び軽量コンクリート板またはＡＬＣ板と、同軽量
コンクリート板またはＡＬＣ板と前記折り曲げ薄鋼板と
の間に充填された硬質発泡樹脂とより構成されたことを
特徴とする軽量合成床板。1. A bent thin steel plate having a flat upper surface and bending ribs downward at predetermined intervals, and a perforated steel plate or expanded metal and lightweight concrete plate arranged on the lower surface of the bent thin steel plate, or A lightweight synthetic floorboard comprising an ALC board and the same lightweight concrete board or a hard foam resin filled between the ALC board and the bent thin steel sheet.
曲成され、更に同曲成部における左右フランジ部分の片
側には下向きの折り返し部が、他側には上向きの折り返
し部が曲成され、相隣る前記折り曲げ薄鋼板のフランジ
の折り返し部分が噛合するように連結された請求項１記
載の軽量合成床板。2. The bent thin steel sheet is bent into a T-shape or a π-shape, and further, a downward fold-back portion is formed on one side of the left and right flange portions of the curved formation portion, and an upward-facing fold-back portion is formed on the other side. The lightweight synthetic floorboard according to claim 1, wherein the flanges of the adjacent bent thin steel plates are connected so as to mesh with each other.
薄鋼板におけるリブの下端に異形鉄筋を挿入して締着
し、同鉄筋と前記リブとを一体化した請求項１または２
記載の軽量合成床板。3. The deformed rebar is inserted into and fastened to the lower end of the rib of the bent thin steel plate bent in the T-shape or π-shape, and the rebar and the rib are integrated.
Lightweight synthetic floorboard as described.
下面に穴あき鋼板及び軽量コンクリート板を取り付けた
のち、相隣る前記リブ間に形成された中空部に硬質発泡
樹脂を充填し、前記リブ下面の鋼板の穴を介して前記硬
質発泡樹脂と軽量コンクリート板とを一体化する軽量合
成床板の施工方法。4. A perforated steel plate and a lightweight concrete plate are attached to the lower surfaces of adjacent ribs in the bent thin steel plate, and a hollow portion formed between the adjacent ribs is filled with a hard foam resin, A method for constructing a lightweight synthetic floorboard, wherein the rigid foamed resin and the lightweight concrete board are integrated through a hole in the steel sheet on the lower surface of the rib.
リブを曲成してなる折り曲げ薄鋼板と、同折り曲げ薄鋼
板の下面に配設された穴あき鋼板またはエキスパンドメ
タル及び軽量コンクリート板またはＡＬＣ板と、同板と
前記折り曲げ薄鋼板との間に充填された硬質発泡樹脂と
より構成された軽量合成床板を梁上に敷設したのち、上
面にスラブ筋を配筋して、後打ちコンクリートを必要厚
さに打設し、同後打ちコンクリートを介して前記合成床
板相互間または同合成床板と梁とを緊結する軽量合成床
板の施工方法。5. A bent thin steel plate having a flat upper surface and bending ribs downward at predetermined intervals, and a perforated steel plate or expanded metal and lightweight concrete plate arranged on the lower surface of the bent thin steel plate, or A lightweight synthetic floorboard composed of an ALC board and a rigid foam resin filled between the board and the bent thin steel sheet was laid on the beam, and then slab reinforcement was arranged on the upper surface, and post-cast concrete A method for constructing a lightweight composite floorboard, in which the composite floorboards are placed to a required thickness, and the composite floorboards are bonded to each other or the composite floorboards and the beams are tightly bonded through the post-cast concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2684395A JPH08218539A (en) | 1995-02-15 | 1995-02-15 | Light weight composite floor board and construction method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2684395A JPH08218539A (en) | 1995-02-15 | 1995-02-15 | Light weight composite floor board and construction method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH08218539A true JPH08218539A (en) | 1996-08-27 |
Family
ID=12204561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2684395A Pending JPH08218539A (en) | 1995-02-15 | 1995-02-15 | Light weight composite floor board and construction method thereof |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH08218539A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102817434A (en) * | 2012-08-19 | 2012-12-12 | 吴方伯 | Reinforced concrete hollow floorslab |
| JP2019199783A (en) * | 2018-05-18 | 2019-11-21 | 株式会社竹中工務店 | Support structure of floor slab |
| CN111395621A (en) * | 2020-03-24 | 2020-07-10 | 河北智构建筑科技发展有限公司 | Assembled light bearing floor slab, building device and manufacturing method of assembled light bearing floor slab |
-
1995
- 1995-02-15 JP JP2684395A patent/JPH08218539A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102817434A (en) * | 2012-08-19 | 2012-12-12 | 吴方伯 | Reinforced concrete hollow floorslab |
| JP2019199783A (en) * | 2018-05-18 | 2019-11-21 | 株式会社竹中工務店 | Support structure of floor slab |
| CN111395621A (en) * | 2020-03-24 | 2020-07-10 | 河北智构建筑科技发展有限公司 | Assembled light bearing floor slab, building device and manufacturing method of assembled light bearing floor slab |
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