JPS60227096A - Underground tank - Google Patents
Underground tankInfo
- Publication number
- JPS60227096A JPS60227096A JP59084860A JP8486084A JPS60227096A JP S60227096 A JPS60227096 A JP S60227096A JP 59084860 A JP59084860 A JP 59084860A JP 8486084 A JP8486084 A JP 8486084A JP S60227096 A JPS60227096 A JP S60227096A
- Authority
- JP
- Japan
- Prior art keywords
- water
- sidewall
- stop wall
- wall
- side wall
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/12—Arrangements or mounting of devices for preventing or minimising the effect of explosion ; Other safety measures
- F17C13/126—Arrangements or mounting of devices for preventing or minimising the effect of explosion ; Other safety measures for large storage containers for liquefied gas
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/01—Shape
- F17C2201/0104—Shape cylindrical
- F17C2201/0119—Shape cylindrical with flat end-piece
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2201/00—Vessel construction, in particular geometry, arrangement or size
- F17C2201/05—Size
- F17C2201/052—Size large (>1000 m3)
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2260/00—Purposes of gas storage and gas handling
- F17C2260/03—Dealing with losses
- F17C2260/035—Dealing with losses of fluid
- F17C2260/036—Avoiding leaks
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2260/00—Purposes of gas storage and gas handling
- F17C2260/04—Reducing risks and environmental impact
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2270/00—Applications
- F17C2270/01—Applications for fluid transport or storage
- F17C2270/0142—Applications for fluid transport or storage placed underground
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
Description
【発明の詳細な説明】
この発明は、ＬＮＧ、ＬＰＧ、あるいは石油等を貯蔵す
る地下タンクに関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an underground tank for storing LNG, LPG, oil, etc.
従来の地下タンクとして、第１図に示すものが知られて
いる。すなわち、建造地周囲を止水壁（たとえば連続地
中壁）１で囲み、その内部忙止水壁１から側壁２ｔ−離
してタンク本体３を設置し、かつタンク本体３の底版４
は、目地５を介して柔構造形式で側壁２に連結し、しか
もこの底版４を地下水位Ｈ以下に位置させた本のである
。As a conventional underground tank, the one shown in FIG. 1 is known. That is, the construction site is surrounded by a water stop wall (for example, a continuous underground wall) 1, and the tank body 3 is installed at a distance of 2t from the inner water stop wall 1, and the bottom plate 4 of the tank body 3 is
This is a book which is connected to the side wall 2 in a flexible structure via a joint 5, and this bottom plate 4 is located below the groundwater level H.
この形式のものでは、目地５からの漏水および底版４の
被圧を防ぐため、底版４下部処砕石１１６を設け、ここ
に集まる地下水（あるいはヒータ用温水）を揚水して、
タンク本体３の底部に水圧がかからないようにしている
。In this type, in order to prevent water leakage from the joint 5 and pressure on the bottom plate 4, a crushed stone 116 is provided at the bottom of the bottom plate 4, and the groundwater (or hot water for the heater) that collects there is pumped up.
Water pressure is not applied to the bottom of the tank body 3.
ところが、従来の地下タンクでは止水壁１と側壁２との
間の土中には外環境同様の地下水位Ｈ−が存在する。し
たがって、前記したように底版４下部の水圧を抜いた際
、この地下水位Ｈ′の圧力圧より、側部から図中Ａ部を
通って水や土砂が底版４下部に廻りこむおそれがある。However, in the conventional underground tank, a groundwater level H- similar to the outside environment exists in the soil between the water stop wall 1 and the side wall 2. Therefore, when the water pressure in the lower part of the bottom plate 4 is released as described above, there is a risk that water and earth and sand may enter the lower part of the bottom plate 4 from the side through the part A in the figure due to the pressure of this groundwater level H'.
このため、Ａ部には、それを防止するよう止水板や止水
コンクＩＪ ＋ト等の止水構造を設けることが必要不可
欠である。For this reason, it is essential to provide a water stop structure such as a water stop plate or a water stop concrete IJ + to prevent this from occurring in the A section.
この発明は、以上の点を考慮し、Ａ部に止水構造を講じ
る必要のない地下タンクを提供するものである。The present invention takes the above points into consideration and provides an underground tank that does not require a water-stop structure in part A.
この発明は、止水壁と地下タンクの側壁との間の空間か
ら地下水を排除するとともに、側壁をプレストレス−ト
コンクリート構造とした点に特徴を有する。This invention is characterized in that groundwater is excluded from the space between the water stop wall and the side wall of the underground tank, and the side wall is made of prestressed concrete structure.
以下、第２図を参照してこの発明の一実施一例を説明す
る。Hereinafter, one embodiment of the present invention will be described with reference to FIG.
止水壁１１で囲まれた内部には、側壁１２および底版１
４からなるタンク本体１３が、側壁１２を止水壁１１か
ら離して設置されている。そして、側壁１２と止水壁１
１との間の空間は、一旦掘削揚土して地下水を排除し、
側壁１２を構築した後に、埋め戻しである。また、従来
では周囲の地下水圧及び土圧により側壁に圧縮力を入れ
ていたが、この発明では側壁１２の周囲に地下水がない
ので、（１１１１壁１２’！ｔプレ、スト、レストコン
クリート構造にして必要な圧縮力をもたせである。Inside surrounded by the water stop wall 11, a side wall 12 and a bottom plate 1 are provided.
A tank body 13 consisting of 4 is installed with a side wall 12 separated from a water cutoff wall 11. Then, the side wall 12 and the water stop wall 1
1, excavate and lift soil to remove groundwater,
After building the sidewall 12, it is backfilled. In addition, in the past, compressive force was applied to the side wall by surrounding underground water pressure and earth pressure, but in this invention, since there is no groundwater around the side wall 12, (1111 wall 12'!t pre-stretched, rest concrete structure) This is to provide the necessary compressive force.
また、タンク本体１３の底版１４は、従来同様地下水位
Ｈ以下に位置しており、目地１５を介してピン結合等に
よる柔構造形式で側壁１２下部に連結されている。また
、底版１４の下部には砕石層１６が設けられ、そこにた
まる水（あるいはヒータ用温水）全揚水し、底版１４１
Ｃ水圧が作用しないようにしである。Further, the bottom plate 14 of the tank body 13 is located below the groundwater level H as in the conventional case, and is connected to the lower part of the side wall 12 via a joint 15 in a flexible structure such as by pin connection. In addition, a crushed stone layer 16 is provided at the bottom of the bottom plate 14, and all of the water accumulated there (or hot water for the heater) is pumped up and the bottom plate 141 is
C This is to prevent water pressure from acting on it.
したがって、上記構成の地下タンクは、底版１４下部の
水圧を抜く忙もかかわらず、止水壁１１と側壁１２との
間の空間部に地下水がないので、側部から土砂や水が側
壁１２と止水壁１１との間のすき間１７’ｔ？通って底
部に流れこむおそれはなく、前記すき間１７周辺に止水
構造を設ける必要がない。Therefore, in the underground tank having the above structure, even though the water pressure at the lower part of the bottom plate 14 is released, there is no groundwater in the space between the water-stop wall 11 and the side wall 12, so earth and sand and water leak from the side to the side wall 12. Gap 17't between water stop wall 11? There is no risk of water flowing through the gap and flowing into the bottom, and there is no need to provide a water stop structure around the gap 17.
以上述べたように、この発明の地下タンクは止水壁から
離してタンク本体の側壁を構築して、側壁と止水壁との
間の空間から地下水を排除した構造にしであるから、タ
ンク本体の底版下部の水圧を抜いても、側部から水や土
砂が底部に流れこむおそれはなく、側壁下部と止水壁と
のすき間周辺に止水構造を設ける必要はない。As described above, the underground tank of the present invention has a structure in which the side wall of the tank body is constructed apart from the water-stop wall, and groundwater is excluded from the space between the side wall and the water-stop wall. Even if the water pressure at the bottom of the bottom plate is released, there is no risk of water or dirt flowing into the bottom from the sides, and there is no need to provide a water stop structure around the gap between the bottom of the side wall and the water stop wall.
また、この地下タンクは、側壁をプレストレストコンク
リート構造にして、必要な圧縮力をもたせであるので、
側壁自体の厚さを小さくできる。In addition, the side walls of this underground tank are made of prestressed concrete to provide the necessary compressive force.
The thickness of the side wall itself can be reduced.
しかも、側壁に与えるプレストレスおよび土圧は、直接
かつ確実に加えることができるので、合理的な設計をす
ることができる。さらに、この地下タンクは、底版が柔
構造形式で側壁に連結されているので、剛構造形式の底
版に比べ、底版のコンクＩＪ−）［−１鉄筋量が少なく
てすみ、コストの低減および工期の短縮が図れる。Furthermore, since prestress and earth pressure can be applied directly and reliably to the side walls, rational design can be achieved. Furthermore, since the bottom slab of this underground tank is connected to the side wall in a flexible structure type, the amount of concrete IJ-)[-1 reinforcing bars in the bottom plate can be reduced compared to a rigid structure type bottom plate, reducing costs and construction time. can be shortened.
第１図は従来の地下タンクの断面１菌、＠２図はこの発
明の一実施例の断面図である。
１１・・・・・止水壁（図の例は連続地中壁）、１２・
・・・・側壁、１３・・・・・ タンク本体、１４・・
・・・底版、１５ ・・・・・目地。
第１図FIG. 1 is a cross-sectional view of a conventional underground tank, and FIG. 2 is a cross-sectional view of an embodiment of the present invention. 11... Water cutoff wall (the example in the figure is a continuous underground wall), 12.
...Side wall, 13... Tank body, 14...
... Bottom plate, 15 ... Joint. Figure 1
Claims (1)
から離してタンク本体が設置され、かつタンク本体の底
版が前記側壁の下ｆ４に目地を介して柔構造形式で連結
されるとともに、この底版が地下水位以下に位置シせら
れてなる地下タンクにおいて、前記止水壁と前記側壁と
の間に存在する空間から地下水を排除するとともに、前
記側壁をプレストレストコンクリート構造としたことｔ
−特徴とする地下タンク。A tank body is installed in an interior surrounded by a water-stop wall such as a continuous underground wall, with the side wall separated from the water-stop wall, and the bottom plate of the tank body is connected to the bottom f4 of the side wall through a joint in a flexible structure type. In an underground tank in which the bottom slab is located below the groundwater level, groundwater is excluded from the space existing between the water stop wall and the side wall, and the side wall is constructed with a prestressed concrete structure. What I did
- Features an underground tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59084860A JPS60227096A (en) | 1984-04-26 | 1984-04-26 | Underground tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59084860A JPS60227096A (en) | 1984-04-26 | 1984-04-26 | Underground tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60227096A true JPS60227096A (en) | 1985-11-12 |
Family
ID=13842560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59084860A Pending JPS60227096A (en) | 1984-04-26 | 1984-04-26 | Underground tank |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60227096A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57144400A (en) * | 1981-02-26 | 1982-09-06 | Taisei Corp | Low temperature underground tank |
| JPS5821099A (en) * | 1981-07-28 | 1983-02-07 | Tokyo Gas Co Ltd | Construction method for underground tank for low temperature liquefied gas storage |
-
1984
- 1984-04-26 JP JP59084860A patent/JPS60227096A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57144400A (en) * | 1981-02-26 | 1982-09-06 | Taisei Corp | Low temperature underground tank |
| JPS5821099A (en) * | 1981-07-28 | 1983-02-07 | Tokyo Gas Co Ltd | Construction method for underground tank for low temperature liquefied gas storage |
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