JPS5998919A - Compartment construction work in joint of concrete marine structure - Google Patents
Compartment construction work in joint of concrete marine structureInfo
- Publication number
- JPS5998919A JPS5998919A JP20763682A JP20763682A JPS5998919A JP S5998919 A JPS5998919 A JP S5998919A JP 20763682 A JP20763682 A JP 20763682A JP 20763682 A JP20763682 A JP 20763682A JP S5998919 A JPS5998919 A JP S5998919A
- Authority
- JP
- Japan
- Prior art keywords
- joint
- floating box
- blocks
- compartment
- floating
- 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.)
- Pending
Links
- 238000010276 construction Methods 0.000 title claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 18
- 239000010959 steel Substances 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 6
- 238000005192 partition Methods 0.000 abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 13
- 239000000853 adhesive Substances 0.000 abstract description 5
- 230000001070 adhesive effect Effects 0.000 abstract description 5
- 239000013535 sea water Substances 0.000 abstract description 5
- 238000007689 inspection Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 abstract 1
- 238000007789 sealing Methods 0.000 abstract 1
- 230000008439 repair process Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
- E02B17/0034—Maintenance, repair or inspection of offshore constructions
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は複数のコンクリート製の浮函ブロックを接合し
た海洋構造物（浮函）の接手部に区画を設ける工法に関
するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a construction method for providing a section at the joint of a marine structure (floating box) in which a plurality of concrete floating box blocks are joined together.
従来、海上管に浮設されたコンクＩＪ−）製ノ海洋構造
物（浮函）を製作するに当っては、第１図の側断面図に
示すごとく、あらかじめ製作された２個のコンクリート
製の浮函ブロックＩＡ、ＩＢを水面Ｗ上に浮べて、所定
の位置まで曳航し、浮函ブロック１Ａ及び１Ｂのそれぞ
れに設けた接手部２の而合せ部材６が対応するように位
置決めを行ない、一方の浮函ブロック１Ａのシース孔４
．５にＰＣ鋼線６を通し、それらの先端をシース孔４，
５から水面Ｗに出しておき、他方の浮函ブロック１Ｂの
シース孔４，５にはロープ７を通して、それらの先端を
水面Ｗに出しておく。Conventionally, when manufacturing a marine structure (floating box) made of concrete IJ-) floating on a marine pipe, two prefabricated concrete Float the floating box blocks IA and IB on the water surface W, tow them to a predetermined position, and position them so that the fitting members 6 of the joints 2 provided on each of the floating box blocks 1A and 1B correspond, Sheath hole 4 of one floating box block 1A
．． Pass the PC steel wire 6 through the sheath hole 4,
5 to the water surface W, the ropes 7 are passed through the sheath holes 4 and 5 of the other floating box block 1B, and their tips are brought out to the water surface W.
ソコで、各浮函ブロックＩＡ、ＩＢのシース孔４゜５か
らのｐｃ＠線６とロープ７とを第２図に示すごとく結び
付けた上、ロープ７の他端を浮函ブロック１Ｂの内部か
ら引張り、ＰＣ鋼線６を引き寄せ、更にＰＣｍ線６の両
端を第３図に示すごとくそれぞれの浮函ブロックＩＡ、
ＩＢの内部に設けであるジヤツキ８に連結して互に引き
寄せ骨。At the bottom, tie the PC@ wire 6 from the sheath hole 4°5 of each floating box block IA, IB to the rope 7 as shown in Fig. 2, and then connect the other end of the rope 7 from the inside of the floating box block 1B. Pull the PC steel wire 6, and then connect both ends of the PCm wire 6 to each floating box block IA, as shown in FIG.
The bones are connected to the jack 8 provided inside the IB and pulled together.
浮函ブロックＩＡ、ＩＢの対応する接手部２が相互に接
近するにつれて、各接手部２の凸状及び凹状のコーン形
をなす面合わせ部材６が互いに当接して、コーン形の斜
面に沿って挿入され、正規の位置に面合わせされ、ｐｃ
鋼線６を更に緊張することにより、面合わせ部材３が支
圧面となって第４図に示すごとく仮固定され、これと同
時に上水部材９でかこまれた区画部分１０が止水される
。As the corresponding joints 2 of the floating box blocks IA and IB approach each other, the convex and concave cone-shaped facing members 6 of each joint 2 come into contact with each other and move along the cone-shaped slope. Inserted, aligned in the correct position, PC
By further tensioning the steel wire 6, the facing member 3 becomes a bearing surface and is temporarily fixed as shown in FIG. 4, and at the same time, the partitioned portion 10 surrounded by the water supply member 9 is water-tightened.
次に、上部区画部分１０の海水を排出し、第５図の平断
面図に示すごとく、区画部分１０内にモルタル１１また
は接着剤を注入し、モルタル１１の硬化後に、図示され
ていない残りのシース孔にＰＣｉｉｌ１１線６を通し、
所定の張力に緊張し、定着させるようにしている。Next, the seawater in the upper section 10 is drained, and mortar 11 or adhesive is injected into the section 10 as shown in the plan cross-sectional view of FIG. Pass the PCiil11 wire 6 through the sheath hole,
It is tightened to a predetermined tension and fixed.
しかしながら、上記のごとく製作された海洋構造物岬函
）においては、浮函ブロック１Ａ及ヒ１Ｂの接手部２で
漏水が発生した場合、その補修が難かしいという問題が
あり、特に施工直後の止水が不完全であった場合、水密
補修が困難である。However, in the offshore structure (cape box) manufactured as described above, there is a problem in that if water leaks occur at the joints 2 of the floating box blocks 1A and 1B, it is difficult to repair it. If the water is incomplete, watertight repair is difficult.
そこで、本発明は前記従来の問題点を解決するためにな
されたものであり、コンクリート製の海洋構造物（浮函
）の結合部分の補修点検を容易にし、その結合部分に対
する信頼性の向上をはかることを目的としたものである
。Therefore, the present invention has been made to solve the above-mentioned conventional problems, and it facilitates repair and inspection of the joints of concrete marine structures (floating boxes) and improves the reliability of the joints. It is intended for measurement.
即ち、本発明のコンクリート製海洋構造物簿函）の接手
部に区画を設ける工法は、接手部にて相互に接合された
複数のコンクリート製の浮函ブロックからなる海洋構造
物（浮助においテ、各浮函ブロックのそれぞれの接手部
の端部隔壁を鋼材にて形成し、かつその、接手部に、上
記の各鋼材により形成された接手部に区画を設けると共
に、該浮函ブロック内から該接手部区画への出入りを可
能とするマンホール等を設けることにより構成される。That is, the construction method of providing a compartment at the joint of a concrete offshore structure book box of the present invention is suitable for constructing a marine structure (a floating structure book box) consisting of a plurality of concrete floating box blocks connected to each other at the joint. , the end partition of each joint part of each floating box block is formed of steel material, and the joint part is provided with a partition formed of each of the above-mentioned steel materials, and from inside the floating box block. It is constructed by providing a manhole or the like that allows access to and from the joint section.
以下図面を参照して本発明の海洋構造物咋函）の実施例
を説明するが、第６図は本発明の実施例における海洋構
造物咋函）の接合部分要部の側断面図である。Embodiments of the offshore structure (detailed box) of the present invention will be described below with reference to the drawings. FIG. .
まず、この海洋構造物は函）は、あらかじめ製作された
２個のコンクリート製の浮函ブロックＩＡ、ＩＢを接手
部２にて相互に接合させており、この接手部２に、上記
浮函ブロックＩＡ、ＩＢそれぞれの端部隔壁１２Ａ 、
１２Ｂから形成された接手部に区画１６を設けており
、更に、浮函ブロックＩＡ。First, this marine structure (a box) is made by joining two prefabricated concrete floating box blocks IA and IB to each other at a joint part 2, and the above-mentioned floating box block is attached to this joint part 2. End partition walls 12A of IA and IB,
A section 16 is provided in the joint portion formed from 12B, and further a floating box block IA.
１Ｂ内からこの接手部区画１６内への出入りを可能にす
るマンホール１９を端部隔壁１２Ａ、ｆ２Ｂ にそれぞ
れ設けている。A manhole 19 is provided in each of the end partition walls 12A and f2B to enable entry and exit into the joint section 16 from within the joint section 1B.
上記の接手部区画１６を形成している各浮函ブロックＩ
Ａ、ＩＢそれぞれの接手部２の端部隔壁１２Ａ、１２Ｂ
は、鋼材にて形成されており、鋼製の端部隔壁１２Ａ
、 １２ＢとコンクＩＪ ）との境界部は、接着剤を
塗布することにより水密性を十分確保している。Each floating box block I forming the above-mentioned joint section 16
End partition walls 12A and 12B of joint part 2 of A and IB respectively
is made of steel, and the steel end partition 12A
, 12B and the conch IJ), sufficient watertightness is ensured by applying adhesive.
次に、上記の構成からなる本発明の海洋構造物（浮面を
製作するに当っては、浮函ブロック１Ａ及び１Ｂを接合
させることになり、第７図の側面図及び第８図の要部斜
視図に示すごとく、浮函ブロックＩＡ、１Ｂの上部に設
けたチェーンブロック固定用治具１３に対してブロック
引寄せ用のチェーンブロック１４を取り付は両者を徐々
に引き寄せる。Next, in manufacturing the marine structure (floating surface) of the present invention having the above-mentioned configuration, the floating box blocks 1A and 1B are joined, and the side view shown in FIG. 7 and the main parts shown in FIG. As shown in the perspective view, a chain block 14 for pulling the blocks is attached to a chain block fixing jig 13 provided on the upper part of the floating box blocks IA, 1B to gradually draw them together.
この場合、浮函ブロックＩＡ、ＩＢの各接手部２が突然
衝突することを避けるために、あらかじめ古タイヤ１５
などの緩衝材を取り付けておくと良い。In this case, in order to avoid a sudden collision between the joints 2 of the floating box blocks IA and IB, the old tires 15
It is a good idea to attach some cushioning material.
また、接手部２の各対応面には、第６図に示すごとき面
合わせ部材６を設けておき、接合部の面合わせが完了し
たら、側壁の吃水線上のシース孔４にＰＣ鋼線６を通し
、これを第３図の従来例に示したと同様のジヤツキ８に
より緊張する。その際、−各々の接手部２の接合面には
、エポキシ樹脂糸などの接着材を塗布しておく。これに
より正水性が保たれる。In addition, a matching member 6 as shown in FIG. 6 is provided on each corresponding surface of the joint part 2, and when the matching of the joint parts is completed, the PC steel wire 6 is inserted into the sheath hole 4 on the water line of the side wall. This is then tensioned by a jack 8 similar to that shown in the conventional example shown in FIG. At this time, an adhesive such as epoxy resin thread is applied to the joint surface of each joint part 2. This maintains the water quality.
次に第６図に示′したごとく、浮函ブロック１Ａ内に設
置したポンプ１７によって、端部隔壁１２Ａ。Next, as shown in FIG. 6, the end partition wall 12A is pumped by the pump 17 installed inside the floating box block 1A.
１２Ｂで形成された接手部区画１６の海水を排水するＯ
この場合、浮函ブロック１人内に設けた水位計１８を見
ながら、接手部区画１６内の水位の低下にあわせて順次
上から下ヘシース孔４にＰＣ鋼線６を入れて緊張して行
くが、水面下にあるシース孔４には海水の侵入防止用の
蓋がしてあり、上記のごとく水位が低下し゛Ｃシース孔
４が水面上に出たら、その蓋を外して、シース孔４の中
に溜った海水を排水すると共にシースの洗浄を行なって
ＰＣ鋼線６を挿入するようにしている。Drain the seawater from the joint section 16 formed by the joint section 12B. The PC steel wire 6 is put into the hesheath hole 4 and becomes tense, but the sheath hole 4 below the water surface has a lid to prevent seawater from entering, and as mentioned above, the water level drops and the C sheath hole 4 Once on the water surface, the lid is removed, the seawater accumulated in the sheath hole 4 is drained, the sheath is cleaned, and the PC steel wire 6 is inserted.
そこで、第９図の側面図及び第１０図の平面図に示すご
とく、全てのシース孔４のｐｃ鋼線６の緊張が完了した
後、浮函ブロックＩＡ、ＩＢの端部隔壁１２Ａ 、 １
２Ｂに設けたマンホール１９から作業員が接手部区画１
６に入り、接手部２の接着部分に止水用の目し剤を塗る
。Therefore, as shown in the side view of FIG. 9 and the plan view of FIG. 10, after the tensioning of the PC steel wires 6 in all the sheath holes 4 is completed, the end partition walls 12A and 1 of the floating box blocks IA and IB are removed.
A worker accesses the joint section 1 from the manhole 19 provided in 2B.
Step 6: Apply a waterproof eyeliner to the adhesive part of the joint 2.
なお、マンホール１９は各浮函ブロックＩＡ、ＩＢの端
部隔壁１２Ａ１または１２Ｂのいづれか１個所に設けて
も良く、常時は蓋部材などでカバーしておき、接手部区
画１６内の点検補修時にカバーを外して作業員が通れる
ようにしておくことができる。The manhole 19 may be provided at either one of the end partition walls 12A1 or 12B of each floating box block IA and IB, and it is always covered with a cover member or the like, and when the inside of the joint section 16 is inspected and repaired, the manhole 19 is provided. can be removed to allow workers to pass through.
従って、本発明のコンクリート製海洋構造物（浮函）で
は、その接手部に接手部区画を設けており、その接手部
区画内に浮函ブロックから作業員の出入りが可能である
ので、接手部の水密性を長期的に検査可能であり、しか
もその接手部に漏水があった場合でも、その補修が容易
である。Therefore, in the concrete offshore structure (floating box) of the present invention, a joint section is provided at the joint section, and a worker can enter and exit from the floating box block into the joint section. It is possible to test the watertightness of the joint over a long period of time, and even if there is a leak in the joint, it can be easily repaired.
特に、施工直後に止水が不完全であった場合でも、水密
補修が可能であり、海洋構造物（浮函）の接合部分に対
する信頼性の向上をはかる上で本発明は極めて有効であ
る。In particular, even if watertightness is incomplete immediately after construction, watertight repairs are possible, and the present invention is extremely effective in improving the reliability of joints of marine structures (floating boxes).
また、本発明では、接手部区画を形成している端部隔壁
が鋼製であるので、コンクリート製隔壁とした場合に比
較して重量を軽減できると共に、この浮函ブロック製作
時に、端部隔壁がコンクＩＪ −ト製の場合に必要な型
枠が不要となり、施工も容易で、かつ工作が容易であり
、更に、各浮函ブロック間を貫通する給水管、その他の
犠装品の取付は工事及び変更工事が容易になるという利
点がある。In addition, in the present invention, since the end partition forming the joint section is made of steel, the weight can be reduced compared to a case where the partition is made of concrete. The formwork required when the block is made of concrete IJ-t is unnecessary, construction is easy, and the work is easy.Furthermore, the installation of water supply pipes and other sacrificial items that pass between each floating box block is easy. This has the advantage of making construction and modification work easier.
更には、必要に応じて各浮函ブロック間の端部隔壁自身
の撤去も可能であるという利点もある。A further advantage is that the end partitions between the floating box blocks themselves can be removed if necessary.
第１図、第２図、第３図及び第４図は従来のコンクリー
ト製海洋構造物（浮函）の接合状態を説明する一連の要
部側断面図、第５図は第４図の接合部に形成された区画
部分にモルタルを注入した完成状態を示す要部平断面図
、第６図は本発明の実施例における海洋構造物（浮函）
の結合部分要部の側断面図、第７図は第６図の浮函ブロ
ックの接合状態を示す側面図、第８図は第７図の要部斜
視図、第９図は第６図の海洋構造物（浮卸の完成後の側
面図、第１０図は第９図の平面図である。
ＩＡ、ＩＢ・・浮函ブロック、２・・・接手部、１２Ａ
。
１２Ｂ・・・端部隔壁、１６・・・接手区画、１９・・
・マンホール。
代理人 弁理士 小 川 信 −
弁理士 野 口 賢 照
弁理士 斎下和彦Figures 1, 2, 3, and 4 are a series of side sectional views of main parts explaining the joint state of conventional concrete offshore structures (floating boxes), and Figure 5 is the joint of Figure 4. Fig. 6 is a plan cross-sectional view of the main part showing the completed state in which mortar is injected into the compartments formed in the section, and Fig. 6 is a marine structure (floating box) in an embodiment of the present invention.
FIG. 7 is a side view showing the joined state of the floating box block in FIG. 6, FIG. 8 is a perspective view of the main part in FIG. 7, and FIG. Marine structure (side view after completion of floating structure, Figure 10 is a plan view of Figure 9. IA, IB... floating box block, 2... joint part, 12A
. 12B... End partition wall, 16... Joint section, 19...
·manhole. Agent: Patent Attorney Makoto Ogawa − Patent Attorney: Ken Noguchi Patent Attorney: Kazuhiko Saishita
Claims (1)
函ブロックからなる海洋構造物において、各浮函ブロッ
クのそれぞれの接手部の端部隔壁を鋼材にて形成し、か
つその接手部に、上記の各鋼材により形成された接手部
に区画を設けると共に、該浮函ブロック内から該接手部
区画への出入りを可能とするマンホール等を設けたこと
を特徴とするコンクリート製海洋構造物の接手部に区画
を設ける工法。In a marine structure consisting of a plurality of concrete floating blocks connected to each other at joints, the end bulkhead of each joint of each floating box block is formed of steel material, and the joints include: A joint of a concrete offshore structure characterized in that a joint formed of each of the above-mentioned steel materials is provided with a compartment, and a manhole or the like is provided to enable access from inside the floating box block to the joint compartment. A construction method that creates divisions in sections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20763682A JPS5998919A (en) | 1982-11-29 | 1982-11-29 | Compartment construction work in joint of concrete marine structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20763682A JPS5998919A (en) | 1982-11-29 | 1982-11-29 | Compartment construction work in joint of concrete marine structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5998919A true JPS5998919A (en) | 1984-06-07 |
Family
ID=16543067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20763682A Pending JPS5998919A (en) | 1982-11-29 | 1982-11-29 | Compartment construction work in joint of concrete marine structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5998919A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012233363A (en) * | 2011-05-06 | 2012-11-29 | Penta Ocean Construction Co Ltd | Underwater structure contacting protection member and underwater structure installation method |
| CN104074130A (en) * | 2014-07-16 | 2014-10-01 | 山东莱钢建设有限公司 | Abutting-connecting opening connecting structure of box-type bridge single body and box-type bridge |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5146338A (en) * | 1974-10-18 | 1976-04-20 | Joto Kagaku Kogyo Kk | Netsukokaseijushino kokahoho |
-
1982
- 1982-11-29 JP JP20763682A patent/JPS5998919A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5146338A (en) * | 1974-10-18 | 1976-04-20 | Joto Kagaku Kogyo Kk | Netsukokaseijushino kokahoho |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012233363A (en) * | 2011-05-06 | 2012-11-29 | Penta Ocean Construction Co Ltd | Underwater structure contacting protection member and underwater structure installation method |
| CN104074130A (en) * | 2014-07-16 | 2014-10-01 | 山东莱钢建设有限公司 | Abutting-connecting opening connecting structure of box-type bridge single body and box-type bridge |
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