JPS6389764A - Joint construction method of main reinforcing bar of pillar made of precast concrete - Google Patents
Joint construction method of main reinforcing bar of pillar made of precast concreteInfo
- Publication number
- JPS6389764A JPS6389764A JP23280986A JP23280986A JPS6389764A JP S6389764 A JPS6389764 A JP S6389764A JP 23280986 A JP23280986 A JP 23280986A JP 23280986 A JP23280986 A JP 23280986A JP S6389764 A JPS6389764 A JP S6389764A
- Authority
- JP
- Japan
- Prior art keywords
- hardware
- main
- main reinforcement
- precast concrete
- reinforcing bar
- 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
- 230000003014 reinforcing effect Effects 0.000 title claims description 20
- 239000011178 precast concrete Substances 0.000 title claims description 10
- 238000010276 construction Methods 0.000 title description 4
- 230000002787 reinforcement Effects 0.000 claims description 29
- 239000004570 mortar (masonry) Substances 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 4
- 239000004567 concrete Substances 0.000 claims description 3
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 238000002788 crimping Methods 0.000 description 4
- 238000005304 joining Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- SEPPVOUBHWNCAW-FNORWQNLSA-N (E)-4-oxonon-2-enal Chemical compound CCCCCC(=O)\C=C\C=O SEPPVOUBHWNCAW-FNORWQNLSA-N 0.000 description 1
- LLBZPESJRQGYMB-UHFFFAOYSA-N 4-one Natural products O1C(C(=O)CC)CC(C)C11C2(C)CCC(C3(C)C(C(C)(CO)C(OC4C(C(O)C(O)C(COC5C(C(O)C(O)CO5)OC5C(C(OC6C(C(O)C(O)C(CO)O6)O)C(O)C(CO)O5)OC5C(C(O)C(O)C(C)O5)O)O4)O)CC3)CC3)=C3C2(C)CC1 LLBZPESJRQGYMB-UHFFFAOYSA-N 0.000 description 1
- XTKDAFGWCDAMPY-UHFFFAOYSA-N azaperone Chemical compound C1=CC(F)=CC=C1C(=O)CCCN1CCN(C=2N=CC=CC=2)CC1 XTKDAFGWCDAMPY-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
Landscapes
- Joining Of Building Structures In Genera (AREA)
- Reinforcement Elements For Buildings (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明はプレキャストコンクリート製柱の内部で主筋
の継手を行う、プレキャストコンクリート製柱の主筋の
継手方法に関するものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to a method for joining main reinforcements of precast concrete columns, in which the main reinforcements are joined inside the precast concrete columns.
プレキャストコンクリート製柱より躯体を構築する方法
において、柱内に埋設される主筋相互の継手には通常ス
リーブジヨイントが利用されるが、この継手部は応力が
大きく作用する箇所であるため引張耐力の大きい継手と
することが望ましい。In the method of constructing a frame from precast concrete columns, sleeve joints are usually used to connect the main reinforcements buried in the columns, but this joint is a place where large stress acts, so the tensile strength is low. A large joint is desirable.
そこで出願人は実願昭６１−０９１６９６号においてス
リーブジヨイントとねじ形継子とを複合させることによ
って耐力を高める継手金物を提案している。しかしなが
らねじ形継子とした場合、ねじ部にねじ鉄筋の径に対応
しためねじを形成する必要があり、そのために使用され
るねし鉄筋は継手金物によって一義的に決定されるとい
う不都合がある。Therefore, the applicant proposed in Utility Model Application No. 61-091696 a joint hardware that increases the strength by combining a sleeve joint and a threaded joint. However, when using a threaded joint, it is necessary to form an internal thread in the threaded portion corresponding to the diameter of the threaded reinforcing bar, and there is a disadvantage that the threaded reinforcing bar used for this purpose is uniquely determined by the joint hardware.
この発明は上述の継手金物の不都合を解消する目的から
なされたもので、一方の主筋を金物に圧着して継ぐこと
によりこれを解決しようとするものである。This invention was made with the aim of solving the above-mentioned inconveniences of joint metal fittings, and attempts to solve this problem by crimping and joining one of the main reinforcements to the metal fittings.
Ｃ問題点を解決するための手段〕
本発明では一方の主筋の挿入部分の継手金物を圧縮して
主筋と金物とを継ぐことにより上記不都合を解消し、連
結される鉄筋の種類、形状、径の大小を問わない継手を
可能とする。Means for Solving Problem C] In the present invention, the above-mentioned inconvenience is solved by compressing the joint hardware at the inserted part of one main reinforcement to connect the main reinforcement and the hardware, and the type, shape, and diameter of the reinforcing bars to be connected are This allows for joints of any size.
継手金物はスリーブ状のもので、他方の主筋をスリーブ
ジヨイントにより継ぐためのモルタル注入口及びモルタ
ル排出口が設けられる。The joint hardware is sleeve-shaped, and is provided with a mortar inlet and a mortar outlet for joining the other main reinforcement with a sleeve joint.
この継手金物に一方の異形鉄筋である主筋の端部を挿入
し、その挿入部分の金物を外周側から圧縮して主筋を金
物の一方の端部に圧着させる。そして一体化した一方の
主筋及び金物をコンクリートに埋設してプレキャストコ
ンクリート製柱を形成した後、もう一方の連結される主
筋を金物に挿入し、金物内にモルタルを充填して相互の
主筋を連結する。The end of the main reinforcing bar, which is one of the deformed reinforcing bars, is inserted into this joint hardware, and the inserted part of the main reinforcing bar is compressed from the outer circumferential side, so that the main reinforcing bar is crimped to one end of the hardware. Then, after burying one integrated main reinforcement and hardware in concrete to form a precast concrete column, the other main reinforcement to be connected is inserted into the hardware, and mortar is filled in the hardware to connect the main reinforcements. do.
この継手部は主筋の引張力に対して一方の異形鉄筋と金
物の密着化による力の伝達と、他方のモルタルによる摩
擦力によって抵抗する構造となる。This joint part has a structure that resists the tensile force of the main reinforcement by force transmission due to the close contact between the deformed reinforcing bars and metal fittings on one side, and the frictional force due to the mortar on the other side.
以下本発明を一実施例を示す図面に基づいて説明する。 The present invention will be explained below based on the drawings showing one embodiment.
この発明はスリーブ状の継手金物１ （以下金物１）を
用いてプレキャストコンクリート製柱２ （以下ｐｃ柱
２）内の主筋２ａ。This invention uses a sleeve-shaped joint hardware 1 (hereinafter referred to as hardware 1) to construct a main reinforcement 2a in a precast concrete column 2 (hereinafter referred to as PC column 2).
２ｂを相互に連結する方法である。2b to each other.
連結される主筋２ａ、２ｂはいずれも異形鉄筋であり、
そのうち一方２ａが圧着式、もしくはスクイズ式に、他
方２ｂがモルタル３によりスリーブ式にそれぞれ金物１
に接続される。The main bars 2a and 2b to be connected are both deformed reinforcing bars,
One of them 2a is a crimp type or a squeeze type, and the other 2b is a sleeve type with mortar 3.
connected to.
金物１のスリーブ式に接続される主筋２ｂの挿入部分に
は両端にモルタル注入口１ａ及びモルタル排出口１ｂが
設けられている。A mortar injection port 1a and a mortar discharge port 1b are provided at both ends of the insertion portion of the main reinforcing bar 2b that is connected in a sleeve manner to the hardware 1.
施工手順を、主筋２ａを圧着式に接続する方法を示した
第１図により説明する。The construction procedure will be explained with reference to FIG. 1, which shows a method of connecting the main reinforcing bars 2a in a crimping manner.
まず金物１の一方の端部に主筋２ａを挿入しく■）、主
筋２ａ挿入部分の金物１を外周側から加圧変形させ、主
筋２ａに密着させる（ＩＩ）。First, the main reinforcing bars 2a are inserted into one end of the hardware 1 (■), and the part of the hardware 1 where the main reinforcing bars 2a are inserted is pressurized and deformed from the outer circumferential side to bring it into close contact with the main reinforcing bars 2a (II).
この主筋２ａと金物１が一体化した状態で両者をコンク
リート中に埋設してＰＣＣ２０形成する（ＩＩＩ、第５
図）。This main reinforcing bar 2a and hardware 1 are integrated and buried in concrete to form a PCC 20 (III, 5th
figure).
続いてこのＰＣＣ２０下方のＰＣＣ柱上上設置してその
上面から突出する主筋２ｂを金物１に挿入させ、モルタ
ル注入口１ａから金物１内にモルタル３を注入して主筋
２ａ、２ｂを相互に連結する（ＩＶ）。Next, this PCC 20 is installed on the lower PCC column, and the main reinforcement 2b protruding from its upper surface is inserted into the hardware 1, and the mortar 3 is injected into the hardware 1 from the mortar injection port 1a to interconnect the main reinforcements 2a and 2b. (IV).
第２図は主筋２ａを金物１にスクイズ式に接続する場合
の実施例を示したものである。FIG. 2 shows an embodiment in which the main reinforcement 2a is connected to the hardware 1 in a squeeze manner.
この場合主筋２ａを金物１に挿入しく１）、その主筋２
３挿入部分をダイス等により主筋２ａ側から金物１側へ
絞り加工し、主筋２ａと金物ｌを一体化する（ＩＩ）。In this case, the main reinforcement 2a is inserted into the hardware 11), and the main reinforcement 2a is inserted into the hardware 1.
3. The inserted portion is drawn from the main reinforcement 2a side to the hardware 1 side using a die or the like to integrate the main reinforcement 2a and the hardware 1 (II).
一体化後の工程は第１図の実施例と全く同じである。The steps after integration are exactly the same as the embodiment shown in FIG.
第３図、第４図はそれぞれ第１図、第２図の実施例にお
いて金物１の主筋２ａ挿入部分、すなわち圧着部分を本
体と分離しておく場合の実施例を示したものである。FIGS. 3 and 4 show an embodiment in which the insertion portion of the main reinforcement 2a of the hardware 1, that is, the crimping portion, is separated from the main body in the embodiments shown in FIGS. 1 and 2, respectively.
この場合金物１本体の先端部分と、分離される部分、カ
プラー４とは図示するように一体化の便宜より一部重ね
られる。In this case, the tip portion of the main body of the hardware 1, the separated portion, and the coupler 4 are partially overlapped for convenience of integration, as shown in the figure.
施工はいずれも主筋２ａを金物１に挿入した後（Ｉ）
、カプラー４を圧縮して王者を一体化しくＩＴ） 、Ｐ
ＣＣ２０形成、主筋２ｂの接続という要領で行われる。All construction is done after inserting the main reinforcement 2a into the hardware 1 (I)
, Compress coupler 4 to integrate the champion IT), P
This is performed by forming the CC 20 and connecting the main reinforcement 2b.
この発明は以上の通りであり、一方の主筋を金物に圧着
するだけで継手を行うものであるため連結される鉄筋の
種類等を選ばず、比較的任意の形状、径の異形鉄筋に対
応可能である。This invention is as described above, and since the joint is made by simply crimping one main bar to the hardware, it is possible to handle odd-shaped reinforcing bars of relatively arbitrary shapes and diameters, regardless of the type of reinforcing bars to be connected. It is.
特に第１図、第２図の実施例では圧着部分が金物の一部
であるため主筋を差し込んで圧縮するだけでよく、施工
性が良好である。In particular, in the embodiments shown in FIGS. 1 and 2, since the crimped portion is a part of the hardware, it is only necessary to insert the main reinforcing bars and compress them, resulting in good workability.
第１図、第２図共本発明の実例例による施工手順を示し
た断面図、第３図、第４図は他の実施例を示した断面図
、第５図はＰＣ柱の製作例を示した断面図である。
１−−−−−−−一継手金物、１ ａ−−−−−−・モ
ルタル注入口、１ｂ−・−モルタル排出口、２−−−−
−−−プレキャストコンクリート製柱、２ａ、 ２ｂ
−−−−−・−主筋、３−−−−−−−モルタル、４−
−−−−−一・カプラー。
第 ２ 図
Ｉ １
１ ｎ
図
第３図
第４図
Ｉ ＨFigures 1 and 2 are both sectional views showing the construction procedure according to an example of the present invention, Figures 3 and 4 are sectional views showing other embodiments, and Figure 5 is an example of manufacturing a PC column. FIG. 1--------One joint hardware, 1 a-----Mortar inlet, 1b--Mortar outlet, 2-----
---Precast concrete columns, 2a, 2b
-------・-Main reinforcement, 3--------Mortar, 4-
−−−−−One coupler. Figure 2 I 1 1 n Figure 3 Figure 4 I H
Claims (1)
の継手金物の一端に挿入するとと もに、主筋挿入部分の継手金物を外周側か ら圧縮して主筋を継手金物に圧着させ、一 体化した主筋及び継手金物をコンクリート に埋設してプレキャストコンクリート製柱 を形成した後、他方の連結されるプレキャ ストコンクリート製柱から突出した柱主筋 を柱内の継手金物の他端に挿入し、続いて 継手金物内にモルタルを充填するという工 程からなるプレキャストコンクリート製柱 の主筋の継手工法。(1) Insert one end of the column main reinforcement, which is a deformed reinforcing bar, into one end of the sleeve-shaped joint hardware, and compress the joint hardware at the insertion part of the main reinforcement from the outer periphery to crimp the main reinforcement to the joint hardware and integrate. After burying the main reinforcement and joint hardware in concrete to form a precast concrete column, insert the column main reinforcement protruding from the other precast concrete column to be connected into the other end of the joint hardware in the column, and then bury the joint hardware in the column. A method for connecting the main reinforcement of precast concrete columns, which consists of filling mortar inside the metal fittings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23280986A JPS6389764A (en) | 1986-09-30 | 1986-09-30 | Joint construction method of main reinforcing bar of pillar made of precast concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP23280986A JPS6389764A (en) | 1986-09-30 | 1986-09-30 | Joint construction method of main reinforcing bar of pillar made of precast concrete |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6389764A true JPS6389764A (en) | 1988-04-20 |
Family
ID=16945104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP23280986A Pending JPS6389764A (en) | 1986-09-30 | 1986-09-30 | Joint construction method of main reinforcing bar of pillar made of precast concrete |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6389764A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008063730A (en) * | 2006-09-04 | 2008-03-21 | Godo Steel Ltd | Half sleeve for reinforcing bar joint, joint using the half sleeve, and precast reinforced concrete molding |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51140326A (en) * | 1975-05-30 | 1976-12-03 | Obayashi Gumi Kk | Connection method of special form reinforcement |
| JPS5629455U (en) * | 1979-08-15 | 1981-03-20 | ||
| JPS5951912B2 (en) * | 1979-03-26 | 1984-12-17 | 鐘淵化学工業株式会社 | Continuous manufacturing method and device for laminate |
-
1986
- 1986-09-30 JP JP23280986A patent/JPS6389764A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51140326A (en) * | 1975-05-30 | 1976-12-03 | Obayashi Gumi Kk | Connection method of special form reinforcement |
| JPS5951912B2 (en) * | 1979-03-26 | 1984-12-17 | 鐘淵化学工業株式会社 | Continuous manufacturing method and device for laminate |
| JPS5629455U (en) * | 1979-08-15 | 1981-03-20 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008063730A (en) * | 2006-09-04 | 2008-03-21 | Godo Steel Ltd | Half sleeve for reinforcing bar joint, joint using the half sleeve, and precast reinforced concrete molding |
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