JPH07114616B2 - Steel box frame for artificial fish reef - Google Patents

Steel box frame for artificial fish reef

Info

Publication number
JPH07114616B2
JPH07114616B2 JP62087476A JP8747687A JPH07114616B2 JP H07114616 B2 JPH07114616 B2 JP H07114616B2 JP 62087476 A JP62087476 A JP 62087476A JP 8747687 A JP8747687 A JP 8747687A JP H07114616 B2 JPH07114616 B2 JP H07114616B2
Authority
JP
Japan
Prior art keywords
welding
members
steel
flange portion
beam members
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.)
Expired - Lifetime
Application number
JP62087476A
Other languages
Japanese (ja)
Other versions
JPS63251027A (en
Inventor
富士男 伊藤
明男 宮下
博 松田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SHIKO KENZAI LTD.
Original Assignee
SHIKO KENZAI LTD.
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SHIKO KENZAI LTD. filed Critical SHIKO KENZAI LTD.
Priority to JP62087476A priority Critical patent/JPH07114616B2/en
Publication of JPS63251027A publication Critical patent/JPS63251027A/en
Publication of JPH07114616B2 publication Critical patent/JPH07114616B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
    • Y02A40/81—Aquaculture, e.g. of fish

Description

【発明の詳細な説明】 （産業上の利用分野） 本発明は、水産増殖事業において、あわび等の貝類やイ
セエビ等の魚類の増殖に使用される人工魚礁用の鋼製箱
枠に関するものである。Description: TECHNICAL FIELD The present invention relates to a steel box frame for an artificial reef used for breeding shellfish such as abalone and fish such as lobster in aquaculture breeding business. .

（従来技術） 従来、この種の人工魚礁用鋼製箱枠として、上下および
前後、左右の各陵線部に配置されたＨ形鋼からなる梁材
の両端を、四隅に配置されたＨ形鋼からなる柱材の側面
に連結金具と複数本のボルトナットにより連結して立法
体状の骨組を組立てたもの（たとえば実公昭58−36271
号公報）と、上記と同様にＨ形鋼により形成された梁材
の両端をＨ形鋼により形成された柱材の側面に突合せて
その突合せ部を溶接して立方体状の骨組を組立てたもの
（たとえば実公昭58−53977号公報）とが知られてい
る。(Prior Art) Conventionally, as a steel box frame for artificial fish reef of this kind, both ends of a beam member made of H-shaped steel arranged in each of the upper, lower, front and rear, and left and right ridgelines are H-shaped arranged in four corners. A columnar structure made of steel and assembled with a connecting bracket and a plurality of bolts and nuts to assemble a cubic frame (for example, Japanese Utility Model Sho 58-36271).
And a beam member formed of H-section steel is butt-joined to the side surfaces of a column member formed of H-section steel and the butt portions are welded to assemble a cubic frame. (For example, Japanese Utility Model Publication No. 58-53977) is known.

しかし、前者のボルトによる連結方法では、ボルト自身
のねじ部が腐食に弱く、また、梁材や柱材等の母材に設
けられたボルト挿通穴も腐食しやすく、その腐食により
母材およびボルトが薄くあるいは細くなり、耐久性に乏
しく、長日月の使用に伴ってがたつきが生じ、潮流等に
より崩壊するおそれがある。However, in the former method of connecting with bolts, the threaded portion of the bolt itself is weak against corrosion, and the bolt insertion holes provided in the base material such as the beam and column materials are also easily corroded, and the corrosion causes the base material and the bolt. It becomes thin or thin, has poor durability, rattles with use for many days, and may collapse due to tidal current.

また、後者において、従来の溶接方法では、Ｈ形鋼同志
を端面と側面で突合せて溶接するだけであるため、その
溶接ラインがＨ形鋼の端面形状に沿った形状となり、非
常に複雑であるとともに、突合せ溶接のために端面の開
先加工が必要であり、かつ、その溶接時には下向きの水
平方向だけでなく、骨組の外側および内側からの横向き
での上下方向ならびに下側からの上向きで水平方向等の
多岐の角度から溶接しなければならず、作業能率が非常
に悪い。このため現場での溶接組立てに頼ると、長時間
要するために、溶接が雑になり勝ちで、溶接の信頼性に
欠ける。Further, in the latter case, in the conventional welding method, since the H-shaped steels are simply butt welded to each other at the end face and the side face, the welding line has a shape along the end face shape of the H-shaped steel, which is very complicated. At the same time, it is necessary to groove the end face for butt welding, and at the time of welding, not only the downward horizontal direction but also the horizontal direction from the outside and the inside of the frame and the horizontal direction from below to above. Welding must be done from various angles such as direction, and work efficiency is extremely poor. For this reason, when relying on welding and assembling in the field, it takes a long time and the welding tends to become rough, resulting in lack of welding reliability.

そのために従来では、鋼製箱枠を組立て工場で溶接して
組立てた後、現地までトラックにより輸送し、現地で鋼
製箱枠内に石を詰め、クレーン船で沈設する方法が取ら
れている。しかしながらこのように予め工場で組立てた
鋼製箱枠をトラック輸送する場合、積載量の関係で魚礁
１個当たりの大きさが制限され、大型の魚礁が必要な時
は、小型に分割して複数個製作する必要があり、これに
伴って部材数の増加、トータル重量の増加、溶接量の増
加等が生じ、コストアップになるという問題があった。Therefore, in the past, a method of welding and assembling a steel box frame at a factory, transporting it to the site by truck, packing stones in the steel box frame at the site, and sunk by a crane ship has been adopted. . However, when transporting a steel box frame pre-assembled in the factory in this way by truck, the size of each fish reef is limited due to the loading capacity. Since it is necessary to manufacture each individually, there is a problem that the number of members increases, the total weight increases, the welding amount increases, etc., and the cost increases.

（発明の目的） 本発明は、このような問題を解消するためになされたも
のであり、ボルトによる連結構造のような腐食を少なく
して耐久性を向上させ、かつ、溶接方式でありながら、
その溶接の作業性を向上させ、現地でも容易に効率良く
溶接でき、作業時間を大幅に短縮でき、大型魚礁であっ
ても、その組立て前の状態で嵩張らずに輸送できるとと
もに、現地での組立てを容易にし、部材数の節減、トー
タル重量の軽量化、溶接量の減少化を可能にして大幅な
コストダウンを図ることができる人工魚礁用鋼製箱枠を
提供することを目的としている。(Object of the Invention) The present invention has been made in order to solve such a problem, and improves durability by reducing corrosion such as a connection structure using bolts, and, while being a welding method,
Welding workability has been improved, welding can be done easily and efficiently at the site, work time can be greatly shortened, and even large fish reefs can be transported without bulk in the state before assembly, and they can be assembled locally. It is an object of the present invention to provide a steel box frame for artificial fish reef, which facilitates the reduction of the number of members, the reduction of the total weight, and the reduction of the welding amount, thereby achieving a significant cost reduction.

（発明の構成） 本発明は、複数本の鋼製梁材により平面多角形状に形成
される上部枠体および下部枠体と、上下の梁材間に配置
される複数本の鋼製柱材とにより多面体状の骨組が構成
され、その骨組を上面を除く各面にスクリーン状が張設
されてなる鋼製箱枠であって、上部枠体および下部枠体
の各梁材同志の接合部において、一方の梁材の端部上面
に支持用切欠が形成されかつその切欠の上面部に接合用
大フランジ部が設けられ、他方の梁材の端部下面に被支
持用切欠が形成されかつその切欠の下面部に接合用小フ
ランジ部が設けられ、この小フランジ部が上記大フラン
ジ部上に小フランジ部が載置された状態で、小フランジ
部の縁部が大フランジ部の上面に溶接されて量梁材同志
が接合されていることを特徴とするものである。(Structure of the Invention) The present invention relates to an upper frame body and a lower frame body formed in a planar polygonal shape by a plurality of steel beam members, and a plurality of steel column members arranged between upper and lower beam members. It is a steel box frame in which a polyhedral skeleton is configured by, and the skeleton is stretched in a screen shape on each surface except the upper surface, at the joint portion of each beam member of the upper frame body and the lower frame body. A supporting notch is formed on the upper surface of the end of one beam, and a large flange portion for joining is provided on the upper surface of the notch, and a supported notch is formed on the lower surface of the end of the other beam. A small flange portion for joining is provided on the lower surface of the cutout, and with the small flange portion placed on the large flange portion, the edge of the small flange portion is welded to the upper surface of the large flange portion. It is characterized by the fact that they are joined together.

この構成により、各梁材同志の溶接ならびに各梁材と柱
材との溶接の大部分を下向き姿勢で水平方向の隅肉溶接
として容易に溶接でき、溶接時の作業製を向上させ、作
業者の疲労を軽減できるとともに、現地での溶接作業の
能率向上、時間の短縮が可能となり、大型の人工魚礁で
も組立て前の状態で輸送して現地で容易に溶接組立てが
でき、部材数の節減等によりコストダウンを図ることが
できる。With this configuration, most of the welding of each beam material and the welding of each beam material and the column material can be easily welded as the fillet welding in the horizontal direction in the downward posture, improving the work product at the time of welding, This reduces the fatigue of the welding, improves the efficiency of welding work on site, and shortens the time required.Even large artificial reefs can be transported in their pre-assembled state and easily welded and assembled locally, reducing the number of parts, etc. Therefore, the cost can be reduced.

（実施例） 第１図乃至第４図において、上方の前部梁材1aと後部梁
材1bおよび下方の左側梁材2cと右側梁材2dとは、同一構
造で、上下のフランジ部11,12間にウェブ13を備えたＨ
形鋼により構成され、その長手方向両端において、第２
図に示すように上部フランジ部11とウェブ13の上半部と
がＬ形に切欠されて支持用切欠14が形成され、各支持用
切欠14の上面部に大フランジ材15が固着されている。(Example) In FIGS. 1 to 4, the upper front beam member 1a and the rear beam member 1b and the lower left beam member 2c and the right beam member 2d have the same structure, and the upper and lower flange portions 11, H with web 13 between 12
It is made of shaped steel and has a second
As shown in the figure, the upper flange portion 11 and the upper half of the web 13 are cut out in an L shape to form supporting notches 14, and a large flange member 15 is fixed to the upper surface of each supporting notch 14. .

上記ウェブ13の端部には支持用切欠14の上面に連続する
スリット16が形成され、このスリット16に大フランジ材
15の内側部中央が係合された状態で、大フランジ材15の
下面がウェブ13に溶接により固着されている。また、大
フランジ材15の幅W1は上下のフランジ部11,12の幅w1よ
り大きく、長さL1はスリット16の長さl11と切欠14の長
さl12との和より大きく形成され、その取付け状態の平
面視で大フランジ材15の両側辺部が上下のフランジ部1
1,12の両側辺部より突出し、かつ、大フランジ材15の先
端がウェブ13の先端より突出するように形成されてい
る。17は大フランジ材15を補強するためにガセットプレ
ートであり、大フランジ材15と下部フランジ部12との間
で、大フランジ材15上に接合される後述の梁材のウェブ
23に対応する箇所に配置されて溶接により固着されてい
る。A slit 16 continuous with the upper surface of the support notch 14 is formed at the end of the web 13, and a large flange material is formed in the slit 16.
The lower surface of the large flange material 15 is fixed to the web 13 by welding in a state where the center of the inner portion of 15 is engaged. Further, the width W 1 of the large flange member 15 is larger than the width w 1 of the upper and lower flange portions 11 and 12, and the length L 1 is larger than the sum of the length l 11 of the slit 16 and the length l 12 of the notch 14. When formed, the large flange material 15 has upper and lower flange portions 1 on both sides in plan view.
The large flange member 15 is formed so as to project from both sides of the webs 1 and 12 and the tip of the large flange member 15 projects from the tip of the web 13. Reference numeral 17 denotes a gusset plate for reinforcing the large flange material 15, and between the large flange material 15 and the lower flange portion 12, a web of a beam material described later joined on the large flange material 15.
It is arranged at a position corresponding to 23 and fixed by welding.

一方、下方の前部梁材2aと後部梁材2bおよび上方の左側
梁材2cと右側梁材2dとは、同一構造で、上記各梁材1a〜
1dと同様に上下のフランジ部21,22間にウェブ23を備え
たＨ形鋼により構成される。ただし、各梁材2a〜2dはそ
の長手方向両端において、上記各梁材1a〜1dとは逆に第
２図に示すように下部フランジ部22とウェブ23の下半部
とがＬ形に切欠されて被支持用切欠24が形成され、各被
支持用切欠24の下面部に小フランジ材25が固着されてい
る。On the other hand, the lower front beam member 2a and the rear beam member 2b, and the upper left beam member 2c and the right beam member 2d have the same structure, and each beam member 1a ~
Similar to 1d, it is made of H-shaped steel having a web 23 between the upper and lower flange portions 21, 22. However, at the longitudinal ends of each beam 2a to 2d, as shown in FIG. 2, the lower flange 22 and the lower half of the web 23 are notched in an L shape at the opposite ends of the beam 2a to 1d. Thus, the supported cutouts 24 are formed, and the small flange member 25 is fixed to the lower surface of each supported cutout 24.

また、ウェブ23の端部には上記切欠24の下面に連続する
スリット26が形成され、このスリット26に小フランジ材
25の内側端部中央が係合された状態で、小フランジ材25
の上面がウェブ23に溶接により固着されている。なお、
小フランジ材25の幅W2は上下のフランジ部21,22の幅w2
と同一寸法であり、かつ、長さL2はスリット26の長さl
21と切欠24の長さl22との和と同一寸法である。従っ
て、その取付け状態の平面視で小フランジ材25の両側辺
部および先端が上下のフランジ部21,22の両側辺部およ
びウェブ23の先端より突出しないようになっている。27
は小フランジ材26を補強するためのガセットプレートで
あり、小フランジ材25と下部フランジ部12との間で前述
した梁材1a〜1dのウェブ13に対応する箇所に配置されて
溶接により固着されている。Further, a slit 26 continuous with the lower surface of the cutout 24 is formed at the end of the web 23, and a small flange material is formed in the slit 26.
With the center of the inner edge of 25 engaged,
The upper surface of is fixed to the web 23 by welding. In addition,
The width W 2 of the small flange member 25 has a width w 2 of the upper and lower flange portions 21 and 22
And the length L 2 is the length l of the slit 26.
It has the same size as the sum of 21 and the length l 22 of the notch 24. Therefore, in a plan view of the attached state, both side portions and tips of the small flange member 25 do not protrude from both side portions of the upper and lower flange portions 21 and 22 and the tip of the web 23. 27
Is a gusset plate for reinforcing the small flange member 26, and is arranged between the small flange member 25 and the lower flange portion 12 at a position corresponding to the web 13 of the beam members 1a to 1d and fixed by welding. ing.

中間梁材３の上下のフランジ部31,32間にウェブ33を備
えたＨ形鋼で、上記梁材1a〜1dおよび2a〜2dよりも大き
い（高い）Ｈ形鋼により形成され、その両端に上記梁材
2a〜2dと同様の被支持用切欠34とフランジ材35とが設け
られている。この中間梁材３にはガセットプレートを設
けてもよいし、設けなくてもよい。It is an H-shaped steel having a web 33 between the upper and lower flange portions 31, 32 of the intermediate beam 3 and is formed by an H-shaped steel larger (higher) than the beam 1a to 1d and 2a to 2d, and at both ends thereof. Above beam material
A supported notch 34 and a flange member 35 similar to 2a to 2d are provided. The intermediate beam member 3 may or may not be provided with a gusset plate.

４は底面のスクリーン材となるグレーチングであり、断
面Ｉ形の鋼板または平鋼板等からなる複数本の主部材41
と、角形棒鋼等を捩り加工してなる複数本の補助部材42
とが格子状に接合され、そのグレーチング幅方向両端に
平鋼板もしくはＬ形鋼、角パイプ材等からなる側枠43が
固着されて構成される。Reference numeral 4 denotes a grating serving as a screen material for the bottom surface, and a plurality of main members 41 made of steel plates or flat steel plates having an I-shaped cross section.
And a plurality of auxiliary members 42 formed by twisting square steel bars
And are joined in a grid shape, and side frames 43 made of flat steel plate, L-shaped steel, square pipe material or the like are fixed to both ends in the grating width direction.

５は四隅に配置される主柱材、51は主柱材５間に配置さ
れる中間柱材であり、これらの柱材5,51は角形鋼管によ
り形成されるのが通例であるが、丸形鋼管、Ｈ形鋼、Ｃ
形鋼、Ｌ形鋼等の枠材により形成してもよい。６は周面
のスクリーン材であり、通常Ｌ形鋼が用いられる。5 is a main pillar material arranged in the four corners, 51 is an intermediate pillar material arranged between the main pillar materials 5, and these pillar materials 5 and 51 are usually formed by a square steel pipe, Shaped steel pipe, H-shaped steel, C
You may form with frame materials, such as a shaped steel and L-shaped steel. Reference numeral 6 is a screen material for the peripheral surface, and usually L-shaped steel is used.

上記各梁材1a〜1dおよび2a〜2d、中間梁材３、底面スク
リーン材４、各柱材５および51、周面スクリーン材６は
それぞれ工場で上記のように所定の寸法、形状に成形さ
れ、こられの部材が現地までトラック等により輸送さ
れ、現地で次のようにして組立てられる。The beam members 1a to 1d and 2a to 2d, the intermediate beam member 3, the bottom surface screen member 4, the column members 5 and 51, and the peripheral surface screen member 6 are molded into predetermined dimensions and shapes as described above at the factory. These parts are transported to the site by trucks and assembled at the site as follows.

まず、下部において、左右の梁材1c,1dの先端部間およ
び後端部間に、前後の梁材2a,2bの両端をそれぞれ接合
して下部枠体を組立てる。すなわち一方の梁材1c,1dの
端部に設けた大フランジ材15上に他方の梁材2a,2bの端
部に設けた小フランジ材25を載置するとともに、この小
フランジ材25の側縁および先端縁が大フランジ材16の先
端縁および側縁より内方に位置するように配置する。こ
のとき、一方の梁材のガセットプレート17および20と他
方の梁材のウェブ23および13とが上下方向に一直線上に
位置するように調節することによって容易に位置決めで
きる。次いで、上記小フランジ部25より食出した大フラ
ンジ材15の上面において、小フランジ材25の側縁および
先端縁を大フランジ材15の上面に溶接する。これにより
下向き姿勢で水平方向の隅肉溶接となり、作業者の疲労
が少なく、容易に溶接でき、作業性を向上できる。First, in the lower part, both ends of the front and rear beam members 2a and 2b are joined between the front and rear ends of the left and right beam members 1c and 1d to assemble the lower frame body. That is, the small flange material 25 provided at the ends of the other beam 2a, 2b is placed on the large flange material 15 provided at the end of the one beam 1c, 1d, and the side of the small flange material 25 is placed. It is arranged so that the edge and the leading edge are located inward of the leading edge and the side edge of the large flange member 16. At this time, the gusset plates 17 and 20 of one beam member and the webs 23 and 13 of the other beam member can be easily positioned by adjusting them so that they are vertically aligned. Next, on the upper surface of the large flange material 15 protruding from the small flange portion 25, the side edge and the tip edge of the small flange material 25 are welded to the upper surface of the large flange material 15. As a result, the fillet welding in the horizontal direction is performed in the downward posture, the operator's fatigue is small, the welding can be performed easily, and the workability can be improved.

こうして下部の左右の梁材1c,1dと前後の梁材2a,2bの端
部同志を溶接により接合して平面矩形状の下部枠体を組
立て、次いで、前後の梁材2a,2bの中間部に中間梁材３
の両端を掛渡し、その両端を各梁材2a,2bの上面に溶接
により接合して所定の下部枠体を組立てる。この場合も
下向き姿勢で水平方向の隅肉溶接となり、作業者の疲労
が少なく、容易に溶接でき、作業性を向上できる。In this way, the lower left and right beam members 1c, 1d and the front and rear beam members 2a, 2b are joined together by welding to assemble a flat rectangular lower frame body, and then the middle portions of the front and rear beam members 2a, 2b are assembled. Intermediate beam 3
Both ends of the beam are suspended, and the both ends are joined to the upper surfaces of the beam members 2a and 2b by welding to assemble a predetermined lower frame body. Also in this case, the fillet welding in the horizontal direction is performed in the downward posture, the fatigue of the operator is small, the welding can be performed easily, and the workability can be improved.

上記下部枠体の組立て途中あるいは組立て後に、中間梁
材３と左右の梁材1c,1d間に底面スクリーン材としての
グレーチング４を嵌込み、その周辺部を各梁材1c,1d,2
a,2b,3に溶接により固着する。During or after assembling the lower frame body, a grating 4 as a bottom screen material is fitted between the intermediate beam member 3 and the left and right beam members 1c, 1d, and the peripheral portion thereof is provided with each beam member 1c, 1d, 2d.
It is fixed to a, 2b and 3 by welding.

一方、上部の各梁材1a,1bおよび2c,2dの各下面に、予め
各柱状５および51の上端を溶接しておく。このとき各梁
材1a,1bおよび2c,2dを上下反転させた状態で、その上面
（元の下面）に柱状５および51の下端（元の上端）を溶
接してそれらを一体化した後、上下反転させて元の状態
に戻す。こうすれば、溶接時に下向き姿勢で水平方向の
隅肉溶接が可能となり、作業性を向上できる。On the other hand, the upper ends of the pillars 5 and 51 are previously welded to the lower surfaces of the upper beam members 1a, 1b and 2c, 2d. At this time, after the beam members 1a, 1b and 2c, 2d are turned upside down, the lower ends (original upper ends) of the pillars 5 and 51 are welded to the upper surface (original lower surface) of the beams to integrate them, Turn it upside down and return to the original state. By doing so, it becomes possible to perform horizontal fillet welding in a downward posture during welding, and workability can be improved.

その後、上記下部枠体の前後の梁材2a,2bの上に、上部
前後の梁材1a,1bの下面に接合された各柱材５および51
の下端を載置して溶接により接合する。この場合も下向
き姿勢で水平方向の隅肉溶接により容易に接合できる。After that, on the beam members 2a and 2b before and after the lower frame body, the column members 5 and 51 joined to the lower surfaces of the beam members 1a and 1b before and after the upper portion.
The lower end of is placed and joined by welding. Also in this case, it is possible to easily join by the horizontal fillet welding in the downward posture.

次いで、上記下部枠体の左右の梁材1c,1dの上に、上部
左右の梁材2c,2dの下面に接合された各柱材５および51
の下端を載置するとともに、この左右の梁材2c,2dの両
端に設けた小フランジ材25を上部前後に梁材1a,1bの両
端に設けた大フランジ材15の上に載置し、各柱材5,51の
下端を下部枠体の左右の梁材1c,1dの上面に溶接により
接合するとともに、各フランジ材25,15同志を溶接によ
り接合することによって、立方体状の骨組を組立てる。
この場合も上記と同じ要領で、下向き姿勢で水平方向の
隅肉溶接により容易に接合できる。Then, on the left and right beam members 1c and 1d of the lower frame body, the pillar members 5 and 51 joined to the lower surfaces of the upper and left beam members 2c and 2d, respectively.
While placing the lower end of this, the small flange material 25 provided at both ends of the left and right beam members 2c, 2d is placed on the large flange member 15 provided at both ends of the beam members 1a, 1b at the front and rear of the upper part, The lower end of each pillar member 5,51 is welded to the upper surfaces of the left and right beam members 1c, 1d of the lower frame, and the flange members 25, 15 are joined by welding to assemble a cubic frame. .
Also in this case, in the same manner as described above, it is possible to easily perform the joining by the horizontal fillet welding in the downward posture.

その後、周面において、各柱状5,51間に跨がって周面ス
クリーン材６（第１図では省略）としてのアングル材を
溶接により接合することにより所定の人工魚礁用鋼製箱
枠Ａを組立て、この鋼製箱枠Ａ内に多数の石Ｂを詰込ん
だ後、クレーン船等により海底に沈設する。この場合、
必要に応じて上部枠体の上面たとえば梁材2c,2dの上面
に玉掛け用掛止具７を突設しておく。After that, on the peripheral surface, the angle material as the peripheral surface screen material 6 (not shown in FIG. 1) is joined by welding across the respective pillars 5 and 51, whereby a predetermined artificial fish reef steel box frame A is formed. After assembling and packing a large number of stones B in the steel box frame A, the steel box frame A is sunk on the seabed by a crane ship or the like. in this case,
If necessary, a slinging hook 7 is provided so as to project on the upper surface of the upper frame, for example, the upper surfaces of the beam members 2c and 2d.

他の実施例 上記鋼製箱枠Ａの組立て順序は、上記実施例の順序に限
らず、現地の状況、作業者の好み等に応じて任意に選定
しうるものである。Other Embodiments The order of assembling the steel box frame A is not limited to the order of the above embodiments, and can be arbitrarily selected according to the local situation, operator preference, and the like.

中間梁材３は一本だけに限らず、二本以上設けでもよ
く、また、省略してもよい。中間梁材３を上部枠体の梁
材1a,1b間もしくは2a,2d間に設けてもよい。The number of the intermediate beam members 3 is not limited to one, and two or more intermediate beam members 3 may be provided or may be omitted. The intermediate beam member 3 may be provided between the beam members 1a and 1b of the upper frame or between the beam members 2a and 2d.

底面のスクリーン材４はグレーチングに限らず、良好Ｌ
形鋼、Ｃ形鋼、Ｈ形鋼等の枠材または鋼管により構成し
てもよい。The screen material 4 on the bottom surface is not limited to the grating and is good L
It may be constituted by a frame material such as shaped steel, C-shaped steel, H-shaped steel, or a steel pipe.

各梁材1a〜1d、2a〜2dをそれぞれ長手方向に複数に分割
し、それらの梁材を、上記実施例で示したコーナー部に
おける接合手段と同じ要領で大フランジ材と小フランジ
材とを用いて長手方向に接合するようにしてもよい。Each of the beam members 1a to 1d and 2a to 2d is divided into a plurality in the longitudinal direction, and the beam members are divided into a large flange member and a small flange member in the same manner as the joining means in the corner portion shown in the above embodiment. You may use and it may make it join to a longitudinal direction.

上記実施例では立方体状の骨組を構成したが、三角柱
状、五角形以上の多角柱状等の多面体状に形成してもよ
い。Although the cubic frame is formed in the above embodiment, it may be formed in a polyhedral shape such as a triangular prism or a polygonal prism having five or more sides.

（発明の効果） 以上のように本発明は、大フランジ材と小フランジ材と
を介して各梁材同志を溶接することにより接合面積を大
きくでき、従来のボルト等による連結手段に比べて腐蝕
を少なくできるとともに、従来の溶接手段に比べて溶接
強度を高め、耐久性を大幅に向上できる。しかも、各梁
材の溶接ならびに各梁材と柱材との溶接の大部分を下向
き姿勢で水平方向の隅肉溶接によって容易に溶接でき、
溶接時の作業性を大幅に向上できる。従って、現地での
溶接作業の能率向上、時間の短縮が可能になるととも
に、大型のものでも組立て前の状態で嵩張らずに輸送し
て現地で容易に組立てることができ、部材数の節減等に
よりコストダウンを図ることができるものである。(Effects of the Invention) As described above, the present invention can increase the joint area by welding the beam members to each other through the large flange member and the small flange member, and is more corrosive than the conventional connecting means such as bolts. The welding strength can be increased and durability can be significantly improved as compared with the conventional welding means. Moreover, most of the welding of each beam and the welding of each beam and the column can be easily performed by the horizontal fillet welding in the downward posture,
Workability during welding can be greatly improved. Therefore, the efficiency of welding work at the site can be improved and the time can be shortened, and even large ones can be easily transported and assembled on-site without being bulky before assembly, resulting in a reduction in the number of parts, etc. The cost can be reduced.

【図面の簡単な説明】[Brief description of drawings]

第１図は本発明の実施例を示す斜視図、第２図はその梁
材同志の接合部の分解斜視図、第３図は縦断面図、第４
図は使用状態の斜視図である。 1a〜1d,2a,2d……梁材、４……底面スクリーン材、５…
…柱材、14……支持用切欠、15……大フランジ材、24…
…被支持用切欠、25……小フランジ材。FIG. 1 is a perspective view showing an embodiment of the present invention, FIG. 2 is an exploded perspective view of a joint portion of beam members, FIG. 3 is a longitudinal sectional view, and FIG.
The figure is a perspective view of a use state. 1a to 1d, 2a, 2d …… Beam material, 4 …… Bottom screen material, 5…
… Pillar material, 14 …… Support notch, 15 …… Large flange material, 24…
… Notches to be supported, 25… Small flange material.

Claims (1)

【特許請求の範囲】[Claims] 【請求項１】複数本の鋼製梁材により平面多角形状に形
成される上部枠体および下部枠体と、上下の梁材間に配
置される複数本の鋼製柱材とにより多面体状の骨組が構
成され、その骨組の上面を除く各面にスクリーン材が張
設されてなる鋼製箱枠であって、上部枠体および下部枠
体の各梁材同志の接合部において、一方の梁材の端部上
面に支持用切欠が形成されかつその切欠の上面部に接合
用大フランジ部が設けられ、他方の梁材の端部下面に被
支持用切欠が形成されかつその切欠の下面部に接合用小
フランジ部が設けられ、上記大フランジ部上に小フラン
ジ部が載置された状態で、小フランジ部の縁部が大フラ
ンジ部の上面に溶接されて両梁材同志が接合されている
ことを特徴とする人工魚礁用鋼製箱枠。1. A polyhedral structure comprising an upper frame body and a lower frame body formed of a plurality of steel beam members in a planar polygonal shape, and a plurality of steel column members arranged between upper and lower beam members. A steel box frame comprising a skeleton and screen materials stretched on each surface except the upper surface of the skeleton, wherein one beam is connected at the joint between the beam members of the upper frame and the lower frame. A supporting notch is formed on the upper surface of the end of the beam, and a large flange for joining is provided on the upper surface of the notch, and a supported notch is formed on the lower surface of the end of the other beam, and the lower surface of the notch is formed. In the state where the small flange portion for joining is provided on the large flange portion and the small flange portion is placed on the large flange portion, the edge portion of the small flange portion is welded to the upper surface of the large flange portion and both beam members are joined together. A steel box frame for artificial fish reef characterized by
JP62087476A 1987-04-08 1987-04-08 Steel box frame for artificial fish reef Expired - Lifetime JPH07114616B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62087476A JPH07114616B2 (en) 1987-04-08 1987-04-08 Steel box frame for artificial fish reef

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62087476A JPH07114616B2 (en) 1987-04-08 1987-04-08 Steel box frame for artificial fish reef

Publications (2)

Publication Number Publication Date
JPS63251027A JPS63251027A (en) 1988-10-18
JPH07114616B2 true JPH07114616B2 (en) 1995-12-13

Family

ID=13915975

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62087476A Expired - Lifetime JPH07114616B2 (en) 1987-04-08 1987-04-08 Steel box frame for artificial fish reef

Country Status (1)

Country Link
JP (1) JPH07114616B2 (en)

Also Published As

Publication number Publication date
JPS63251027A (en) 1988-10-18

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