JPH1054080A - Pc column structural method and pc column - Google Patents
Pc column structural method and pc columnInfo
- Publication number
- JPH1054080A JPH1054080A JP15614497A JP15614497A JPH1054080A JP H1054080 A JPH1054080 A JP H1054080A JP 15614497 A JP15614497 A JP 15614497A JP 15614497 A JP15614497 A JP 15614497A JP H1054080 A JPH1054080 A JP H1054080A
- Authority
- JP
- Japan
- Prior art keywords
- column
- sheath
- reinforcement
- column main
- main
- 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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Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、鉄筋コンクリート
造ラーメン構造建物におけるＰＣ柱（プレキヤスト式鉄
筋コンクリート柱）構法及びそのＰＣ柱に関するもので
ある。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for constructing a PC column (precast reinforced concrete column) in a reinforced concrete frame structure and a PC column.
【０００２】[0002]
【従来の技術】従来、鉄筋コンクリート造ラーメン構造
建物は、施工現場で各種の鉄筋（柱、梁等の主筋、剪断
補強筋等）を組み立て、型枠で囲みコンクリートを打設
して柱を構築するのが一般的であるが、最近は、工場等
で予め組み立てた組立鉄筋、組立型枠を施工現場に搬入
して設置する先組工法が開発されている。さらに、工場
等で製造したＰＣ柱（プレキヤスト鉄筋コンクリート
柱）やＰＣ梁部材、床スラブ部材等を施工現場に搬入し
て設置し、コンクリートを打設してこの部材を構造材と
する構築法が開発されて、型枠の節減や工程の簡素化、
能率等とともに施工精度、品質を高めている。2. Description of the Related Art Conventionally, in a reinforced concrete rigid-frame building, various types of reinforcing bars (main bars such as columns and beams, shear reinforcing bars, etc.) are assembled at a construction site, and the columns are constructed by surrounding concrete with a formwork and casting concrete. However, recently, a pre-assembly method has been developed in which an assembled reinforcing bar and an assembled formwork pre-assembled in a factory or the like are brought into a construction site and installed. Furthermore, a construction method has been developed in which PC columns (precast reinforced concrete columns), PC beam members, floor slab members, etc., manufactured at factories, etc., are brought into the construction site and installed, and concrete is cast and these members are used as structural materials. To save formwork and simplify processes,
Improves construction accuracy and quality as well as efficiency.
【０００３】前記のＰＣ柱は、中実状のＰＣコンクリー
ト主体部内に帯筋（剪断補強筋）群及び複数の柱主筋等
を埋設して、柱上下部で柱主筋の端部を連結して構築す
る構造や、角筒状（中空形状）のＰＣコンクリート主体
部内に間隔をおき帯筋群を埋設して、内側に複数の柱主
筋等を配置しコンクリートを打設して構築する構造にな
つている。（例えば特公昭６２−３２２９９号公報、特
開昭６１−１６５４５３号公報）The above-mentioned PC column is constructed by embedding a group of reinforcing bars (shear reinforcing bars) and a plurality of column main bars in a solid PC concrete main portion, and connecting ends of the column main bars at upper and lower portions of the column. Or a structure in which a group of stirrups is buried at intervals in the main body of a square tubular (hollow) PC concrete, and a plurality of pillar main bars are placed inside and concrete is poured in. I have. (For example, JP-B-62-32299, JP-A-61-165453)
【０００４】[0004]
【発明が解決しようとする課題】従来のＰＣ柱におい
て、中実状のＰＣコンクリート主体部に柱主筋を埋設し
たものは、柱主筋の上下端部の連結に特殊の継手が必要
になり、また、角筒状のＰＣコンクリート主体部の内側
に柱主筋を配置するものは、軽量化されて柱主筋の配筋
が自在であるが、建て込まれたＰＣコンクリート主体部
の上部から柱主筋を嵌挿して連結する必要があるなど、
施工に手数、手間を要し面倒な高所作業になるなどの課
題がある。In a conventional PC column in which a column main bar is buried in a solid PC concrete main portion, a special joint is required to connect the upper and lower ends of the column main bar. When the pillar main bars are arranged inside the rectangular concrete main body, the weight of the pillar main bars can be reduced, and the reinforcing bars can be freely arranged. Need to be connected
There is a problem that it takes time and effort to perform the work, and the work becomes troublesome at high places.
【０００５】本発明は、前記のような課題に対処するた
めに開発されたものであり、その目的とする処は、柱主
筋の径や本数等で柱強度等の調整を容易とし自動的に柱
主筋の中段重ね継手を構成するなど、施工性とともに施
工精度、柱強度、耐震性等を向上して省力化、コスト節
減したＰＣ柱及びＰＣ柱構築法を提供するにある。[0005] The present invention has been developed to address the above-mentioned problems, and the object thereof is to make it easy to adjust the column strength and the like by adjusting the diameter and number of the main bars of the column and to automatically adjust the column strength. It is an object of the present invention to provide a PC column and a method of constructing a PC column which is capable of improving workability as well as construction accuracy, column strength, seismic resistance, etc. by constructing a middle lap joint of a column main bar, thereby saving labor and reducing costs.
【０００６】[0006]
【課題を解決するための手段】本発明は、帯筋群と縦に
貫設した複数のシース管及び各シース管の中央部に沿設
した添筋とを備えたＰＣコンクリート主体部の各シース
管を、床スラブ上に突出した下側の柱主筋に嵌装して、
ＰＣコンクリート主体部を垂直に建て込み、各シース管
に上側の柱主筋を嵌挿しグラウトを注入して、各シース
管及び添筋により柱主筋の中段重ね継手を構成すること
により、下側の柱主筋に各シース管を嵌装するＰＣコン
クリート主体部の建て込み工程、各シース管に上側の柱
主筋を嵌挿する工程、及び各シース管のグラウト注入工
程からなる簡単な工程によつて容易に施工され、柱主筋
の径や本数等で柱強度等を容易に調整し、各シース管及
び添筋によつて自動的に柱主筋の中段重ね継手が構成さ
れるなど、能率及び精度良く高強度のＰＣ柱に容易に施
工される。SUMMARY OF THE INVENTION The present invention is directed to a sheath for a PC concrete main body comprising a group of stirrups, a plurality of vertically extending sheath tubes, and a reinforcing bar extending along the center of each sheath tube. Fit the tube to the lower column main bar projecting above the floor slab,
The PC concrete main body is erected vertically, the upper column main reinforcement is inserted into each sheath tube, grout is injected, and the middle column lap joint of the column main reinforcement is constituted by each sheath tube and the reinforcement, thereby forming the lower column. A simple process consisting of the step of installing the main part of the PC concrete for fitting each sheath tube to the main bar, the process of inserting the upper column main bar into each sheath tube, and the grouting process of each sheath tube is easily performed. It is constructed, the column strength is easily adjusted by the diameter and the number of the column main bars, etc., and the middle lap joint of the column main bars is automatically configured by each sheath pipe and the reinforcing bar. Easily installed on PC columns.
【０００７】また、前記のＰＣ柱は、帯筋群と縦に貫設
した複数のシース管及び各シース管の中央部に沿設した
添筋とを備えたＰＣコンクリート主体部と、床スラブ上
に突出し各シース管に下側から嵌挿した下側の柱主筋
と、各シース管に上側から嵌挿した上側の柱主筋と、各
シース管に注入したグラウトと、各シース管及び添筋に
より構成した柱主筋の中段重ね継手とを具備し、前記の
ように柱強度等の調整などが容易で自動的に柱主筋の中
段重ね継手が構成されて所望強度のＰＣ柱に精度良く構
築されるなど、総合的に優れた施工性、施工精度ととも
に耐強度、耐震性等が得られる。[0007] The PC column comprises a PC concrete main part comprising a group of stirrups, a plurality of vertically extending sheath tubes, and a reinforcing bar extending along the center of each sheath tube; A lower column main bar inserted from below into each sheath tube, and an upper column main bar inserted into each sheath tube from above, grout injected into each sheath tube, and each sheath tube and reinforcing bar It is equipped with a middle lap joint of the main pillars, and the middle lap joints of the main pillars are easily configured as described above, and the strength of the column is easily adjusted. As a result, strength, seismic resistance, etc. can be obtained as well as overall excellent workability and construction accuracy.
【０００８】[0008]
【発明の実施の形態】図１ないし図４に本発明の一実施
例を示している。図中１０はＰＣ柱、１はＰＣ柱のＰＣ
コンクリート主体部、１ａはＰＣコンクリート主体部の
周壁部、１ｃはグラウトの注入孔、１ｄはグラウトの排
出孔、２は帯筋（剪断補強筋）、３はシース管、４はシ
ース管の中央部に沿い埋設した添筋、５ａ，５ｂは上側
と下側の柱主筋、６は柱主筋の中段重ね継手、２０ａ，
２０ｂは床スラブ、３２はＰＣ梁部材、及び３７は耐震
壁５０の装着穴である。FIG. 1 to FIG. 4 show an embodiment of the present invention. In the figure, 10 is a PC pillar, and 1 is a PC pillar PC.
Concrete main body, 1a: Peripheral wall of PC concrete main body, 1c: Grout injection hole, 1d: Grout discharge hole, 2: Strip (shear reinforcement), 3: Sheath tube, 4: Central portion of sheath tube 5a and 5b are upper and lower column main reinforcements, 6 is a column main reinforcement middle joint, 20a,
20b is a floor slab, 32 is a PC beam member, and 37 is a mounting hole of the earthquake-resistant wall 50.
【０００９】実施例は（図１ないし図４参照）、帯筋２
群と縦に貫設した複数のシース管３及び各シース管の中
央部に沿設した添筋４とを備えたＰＣコンクリート主体
部１の各シース管３を、床スラブ２０ｂ上に突出した下
側の柱主筋５ｂに嵌装して、ＰＣコンクリート主体部を
垂直に建て込み、各シース管３に上側の柱主筋５ａを嵌
挿しグラウトを注入して、各シース管３及び添筋４によ
つて柱主筋５ａ，５ｂの中段重ね継手６を構成すること
を特徴とするＰＣ柱構法になつている。The embodiment (see FIGS. 1 to 4)
Each sheath pipe 3 of the PC concrete main body 1 comprising a group, a plurality of sheath pipes 3 penetrating vertically and a reinforcing bar 4 extending along the center of each sheath pipe is projected downward on the floor slab 20b. The main part of PC concrete is erected vertically, the upper column main reinforcement 5a is inserted into each sheath pipe 3, grout is injected, and the sheath pipe 3 and the reinforcement 4 are inserted. Thus, a PC column construction method is characterized in that the column main reinforcements 5a and 5b constitute the middle lap joint 6.
【００１０】また、帯筋２群と縦に貫設した複数のシー
ス管３及び各シース管の中央部に沿設した添筋４とを備
えたＰＣコンクリート主体部１と、床スラブ２０ｂ上に
突出し各シース管に下側から嵌挿した下側の柱主筋５ｂ
と、各シース管に上側から嵌挿した上側の柱主筋５ａ
と、各シース管に注入したグラウトと、各シース管３及
び添筋４によつて構成した柱主筋５ａ，５ｂの中段重ね
継手６とを具備したことを特徴とするＰＣ柱１０になつ
ている。A PC concrete main body 1 having a group of stirrups 2 and a plurality of sheath pipes 3 penetrating vertically and reinforcing bars 4 extending along the center of each sheath pipe, and a floor slab 20b. Lower pillar main bar 5b protruding and fitted into each sheath tube from below
And upper column main bar 5a fitted into each sheath tube from above.
And a grout injected into each sheath tube, and a middle lap joint 6 of column main reinforcements 5a and 5b constituted by each sheath tube 3 and the reinforcing bar 4. .
【００１１】実施例について詳述すると、ＰＣコンクリ
ート主体部１は、図１ないし図４に示すように間隔をお
き埋設した帯筋２群と、周壁部１ａ内に周間隔をおき縦
に貫通状に埋設した複数のシース管３と、各シース管の
中央部に沿わせて埋設した複数（図示は各２本）の添筋
４とを備えた構造になつており、好ましくは、工場等に
おいて予め適宜の型枠（図示省略）内に前記のような配
筋をしてコンクリートを打設し、適宜の手段（図示省
略）により全体を回転して、遠心力により打設コンクリ
ートを締め固めて製造し、均質で高密度、高強度化及び
軽量化するとともに、中心孔１ｂが形成され外表面は仕
上面になつている。また、シース管３の上部と下部にグ
ラウトの注入孔１ｃや排出孔１ｄを連設し、この注入孔
及び排出孔はシース管３ごとに設けたり又は共通の孔に
形成する。さらに、必要に応じ側部に耐震壁５０の装着
穴３７を設けている。帯筋２は主帯筋と副帯筋からな
る。More specifically, the PC concrete main body 1 is composed of a group of stirrups 2 buried at intervals as shown in FIGS. 1 to 4 and a vertical penetrating space at a peripheral interval within the peripheral wall 1a. And a plurality of (two shown in the figure) reinforcing bars 4 buried along the center of each sheath tube, preferably in a factory or the like. Concrete is placed in a suitable form (not shown) in advance with the above arrangement, and the whole is rotated by a suitable means (not shown), and the poured concrete is compacted by centrifugal force. Manufactured to be homogeneous, high-density, high-strength, and light-weight, the central hole 1b is formed, and the outer surface is a finished surface. Further, grout injection holes 1c and discharge holes 1d are continuously provided at the upper and lower portions of the sheath tube 3, and the injection holes and the discharge holes are provided for each sheath tube 3 or formed in a common hole. Further, a mounting hole 37 for the earthquake-resistant wall 50 is provided on the side as necessary. The ligament 2 is composed of a main ligament and a minor ligament.
【００１２】実施例のＰＣ柱構法について詳述すると、
図１ないし図４に示すようにＰＣコンクリート主体部１
の各シース管３を、床スラブ２０ｂ上に突出している下
側の柱主筋５ｂに嵌装し、必要に応じサポート３１を施
してＰＣコンクリート主体部１を垂直に建て込み、各シ
ース管３に上側の柱主筋５ａを嵌挿して、注入孔１ｃか
ら各シース管３中にグラウトを注入して充填し、各シー
ス管３及び添筋４により柱主筋５ａ，５ｂの中段重ね継
手６を構成してＰＣ柱１０に施工する。必要に応じ図
２，３，４図に示すように装着穴３７に耐震壁５０を装
着したり、ＰＣコンクリート主体部１の上部間に断面Ｕ
形状のＰＣ梁部材３２を架設して、柱上部とＰＣ梁部材
３２及び上側の床スラブにコンクリートを打設して、Ｐ
Ｃ柱１０とともに梁及び床スラブ２０ｂも一体的に施工
する。The PC column construction method of the embodiment will be described in detail.
As shown in FIGS. 1 to 4, PC concrete main body 1
Is fitted to the lower column main bar 5b projecting on the floor slab 20b, the support 31 is provided if necessary, and the PC concrete main body 1 is vertically erected. The upper column main reinforcement 5a is inserted, grout is injected into each sheath tube 3 from the injection hole 1c and filled, and the middle main joint 6 of the column main reinforcements 5a and 5b is constituted by each sheath tube 3 and the reinforcing bar 4. To the PC column 10. As shown in FIGS. 2, 3 and 4, as shown in FIGS.
A concrete PC beam member 32 is erected and concrete is cast on the upper part of the column, the PC beam member 32 and the upper floor slab.
The beam and the floor slab 20b are integrally constructed together with the C pillar 10.
【００１３】前記のＰＣ柱１０は、ＰＣコンクリート主
体部１に鉄筋の突出部がなく、帯筋２群や複数のシース
管３及び添筋４で補強されて容易に揚重して配設するこ
とができる。また、下側の柱主筋５ａへの嵌装により所
定の建て込み位置に自動的に整合され、上下側の各柱主
筋５ａ，５ｂは、シース管３の中段部で突き合わせ整合
されて、各シース管３及び添筋４により自動的に高精度
で高強度の中段重ね継手６に構成される。図示のように
ＰＣ柱１０に形成された中心穴１ｂは、必要に応じ配線
や配線などしてコンクリートを打設し中実状ＰＣ柱に施
工される。The PC column 10 has no protruding portion of the reinforcing bar in the PC concrete main portion 1 and is reinforced by a group of stirrups 2, a plurality of sheath tubes 3 and the reinforcing bars 4, and is easily lifted and disposed. be able to. The lower main pillars 5a are automatically fitted to a predetermined built-in position by being fitted to the lower main pillars 5a, and the upper and lower main pillars 5a and 5b are abutted and aligned at the middle portion of the sheath tube 3 so that each sheath The pipe 3 and the reinforcing bar 4 automatically constitute a high-precision, high-strength middle-lap joint 6. As shown in the figure, the center hole 1b formed in the PC column 10 is installed in a solid PC column by pouring concrete with wiring or wiring as necessary.
【００１４】高層の鉄筋コンクリート造ラーメン構造建
物では、柱主筋等の径、本数等を調整して所望の強度を
確保し、対応した高強度の鉄筋柱構造にする必要がある
が、本発明では、各シース管３に嵌挿する上下側の柱主
筋５ａ，５ｂの径や本数等を調整して所望の柱強度に容
易に調整される。従来の中実形状のＰＣコンクリート主
体部にも適用可能である。In a high-rise reinforced concrete rigid frame structure building, it is necessary to secure the desired strength by adjusting the diameter, number, etc. of the column main reinforcement, etc., and to provide a corresponding high-strength reinforced column structure. The desired column strength can be easily adjusted by adjusting the diameter, the number, and the like of the upper and lower column main bars 5a, 5b to be inserted into each sheath tube 3. The present invention is also applicable to a conventional solid concrete PC main body.
【００１５】[0015]
【発明の効果】本発明は、前述のような構成からなり帯
筋群と縦に貫設した複数のシース管及び各シース管の中
央部に沿設した添筋を備えたＰＣコンクリート主体部の
各シース管を、床スラブ上に突出した下側の柱主筋に嵌
装して、ＰＣコンクリート主体部を垂直に建て込み、各
シース管に上側の柱主筋を嵌挿しグラウトを注入して、
各シース管及び添筋によつて柱主筋の中段重ね継手を構
成することにより、下側の柱主筋に各シース管を嵌装す
るＰＣコンクリート主体部の建て込み工程、各シース管
に上側の柱主筋を嵌挿する工程、及び各シース管のグラ
ウト注入工程等からなる簡単な工程によつて容易に施工
され、柱主筋の径や本数等で柱強度等を容易に所望値に
調整でき、各シース管及び添筋によつて自動的に柱主筋
の中段重ね継手が構成されるなど、施工能率及び精度良
く高強度のＰＣ柱に施工される。According to the present invention, there is provided a PC concrete main body comprising a plurality of sheath pipes having the above-described structure and extending vertically through a plurality of sheath pipes and a reinforcing bar extending along the center of each sheath pipe. Each sheath tube is fitted to the lower column main bar protruding on the floor slab, the PC concrete main part is vertically built, the upper column main bar is inserted into each sheath tube, grout is injected,
By constructing the middle lap joint of the column main reinforcement by each sheath tube and the reinforcing bar, the process of building the PC concrete main part for fitting each sheath tube to the lower column main reinforcement, the upper column to each sheath tube It is easily constructed by a simple process including the process of inserting the main reinforcement and the grouting process of each sheath tube, and the column strength and the like can be easily adjusted to desired values by the diameter and the number of the column main reinforcement. It is constructed on a high strength PC column with high construction efficiency and accuracy, for example, a middle lap joint of a column main reinforcement is automatically constituted by a sheath tube and a reinforcing bar.
【００１６】また、前記のＰＣ柱は、帯筋群と縦に貫設
した複数のシース管及び各シース管の中央部に沿設した
添筋とを備えたＰＣコンクリート主体部と、床スラブ上
に突出し各シース管に下側から嵌挿した下側の柱主筋
と、各シース管に上側から嵌挿した上側の柱主筋と、各
シース管に注入したグラウトと、各シース管及び添筋に
よつて構成した柱主筋の中段重ね継手とを具備し、前記
のように柱強度等の調整が容易であり自動的に柱主筋の
中段重ね継手が構成されて所望の柱強度のＰＣ柱に精度
良く構築されるなど、総合的に施工性とともに施工精度
や柱強度、耐震性等が著しく向上されている。また、著
しく省力化、コスト節減される。The PC column is mainly composed of a PC concrete body having a group of stirrups, a plurality of vertically extending sheath tubes, and a reinforcing bar extending along the center of each sheath tube. To the lower column main bar inserted into each sheath tube from below, the upper column main bar inserted into each sheath tube from above, the grout injected into each sheath tube, and each sheath tube and splice bar. And the middle lap joint of the main column is easily adjusted as described above, and the middle lap joint of the main column is automatically constructed as described above, and the accuracy of the PC column having the desired column strength is improved. As well as being well constructed, construction accuracy, column strength, seismic resistance, etc. have been significantly improved as well as overall workability. In addition, labor and cost are significantly reduced.
【図１】本発明のＰＣ柱とＰＣ柱構築法の一実施例を示
す平面図（Ａ）とその部分拡大平面図（Ｂ）及び◆−◆
部分の縦断面図（Ｃ）FIG. 1A is a plan view showing an embodiment of a PC column and a method of constructing a PC column according to the present invention, and FIG.
Partial longitudinal section (C)
【図２】耐震壁の配置状態を示す平面図（Ａ）及びその
◆−◆部分の上部を示す縦断面図（Ｂ）FIG. 2 is a plan view (A) showing an arrangement state of the earthquake-resistant wall, and a vertical cross-sectional view (B) showing an upper part of a ◆-◆ portion thereof.
【図３】柱構築状態を示す縦断側視図FIG. 3 is a vertical sectional side view showing a pillar construction state.
【図４】柱構築柱建て込み梁及び床の配置状態を示す斜
視図である。FIG. 4 is a perspective view showing an arrangement state of a pillar construction pillar beam and a floor.
【符号の説明】 １ ＰＣコンクリート主体部 １ａ 周壁部 ２ 帯筋（主、副帯筋） ３ シース管 ４ 添筋 ５ａ，ｂ 柱主筋 ６ 中段重ね継手 １０ ＰＣ柱 ３２ ＰＣ梁部材[Description of Signs] 1 PC concrete main portion 1a Peripheral wall portion 2 Stirrups (main and sub stirrups) 3 Sheath tube 4 Reinforcing bars 5a, b Column main bars 6 Middle lap joint 10 PC column 32 PC beam member
Claims (2)
び各シース管の中央部に沿設した添筋とを備えたＰＣコ
ンクリート主体部の各シース管を、床スラブ上に突出し
た下側の柱主筋に嵌装して、ＰＣコンクリート主体部を
垂直に建て込み、各シース管に上側の柱主筋を嵌挿しグ
ラウトを注入して、各シース管及び添筋により柱主筋の
中段重ね継手を構成することを特徴とするＰＣ柱構法。1. A sheathing tube of a PC concrete main body including a group of stirrups, a plurality of sheathing tubes extending vertically and a reinforcing bar extending along the center of each sheathing tube is projected onto a floor slab. The main part of the PC concrete is vertically erected, and the upper column main reinforcement is inserted into each sheath pipe, grout is injected, and the middle section of the column main reinforcement is inserted by each sheath pipe and the reinforcement. A PC column construction method comprising forming a lap joint.
び各シース管の中央部に沿設した添筋とを備えたＰＣコ
ンクリート主体部と、床スラブ上に突出し各シース管に
下側から嵌挿した下側の柱主筋と、各シース管に上側か
ら嵌挿した上側の柱主筋と、各シース管に注入したグラ
ウトと、各シース管及び添筋によつて構成した柱主筋の
中段重ね継手とを具備したことを特徴とするＰＣ柱。2. A PC concrete main part comprising a group of stirrups, a plurality of sheath pipes vertically penetrating, and a reinforcing bar extending along a central portion of each sheath pipe, and each sheath pipe projecting on a floor slab. A lower column main bar inserted from below, an upper column main bar inserted into each sheath tube from above, a grout injected into each sheath tube, a column main bar constituted by each sheath tube and a reinforcing bar. And a middle lap joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9156144A JP2984626B2 (en) | 1997-05-30 | 1997-05-30 | PC pillar construction method and its PC pillar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9156144A JP2984626B2 (en) | 1997-05-30 | 1997-05-30 | PC pillar construction method and its PC pillar |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13986490A Division JP2883898B2 (en) | 1990-05-31 | 1990-05-31 | PC pillar and PC pillar construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH1054080A true JPH1054080A (en) | 1998-02-24 |
| JP2984626B2 JP2984626B2 (en) | 1999-11-29 |
Family
ID=15621299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9156144A Expired - Lifetime JP2984626B2 (en) | 1997-05-30 | 1997-05-30 | PC pillar construction method and its PC pillar |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2984626B2 (en) |
-
1997
- 1997-05-30 JP JP9156144A patent/JP2984626B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2984626B2 (en) | 1999-11-29 |
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