JP2000301179A - Foundation plate for septic tank, septic tank and its construction - Google Patents

Foundation plate for septic tank, septic tank and its construction

Info

Publication number
JP2000301179A
JP2000301179A JP11114308A JP11430899A JP2000301179A JP 2000301179 A JP2000301179 A JP 2000301179A JP 11114308 A JP11114308 A JP 11114308A JP 11430899 A JP11430899 A JP 11430899A JP 2000301179 A JP2000301179 A JP 2000301179A
Authority
JP
Japan
Prior art keywords
septic tank
tank
base plate
plastic molded
foundation plate
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
Application number
JP11114308A
Other languages
Japanese (ja)
Inventor
Satoshi Arai
聡 荒井
Kozo Ashizawa
公三 芦沢
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.)
Showa Denko Materials Co Ltd
Original Assignee
Hitachi Chemical Co Ltd
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 Hitachi Chemical Co Ltd filed Critical Hitachi Chemical Co Ltd
Priority to JP11114308A priority Critical patent/JP2000301179A/en
Publication of JP2000301179A publication Critical patent/JP2000301179A/en
Pending legal-status Critical Current

Links

Abstract

PROBLEM TO BE SOLVED: To provide a foundation plate dispensing with a reinforcing bar arrangement material or the like, more excellent in productivity than a foundation concrete slab and shortening the construction period of a septic tank by forming the foundation plate provided under the septic tank from a plastic molded object. SOLUTION: A foundation plate 1 for a septic tank comprises a plastic molded object. A thermoplastic resin such as polyethylene or the like and a thermosetting resin such as an unsaturated polyester resin are used in the plastic molded object. Pref., fiber reinforced plastic wherein a fiber being a reinforcing material, for example, a glass fiber is mixed with the thermosetting resin is pref. used. More pref., fiber reinforced plastic wherein a glass fiber is mixed in the thermosetting resin, for example, the unsaturated polyester resin is used. The foundation plate 1 and the septic tank are separately transported to an installation place without being fixed or after preliminarily fixed. The ground is excavated into a hole for burying the septic tank 2 and the foundation plate 1 is laid on the bottom of the hole after ground leveling and the septic tank 2 is placed on the foundation plate 1 to be buried.

Description

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

【0001】[0001]

【発明の属する技術分野】本発明は、カプセル型浄化槽
を埋設して施工する際の浄化槽用基礎板及び浄化槽並び
に浄化槽の施工方法に関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a base plate for a septic tank, a septic tank, and a method for constructing a septic tank when a capsule type septic tank is buried and constructed.

【0002】[0002]

【従来の技術】従来、工場生産によるカプセル型の浄化
槽は、設置場所においてまず埋設するための掘削を行
い、その穴の底面に鉄筋を配筋した型枠を形成し、ここ
にコンクリートを打設し、コンクリートが固まったのち
に浄化槽を載置して据え付け、埋め戻すことにより施工
される。この場合、割栗を敷設した上に捨てコンクリー
ト打設工事、配筋工事、型枠工事、コンクリート打設工
事と複数の工程が必要であり、更にコンクリートが固ま
るまでの養生期間を設けなければならず、埋設工事が完
了するまでに長期間を要している。
2. Description of the Related Art Conventionally, a capsule-type septic tank manufactured by a factory is firstly excavated at an installation site to bury the excavation tank, and a formwork in which a reinforcing bar is arranged at the bottom of the hole is formed, and concrete is poured into the form. After the concrete is hardened, the septic tank is placed and installed, and then backfilled. In this case, it is necessary to lay the split chestnuts, put concrete, put out concrete, arrange reinforcement, formwork, put concrete and perform multiple steps, and provide a curing period until the concrete hardens. It takes a long time to complete the burial work.

【0003】このようなことから、浄化槽を載置させる
基礎コンクリートは、予め工場で製造しておき、このも
のを設置場所へ輸送して、掘削した穴の底部に設置し、
この上に浄化槽を載置して据え付けるようにして、施工
期間を短縮させるようにした浄化槽の施工方法が、特開
平9−221822号公報で提案されている。
[0003] For this reason, the foundation concrete on which the septic tank is to be placed is manufactured in advance in a factory, and the concrete is transported to the installation location and installed at the bottom of the excavated hole.
A method for constructing a septic tank in which a septic tank is placed and installed thereon to shorten the construction period has been proposed in Japanese Patent Application Laid-Open No. 9-221822.

【0004】[0004]

【発明が解決しようとする課題】しかしながら、基礎コ
ンクリートスラブを工場で製造する場合においても、配
筋やコンクリートの流し込み作業、コンクリートの養生
等が必要であり、基礎コンクリートの製造そのものの作
業は、従来の設置場所での作業とあまり変らないもので
あり、多くの時間を要していた。
However, even when a basic concrete slab is manufactured in a factory, it is necessary to arrange reinforcing bars, pour concrete, cure concrete, and the like. It was not much different from the work at the installation site, and took a lot of time.

【0005】本発明は、上記のような課題に鑑みてなさ
れたものであり、配筋材等を不要にし、基礎コンクリー
トスラブより生産性にすぐれ、また浄化槽の施工期間を
短縮させることのできる浄化槽用基礎板及び浄化槽並び
に浄化槽の施工方法を提供することを目的とする。
SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems, and has no need for reinforcing members and the like, has higher productivity than a basic concrete slab, and can shorten the construction period of a septic tank. It is an object of the present invention to provide a base plate for use, a septic tank, and a method for constructing a septic tank.

【0006】[0006]

【課題を解決するための手段】本発明は、次のものに関
する。 (1)浄化槽の下側に備えられる浄化槽用基礎板が、プ
ラスチック成形体であることを特徴とする浄化槽用基礎
板。 (2)プラスチック成形体が繊維強化プラスチックから
なることを特徴とする上記(1)に記載の浄化槽用基礎
板。 (3)浄化槽の下側に上記(1)又は上記(2)に記載
の浄化槽用基礎板を固定して備えることを特徴とする浄
化槽。 (4)埋設する穴の底部に、上記(1)又は上記(2)
に記載の浄化槽用基礎板を敷設し、この上に浄化槽を載
置して埋設することを特徴とする浄化槽の施工方法。 (5)埋設する穴の底部に、上記(3)に記載の浄化槽
を載置して埋設することを特徴とする浄化槽の施工方
法。
The present invention relates to the following. (1) A septic tank base plate provided below the septic tank is a plastic molded body. (2) The septic tank base plate as described in (1) above, wherein the plastic molded body is made of fiber-reinforced plastic. (3) A septic tank comprising the septic tank base plate described in (1) or (2) fixed below the septic tank. (4) At the bottom of the hole to be buried, (1) or (2) above
A method for constructing a septic tank, comprising: laying a septic tank base plate described in (1), and placing and burying the septic tank thereon. (5) A method for constructing a septic tank, wherein the septic tank according to (3) is placed and buried at the bottom of the hole to be buried.

【0007】[0007]

【発明の実施の形態】本発明の実施の形態について、図
面を参照して説明する。図1の(a)は、浄化槽用基礎
板の平面図を示し、(b)は、(a)のA−A面におけ
る断面図を示し、点線はその上に載置する浄化槽を示し
ている。浄化槽用基礎板1は、プラスチック成形体から
なるものであり、このプラスチック成形体には、ポリエ
チレン、ポリプロピレン、ポリ塩化ビニル、アクリロニ
トリルブタジエンスチレン(ABS)等の熱可塑性樹
脂、不飽和ポリエステル樹脂、ジシクロペンタジエン樹
脂、フェノール樹脂、エポキシ樹脂等の熱硬化性樹脂が
用いられる。好ましくは熱硬化性樹脂に強化材としての
繊維、例えばガラス繊維、アラミド繊維、炭素繊維等を
樹脂に混在させた繊維強化プラスチックが用いられ、よ
り好ましくは熱硬化性樹脂のうち不飽和ポリエステル樹
脂にガラス繊維を混在させた繊維強化プラスチックが用
いられる。
Embodiments of the present invention will be described with reference to the drawings. FIG. 1A shows a plan view of a septic tank base plate, FIG. 1B shows a cross-sectional view taken along the line AA of FIG. 1A, and dotted lines show a septic tank placed thereon. . The septic tank base plate 1 is formed of a plastic molded body. The plastic molded body includes a thermoplastic resin such as polyethylene, polypropylene, polyvinyl chloride, acrylonitrile butadiene styrene (ABS), an unsaturated polyester resin, A thermosetting resin such as a pentadiene resin, a phenol resin, and an epoxy resin is used. Fibers as a reinforcing material in the thermosetting resin, for example, glass fiber, aramid fiber, a fiber reinforced plastic in which carbon fiber and the like are mixed in the resin is used, more preferably the unsaturated polyester resin in the thermosetting resin A fiber reinforced plastic mixed with glass fibers is used.

【0008】不飽和ポリエステル樹脂とガラス繊維を含
む繊維強化プラスチックの浄化槽用基礎板1には、例え
ば図2に示すような形状のものが用いられる。(a)
は、シートモールディングコンパウンド(SMCと略
す)を用いて機械成形したり、成形型に成形材料をハン
ドレイアップやスプレーアップにより積層成形したもの
である。(b)は、(a)の成形時にリブ3を形成させ
たものである。なお、リブ3はプラスチック成形体の浄
化槽用基礎板1の下面と上面のいずれか一方若しくは両
面に設けられてもよい。また、リブ3は、プラスチック
成形体の浄化槽用基礎板1を成形した後に接合させて設
けてもよい。(c)は、(a)のようにして成形される
板4を上下に配置させ、この間にスペーサ5を入れて接
合させたものである。(d)は、(c)の端面の周縁を
塞ぎ、内部に空間部6を形成させたものであり、この空
間部6には、比重調整を行う材料が挿入されてもよい。
なお、プラスチック成形体の浄化槽用基礎板1は、前記
したような製造方法及び形状に限定されるものではな
い。
As a base plate 1 for a septic tank made of a fiber-reinforced plastic containing an unsaturated polyester resin and glass fiber, for example, one having a shape as shown in FIG. 2 is used. (A)
Is formed by mechanical molding using a sheet molding compound (abbreviated as SMC) or by laminating a molding material in a molding die by hand lay-up or spray-up. (B) shows the ribs 3 formed during the molding of (a). The ribs 3 may be provided on one or both of the lower surface and the upper surface of the base plate 1 for the septic tank of the plastic molded body. Further, the ribs 3 may be provided to be joined after forming the septic tank base plate 1 of a plastic molded body. (C) is obtained by arranging the plates 4 formed as in (a) above and below, inserting spacers 5 therebetween, and joining them. (D) is a diagram in which the periphery of the end face of (c) is closed to form a space 6 therein, and a material for adjusting the specific gravity may be inserted into the space 6.
It should be noted that the septic tank base plate 1 of the plastic molded body is not limited to the manufacturing method and the shape as described above.

【0009】また、プラスチック成形体の浄化槽用基礎
板1は、少なくとも浄化槽2の低面積より大としてなる
ものであり、この厚みは、浄化槽2を載置したときに浄
化槽2の水平が維持できるようであればよく、特に限定
するものではない。なお、図1では、プラスチック成形
体の浄化槽用基礎板1及び浄化槽2は、平面視で略四角
形のものについて示しているが、丸型、楕円、多角形で
あってもよい。また、プラスチック成形体の浄化槽用基
礎板1は、1枚板で構成される場合を示しているが、浄
化槽2の大きさによっては複数からなるものを接合若し
くは固定して1枚板となるように構成してもよい。この
場合の接合若しくは固定作業は、工場のような生産場所
で行ってもよく、浄化槽2を設置する場所等で行っても
よい。
Further, the septic tank base plate 1 of the plastic molded body is at least larger than the low area of the septic tank 2, and the thickness is set so that the septic tank 2 can be kept horizontal when the septic tank 2 is mounted. There is no particular limitation as long as it is set. In addition, in FIG. 1, the septic tank base plate 1 and the septic tank 2 of the plastic molded body are shown as being substantially square in plan view, but may be round, oval, or polygonal. Further, although the base plate 1 for a septic tank made of a plastic molded body is shown as being composed of a single plate, depending on the size of the septic tank 2, a plurality of members may be joined or fixed to form a single plate. May be configured. The joining or fixing operation in this case may be performed at a production place such as a factory, or may be performed at a place where the septic tank 2 is installed.

【0010】このようなプラスチック成形体の浄化槽用
基礎板1は、コンクリート製のように配筋やコンクリー
トの流し込み作業、コンクリートの養生等が不要であ
り、この生産性、量産性が優れ、また金属製の配筋材等
がないので耐食性にも優れてなるものである。
Such a base plate 1 for a septic tank made of a plastic molded article does not require reinforcement, concrete pouring work, curing of concrete, etc., unlike concrete, and has excellent productivity and mass productivity. Since there is no reinforcing material made of stainless steel, it has excellent corrosion resistance.

【0011】プラスチック成形体の浄化槽用基礎板1と
浄化槽2とは、固定しないで別々にして設置場所へ輸送
してもよく、予め固定してから輸送してもよい。予め固
定する場合は、例えば図3に示すように、プラスチック
成形体の浄化槽用基礎板1の上に浄化槽2を載置し、浄
化槽2のフランジ部7とプラスチック成形体の浄化槽用
基礎板1とを一方がフック、もう一方がボルトナットか
らなる固定具8を数箇所に設けて固定するようにしても
よく、接着剤等で固定してもよい。なお、これらに限定
されるものではなく、両者が移動してずれることがない
ようにした固定手段であればよい。これによって、浄化
槽2の下側にプラスチック成形体の浄化槽用基礎板1を
固定して備えた浄化槽2が得られる。このような浄化槽
2とすることにより、浄化槽2の運搬に伴う荷扱いが容
易になり、また地下水が浅く施工時に湧水のあるような
設置場所においては、浄化槽2の浮上防止効果も得るこ
とができる。
The septic tank base plate 1 and the septic tank 2 of the plastic molded body may be transported separately to the installation place without being fixed, or may be transported after being fixed in advance. When fixing in advance, for example, as shown in FIG. 3, the septic tank 2 is placed on the septic tank base plate 1 of the plastic molded body, and the flange portion 7 of the septic tank 2 and the septic tank basic plate 1 of the plastic molded body are connected to each other. May be provided and fixed at several places, one of which is a hook and the other is a bolt and nut, or may be fixed with an adhesive or the like. It should be noted that the present invention is not limited to these, and any fixing means may be used as long as the moving means does not shift. As a result, the septic tank 2 provided with the plastic septic tank base plate 1 fixedly provided below the septic tank 2 is obtained. By using such a septic tank 2, it becomes easy to handle the cargo accompanying the transportation of the septic tank 2, and in an installation place where the groundwater is shallow and there is a spring at the time of construction, the floating effect of the septic tank 2 can be obtained. it can.

【0012】浄化槽2若しくはプラスチック成形体の浄
化槽用基礎板1を固定して備える浄化槽2は、流入する
汚水中の固形物を沈殿分離させたり、有機物を嫌気的微
生物により嫌気処理させたり、好気的微生物により好気
処理させたりして、処理を行なわせるものである。そし
て、沈殿分離は沈殿分離槽若しくは夾雑物除去槽、嫌気
処理は嫌気処理槽、好気処理は好気処理槽として浄化槽
2内に設けられる。そして、例えば図4に示すように、
通常、浄化槽2には、嫌気処理槽9と好気処理槽10が
この順に配置されるが、これらの槽の前に沈殿分離槽若
しくは夾雑物除去槽が配置される場合もあり、また、こ
れらの槽の後に沈殿槽若しくは処理水槽11が配置され
る場合もある。前記の処理槽で処理された処理水は、浄
化槽2外に放出されるが、多くの場合消毒が施されて放
出され、そのため、浄化槽2には、最終処理として消毒
槽12が設けられる。
The septic tank 2 or the septic tank 2 provided with the septic tank base plate 1 of a plastic molded body fixed thereon is used for sedimentation and separation of solid matter in the incoming sewage, anaerobic treatment of organic matter by anaerobic microorganisms, and aerobic treatment. Or aerobic treatment by a target microorganism. The sedimentation separation is provided in the purification tank 2 as a sedimentation separation tank or a contaminant removal tank, the anaerobic treatment is an anaerobic treatment tank, and the aerobic treatment is an aerobic treatment tank. And, for example, as shown in FIG.
Usually, the anaerobic treatment tank 9 and the aerobic treatment tank 10 are arranged in this order in the septic tank 2, but a sedimentation separation tank or a contaminant removal tank may be arranged in front of these tanks. In some cases, a sedimentation tank or a treatment water tank 11 may be disposed after the tank. The treated water treated in the treatment tank is discharged to the outside of the purification tank 2, but is often discharged after being disinfected. Therefore, the purification tank 2 is provided with a disinfection tank 12 as a final treatment.

【0013】上記のそれぞれの槽には、固形物を除去さ
せるため、あるいは微生物を付着させるために、濾材若
しくは接触材が充填されることもある。濾材若しくは接
触材としては、プラスチック製の網様円筒状、骨格様球
状、へちま状、円筒状、網状、波板状、スポンジ等の形
状物、あるいはアンスラサイト(無煙炭)、珪砂、セラ
ミックス等からなる粒状や塊状等の形状物が用いられ、
これらが単独または組み合わせて槽内に充填される。な
お、前記のそれぞれの槽は、固形物除去、生物的処理が
単独に行われることは少なく、両方の処理機能が多少な
りとも濾材の有無に影響されないで発現される。
[0013] Each of the above-mentioned tanks may be filled with a filter material or a contact material in order to remove solids or attach microorganisms. The filter material or contact material is made of plastic mesh-like cylinder, skeleton-like sphere, clog, cylinder, mesh, corrugated sheet, sponge, etc., or anthracite (anthracite), silica sand, ceramics, etc. Shaped objects such as granular or massive are used,
These are filled in the tank alone or in combination. In each of the above-mentioned tanks, solid matter removal and biological treatment are rarely performed independently, and both treatment functions are developed without being influenced by the presence or absence of the filter medium to some extent.

【0014】次に浄化槽2の施工方法について、図5を
参照して説明する。図5は、浄化槽2を埋設するため
に、掘削した穴13の底部にプラスチック成形体の浄化
槽用基礎板1を敷設して、この上に浄化槽2を載置した
場合を示している。まず浄化槽2を埋設するための穴1
3を掘削し、底部を水平がでるように地ならしして、こ
の上にプラスチック成形体の浄化槽用基礎板1を敷設す
る。このとき、穴13底部を地ならしして割り石等の割
栗14を敷きつめてからプラスチック成形体の浄化槽用
基礎板1を敷設してもよい。次いでこのプラスチック成
形体の浄化槽用基礎板1の上に浄化槽2を載置して、浄
化槽2と掘削面との隙間に土を埋め戻す。これらの工程
によって浄化槽2は設置される。なお、浄化槽へ接続す
る流入出配管(図示省略)は、土を埋め戻す前に若しく
は接続部位付近まで埋め戻したところで接続されること
が好ましい。埋設した浄化槽2の上面は、コンクリート
が打設されてもよく、コンクリートスラブが敷設されて
もよい。
Next, a method of installing the septic tank 2 will be described with reference to FIG. FIG. 5 shows a case where the septic tank 2 is laid on the bottom plate of the excavated hole 13 in which a plastic molded base plate 1 for the septic tank is laid to bury the septic tank 2. First, hole 1 for burying septic tank 2
3 is excavated, the bottom is leveled so that the bottom is horizontal, and a septic tank base plate 1 of a plastic molded body is laid thereon. At this time, the bottom of the hole 13 may be leveled and split chestnuts 14 such as split stones may be spread, and then the septic tank base plate 1 of a plastic molded body may be laid. Next, the septic tank 2 is placed on the septic tank base plate 1 of this plastic molded body, and the soil is buried in the gap between the septic tank 2 and the excavated surface. The purification tank 2 is installed by these steps. In addition, it is preferable that the inflow / outflow pipe (not shown) connected to the septic tank is connected before backfilling the soil or at a point where the soil is backfilled to near the connection site. Concrete may be cast on the upper surface of the buried septic tank 2, or a concrete slab may be laid.

【0015】次に浄化槽2の別な施工方法について、図
6を参照して説明する。図6は、浄化槽2の下側にプラ
スチック成形体の浄化槽用基礎板1を固定して備えた浄
化槽2を埋設するために、掘削した穴13の底部に浄化
槽2を載置した場合を示している。まず浄化槽2を埋設
するための穴13を掘削し、底部を水平がでるように地
ならしして、この上にプラスチック成形体の浄化槽用基
礎板1を下側にして浄化槽2を載置する。このとき、穴
13底部を地ならしして割り石等の割栗14を敷きつめ
てから浄化槽2を載置してもよい。次いで浄化槽2と掘
削面との隙間に土を埋め戻す。これらの工程によって浄
化槽2は設置される。なお、浄化槽へ接続する流入出配
管(図示省略)は、土を埋め戻す前に、若しくは接続部
位付近まで埋め戻したところで接続されることが好まし
い。埋設した浄化槽2の上面は、コンクリートが打設さ
れてもよく、コンクリートスラブが敷設されてもよい。
Next, another construction method of the septic tank 2 will be described with reference to FIG. FIG. 6 shows a case where the septic tank 2 is placed at the bottom of the excavated hole 13 in order to bury the septic tank 2 provided with the septic tank base plate 1 of a plastic molded body fixed below the septic tank 2. I have. First, a hole 13 for burying the septic tank 2 is excavated, the bottom is leveled so that the bottom is horizontal, and the septic tank 2 is mounted thereon with the septic tank base plate 1 of the plastic molded body being on the lower side. At this time, the septic tank 2 may be placed after the bottom of the hole 13 is leveled and the split chestnuts 14 such as split stones are spread. Next, soil is buried in the gap between the septic tank 2 and the excavated surface. The purification tank 2 is installed by these steps. In addition, it is preferable that the inflow / outflow pipe (not shown) connected to the septic tank is connected before the soil is backfilled or when it is backfilled to the vicinity of the connection site. Concrete may be cast on the upper surface of the buried septic tank 2, or a concrete slab may be laid.

【0016】[0016]

【実施例】(繊維強化プラスチック成形体の浄化槽用基
礎板1の製造)不飽和ポリエステル樹脂とガラス繊維を
含む成形材料からなるSMCを用いて機械成形により、
幅1,130mm、長さ2,305mm、全厚み50m
mの繊維強化プラスチック成形体の浄化槽用基礎板1
(図2(a)参照)を成形した。
EXAMPLES (Manufacture of base plate 1 for septic tank of fiber-reinforced plastic molded article) Machine molding using SMC made of a molding material containing unsaturated polyester resin and glass fiber,
Width 1,130mm, length 2,305mm, total thickness 50m
m for fiber reinforced plastic moldings
(See FIG. 2A).

【0017】(浄化槽2の製造)浄化槽2内に流入側か
ら嫌気濾床槽、好気濾床槽、処理水槽及び消毒槽を備え
た5人槽規模のSMCから成形される合併処理浄化槽
(図4参照)を製造した。その大きさは、幅980m
m、長さ2,155mm、全高1,755mmの寸法か
らなるものである。
(Manufacture of Septic Tank 2) A combined treatment septic tank formed from an SMC having a scale of 5 persons equipped with an anaerobic filter bed tank, an aerobic filter bed tank, a treatment water tank, and a disinfection tank from the inflow side into the septic tank 2 (see FIG. 4). Its size is 980m wide
m, length 2,155 mm, total height 1,755 mm.

【0018】(浄化槽2の施工)浄化槽2を施工した
(図5参照)。まず浄化槽2より大きい穴13を掘削
し、穴13の底部を地ならしし、この上に厚み100m
mとなるように割栗14を打設し、水平にした。この上
に、製造した上記の繊維強化プラスチック成形体の浄化
槽用基礎板1を敷設して、さらにこの上に製造した上記
の浄化槽2を載置した。次に浄化槽2に接続される流入
出配管の付近まで土を埋め戻して、流入出配管を接続し
た。そして、浄化槽2の上面と地表面とが同じになるよ
うに更に土を埋め戻して埋設し、浄化槽2の施工を完成
させた。
(Construction of Septic Tank 2) A septic tank 2 was constructed (see FIG. 5). First, a hole 13 larger than the septic tank 2 was excavated, and the bottom of the hole 13 was leveled.
m was placed and leveled. On this, the above-mentioned septic tank base plate 1 of the above-mentioned fiber-reinforced plastic molded article was laid, and the above-mentioned septic tank 2 thus produced was placed thereon. Next, the soil was backfilled to the vicinity of the inflow / outflow pipe connected to the septic tank 2, and the inflow / outflow pipe was connected. Then, the soil was further backfilled and buried so that the upper surface of the septic tank 2 and the ground surface became the same, and the construction of the septic tank 2 was completed.

【0019】[0019]

【発明の効果】(1)浄化槽用基礎板をプラスチック成
形体とすることにより、耐食性がよく、また生産性に優
れたものとすることができる。 (2)また、浄化槽にプラスチック成形体の浄化槽用基
礎板を固定して備えた浄化槽とすれば、浄化槽の運搬に
伴う荷扱いが容易になり、また施工に伴い湧水のあるよ
うな設置場所においては、浄化槽の浮上を防止させるこ
とができる。 (3)また、浄化槽を埋設するために掘削した底部に、
プラスチック成形体の浄化槽用基礎板を敷設しこの上に
浄化槽を載置して、又は掘削した底部に、プラスチック
成形体の浄化槽用基礎板を固定して備えた浄化槽を載置
させる、浄化槽の施工方法により、施工期間を大幅に短
縮させることができる。
(1) By using a plastic molded body for the base plate for a septic tank, it is possible to obtain a good corrosion resistance and excellent productivity. (2) If the septic tank is provided with the septic tank to which the base plate for a plastic molded body is fixed, the handling of the septic tank is facilitated, and the installation place where spring water is generated during the construction is provided. In, the floating of the septic tank can be prevented. (3) Also, at the bottom excavated to bury the septic tank,
Construction of a septic tank, laying a septic tank base plate of a plastic molded body and placing the septic tank on top of this, or placing a septic tank equipped with a plastic molded tank septic tank base plate on the excavated bottom. The method can greatly reduce the construction period.

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

【図1】本発明における浄化槽用基礎板の1実施例であ
り、(a)は平面図、(b)は(a)のA−A面の断面
図。
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an embodiment of a septic tank base plate according to the present invention, wherein (a) is a plan view and (b) is a cross-sectional view taken along the line AA of (a).

【図2】本発明における浄化槽用基礎板の他の実施例を
示す断面図。
FIG. 2 is a sectional view showing another embodiment of a septic tank base plate according to the present invention.

【図3】本発明における浄化槽の下側に浄化槽用基礎板
を固定して備えた浄化槽の1実施例を示す部分断面図。
FIG. 3 is a partial sectional view showing one embodiment of a septic tank provided with a septic tank base plate fixed below a septic tank according to the present invention.

【図4】本発明における浄化槽の1実施例を示す断面
図。
FIG. 4 is a sectional view showing one embodiment of a septic tank according to the present invention.

【図5】本発明における掘削した穴の底部に浄化槽用基
礎板を敷設して、この上に浄化槽を載置した施工状態を
示す正面図。
FIG. 5 is a front view showing a construction state in which a base plate for a septic tank is laid at the bottom of a hole excavated in the present invention, and a septic tank is placed thereon.

【図6】本発明における掘削した穴の底部に浄化槽用基
礎板を固定して備えた浄化槽を載置した施工状態を示す
正面図。
FIG. 6 is a front view showing a construction state in which a septic tank provided with a septic tank base plate fixed to the bottom of an excavated hole according to the present invention is placed.

【符号の説明】[Explanation of symbols]

1.浄化槽用基礎板 2.浄化槽 3.リブ
4.板 5.スペーサ 6.空間部 7.フランジ 8.固定具 9.嫌気
処理槽 10.好気処理槽 11.処理水槽 1
2.消毒槽 13.穴 14.割栗
1. 1. Septic tank base plate Septic tank 3. rib
4. Board 5. Spacer 6. Space part 7. Flange 8. Fixture 9. Anaerobic treatment tank 10. Aerobic treatment tank 11. Treated water tank 1
2. Disinfection tank 13. Hole 14. Split chestnut

Claims (5)

【特許請求の範囲】[Claims] 【請求項1】 浄化槽の下側に備えられる浄化槽用基礎
板が、プラスチック成形体であることを特徴とする浄化
槽用基礎板。
1. A septic tank base plate provided on a lower side of the septic tank is a plastic molded body.
【請求項2】 プラスチック成形体が繊維強化プラスチ
ックからなることを特徴とする請求項1に記載の浄化槽
用基礎板。
2. The base plate for a septic tank according to claim 1, wherein the plastic molded body is made of fiber reinforced plastic.
【請求項3】 浄化槽の下側に請求項1又は請求項2に
記載の浄化槽用基礎板を固定して備えることを特徴とす
る浄化槽。
3. A septic tank, wherein the septic tank base plate according to claim 1 is fixedly provided below the septic tank.
【請求項4】 埋設する穴の底部に、請求項1又は請求
項2に記載の浄化槽用基礎板を敷設し、この上に浄化槽
を載置して埋設することを特徴とする浄化槽の施工方
法。
4. A method of constructing a septic tank, comprising: laying the septic tank base plate according to claim 1 at the bottom of the hole to be buried, and placing the septic tank on the base plate. .
【請求項5】 埋設する穴の底部に、請求項3に記載の
浄化槽を載置して埋設することを特徴とする浄化槽の施
工方法。
5. A method for constructing a septic tank, wherein the septic tank according to claim 3 is placed and buried at the bottom of a hole to be buried.
JP11114308A 1999-04-22 1999-04-22 Foundation plate for septic tank, septic tank and its construction Pending JP2000301179A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11114308A JP2000301179A (en) 1999-04-22 1999-04-22 Foundation plate for septic tank, septic tank and its construction

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11114308A JP2000301179A (en) 1999-04-22 1999-04-22 Foundation plate for septic tank, septic tank and its construction

Publications (1)

Publication Number Publication Date
JP2000301179A true JP2000301179A (en) 2000-10-31

Family

ID=14634629

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11114308A Pending JP2000301179A (en) 1999-04-22 1999-04-22 Foundation plate for septic tank, septic tank and its construction

Country Status (1)

Country Link
JP (1) JP2000301179A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015039669A (en) * 2013-08-22 2015-03-02 株式会社ハウステック Mobile wastewater treatment system
JP3197423U (en) * 2015-02-25 2015-05-14 三山工業株式会社 Septic tank foundation plate and septic tank
CN107056002A (en) * 2017-05-11 2017-08-18 台州瑞祥教育科技有限公司 A kind of composite enhanced septic tank
JP2020126001A (en) * 2019-02-05 2020-08-20 株式会社千代田テクノル Ground installation type septic tank

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015039669A (en) * 2013-08-22 2015-03-02 株式会社ハウステック Mobile wastewater treatment system
JP3197423U (en) * 2015-02-25 2015-05-14 三山工業株式会社 Septic tank foundation plate and septic tank
CN107056002A (en) * 2017-05-11 2017-08-18 台州瑞祥教育科技有限公司 A kind of composite enhanced septic tank
JP2020126001A (en) * 2019-02-05 2020-08-20 株式会社千代田テクノル Ground installation type septic tank
JP7260109B2 (en) 2019-02-05 2023-04-18 株式会社千代田テクノル Ground type septic tank

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