JP3716374B2 - Precast concrete column member of composite structure and construction method of structure using the same column member - Google Patents

Precast concrete column member of composite structure and construction method of structure using the same column member Download PDF

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Publication number
JP3716374B2
JP3716374B2 JP09370295A JP9370295A JP3716374B2 JP 3716374 B2 JP3716374 B2 JP 3716374B2 JP 09370295 A JP09370295 A JP 09370295A JP 9370295 A JP9370295 A JP 9370295A JP 3716374 B2 JP3716374 B2 JP 3716374B2
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Prior art keywords
column
precast concrete
steel
composite structure
column member
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JPH08284311A (en
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守文 武藤
康成 黒田
辰幸 鈴木
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Fujita Corp
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Fujita Corp
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Description

【0001】
【産業上の利用分野】
本発明は柱が鉄筋鉄骨コンクリート造(以下SRC造という)及び鉄筋コンクリート造(以下RC造という)からなる複合構造のプレキャストコンクリート柱(以下PC柱という)部材と梁が鉄骨造(以下S造という)の複合構造の柱部材及び同柱部材による構築物の構築方法に係るものである。
【0002】
【従来の技術】
従来、建築物の躯体構造としてSRC造、あるいはRC造、S造があり、設計上、1階の柱がSRC造で2階がRC造で、梁がS造からなる複合構造の構築方法においては、基礎柱を構築したのち、1階柱の鉄骨柱を建て鉄骨梁を架構して鉄骨梁に床となるデッキプレートを型枠代りに取り付け、柱に型枠を組立てた後、柱コンクリートと床コンクリートを打設して1階を構築し、次いで前記1階の柱筋と接合して2階の柱筋と同柱筋を囲繞する帯筋を組立て、柱頭部に梁架構用の鉄骨ブラケットを取付け、柱に型枠を組立てたあと、同柱及び床コンクリート打設して1階部分を構築し、次いで1階の柱筋と接合して2階の柱筋と同柱筋を囲繞する帯筋を組立て、柱頭部に梁架構用の鉄骨ブラケットを取り付け、柱に型枠を組立てたあとコンクリートを打設し、前記鉄骨ブラケット間に鉄骨梁を架構し、屋根あるいは床を設置して構築している。
【0003】
【発明が解決しようとする課題】
しかしながら前記従来技術においては次のような問題があった。
即ち柱においてはSRC造柱部とRC造柱部と、柱頭部の梁架構用の鉄骨ブラケットとが複合された構造体からなり、これらを施工するには前記したように鉄骨柱の建方、鉄筋の組立て、型枠の組立、解体等が現場作業によって行われるので、各作業工程毎に専門の作業員を必要とし、各専門職の技量によって施工精度のばらつきを生じ、更に互いの作業が干渉しないように予め工程を組んで施工されるため、相当の日程を要し、且つ天候にも左右され、工期が遅延する要因となっている。
【0004】
本発明は前記従来技術の有する問題点に鑑みて提案されたもので、その目的とするところは、部材を工業化によって製作して組立て、現場作業を極力省略して作業効率を向上し、工期の短縮を図る複合構造のC柱部材を提供する点にある。
【0005】
【課題を解決するための手段】
前記の目的を達成するため、本発明に係る複合構造のPC柱部材は、基礎と、柱を鉄骨鉄筋コンクリート造とした該基礎上の最下階と、柱を鉄筋コンクリート造としたそれより上の上階とを含み、各階の梁を鉄骨梁とした複合構築物を構築するための、複合構造のPC柱部材において、該PC柱部材は、前記複合構築物の複数階の柱を上下に連続させて一体に構成したPC部材であり、該PC柱部材は、前記基礎に埋設される柱脚部を備えており、該PC柱部材の前記最下階の部分は、鉄骨梁を接合するための鉄骨梁接合用ブラケットを突設した鉄骨柱を備えており、該PC柱部材は、前記複合構築物の複数階に亘って延在する柱筋と、同柱筋を囲繞する帯筋とよりなる補強鉄筋を備えており、該PC柱部材は、柱頭部に、前記複合構築物の屋根を支持する鉄骨梁接合するための梁鉄骨を備えており、該PC柱部材は、工場または現場サイトでコンクリート成形して構成されていることを特徴とする。
【0006】
請求項2の発明は前記複合構造のPC柱部材の柱脚部の4方に、スタッドボルトを植設して構成されている。
【0007】
【作用】
本発明に係る複合構造のPC柱部材は、複合構築物の複数階の柱を上下に連続して構成した部材であり、基礎に埋設される柱脚部を備えており、このPC柱部材の最下階の部分は、鉄骨梁を接合するための鉄骨梁接合用ブラケットを突設した鉄骨柱を備えており、また、このPC柱部材は、複合構築物の複数階に亘って延在する柱筋と、同柱筋を囲繞する帯筋とよりなる補強鉄筋を備えており、柱頭部に、前記複合構築物の屋根を支持する鉄骨梁接合するための梁鉄骨を備えており、工場または現場サイトでコンクリート成形して構成され、それによって、精度の高い品質管理により高品質のPC柱が得られるものである。
【0008】
請求項2の発明は、前記複合構造のPC柱部材の柱脚部の4方に、スタッドボルトを植設して構成したことにより、同各スタッドボルトを介して柱脚と基礎とが一体化され、スタッドボルトの剪断抵抗によって、柱脚の曲げ剛性が高められる。
【0009】
【実施例】
以下、本発明を図示の実施例について説明する。
図1は本発明に係る複合構築物を示す縦断面図で、1階がSRC造、2階は一部を除きRC造で、最上階はS造である。
図中Aは建築物で、基礎K、地中梁K1 、複数階の柱を上下に連続させて一体に構成したPC柱部材C、1階の鉄骨梁G、屋根Rを支持する梁である2階の鉄骨梁G’2階床S及び屋根Rによって構成されている。図中Fは1階床、Pは杭である。
【0010】
図2及び図3は夫々前記PC柱部材Cの骨格及び完成状態を示し、PC柱部材Cは基礎Kに埋設される柱脚部tを含み、1階鉄骨梁接合用ブラケット2が水平に突設されたH形鋼より構成された鉄骨柱1に複数階の長さに亘って柱主筋3と、同柱主筋3を囲繞する帯筋4を配筋し、柱頭部には、屋根Rを支持する鉄骨梁G’を接合するための梁鉄骨5を設けて構成され、このように構成された柱躯体の鉄骨柱1と柱主筋3及び帯筋4にコンクリート6が打設、被覆されている。更に柱脚部におけるH形鋼製鉄骨柱1の相対するフランジにスタッドボルト7が植立され、同鉄骨柱1のウェブと平行に配設され、且つスタッドボルト8が植立設された補強板9と、前記鉄骨柱1の相対するフランジとの間に亘って、アングル状の補強鉄骨材10が接合されている。
【0011】
次に前記複合構造のPC柱部材Cを使用して構築物を構築する工程について説明する。
構造物の基礎地盤に杭Pを施工したのち、基礎地盤まで掘削して柱下部に柱の基礎Kを先行して構築し、相隣る同基礎K間にPC地中梁K1 を設置するとともに、前記基礎K上にPC柱部材Cを立設する。この際、柱脚部tは前記スタッドボルト7,8によって基礎Kのコンクリートに一体に定着される。
【0012】
次いで相隣るPC柱部材C間に1階の鉄骨梁Gを架構し、前記鉄骨梁G間に2階の床Sを構築し、2階の鉄骨梁G’を架設するとともに、屋上階に屋根Rを架設し、掘削地盤を埋戻すとともに1階床Fのコンクリートを打設する。
【0013】
【発明の効果】
本発明に係る複合構造のPC柱部材は、複合構築物の複数階の柱を上下に連続させて一体に構成したPC部材であり、基礎に埋設される柱脚部を備えており、このPC柱部材の最下階の部分は、鉄骨梁を接合するための鉄骨梁接合用ブラケットを突設した鉄骨柱を備えており、また、このPC柱部材は、複合構築物の複数階に亘って延在する柱筋と、同柱筋を囲繞する帯筋とからなる補強筋を備えており、柱頭部には、前記複合構築物の屋根を支持する鉄骨梁接合するための梁鉄骨を備えており、工場または現場サイトでコンクリート成形して構成されるものであるので、柱脚部を介して基礎に確固と埋設定着され、前記各ブラケット及び柱頭部の鉄骨梁接合用梁を介して各階鉄骨梁及び頂部鉄骨梁の接合及び同梁上の各階床並に屋根部の施工が容易に行なわれ、この柱部材が工場または現場サイトでコンクリート成形してPC柱部材とされることによって、現場施工のように多くの作業員、特に専門職を要することがなく、複数階のPC柱部材が工場または現場サイトで工業化手法によって部材化されることによって、精度の高い品質管理によって高品質なPC柱が得られるものである。
【0014】
請求項2の発明は、前記複合構造のPC柱部材の柱脚部の4方にスタッドボルトが植設されているので、柱脚と基礎とが一体化され、スタッドボルトの剪断抵抗によって、柱脚の曲げ剛性が増大される。
【図面の簡単な説明】
【図1】 本発明に係る方法によって構築された構築物の縦断面図である。
【図2】 本発明に係る複合構造のPC柱部材の鉄骨柱及び柱鉄筋を示す正面図である。
【図3】 図2のPC柱部材の完成された状態を示す正面図である。
【図4】 図2の矢視イ−イ図である。
【図5】 図2の矢視ロ−ロ図である。
【図6】 図2の矢視ハ−ハ図である。
【図7】 図2の矢視ニ−ニ図である。
【図8】 図2の矢視ホ−ホ図である。
【符号の説明】
A 建築物
C PC柱部材
F 1階床
G 1階の鉄骨梁
G’ 2階の鉄骨梁
K 基礎
K’ PC地中梁
P 杭
R 屋根
S 2階床
t 柱脚部
1 鉄骨柱
2 鉄骨梁接合用ブラケット
3 柱主筋
4 帯筋
5 梁鉄骨
6 コンクリート
7 スタッドボルト
8 スタッドボルト
9 補助板
10 補強鉄骨材
[0001]
[Industrial application fields]
In the present invention, a precast concrete column (hereinafter referred to as a PC column) having a composite structure comprising a reinforced steel concrete structure (hereinafter referred to as an SRC structure) and a reinforced concrete structure (hereinafter referred to as an RC structure) and a beam are steel structures (hereinafter referred to as an S structure). This relates to a column member having a composite structure and a method for constructing a structure using the column member.
[0002]
[Prior art]
Conventionally, there are SRC structure, RC structure, and S structure as the building structure of the building. In the design method, the first floor pillar is SRC structure, the second floor is RC structure, and the beam is S structure. After constructing the foundation pillar, build the steel pillar of the first floor, build the steel beam, attach the deck plate as the floor to the steel beam instead of the formwork, assemble the formwork into the pillar, Placing floor concrete to construct the first floor, then joining the first floor column reinforcement and assembling the second floor column reinforcement and the strip that surrounds the same column reinforcement, the steel frame bracket for the beam frame on the column head After assembling the formwork to the pillar, the first floor part is constructed by placing the pillar and floor concrete, and then joining the first floor pillar and surrounding the second floor pillar and the same. After assembling the band, attaching the steel bracket for the beam frame to the column head, and assembling the formwork to the column, Ried was Da設 and Frames the steel beam between said steel bracket are constructed by installing a roof or floor.
[0003]
[Problems to be solved by the invention]
However, the prior art has the following problems.
That is, the column is composed of a structure in which the SRC column part, the RC column part, and the steel bracket for the beam frame of the column head are combined, and in order to construct these, as described above, Reinforcement assembly, formwork assembly, disassembly, etc. are carried out by on-site work, requiring specialized workers for each work process, causing variations in construction accuracy depending on the skill of each professional, and further mutual work Since the construction is performed in advance so as not to interfere, a considerable schedule is required, and it is also influenced by the weather, which causes the construction period to be delayed.
[0004]
The present invention has been proposed in view of the above-mentioned problems of the prior art. The purpose of the present invention is to manufacture and assemble column members by industrialization, to improve work efficiency by omitting field work as much as possible, It is to provide an P C pillar member of the composite structure to shorten the.
[0005]
[Means for Solving the Problems]
In order to achieve the above object, a PC column member having a composite structure according to the present invention includes a foundation, a lowermost floor on the foundation in which the column is made of steel reinforced concrete, and an upper layer on which the column is made of reinforced concrete. The PC column member having a composite structure for constructing a composite structure including a floor and a steel beam as a beam on each floor, wherein the PC column member is integrated by vertically and vertically connecting a plurality of floor columns of the composite structure. The PC column member includes a column leg portion embedded in the foundation, and the lowermost floor portion of the PC column member is a steel beam for joining steel beams. A steel column provided with a joining bracket projecting, and the PC column member includes a reinforcing bar composed of a column bar extending over a plurality of floors of the composite structure and a band bar surrounding the column bar; with which, the PC post member, the stigma portion, of the composite construct It includes a beam steel for joining the steel beam which supports the roots, the PC post member, characterized in that it is constituted by a concrete molding factory or in the field site.
[0006]
The invention of claim 2 is configured by implanting stud bolts on four sides of the column base portion of the PC column member of the composite structure.
[0007]
[Action]
The PC column member having a composite structure according to the present invention is a member in which columns of a plurality of floors of a composite structure are continuously arranged in the vertical direction, and includes column bases embedded in the foundation. The lower floor portion includes a steel column provided with a steel beam joint bracket for joining the steel beam , and the PC column member is a column bar extending over a plurality of floors of the composite structure. When provided with a more becomes reinforcing rebar and hoop surrounding the same pillar muscles, the stigma portion includes a beam steel for joining the steel beam which supports the roof of the complex construct, factory or field site It is configured by molding with concrete, and thereby, high-quality PC pillars can be obtained by high-precision quality control.
[0008]
The invention according to claim 2, wherein the four sides of the pedestal portion of the PC Columns of the composite structure, by constructing and implanting the stud bolt, columnar leg portion and the base and is integral via the respective stud bolts ized by the shear resistance of the stud bolt, the bending rigidity of the column base is increased.
[0009]
【Example】
The present invention will be described below with reference to illustrated embodiments.
FIG. 1 is a longitudinal sectional view showing a composite structure according to the present invention. The first floor is SRC construction, the second floor is RC construction except for a part, and the top floor is S construction.
In the figure, A is a building, a foundation K, an underground beam K 1 , a PC column member C constructed by integrating a plurality of columns on the top and bottom, and a steel beam G on the first floor, and a beam that supports the roof R. It is composed of a steel beam G ′ on the second floor, a floor S 2 on the second floor , and a roof R. In the figure, F is a floor on the first floor , and P is a pile.
[0010]
2 and 3 show the skeleton and completed state of the PC column member C, respectively. The PC column member C includes a column base t embedded in the foundation K, and the first floor steel beam joint bracket 2 protrudes horizontally. The column main reinforcement 3 and the band reinforcement 4 surrounding the column main reinforcement 3 are arranged over the length of a plurality of floors on the steel column 1 made of the H-shaped steel provided , and the roof R is provided on the column head. A beam steel frame 5 for joining a supporting steel beam G ′ is provided, and a concrete column 6 is cast and coated on the steel column 1, the column main bar 3, and the band bar 4 of the column frame thus configured. Yes. Further, a stud bolt 7 is planted on the opposite flange of the H-shaped steel steel column 1 at the column base, arranged in parallel with the web of the steel column 1, and a reinforcing plate in which the stud bolt 8 is planted. An angle-shaped reinforcing steel frame material 10 is joined between 9 and the opposing flange of the steel column 1.
[0011]
Next, the process of constructing a structure using the PC pillar member C having the composite structure will be described.
After constructing the pile P on the foundation ground of the structure, excavate to the foundation ground and build the pillar foundation K in the lower part of the pillar in advance, and install the PC underground beam K 1 between the adjacent foundation K At the same time, a PC column member C is erected on the foundation K. At this time, the column base t is fixed integrally to the concrete of the foundation K by the stud bolts 7 and 8.
[0012]
Next, a steel beam G on the first floor is constructed between adjacent PC column members C, a floor S on the second floor is constructed between the steel beams G, and a steel beam G ′ on the second floor is installed on the roof floor. The roof R is installed, the excavated ground is backfilled, and the concrete of the first floor F is placed.
[0013]
【The invention's effect】
The PC pillar member of the composite structure according to the present invention is a PC member that is configured integrally by vertically connecting a plurality of floor pillars of a composite structure, and includes a column base embedded in the foundation. The lowermost part of the member is provided with a steel column projecting a steel beam joint bracket for joining the steel beam , and the PC column member extends over a plurality of floors of the composite structure. and the bar streaks, provided with a reinforcement consisting of a hoop which surrounds the same pillar muscles, the stigma portion includes a beam steel for joining the steel beam which supports the roof of the complex construct, Since it is constructed by concrete molding at the factory or site site, it is firmly embedded in the foundation via the column base, and each floor steel beam and the steel beam connecting beam of each bracket and column head Joining the top steel beam and the roof of each floor on the same beam Engineering is easily done, by being a PC Columns This pillar member and the concrete molding factory or in the field site, many workers like construction site, without requiring particular profession, multiple floors The PC pillar member is made into a member by an industrialization method at a factory or a site, so that a high-quality PC pillar can be obtained by high-quality quality control.
[0014]
In the invention of claim 2, since stud bolts are planted in four directions of the column base part of the PC column member of the composite structure, the column base part and the foundation are integrated, and by the shear resistance of the stud bolt, the flexural rigidity of the column base is increased.
[Brief description of the drawings]
FIG. 1 is a longitudinal sectional view of a structure constructed by a method according to the present invention.
FIG. 2 is a front view showing a steel column and a column reinforcing bar of a PC column member having a composite structure according to the present invention.
FIG. 3 is a front view showing a completed state of the PC pillar member of FIG. 2;
FIG. 4 is a view as seen from the arrow in FIG. 2;
FIG. 5 is an arrow view of FIG. 2;
FIG. 6 is a view taken from the direction of the arrows in FIG.
7 is a knee view diagram of FIG. 2. FIG.
FIG. 8 is a hojo diagram of FIG.
[Explanation of symbols]
A building C PC column member F 1st floor G G 1st floor steel beam G '2nd floor steel beam K foundation K' PC underground beam P Pile R Roof S 2nd floor t Column base 1 Steel column 2 Steel beam Bracket for joining 3 Column main reinforcement 4 Band reinforcement 5 Beam steel frame 6 Concrete 7 Stud bolt 8 Stud bolt 9 Auxiliary plate 10 Reinforced steel frame

Claims (2)

基礎と、柱を鉄骨鉄筋コンクリート造とした該基礎上の最下階と、柱を鉄筋コンクリート造としたそれより上の上階とを含み、各階の梁を鉄骨梁とした複合構築物を構築するための、複合構造のプレキャストコンクリート柱部材において、
該プレキャストコンクリート柱部材は、前記複合構築物の複数階の柱を上下に連続させて一体に構成したプレキャストコンクリート部材であり、
該プレキャストコンクリート柱部材は、前記基礎に埋設される柱脚部を備えており、
該プレキャストコンクリート柱部材の前記最下階の部分は、鉄骨梁を接合するための鉄骨梁接合用ブラケットを突設した鉄骨柱を備えており、
該プレキャストコンクリート柱部材は、前記複合構築物の複数階に亘って延在する柱筋と、同柱筋を囲繞する帯筋とよりなる補強鉄筋を備えており、
該プレキャストコンクリート柱部材は、柱頭部に、前記複合構築物の屋根を支持する鉄骨梁接合するための梁鉄骨を備えており、
該プレキャストコンクリート柱部材は、工場または現場サイトでコンクリート成形して構成されている、
ことを特徴とする複合構造のプレキャストコンクリート柱部材。
For constructing a composite structure including a foundation, a lowermost floor on the foundation in which the column is a steel reinforced concrete structure, and an upper floor above the foundation in which the column is a reinforced concrete structure, and the beams on each floor are steel beams , In precast concrete column members with composite structure,
The precast concrete column member is a precast concrete member integrally configured by continuously connecting columns of a plurality of floors of the composite structure up and down,
The precast concrete column member has a column base embedded in the foundation,
The portion of the lowermost floor of the precast concrete column member is provided with a steel column projecting a steel beam joint bracket for joining a steel beam ,
The precast concrete column member includes a reinforcing bar composed of a column reinforcement extending over a plurality of floors of the composite structure, and a band reinforcement surrounding the column reinforcement,
The precast concrete column member includes a beam steel frame for joining a steel beam that supports the roof of the composite structure to a column head.
The precast concrete column member is formed by concrete molding at a factory or site site,
A precast concrete column member having a composite structure characterized by that.
前記複合構造のプレキャストコンクリート柱部材の柱脚部の4方に、スタッドボルトを植設して構成された請求項1記載の複合構造のプレキャストコンクリート柱部材。  The precast concrete column member having a composite structure according to claim 1, wherein stud bolts are planted on four sides of the column base portion of the precast concrete column member having the composite structure.
JP09370295A 1995-04-19 1995-04-19 Precast concrete column member of composite structure and construction method of structure using the same column member Expired - Fee Related JP3716374B2 (en)

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Publication number Priority date Publication date Assignee Title
EP1994240A1 (en) * 2006-02-10 2008-11-26 John Valle Structural stud
CN102733395A (en) * 2012-07-04 2012-10-17 江苏省华建建设股份有限公司 Connecting method of supporting beam at second path or under second path and vertical column pile in deep foundation pit of basement of building engineering
CN108571119B (en) * 2017-11-17 2023-10-20 曾彦粤 High-stress-resistance cement column special for rain shelter
CN108086682A (en) * 2017-12-25 2018-05-29 何文峰 Concrete structure, material and the engineering method that multilayer floor slab can construct simultaneously
CN109537812A (en) * 2018-11-22 2019-03-29 中国建筑第八工程局有限公司 Structural column indulges the connection method of muscle
CN111305470A (en) * 2020-02-24 2020-06-19 中国建筑第二工程局有限公司 Construction method of super high-rise first-section open-web type geometric steel concrete column

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