JPH0654053B2 - Spacer spacer - Google Patents
Spacer spacerInfo
- Publication number
- JPH0654053B2 JPH0654053B2 JP62115615A JP11561587A JPH0654053B2 JP H0654053 B2 JPH0654053 B2 JP H0654053B2 JP 62115615 A JP62115615 A JP 62115615A JP 11561587 A JP11561587 A JP 11561587A JP H0654053 B2 JPH0654053 B2 JP H0654053B2
- Authority
- JP
- Japan
- Prior art keywords
- spacer
- deck plate
- portions
- reinforcing bar
- pair
- 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 - Lifetime
Links
- 125000006850 spacer group Chemical group 0.000 claims description 61
- 230000003014 reinforcing effect Effects 0.000 claims description 36
- 238000005452 bending Methods 0.000 claims description 5
- 239000002131 composite material Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 description 8
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
Landscapes
- Reinforcement Elements For Buildings (AREA)
- Bridges Or Land Bridges (AREA)
Description
【発明の詳細な説明】 ［産業上の利用分野］ この発明は、デッキプレート上にコンクリートを打設し
て合成スラブを構築する際に使用する配筋用スペーサに
関する。TECHNICAL FIELD The present invention relates to a reinforcing bar spacer used when a concrete slab is cast on a deck plate to construct a synthetic slab.
［従来の技術］ 梁上にデッキプレートを敷き、これを捨て型枠としてコ
ンクリートを打設して合成スラブを構築する場合、コン
クリート打設前に配筋を行うが、その際、デッキプレー
ト上にスペーサを置き、このスペーサ上に鉄筋を乗せる
ことが行なわれている。従来、この種のスペーサとし
て、第９図に示すように、鉄筋を置く溝1aを設けたコン
クリート製、または、樹脂製のスペーサブロック１が用
いられている。配筋時には、第１０図に示すように、前
記スペーサブロック１をデッキプレート２上に例えば1m
間隔程度の分布で乗せ、このスペーサブロック１上に、
工場で予め製造した例えば線径６mm、編み目寸法１５０
mm等の溶接金網３を鉄筋として乗せていた。[Prior Art] When laying a deck plate on a beam and placing concrete using this as a discard form to construct a synthetic slab, reinforcement is done before placing concrete, but at that time, on the deck plate. It is practiced to place a spacer and place a reinforcing bar on the spacer. Conventionally, as this type of spacer, as shown in FIG. 9, a spacer block 1 made of concrete or resin provided with a groove 1a for placing a reinforcing bar is used. When arranging, as shown in FIG. 10, the spacer block 1 is placed on the deck plate 2 for, for example, 1 m.
Place with a distribution of about the interval, on this spacer block 1,
Prefabricated in the factory, for example, wire diameter 6mm, stitch size 150
The welding wire mesh 3 of mm or the like was placed as a reinforcing bar.
なお、上記のスペーサブロック１は、単なる波形断面の
一般的なデッキプレートの場合に広く使用されている
が、最近使用され始めた図示のデッキプレート２のよう
に、山部2aの両側斜辺部に形成された１対のカギ部2b、
谷部2cの中央の鳩尾状部2dの両側に形成された１対のカ
ギ部2e等のごとく、対称的に内側に屈曲した１対のカギ
部を持つ断面形状のデッキプレートの場合にも、同様に
使用されている。The spacer block 1 is widely used in the case of a general deck plate having a simple corrugated cross section, but like the illustrated deck plate 2 which has recently begun to be used, the spacer blocks 1 are provided on both sides of the mountain portion 2a. A pair of key portions 2b formed,
Even in the case of a deck plate having a cross-sectional shape having a pair of symmetrically inwardly bent key portions, such as a pair of key portions 2e formed on both sides of the central dovetail portion 2d of the valley portion 2c, Is used as well.
［発明が解決しようとする問題点］ 上記従来のスペーサブロック１では、デッキプレート２
上に単に置くだけのものであるから、安定性に欠け、位
置がずれたり、さらには、谷部2cに落ちてしまったりし
て、溶接金網３を乗せた時に、その支えとならず、溶接
金網３がデッキプレート２上に直接乗ってしまう場合が
生ずる。すると、コンクリートのかぶり厚さ（コンクリ
ート表面から鉄筋までの深さ）が不適切となり、コンク
リートにクラックが発生する原因となる。このため、溶
接金網３を乗せる際、スペーサブロック１が実際に支え
となっているかどうかを確認し、位置ずれしておれば手
直ししなければならず、きわめて繁雑であった。また、
重量があり、かさ張るので、取り扱い性に欠けるという
欠点もある。[Problems to be Solved by the Invention] In the conventional spacer block 1 described above, the deck plate 2
Since it is simply placed on top, it lacks stability, shifts in position, and even falls into the valley 2c, and does not serve as a support when the welding wire mesh 3 is placed, There may be a case where the wire net 3 directly rides on the deck plate 2. Then, the cover thickness of the concrete (depth from the concrete surface to the reinforcing bar) becomes improper, which causes cracks in the concrete. Therefore, when the welding wire net 3 is placed, it is necessary to check whether the spacer block 1 is actually a support, and if the spacer block 1 is misaligned, it has to be reworked, which is extremely complicated. Also,
Since it is heavy and bulky, it also has the drawback of not being easy to handle.
この発明は、上記事情に鑑みてなされたもので、デッキ
プレート上に置かれた時、位置ずれが生じず確実な鉄筋
の支えとなることができ、また、取り扱いの容易な配筋
用スペーサを得ることを目的とする。This invention has been made in view of the above circumstances, and when it is placed on a deck plate, it does not cause positional displacement and can reliably support the reinforcing bar. The purpose is to get.
［問題点を解決するための手段］ 上記問題点を解決する第１の発明は，山部の両側の斜辺
部の中間高さ位置にそれぞれ，対称的に内側に屈曲した
１対のカギ部を持つ断面形状のデッキプレート上にコン
クリートを打設して合成スラブを構築する際に使用する
配筋用スペーサであって， 線材を屈曲して形成した，中央の凸部と，前記デッキプ
レートの山部の上面に乗る左右の平坦部と，この平坦部
の両端から下方外向きに傾斜して延びる傾斜部と，この
傾斜部の下端でデッキプレートの前記１対のカギ部にそ
れぞれ弾性的に嵌合する内向きの嵌合部とを持つ少なく
とも２個以上の互いに平行な脚部と， 前記の各脚部中央の凸部間に渡され固定された支承バー
とからなる配筋用スペーサである。[Means for Solving Problems] A first invention for solving the above problems is to provide a pair of symmetrically inwardly bent key portions at intermediate height positions on both sides of a mountain portion. A reinforcing bar spacer used when constructing a composite slab by placing concrete on a deck plate having a cross-sectional shape, and having a central convex portion formed by bending a wire and a mountain of the deck plate. Left and right flat portions on the upper surface of the section, inclined sections extending downward and outward from both ends of the flat section, and elastically fitted to the pair of key sections of the deck plate at the lower ends of the inclined sections, respectively. A reinforcing bar spacer comprising at least two or more parallel leg portions having mating inward fitting portions and a bearing bar fixed between the convex portions at the center of each leg portion. .
また，第２の発明は，谷部の中央に，対称的に内側に屈
曲した１対のカギ部が形成される鳩尾状部を持つ断面形
状のデッキプレート上にコンクリートを打設して合成ス
ラブを構築する際に使用する配筋用スペーサであって， 線材を屈曲して形成した，中央の凸部と，この凸部の下
端から内側にそれぞれ延び，デッキプレートの谷部に乗
る平坦部と，この平坦部の先端部分であって，前記１対
のカギ部にそれぞれ弾性的に嵌合する嵌合部とを持つ少
なくとも２個以上の互いに平行な脚部と， 前記の各脚部中央の凸部間に渡され固定された支承バー
とからなる配筋用スペーサである。The second invention is a synthetic slab in which concrete is placed on a deck plate having a cross section having a dovetail-shaped portion in which a pair of symmetrically bent keys are formed in the center of the valley portion. A reinforcing bar spacer to be used when constructing, a central convex part formed by bending a wire rod, and a flat part extending inward from the lower end of the convex part and riding on the valley part of the deck plate. , At least two or more parallel leg portions, which are the tip portions of the flat portions, and have fitting portions that elastically fit into the pair of key portions, and the central portion of each of the leg portions. It is a spacer for reinforcing bars, which is composed of a bearing bar that is fixed between the convex portions.
［作用］ 上記構成の配筋用スペーサをデッキプレート上に置く場
合、脚部の両端の嵌合部をデッキプレートの対称的な１
対のカギ部にそれぞれ嵌合させて置くと、配筋用スペー
サは、線材の弾性力により、位置ずれの生じない安定し
た固定状態でデッキプレート上に配置される。そして、
この配筋用スペーサの支承バーは、溶接金網等の鉄筋を
支える。[Operation] When the reinforcing bar spacer having the above-mentioned configuration is placed on the deck plate, the fitting portions at both ends of the legs are symmetrically arranged on the deck plate.
When placed in the pair of key portions, the reinforcing bar spacers are arranged on the deck plate in a stable fixed state without displacement due to the elastic force of the wire. And
The supporting bar of the reinforcing bar spacer supports the reinforcing bar such as welded wire mesh.
第１の発明の配筋用スペーサの場合，嵌合部をデッキプ
レートのカギ部に嵌合させる操作は，脚部をデッキプレ
ートの山部において単に下向きに押し込むだけでよい。
これにより，配筋用スペーサの嵌合部がデッキプレート
の山部両側の斜辺部を滑って容易にカギ部に嵌まり込
む。また，嵌合部がカギ部に嵌合した状態では，配筋用
スペーサの傾斜部がデッキプレートの斜辺部を弾性的に
抱くことになるので，この点でも配筋用スペーサは安定
した固定状態でデッキプレート上に配置される。In the case of the reinforcing bar spacer of the first invention, the operation of fitting the fitting portion to the key portion of the deck plate may be performed by simply pushing the leg portion downward in the mountain portion of the deck plate.
As a result, the fitting portion of the reinforcing bar slides on the slopes on both sides of the mountain portion of the deck plate and easily fits into the key portion. In addition, when the fitting part is fitted in the key part, the inclined part of the reinforcing bar spacer elastically holds the hypotenuse part of the deck plate. It is placed on the deck plate with.
また，第２の発明の配筋用スペーサの場合，谷部に置く
ものであるから，凸部の丈は山部に置く場合と較べて十
分高い。したがって，凸部は手で容易に左右に開くこと
ができ，内側に延びる平坦部の先端の嵌合部を容易に鳩
尾状部の両側のカギ部に嵌合させることができる。Further, in the case of the reinforcing bar spacer of the second invention, since it is placed in the valley portion, the height of the convex portion is sufficiently higher than that in the case of placing it in the mountain portion. Therefore, the convex portion can be easily opened right and left by hand, and the fitting portion at the tip of the flat portion extending inward can be easily fitted to the key portions on both sides of the dovetail-shaped portion.
［実施例］ 以下、本発明の実施例を第１図〜第８図を参照して説明
する。[Embodiment] An embodiment of the present invention will be described below with reference to FIGS. 1 to 8.
第１図〜第４図は第１の発明の第１実施例を示す。第１
図は斜視図、第２図は正面図、第３図は第２図のIII−I
II線断面図、第４図は使用状態図である。この実施例の
配筋用スペーサ（以下、単にスペーサと略す)１０は、
互いに平行な２本の脚部１１と、これらの脚部１１の後
述する凸部１１a間に渡され溶接固定された１本の支承
バー１２とからなっている。前記脚部１１は、１本の線
材を屈曲して形成したもので、中央の凸部１１aと、こ
の凸部１１aの両側の平坦部１１bと、デッキプレート２
の山部2aの両側斜辺部に形成されたカギ部2bに嵌合する
嵌合部１１cとを有している。前記凸部１１aの高さは、
打設するコンクリート厚さ（通常８５mm〜１００mm程
度）、および、コンクリートかぶり厚さ（通常３０mm程
度）に応じて所定の寸法にする。また、前記両側の嵌合
部１１cの先端内側部(矢印(イ)部分)は、脚部１１をデッ
キプレート２の山部2aに押し込んだ時カギ部2bにスムー
ズに嵌合するように、丸みを付けており、そして、左右
の嵌合部１１cの内側寸法ｌ(第１図参照)は、カギ部2b
の外側間の距離ｍ(第２図参照)より若干狭くして、嵌合
部１１cがカギ部2bに弾性的に嵌合するようにしてい
る。1 to 4 show a first embodiment of the first invention. First
The figure is a perspective view, FIG. 2 is a front view, and FIG. 3 is III-I in FIG.
A sectional view taken along line II and FIG. 4 are usage diagrams. The reinforcing bar spacer (hereinafter, simply referred to as spacer) 10 of this embodiment is
It is composed of two legs 11 which are parallel to each other and one bearing bar 12 which is welded and fixed between convex portions 11a of the legs 11 which will be described later. The leg portion 11 is formed by bending a single wire rod, and has a central convex portion 11a, flat portions 11b on both sides of the convex portion 11a, and a deck plate 2
It has a fitting portion 11c which fits into a key portion 2b formed on both oblique sides of the mountain portion 2a. The height of the convex portion 11a is
The size is set according to the thickness of the concrete to be cast (usually about 85 mm to 100 mm) and the concrete cover thickness (usually about 30 mm). In addition, the inner ends of the fitting portions 11c on both sides (arrow (a) portions) are rounded so that when the leg portions 11 are pushed into the ridge portions 2a of the deck plate 2, the fitting portions 11c smoothly fit into the key portions 2b. , And the inner dimension l (see FIG. 1) of the left and right fitting portions 11c is the key portion 2b.
It is made slightly smaller than the distance m between the outer sides (see FIG. 2) so that the fitting portion 11c elastically fits the key portion 2b.
上記構成のスペーサ１０をデッキプレート２に配置する
場合、脚部１１をデッキプレート２の山部2aに合わせて
上から押し込めば、第２図にも示すように、左右の嵌合
部１１cが斜辺部のカギ部2bに弾性的に嵌合し、山部2a
を線材の弾性力により左右から強く挟持する状態とな
る。こうして、スペーサ１０はデッキプレート２に固定
され、デッキプレート２の幅方向にはもち論、デッキプ
レート２の長さ方向にも移動しない。この場合、スペー
サ１０は、脚部１１が２本あることにより安定であり、
また、平坦部１１bがデッキプレート上に乗ることによ
り十分な支持力を持つ。When arranging the spacer 10 having the above-mentioned configuration on the deck plate 2, if the legs 11 are aligned with the ridges 2a of the deck plate 2 and pushed in from above, as shown in FIG. Elastically fitted to the key 2b of the
The elastic force of the wire material strongly clamps the wire from the left and right. In this way, the spacer 10 is fixed to the deck plate 2, has the width direction of the deck plate 2, and does not move in the length direction of the deck plate 2. In this case, the spacer 10 is stable due to the two legs 11,
Further, the flat portion 11b has a sufficient supporting force by riding on the deck plate.
また、上記のスペーサ配置作業において、スペーサ１０
は重量が軽く、かさ張らないので、取り扱いは容易であ
る。In addition, in the above spacer arrangement work, the spacer 10
Is light and not bulky, so it is easy to handle.
なお、両嵌合部１１cの内側寸法ｌは、両カギ部2bの外
側間距離mに対して、脚部１１をデッキプレート２の山
部2aに押し込むことができることと、押し込んだ時山部
2aを強く挟持することとの両条件を適切に満たすように
設定する。The inner dimension 1 of both fitting portions 11c is such that the leg portion 11 can be pushed into the mountain portion 2a of the deck plate 2 with respect to the distance m between the outer sides of the both key portions 2b, and the mountain portion when pushed.
Set so that both conditions of strongly clamping 2a are properly satisfied.
前述のスペーサ１０をデッキプレート２上に例えば１m
間隔程度の分布で配置した後は、従来と同様に(第２図
参照)溶接金網３を敷く。この場合、スペーサ１０の支
承バー１２が溶接金網３を受ける。この状態を第４図に
示す。The above-mentioned spacer 10 is placed on the deck plate 2 for, for example, 1 m.
After arranging with the distribution of the interval, the welding wire net 3 is laid in the same manner as the conventional one (see FIG. 2). In this case, the support bar 12 of the spacer 10 receives the welding wire net 3. This state is shown in FIG.
上述のようにスペーサ１０の位置ずれが生じないので、
すべてのスペーサ１０が確実に溶接金網３を支え、溶接
金網３がデッキプレート２に直接乗る等の問題は生じな
い。これにより、クラックを発生させない設計通りのコ
ンクリートかぶり厚さを得ることができる。As described above, since the displacement of the spacer 10 does not occur,
All the spacers 10 reliably support the welded wire netting 3 and the problem that the welded wire netting 3 directly rides on the deck plate 2 does not occur. As a result, it is possible to obtain a concrete cover thickness that does not cause cracks as designed.
第５図は第１の発明の第２実施例を示す。この実施例の
スペーサ２０は、脚部１１は第１実施例と同様である
が、支承バー２２は、その両端部２２aを下向きの弧状
に曲げており、さらに、脚部１１より内側位置を屈曲し
て、溶接金網３が乗る中間部２２bを脚部１１の上端面
より低く下げている。FIG. 5 shows a second embodiment of the first invention. In the spacer 20 of this embodiment, the leg portion 11 is similar to that of the first embodiment, but the support bar 22 has its both end portions 22a bent downward in an arc shape, and the position inside the leg portion 11 is bent. Then, the intermediate portion 22b on which the welding wire net 3 rides is lowered below the upper end surface of the leg portion 11.
上記のスペーサ２０において、弧状に曲げられた端部２
２aは、溶接金網３を敷く時の作業性を良好にする。す
なわち、真っ直ぐな支承バー１２を持つ第１図のスペー
サ１０の場合、溶接金網３を敷く際に、溶接金網３が支
承バー１２の端部に引っ掛かるおそれがあるが、この第
２実施例のスペーサ２０では、端部２２aが下向き弧状
に曲げられているので、その引っ掛かりのおそれはな
く、スムーズに敷設できる。In the spacer 20 described above, the end portion 2 bent in an arc shape.
2a improves workability when the welding wire net 3 is laid. That is, in the case of the spacer 10 of FIG. 1 having the straight bearing bar 12, there is a possibility that the welded wire net 3 may be caught at the end of the bearing bar 12 when the welded wire net 3 is laid. In the case of 20, the end 22a is bent downward in an arc shape, so that there is no fear of being caught by the end 22a and it can be laid smoothly.
また、支承バー２２の中間部２２bを下げる構造とする
ことにより、コンクリート厚みの種類に容易に対応でき
る。すなわち、コンクリート厚みが変われば、それに応
じてスペーサの高さを変える必要があるが、その場合、
脚部の形状より支承バーの形状の方が単純なので、脚部
の高さを変えるより支承バーの形状を変える方が製作上
容易である。支承バー２２の下げ寸法h(第５図参照)を
例えば１５mm程度の範囲内で何種類か用意しておけば、
コンクリート厚みに対応した適切なサイズのものを選
び、これを脚部１１に溶接して、所望の高さのスペーサ
を簡単に製作できる。Further, by adopting a structure in which the intermediate portion 22b of the support bar 22 is lowered, it is possible to easily cope with the type of concrete thickness. That is, if the concrete thickness changes, it is necessary to change the height of the spacer accordingly, but in that case,
Since the shape of the bearing bar is simpler than the shape of the leg, it is easier to manufacture the bearing bar than to change the height of the leg. If you prepare several kinds of lowering dimension h (see FIG. 5) of the support bar 22 within the range of about 15 mm,
It is possible to easily manufacture a spacer having a desired height by selecting an appropriate size corresponding to the concrete thickness and welding this to the leg 11.
第６図〜第８図は第２の発明の実施例を示す。この実施
例のスペーサ３０は、同様に２本の互いに平行な脚部３
１とこれに溶接固定された支承バー３２とからなってい
るが、この実施例の脚部３１は、中央の凸部３１aの両
側からそれぞれ平坦部３１bが内側に延び、この平坦部
３１bの両端が、デッキプレート２の谷部中央の鳩尾状
部2dの両側に形成された一対のカギ部2eに嵌合する嵌合
部３１cとなっている。6 to 8 show an embodiment of the second invention. The spacer 30 of this embodiment likewise comprises two parallel legs 3
The leg portion 31 of this embodiment has flat portions 31b extending inward from both sides of the central convex portion 31a, and both ends of the flat portion 31b. Is a fitting portion 31c that fits into a pair of key portions 2e formed on both sides of the dovetail-shaped portion 2d at the center of the valley portion of the deck plate 2.
上記のスペーサ３０は、脚部３１をデッキプレート２の
谷部中央の鳩尾状部2dに上から押し込めば、第７図、第
８図に示すように、左右の嵌合部３１cがカギ部2eに弾
性的に嵌合し、鳩尾状部2dを線材の弾性力により左右か
ら強く挟持する状態となる。なお，配筋用スペーサ３０
の脚部３１をデッキプレート２の鳩尾状部２ｄに押し込
む際，内側の延びる平坦部３１ｂの先端の嵌合部３１ｃ
が鳩尾状部２ｄの上面に当たってカギ部２ｅに嵌まり込
まないことが考えられるので、凸部３１ａを若干左右に
開いて押し込むとよい。この配筋用スペーサ３０はデッ
キプレート２の谷部２ｃ上に置くものであるから，凸部
３０ａの丈は山部に置く場合と較べて十分高く，また，
内側に延びる平坦部を持つ構造であるから凸部の左右の
間隔は広く，したがって，凸部３０ａは手で容易に左右
に開くことができる。こうして，スペーサ３０は、デッ
キプレート２に位置ずれが生じないように固定される。In the spacer 30 described above, when the leg portion 31 is pushed into the dovetail-shaped portion 2d at the center of the valley portion of the deck plate 2 from above, as shown in FIGS. 7 and 8, the left and right fitting portions 31c have the key portions 2e. The dovetail-shaped portion 2d is strongly clamped from the left and right by the elastic force of the wire rod. In addition, the spacer 30 for reinforcement
When the leg part 31 of the is pushed into the dovetail-shaped part 2d of the deck plate 2, the fitting part 31c at the tip of the flat part 31b extending inside
It is conceivable that will hit the upper surface of the dovetail-shaped portion 2d and will not fit into the key portion 2e, so it is advisable to open the convex portion 31a slightly to the left and right and push it in. Since this reinforcing bar spacer 30 is placed on the valley portion 2c of the deck plate 2, the height of the convex portion 30a is sufficiently higher than when it is placed on the mountain portion.
Since the structure has the flat portion extending inward, the distance between the left and right of the convex portion is wide, and therefore the convex portion 30a can be easily opened left and right by hand. In this way, the spacer 30 is fixed so that the deck plate 2 is not displaced.
上記図６〜図８の実施例においても、第５図に示した第
２実施例と同様に、支承バー３２の両端を下向き弧状に
曲げ、中間部を下げた構造とすることができる。In the embodiment shown in FIGS. 6 to 8 as well, similar to the second embodiment shown in FIG. 5, both ends of the support bar 32 can be bent downward in an arc shape and the middle portion can be lowered.
なお、上記各実施例は、鉄筋としていずれも溶接金網３
を敷くものであるが、梯子状にユニット化していない単
体の鉄筋を用いて、本発明のスペーサ上に配筋すること
もできる。この場合のスペーサは、支承バーの長さを長
くし、脚部を支承バーの長さに応じて多数個設けて長尺
スペーサにするとよい。これにより、長い支承バー上に
多数の鉄筋を並べ、その上に直角方向に鉄筋を並べて格
子状に組み立てることができる。In addition, in each of the above-described examples, the welded wire mesh 3 is used as the reinforcing bar
However, it is also possible to arrange the reinforcing bars on the spacer of the present invention by using a single reinforcing bar which is not unitized in a ladder shape. In this case, the spacer may be a long spacer in which the length of the support bar is increased and a large number of legs are provided according to the length of the support bar. As a result, a large number of reinforcing bars can be arranged on a long bearing bar, and the reinforcing bars can be arranged at right angles on the supporting bars to assemble them in a grid pattern.
［発明の効果］ 以上説明したように本発明のスペーサによれば、中央の
凸部と、デッキプレート上に乗る平坦部と、デッキプレ
ートの１対のカギ部にそれぞれ弾性的に嵌合する内向き
の嵌合部とを持つ少なくとも２個以上の互いに平行な脚
部を設け、各脚部間に支承バーを渡し固定した構造とし
たので、デッキプレート上に配置した時、位置ずれのお
それがなく、確実な鉄筋の支えとすることが可能とな
り、所定のコンクリートかぶり厚さを確保することが容
易になった。また、軽量で、かつ、かさ張らないので、
取り扱いが容易で作業性が向上した。[Effects of the Invention] As described above, according to the spacer of the present invention, the center convex portion, the flat portion on the deck plate, and the pair of key portions of the deck plate are elastically fitted to each other. Since there are at least two parallel legs with mating parts facing each other and the bearing bar is fixed between the legs, there is a risk of misalignment when placed on the deck plate. Instead, it can be used as a reliable support for the reinforcing bar, and it has become easier to secure a predetermined concrete cover thickness. Also, because it is lightweight and not bulky,
Easy to handle and improved workability.
また，第１の発明の配筋用スペーサの場合，デッキプレ
ートのカギ部に嵌合する嵌合部は，平坦部の両端の下方
外向き傾斜の傾斜部の先端に設けられているので，脚部
をデッキプレートの山部に置き単に下方に押し込むだけ
で，嵌合部はデッキプレートの斜辺部を滑って容易にカ
ギ部に嵌まり込むことができ，配筋用スペーサをデッキ
プレート上に配置する作業が容易である。Further, in the case of the reinforcing bar spacer of the first aspect of the invention, since the fitting portions that fit into the key portions of the deck plate are provided at the ends of the inclined portions that are inclined downward outward at both ends of the flat portion, The fitting part can easily fit into the key part by sliding the slant side part of the deck plate by placing the part on the mountain part of the deck plate and pushing it downward, and the reinforcing bar spacer is placed on the deck plate. It is easy to do.
さらに、嵌合部がデッキプレートのカギ部に嵌合した状
態では，配筋用スペーサの傾斜部がデッキプレートの斜
辺部を弾性的に抱くので，傾斜部と嵌合部とが協働作用
をし，この点でも配筋用スペーサは位置ずれのおそれな
くデッキプレート上に配置できる。Further, when the fitting portion is fitted to the key portion of the deck plate, the inclined portion of the reinforcing bar spacer elastically holds the hypotenuse portion of the deck plate, so that the inclined portion and the fitting portion cooperate with each other. However, also in this respect, the reinforcing bar spacer can be placed on the deck plate without fear of displacement.
また，第２の発明の配筋用スペーサの場合は，谷部に置
くものであるから凸部の丈は十分高く，かつ，内側に延
びる平坦部を持つ構造であるから凸部の左右の間隔は広
く，したがって，凸部は手で左右に容易に開くことがで
き，嵌合部をデッキプレートの鳩尾状部の両側のカギ部
に容易に嵌合させることができる。Further, in the case of the reinforcing bar spacer of the second invention, the height of the convex portion is sufficiently high because it is placed in the valley portion, and since the structure has the flat portion extending inward, the space between the convex portion and the right portion is large. Therefore, the convex portion can be easily opened left and right by hand, and the fitting portion can be easily fitted to the key portions on both sides of the dovetail-like portion of the deck plate.
第１図は第１の発明の配筋用スペーサの第１実施例を示
す斜視図、第２図は同正面図、第３図は第２図のIII−I
II線断面図、第４図は同使用状態正面図、第５図は第２
実施例を示すスペーサの断面図、第６図は第２の発明の
１実施例を示す斜視図、第７図は同正面図、第８図は同
使用状態正面図、第９図は従来の配筋用スペーサの斜視
図、第１０図は従来の配筋用スペーサの使用状態の説明
図である。 ２……デッキプレート、2b,2e……カギ部、３……溶接
金網（鉄筋）、１０，２０，３０……配筋用スペーサ、
１１，３１……脚部、１１a，３１a……凸部、１１b，
３１b……平坦部、１１c，３１c……嵌合部、１２，２
２，３２……支承バー。FIG. 1 is a perspective view showing a first embodiment of the reinforcing bar spacer of the first invention, FIG. 2 is a front view of the same, and FIG. 3 is a III-I of FIG.
II sectional view, FIG. 4 is the same use front view, FIG.
FIG. 6 is a sectional view of a spacer showing an embodiment, FIG. 6 is a perspective view showing an embodiment of the second invention, FIG. 7 is a front view of the same, FIG. 8 is a front view of the same usage state, and FIG. FIG. 10 is a perspective view of the reinforcing bar spacer, and FIG. 10 is an explanatory view of a conventional reinforcing bar spacer in use. 2 ... Deck plate, 2b, 2e ... Key part, 3 ... Welded wire mesh (rebar) 10, 20, 30 ... Rebar spacer
11, 31 ... Legs, 11a, 31a ... Convex parts, 11b,
31b-flat part, 11c, 31c-fitting part, 12, 2
2, 32 ... Support bar.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 馬場 伝次郎 大阪府松原市上田２丁目12番38号 (56)参考文献 実開 昭59−13513（ＪＰ，Ｕ) 米国特許4453349（ＵＳ，Ａ) ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Denjiro Baba 2-1238 Ueda, Matsubara-shi, Osaka (56) References: U.S. Pat. No. 59-13513 (JP, U) US Patent 4453349 (US, A)
Claims (2)
ぞれ，対称的に内側に屈曲した１対のカギ部を持つ断面
形状のデッキプレート上にコンクリートを打設して合成
スラブを構築する際に使用する配筋用スペーサであっ
て， 線材を屈曲して形成した，中央の凸部と，前記デッキプ
レートの山部の上面に乗る左右の平坦部と，この平坦部
の両端から下方外向きに傾斜して延びる傾斜部と，この
傾斜部の下端でデッキプレートの前記１対のカギ部にそ
れぞれ弾性的に嵌合する内向きの嵌合部とを持つ少なく
とも２個以上の互いに平行な脚部と， 前記の各脚部中央の凸部間に渡され固定された支承バー
とからなることを特徴とする配筋用スペーサ。1. A composite slab is formed by placing concrete on a deck plate having a cross-sectional shape having a pair of symmetrically bent inward portions at intermediate height positions of the hypotenuses on both sides of the mountain portion. A reinforcing bar spacer to be used when constructing, which is formed by bending a wire rod, a central convex portion, left and right flat portions on the upper surface of the mountain portion of the deck plate, and both ends of the flat portion. At least two or more mutually having an inclined portion extending downwardly and outwardly and an inward fitting portion elastically fitted to the pair of key portions of the deck plate at the lower end of the inclined portion. A bar arrangement spacer comprising parallel legs and a support bar fixed between the protrusions at the center of each leg.
対のカギ部が形成される鳩尾状部を持つ断面形状のデッ
キプレート上にコンクリートを打設して合成スラブを構
築する際に使用する配筋用スペーサであって， 線材を屈曲して形成した，中央の凸部と，この凸部の下
端から内側にそれぞれ延び，デッキプレートの谷部に乗
る平坦部と，この平坦部の先端部分であって，前記１対
のカギ部にそれぞれ弾性的に嵌合する嵌合部とを持つ少
なくとも２個以上の互いに平行な脚部と， 前記の各脚部中央の凸部間に渡され固定された支承バー
とからなることを特徴とする配筋用スペーサ。2. A bend 1 symmetrically inward at the center of the valley
A reinforcing bar spacer used when constructing a composite slab by placing concrete on a deck plate with a cross-section that has a dovetail-shaped part where a pair of key parts is formed. It is formed by bending a wire rod. , The central convex portion, the flat portion that extends inward from the lower end of the convex portion and rides on the valley portion of the deck plate, and the tip portion of the flat portion that is elastically elastic to each of the pair of key portions. A bar arrangement comprising at least two or more parallel leg portions having a fitting portion to be fitted and a bearing bar fixed between the convex portions at the center of each leg portion. Spacer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62115615A JPH0654053B2 (en) | 1987-05-12 | 1987-05-12 | Spacer spacer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62115615A JPH0654053B2 (en) | 1987-05-12 | 1987-05-12 | Spacer spacer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63280104A JPS63280104A (en) | 1988-11-17 |
| JPH0654053B2 true JPH0654053B2 (en) | 1994-07-20 |
Family
ID=14667037
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62115615A Expired - Lifetime JPH0654053B2 (en) | 1987-05-12 | 1987-05-12 | Spacer spacer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0654053B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0616957U (en) * | 1992-08-12 | 1994-03-04 | ノーリツ鋼機株式会社 | Undeveloped photo film and curl straightener for the film |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7011965B2 (en) * | 2017-03-31 | 2022-01-27 | 日鉄建材株式会社 | Hardware and support structure |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4453349A (en) | 1981-02-20 | 1984-06-12 | Cyclops Corporation | Floor and roof deck |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1361487A (en) * | 1963-04-06 | 1964-05-22 | prefabricated roofing element | |
| US4141191A (en) * | 1977-05-31 | 1979-02-27 | Monier Colourtile Pty. Ltd. | Tile clip |
| JPS5913513U (en) * | 1982-07-03 | 1984-01-27 | 丸井産業株式会社 | Wire-mesh support with legs to prevent side shake |
-
1987
- 1987-05-12 JP JP62115615A patent/JPH0654053B2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4453349A (en) | 1981-02-20 | 1984-06-12 | Cyclops Corporation | Floor and roof deck |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0616957U (en) * | 1992-08-12 | 1994-03-04 | ノーリツ鋼機株式会社 | Undeveloped photo film and curl straightener for the film |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63280104A (en) | 1988-11-17 |
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