JPS5828079Y2 - Submerged box - Google Patents
Submerged boxInfo
- Publication number
- JPS5828079Y2 JPS5828079Y2 JP1978136107U JP13610778U JPS5828079Y2 JP S5828079 Y2 JPS5828079 Y2 JP S5828079Y2 JP 1978136107 U JP1978136107 U JP 1978136107U JP 13610778 U JP13610778 U JP 13610778U JP S5828079 Y2 JPS5828079 Y2 JP S5828079Y2
- Authority
- JP
- Japan
- Prior art keywords
- steel shell
- steel
- reinforcing
- box
- immersed
- 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
Links
Description
【考案の詳細な説明】
本考案は海底や滞底に道路、地下鉄等を建設するのに用
いる沈埋函に関する。[Detailed Description of the Invention] The present invention relates to a submerged box used for constructing roads, subways, etc. on the ocean floor or on the bottom of the ocean.
近年、海底や滞底に道路、地下鉄等を建設するのに施工
の迅速化を図るために沈埋函を用いた工法が開発され、
実施されるようになった。In recent years, construction methods using immersed boxes have been developed to speed up the construction of roads, subways, etc. on the ocean floor or on the bottom of the ocean.
It is now implemented.
第１図Ｉ、■■およびＩＩＩは従来の沈埋函の一例を示
し、１１は鋼板よりなる鋼殻で、その断面形状は通常馬
蹄形あるいは長方形とされ図示の例では長方形とされて
いる。Figures I, ■■, and III show an example of a conventional immersed burial box, and 11 is a steel shell made of a steel plate, and its cross-sectional shape is usually horseshoe-shaped or rectangular, and in the illustrated example, it is rectangular.
１２は鋼殻１１を補強する補強梁（補強リブ）で、鋼殻
の周囲に設けられ通常Ｔ型鋼あるいはＨ型鋼が用いられ
る。Reference numeral 12 denotes a reinforcing beam (reinforcing rib) for reinforcing the steel shell 11, which is provided around the steel shell and is usually made of T-shaped steel or H-shaped steel.
このような沈埋函を製作するに際してはＴ型鋼あるいは
Ｈ型鋼でまず骨格（補強梁）を形成しそれに鋼板を張っ
て鋼殻とする。When manufacturing such an immersed box, a frame (reinforced beam) is first formed using T-shaped steel or H-shaped steel, and then steel plates are attached to it to form a steel shell.
ところで、従来の沈埋函は補強梁１２が鋼殻１１内（内
周）に設けられていたため次のような欠点があった。By the way, the conventional immersed burial box had the following drawbacks because the reinforcing beam 12 was provided inside the steel shell 11 (on the inner periphery).
（イ）補強梁の分だけ鋼殻内の有効断面が小さくなる。(a) The effective cross section within the steel shell becomes smaller due to the reinforcement beam.
（ロ）コンクリート打設のための鉄筋組立（第１図ＩＩ
Ｉに１４として示す。(b) Assembling reinforcing bars for concrete pouring (Fig. 1 II)
It is shown as 14 in I.
）が行われるが、補強梁等が邪魔になり鉄筋組立に多く
の時間を要する。), but reinforcing beams etc. get in the way and it takes a lot of time to assemble the reinforcing bars.
（ハ）コンクリート打設の際に補強梁が邪魔になってコ
ンクリートがよく詰まらない。(c) The reinforcing beams get in the way during concrete pouring and prevent concrete from clogging.
（ニ）補強梁を除いた部分から鉄筋を組立るため、鉄筋
コンクリートとしての有効断面が小さくなるために無駄
なコンクリートを打設し不経済である。(d) Since the reinforcing bars are assembled from the parts excluding the reinforcing beams, the effective cross section of the reinforced concrete becomes small, resulting in unnecessary concrete being poured, which is uneconomical.
本考案は従来の沈埋函の前述の欠点を解消すべくなされ
たもので゛、その目的とするところは、一つには鋼殻の
断面を有効に使用し、かつ鉄筋組立を容易にすると共に
無駄なコンクリート打設を行わないで済むようにした沈
埋函を提供するにある。The present invention was developed to eliminate the above-mentioned drawbacks of conventional immersed containers.The purpose of this invention is to effectively use the cross section of the steel shell, to facilitate the assembly of reinforcing bars, and to To provide an immersed box which eliminates unnecessary concrete pouring.
また他の一つは小断面の沈埋函であっても必要とする浮
力を得ることができて施工可能な沈埋函を提供するにあ
る。Another object is to provide a submerged box that can obtain the necessary buoyancy and can be constructed even if it has a small cross section.
前述の目的を達成するために本考案の沈埋函は、鋼殻を
周方向の補強梁にて補強してなる沈埋函において、少な
くとも鋼殻の上部および側部においては補強梁が鋼殻の
外周に設けられており、かつ鋼殻の側部外周に設けた補
強梁上には鉄板を張って浮力タンクが形成されている。In order to achieve the above-mentioned object, the immersed box of the present invention is an immersed box in which a steel shell is reinforced with reinforcing beams in the circumferential direction, and at least in the upper and side portions of the steel shell, the reinforcing beams are A buoyancy tank is formed by placing a steel plate on reinforcing beams provided on the outer periphery of the side of the steel shell.
以下第２図工ないしＶを参照し本考案の実施例を説明す
る。Embodiments of the present invention will be described below with reference to Figures 2 to 5.
図において１は鋼板よりなる鋼殻で、その断面形状はこ
の実施例では長方形とされている。In the figure, 1 is a steel shell made of a steel plate, and its cross-sectional shape is rectangular in this embodiment.
２は鋼殻１を補強する補強梁（補強リブ）で、Ｔ型鋼が
用いられており、補強梁２は鋼殻１の上部および側部に
おいては鋼殻１の外周に設けられており、また鋼殻１の
下部においては沈埋函の曳航時に曳航抵抗をできるだけ
小さくするように鋼殻１の内周に設けられている。Reference numeral 2 denotes a reinforcing beam (reinforcing rib) for reinforcing the steel shell 1, and T-shaped steel is used. The lower part of the steel shell 1 is provided on the inner periphery of the steel shell 1 so as to minimize towing resistance when the submerged box is towed.
４は浮力タンクで鋼殻１の側部外周に設けた補強梁２上
に鉄板３を張ることにより形成されており、鉄板３はボ
ルト取付けにして取外すことができるようにする。Reference numeral 4 denotes a buoyancy tank, which is formed by placing an iron plate 3 on a reinforcing beam 2 provided on the outer periphery of the side of a steel shell 1, and the iron plate 3 is attached with bolts so that it can be removed.
５は給水および排気のためのバルブである。5 is a valve for water supply and exhaust.
沈埋函は通常造船所において製作されて所定の個所まで
曳航され、鋼殻１内に鉄筋組立６を行いコンクリートを
打設して、海底あるいは滞底に予め敷設したマウンド上
に載置される。A submerged box is usually manufactured at a shipyard, towed to a predetermined location, reinforcing bars 6 are assembled inside the steel shell 1, concrete is poured, and the box is placed on a mound that has been laid in advance on the seabed or at the bottom.
本考案の沈埋函は、前述のようになっているので次のよ
うな優れた作用効果を奏するものである。The immersed burial box of the present invention is constructed as described above, and thus exhibits the following excellent effects.
（イ）補強梁の全部または多部分が鋼殻の外部に設けら
れているので、鋼殻断面を有効に使用できる。(a) Since all or most of the reinforcing beams are provided outside the steel shell, the cross section of the steel shell can be used effectively.
（ロ）鋼殻の上部および側部においては鋼殻内に補強梁
が設けられてないので、コンクリート打設のための鉄筋
組立が容易に施工できる。(b) Since no reinforcing beams are provided within the steel shell at the top and sides, reinforcing bars for concrete pouring can be easily assembled.
（ハ）鋼殻内に補強梁を設けた場合には補強梁が邪魔に
なりコンクリートがよく詰まらないが鋼殻の上部および
側部においては鋼殻外に補強梁が設けられているのでそ
のような障害がなくコンクリートが打設できる。(c) If reinforcing beams are provided inside the steel shell, the reinforcing beams will get in the way and will not clog the concrete well.However, reinforcing beams are provided outside the steel shell at the top and sides of the steel shell. Concrete can be poured without any obstacles.
（ニ）鋼殻の上部および側部においては鋼殻内に補強梁
が設けられていないので鉄筋組立が最少かぶりで施工で
きるため鉄筋コンクリートとしての有効断面は最大にと
れ経済的である。(d) Since no reinforcing beams are provided within the steel shell at the top and sides of the steel shell, the reinforcing bars can be assembled with minimal cover, so the effective cross section of reinforced concrete can be maximized, making it economical.
（ホ）浮力タンクにより小断面の沈埋函の施工が可能と
なる。(e) Buoyancy tanks enable the construction of submerged boxes with small cross sections.
（へ）浮力タンクにより沈埋函犠装時の乾舷調整ができ
る。(F) The buoyancy tank allows freeboard adjustment during sacrificial burial.
（ト）沈埋函の浮力に加え浮力タンクの浮力に相当する
重量のものを沈埋函の中に搭載できる。(g) In addition to the buoyancy of the immersed box, objects with a weight equivalent to the buoyancy of the buoyancy tank can be loaded into the immersed box.
（チ）沈埋函沈設荷重の調整ができ、その際浮力タンク
には通常水を入れるが場合によってはセメントモルタル
を入れてもよい。(h) The sinking load of the buoyancy tank can be adjusted, and the buoyancy tank is usually filled with water, but cement mortar may also be filled in some cases.
（す）沈埋函側部の補強梁が浮力タンクを構成する鉄板
で覆われているので曳航抵抗が小さくなる。(S) The reinforcing beams on the sides of the submerged box are covered with steel plates that make up the buoyancy tank, reducing towing resistance.
（ヌ）補強梁としてＴ型鋼を用いたので、鋼板を張って
浮力タンクを形成する場合に第２図ＩＩＩに示すように
Ｔ型鋼と鉄板との溶接作業が容易である。(v) Since the T-shaped steel is used as the reinforcing beam, when a buoyancy tank is formed by stretching steel plates, welding between the T-shaped steel and the steel plate is easy as shown in FIG. 2 III.
第１図■、ＩＩおよびＩＩＩは従来の沈埋函を示し、■
は横断面図、ＩＩは工の矢印Ａ方向よりみた平面図、Ｉ
ＩＩはＩＩのＡ−Ａ線断面で拡大して示す。
第２図Ｉ、Ｉｌ、ＩＩｌ、ＩＶおよびＶは本考案の沈埋
函を示し、■は横断面図、ＩＩは■の矢印Ａ方向よりみ
た平面図、ＩＩＩはＩＩのＡ−Ａ線断面図で拡大して示
し、ＩＶはＩの矢印Ｂ方向よりみた平面図、■はＩＶの
Ｂ−Ｂ線断面図で拡大して示す。
１・・・・・・鋼殻、２・・・・・・補強梁、３・・・
・・・鉄板、４・・・・・・浮力タンク、５・・・・・
・バルブ、６・・・・・・鉄筋。Figure 1 ■, II and III show conventional submerged burial boxes; ■
is a cross-sectional view, II is a plan view seen from the direction of arrow A of the construction, I
II is an enlarged cross-section taken along line A-A of II. Figures 2 I, Il, IIl, IV and V show the immersed burial box of the present invention, ■ is a cross-sectional view, II is a plan view seen from the direction of arrow A in ■, and III is a cross-sectional view taken along the line A-A of II. IV is a plan view of I viewed from the direction of arrow B, and ■ is an enlarged cross-sectional view of IV taken along line B-B. 1... Steel shell, 2... Reinforcement beam, 3...
... Iron plate, 4... Buoyancy tank, 5...
・Valve, 6...Reinforcing bar.
Claims (1)
埋函において、補強梁としてＴ型鋼を用い、その補強梁
は鋼殻の上部および側部においては鋼殻の外周に設けら
れ、また鋼殻の下部においては鋼殻の内周に設けられ、
その鋼殻の側部外周に設けた補強梁には鉄板が張られて
浮力タンクが形成されていることを特徴とする沈埋函。In an immersed box made of a steel shell made of a steel plate reinforced with circumferential reinforcing beams, T-shaped steel is used as the reinforcing beam, and the reinforcing beams are provided on the outer periphery of the steel shell at the top and sides of the steel shell, In addition, in the lower part of the steel shell, it is provided on the inner periphery of the steel shell,
A immersed burial box characterized by having a reinforcing beam provided on the outer periphery of the side of the steel shell covered with iron plates to form a buoyancy tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1978136107U JPS5828079Y2 (en) | 1978-10-05 | 1978-10-05 | Submerged box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1978136107U JPS5828079Y2 (en) | 1978-10-05 | 1978-10-05 | Submerged box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5554496U JPS5554496U (en) | 1980-04-12 |
| JPS5828079Y2 true JPS5828079Y2 (en) | 1983-06-18 |
Family
ID=29107033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1978136107U Expired JPS5828079Y2 (en) | 1978-10-05 | 1978-10-05 | Submerged box |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5828079Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5125946U (en) * | 1974-08-16 | 1976-02-25 |
-
1978
- 1978-10-05 JP JP1978136107U patent/JPS5828079Y2/en not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5125946U (en) * | 1974-08-16 | 1976-02-25 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5554496U (en) | 1980-04-12 |
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