JP2814898B2 - Underground storage facility - Google Patents

Underground storage facility

Info

Publication number
JP2814898B2
JP2814898B2 JP5303918A JP30391893A JP2814898B2 JP 2814898 B2 JP2814898 B2 JP 2814898B2 JP 5303918 A JP5303918 A JP 5303918A JP 30391893 A JP30391893 A JP 30391893A JP 2814898 B2 JP2814898 B2 JP 2814898B2
Authority
JP
Japan
Prior art keywords
storage space
water
underground
supply
crushed stones
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 - Fee Related
Application number
JP5303918A
Other languages
Japanese (ja)
Other versions
JPH07156992A (en
Inventor
秀憲 守武
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.)
Kajima Corp
Original Assignee
Kajima Corp
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 Kajima Corp filed Critical Kajima Corp
Priority to JP5303918A priority Critical patent/JP2814898B2/en
Publication of JPH07156992A publication Critical patent/JPH07156992A/en
Application granted granted Critical
Publication of JP2814898B2 publication Critical patent/JP2814898B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【産業上の利用分野】この発明は、地下式利水ダムなど
に適用される地下貯留施設に関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an underground storage facility applied to an underground water dam.

【0002】[0002]

【従来の技術】例えば、湿地帯などの地下を利用して利
水用のダムを建設しようとする場合、単純に池を造った
場合、環境問題が発生する。このため、地下ダムの必要
性が生じるのであるが、従来の地下式利水ダムとして
は、図6に示すようなシールド工法によるトンネル式貯
留槽50、あるいは地面を掘削して地中にコンクリート
構造物を造るRC貯留槽60などがある。
2. Description of the Related Art For example, when a dam for water use is constructed by using an underground such as a wetland, or when a pond is simply constructed, an environmental problem occurs. For this reason, the necessity of an underground dam arises. As a conventional underground water dam, as shown in FIG. 6, a tunnel-type storage tank 50 by a shield method or a concrete structure underground by excavating the ground. There is an RC storage tank 60 for producing the slag.

【0003】[0003]

【発明が解決しようとする課題】しかしながら、前述の
ような従来の地中にシールドトンネルあるいはコンクリ
ート構造物で貯留槽を築造する場合、永久構造物である
との観点から対浮上がり、対地震など、貯留する物によ
っては過剰投資となり、コスト的に問題があり、事業的
に大きなネックとなっている。
However, when a storage tank is constructed with a shield tunnel or a concrete structure in the above-mentioned conventional underground as described above, floating, anti-earthquake, etc. are considered from the viewpoint of a permanent structure. However, depending on what is stored, there is an over-investment, which is problematic in terms of cost, and is a major business problem.

【0004】この発明は、前述のような事情に鑑みてな
されたもので、その目的は、必要機能を確保しつつ地下
貯留槽の製造コストの大幅な低減を図ることのできる地
下貯留施設を提供することにある。
The present invention has been made in view of the above-mentioned circumstances, and has as its object to provide an underground storage facility capable of significantly reducing the manufacturing cost of an underground storage tank while securing necessary functions. Is to do.

【0005】[0005]

【課題を解決するための手段】この発明は、トンネルあ
るいはコンクリートで空洞を築造する代わりに、砕石等
の空隙を利用して水を貯留するシステムである。具体的
には、第1の発明では、図1(a) 、図2に示すように、
地面を掘削して貯留空間を形成し、この貯留空間の底面
および側面に下部遮水工(遮水シートあるいはコンクリ
ートなど)を施し、この下部遮水工で囲まれた貯留空間
内に砕石類を充填すると共に、この砕石類の上面に上部
遮水工(遮水シートあるいはコンクリートなど)を施
、前記砕石類間に対して給排水が可能な給排水設備を
貯留空間内に埋設すると共に、貯留空間内と外部を連通
可能なエア抜き設備を前記上部遮水工の下部に埋設して
地下貯留施設が構成される。第2の発明では、図1(b)
、図4に示すように、遮水壁(土留壁)の内部を掘削
して貯留空間を形成し、この貯留空間の底面に下部遮水
工(遮水シートあるいはコンクリートなど)を施し、前
記遮水壁および下部遮水工で囲まれた貯留空間内に砕石
類を充填すると共に、この砕石類の上面に上部遮水工
(遮水シートあるいはコンクリートなど)を施し、前記
砕石類間に対して給排水が可能な給排水設備を貯留空間
内に埋設すると共に、貯留空間内と外部を連通可能なエ
ア抜き設備を前記上部遮水工の下部に埋設して地下貯留
施設が構成される
SUMMARY OF THE INVENTION The present invention is a system for storing water using voids such as crushed stones instead of building a cavity with a tunnel or concrete. Specifically, in the first invention, as shown in FIG. 1 (a) and FIG.
Drilling the ground to form a storage space, the bottom of this storage space
And lower side water blocking Engineering (such as water-barrier sheet or concrete) applied to, to fill the crushed stone such a storage space enclosed by the lower water barrier Engineering, upper water barrier Engineering (shielding to the upper surface of the crushed stone such Water sheet or concrete) to provide a water supply and drainage system that can supply and drain water between the crushed stones.
It is buried in the storage space and communicates inside and outside the storage space
By burying a possible air bleeding facility below the upper
An underground storage facility is constructed. In the second invention, FIG.
As shown in Fig. 4, the inside of the impermeable wall (retaining wall) is excavated
To form a storage space, and the bottom
After the construction (waterproof sheet or concrete)
Crushed stone in the storage space surrounded by the impermeable wall and the lower impermeable work
Crushed stones and the top
(Water impermeable sheet or concrete)
Water supply and drainage facilities that can supply and drain water between crushed stones
That can be buried inside and can communicate between the storage space and the outside.
Drainage equipment is buried under the upper impervious works and stored underground
The facility is configured .

【0006】[0006]

【作用】以上のような構成において、砕石類で充満した
貯留空間内に外部から給水する。給水された水は砕石類
の空隙に充填される。貯留空間の体積をVとし、砕石類
の空隙率をnとすれば、V×nの貯水量が得られる。
In the above construction, water is supplied from the outside into the storage space filled with crushed stones. The supplied water fills the voids of the crushed stones. Assuming that the volume of the storage space is V and the porosity of the crushed stone is n, a water storage amount of V × n can be obtained.

【0007】[0007]

【実施例】以下、この発明を図示する実施例に基づいて
説明する。図1(a),(b) は本発明の地下貯留施設の概要
を示す概略断面図、図2, 図3はディープウェルを用い
たドライ掘削式の例を示す断面図、平面図、図4,図5
は竣渫工法によるウェット掘削式の例を示す断面図、平
面図である。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below with reference to the illustrated embodiments. 1 (a) and 1 (b) are schematic sectional views showing an outline of the underground storage facility of the present invention, and FIGS. 2 and 3 are sectional views, plan views, and examples of a dry excavation type using a deep well. , FIG.
FIG. 2 is a cross-sectional view and a plan view showing an example of a wet excavation method using a completed leasing method.

【0008】図1(a),図2,図3に示すように、ドライ
掘削式の地下貯留施設1は、貯留空間2と、遮水壁3
と、下部遮水工4と、砕石類5と、給排水設備6と、上
部遮水工7と、エア抜き設備8とから構成されている。
As shown in FIGS. 1 (a), 2 and 3, a dry excavation type underground storage facility 1 includes a storage space 2 and an impermeable wall 3
And a lower water shield 4, a crushed stone 5, a water supply / drainage device 6, an upper water shield 7 and an air venting device 8.

【0009】貯留空間2は、シルト層aを掘削し、砂礫
層bを底面2Aとし、側面に二段の法面2Bを形成した
逆四角錐台の空間とする。この貯留空間2内に岩屑など
例えば0.25〜0.37程度の空隙率nを確保できる
砕石類5が投入される。
The storage space 2 is formed by excavating the silt layer a, setting the gravel layer b to the bottom surface 2A, and forming a two-sided slope 2B on the side surface. Crushed stones 5 capable of securing a porosity n of, for example, about 0.25 to 0.37, such as debris, are put into the storage space 2.

【0010】ここで、貯留空間2は、その有効容積V
が、有効貯水量をWとした場合、W/nとなるように掘
削すればよい。例えば、貯留空間2を約2000m四
方、有効貯留高さ(H)を11m程度、空隙率を0.2
5とすれば、約1000万m3 の貯水量が得られる。
Here, the storage space 2 has an effective volume V
However, when the effective water storage amount is W, the excavation may be performed so as to be W / n. For example, the storage space 2 is about 2000 m square, the effective storage height (H) is about 11 m, and the porosity is 0.2
Assuming that 5, a water storage of about 10 million m 3 can be obtained.

【0011】遮水壁3は、芯なしの連続地中壁(SM
W)であり、貯留空間2を取り囲むようにシルト・細砂
互層cまで打ち込み、さらに必要に応じて中仕切遮水壁
3aを施工する。法面2Bには表層改良工9を施す。
The impermeable wall 3 is a continuous underground wall (SM) without a core.
W), and drive into the alternate silt / fine sand layer c so as to surround the storage space 2, and further construct the partition partition impermeable wall 3a as necessary. The surface improvement work 9 is performed on the slope 2B.

【0012】下部遮水工4は、砕石4A(厚さ300m
m程度)と、この上のメッシュ入りコンクリート4B
(厚さ200mm程度)から構成し、底面2Aと法面2
Bに施工する。
The lower water shield 4 is a crushed stone 4A (300 m thick).
m), and concrete 4B with mesh on this
(Thickness: about 200mm), bottom surface 2A and slope 2
Install on B.

【0013】給排水設備6は、貯留空間2内に垂直に立
設された円筒状の給排水ピット6Aと、敷石5’内に埋
設した盲給排水管6Bとから構成する。盲給排水管6B
は例えば下部に給排水孔を多数配設するなどして貯留空
間2の底部に配設し、一端を給排水ピット6Aの下部に
連通させ、外部から貯留空間内に給水し、貯留空間内か
ら外部に排水できるようにする。
The water supply / drainage facility 6 comprises a cylindrical water supply / drainage pit 6A vertically erected in the storage space 2, and a blind water supply / drainage pipe 6B buried in the cobblestone 5 '. Blind supply and drainage pipe 6B
Is disposed at the bottom of the storage space 2 by, for example, arranging a large number of water supply and drain holes in the lower part, one end is communicated with the lower part of the water supply and drain pit 6A, water is supplied from outside to the storage space, and from the storage space to the outside. Allow drainage.

【0014】なお、盲給排水管6Bは例えば100m程
度のピッチで平行に多数配設し、給排水ピット6Aもこ
れに対応させて配設する。
A large number of blind supply / drainage pipes 6B are provided in parallel at a pitch of, for example, about 100 m, and a supply / drainage pit 6A is provided correspondingly.

【0015】上部遮水工7は、地面GLから所定深さの
位置に配置し、保護層7Bの上に厚さ2mm程度のゴム
製等の遮水シート7Aを設けて構成する。また、この保
護層7B内にエア抜き設備8のエア抜き管8Aを配設す
る。このエア抜き管8Aは、砕石類5の空隙内に水が充
填される際、この空隙内の空気を外部に放出するための
ものであり、下部に空気孔を多数配設するなどし、さら
に端部を外部に臨ませる。
The upper impermeable member 7 is arranged at a position at a predetermined depth from the ground GL, and is provided with a water impervious sheet 7A made of rubber or the like having a thickness of about 2 mm on the protective layer 7B. Further, an air bleeding pipe 8A of the air bleeding equipment 8 is provided in the protective layer 7B. This air vent pipe 8A is for releasing the air in this gap to the outside when water is filled in the gap of the crushed stones 5, and by arranging a large number of air holes in the lower part, etc. Make the end face outside.

【0016】以上のような構成において、次のようにデ
ィープウェルを併用したドライ施工を行う。
In the above configuration, dry construction using a deep well is performed as follows.

【0017】(1) 地下貯留槽の設置位置に準備工を施
す。
(1) Preparatory work is performed on the installation position of the underground storage tank.

【0018】(2) 遮水壁3と必要に応じて中仕切遮水壁
3Aを地中に築造する。
(2) The impermeable wall 3 and, if necessary, the partition impermeable wall 3A are constructed underground.

【0019】(3) 遮水壁3の内部にディープウェルを設
け、遮水壁3内部の土中水をディープウェルで汲み上
げ、シルト層aを改良する。
(3) A deep well is provided inside the impermeable wall 3, and soil water inside the impermeable wall 3 is pumped up by the deep well to improve the silt layer a.

【0020】(4) 遮水壁3の内側を掘削し、貯留空間2
を形成する。
(4) The inside of the impermeable wall 3 is excavated and the storage space 2 is excavated.
To form

【0021】(5) 貯留空間2の法面2Bに表面処理工9
を施す。
(5) Surface treatment 9 on the slope 2B of the storage space 2
Is applied.

【0022】(6) 貯留空間2の底面2Aと法面2Bに砕
石4Aを敷き詰め、この上にコンクリート4Bを舗装す
る。
(6) The crushed stone 4A is spread on the bottom surface 2A and the slope 2B of the storage space 2, and the concrete 4B is paved thereon.

【0023】(7) 底面2Aに盲給排水管6Bを配設す
る。
(7) A blind supply / drain pipe 6B is provided on the bottom surface 2A.

【0024】(8) 下部遮水工4が施された貯留空間2内
に砕石類(岩屑)5を投入する。
(8) Crushed stones (rock debris) 5 are put into the storage space 2 in which the lower water shield 4 has been applied.

【0025】(9) 砕石類5の上面にエア抜き管8Aを配
設するとともに、保護層7Bを敷き、この保護槽7Bの
上に遮水シート7Aを敷く。
(9) The air bleeding pipe 8A is provided on the upper surface of the crushed stones 5, the protective layer 7B is laid, and the impermeable sheet 7A is laid on the protective tank 7B.

【0026】(10) 遮水シート7Aの上を例えば2mの
覆土10で覆い、原形復旧させる。
(10) The impermeable sheet 7A is covered with, for example, a 2 m covering soil 10 to restore the original shape.

【0027】以上のような築造された地下貯留槽1にお
いて、次のように給排水を行う。
In the underground storage tank 1 constructed as described above, water supply and drainage are performed as follows.

【0028】 給排水ピット6Aに外部から給水す
る。
Water is supplied to the water supply / drain pit 6A from outside.

【0029】 給水された水は盲給排水管6Bを通っ
て砕石類5の空隙に充填される。この際、空隙内のエア
はエア抜き管8Aにより外部に放出され、供給された水
は速やかに空隙内に満たされる。
The supplied water is filled into the voids of the crushed stones 5 through the blind supply / drainage pipe 6B. At this time, the air in the gap is released to the outside by the air release pipe 8A, and the supplied water is quickly filled in the gap.

【0030】 貯留された水は、盲給排水管6Bを通
り、給排水ピット6Aから外部に排出される。この際
も、エア抜き管8Aにより外部からエアが供給され、速
やかに排出させることができる。
The stored water passes through the blind water supply / drainage pipe 6B and is discharged outside from the water supply / drainage pit 6A. At this time, the air is supplied from the outside by the air vent pipe 8A, and the air can be quickly discharged.

【0031】次に、竣渫工法によるウェット掘削式
下貯留施設11は、図1(b) ,図4,図5に示すよう
に、貯留空間12と、遮水壁13と、下部遮水工14
と、砕石類15と、給排水設備16と、上部遮水工17
と、エア抜き設備18とから構成されている。
Next, the land <br/> under storage facilities 11 wet drilling formula according竣渫construction method, FIG. 1 (b), the 4, as shown in FIG. 5, the storage space 12, impervious wall 13 And the lower impermeable 14
, Crushed stones 15, water supply and drainage equipment 16, and upper water shield 17
And an air release facility 18.

【0032】貯留空間12は、遮水壁13内のシルト層
aを掘削し、砂礫層bを底面12Aとし、遮水壁13を
側面とする直方体形状に形成する。この貯留空間12内
に前述のドライ式と同様の砕石類5が投入される。
The storage space 12 is formed in a rectangular parallelepiped shape by excavating the silt layer a in the impermeable wall 13, setting the gravel layer b to the bottom surface 12 A and the impermeable wall 13 to the side surface. The crushed stones 5 similar to the dry type described above are put into the storage space 12.

【0033】遮水壁13は、土留壁を兼ね、芯にH形鋼
が配設された連続地中壁(SMW)であり、砂礫層bま
で打ち込み、アースアンカー19で上端部を砂礫層bに
固定する。なお、この土留壁は、これに限らず、その他
のタイプでもよい。
The impermeable wall 13 is a continuous underground wall (SMW) in which an H-shaped steel is provided at the core, which also serves as an earth retaining wall, and is driven up to the gravel layer b. Fixed to. In addition, this retaining wall is not limited to this, and may be another type.

【0034】下部遮水工14は、必要に応じて布設され
たアスファルトマット14A(厚さ50mm程度)ある
いは土木シートと、この上の水中コンクリート14B
(厚さ500mm程度)からなり、底面12Aに施工す
る。
The lower water shield 14 comprises an asphalt mat 14A (about 50 mm thick) or a civil engineering sheet laid as necessary, and an underwater concrete 14B thereon.
(About 500 mm thick), and is applied to the bottom surface 12A.

【0035】給排水設備16は、ドライ式と同様、給排
水ピット16Aと、盲給排水管16Bとから構成する。
上部遮水工17も、遮水シート17Aと保護層17Bか
ら構成し、この保護層17B内にエア抜き管18Aを配
設する。
The water supply / drainage facility 16 comprises a water supply / drainage pit 16A and a blind water supply / drainage pipe 16B as in the dry type.
The upper water shield 17 also includes a water shield sheet 17A and a protective layer 17B, and an air vent pipe 18A is provided in the protective layer 17B.

【0036】以上のような構成において、次のように竣
渫工法を利用したウェット施工を海工事の概念で行う。
In the above-described configuration, wet construction utilizing the completion leasing method is performed based on the concept of marine construction as follows.

【0037】(1) 地下貯留槽の設置位置に準備工を施
す。
(1) Preparatory work is performed on the installation position of the underground storage tank.

【0038】(2) 遮水壁13を地中に築造する。(2) The impermeable wall 13 is constructed underground.

【0039】(3) アースアンカー19の下部を砂礫層b
に打ち込み、上部を遮水壁13の上端部に接続する。
(3) The lower part of the earth anchor 19 is a gravel layer b
And the upper part is connected to the upper end of the impermeable wall 13.

【0040】(4) 遮水壁13内を竣渫し、貯留空間12
を形成する。
(4) The inside of the impermeable wall 13 is completed and the storage space 12
To form

【0041】(5) 貯留空間12の底面12Bにアスファ
ルトマット14Aを布設する。
(5) An asphalt mat 14A is laid on the bottom surface 12B of the storage space 12.

【0042】(6) アスファルトマット14Aの上に水中
コンクリート14Bを打設する。
(6) The underwater concrete 14B is cast on the asphalt mat 14A.

【0043】(7) 底面12Aに盲給排水管16Bを配設
し、砕石15”を厚さ2m程度敷き詰める。
(7) A blind supply / drainage pipe 16B is provided on the bottom surface 12A, and crushed stone 15 "is spread about 2 m in thickness.

【0044】(8) 砕石15”の上に砕石類(岩屑)15
を投入する。
(8) Crushed stones (rock debris) 15 on crushed stones 15 "
Input.

【0045】(9) 砕石類15の上面にエア抜き管18A
を配設するとともに、保護層17Bを敷き、この保護槽
17Bの上に遮水シート17Aを敷く。
(9) An air release pipe 18A is provided on the upper surface of the crushed stones 15.
And a protective layer 17B is laid, and a water-impervious sheet 17A is laid on the protective tank 17B.

【0046】(10) 遮水シート17Aの上を例えば2m
の覆土20で覆い、原形復旧させる。
(10) For example, 2 m above the impermeable sheet 17A
And restore the original shape.

【0047】[0047]

【発明の効果】前述の通り、この発明の地下貯留施設
は、地面を掘削して形成し、掘削面に遮水工を施した貯
留空間内に砕石類を投入し、砕石類の空隙に水を充填さ
せるように構成したため、従来のトンネル式やRC式地
下貯槽のように、浮上がりや地震等に対する対策を必要
とせず、また大部分を砕石類から構成することができ、
必要機能を確保しつつ地下貯水槽の製造コストを大幅に
低減することができる。
As described above, the underground storage facility of the present invention is formed by excavating the ground, charging crushed stones into a storage space having an excavated surface, and introducing water into the voids of the crushed stones. Because it was configured to be filled, unlike conventional tunnel-type and RC-type underground storage tanks, there is no need for countermeasures against uplift or earthquakes, and most can be composed of crushed stones,
The manufacturing cost of the underground water storage tank can be significantly reduced while securing necessary functions.

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

【図1】この発明の地下貯留施設の概要を示す概略断面
図である。(a) は貯留空間の側面が法面の場合、(b) は
貯留空間の側面が土留壁の場合を示す。
FIG. 1 is a schematic sectional view showing an outline of an underground storage facility of the present invention. (a) shows the case where the side of the storage space is a slope, and (b) shows the case where the side of the storage space is a retaining wall.

【図2】この発明のディープウェルを用いたドライ掘削
式の地下貯留施設の例を示す断面図である。
FIG. 2 is a sectional view showing an example of a dry excavation type underground storage facility using a deep well according to the present invention.

【図3】図2の平面図である。FIG. 3 is a plan view of FIG. 2;

【図4】この発明の竣渫工法によるウェット掘削式の地
下貯留施設の例を示す断面図である。
FIG. 4 is a cross-sectional view showing an example of a wet excavation type underground storage facility according to the completion hedge method of the present invention.

【図5】図4の平面図である。FIG. 5 is a plan view of FIG. 4;

【図6】従来の地下貯留槽を示す概略断面図である。
(a) はトンネル式、(b) はRC地下貯留槽を示す。
FIG. 6 is a schematic sectional view showing a conventional underground storage tank.
(a) shows the tunnel type, and (b) shows the RC underground storage tank.

【符号の説明】[Explanation of symbols]

1…ドライ掘削式の地下貯留施設 2…貯留空間、2A…底面、2B…法面 3…遮水壁、3A…中仕切遮水壁 4…下部遮水工、4A…砕石、4B…コンクリート 5…砕石類 6…給排水設備、6A…給排水ピット、6B…盲給排水
管 7…上部遮水工、7A…遮水シート、7B…保護槽 8…エア抜き設備、8A…エア抜き管 9…表面処理工 10…覆土 11…ウエット掘削式の地下貯留施設 12…貯留空間、2A…底面 13…遮水壁(土留壁) 14…下部遮水工、14A…アスファルトマット、14
B…水中コンクリート 15…砕石類 16…給排水設備、16A…給排水ピット、16B…盲
給排水管 17…上部遮水工、17A…遮水シート、17B…保護
槽 18…エア抜き設備、18A…エア抜き管 19…アースアンカー 20…覆土
DESCRIPTION OF SYMBOLS 1 ... Dry excavation type underground storage facility 2 ... Storage space, 2A ... Bottom, 2B ... Slope 3 ... Water barrier 3A ... Middle partition water barrier 4 ... Lower water barrier 4A ... Crushed stone, 4B ... Concrete 5 ... Crushed stones 6 ... Plumbing facilities, 6A ... Plumbing pits, 6B ... Blind plumbing pipes 7 ... Upper waterproofing work, 7A ... Waterproof sheet, 7B ... Protection tank 8 ... Air venting facilities, 8A ... Air venting pipes 9 ... Construction 10: soil covering 11: wet excavation type underground storage facility 12: storage space, 2A: bottom surface 13: impermeable wall (earth retaining wall) 14: lower impermeable wall, 14A: asphalt mat, 14
B: Underwater concrete 15: Crushed stones 16: Water supply / drainage facilities, 16A: Water supply / drainage pit, 16B: Blind water supply / drainage pipe 17 ... Pipe 19: Earth anchor 20: Cover soil

Claims (2)

(57)【特許請求の範囲】(57) [Claims] 【請求項1】 地面を掘削して貯留空間を形成し、この
貯留空間の底面および側面に下部遮水工を施し、この下
部遮水工で囲まれた貯留空間内に砕石類を充填すると共
に、この砕石類の上面に上部遮水工を施し、前記砕石類
間に対して給排水が可能な給排水設備を貯留空間内に埋
設すると共に、貯留空間内と外部を連通可能なエア抜き
設備を前記上部遮水工の下部に埋設してなることを特徴
とする地下貯留施設。
1. A form a storage space by excavating the ground, subjected to lower water-impervious Engineering on the bottom and side surfaces of the storage space, filling Then co crushed stones such surrounded by storing space in the lower water barrier Engineering
In addition , the upper surface of this crushed stone
Water supply and drainage equipment that can supply and drain water between
Air vent that can communicate between the storage space and the outside.
An underground storage facility , wherein equipment is buried under the upper impermeable structure .
【請求項2】(2) 遮水壁の内部を掘削して貯留空間を形成Excavating the inside of the impermeable wall to form a storage space
し、この貯留空間の底面に下部遮水工を施し、前記遮水The lower part of this storage space is provided
壁および下部遮水工で囲まれた貯留空間内に砕石類を充Filling crushed stones in the storage space surrounded by walls and lower impervious works
填すると共に、この砕石類の上面に上部遮水工を施し、At the same time, the upper surface of this crushed stone is subjected to upper water impervious work,
前記砕石類間に対して給排水が可能な給排水設備を貯留Water supply and drainage equipment that can supply and drain water between the crushed stones is stored
空間内に埋設すると共に、貯留空間内と外部を連通可能Can be buried in the space and communicate between the storage space and the outside
なエア抜き設備を前記上部遮水工の下部に埋設してなるBuried in the lower part of the upper impermeable construction
ことを特徴とする地下貯留施設。Underground storage facility characterized by the following.
JP5303918A 1993-12-03 1993-12-03 Underground storage facility Expired - Fee Related JP2814898B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5303918A JP2814898B2 (en) 1993-12-03 1993-12-03 Underground storage facility

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5303918A JP2814898B2 (en) 1993-12-03 1993-12-03 Underground storage facility

Publications (2)

Publication Number Publication Date
JPH07156992A JPH07156992A (en) 1995-06-20
JP2814898B2 true JP2814898B2 (en) 1998-10-27

Family

ID=17926847

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5303918A Expired - Fee Related JP2814898B2 (en) 1993-12-03 1993-12-03 Underground storage facility

Country Status (1)

Country Link
JP (1) JP2814898B2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002235362A (en) * 2001-02-08 2002-08-23 Shinichiro Hayashi Tub having buoyancy measure
JP4927768B2 (en) * 2008-02-19 2012-05-09 古河電気工業株式会社 Irrigation structure
CN103422886A (en) 2013-08-14 2013-12-04 中国神华能源股份有限公司 Artificial retaining dam for coal mine distributed underground reservoir and damming method thereof
CN104041380B (en) * 2014-06-11 2016-06-15 江南园林有限公司 The water circulation coupling system of water scenery and treegarden irrigation
CN106759239B (en) * 2016-12-19 2019-10-18 河海大学 A kind of sand drain accelerating core wall rockfill dam core-wall discharging consolidation

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL53537A (en) * 1977-12-05 1980-03-31 Furman V Construction of subterranean storage tanks
JPS62111031A (en) * 1985-11-08 1987-05-22 Sgr Kk Rainwater irrigating artificial water storing method
JPH0786204B2 (en) * 1990-09-19 1995-09-20 パルモ株式会社 Green floor soil structure

Also Published As

Publication number Publication date
JPH07156992A (en) 1995-06-20

Similar Documents

Publication Publication Date Title
Matsuoka et al. A new earth reinforcement method using soilbags
JP4761780B2 (en) Construction method of impermeable layer
JP2004108142A (en) Method for construction of a control type revetment
JP2006225926A (en) Banking construction method utilizing backfilling material such as fluidized soil, pit sand, local soil and crushed stone
JP4410572B2 (en) Construction method of revetment for landfill
HU226433B1 (en) Foundation slab of underground passage for road
JP2814898B2 (en) Underground storage facility
JP3164988B2 (en) Underground water storage structure
Wong Methods of resisting hydrostatic uplift in substructures
JP2006183244A (en) Constructing structure for preventing thrusting flotation and frost heave of manhole and settlement, crack, waviness and frost heave of backfill soil on main pipe due to earthquake or the like
JP4315620B2 (en) Impermeable treatment method for managed waste landfill revetment
KR19990078994A (en) Method to construct a structure on soft soil and the structure thereof
GB2300009A (en) Foundations for poor soils
JP2004204524A (en) Consolidation-promotion reclamation construction method and consolidation-promotion reclamation structure
JP2612763B2 (en) Basic structure of structure
JP2004232232A (en) Reinforced earth method with impervious function
JP3325924B2 (en) Structure of underground storage infiltration facility
JPH08302661A (en) Mat constructing method for prevention of sand spout
JP2003001212A (en) Method confining contaminated soil into ground
JP2524537B2 (en) Foundation structure of underground structure
JP4606454B2 (en) Construction method of managed revetment
JP2927727B2 (en) Construction method of underground structure
JP3099039B2 (en) Embankment culvert
JP2668922B2 (en) Seismic structure of excavated road
JP5863915B1 (en) Liquefaction countermeasure structure on site

Legal Events

Date Code Title Description
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 19980714

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

LAPS Cancellation because of no payment of annual fees