JPH0518414Y2 - - Google Patents

Info

Publication number
JPH0518414Y2
JPH0518414Y2 JP1984195398U JP19539884U JPH0518414Y2 JP H0518414 Y2 JPH0518414 Y2 JP H0518414Y2 JP 1984195398 U JP1984195398 U JP 1984195398U JP 19539884 U JP19539884 U JP 19539884U JP H0518414 Y2 JPH0518414 Y2 JP H0518414Y2
Authority
JP
Japan
Prior art keywords
reinforcing bar
sleeve joint
precast concrete
concrete beam
face
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
Application number
JP1984195398U
Other languages
Japanese (ja)
Other versions
JPS61110711U (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1984195398U priority Critical patent/JPH0518414Y2/ja
Publication of JPS61110711U publication Critical patent/JPS61110711U/ja
Application granted granted Critical
Publication of JPH0518414Y2 publication Critical patent/JPH0518414Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Joining Of Building Structures In Genera (AREA)
  • Rod-Shaped Construction Members (AREA)
  • Reinforcement Elements For Buildings (AREA)

Description

【考案の詳細な説明】 (産業上の利用分野) 本考案はプレキヤストコンクリート梁に係るも
のである。
[Detailed description of the invention] (Field of industrial application) The present invention relates to a precast concrete beam.

(従来の技術) 第5図の曲げモーメント分布図に示すように、
ラーメン構造体(柱梁の軸組構造)に地震力の如
き水平力Qが作用すると、大梁に大きな曲げモー
メントが生じる。そして曲げモーメントが一番大
きな大梁端部にイールドヒンジ(部材降伏点)が
生じる。
(Prior art) As shown in the bending moment distribution diagram in Figure 5,
When a horizontal force Q such as an earthquake force acts on a rigid frame structure (column-beam frame structure), a large bending moment is generated in the girder. A yield hinge (yield point of the member) occurs at the end of the beam where the bending moment is greatest.

而して従来のプレキヤストコンクリート梁にお
いては、同梁に埋設された主鉄筋端部に装着され
るスリーブジヨイントが、曲げモーメントが一番
大きい材端部に配置されている。
In conventional precast concrete beams, the sleeve joint, which is attached to the end of the main reinforcing bar buried in the beam, is placed at the end of the material where the bending moment is greatest.

(考案が解決しようとする問題点) この場合、前記スリーブジヨイントを内蔵する
プレキヤストコンクリート梁は、同スリーブジヨ
イントが剛強なため、コンクリートの脱落を促
し、そのため健全なイールドヒンジを形成するこ
とができない。
(Problem to be solved by the invention) In this case, in the precast concrete beam incorporating the sleeve joint, since the sleeve joint is strong, it is possible to encourage concrete to fall off, thereby forming a healthy yield hinge. I can't.

(問題点を解決するための手段) 本考案はこのような問題点を解決するために提
案されたもので、コンクリート梁本体内における
同本体端面より内央部側に離隔した位置におい
て、同本体に埋設された梁主鉄筋の端部にスリー
ブジヨイントを取付け、同スリーブジヨイントと
前記本体端面との間に鉄筋挿通孔を配設してなる
ことを特徴とするプレキヤストコンクリート梁に
係るものである。
(Means for solving the problem) The present invention has been proposed to solve such problems, and relates to a precast concrete beam characterized in that a sleeve joint is attached to the end of the main beam rebar embedded in the concrete beam body at a position separated from the end face of the body toward the center of the interior, and a rebar insertion hole is arranged between the sleeve joint and the end face of the body.

(作用) 本考案に係るプレキヤストコンクリート梁にお
いては、同梁に埋設された主鉄筋端部に装着され
る剛強なスリーブジヨイントが、従来のように水
平外力が作用したとき曲げモーメントが一番大き
い材端部に配設されることなく、コンクリート本
体端面より内央側に離隔した位置に配設されてい
るので、前記従来の梁におけるようにコンクリー
トの脱落を促すようなことがなく、健全なイール
ドヒンジが形成される。従つて前記スリーブジヨ
イントと本体端面との間に穿設された鉄筋挿通孔
に接合すべき他のプレキヤストコンクリート部材
の鉄筋突出端部を挿入してモルタルを填装して前
記各部材を接合するとき、前記他のプレキヤスト
コンクリート部材の鉄筋挿入端部の変形が許容さ
れ、ひいては本考案のプレキヤストコンクリート
梁を使用した構造体の変形が許容される。
(Function) In the precast concrete beam according to the present invention, the rigid sleeve joint attached to the end of the main reinforcing bar buried in the beam has the highest bending moment when a horizontal external force acts as in the conventional case. It is not installed at the end of a large beam, but rather at a distance from the end face of the concrete body to the center, so it does not encourage the concrete to fall off like in the conventional beams, and it maintains a healthy structure. A yield hinge is formed. Therefore, the protruding ends of the reinforcing bars of other precast concrete members to be joined are inserted into the reinforcing bar insertion holes drilled between the sleeve joint and the end face of the main body, and mortar is loaded to join the members. In this case, deformation of the reinforcing bar insertion end of the other precast concrete member is allowed, which in turn allows deformation of the structure using the precast concrete beam of the present invention.

(実施例) 以下本考案を図示の実施例について説明する。(Example) The present invention will be described below with reference to the illustrated embodiments.

1はコンクリート梁本体、2は同梁本体1に埋
設された梁主鉄筋で、同鉄筋2の端部には前記本
体1の端面より内央部側に離隔した位置で、スリ
ーブジヨイント3が装着され、同スリーブジヨイ
ント3から前記本体1の端面まで鉄筋挿通孔4が
設けられている。なお同挿通孔4の長さLは30mm
乃至1000mmが適当である。図中5はフープ筋であ
る。
1 is a concrete beam body, 2 is a beam main reinforcing bar buried in the beam body 1, and a sleeve joint 3 is provided at the end of the reinforcing bar 2 at a position away from the end face of the main body 1 toward the inner center. A reinforcing bar insertion hole 4 is provided from the sleeve joint 3 to the end surface of the main body 1. The length L of the insertion hole 4 is 30mm.
1000mm to 1000mm is appropriate. 5 in the figure is a hoop muscle.

なお第1図及び第2図は梁主鉄筋2の両端部に
スリーブジヨイント3が装着された場合を示し、
第3図及び第4図は梁主鉄筋2の一端部にスリー
ブジヨイントが装着された場合を示す。
Note that Figures 1 and 2 show the case where sleeve joints 3 are attached to both ends of the beam main reinforcing bars 2,
3 and 4 show a case where a sleeve joint is attached to one end of the beam main reinforcing bar 2. FIG.

前記プレキヤストコンクリート梁の他のプレキ
ヤストコンクリート部材を接合する場合、同部材
の鉄筋の突出端部を前記本体1の鉄筋挿通孔4に
挿通して、無収縮強高度モルタルを注入充填する
ものである。
When joining other precast concrete members of the precast concrete beam, the protruding ends of the reinforcing bars of the same member are inserted into the reinforcing bar insertion holes 4 of the main body 1, and non-shrinking high-strength mortar is injected and filled. be.

従つて前記部材の鉄筋は、その突出端部におけ
る前記プレキヤストコンクリート梁の鉄筋挿通孔
4に挿入された部分で変形が許容され、延いては
前記プレキヤストコンクリート梁を使用した構造
物の変形が許容される。
Therefore, the reinforcing bars of the member are allowed to deform at the protruding end portion inserted into the reinforcing bar insertion hole 4 of the precast concrete beam, and as a result, the structure using the precast concrete beam is deformed. Permissible.

(考案の効果) 本考案によれば前記したように、コンクリート
梁本体における水平外力が作用したとき曲げモー
メントが一番大きい同本体端面より内央側に離隔
した位置において、同本体に埋設された梁主鉄筋
の端部にスリーブジヨイントを取付けることによ
つて、同スリーブジヨイントをイールドヒンジが
形成される位置から外して健全なイールドヒンジ
が形成されるようにし、前記プレキヤストコンク
リート梁に接合された他のプレキヤストコンクリ
ート部材の鉄筋突出端部が、前記プレキヤストコ
ンクリート梁のスリーブジヨイントと同梁本体端
面との間に配設された鉄筋挿通孔内において変形
が許容され、ひいては前記プレキヤストコンクリ
ート梁を使用した構造物の変形が許容されるよう
にしうるものである。
(Effect of the invention) According to the invention, as mentioned above, the concrete beam is buried in the concrete beam body at a position spaced inward from the end face of the concrete beam body where the bending moment is greatest when a horizontal external force acts on the body. By attaching a sleeve joint to the end of the beam main reinforcing bar, the sleeve joint is removed from the position where the yield hinge is formed, so that a healthy yield hinge is formed, and it is connected to the precast concrete beam. The reinforcing bar protruding end of the other precast concrete member is allowed to deform within the reinforcing bar insertion hole provided between the sleeve joint of the precast concrete beam and the end face of the beam body, and as a result, the reinforcing bar protruding end of the other precast concrete member This allows deformation of structures using cast concrete beams to be tolerated.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図及び第3図は夫々本考案に係るプレキヤ
ストコンクリート梁の各実施例を示す縦断面図、
第2図及び第4図は夫々第1図の矢視−図並
に第3図の矢視−図、第5図はラーメン構造
体に水平力が作用したときの曲げモーメント分布
図である。 1……プレキヤストコンクリート梁本体、2…
…梁主鉄筋、3……スリーブジヨイント、4……
鉄筋挿通孔。
1 and 3 are longitudinal sectional views showing respective embodiments of the precast concrete beam according to the present invention,
2 and 4 are a view taken along the arrow in FIG. 1 and a view taken along the arrow in FIG. 3, respectively, and FIG. 5 is a bending moment distribution diagram when a horizontal force is applied to the rigid frame structure. 1... Precast concrete beam body, 2...
...Beam main reinforcing bar, 3...Sleeve joint, 4...
Rebar insertion hole.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] コンクリート梁本体内における同本体端面より
内央部側に離隔した位置において、同本体に埋設
された梁主鉄筋の端部にスリーブジヨイントを取
付け、同スリーブジヨイントと前記本体端面との
間に鉄筋挿通孔を配設してなることを特徴とする
プレキヤストコンクリート梁。
A sleeve joint is attached to the end of the beam main reinforcing bar buried in the concrete beam body at a position away from the end face of the concrete beam body toward the inner part, and a sleeve joint is installed between the sleeve joint and the end face of the main body. A precast concrete beam characterized by having reinforcing bar insertion holes.
JP1984195398U 1984-12-25 1984-12-25 Expired - Lifetime JPH0518414Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1984195398U JPH0518414Y2 (en) 1984-12-25 1984-12-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1984195398U JPH0518414Y2 (en) 1984-12-25 1984-12-25

Publications (2)

Publication Number Publication Date
JPS61110711U JPS61110711U (en) 1986-07-14
JPH0518414Y2 true JPH0518414Y2 (en) 1993-05-17

Family

ID=30752943

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1984195398U Expired - Lifetime JPH0518414Y2 (en) 1984-12-25 1984-12-25

Country Status (1)

Country Link
JP (1) JPH0518414Y2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4781687B2 (en) * 2005-02-15 2011-09-28 三井住友建設株式会社 Method of joining beam-column joint structure of building and beam-column joint structure of building

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS552503A (en) * 1978-05-17 1980-01-10 Ckd Corp Selective collecting apparatus

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50124107U (en) * 1974-03-27 1975-10-11

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS552503A (en) * 1978-05-17 1980-01-10 Ckd Corp Selective collecting apparatus

Also Published As

Publication number Publication date
JPS61110711U (en) 1986-07-14

Similar Documents

Publication Publication Date Title
JPH0518414Y2 (en)
JP2545626Y2 (en) PC beam
JP2758205B2 (en) Method of joining column or wall to precast beam
JPH0433300Y2 (en)
JP2903873B2 (en) Beam joint structure of centrifugally formed hollow PC column
JPH0715922Y2 (en) Joining hardware for reinforced concrete columns and steel beams
JPH02221535A (en) Connecting structure for pillar and beam
JP2890983B2 (en) Beam connection structure of PC column
JP2928941B2 (en) Beam-column connection structure
JP2893406B2 (en) Precast concrete beam-column joining method
JPS5920492Y2 (en) PC version strength fixing structure
JPS5924724Y2 (en) Joint structure of precast members
JPS6347201Y2 (en)
JP3430326B2 (en) Column and beam joint structure
JPH0518981B2 (en)
JPH017761Y2 (en)
JPS60238057A (en) Method for fixing anchor plate to steel bar
JPH0634970Y2 (en) Joining members for building frames
KR20020028561A (en) Headed Reinforcement of Preacst Beam-Column Joint
JPH0442418Y2 (en)
JPS62120603U (en)
JPH01190844A (en) Structure for joining reinforced concrete column with steel girder
JPH09177090A (en) Foundation structure for steel column base
JPS6286241A (en) Connection of pillar and beam
JPS60253636A (en) Building structure