JPH05214767A - Column and column connecting structure - Google Patents
Column and column connecting structureInfo
- Publication number
- JPH05214767A JPH05214767A JP4592392A JP4592392A JPH05214767A JP H05214767 A JPH05214767 A JP H05214767A JP 4592392 A JP4592392 A JP 4592392A JP 4592392 A JP4592392 A JP 4592392A JP H05214767 A JPH05214767 A JP H05214767A
- Authority
- JP
- Japan
- Prior art keywords
- column
- pillar
- fixed
- shaped
- nut
- 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 14
- 239000010959 steel Substances 0.000 claims abstract description 14
- 239000002184 metal Substances 0.000 claims description 21
- 238000003466 welding Methods 0.000 abstract description 7
- 239000007769 metal material Substances 0.000 abstract 4
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
Landscapes
- Joining Of Building Structures In Genera (AREA)
Abstract
Description
【0001】[0001]
【産業上の利用分野】この発明は、下部柱と上部柱を接
合する柱・柱接合構造に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pillar-column joining structure for joining a lower pillar and an upper pillar.
【0002】[0002]
【従来の技術】従来、例えばラーメン構造の架構体にお
いて角形鋼管の下部柱に対して上部柱を接合する場合、
図6に示す手順で行っていた。すなわち、図6(A)に
示すように上下の柱30, 31の4方向に、各々ボルト孔32
を有する接合プレート33を突設し、各柱30,31の対応す
る接合プレート33同士を、図6(B)で示すように別の
2枚の接合プレート34で挟み込み、ボルト35で締付け固
定する。この仮止め状態のもとで、柱30,31の上下端を
図6(C)に示すように溶接36して接合し、その後、各
接合プレート33を各柱30,31の外面から溶断する。2. Description of the Related Art Conventionally, for example, in a frame structure having a rigid frame structure, when an upper column is joined to a lower column of a rectangular steel pipe,
The procedure was as shown in FIG. That is, as shown in FIG. 6A, the bolt holes 32 are respectively provided in the four directions of the upper and lower columns 30, 31.
6B, the corresponding joint plates 33 of the columns 30 and 31 are sandwiched between two other joint plates 34 as shown in FIG. .. Under this temporarily fixed state, the upper and lower ends of the columns 30 and 31 are welded 36 to be joined as shown in FIG. 6 (C), and then each joining plate 33 is fused off from the outer surface of each column 30 and 31. ..
【0003】[0003]
【発明が解決しようとする課題】しかし、前記柱・柱接
合構造の場合、柱30,31の上下端を現場で突合わせ溶接
する必要がある。そのため現場での溶接管理を十分行わ
なければならず、また高度な溶接技術者が必要で、コス
トが増大するという問題点があった。さらに、現場で上
下の柱30,31を突き合わせ、接合プレート33,34により
仮止めを行う作業において、柱30,31の突合わせを精度
よく行うのが困難であるという問題点もあった。However, in the case of the pillar-column joint structure, it is necessary to butt-weld the upper and lower ends of the pillars 30 and 31 on site. Therefore, there is a problem in that welding management must be sufficiently performed on the site, an advanced welding engineer is required, and the cost is increased. Further, there is a problem that it is difficult to perform the butting of the columns 30 and 31 with high accuracy in the work of abutting the upper and lower columns 30 and 31 and temporarily fixing the columns 30 and 31 with the joining plates 33 and 34.
【0004】この発明の目的は、現場溶接が不要で、柱
間の接合を簡単にかつ低コストで堅固に行うことができ
る柱・柱接合構造を提供することである。An object of the present invention is to provide a pillar-to-column joining structure which does not require field welding and can firmly join the pillars easily and at low cost.
【0005】[0005]
【課題を解決するための手段】この発明の柱・柱接合構
造は、断面L形の一対のL形プレートを互いに対向して
下部プレート上に起立状態に固定した柱・柱接合金物を
介して、下部柱に対して角形鋼管からなる上部柱を接合
するものである。前記柱・柱接合金物は下部柱の上端面
に固定し、上部柱の下端を前記一対のL形プレートに嵌
合させる。前記各L形プレートにはボルト孔を設けてこ
のボルト孔と整合するナットを裏面に固定し、上部柱の
下端に設けられた孔にボルトを挿通して前記ナットに締
付け固定する。According to the pillar-column joint structure of the present invention, a pair of L-shaped plates having an L-shaped cross section are opposed to each other and fixed to the lower plate in an upright state via a pillar-column joint metal member. The upper column made of rectangular steel pipe is joined to the lower column. The pillar / pillar fitting is fixed to the upper end surface of the lower pillar, and the lower end of the upper pillar is fitted to the pair of L-shaped plates. A bolt hole is provided in each of the L-shaped plates, a nut matching the bolt hole is fixed to the back surface, and a bolt is inserted into a hole provided at the lower end of the upper column to be tightened and fixed to the nut.
【0006】前記各L形プレートの外面には縦方向に沿
うリブを突設し、このリブに嵌合するスリットを上部柱
の下端に形成してもよい。また、前記柱・柱接合構造に
おける一対のL形プレートに代えて角形鋼管を設けても
よい。A rib extending in the vertical direction may be provided on the outer surface of each L-shaped plate, and a slit fitted to the rib may be formed at the lower end of the upper column. Moreover, you may provide a square steel pipe instead of a pair of L-shaped plate in the said pillar-column connection structure.
【0007】[0007]
【作用】この構成によると、下部柱の上端面に固定され
た柱・柱接合金物の一対のL形プレートに角形鋼管から
なる上部柱の下端を嵌合させ、上部柱の下端に設けられ
た孔から各L形プレートのボルト孔にボルトを挿通させ
て裏面のナットに締付け固定することにより、下部柱と
上部柱とを接合することができる。According to this structure, the lower end of the upper pillar made of the rectangular steel tube is fitted to the pair of L-shaped plates of the pillar / column-joined metal member fixed to the upper end surface of the lower pillar, and is provided at the lower end of the upper pillar. The lower column and the upper column can be joined by inserting the bolt from the hole into the bolt hole of each L-shaped plate and tightening and fixing it on the nut on the back surface.
【0008】各L形プレートの外面にリブを、上部柱の
下端にスリットを形成した場合には、リブとスリットの
ガイド作用により、柱・柱接合金物のL形プレートへの
上部柱の下端の嵌合が円滑に行われる。L形プレートに
代えて角形鋼管を設けた場合には、柱・柱接合金物が簡
単に構成される。When a rib is formed on the outer surface of each L-shaped plate and a slit is formed at the lower end of the upper column, the guide action of the rib and the slit causes the lower end of the upper column to be attached to the L-shaped plate of the column-column joint metal article. The mating is done smoothly. When a square steel pipe is provided instead of the L-shaped plate, the pillar / column-joined metal fitting is simply constructed.
【0009】[0009]
【実施例】この発明の一実施例を図1ないし図3に基づ
いて説明する。この柱・柱接合構造は、角形鋼管からな
る下部柱1に対して、同じく角形鋼管からなる上部柱2
を接合する構造であって、下部柱1の上端面には予め工
場において図1に斜視図で示すように柱・柱接合金物3
を溶接により固定しておき、現場ではこの柱・柱接合金
物3を介して下部柱1に対し上部柱2を接合する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of the present invention will be described with reference to FIGS. This pillar-column joint structure has a lower pillar 1 made of a rectangular steel tube and an upper pillar 2 made of a rectangular steel tube.
In the factory, the upper end surface of the lower pillar 1 is connected to the pillar / column joint metal 3 as shown in a perspective view in FIG. 1 in advance.
Is fixed by welding, and the upper column 2 is joined to the lower column 1 via the column / column joining metal 3 on site.
【0010】柱・柱接合金物3は、下部プレート4上に
断面L形の一対のL形プレート5を互いに対向させ概形
が角形となる起立状態に固定して構成される。L形プレ
ート5には複数のボルト孔6を形成し、その裏面にはボ
ルト孔6に整合するナット7をそれぞれ固定する。The pillar / column-joint metal member 3 is constructed by fixing a pair of L-shaped plates 5 having an L-shaped cross section on a lower plate 4 so as to face each other in an upright state in which a general shape is a prism. A plurality of bolt holes 6 are formed in the L-shaped plate 5, and nuts 7 aligned with the bolt holes 6 are fixed to the back surface thereof.
【0011】L形プレート5の裏面へのナット7の固定
は、例えば図3に斜視図で示す構造とされる。すなわ
ち、座金9を介してL形プレート5上に配置したナット
7に対して、三叉状のナット押え金物10を被せ、その各
脚10aをL形プレート5の裏面に溶接11する。ナット押
え金物10は、中央にナット7のねじ孔と整合するボルト
孔12が形成されている。The nut 7 is fixed to the back surface of the L-shaped plate 5 by a structure shown in a perspective view in FIG. 3, for example. That is, the nut 7 arranged on the L-shaped plate 5 via the washer 9 is covered with the trifurcated nut retainer 10 and each leg 10a thereof is welded 11 to the back surface of the L-shaped plate 5. The nut retainer 10 has a bolt hole 12 formed at the center thereof which is aligned with the screw hole of the nut 7.
【0012】上部柱2の下端の四側面には前記L形プレ
ート5のボルト孔6に対応する複数のボルト孔8をそれ
ぞれ形成しておく。A plurality of bolt holes 8 corresponding to the bolt holes 6 of the L-shaped plate 5 are formed on the four lower side surfaces of the upper column 2.
【0013】上記構成の接合手順を説明する。下部柱1
の上端面に固定した柱・柱接合金物3の一対のL形プレ
ート5に対し、図1に矢印で示すように角形鋼管からな
る上部柱2の下端を落し込んで嵌合させ、その下端を下
部プレート4に突き合わせる。これにより、L形プレー
ト5のボルト孔6が上部柱2のボルト孔8に整合する。
この整合状態のもとで、図2に水平断面図で示すように
各ボルト孔6,8にボルト13を挿通させL形プレート5
裏面のナット7に螺合させることにより、上部柱2の下
端部をL形プレート5に締付け固定する。その結果、柱
・柱整合金物3を介して上部柱2が下部柱1に接合され
る。The joining procedure of the above configuration will be described. Lower pillar 1
As shown by the arrow in FIG. 1, the lower end of the upper pillar 2 made of a rectangular steel pipe is dropped into and fitted to the pair of L-shaped plates 5 of the pillar / column-joined metal fitting 3 fixed to the upper end surface of the Butt against the lower plate 4. Thereby, the bolt hole 6 of the L-shaped plate 5 is aligned with the bolt hole 8 of the upper column 2.
Under this alignment state, as shown in the horizontal sectional view of FIG. 2, the bolt 13 is inserted into each of the bolt holes 6 and 8, and the L-shaped plate 5 is inserted.
The lower end of the upper column 2 is fastened and fixed to the L-shaped plate 5 by screwing the nut 7 on the back surface. As a result, the upper pillar 2 is joined to the lower pillar 1 through the pillar / column-matching hardware 3.
【0014】このように、現場溶接を行うことなく上下
の柱2,1を接合することができ、現場管理が容易とな
る。また、上部柱2は、柱・柱接合金物3の2枚のL形
プレート5に嵌合させるので、L形プレート5が撓むこ
と等によって嵌合部の隙間が吸収でき、密な嵌合を容易
に行うことができる。そのため、ボルト接合でありなが
ら、堅固な接合が行える。なお、柱・柱接合金物3は、
接合柱の反曲点となる高さに配置することが望ましい。
このように反曲点に配置した場合、柱・柱接合金物3に
作用する曲げモーメントが小さくなるので、ボルト13
の本数を少なくしてより一層の省力化が図れる。In this way, the upper and lower columns 2, 1 can be joined without performing on-site welding, which facilitates on-site management. Moreover, since the upper pillar 2 is fitted to the two L-shaped plates 5 of the pillar / pillar-bonded metal fitting 3, the L-shaped plate 5 can be bent or the like to absorb a gap in the fitting portion, thereby allowing a close fitting. Can be done easily. Therefore, it is possible to perform firm joining even with bolt joining. In addition, the pillar / column-joint hardware 3 is
It is desirable to place it at a height that will be the inflection point of the joint column.
In the case of arranging at the inflection point in this way, the bending moment acting on the pillar / column joint metal 3 becomes small, so the bolt 13
It is possible to further reduce the labor by reducing the number of.
【0015】図4はこの発明の柱・柱接合構造の他の実
施例を示す分解斜視図であり、図5はその水平断面図を
示す。この実施例では、先の実施例におけるL形プレー
ト5の各外面にそれぞれ縦方向のリブ14を突設して柱・
柱接合金物23を構成する。柱・柱接合金物23における下
部プレート4、ボルト孔6、ナット7等は先の実施例と
同様である。また、角形鋼管からなる上部柱22の下端部
の各外面には、L形プレート5の前記各リブ14に嵌合す
る縦長のスリット15をそれぞれ形成する。その他の構成
は先の実施例と同様である。FIG. 4 is an exploded perspective view showing another embodiment of the pillar-column joint structure of the present invention, and FIG. 5 is a horizontal sectional view thereof. In this embodiment, vertical ribs 14 are provided on each outer surface of the L-shaped plate 5 in the previous embodiment so as to project from the pillars.
A pillar-bonded metal fitting 23 is constituted. The lower plate 4, the bolt hole 6, the nut 7, etc. in the pillar / column joint metal 23 are the same as in the previous embodiment. Further, vertically elongated slits 15 that fit into the ribs 14 of the L-shaped plate 5 are formed on the outer surfaces of the lower end of the upper column 22 made of a rectangular steel tube. The other structure is the same as that of the previous embodiment.
【0016】この構成の柱・柱接合構造では、図5に示
すようにL形プレート5の各リブ14に上部柱22の対応す
る各スリット15を嵌合させることにより、そのリブ14と
スリット15のガイド作用で柱・柱接合金物23のL形プレ
ート5に上部柱22を円滑に嵌合させることができる。そ
の後のボルト13による締付け固定は先の実施例と同様で
ある。この実施例では、柱・柱接合金物23のL形プレー
ト5と上部柱22との間に多少の寸法誤差があっても、上
部柱22のスリット15の幅を余裕をもって設定しておくこ
とにより、上記寸法誤差をスリット15とL形プレート5
のリブ14との嵌合部において吸収することができる。In the column-column joint structure having this structure, as shown in FIG. 5, by fitting the respective slits 15 of the upper column 22 into the respective ribs 14 of the L-shaped plate 5, the ribs 14 and the slits 15 are formed. The upper column 22 can be smoothly fitted to the L-shaped plate 5 of the column-column joint metal fitting 23 by the guide action of. The subsequent tightening and fixing with the bolts 13 is the same as in the previous embodiment. In this embodiment, even if there is a slight dimensional error between the L-shaped plate 5 of the pillar / column joint metal fitting 23 and the upper pillar 22, the width of the slit 15 of the upper pillar 22 is set with a margin. , The above dimensional error is due to the slit 15 and the L-shaped plate 5
Can be absorbed at the fitting portion with the rib 14.
【0017】なお、上記各実施例における柱・柱接合金
物3,23を構成する一対のL形プレート5に代えて角形
鋼管を用いてもよい。A square steel pipe may be used in place of the pair of L-shaped plates 5 constituting the pillar / column-joint metal fittings 3, 23 in each of the above embodiments.
【0018】[0018]
【発明の効果】この発明の柱・柱接合構造は、一対のL
形プレートを下部プレート上に対向して固定した柱・柱
接合金物を設け、この柱・柱接合金物を下部柱の上端面
に固定しておいて、上部柱の下端を前記一対のL形プレ
ートに嵌合させ、L形プレートの裏面に固定されたナッ
トに上部柱の下端をボルト固定したものであるため、現
場溶接を行うことなく堅固に固定できて、施工の省力化
が図れ、コストダウンにつながるという効果がある。EFFECT OF THE INVENTION The pillar-column joint structure of the present invention comprises a pair of L
A column / column-joint metal fixture, in which the shaped plates are fixed to face each other on the lower plate, is provided, and this column / column-joined metal fixture is fixed to the upper end surface of the lower column, and the lower end of the upper column is the pair of L-shaped plates Since the lower end of the upper column is bolted to the nut fixed to the back of the L-shaped plate, it can be firmly fixed without welding on site, labor saving in construction and cost reduction Has the effect of leading to.
【0019】また、前記各L形プレートの外面に縦方向
に沿うリブを突設し、このリブに嵌合するスリットを上
部柱の下端に設けた場合は、リブのガイド作用によって
柱・柱接合金物に対する上部柱の嵌合を円滑に行うこと
ができ、より一層施工性が向上する。When a rib extending in the vertical direction is provided on the outer surface of each L-shaped plate and a slit fitted to this rib is provided at the lower end of the upper column, the column-column joining is performed by the guiding action of the rib. The upper pillar can be smoothly fitted to the metal object, and the workability is further improved.
【0020】さらに、前記柱・柱接合構造における一対
のL形プレートに代えて角形鋼管を設けた場合には、柱
・柱接合金物の製造が簡単に行える。Further, when a square steel pipe is provided in place of the pair of L-shaped plates in the pillar-column joint structure, the pillar-column joint metal product can be easily manufactured.
【図1】この発明の一実施例である柱・柱接合構造を示
す分解斜視図である。FIG. 1 is an exploded perspective view showing a pillar-column joint structure according to an embodiment of the present invention.
【図2】その柱・柱接合構造の水平断面図である。FIG. 2 is a horizontal cross-sectional view of the pillar / column joint structure.
【図3】その柱・柱接合構造におけるナット固定構造を
示す斜視図である。FIG. 3 is a perspective view showing a nut fixing structure in the pillar / column joining structure.
【図4】この発明の他の実施例である柱・柱接合構造を
示す分解斜視図である。FIG. 4 is an exploded perspective view showing a pillar-column joint structure according to another embodiment of the present invention.
【図5】その柱・柱接合構造の水平断面図である。FIG. 5 is a horizontal cross-sectional view of the pillar / column joint structure.
【図6】従来の柱・柱接合構造の接合手順を示す説明図
である。FIG. 6 is an explanatory diagram showing a joining procedure of a conventional column-column joining structure.
1…下部柱、2,22…上部柱、3,23…柱・柱接合金
物、4…下部プレート、5…L形プレート、6…ボルト
孔、7…ナット、8…ボルト孔、13…ボルト、14…リ
ブ、15…スリット1 ... Lower column, 2,22 ... Upper column, 3,23 ... Pillar / column-joint hardware, 4 ... Lower plate, 5 ... L-shaped plate, 6 ... Bolt hole, 7 ... Nut, 8 ... Bolt hole, 13 ... Bolt , 14 ... rib, 15 ... slit
Claims (3)
対向して下部プレート上に起立状態に固定した柱・柱接
合金物を設け、前記各L形プレートにはボルト孔を設け
てこのボルト孔と整合するナットを裏面に固定し、前記
柱・柱接合金物を下部柱の上端面に固定し、角形鋼管か
らなる上部柱の下端を前記一対のL形プレートに嵌合さ
せ、かつこの上部柱の下端に設けられた孔にボルト挿通
して前記ナットに締付け固定した柱・柱接合構造。1. A pillar / column-joining metal member, in which a pair of L-shaped plates having an L-shaped cross section are opposed to each other and fixed in a standing state on a lower plate, is provided, and a bolt hole is provided in each of the L-shaped plates to form the bolt. A nut that aligns with the hole is fixed to the back surface, the pillar / column joint metal fitting is fixed to the upper end surface of the lower pillar, the lower end of the upper pillar made of a rectangular steel pipe is fitted to the pair of L-shaped plates, and the upper part A column-column joint structure in which a bolt is inserted into a hole provided at the lower end of the column and is fixedly fastened to the nut.
ブを突設し、このリブに嵌合するスリットを上部柱の下
端に形成した請求項1記載の柱・柱接合構造。2. The pillar-column joining structure according to claim 1, wherein a rib extending in the vertical direction is provided on the outer surface of each L-shaped plate, and a slit fitted to the rib is formed at the lower end of the upper pillar.
合構造における一対のL形プレートに代えて角形鋼管を
設けた柱・柱接合構造。3. A pillar-column joint structure in which a rectangular steel pipe is provided instead of the pair of L-shaped plates in the pillar-pillar joint structure according to claim 1 or 2.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4045923A JP2626854B2 (en) | 1992-01-31 | 1992-01-31 | Column-column joint structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4045923A JP2626854B2 (en) | 1992-01-31 | 1992-01-31 | Column-column joint structure |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH05214767A true JPH05214767A (en) | 1993-08-24 |
JP2626854B2 JP2626854B2 (en) | 1997-07-02 |
Family
ID=12732779
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4045923A Expired - Lifetime JP2626854B2 (en) | 1992-01-31 | 1992-01-31 | Column-column joint structure |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2626854B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100907655B1 (en) * | 2009-03-09 | 2009-07-13 | 삼성에스피(주) | Strut fixing structure of street light |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3951793B2 (en) * | 2002-05-08 | 2007-08-01 | 鹿島建設株式会社 | Steel tube column connection structure |
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JPS5738005U (en) * | 1980-08-08 | 1982-03-01 | ||
JPS57180996A (en) * | 1981-04-30 | 1982-11-08 | Tachikawa Spring Co | Stitching apparatus |
JPS5852783A (en) * | 1981-09-24 | 1983-03-29 | Fujitsu Ltd | Feature extraction system |
JPS5985801U (en) * | 1982-11-30 | 1984-06-09 | 日本鋼管株式会社 | Connection structure between square pipe column and H-shaped beam |
JPS59158602U (en) * | 1983-04-11 | 1984-10-24 | ナショナル住宅産業株式会社 | Structure of pillar mounting part |
JPS6168946A (en) * | 1985-06-25 | 1986-04-09 | ナショナル住宅産業株式会社 | Housing material connector |
JPH0274738A (en) * | 1988-09-07 | 1990-03-14 | Daiwa House Ind Co Ltd | Hard joint structure of square pipe pillers |
JPH02129502U (en) * | 1989-03-29 | 1990-10-25 |
-
1992
- 1992-01-31 JP JP4045923A patent/JP2626854B2/en not_active Expired - Lifetime
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS55112985A (en) * | 1979-02-26 | 1980-09-01 | Babcock Hitachi Kk | Wet type cooling tower |
JPS5738005U (en) * | 1980-08-08 | 1982-03-01 | ||
JPS57180996A (en) * | 1981-04-30 | 1982-11-08 | Tachikawa Spring Co | Stitching apparatus |
JPS5852783A (en) * | 1981-09-24 | 1983-03-29 | Fujitsu Ltd | Feature extraction system |
JPS5985801U (en) * | 1982-11-30 | 1984-06-09 | 日本鋼管株式会社 | Connection structure between square pipe column and H-shaped beam |
JPS59158602U (en) * | 1983-04-11 | 1984-10-24 | ナショナル住宅産業株式会社 | Structure of pillar mounting part |
JPS6168946A (en) * | 1985-06-25 | 1986-04-09 | ナショナル住宅産業株式会社 | Housing material connector |
JPH0274738A (en) * | 1988-09-07 | 1990-03-14 | Daiwa House Ind Co Ltd | Hard joint structure of square pipe pillers |
JPH02129502U (en) * | 1989-03-29 | 1990-10-25 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100907655B1 (en) * | 2009-03-09 | 2009-07-13 | 삼성에스피(주) | Strut fixing structure of street light |
Also Published As
Publication number | Publication date |
---|---|
JP2626854B2 (en) | 1997-07-02 |
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