JPH06185079A - Sump water pit structure of underground foundation - Google Patents

Sump water pit structure of underground foundation

Info

Publication number
JPH06185079A
JPH06185079A JP4337128A JP33712892A JPH06185079A JP H06185079 A JPH06185079 A JP H06185079A JP 4337128 A JP4337128 A JP 4337128A JP 33712892 A JP33712892 A JP 33712892A JP H06185079 A JPH06185079 A JP H06185079A
Authority
JP
Japan
Prior art keywords
spring
pit
foundation
waterproofing membrane
filler
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.)
Withdrawn
Application number
JP4337128A
Other languages
Japanese (ja)
Inventor
Hiroshi Katsumata
浩 勝間田
Original Assignee
Kajima Corp
鹿島建設株式会社
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, 鹿島建設株式会社 filed Critical Kajima Corp
Priority to JP4337128A priority Critical patent/JPH06185079A/en
Publication of JPH06185079A publication Critical patent/JPH06185079A/en
Withdrawn legal-status Critical Current

Links

Abstract

PURPOSE:To prevent flow or stoppage of sump water by laying and arranging seepage water treatment blocks on foundation slab and by providing waterproofing membrane over the blocks and putting heavyweight filler further on the waterproofing membrane. CONSTITUTION:A sump water pit 1 is provided with a footing beam 2, a foundation slab 3 and the lowest floor slab 4. Then, seepage water treatment blocks 6 are laid and arranged all over the foundation slab 3. A waterproofing membrane 7 is provided further on the blocks 6. A heavyweight filler 8 is put on the waterproofing membrane 7. The above structure facilitates draining from the seepage water pit 1, does not bring about obstruction of drainage for a long time, and prevents moisture from coming into the basement because between the seepage water treatment blocks 6 and the heavyweight filler 8 the waterproofing membrane 7 is provided.

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、地下基礎の湧水ピッ
ト構造に関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an underground foundation spring pit structure.

【0002】[0002]

【従来の技術】従来の地下室を有する建築物の地下基礎
は、図2に示すように、基礎全体をべた基礎とし、湧水
ピット1を基礎梁2、基礎スラブ3、最下階床スラブ4
から構成し、土圧壁5から滲み込む湧水を排水管9によ
り湧水ピット1に集めて、排水管10により外部に排出
するようになっており、また湧水ピット1内上面にはポ
リエチレンフィルム7′を敷設して、最下階床スラブ4
を防水するようになっている。
2. Description of the Related Art As shown in FIG. 2, an underground foundation of a conventional building having a basement is a solid foundation, and a spring pit 1 is a foundation beam 2, a foundation slab 3, and a floor slab 4 at the bottom floor.
The drainage pipe 9 collects the spring water seeping from the earth pressure wall 5 into the spring pit 1, and the drainage pipe 10 discharges the spring water to the outside. Laying a film 7 ', the bottom floor slab 4
Is designed to be waterproof.

【0003】このような湧水ピットでは、例えば地下水
位が高い立地に建築された比較的低階数の建築物の場
合、基礎スラブ3等に作用する地下水圧に比して建築物
全体の荷重が軽いため、建築物が浮き上がるおそれがあ
り、また塔状の建築物の場合には、地震時に基礎梁に上
方への引抜き力が生じることもあるため、従来、前記湧
水ピット1内に砂利8′を充填して、重りとしていた。
In such a spring pit, for example, in the case of a relatively low-floor building constructed in a location where the groundwater level is high, the load of the entire building is higher than the groundwater pressure acting on the foundation slab 3 and the like. Since it is light, the structure may rise, and in the case of a tower-shaped structure, an upward pulling force may be generated on the foundation beam during an earthquake. It was filled with ′ and used as a weight.

【0004】しかしながら、このような砂利を充填した
湧水ピットの場合、湧水ピット内での水の流れが悪く、
排水に手間取ったり、湿気が地下室内に上昇したり、あ
るいは長期間の間に湧水が詰まり排水困難となるなどの
問題があった。
However, in the case of a spring pit filled with such gravel, the flow of water in the spring pit is poor and
There were problems such as time-consuming drainage, rising humidity in the basement, and difficulty in draining due to blocked spring water for a long period of time.

【0005】[0005]

【発明が解決しようとする課題】そこで、この発明は、
湧水の流れや詰まりを改善した地下基礎の湧水ピット構
造を提供することを目的とする。
Therefore, the present invention is
The purpose is to provide a spring pit structure with an underground foundation that improves the flow and clogging of spring water.

【0006】[0006]

【課題を解決するための手段】即ち、この発明は、地下
基礎の湧水ピットを構成する基礎スラブ上に湧水処理ブ
ロックを敷き並べ、該湧水処理ブロック上に防水層を設
け、さらに該防水層上に重量充填材を充填したことを特
徴とする地下基礎の湧水ピット構造に関する。
That is, according to the present invention, a spring treatment block is laid on a foundation slab that constitutes a spring pit of an underground foundation, and a waterproof layer is provided on the spring treatment block. A spring pit structure for an underground foundation, characterized in that a heavy packing material is filled on the waterproof layer.

【0007】以下、主に図1を参照して、この発明を詳
細に説明する。
The present invention will be described in detail below mainly with reference to FIG.

【0008】この発明の湧水ピット構造において、湧水
ピット1を基礎梁2、基礎スラブ3および最下階床スラ
ブ4から構成し、基礎スラブ2、土圧壁5等からにじみ
込む水を湧水ピットを経て外部に排出するのは、従来と
同様である。但し、この発明では、湧水ピット1を構成
する基礎スラブ3の上一面に、排水性の良好な湧水ブロ
ック6を敷き並べ、湧水処理ブロック6の上に防水層7
を設け、さらに防水層7の上に重量充填材8を充填す
る。
In the spring pit structure of the present invention, the spring pit 1 is composed of a foundation beam 2, a foundation slab 3 and a floor slab 4 at the bottom floor so that water seeping from the foundation slab 2, earth pressure wall 5, etc. The discharge to the outside through the water pit is the same as the conventional one. However, in the present invention, the spring block 6 having a good drainage property is laid on the entire surface of the foundation slab 3 constituting the spring pit 1, and the waterproof layer 7 is provided on the spring treatment block 6.
And the weight filler 8 is filled on the waterproof layer 7.

【0009】湧水処理ブロック6は、例えば出願人開発
のKPマット工法で使用されているような、内部および
/または外部に水の流通路を設けた排水性の良好なブロ
ックからなる。湧水処理ブロック6の材料としては、例
えばコンクリート、鉄筋コンクリート、強化コンクリー
ト、陶製品等の耐水性と耐荷重性に富むものが好まし
い。
The spring water treatment block 6 is composed of a block having a good drainage property, which is provided with a water flow passage inside and / or outside, as used in the KP mat construction method developed by the applicant. As the material of the spring treatment block 6, for example, concrete, reinforced concrete, reinforced concrete, ceramics, or the like which is excellent in water resistance and load resistance is preferable.

【0010】湧水処理ブロック6上に設けられる防水層
7は、その上部の重量充填材8層を遮断し、最下階床ス
ラブ4等を防水するためのものである。防水層7には、
ポリエチレン、強化プラスチック等のフィルムやシー
ト、の防水性と耐荷重性とを備えた材料を使用する。
The waterproof layer 7 provided on the spring water treatment block 6 is for blocking the upper layer 8 of the heavy filler and waterproofing the lowermost floor slab 4 and the like. In the waterproof layer 7,
A material having waterproof property and load bearing property such as polyethylene or reinforced plastic film or sheet is used.

【0011】この発明における重量充填材8は、従来の
湧水ピットの砂利8′のように重りと排水路形成とを兼
ねるものではなく、専ら重りとして使用されるものであ
る。
Unlike the conventional gravel 8'of a spring pit, the heavy filler 8 in the present invention does not serve both as a weight and a drainage channel, but is used exclusively as a weight.

【0012】重量充填材8には、砂利、砕石等のほか、
重量コンクリート用骨材としても使用される磁鉄鉱、褐
鉄鉱、重晶石等からなる適当形状の充填材などが使用さ
れる。
The weight filler 8 includes gravel, crushed stone, etc.
Fillers of appropriate shape such as magnetite, limonite, barite, which are also used as aggregates for heavy concrete, are used.

【0013】これらの重量充填材8は排水に役立てる必
要がないので、その形状は適宜に選定しうる。
Since these heavy fillers 8 do not need to be used for drainage, their shapes can be selected appropriately.

【0014】また、外壁5から滲み込む湧水を取り出す
排水管9は湧水処理ブロック6に接続されており、湧水
が重量充填材8層に行かないようになっている。湧水処
理ブロック6からの水は、排水管10により外部に排出
する。
Further, the drain pipe 9 for taking out the spring water that permeates from the outer wall 5 is connected to the spring water treatment block 6 so that the spring water does not go to the eight layers of the weight filling material. The water from the spring treatment block 6 is discharged to the outside by the drain pipe 10.

【0015】以上のような構成を有する地下基礎の湧水
ピット構造によると、湧水ピット1内の湧水は、排水性
の良好な湧水処理ブロック6により速やかに排出される
ため、排水が容易で、長期的にも排水路の目詰まりを来
すこともなく、また、湧水処理ブロック6と重量充填材
8との間が防水層7により遮断されているので、湿気が
地下室内に達することもない。
According to the underground foundation spring pit structure having the above-mentioned structure, the spring water in the spring pit 1 is promptly discharged by the spring treatment block 6 having a good drainage property, so that the drainage water is discharged. It is easy and does not cause clogging of the drainage channel in the long term, and the waterproof layer 7 blocks the spring treatment block 6 and the heavy packing material 8. It never reaches.

【0016】この発明の湧水ピット構造は、例えば湧
水ピット躯体の築造後、基礎スラブ3上に湧水処理ブロ
ック6を敷設し、湧水処理ブロック6の上に防水層7
を設け、次いで防水層7の上に重量充填材8を充填す
ることにより、構築することができる。
In the spring pit structure of the present invention, for example, a spring treatment block 6 is laid on the foundation slab 3 after the construction of the spring pit frame, and the waterproof layer 7 is provided on the spring treatment block 6.
And then filling the weight of the waterproof layer 7 with the weight filler 8 can be constructed.

【0017】[0017]

【発明の効果】この発明の地下基礎の湧水ピット構造に
よると、下記の効果が奏される。
According to the spring pit structure of the underground foundation of the present invention, the following effects are exhibited.

【0018】(1)湧水ピット内での湧水の流れが良
く、排水が容易で、長期的にも湧水が詰まることがな
い。
(1) The flow of the spring water in the spring pit is good, the drainage is easy, and the spring water is not clogged in the long term.

【0019】(2)湧水ピット内に大量の湧水が滞留す
ることがなく、また湧水と重量充填材とが防水層により
遮断されているので、湿気が地下室内に達することがな
い。
(2) Since a large amount of spring water does not stay in the spring pit and the spring water and the heavy packing material are blocked by the waterproof layer, moisture does not reach the basement.

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

【図1】この発明の湧水ピット構造を例示する断面図で
ある。
FIG. 1 is a sectional view illustrating a spring pit structure of the present invention.

【図2】従来の湧水ピット構造を示す断面図である。FIG. 2 is a cross-sectional view showing a conventional spring pit structure.

【符号の説明】[Explanation of symbols]

1 湧水ピット 2 基礎梁 3 基礎スラブ 4 最下階床スラブ 5 土圧壁 6 湧水処理ブロック 7 防水層 7′ ポリエチレンフィルム 8 重量充填材 9 排水管 10 排水管 1 Spring pit 2 Foundation beam 3 Foundation slab 4 Bottom floor slab 5 Earth pressure wall 6 Spring treatment block 7 Waterproof layer 7'Polyethylene film 8 Heavy packing material 9 Drain pipe 10 Drain pipe

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】 地下基礎の湧水ピットを構成する基礎ス
ラブ上に湧水処理ブロックを敷き並べ、該湧水処理ブロ
ック上に防水層を設け、さらに該防水層上に重量充填材
を充填したことを特徴とする地下基礎の湧水ピット構
造。
1. A spring water treatment block is laid out on a foundation slab that constitutes a spring water pit of an underground foundation, a waterproof layer is provided on the spring water treatment block, and a weight filler is further filled on the waterproof layer. The spring pit structure of the underground foundation that is characterized by that.
JP4337128A 1992-12-17 1992-12-17 Sump water pit structure of underground foundation Withdrawn JPH06185079A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4337128A JPH06185079A (en) 1992-12-17 1992-12-17 Sump water pit structure of underground foundation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4337128A JPH06185079A (en) 1992-12-17 1992-12-17 Sump water pit structure of underground foundation

Publications (1)

Publication Number Publication Date
JPH06185079A true JPH06185079A (en) 1994-07-05

Family

ID=18305712

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4337128A Withdrawn JPH06185079A (en) 1992-12-17 1992-12-17 Sump water pit structure of underground foundation

Country Status (1)

Country Link
JP (1) JPH06185079A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103821181A (en) * 2014-02-28 2014-05-28 中天建设集团有限公司 Basement bottom plate water drainage layer construction method
CN106869157A (en) * 2017-02-24 2017-06-20 天津住总建筑集团有限公司 It is provided with the foundation structure exterior wall and interior wall synchronous construction engineering method of pumping equipment

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103821181A (en) * 2014-02-28 2014-05-28 中天建设集团有限公司 Basement bottom plate water drainage layer construction method
CN106869157A (en) * 2017-02-24 2017-06-20 天津住总建筑集团有限公司 It is provided with the foundation structure exterior wall and interior wall synchronous construction engineering method of pumping equipment
CN106869157B (en) * 2017-02-24 2018-11-30 天津住总集团有限公司 Foundation structure exterior wall and interior wall synchronous construction engineering method equipped with pumping equipment

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Legal Events

Date Code Title Description
A300 Withdrawal of application because of no request for examination

Free format text: JAPANESE INTERMEDIATE CODE: A300

Effective date: 20000307