JPH11323977A - Water stop structure for underwater tunnel - Google Patents
Water stop structure for underwater tunnelInfo
- Publication number
- JPH11323977A JPH11323977A JP10135246A JP13524698A JPH11323977A JP H11323977 A JPH11323977 A JP H11323977A JP 10135246 A JP10135246 A JP 10135246A JP 13524698 A JP13524698 A JP 13524698A JP H11323977 A JPH11323977 A JP H11323977A
- Authority
- JP
- Japan
- Prior art keywords
- water
- stop structure
- caisson
- box
- water stop
- 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
Landscapes
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、函体押出しによる
水底トンネルの止水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 waterproof structure for a water bottom tunnel by extruding a box.
【０００２】[0002]
【従来の技術】水底トンネル函体の止水方法として、 函体のエレメント自体を水密にする方法。 函体のエレメント内側に防水工を施す方法。 函体のエレメント外側に防水工を施す方法。 上記のうちの方法が最も多く用いられており、従来の
水底トンネル工法における止水構造は、函体が鋼殻構造
の場合は表面に露出する鋼板であり、函体が鉄筋コンク
リートの場合は、側面と底面を止水鋼板で止水構造と
し、上面（函体頂面）はゴム等のシート防水で止水構造
として施工されるのが一般的である。2. Description of the Related Art As a method for stopping water in a submerged tunnel box, a method of making the box element itself watertight. Waterproofing the inside of the box element. Waterproofing the outside of the box element. Of the above methods, the most commonly used is the water-stop structure in the conventional underwater tunnel construction method, where the box is a steel plate that is exposed on the surface if it is a steel shell structure, and the side wall is used when the box is reinforced concrete. In general, the bottom surface is made of a water-blocking steel plate to form a water-blocking structure, and the top surface (the top surface of the box) is generally constructed as a water-blocking structure with rubber or other sheet waterproof.
【０００３】しかし前記従来の構造では、全面あるいは
部分的にではあるが鋼板を使用しており、函体が半永久
的構造物であることを考えると、長期間に対応するため
の電気防食等の処理を施さなければならない。[0003] However, in the above-mentioned conventional structure, a steel plate is used although it is entirely or partially, and considering that the box is a semi-permanent structure, it is necessary to provide a long-term use such as anti-corrosion. Must be treated.
【０００４】[0004]
【発明が解決しようとする課題】上述したような従来の
水底トンネル工法における止水構造は、電気防食等の処
理費用が高価になるばかりでなく、メンテナンスを必要
とし、工期的にも長期間を要し、工期及び工費の面で不
経済であるという問題があった。The above-mentioned water-stopping structure in the conventional underwater tunnel construction method not only requires a high cost for treatment such as cathodic protection, but also requires maintenance, and requires a long construction period. In short, there is a problem that the construction period and construction cost are uneconomical.
【０００５】[0005]
【発明の目的】本発明は、上記のような問題点を解決す
るためになされたもので、長期間にわたり止水性を保
ち、電気防食等の高価な処理費用が不要で、工期の短縮
と工費の削減を図ることができる水底トンネルの止水構
造を提供することを目的とする。SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned problems, and has a long-term water-stopping property, does not require expensive treatment costs such as electrolytic protection, shortens the construction period, and reduces construction costs. It is an object of the present invention to provide a waterproof structure for a water bottom tunnel that can reduce the amount of water.
【０００６】[0006]
【課題を解決するための手段】上記課題を解決するため
の手段として、本発明は、連結させた函体群を順次水底
に押し出して構築する水底トンネルの止水構造におい
て、函体の外表面全周を耐腐食・耐磨耗材により止水構
造とし、函体の側面及び上面は、さらに防護コンクリー
トにより前記止水構造を保護する構造であることを特徴
とした、水底トンネルの止水構造を提供する。As a means for solving the above-mentioned problems, the present invention relates to a water-blocking structure of a submerged tunnel constructed by sequentially extruding a group of connected boxes to the bottom of a water, wherein the outer surface of the box is provided. The entire perimeter is made of a water-resistant structure using corrosion-resistant and abrasion-resistant materials, and the side and top surfaces of the box are further protected by the protective concrete to protect the water-stop structure. provide.
【０００７】また、上記水底トンネルの止水構造におい
て、函体底面の耐腐食・耐磨耗材による止水構造厚さ
は、函体の側面及び上面の止水構造厚さよりも厚くした
止水構造であることを特徴とした、水底トンネルの止水
構造を提供する。In the above water-stop structure of the underwater tunnel, the thickness of the water-stop structure made of the corrosion-resistant and abrasion-resistant material on the bottom surface of the case is larger than the thickness of the water-stop structure on the side and top surfaces of the case. The present invention provides a water-stop structure for an underwater tunnel, characterized in that:
【０００８】[0008]
【発明の実施の形態】以下、図面を参照しながら、本発
明の実施の形態について説明する。Embodiments of the present invention will be described below with reference to the drawings.
【０００９】＜イ＞止水構造の全体構成 図１は本発明による止水構造を示す断面図である。連結
された函体Ａを順次水底に押し出して構築する水底トン
ネルの止水構造において、函体Ａの外表面全周を耐腐食
・耐磨耗材（本実施の形態においては、たとえばステン
レス１）により止水構造とする。函体Ａの側面及び上面
は、さらに防護コンクリート２により前記止水構造Ａを
保護する構造とした止水構造である。<A> Overall Structure of Water-Stop Structure FIG. 1 is a sectional view showing a water-stop structure according to the present invention. In the watertight structure of the underwater tunnel constructed by sequentially extruding the connected boxes A to the bottom, the entire outer surface of the box A is made of a corrosion-resistant and abrasion-resistant material (for example, stainless steel 1 in this embodiment). Water-stop structure. The side surface and the upper surface of the box A have a waterproof structure in which the waterproof structure A is further protected by the protective concrete 2.
【００１０】＜ロ＞函体側面及び上面の止水構造 函体Ａの外表面全周は耐腐食・耐磨耗材、たとえばステ
ンレス１により止水構造を形成する。函体Ａの側面及び
上面には、ステンレス１上にさらに防護コンクリート２
を打設し、船舶の投錨等による破損事故から保護する構
造としている。<B> Water-stop Structure on Side and Top of Box A The entire outer surface of the box A is formed of a corrosion-resistant and abrasion-resistant material such as stainless steel 1 to form a water-stop structure. On the side and top surfaces of the box A, a protective concrete 2
To protect the ship from damage caused by anchorage of the ship.
【００１１】＜ハ＞函体底面の止水構造 函体Ａの外表面全周はステンレス１により止水構造が形
成されるが、函体Ａの底面のみ、側面及び上面の止水構
造厚さよりも厚くしたステンレス１による止水構造とし
ている。函体Ａを順次水底に押し出していく時、前記底
面は、函体Ａを支持する支承台３上を滑るための摩擦低
減及び耐磨耗の役割を果たすものである。<C> Water-stop structure on the bottom of the box A water-stop structure is formed by stainless steel 1 on the entire outer surface of the box A, but only from the bottom of the box A, the thickness of the water-stop structure on the side and top. The water stop structure is also made of a thick stainless steel 1. When the box A is sequentially pushed out to the bottom of the water, the bottom plays a role of friction reduction and abrasion resistance for sliding on the support 3 supporting the box A.
【００１２】[0012]
【作用】以下、本発明による水底トンネル止水構造の施
工について説明する。The construction of the underwater tunnel water stopping structure according to the present invention will be described below.
【００１３】＜イ＞函体全周面の止水施工 図１において、函体Ａは滑り支承４上に設置した支承台
３に支持されながら、順次水底に押し出されていく。函
体Ａを押し出す前に、函体Ａ全周面にステンレス１を設
置する。止水機能としてのステンレス１は、支承台３上
をスムーズに滑るための摩擦低減及び耐磨耗の役割も果
たすため、函体Ａの底面は上面及び側面の厚さよりも厚
いステンレス１としている。<A> Water-stopping work on the entire peripheral surface of the box In FIG. 1, the box A is sequentially pushed out to the bottom of the water while being supported by the bearing base 3 installed on the sliding bearing 4. Before extruding the box A, the stainless steel 1 is installed on the entire peripheral surface of the box A. Since the stainless steel 1 as a water stopping function also plays a role of reducing friction and abrasion resistance for smoothly sliding on the bearing base 3, the bottom surface of the box A is made of stainless steel 1 thicker than the upper surface and the side surfaces.
【００１４】＜ロ＞防護コンクリートの施工 函体Ａ全周面にステンレス１を設置後、函体Ａの上面及
び側面に防護コンクリート２を施工する。防護コンクリ
ート２の施工により、前記ステンレス１の保護を行うと
共に、函体Ａを船舶の投錨等による破損事故から保護で
きるものである。<B> Construction of protective concrete After the stainless steel 1 is installed on the entire peripheral surface of the box A, the protective concrete 2 is constructed on the top and side surfaces of the box A. The protection concrete 2 protects the stainless steel 1 and protects the case A from damage caused by anchoring of the ship.
【００１５】[0015]
【発明の効果】本発明は以上説明したようになるから、
次の効果を得ることができる。 ＜イ＞函体の上面及び側面を防護コンクリートで保護し
ているので、船舶の投錨等による破損事故から保護する
ことができる。 ＜ロ＞函体の底面は、厚いステンレス層としているの
で、確実な防水効果を発揮すると共に、函体を押し出す
時、確実・安全に施工することができる。 ＜ハ＞函体に電気防食を施す必要がなく、長期間にわた
り止水性を保つことができる。Since the present invention has been described above,
The following effects can be obtained. <B> Since the top and side surfaces of the box are protected by protective concrete, it can be protected from damage caused by anchoring of the ship. <B> Since the bottom surface of the box is made of a thick stainless steel layer, it provides a reliable waterproofing effect, and can be securely and safely constructed when extruding the box. <C> There is no need to apply electrolytic protection to the box, and the water stopping property can be maintained for a long period of time.
【図１】本発明による止水構造を示す断面図。FIG. 1 is a sectional view showing a water stopping structure according to the present invention.
Claims (2)
構築する水底トンネルの止水構造において、 函体の外表面全周を耐腐食・耐磨耗材により止水構造と
し、 函体の側面及び上面は、さらに防護コンクリートにより
前記止水構造を保護する構造であることを特徴とした、 水底トンネルの止水構造。1. A water-stop structure for a submerged tunnel constructed by sequentially extruding a group of connected boxes to the bottom of the water, wherein the entire outer surface of the box has a water-stop structure made of a corrosion-resistant and abrasion-resistant material. The water stoppage structure of an underwater tunnel, wherein the side surface and the top surface further have a structure for protecting the water stoppage structure with protective concrete.
において、 函体底面の耐腐食・耐磨耗材による止水構造の厚さは、
函体側面及び上面の止水構造の厚さよりも厚い止水構造
であることを特徴とした、 水底トンネルの止水構造。2. The waterproof structure of an underwater tunnel according to claim 1, wherein the thickness of the waterproof structure of the bottom surface of the box is made of a corrosion-resistant and abrasion-resistant material.
A water-stop structure for an underwater tunnel, characterized in that the water-stop structure is thicker than the water-stop structure on the side and top surfaces of the box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10135246A JPH11323977A (en) | 1998-05-18 | 1998-05-18 | Water stop structure for underwater tunnel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10135246A JPH11323977A (en) | 1998-05-18 | 1998-05-18 | Water stop structure for underwater tunnel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH11323977A true JPH11323977A (en) | 1999-11-26 |
Family
ID=15147230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10135246A Pending JPH11323977A (en) | 1998-05-18 | 1998-05-18 | Water stop structure for underwater tunnel |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH11323977A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103122642A (en) * | 2013-01-30 | 2013-05-29 | 上海市政工程设计研究总院（集团）有限公司 | Construction method of vertical post support change |
| CN106436762A (en) * | 2016-11-19 | 2017-02-22 | 中铁隧道勘测设计院有限公司 | Underwater channel |
| CN106638692A (en) * | 2017-01-11 | 2017-05-10 | 中铁隧道勘测设计院有限公司 | Joint connecting mechanism of immersed tunnel |
| CN106854876A (en) * | 2017-01-11 | 2017-06-16 | 中铁隧道勘测设计院有限公司 | A kind of joint connection manner of vacuum submerged tunnel |
| CN106894447A (en) * | 2017-01-11 | 2017-06-27 | 中铁隧道勘测设计院有限公司 | A kind of structure type in Seafloor sightseeing tunnel |
| CN108532629A (en) * | 2018-04-28 | 2018-09-14 | 安徽砼宇特构科技有限公司 | A kind of reinforced concrete pipe gallery of lightweight |
| JP2020045760A (en) * | 2018-09-20 | 2020-03-26 | 杜 地Ｄｉ ＤＵ | Sea tunnel |
-
1998
- 1998-05-18 JP JP10135246A patent/JPH11323977A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103122642A (en) * | 2013-01-30 | 2013-05-29 | 上海市政工程设计研究总院（集团）有限公司 | Construction method of vertical post support change |
| CN103122642B (en) * | 2013-01-30 | 2014-10-29 | 上海市政工程设计研究总院（集团）有限公司 | Construction method of vertical post support change |
| CN106436762A (en) * | 2016-11-19 | 2017-02-22 | 中铁隧道勘测设计院有限公司 | Underwater channel |
| CN106638692A (en) * | 2017-01-11 | 2017-05-10 | 中铁隧道勘测设计院有限公司 | Joint connecting mechanism of immersed tunnel |
| CN106854876A (en) * | 2017-01-11 | 2017-06-16 | 中铁隧道勘测设计院有限公司 | A kind of joint connection manner of vacuum submerged tunnel |
| CN106894447A (en) * | 2017-01-11 | 2017-06-27 | 中铁隧道勘测设计院有限公司 | A kind of structure type in Seafloor sightseeing tunnel |
| CN108532629A (en) * | 2018-04-28 | 2018-09-14 | 安徽砼宇特构科技有限公司 | A kind of reinforced concrete pipe gallery of lightweight |
| JP2020045760A (en) * | 2018-09-20 | 2020-03-26 | 杜 地Ｄｉ ＤＵ | Sea tunnel |
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