JP2912739B2 - Precast concrete flat plate joining method - Google Patents
Precast concrete flat plate joining methodInfo
- Publication number
- JP2912739B2 JP2912739B2 JP23075491A JP23075491A JP2912739B2 JP 2912739 B2 JP2912739 B2 JP 2912739B2 JP 23075491 A JP23075491 A JP 23075491A JP 23075491 A JP23075491 A JP 23075491A JP 2912739 B2 JP2912739 B2 JP 2912739B2
- Authority
- JP
- Japan
- Prior art keywords
- joint
- flat plate
- sleeve
- horizontal reinforcing
- 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 - Fee Related
Links
Landscapes
- Panels For Use In Building Construction (AREA)
- Reinforcement Elements For Buildings (AREA)
- Joining Of Building Structures In Genera (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明はプレキャストコンクリー
ト平板部材の接合方法に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for joining precast concrete flat plate members.
【０００２】[0002]
【従来の技術】従来実施されている壁部材、床部材等の
プレキャストコンクリート平板部材（以下ＰＣ平板部材
と記す）の接合方法を図４により説明する。2. Description of the Related Art A conventional method for joining a precast concrete flat plate member (hereinafter, referred to as a PC flat plate member) such as a wall member or a floor member will be described with reference to FIG.
【０００３】接合しようとする一双のＰＣ平板部材１−
Ａおよび１−Ｂの向い合った接合端面２−Ａおよび２−
Ｂからは該部材水平鉄筋３−Ａおよび３−Ｂの端部が水
平方向に突き出て露出している。この部材水平鉄筋は接
合端面長手方向（図の矢印方向）に沿って多数存在し、
それぞれ相手方部材の水平鉄筋と対応関係にあって対を
なしている。一双のＰＣ平板部材を接合位置に建て入れ
たとき、この対応関係にある部材水平鉄筋露出部は若干
の距離を隔てて水平方向に突合せ状に向い合う。この双
方にまたがって当て筋１０を当てがいこれに各露出端部
を溶接して部材間水平鉄筋を接合する。その後、向い合
った部材間接合端面２−Ａおよび２−Ｂの間の空間であ
る接合空間内にコンクリートを打設し、ここに一双のＰ
Ｃ平板部材の接合が完成する。なお、図における矢印は
壁部材の場合は鉛直方向、床部材の場合は水平方向を示
す。A pair of PC flat plate members 1 to be joined
A and 1-B, facing joint end faces 2-A and 2-
From B, the ends of the member horizontal reinforcing bars 3-A and 3-B protrude in the horizontal direction and are exposed. This member horizontal reinforcing bar exists in large numbers along the longitudinal direction of the joint end face (the direction of the arrow in the figure),
Each pair has a corresponding relationship with the horizontal reinforcing bar of the counterpart member. When one pair of PC flat members are erected at the joint position, the corresponding member horizontal reinforcing bar exposed portions face each other in a horizontal direction with a slight distance therebetween. The strut 10 is applied to both sides, and each exposed end is welded to the strut 10 to join the inter-member horizontal reinforcing bar. After that, concrete is poured into the joint space, which is the space between the joint end faces 2-A and 2-B facing each other, and a pair of P
The joining of the C flat plate member is completed. The arrow in the figure indicates a vertical direction for a wall member and a horizontal direction for a floor member.
【０００４】[0004]
【発明が解決しようとする課題】上述の従来の接合方法
においては対応する部材水平鉄筋どうしの接合を溶接に
よっておこなっているが、建築現場においては火気の使
用をできるだけ避ける傾向にあり、非溶接方式の鉄筋接
合方法によってＰＣ平板部材の接合ができることが希求
されている。In the above-described conventional joining method, the joining of the corresponding horizontal reinforcing bars is performed by welding. However, in a construction site, the use of fire tends to be avoided as much as possible. It is desired that the flat plate member can be joined by the reinforcing bar joining method described above.
【０００５】ＰＣ平板部材の建て入れは部材を所定位置
まで上方から降下させて行われるから、その際露出端部
どうしが衝突しないようにその末端間に若干の距離が存
するよう設計される。よって、非溶接方式の鉄筋接合方
法であっても鉄筋が水平方向に重なり合った状態を前提
とする鉄筋接合方法は適用できない。また、両端に開口
を有する筒であるスリーブの中に挿入された鉄筋端部を
該スリーブ内のモルタル硬化により該スリーブ内に定着
することによって鉄筋を接合するモルタルスリーブ方式
は、建て入れのときに水平方向のスリーブ内に鉄筋を挿
入せねばならず建て入れ作業が困難であるほか、スリー
ブが水平であるのでスリーブ内にモルタルを充填する作
業も困難である。なお、突合せ状に向い合った水平鉄筋
端部どうしをネジ継手により接合する手段は、部材建て
入れ精度上両鉄筋端部がネジ継手により接合できるほど
の精度で向い合わないので適用できない。Since the insertion of the PC flat member is performed by lowering the member from above to a predetermined position, the PC flat member is designed so that there is a slight distance between the ends so that the exposed ends do not collide with each other. Therefore, even in the case of the non-welding type rebar joining method, the rebar joining method on the premise that the rebars overlap in the horizontal direction cannot be applied. In addition, the mortar sleeve method of joining the rebar by fixing the end of the rebar inserted into the sleeve which is a cylinder having openings at both ends by mortar hardening in the sleeve to join the rebar at the time of installation Rebar must be inserted into the horizontal sleeve, which makes the installation work difficult. In addition, since the sleeve is horizontal, the work of filling the sleeve with mortar is also difficult. The means for joining the ends of the horizontal reinforcing bars facing in a butt shape with a screw joint is not applicable because the ends of the two reinforcing bars do not face each other with such accuracy that the ends of the reinforcing bars can be joined by a screw joint.
【０００６】本発明は、かかる現況に鑑み現場において
簡易迅速に実施できる非溶接方式によるＰＣ平板部材の
接合方法を提供しようとしてなされたものである。SUMMARY OF THE INVENTION The present invention has been made in view of the above situation, and has been made to provide a method for joining PC flat plate members by a non-welding method which can be easily and quickly carried out on site.
【０００７】[0007]
【課題を解決するための手段】本発明のＰＣ平板部材の
接合方法を図１により説明する。接合しようとする一双
のＰＣ平板部材１−Ａおよび１−Ｂの接合端面２−Ａお
よび２−Ｂからは該部材水平鉄筋３−Ａおよび３−Ｂの
端部が水平方向に突き出て露出しており、該露出端部の
先端部は水平鉄筋の軸線に対してほぼ直角方向に折り曲
げられて折り曲げ部４−Ａおよび４−Ｂが形成されてい
る。この一双のＰＣ部材をその接合端面２−Ａおよび２
−Ｂが向い合うように建て入れて、対応する一対の水平
鉄筋の上記折り曲げ部４−Ａおよび４−Ｂを合掌状に近
接させる。この折り曲げ部合掌体を両端に開口を有する
楕円筒であるスリーブ５（図では点線で示す）内に収容
し、該スリーブ側壁に設けられた楔孔から楔を上記合掌
体の合せ目間隙に圧入することによって該合掌体をスリ
ーブ内に定着し、もって上記対応する一対の部材水平鉄
筋どうしを接合する。その後、上記向い合った接合端面
間の接合空間内にコンクリートを打設して一双のＰＣ平
板部材の接合が完成する。なお、図において矢印は平板
部材が壁部材の場合は鉛直方向、床部材の場合は水平方
向である。The method of joining PC flat plate members according to the present invention will be described with reference to FIG. From the joining end faces 2-A and 2-B of the pair of PC flat plate members 1-A and 1-B to be joined, the ends of the horizontal reinforcing bars 3-A and 3-B protrude in the horizontal direction and are exposed. The end of the exposed end is bent substantially perpendicularly to the axis of the horizontal reinforcing bar to form bent portions 4-A and 4-B. The two PC members are connected to their joint end faces 2-A and 2-A.
-B are placed so as to face each other, and the bent portions 4-A and 4-B of the corresponding pair of horizontal reinforcing bars are brought close to each other in a palm shape. This folded part is accommodated in a sleeve 5 (shown by a dotted line in the figure) which is an elliptic cylinder having openings at both ends, and a wedge is press-fitted into a joint gap of the above-mentioned jointed body through a wedge hole provided in a side wall of the sleeve. By doing so, the joint body is fixed in the sleeve, and the corresponding pair of horizontal reinforcing bars are joined together. Thereafter, concrete is poured into the joint space between the opposed joint end faces to complete the joint of the two PC flat plate members. In the drawing, the arrows indicate the vertical direction when the flat plate member is a wall member and the horizontal direction when the flat plate member is a floor member.
【０００８】図１において点線で示したスリーブを図２
に示す。スリーブ５は両端に開口を有する断面が楕円形
の楕円筒であって、その側壁は並立する平壁６−Ａおよ
び６−Ｂと同じく並立する曲壁７−Ａおよび７−Ｂとよ
りなっている。平壁には楔孔８が設けられており、この
楔孔は両平壁の対応する位置に向い合って対をなして設
けられている。図３に示すように、このスリーブ内に収
容された一双の折り曲げ部４−Ａ、４−Ｂの合掌体の合
せ目に楔９を楔孔から圧入して各折り曲げ部をそれぞれ
対向する曲壁に圧着する。これにより合掌体はスリーブ
内に定着される。The sleeve shown by the dotted line in FIG.
Shown in The sleeve 5 is an elliptical cylinder having an opening at both ends and having an elliptical cross section, and its side wall is composed of flat walls 6-A and 6-B, and curved walls 7-A and 7-B, which are also parallel. I have. A wedge hole 8 is provided in the flat wall, and the wedge holes are provided in pairs facing the corresponding positions of the flat walls. As shown in FIG. 3, a wedge 9 is press-fitted from the wedge hole at the joint of the pair of bent portions 4-A and 4-B accommodated in the sleeve, and each bent portion faces the curved wall. Crimp to As a result, the palm is fixed in the sleeve.
【０００９】スリーブにより定着された合掌体はすベて
接合空間内に納まって打設コンクリート内に埋設されて
いなければならない。折り曲げ部の折り曲げ方向はこれ
を勘案して定められる。The joint body fixed by the sleeve must be entirely contained in the joint space and buried in the cast concrete. The bending direction of the bent portion is determined in consideration of this.
【００１０】[0010]
【発明の効果】本発明のＰＣ平板部材の接合方法は従来
の接合方法にくらべ以下に述べる利点がある。 （ａ）部材間水平鉄筋の接合が非溶接方式でなされるの
で建設現場において歓迎される。 （ｂ）部材間水平鉄筋の接合が簡易かつ迅速に実施でき
る。さらに、その接合部の機械的強度が大きく、信頼性
に富む。 （ｃ）水平鉄筋露出部を折り曲げた分部材接合端面間の
距離が短くなるので打設コンクリート量がその分少なく
て済む経済的利点もある。 以上述べたように、本発明により従来のＰＣ平板部材の
接合方法における問題点がすべて解決された。The method of joining PC flat members according to the present invention has the following advantages over the conventional joining method. (A) Since the joining of the horizontal reinforcing bars between members is performed by a non-welding method, they are welcomed at the construction site. (B) Joining of horizontal reinforcing bars between members can be performed easily and quickly. Furthermore, the mechanical strength of the joint is large, and the reliability is high. (C) The distance between the joining end faces of the member is shortened by bending the exposed portion of the horizontal reinforcing bar, so that there is also an economic advantage that the amount of cast concrete can be reduced accordingly. As described above, the present invention has solved all the problems in the conventional method of joining PC flat plate members.
【図１】本発明のＰＣ平板部材の接合方法を示す図であ
る。FIG. 1 is a view showing a method for joining PC flat plate members of the present invention.
【図２】本発明に使用される楕円筒形スリーブの斜視図
である。FIG. 2 is a perspective view of an elliptical cylindrical sleeve used in the present invention.
【図３】合掌体のスリーブ内定着状況を示す縦断面図で
ある。FIG. 3 is a vertical cross-sectional view showing a fixing state of a joint body in a sleeve.
【図４】従来のＰＣ平板部材の接合方法を示す図であ
る。FIG. 4 is a view showing a conventional method of joining PC flat plate members.
１−Ａ，１−Ｂ ＰＣ平板部材 ２−Ａ，２−Ｂ 接合端面 ３−Ａ，３−Ｂ 部材水平鉄筋 ４−Ａ，４−Ｂ 折り曲げ部 ５ スリーブ ６−Ａ，６−Ｂ 平壁 ７−Ａ，７−Ｂ 曲壁 ８ 楔孔 ９ 楔 １０ 当て筋 1-A, 1-B PC flat plate member 2-A, 2-B Joining end surface 3-A, 3-B Member horizontal reinforcing bar 4-A, 4-B Bending portion 5 Sleeve 6-A, 6-B Flat wall 7 -A, 7-B Curved wall 8 Wedge hole 9 Wedge 10 Patch
Claims (1)
材の接合端面から水平方向に突き出て露出している該部
材水平鉄筋端部の先端部が該部材水平鉄筋軸線に対して
ほぼ直角方向に折り曲げられており、（ロ）この平板部
材の一双を互いの接合端面が向い合うように建て入れ
て、対応する一対の部材水平鉄筋の上記折り曲げ部を合
掌状に近接させ、（ハ）この折り曲げ部合掌体を両端に
開口を有する楕円筒であるスリーブ内に収容し、該スリ
ーブの側壁に設けられた楔孔から楔を上記合掌体の合せ
目間隙に圧入することによって該合掌体をスリーブ内に
定着し、もって上記対応する一対の部材水平鉄筋どうし
を接合し、（ニ）その後、上記向い合った接合端面間の
接合空間内にコンクリートを打設すことを特徴とするプ
レキャストコンクリート平板部材の接合方法(1) A tip end of a horizontal reinforcing bar end portion of a precast concrete flat plate member which projects horizontally from a joint end surface and is exposed is bent in a direction substantially perpendicular to an axis of the horizontal reinforcing bar member. (B) One pair of the flat plate members are erected so that their joint end faces face each other, and the bent portions of the pair of corresponding members horizontal reinforcing bars are brought close to each other in a palm-shape manner. Is housed in a sleeve which is an elliptic cylinder having openings at both ends, and a wedge is press-fitted into a joint gap of the above-described joint body through a wedge hole provided in a side wall of the sleeve to fix the joint body into the sleeve. A pair of corresponding horizontal reinforcing bars, and (d) thereafter, casting concrete in a joint space between the opposed joint end faces. G Plate joining method
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23075491A JP2912739B2 (en) | 1991-06-06 | 1991-06-06 | Precast concrete flat plate joining method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23075491A JP2912739B2 (en) | 1991-06-06 | 1991-06-06 | Precast concrete flat plate joining method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05209442A JPH05209442A (en) | 1993-08-20 |
| JP2912739B2 true JP2912739B2 (en) | 1999-06-28 |
Family
ID=16912756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23075491A Expired - Fee Related JP2912739B2 (en) | 1991-06-06 | 1991-06-06 | Precast concrete flat plate joining method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2912739B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012052415A (en) * | 2011-12-14 | 2012-03-15 | Taisei Corp | Joining structure of precast members |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010203161A (en) * | 2009-03-04 | 2010-09-16 | Kyoei Steel Ltd | Reinforcement joint structure, and column-beam joint structure with reinforcement joint |
| CN111255136B (en) * | 2020-03-18 | 2024-10-08 | 无锡磊砼工程技术有限公司 | Ribbed prestressed laminated slab |
-
1991
- 1991-06-06 JP JP23075491A patent/JP2912739B2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012052415A (en) * | 2011-12-14 | 2012-03-15 | Taisei Corp | Joining structure of precast members |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH05209442A (en) | 1993-08-20 |
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