JP2003268875A - Method for connecting precast concrete columns and precast concrete beams to each other, and the columns - Google Patents
Method for connecting precast concrete columns and precast concrete beams to each other, and the columnsInfo
- Publication number
- JP2003268875A JP2003268875A JP2002071139A JP2002071139A JP2003268875A JP 2003268875 A JP2003268875 A JP 2003268875A JP 2002071139 A JP2002071139 A JP 2002071139A JP 2002071139 A JP2002071139 A JP 2002071139A JP 2003268875 A JP2003268875 A JP 2003268875A
- Authority
- JP
- Japan
- Prior art keywords
- precast concrete
- pillar
- lower floor
- floor pillar
- pca
- 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.)
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- Joining Of Building Structures In Genera (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明はプレキャストコンク
リート製の柱と梁との接続方法及びその柱に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for connecting precast concrete columns and beams and the columns.
【０００２】[0002]
【従来の技術】従来、プレキャストコンクリート製の柱
と梁との接続方法として、例えば図７に示すように、プ
レキャストコンクリート（以下ＰＣａという）製の下階
柱１０１の上部側面にジョイント金具１０２を介して連
結筋１０３を突設し、接続端部にＵ溝状の空間部１０４
を形成するとともに該空間部１０４に連結筋１０５を配
筋した半ＰＣａ製の梁１０６を前記下階柱１０１の上部
側面に図７に示すように配置し、前記両連結筋１０３，
１０５を結束した後に、前記空間部１０４に現場打ちコ
ンクリートを打設し、その後にＰＣａ製の上階柱１０７
を下階柱１０１上に載置するようにした工法がある。こ
れを第１の従来の技術とする。2. Description of the Related Art Conventionally, as a method for connecting columns and beams made of precast concrete, as shown in FIG. 7, for example, a joint metal fitting 102 is provided on the upper side surface of a lower floor column 101 made of precast concrete (hereinafter referred to as PCa). And connecting ribs 103 are projected to form a U-groove-shaped space 104 at the connecting end.
And a beam 106 made of semi-PCa in which the connecting bar 105 is arranged in the space 104 is arranged on the upper side surface of the lower floor pillar 101 as shown in FIG.
After bundling 105, the cast-in-place concrete is poured into the space 104, and then the upper floor pillar 107 made of PCa is formed.
There is a construction method in which is mounted on the lower floor pillar 101. This is the first conventional technique.
【０００３】また、図８に示すように、ＰＣａ製の下階
柱２０１の上端面２０２の隅部にＰＣａ製の梁２０３の
端部を掛け置きし、その後、前記下階柱２０１の上端面
２０２とＰＣａ製の梁２０３の端面２０４で形成される
空間部２０５に現場打ちコンクリートを打設し、該コン
クリートの硬化を待って該コンクリート上にＰＣａ製の
上階柱２０６を載置するようにした方法も知られてい
る。図中、２０７は上側主筋、２０７´は下側主筋を示
し、２０８は上側主筋２０７の接合を示す。これを第２
の従来の技術とする。Further, as shown in FIG. 8, an end portion of a beam 203 made of PCa is hung on a corner of an upper end surface 202 of a lower floor pillar 201 made of PCa, and then an upper end surface of the lower pillar 201 is made. 202 and the end surface 204 of the beam 203 made of PCa are cast into the space 205 formed in-situ, wait for the concrete to harden, and place the upper floor pillar 206 made of PCa on the concrete. The method of doing is also known. In the figure, 207 indicates the upper main bar, 207 'indicates the lower main bar, and 208 indicates the joining of the upper main bar 207. This is the second
Conventional technology of.
【０００４】[0004]
【発明が解決しようとする課題】前記第１の従来の技術
においては、多数の特殊なジョイント金具１０２を必要
とすることから、施工コストが嵩む上に、下階梁１０６
の側面から連結筋１０３が突出していることから、梁１
０６を下階柱１０１の側面に沿って下方から上方へ持ち
上げる必要があるとともに、狭い空間部で配筋、結束す
る必要があり、施工性に難がある。In the first prior art, since a large number of special joint fittings 102 are required, the construction cost is increased and the lower girder 106 is used.
Since the connecting bar 103 projects from the side surface of the beam 1,
It is necessary to lift 06 from the lower side to the upper side along the side surface of the lower floor pillar 101, and it is necessary to arrange and bind the bars in a narrow space portion, which makes workability difficult.
【０００５】また、前記第２の従来の技術においては、
上階柱２０６の載置、すなわち、上階の建方が、前記空
間部２０５に打設された現場打ちコンクリートの硬化後
でないと行えないため、工期の短縮化に難点がある。Further, in the second conventional technique,
Since the placement of the upper floor pillar 206, that is, the way of erection of the upper floor, cannot be performed until the cast-in-place concrete cast in the space 205 is cured, there is a problem in shortening the construction period.
【０００６】そこで本発明は前記の課題を解決するプレ
キャストコンクリート製の柱と梁の接続方法及びその柱
を提供することを目的とするものである。[0006] Therefore, an object of the present invention is to provide a method for connecting a column and a beam made of precast concrete and a column for solving the above problem.
【０００７】[0007]
【課題を解決するための手段】前記の課題を解決するた
めに、請求項１記載の第１の発明は、プレキャストコン
クリート製の下階柱の上部に、プレキャストコンクリー
ト製の梁の接続端から突出させた主筋を挿通させるため
の上方が開口した切欠部を、その下階柱の軸線と直交す
る方向へ貫通して設け、該切欠部以外の部分に上方へ突
出した突部を形成し、前記梁を、その主筋が前記下階柱
の切欠部に挿通するように下階柱に配置し、その後、前
記突部の上面にプレキャストコンクリート製の上階柱を
載置し、その後、前記切欠部内にコンクリートを打設す
ることを特徴とするプレキャストコンクリート製の柱と
梁との接続方法である。In order to solve the above-mentioned problems, a first invention according to claim 1 is to project from a connecting end of a beam made of precast concrete to the upper part of a lower floor pillar made of precast concrete. A notched portion having an upper opening for inserting the main bar, which is opened, is provided so as to penetrate in a direction orthogonal to the axis of the lower floor pillar, and a protrusion protruding upward is formed in a portion other than the notched portion, The beam is arranged in the lower floor pillar so that the main bar of the beam is inserted into the notch portion of the lower floor pillar, and then the upper floor pillar made of precast concrete is placed on the upper surface of the protrusion, and then in the notch portion. It is a method of connecting columns and beams made of precast concrete, which is characterized in that concrete is poured into the concrete.
【０００８】請求項２記載の第２の発明は、前記第１の
発明の接続方法に用いる柱であって、プレキャストコン
クリート製の下階柱の上部に、プレキャストコンクリー
ト製の梁の接続端から突出させた主筋を挿通させるため
の上方が開口した切欠部を、その下階柱の軸線と直交す
る方向へ貫通して設け、該切欠部以外の部分に上方へ突
出した突部を形成したことを特徴とするプレキャストコ
ンクリート製柱である。A second aspect of the present invention is a pillar used in the connecting method according to the first aspect of the present invention, wherein the pillar is projected from the connecting end of the beam made of precast concrete to the upper part of the lower floor pillar made of precast concrete. A notched portion having an upper opening for inserting the main reinforcement is provided so as to penetrate in a direction orthogonal to the axis of the lower floor, and a protrusion protruding upward is formed in a portion other than the notched portion. It is a characteristic precast concrete pillar.
【０００９】請求項３記載の第３の発明は、プレキャス
トコンクリート製の下階柱の上面端部に、プレキャスト
コンクリート製の梁を、その接続端から突出させた主筋
が下階柱の上部に挿通するようにして配置し、その後、
前記梁の主筋が挿通する下部に位置して柱の軸線と直交
する方向に貫通し、かつ、下方が開口する切欠部と、該
切欠部以外の部分において下方へ突出する突起を形成し
たプレキャストコンクリート製の上階柱を、その突起の
下面が前記下階柱の上面に載置されるようにして配置
し、その後、前記切欠部にコンクリートを打設すること
を特徴とするプレキャストコンクリート製の柱と梁との
接続方法である。According to a third aspect of the present invention, a precast concrete beam is inserted into an upper end portion of a lower cast post made of precast concrete, and a main bar projecting from a connecting end of the beam is inserted into an upper portion of the lower cast post. And then place it, then
Precast concrete that is formed in the lower portion through which the main bar of the beam is inserted, penetrates in a direction orthogonal to the axis of the column, and has a notched portion that opens downward and a protrusion that protrudes downward in a portion other than the notched portion Made of precast concrete, characterized in that the lower floor of the pillar is arranged so that the lower surface of the projection is placed on the upper surface of the lower floor pillar, and then concrete is placed in the notch. And the method of connecting the beam.
【００１０】請求項４記載の第４の発明は、前記第３の
発明の接続方法に用いる柱であって、プレキャストコン
クリート製の上階柱の下部に、プレキャストコンクリー
ト製の梁の接続端から突出させた主筋を挿通するための
切欠部を、その柱の軸線と直交する方向に貫通し、か
つ、下方を開口して設け、該切欠部以外の部分に下方へ
突出する突起を形成したことを特徴とするプレキャスト
コンクリート製柱である。A fourth aspect of the present invention is a pillar used in the connecting method according to the third aspect of the present invention, wherein the pillar is projected from a connecting end of a beam made of precast concrete to a lower portion of an upper floor pillar made of precast concrete. The cutout for inserting the main bar that has been made penetrates in the direction orthogonal to the axis of the column and is provided with an opening at the bottom, and a projection protruding downward is formed at a portion other than the cutout. It is a characteristic precast concrete pillar.
【００１１】[0011]
【発明の実施の形態】本発明の好ましい実施の形態を図
１乃至図６に基づいて説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT A preferred embodiment of the present invention will be described with reference to FIGS.
【００１２】図１乃至図３は１本の柱の四方に梁を接続
するものにおける第１実施例である。1 to 3 show a first embodiment in which beams are connected to four sides of one pillar.
【００１３】図１は柱と梁の接続状態を示す側断面図、
図２は図１における上階柱を除いた平面図、図３は下階
柱の平面図である。FIG. 1 is a side sectional view showing a connection state of columns and beams,
2 is a plan view excluding the upper floor pillar in FIG. 1, and FIG. 3 is a plan view of the lower floor pillar.
【００１４】下階柱１の上部には、該下階柱１の主体部
２の外径Ｌ１より小径Ｌ２の突部３が、柱の軸芯部にお
いて主体部２と一体に上方へ突設されている。すなわ
ち、該突部３の四方には主体部２の外面から内側へ切り
欠いた切欠部４が、下階柱１の軸芯と直行する方向に貫
通して形成され、該切欠部４の下端には、主体部２の上
面からなる受面５が形成され、上方は開口されている。
更に、前記突部３の上方への突出量Ｌ３は、後述する半
ＰＣａ梁６の背丈と該半ＰＣａ梁６上に打設されるスラ
ブ１０の厚み分の総計の長さに設定されている。そし
て、前記主体部２と突部３とからなる下階柱１はＰＣａ
製である。A projecting portion 3 having a diameter L2 smaller than the outer diameter L1 of the main body portion 2 of the lower floor pillar 1 is provided on the upper portion of the lower floor pillar 1 so as to integrally project with the main body portion 2 at the axial center of the pillar. Has been done. That is, notches 4 that are notched from the outer surface of the main body 2 to the inside are formed on all four sides of the protrusion 3 so as to penetrate in a direction orthogonal to the axis of the lower floor 1 and the lower end of the notches 4 is formed. A receiving surface 5 formed of the upper surface of the main body 2 is formed on the upper surface of the main body 2, and the upper surface is open.
Further, the upward protrusion amount L3 of the protrusion 3 is set to the total length corresponding to the height of the half-PCa beam 6 and the thickness of the slab 10 cast on the half-PCa beam 6, which will be described later. . Then, the lower floor pillar 1 composed of the main body 2 and the protrusion 3 is made of PCa.
It is made.
【００１５】６はＰＣａ梁で、その下端主筋７が図２に
示すように接続端６ａから突出している。なお、前記Ｐ
Ｃａ梁６は、その上辺部が未完の半ＰＣａ梁を使用して
いる。８は梁の上端主筋を示す。Reference numeral 6 is a PCa beam, and a lower end main bar 7 thereof projects from the connecting end 6a as shown in FIG. The P
The Ca beam 6 is a semi-PCa beam whose upper side is incomplete. Reference numeral 8 indicates the upper main bar of the beam.
【００１６】９はＰＣａ製の上階柱であり、その下面は
平面に形成されている。Reference numeral 9 denotes an upper floor pillar made of PCa, the lower surface of which is formed into a flat surface.
【００１７】次に施工方法について説明する。Next, the construction method will be described.
【００１８】先ず、下階柱２を建込み、次で四方に配置
される各半ＰＣａ梁６を下階柱１の上方から降ろしてき
て、その接続端６ａ側における下端面を下階柱２におけ
る受面５の縁部に掛け置きする。このとき、それぞれの
半ＰＣａ梁６の下端主筋７，７を図２に示すように切欠
部４内に挿入配置する。そして、対向する半ＰＣａ梁
６，６の下端主筋７，７相互を結束筋によって重ね継ぎ
する。First, the lower floor pillar 2 is built, and then the half PCa beams 6 arranged on all four sides are lowered from above the lower floor pillar 1, and the lower end surface on the side of the connecting end 6a thereof is lowered. It hangs on the edge of the receiving surface 5 in. At this time, the lower end main bars 7 and 7 of each half PCa beam 6 are inserted and arranged in the notch 4 as shown in FIG. Then, the lower end main bars 7, 7 of the facing half PCa beams 6, 6 are spliced together by a binding bar.
【００１９】次に、前記半ＰＣａ梁６上に上端主筋８を
配筋し、これらを結束筋で結束する。Next, the upper end main bars 8 are arranged on the half PCa beams 6, and these are tied with a binding bar.
【００２０】その後、ＰＣａの上階柱９を前記下階柱１
における突部３の上面に載置して建込む。Thereafter, the upper floor pillar 9 of PCa is connected to the lower floor pillar 1
It mounts on the upper surface of the protrusion part 3 in, and builds.
【００２１】そして、図１の矢印Ａに示す空隙部から現
場打ちコンクリートを切欠部４内に流し込むとともに図
１に示すスラブ上面１０ａまでコンクリートを打設し、
スラブ１０を成形する。このコンクリートの硬化によ
り、下階柱２、梁６、上階柱９、スラブ１０が一体化さ
れる。Then, the cast-in-place concrete is poured into the notch 4 from the void indicated by the arrow A in FIG. 1, and the concrete is poured up to the slab upper surface 10a shown in FIG.
The slab 10 is molded. By hardening this concrete, the lower floor pillar 2, the beam 6, the upper floor pillar 9, and the slab 10 are integrated.
【００２２】以上の柱と梁の接続方法によれば、対向す
る半ＰＣａ梁６，６の下端主筋７，７相互及び上端主筋
８，８相互の連結は、前記従来のような多数の特殊なジ
ョイント金具を使用することなく、一般に行われている
重ね継手で良いため、前記ジョイント金具を使用するも
のに比べて、安価な施工になる上に、半ＰＣａ梁６を下
階柱１の上方から下降する作業で行えるため、従来のよ
うに梁を持ち上げる工法に比べて作業が容易に行える。According to the above-described method of connecting the pillar and the beam, the connection between the lower main bars 7, 7 and the upper main bars 8, 8 of the half PCa beams 6, 6 facing each other is connected by a large number of special cases as in the prior art. Since lap joints that are commonly used without using joint fittings are sufficient, the construction is cheaper than that using the joint fittings, and the half PCa beam 6 is installed from above the lower floor pillar 1 from above. Since the work can be performed by descending, the work can be performed more easily than the conventional method of lifting the beam.
【００２３】更に、前記切欠部４内に打設する現場打ち
コンクリートが硬化する以前にＰＣａ製の上階柱９を建
て込むことでき、上階の建方が早期に行える。Further, the upper floor pillar 9 made of PCa can be built before the cast-in-place concrete to be cast in the notch 4 is hardened, and the upper floor can be built early.
【００２４】図４（ａ）〜（ｇ）はＰＣａ製の下階柱の
他の例（第２〜第８実施例）を示す。4 (a) to 4 (g) show other examples (second to eighth embodiments) of the lower floor pillar made of PCa.
【００２５】図４（ａ）はＰＣａ製の下階柱の第２実施
例で、前記のＰＣａ製の下階柱１における突部３の平面
形状を主体部２の外形に対して菱形にした突部３Ａと
し、その周囲に前記と同様の切欠部４を形成したもので
ある。その他の構造及び施工方法は前記第１実施例と同
様である。FIG. 4 (a) shows a second embodiment of the lower floor pillar made of PCa, in which the planar shape of the projection 3 in the lower floor pillar 1 made of PCa is rhombic with respect to the outer shape of the main body 2. The protrusion 3A is formed, and the notch 4 similar to the above is formed around the protrusion 3A. Other structures and construction methods are the same as those in the first embodiment.
【００２６】図４（ｂ）はＰＣａ製の下階柱の第３実施
例で、前記第１実施例におけるＰＣａ製の下階柱１の主
体部２の上部に、その四隅に位置して、前記第１実施例
と同様な突部３Ｂを上方へ突設したものである。そし
て、この四隅の突部３Ｂ以外の部分には切欠部４が形成
され、該切欠部４に前記第１実施例と同様の半ＰＣａ梁
６を掛け置きして前記第１実施例と同様に施工するよう
にしたものである。FIG. 4 (b) shows a third embodiment of a lower floor pillar made of PCa, which is located at the four corners of the main body 2 of the lower floor pillar 1 made of PCa in the first embodiment. A protrusion 3B similar to that of the first embodiment is provided so as to protrude upward. Then, notches 4 are formed in the portions other than the protrusions 3B at the four corners, and half PCa beams 6 similar to those in the first embodiment are hung and placed on the notches 4 as in the first embodiment. It was constructed.
【００２７】図４（ｃ）はＰＣａ製の下階柱の第４実施
例で、前記第３実施例の突部３Ｂを、その平面形状をＬ
字型に形成した突部３Ｃとしたものである。FIG. 4 (c) is a fourth embodiment of a lower floor pillar made of PCa. The projection 3B of the third embodiment has a plane shape L.
The projection 3C is formed in a V shape.
【００２８】図４（ｄ）はＰＣａ製の下階柱の第５実施
例で、前記第３実施例の突部３Ｂを、その平面形状が三
角形の突部３Ｄとしたものである。FIG. 4D shows a fifth embodiment of a lower floor pillar made of PCa, in which the projection 3B of the third embodiment is a projection 3D having a triangular planar shape.
【００２９】この図４（ｃ）の突部３Ｃ以外の部分、図
４（ｄ）の突部３Ｄ以外の部分で前記の切欠部４と同様
の切欠部４を形成しており、これらの下階柱においても
前記第１実施例と同様に施工するものである。A cutout portion 4 similar to the cutout portion 4 is formed in a portion other than the protrusion 3C of FIG. 4C and a portion other than the protrusion 3D of FIG. 4D. The pillars are also constructed in the same manner as in the first embodiment.
【００３０】図４（ｅ）乃至図４（ｇ）は横断面形状が
十字形の柱を使用する場合の例である。FIGS. 4 (e) to 4 (g) show an example in which a cross-shaped column is used.
【００３１】図４（ｅ）は、ＰＣａ製の下階柱１におけ
る四方へ突出した部分２ａの上面に、前記第１実施例の
突部３と同様の突部３Ｅを、その両側に前記の切欠部４
と同様の切欠部４を有して上方へ突設したものである。In FIG. 4 (e), projections 3E similar to the projections 3 of the first embodiment are provided on the upper surface of the four-sided projection 2a of the lower floor pillar 1 made of PCa, and the projections 3E are provided on both sides thereof. Notch 4
It has a notch 4 similar to the above and is provided so as to project upward.
【００３２】図４（ｆ）は、ＰＣａ製の下階柱１におけ
る四方へ突出した部分２ａの上面に、この四方へ突出し
た部分２ａの外縁に沿って前記の突部３と同様な突部３
Ｆを、その内側に前記の切欠部４と同様の切欠部４を十
字状に設けて形成したものである。FIG. 4 (f) shows a protrusion similar to the protrusion 3 on the upper surface of the four-protruding portion 2a of the lower floor post 1 made of PCa along the outer edge of the four-protruding portion 2a. Three
F is formed by forming a notch 4 similar to the above notch 4 in a cross shape on the inside thereof.
【００３３】図４（ｇ）は、ＰＣａ製の下階柱１におけ
る四方へ突出した部分２ａの上面に、四方へ突出した部
分２ａの先端両側に前記図４（ｂ）と同様な突部３Ｇを
上方へ突設して、該突部３Ｇ以外の部分において前記と
同様な切欠部４を形成したものである。FIG. 4 (g) is the same as FIG. 4 (b) on the upper surface of the four-sided protruding portion 2a of the lower floor pillar 1 made of PCa and on both sides of the tip of the four-sided protruding portion 2a. Is formed so as to project upward, and a cutout 4 similar to the above is formed in a portion other than the projection 3G.
【００３４】この図４（ｅ）〜（ｇ）に示すＰＣａ製の
下階柱１においても前記第１実施例と同様に施工する。The PCa lower floor 1 shown in FIGS. 4 (e) to 4 (g) is also constructed in the same manner as in the first embodiment.
【００３５】前記図４（ａ）〜（ｇ）に示すＰＣａ製の
下階柱１を使用することにより、前記第１実施例と同様
の作用、効果を発揮することができる。By using the lower floor pillar 1 made of PCa shown in FIGS. 4 (a) to 4 (g), the same action and effect as those of the first embodiment can be exhibited.
【００３６】なお、前記の各ＰＣａ製の下階柱１を、前
記の各突部３，３Ａ〜３Ｇのない下階柱とし、前記の突
部３，３Ａ〜３Ｇを前記ＰＣａ製の上階柱９の下面に、
下方へ突出させて設けてもよい。すなわち、図５の第９
実施例に示すように、ＰＣａ製の下階柱１の上面を平面
とし、ＰＣａ製の上階柱９の下部に、ＰＣａ製の梁６の
接続端から突出させた下端主筋７を挿通するための切欠
部４を、その柱９の軸線と直交する方向に貫通し、か
つ、下方を開口して設け、該切欠部４以外の部分に下方
へ突出する突起３を形成してもよい。The lower floor pillar 1 made of PCa is a lower floor pillar without the projections 3, 3A to 3G, and the projections 3, 3A to 3G are upper floors made of PCa. On the bottom surface of the pillar 9,
It may be provided so as to project downward. That is, the ninth in FIG.
As shown in the embodiment, in order to insert the lower end main bar 7 protruding from the connecting end of the beam 6 made of PCa into the lower part of the upper floor pillar 9 made of PCa, the upper surface of the lower floor pillar 1 made of PCa is made flat. The notch 4 may be provided so as to penetrate in the direction orthogonal to the axis of the column 9 and open downward, and the protrusion 3 protruding downward may be formed at a portion other than the notch 4.
【００３７】この第９実施例においても、前記第１実施
例と同様の施工により、前記と同様の効果を発揮するこ
とができる。Also in the ninth embodiment, the same effect as above can be exhibited by the same construction as in the first embodiment.
【００３８】また、前記各実施例では、ＰＣａ製の梁６
の接続端側を切欠部４の下面で支承するようにしたが、
図６の第１０実施例に示すように、下階柱１の側面に支
承部１１を突設して、該支承部１１上に梁６を載置する
ようにしてもよい。In each of the above embodiments, the beam 6 made of PCa is used.
Although the connection end side of is supported by the lower surface of the notch 4,
As shown in the tenth embodiment of FIG. 6, the supporting portion 11 may be provided so as to project from the side surface of the lower floor pillar 1, and the beam 6 may be placed on the supporting portion 11.
【００３９】また、前記各実施例は、下階柱１の四方に
梁を配設する場合の例であるが、一方向の両側にのみ梁
を柱に接続する場合にも本発明を適用できるものであ
る。In each of the above embodiments, the beams are arranged on the four sides of the lower floor pillar 1, but the present invention can be applied to the case where the beams are connected to the columns only on both sides in one direction. It is a thing.
【００４０】[0040]
【発明の効果】以上のようであるから、本発明によれ
ば、ＰＣａ製の柱にＰＣａ製の梁を接続する場合におい
て、その梁の主筋相互を、従来のような特殊なジョイン
ト金具を使用することなく通常の重ね継手で行えるた
め、前記のジョイント金具を使用するものに比べて施工
コストの低減を図ることができる。As described above, according to the present invention, when connecting a beam made of PCa to a column made of PCa, the main bars of the beam are connected to each other by using a special joint fitting as in the prior art. Since it can be performed with a normal lap joint without doing so, the construction cost can be reduced as compared with the case where the joint fitting is used.
【００４１】更に、ＰＣａ製の梁を上方から下降する作
業でＰＣａ製の柱に接続できるため、前記従来のよう
に、ＰＣａ製の梁を下方から上動して接続する作業に比
べて作業が容易になる。Furthermore, since the beam made of PCa can be connected to the column made of PCa by the work of descending from above, the work is more difficult than the work of connecting the beam made of PCa from below as above. It will be easier.
【００４２】更に、ＰＣａ製の柱の上部に打設される現
場打ちコンクリートの硬化を待つことなく上階柱の建方
が行え、従来のようにコンクリートの硬化を待つものに
比べて工期の短縮化が可能になる。Furthermore, the upper floor pillar can be constructed without waiting for the hardening of the cast-in-place concrete cast on the upper part of the PCa pillar, and the construction period is shortened compared to the conventional method of waiting for the hardening of concrete. Becomes possible.
【図１】本発明の第１実施例を示す側断面図。FIG. 1 is a side sectional view showing a first embodiment of the present invention.
【図２】図１において、上階柱を除いた平面図。FIG. 2 is a plan view of FIG. 1 excluding an upper floor pillar.
【図３】図１の下階柱の平面図。FIG. 3 is a plan view of the lower floor pillar of FIG.
【図４】（ａ）〜（ｇ）は下階柱の第２〜第８実施例を
示す平面図。4A to 4G are plan views showing second to eighth embodiments of the lower floor pillar.
【図５】本発明の第９実施例を示す側断面図。FIG. 5 is a sectional side view showing a ninth embodiment of the present invention.
【図６】本発明の第１０実施例を示す側断面図。FIG. 6 is a side sectional view showing a tenth embodiment of the present invention.
【図７】第１の従来技術を示す側断面図。FIG. 7 is a side sectional view showing a first conventional technique.
【図８】第２の従来技術を示す側断面図。FIG. 8 is a side sectional view showing a second conventional technique.
１ 下階柱 ３，３Ａ〜３Ｇ 突部 ４ 切欠部 ６ 梁 ６ａ 接続端 ７，８ 主筋 ９ 上階柱 1 Lower floor pillar 3,3A-3G protrusion 4 notches 6 beams 6a Connection end 7,8 main lines 9 Upper floor pillar
Claims (4)
上部に、プレキャストコンクリート製の梁の接続端から
突出させた主筋を挿通させるための上方が開口した切欠
部を、その下階柱の軸線と直交する方向へ貫通して設
け、該切欠部以外の部分に上方へ突出した突部を形成
し、前記梁を、その主筋が前記下階柱の切欠部に挿通す
るように下階柱に配置し、その後、前記突部の上面にプ
レキャストコンクリート製の上階柱を載置し、その後、
前記切欠部内にコンクリートを打設することを特徴とす
るプレキャストコンクリート製の柱と梁との接続方法。1. A notched portion having an opening at the top for inserting a main bar projecting from a connecting end of a beam made of precast concrete is orthogonal to an axis line of the lower story column at an upper portion of the lower story column made of precast concrete. Is provided in the lower floor pillar so that a protrusion protruding upward is formed in a portion other than the cutout portion, and the main bar of the beam is inserted into the cutout portion of the lower floor pillar. , Then, put the upper floor pillar made of precast concrete on the upper surface of the protrusion, and then,
A method for connecting a column and a beam made of precast concrete, characterized in that concrete is placed in the notch.
上部に、プレキャストコンクリート製の梁の接続端から
突出させた主筋を挿通させるための上方が開口した切欠
部を、その下階柱の軸線と直交する方向へ貫通して設
け、該切欠部以外の部分に上方へ突出した突部を形成し
たことを特徴とするプレキャストコンクリート製柱。2. A notched portion having an opening at the top for inserting a main bar projecting from a connection end of a beam made of precast concrete is formed at an upper portion of the lower story column made of precast concrete and is orthogonal to the axis line of the lower story column. A column made of precast concrete, characterized in that it is provided so as to penetrate therethrough in the direction of, and a protrusion protruding upward is formed in a portion other than the cutout portion.
上面端部に、プレキャストコンクリート製の梁を、その
接続端から突出させた主筋が下階柱の上部に挿通するよ
うにして配置し、その後、前記梁の主筋が挿通する下部
に位置して柱の軸線と直交する方向に貫通し、かつ、下
方が開口する切欠部と、該切欠部以外の部分において下
方へ突出する突起を形成したプレキャストコンクリート
製の上階柱を、その突起の下面が前記下階柱の上面に載
置されるようにして配置し、その後、前記切欠部にコン
クリートを打設することを特徴とするプレキャストコン
クリート製の柱と梁との接続方法。3. A beam made of precast concrete is arranged at an upper end portion of a lower floor pillar made of precast concrete so that a main bar protruding from its connecting end is inserted into an upper portion of the lower floor pillar, and thereafter, Precast concrete that is formed in the lower portion through which the main bar of the beam is inserted, penetrates in a direction orthogonal to the axis of the column, and has a notched portion that opens downward and a protrusion that protrudes downward in a portion other than the notched portion Made of precast concrete, characterized in that the lower floor of the pillar is arranged so that the lower surface of the projection is placed on the upper surface of the lower floor pillar, and then concrete is placed in the notch. And beam connection method.
下部に、プレキャストコンクリート製の梁の接続端から
突出させた主筋を挿通するための切欠部を、その柱の軸
線と直交する方向に貫通し、かつ、下方を開口して設
け、該切欠部以外の部分に下方へ突出する突起を形成し
たことを特徴とするプレキャストコンクリート製柱。4. A notch for inserting a main bar protruding from a connection end of a beam made of precast concrete is passed through a lower part of an upper floor pillar made of precast concrete in a direction orthogonal to an axis of the column, Further, a precast concrete pillar, which is provided so as to open downward and has a protrusion protruding downward in a portion other than the cutout portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002071139A JP2003268875A (en) | 2002-03-15 | 2002-03-15 | Method for connecting precast concrete columns and precast concrete beams to each other, and the columns |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002071139A JP2003268875A (en) | 2002-03-15 | 2002-03-15 | Method for connecting precast concrete columns and precast concrete beams to each other, and the columns |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JP2003268875A true JP2003268875A (en) | 2003-09-25 |
Family
ID=29201494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2002071139A Pending JP2003268875A (en) | 2002-03-15 | 2002-03-15 | Method for connecting precast concrete columns and precast concrete beams to each other, and the columns |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2003268875A (en) |
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2002
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| CN105951984A (en) * | 2016-05-24 | 2016-09-21 | 东南大学 | High-ductility assembled integral type frame exterior joint connection structure and construction method thereof |
| CN106013432A (en) * | 2016-05-24 | 2016-10-12 | 东南大学 | Joint connecting structure in high-ductility assembled integrated frame and construction method |
| CN106013432B (en) * | 2016-05-24 | 2019-05-17 | 东南大学 | A kind of high ductility prefabricated integral frame interior joint connection structure and construction method |
| CN105926771A (en) * | 2016-06-17 | 2016-09-07 | 中国十七冶集团有限公司 | Middle joint connecting structure of assembled integral frame column-beam and construction method of middle joint connecting structure |
| CN110258783A (en) * | 2019-07-02 | 2019-09-20 | 广东工业大学 | A kind of assembly concrete frame joint |
| CN110258783B (en) * | 2019-07-02 | 2024-06-11 | 广东工业大学 | Assembled concrete frame node |
| CN110607842A (en) * | 2019-10-17 | 2019-12-24 | 安徽建筑大学 | Assembled beam column connecting node of steel beam |
| CN112681514A (en) * | 2020-12-24 | 2021-04-20 | 上海宝冶集团有限公司 | Assembly type node sleeve and installation method thereof |
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