JPH02132236A - Column and beam joint section unit - Google Patents
Column and beam joint section unitInfo
- Publication number
- JPH02132236A JPH02132236A JP63283896A JP28389688A JPH02132236A JP H02132236 A JPH02132236 A JP H02132236A JP 63283896 A JP63283896 A JP 63283896A JP 28389688 A JP28389688 A JP 28389688A JP H02132236 A JPH02132236 A JP H02132236A
- Authority
- JP
- Japan
- Prior art keywords
- column
- beam joint
- joint section
- steel
- concrete
- 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.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 39
- 239000010959 steel Substances 0.000 claims abstract description 39
- 230000002787 reinforcement Effects 0.000 claims description 28
- 230000003014 reinforcing effect Effects 0.000 claims description 12
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000010276 construction Methods 0.000 description 5
- 238000009415 formwork Methods 0.000 description 5
- 239000002184 metal Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
Landscapes
- Joining Of Building Structures In Genera (AREA)
Abstract
Description
【発明の詳細な説明】
《産業上の利用分野》
本発明は、柱・梁仕口部分の施工を簡単かつ適切に行な
うことができる柱争梁仕口部ユニットに関するものであ
る。DETAILED DESCRIPTION OF THE INVENTION <<Industrial Application Field>> The present invention relates to a column-to-beam joint part unit that can easily and appropriately construct a pillar-to-beam joint part.
《従来の技術》
従来ＳＲＣ造の施工は、柱，梁，床スラブの全ての鉄骨
，鉄筋を現場にて組立て、次いで型枠を取付けコンクリ
ートを打設するか、あるいは工場等で製造されたＰＣ柱
やＰＣ梁等を現場にて組込む等により行われていた。<Conventional technology> Conventional SRC construction involves assembling all the steel frames and reinforcing bars for columns, beams, and floor slabs on site, then attaching formwork and pouring concrete, or using PC manufactured in a factory, etc. This was done by installing columns, PC beams, etc. on site.
このうちＰＣ梁は、第１０図に示すように、上面にスタ
ーラップ２の上端部を突出した半ＰＣ梁１が主流となっ
ている（例えば、特公昭５３−２１２０４号公報等参照
）。Among these, the predominant type of PC beam is a semi-PC beam 1 having the upper end of the stirrup 2 protruding from the upper surface, as shown in FIG. 10 (see, for example, Japanese Patent Publication No. 53-21204).
この半ＰＣ梁１は、Ｈ形梁鉄骨３の両端部、下端筋４の
両端部及びスターラップ２の上端部を露出させるように
コンクリートを打設して製造される。This half-PC beam 1 is manufactured by pouring concrete so that both ends of the H-shaped beam steel frame 3, both ends of the lower reinforcement 4, and the upper end of the stirrup 2 are exposed.
梁鉄骨３の両端部は図示しない鉄骨柱との接合に用いら
れ、下端筋４の両端部は接続（アンカー）筋として他の
半ＰＣ梁の接続（アンカー）筋との接合に用いられ、ス
ターラップ２の上端部は床スラブとの取合部として用い
られる。すなわち現場にて、梁鉄骨３の両端部が鉄骨柱
と接合され、スターラップ２の上端部に梁上端筋や床ス
ラブ筋が挿入され、他の半ＰＣ梁の接続（アンカー）筋
との接合等を行った後、型枠を取付け、その後コンクリ
ートが打設されてこの半ＰＣ梁１と柱や床スラブとの作
業が成されるのである。Both ends of the beam steel frame 3 are used to connect with a steel column (not shown), and both ends of the lower end reinforcement 4 are used as connection (anchor) reinforcements to connect with the connection (anchor) reinforcement of other semi-PC beams, The upper end of the wrap 2 is used as a joint with the floor slab. That is, at the site, both ends of the steel beam 3 are connected to the steel column, beam top reinforcement and floor slab reinforcement are inserted into the upper end of the stirrup 2, and connection (anchor) reinforcement of other semi-PC beams is connected. After performing these steps, the formwork is installed, and then concrete is poured to connect the semi-PC beam 1 to the columns and floor slab.
《発明が解決しようとする課題》
上記のように従来の半ＰＣ梁１の場合、部材応力の集中
する柱・梁接合部が現場打ちコンクリートで合成される
ため、この合成部分の品質を確保する上で、高品質・高
コストのコンクリートの使用や、ボイド発生を防止する
ための細心のコンクリート打設作業、あるいは高強度・
高コストの鉄筋の多数の使用等を余儀なくされていた。[Problem to be solved by the invention] As mentioned above, in the case of the conventional semi-PC beam 1, the column-beam joint where member stress is concentrated is composited with cast-in-place concrete, so it is necessary to ensure the quality of this composite part. The use of high-quality, high-cost concrete, meticulous concrete pouring work to prevent voids, and high-strength and
This necessitated the use of a large number of high-cost reinforcing bars.
しかも現場におけるスターラップ２への梁上端筋の挿入
や結束、鉄骨柱との接合等、煩雑な作業を残すのみなら
ず、柱・梁接合部の型枠作業も極めて煩雑であり、工期
の長期化の一因ともなっていた。Moreover, not only is there still complicated work to be done on site, such as inserting and bundling the beam top end reinforcement into the stirrup 2, and joining it to the steel column, but also the formwork work at the column-beam joint is extremely complicated, resulting in a long construction period. It was also a contributing factor to the
一方、本出願人により第１１図に示す構成のＰＣ部材が
既に提案されている（特開昭６２−６０３４号公報）。On the other hand, the present applicant has already proposed a PC member having the configuration shown in FIG. 11 (Japanese Unexamined Patent Publication No. 62-6034).
このＰＣ部材１０は、梁の一部１１と柱の一部１２とが
工場にて一体にプレキャストされて柱・梁接合部（仕口
部）９として形成されたもので、現場施工において、予
め立設された柱主筋を接合部９に穿設されている貫通孔
１３に挿通し、梁上・下端筋４，６を他のＰＣ部材の梁
上・下端筋と接続すると共に、梁の一部１１に穿設され
ている貫通孔１４にスラブ筋を挿通するものである。In this PC member 10, a part 11 of a beam and a part 12 of a column are precast together in a factory to form a column-beam joint (shiguchi part) 9. Insert the erected column main reinforcement into the through hole 13 drilled in the joint 9, connect the beam upper and lower end reinforcements 4 and 6 to the beam upper and lower end reinforcements of other PC members, and The slab reinforcement is inserted into a through hole 14 drilled in the portion 11.
このように、本出願人の提案に係るＰＣ部材１０は、柱
・梁接合部９がプレキャストされているため、前述の従
来の半ＰＣ梁１における柱・梁接合部の品質上の問題、
煩雑な型枠取付作業等の問題を解決することができるが
、このような接合部分の作業を更に改善できる方策の案
出が望まれる。As described above, in the PC member 10 proposed by the present applicant, the column-beam joint 9 is precast, so there are no problems with the quality of the column-beam joint in the conventional semi-PC beam 1 described above.
Although problems such as complicated formwork installation work can be solved, it is desirable to devise a method that can further improve the work of such joint parts.
本発明は、以上の諸点に鑑み、先提案に係るＰＣ部材を
更に発展させて、柱・梁接合部の品質を向上しつつ簡単
且つ適切な作業を実施できる柱・梁仕口部ユニットを提
案することを目的としてなされたものである。In view of the above points, the present invention further develops the previously proposed PC member and proposes a column/beam joint unit that can improve the quality of the column/beam joint and perform simple and appropriate work. It was done for the purpose of
《課題を解決するための手段》
本発明は、上記目的を達成するために、柱・梁仕口部を
構成すると共にその端部から梁鉄骨及び梁鉄筋の接続端
部が突出されて、全体がプレキャスト化された柱・梁接
合部部材と、柱・梁接合部部材にこれを貫通させて一体
的に設けられた鉄骨柱と、柱・粱接合部部材の鉄骨柱の
貫通部に形成されたコンクリート充填用孔と、柱・梁接
合部部材に配設され柱主筋が挿通される貫通孔とを備え
たことを特徴とする。<<Means for Solving the Problems>> In order to achieve the above object, the present invention constitutes a column/beam joint part, and the connecting ends of the beam steel frame and the beam reinforcing bars protrude from the ends thereof, so that the entire structure is is formed in the precast column-beam joint member, the steel column that is integrally provided by penetrating the column-beam joint member, and the penetrating part of the steel column of the column-beam joint member. The present invention is characterized by comprising a concrete filling hole and a through-hole provided in the column-beam joint member through which the column main reinforcement is inserted.
《作 用》
本発明のユニットは、柱・梁接合部部材に一体的に設け
られた鉄骨柱が適宜他の鉄骨柱に接合されると共に、端
部から突出された梁鉄骨及び梁鉄筋の接続端部が、同様
な構成でなる他のユニットの梁鉄骨及び梁鉄筋との接合
に寄与する。また柱・梁接合部部材の貫通孔が、既に現
場に立設された柱主筋の柱・梁接合部部材への挿入に利
用される。<<Function>> In the unit of the present invention, the steel column provided integrally with the column-beam joint member is appropriately connected to other steel columns, and the beam steel and beam reinforcing bars protruding from the end are connected. The end portions contribute to connection with beam steel frames and beam reinforcing bars of other units having a similar configuration. In addition, the through-hole of the column-beam joint member is used for inserting the column main reinforcement already erected at the site into the column-beam joint member.
従って、本発明にあってはユニットを所望数準備し、現
場に予め立設されている柱主筋を貫通孔に通し、梁鉄骨
同士並びに上・下端筋同士を接合して所望寸法に組立て
、この梁部における接合部分に型枠を取付けてコンクリ
ートの現場打ちを行う。Therefore, in the present invention, a desired number of units are prepared, the main column reinforcements erected in advance on the site are passed through the through holes, and the beam steel frames and the upper and lower end reinforcements are joined to each other and assembled to desired dimensions. Formwork is attached to the joints of the beams and concrete is poured on-site.
このように本発明のユニットは、部材応力の集中する柱
・梁接合部を予め工場等でプレキャストしておき、接続
部の梁等を現場打ちコンクリートで合成するようにした
ものである。As described above, in the unit of the present invention, the column/beam joint where member stress is concentrated is precast in advance at a factory, etc., and the beam etc. of the joint is composited with cast-in-place concrete.
また、本発明ユニットの柱・梁接合部部材のコンクリー
ト充填用孔は、下部柱部分へのコンクリート打設の際に
コンクリート等のグラウト材がグラウトされて、柱・梁
接合部のコンクリート充填度も充分なものとする。In addition, the concrete filling hole of the column-beam joint member of the unit of the present invention is grouted with a grouting material such as concrete when concrete is poured into the lower column part, and the degree of concrete filling of the column-beam joint is also reduced. be sufficient.
《実 施 例》
第１図（Ａ），（Ｂ）は本発明ユニットの一実施例を示
し、第１図（Ａ）が斜視図、第１図（Ｂ）が平面図であ
る。<<Embodiment>> FIGS. 1(A) and 1(B) show an embodiment of the unit of the present invention, with FIG. 1(A) being a perspective view and FIG. 1(B) being a plan view.
本発明は基本的には、柱・梁仕口部を構成すると共にそ
の端部から梁鉄骨３及び梁鉄筋４，６の接続端部が突出
されて、全体がプレキャスト化された柱・梁接合部部材
８と、柱・梁接合部部材８にこれを貫通させて一体的に
設けられた鉄骨柱２１と、柱・梁接合部部材８の鉄骨柱
２１の貫通部に形成されたコンクリート充填用孔２２と
、柱・梁接合部部材８に配設され柱主筋が挿通される貫
通孔２３とを備えて構成される。Basically, the present invention consists of a column-beam joint, in which the connecting ends of the beam steel frame 3 and the beam reinforcing bars 4 and 6 protrude from the end of the column-beam joint part, and the column-beam joint is entirely precast. 8, a steel column 21 that is integrally provided through the column-beam joint member 8, and a concrete-filled concrete column formed in the penetrating portion of the steel column 21 of the column-beam joint member 8. It is configured to include a hole 22 and a through hole 23 which is disposed in the column/beam joint member 8 and through which the column main reinforcement is inserted.
図示例にあっては柱・梁接合部部材８は、梁の一部をも
形成するように水平三方向に張出した丁字形状に形成さ
れ、柱・梁接合部部材８の各端部を成すこれら張出し部
分１０からはそれぞれ梁鉄骨３及び梁鉄筋たる上・下端
筋４，６が突出されると共に、柱と梁が集合する柱・梁
接合部分（仕口部）に１本の鉄骨柱２１が一体的に設け
られている。In the illustrated example, the column-beam joint member 8 is formed in a T-shape that extends in three horizontal directions so as to also form a part of the beam, and forms each end of the column-beam joint member 8. A beam steel frame 3 and upper and lower end reinforcements 4 and 6, which are beam reinforcements, respectively protrude from these overhanging portions 10, and one steel column 21 is provided at the column-beam joint (joint part) where the columns and beams gather. are integrally provided.
具体的には、梁鉄骨３の接続端部及び上・下端筋６，４
の接続端部を残してコンクリートを打込み、柱・梁接合
部部材８を構成する。Specifically, the connection end of the beam steel frame 3 and the upper and lower end reinforcements 6, 4
Concrete is poured leaving the connecting end of , and the column-beam joint member 8 is constructed.
また接合部部材８には、鉄骨柱２１周囲にコンクリート
を打設するために、これに一体的に設けられる鉄骨柱２
１の周囲にコンクリート充填用孔２２を設ける。In addition, in order to pour concrete around the steel frame column 21, the joint member 8 includes a steel column 2 that is integrally provided with the steel frame column 21.
A concrete filling hole 22 is provided around the hole 1.
本例では、図示するように、鉄骨柱２１として４本の丁
字形鋼を、それらのウェップを集合させて接合させて一
体化したものを用いており、コンクリート充填用孔２２
は、これら接合部分を取り囲むように円形に形成された
孔部で構成されている。In this example, as shown in the figure, four pieces of T-shaped steel are used as the steel column 21, and their webs are assembled and joined to form an integrated structure, and the concrete filling hole 22
is composed of a circular hole that surrounds these joints.
また、柱・梁接合部部材８には、柱主筋挿通用の貫通孔
２３を設ける。本実施例では、張出し部分１０の基部側
の矩形部分の四隅に、図示されない柱主筋の配筋に対応
させて２個づつ設けている。Further, the column/beam joint member 8 is provided with a through hole 23 for insertion of the column main reinforcement. In this embodiment, two reinforcements are provided at each of the four corners of the rectangular portion on the base side of the overhanging portion 10, corresponding to the arrangement of column main reinforcements (not shown).
更に、接合部部材８の張出し部分１０の側面には、第２
図及び第３図に示す態様若しくは第４図及び第５図に示
す態様で、床スラブ取合部２４，２５が突設されている
。Further, on the side surface of the overhanging portion 10 of the joint member 8, a second
Floor slab joining parts 24 and 25 are provided in a protruding manner in the manner shown in FIGS. 3 and 3 or in the manner shown in FIGS. 4 and 5.
先ず、床スラブ取合部２４は、第２図，第４図に示すよ
うに、Ｌ形金物をＨ形梁鉄骨３の上下両フランジ間に嵌
め込み、Ｌ形金物の水平部先端が張出し部分１０の側面
下部から突出するように構成されている。なお、張出し
部分１０から突出されたＬ型金物の水平部先端にはボル
ト穴２４ａが穿設されている。First, as shown in FIGS. 2 and 4, the floor slab connecting part 24 is made by fitting an L-shaped metal piece between the upper and lower flanges of the H-shaped beam steel frame 3, so that the horizontal end of the L-shaped metal piece is attached to the overhanging part 10. It is configured to protrude from the lower side of the Note that a bolt hole 24a is bored at the tip of the horizontal portion of the L-shaped metal fitting protruding from the overhanging portion 10.
また、図示は省略するが、Ｌ形金物とＨ形梁鉄骨３とは
、ボルト・ナットや溶接等により固定してもよい。Further, although not shown, the L-shaped hardware and the H-shaped beam steel frame 3 may be fixed using bolts, nuts, welding, or the like.
次に、床スラブ取合部２５は、第３図，第５図に示すよ
うに、Ｌ形鉄筋２５ａと直線状の鉄筋２５ｂを、Ｌ形鉄
筋２５ａの先端が張出し部分１０の側面中央部からやや
下部に、直線状の鉄筋２５ｂの先端が張出し部分１０の
側面下部に、各々突出するようにしたものである。Next, as shown in FIG. 3 and FIG. At a slightly lower portion, the tips of linear reinforcing bars 25b are arranged to protrude to the lower side of the overhanging portion 10, respectively.
なおこの場合も図示は省略するが、Ｌ形鉄筋２５ａ，直
線状の鉄筋２５ｂとＨ形梁鉄骨３とは、ボルト・ナット
や溶接等により固定してもよい。Although not shown in the drawings in this case, the L-shaped reinforcing bars 25a, the linear reinforcing bars 25b, and the H-shaped beam steel frame 3 may be fixed using bolts and nuts, welding, or the like.
以上の態様で床スラブ取合部２４，２５を突設する場合
は、第２図〜第５図に示すように、梁の下方に床スラブ
２６を施工する所謂逆梁方式となるが、床スラブ取合部
２４，２５を第６図〜第９図のように張出し部分１０の
側面上部に突設させて梁の上方に床スラブ２６を施工す
る通常の梁方式とすることもできる。When the floor slab connecting parts 24 and 25 are installed protrudingly in the above manner, as shown in FIGS. 2 to 5, the so-called reverse beam method is used in which the floor slab 26 is constructed below the beam. It is also possible to use a normal beam method in which the slab connecting parts 24 and 25 are provided protrudingly from the upper side of the overhanging portion 10 as shown in FIGS. 6 to 9, and the floor slab 26 is constructed above the beam.
以上のように構成される本発明ユニットは、現場におい
て、既に立設されている柱主筋を貫通孔２３に挿入し、
梁鉄骨３の各接続端部及び上・下端筋４．６の各接続端
部を、同様な構成でなる他のユニットの梁鉄骨並びに上
・下端筋に接合することで組込まれ、その後床スラブの
施工や柱部へのコンクリート打設が行われる。そして、
この柱下部へのコンクリート打設の際には、コンクリー
ト充填用孔２２からグラウトが行われ、柱・梁接合部部
材８周辺のコンクリート充填度も充分なものとなる。The unit of the present invention configured as described above inserts the column main reinforcement that has already been erected into the through hole 23 at the site,
It is assembled by joining each connection end of the beam steel frame 3 and each connection end of the upper and lower end reinforcements 4.6 to the beam steel frame and upper and lower end reinforcements of other units with a similar configuration, and then the floor slab is assembled. construction and pouring concrete into the pillars. and,
When pouring concrete into the lower part of the column, grouting is carried out through the concrete filling hole 22, and the degree of concrete filling around the column-beam joint member 8 is also sufficient.
なお、以上の実施例では、概略丁字形の本発明ユニット
を示したが、概略Ｌ字形のユニットとすることもできる
し、直線状のユニットとすることもでき、あるいは４つ
の張出し部分を鉄骨柱を中心として直交させるように構
成して十字形のユニットとすることもでき、更に５つ以
上の張出し部分を構成して各種形状のユニットとするこ
ともできる。In the above embodiments, a roughly T-shaped unit of the present invention has been shown, but it can also be a roughly L-shaped unit, a linear unit, or the four overhanging parts can be formed from steel columns. It is also possible to form a cross-shaped unit by arranging the two parts to be perpendicular to each other with the two parts at the center, or to form units of various shapes by forming five or more overhanging parts.
《発明の効果》
以上詳述した本発明ユニットにおいては、次のような効
果を奏することができる。<<Effects of the Invention>> The unit of the present invention described in detail above can have the following effects.
（１）柱・梁接合部部材は工場にてプレキャストされて
いるため、接合部分（仕口部）の品質が向上する。この
ため、従来不可欠であった高品質・高コストのコンクリ
ートの使用や、無ボイドでのコンクリート打設作業、あ
るいは高強度・高コストの鉄筋の多数使用等は、必要と
されず、材料費や工事費を大幅に低減できる。(1) Since the column/beam joint parts are precast at the factory, the quality of the joint parts (joint parts) is improved. For this reason, the use of high-quality, high-cost concrete, void-free concrete pouring work, and the use of large numbers of high-strength, high-cost reinforcing bars, which were previously essential, are no longer necessary, and material costs are reduced. Construction costs can be significantly reduced.
（２）柱・梁接合部部材にコンクリート充填用孔を備え
たので、柱・梁接合部のコンクリート充填度も充分なも
のとすることができると共に、品質良好なＳＲＣ構造を
提供することができる。(2) Since the column-beam joint member is provided with a hole for concrete filling, the degree of concrete filling of the column-beam joint can be made sufficient, and an SRC structure with good quality can be provided. .
（３）現場における作業は大幅に単純化し、かつ減少す
るため、工期を大幅に短縮できる。(3) Since the work on site is greatly simplified and reduced, the construction period can be significantly shortened.
第１図は本発明の好適な一実施例を示し、第１図（Ａ）
は斜視図、第１図（Ｂ）は平面図、第２図〜第５図は床
スラブ取合部の例を示す断面図、第６図〜第９図は床ス
ラブ取合部の他の例を示す断面図、第１０図は従来の半
ＰＣ梁を示す斜視図、第１１図は先提案のＰＣ部材を示
す斜視図である。
３・・・・・・・・・梁鉄骨
４，６・・・梁鉄筋（上・下端筋）
８・・・・・・・・・柱・梁接合部部材２１・・・・・
・鉄骨柱
２２・・・・・・コンクリート充填用孔２３・・・・・
・貫通孔FIG. 1 shows a preferred embodiment of the present invention, and FIG.
is a perspective view, FIG. 1(B) is a plan view, FIGS. 2 to 5 are cross-sectional views showing examples of floor slab joints, and FIGS. 6 to 9 are views of other floor slab joints. FIG. 10 is a sectional view showing an example, FIG. 10 is a perspective view showing a conventional half PC beam, and FIG. 11 is a perspective view showing a previously proposed PC member. 3...Beam steel frames 4, 6...Beam reinforcing bars (upper and lower end reinforcements) 8...Column/beam joint member 21...
・Steel column 22... Concrete filling hole 23...
・Through hole
Claims (1)
梁鉄筋の接続端部が突出されて、全体がプレキャスト化
された柱、梁接合部部材と、該柱・梁接合部部材にこれ
を貫通させて一体的に設けられた鉄骨柱と、上記柱・梁
接合部部材の上記鉄骨柱の貫通部に形成されたコンクリ
ート充填用孔と、上記柱・梁接合部部材に配設され柱主
筋が挿通される貫通孔とを備えたことを特徴とする柱・
梁仕口部ユニット。Column and beam joint members that constitute a column and beam joint part and have connection ends of the beam steel frame and beam reinforcing bars protrude from the ends thereof and are entirely precast, and the column and beam joint members. A steel column integrally provided through this, a concrete filling hole formed in the penetrating portion of the steel column of the column-beam joint member, and a concrete filling hole provided in the column-beam joint member. A column characterized by having a through hole through which a column main reinforcement is inserted.
Liang joint unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63283896A JPH0751802B2 (en) | 1988-11-11 | 1988-11-11 | Prefabricated unit made of steel reinforced concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63283896A JPH0751802B2 (en) | 1988-11-11 | 1988-11-11 | Prefabricated unit made of steel reinforced concrete |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02132236A true JPH02132236A (en) | 1990-05-21 |
| JPH0751802B2 JPH0751802B2 (en) | 1995-06-05 |
Family
ID=17671585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63283896A Expired - Lifetime JPH0751802B2 (en) | 1988-11-11 | 1988-11-11 | Prefabricated unit made of steel reinforced concrete |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0751802B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6383557B2 (en) * | 2014-04-07 | 2018-08-29 | 株式会社竹中工務店 | Fall prevention wall |
-
1988
- 1988-11-11 JP JP63283896A patent/JPH0751802B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0751802B2 (en) | 1995-06-05 |
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