JPH0348318B2 - - Google Patents
Info
- Publication number
- JPH0348318B2 JPH0348318B2 JP62144580A JP14458087A JPH0348318B2 JP H0348318 B2 JPH0348318 B2 JP H0348318B2 JP 62144580 A JP62144580 A JP 62144580A JP 14458087 A JP14458087 A JP 14458087A JP H0348318 B2 JPH0348318 B2 JP H0348318B2
- Authority
- JP
- Japan
- Prior art keywords
- prefabricated
- wall
- circular
- tank
- formwork
- 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
Links
- 238000009415 formwork Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 6
- 239000010865 sewage Substances 0.000 description 14
- 238000010276 construction Methods 0.000 description 7
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000004062 sedimentation Methods 0.000 description 3
- 238000005273 aeration Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は、下水の処理を行うために設けられ
る小規模下水道処理施設における同心円形状下水
処理槽等の円形プレハブ槽の構築方法に関するも
のである。[Detailed Description of the Invention] [Field of Industrial Application] This invention relates to a method for constructing a circular prefabricated tank such as a concentric sewage treatment tank in a small-scale sewage treatment facility installed for treating sewage. .
従来この種の下水処理槽は、その構築に際して
下水処理槽全体を現場施工で行つており、型枠の
設置、組立および脱型等、施工作業全体が複雑で
施工能率が悪く構築を用意に行えず高価になる問
題点があつた。
Conventionally, when constructing this type of sewage treatment tank, the entire sewage treatment tank was constructed on-site, and the entire construction work, such as installing formwork, assembly, and demolding, was complex, resulting in poor construction efficiency and difficulty in constructing the tank. The problem was that it was expensive.
従つて多額な施工費用を用意できない人工規模
の小さい町村では、下水処理槽を設置できないこ
とになる。 Therefore, small towns and villages that cannot afford large construction costs will not be able to install sewage treatment tanks.
そのため下水処理施設を完備させるために、施
工を容易で安価に行える下水処理槽が望まれてい
た。 Therefore, in order to complete sewage treatment facilities, a sewage treatment tank that can be easily and inexpensively constructed has been desired.
この発明は前述した事情に鑑みて開発されたも
ので、その目的は下水処理槽となる円形プレハブ
槽を簡単な組立て作業により短時間で安価に施工
でき、しかも強固に構築することのできる構築方
法を提供することにある。 This invention was developed in view of the above-mentioned circumstances, and its purpose is to provide a method for constructing a circular prefabricated tank to serve as a sewage treatment tank in a short time and at low cost through simple assembly work, and also to ensure a strong structure. Our goal is to provide the following.
この発明の下水処理槽となる円形プレハブ槽
を、現場打ちコンクリートの底版上に複数の円弧
状プレハブブロツクを建て込み円形状に組立てて
構築することとする。
A circular prefabricated tank serving as a sewage treatment tank of the present invention is constructed by assembling a plurality of arcuate prefabricated blocks into a circular shape on a cast-in-place concrete bottom slab.
そして底版コンクリート打設時にアンカー支持
部材によつて型枠を支持セツトして、複数のプレ
ハブブロツクを建て込む円形状の溝を形成すると
共に、底版内に埋設されて溝内に突出した前期型
枠支持用のアンカー支持部材に各プレハブブロツ
クを連結して固定したものである。 Then, when pouring concrete for the bottom slab, the formwork is supported and set using anchor support members to form a circular groove in which a plurality of prefabricated blocks are erected, and the former formwork is buried within the bottom slab and protrudes into the groove. Each prefabricated block is connected and fixed to an anchor support member for support.
以下この発明を図示する実施例によつて説明す
る。
The present invention will be explained below with reference to illustrative embodiments.
なおこの実施例は、本発明に係る円形プレハブ
槽を内壁とした同心円形プレハブ槽の実施例であ
る。 Note that this embodiment is an example of a concentric circular prefabricated tank whose inner wall is a circular prefabricated tank according to the present invention.
円形プレハブ槽である同心円形状下水処理槽１
は、中心部分に形成した円形状の内壁２で囲まれ
た内側沈澱タンク部３と、この内側沈澱タンク部
３の外周に形成した円形状の外壁４で囲まれた外
側エアレーシヨンタンク部５とからなつている。 Concentric sewage treatment tank 1 which is a circular prefabricated tank
, an inner sedimentation tank section 3 surrounded by a circular inner wall 2 formed at the center, and an outer aeration tank section 5 surrounded by a circular outer wall 4 formed at the outer periphery of the inner sedimentation tank section 3. It is made up of.
そして内壁２および外壁４は、それぞれ円弧状
に形成されている内壁用プレハブブロツク２ａお
よび外壁用プレハブブロツク４ａを複数円形状に
接合してなつている。（第１図および第２図参照）
このような構成からなる処理槽１の構築に際し
ては、まず複数の外壁用プレハブブロツク４ａ
を、自身に配設されているPC鋼材６によつて緊
張連結して基礎７上にて円形状に組立てると共
に、周方向へプレストレスを与えて一体に接合し
て外壁４を形成する。（第３図〜第５図参照）
次に外壁４で囲まれた内部の基礎７上に底版８
の形成用であるコンクリートを打設する。この時
に各外壁用プレハブブロツク４ａの下端部と底版
８とはアンカー部材９により接続される。（第３
図および第５図参照）
次に複数の内壁用プレハブブロツク２ａを、底
版８上の中心部に後述する型枠１０によつて作ら
れた溝１１を利用し、底版８とアンカー支持部材
１２により接続して円形状に組立てると共に、お
のおのを自身に配設した連結金具１５およびボル
ト・ナツト（図示せず）によつて連結接合して内
壁２を形成する。（第６図および第７図参照）
ここでの溝１１は、底版８を形成する時に、ア
ンカー支持部材１２を支持具として予め取付けた
第８図に示すような型枠１０によつて成形され
る。そして各内壁用プレハブブロツク２ａは、型
枠１０を取外し後の溝１１内のアンカー支持部材
１２に、第９図〜第１３図に示すように内壁用プ
レハブブロツク２ａ下端に形成した取付け作業用
凹部１３内に突出して設けられている取付け金具
１４を係合させて取付けられる。 The inner wall 2 and the outer wall 4 are formed by joining a plurality of inner wall prefabricated blocks 2a and outer wall prefabricated blocks 4a, each of which is formed in a circular arc shape, into a circular shape. (See Figures 1 and 2) When constructing the treatment tank 1 having such a configuration, first, a plurality of prefabricated outer wall blocks 4a are assembled.
are assembled in a circular shape on a foundation 7 by tension-connecting them using prestressed steel members 6 disposed thereon, and are joined together by applying prestress in the circumferential direction to form an outer wall 4. (See Figures 3 to 5) Next, a bottom plate 8 is placed on the foundation 7 inside the outer wall 4.
Concrete for the formation of the concrete is poured. At this time, the lower end of each prefabricated outer wall block 4a and the bottom plate 8 are connected by anchor members 9. (3rd
(See Figures 1 and 5) Next, a plurality of inner wall prefabricated blocks 2a are attached to the bottom plate 8 and the anchor support member 12 by using a groove 11 made in the center of the bottom plate 8 by a formwork 10, which will be described later. The inner wall 2 is formed by connecting them and assembling them into a circular shape, and connecting and joining them using connecting fittings 15 and bolts and nuts (not shown) provided on each member. (See FIGS. 6 and 7) When forming the bottom plate 8, the groove 11 is formed by a formwork 10 as shown in FIG. 8, to which an anchor support member 12 is attached in advance as a support. Ru. Each prefabricated block 2a for an inner wall has a recess for installation work formed in the lower end of the prefab block 2a for an inner wall, as shown in FIGS. 9 to 13, in the anchor support member 12 in the groove 11 after removing the formwork 10. It is mounted by engaging a mounting fitting 14 provided protruding inside 13.
その間、各外壁用プレハブブロツク４ａの接合
面に目地材を注入すると共に、各内外壁用プレハ
ブブロツク２ａ，４ａの接合面および外壁用プレ
ハブブロツク４ａと底版８との隅角部にシール材
を充填し、内壁用プレハブブロツク２ａと底版８
との内外隅角部にモルタルを充填して処理槽１の
構築施工が完了する。（第１４図参照）
なおこの実施例で使用されているアンカー部材
には、アエン加工メツキ丸鋼、ステンレス丸鋼等
が用いられる。 Meanwhile, a joint material is injected into the joint surfaces of each prefabricated block 4a for external walls, and a sealant is filled into the joint surfaces of each prefabricated block 2a, 4a for internal and external walls, and the corner between the prefab block 4a for external walls and the bottom plate 8. Then, the prefabricated block 2a for the inner wall and the bottom plate 8
The construction of the treatment tank 1 is completed by filling the inner and outer corners of the tank with mortar. (Refer to FIG. 14) The anchor member used in this embodiment is made of aluminum plated round steel, stainless steel round steel, or the like.
底版コンクリート打設時に形成した円形状の溝
内に挿入すると共に、この溝内に突出した型枠支
持用のアンカー支持部材に各円弧状プレハブブロ
ツクを連結して固定して構築することにより、取
付け位置決めが簡単に行え、かつ仮組み時の安定
性が向上する等、施工を容易かつ能率的に行える
円形プレハブ槽を提供できる。
Installation is achieved by inserting each arc-shaped prefabricated block into a circular groove formed when pouring concrete for the bottom slab, and connecting and fixing each arc-shaped prefabricated block to an anchor support member for supporting the formwork that protrudes into this groove. It is possible to provide a circular prefabricated tank that can be easily and efficiently constructed, with easy positioning and improved stability during temporary assembly.
また各プレハブブロツクが溝形成用型枠をコン
クリート打設時に支持したアンカー部材に固定さ
れることで、部品数を少なくして容易に施工でき
ると共に、強固な円形プレハブ槽を提供できる。 In addition, each prefabricated block is fixed to the anchor member that supported the groove forming formwork during concrete pouring, so construction can be facilitated with a reduced number of parts, and a strong circular prefabricated tank can be provided.
そしてこの発明の円形プレハブ槽を内壁とすれ
ば、施工が容易かつ能率的で強固な同心円形状下
水処理槽を提供できる。 If the circular prefabricated tank of the present invention is used as the inner wall, a concentric sewage treatment tank that is easy to construct, efficient, and strong can be provided.
そのため人口規模の小さい町村で使用する小規
模な下水道処理施設の処理槽として費用、強度等
に問題なく用いることができる。 Therefore, it can be used as a treatment tank in small-scale sewage treatment facilities used in towns and villages with small populations without any problems in terms of cost, strength, etc.
第１図はこの発明方法によつて構築される処理
槽を示す部分破断正面図、第２図はその平面図、
第３図〜第５図は外壁の構築状態を示す工程図、
第６図および第７図は内壁の構築状態を示す工程
図、第８図は型枠およびアンカー支持部材を示す
斜視図、第９図は内壁用プレハブブロツクの溝内
への取付け状態を示す斜視図、第１０図および第
１１図は第７図のＡ部およびＢ部拡大図、第１２
図は第１０図のＣ−Ｃ線断面図、第１３図は第１
１図のＤ−Ｄ線断面図、第１４図は構築完了後の
処理槽を示す断面図である。
１……同心円形状下水処理槽、２……内壁、２
ａ……内壁用プレハブブロツク、３……内側沈澱
タンク部、４……外壁、４ａ……外壁プレハブブ
ロツク、５……外側エアレーシヨンタンク部、６
……PC鋼材、７……基礎、８……底版、９……
アンカー部材、１０……型枠、１１……溝、１２
……アンカー支持部材、１３……取付け作業用凹
部、１４……取付け金具、１５……連結金具。
FIG. 1 is a partially cutaway front view showing a treatment tank constructed by the method of the present invention, FIG. 2 is a plan view thereof,
Figures 3 to 5 are process diagrams showing the state of construction of the outer wall;
Figures 6 and 7 are process diagrams showing how the inner wall is constructed, Figure 8 is a perspective view showing the formwork and anchor support members, and Figure 9 is a perspective view showing how the prefabricated block for the inner wall is installed in the groove. Figure 10 and Figure 11 are enlarged views of parts A and B of Figure 7, and Figure 12.
The figure is a sectional view taken along the line C-C in Figure 10, and Figure 13 is a cross-sectional view taken along the line C-C in Figure 10.
1 is a sectional view taken along the line DD in FIG. 1, and FIG. 14 is a sectional view showing the processing tank after construction is completed. 1... Concentric circular sewage treatment tank, 2... Inner wall, 2
a... Prefabricated block for inner wall, 3... Inner sedimentation tank part, 4... Outer wall, 4a... Prefabricated block for outer wall, 5... Outer aeration tank part, 6
...PC steel material, 7...Foundation, 8...Bottom plate, 9...
Anchor member, 10... Formwork, 11... Groove, 12
... Anchor support member, 13 ... Recess for installation work, 14 ... Mounting fittings, 15 ... Connection fittings.
Claims (1)
状プレハブブロツクを建て込み円形状に組立てる
時において、 前記底版コンクリート打設時にアンカー支持部
材によつて型枠を支持セツトして、前記複数のプ
レハブブロツクを建て込む円形状の溝を形成する
と共に、底版内に埋設されて前記溝内に突出した
前記型枠支持用のアンカー支持部材に各プレハブ
ブロツクを連結して固定してなることを特徴とす
る円形プレハブ槽の構築方法。[Scope of Claims] 1. When assembling a plurality of arcuate prefabricated blocks into a circular shape on a bottom slab of cast-in-place concrete, the formwork is supported and set by an anchor support member when the bottom slab concrete is poured, A circular groove is formed in which the plurality of prefabricated blocks are placed, and each prefabricated block is connected and fixed to the anchor support member for supporting the formwork that is buried in the bottom plate and protrudes into the groove. A method for constructing a circular prefabricated tank characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62144580A JPS63308188A (en) | 1987-06-10 | 1987-06-10 | Method of constructing circular prefabricated tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP62144580A JPS63308188A (en) | 1987-06-10 | 1987-06-10 | Method of constructing circular prefabricated tank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63308188A JPS63308188A (en) | 1988-12-15 |
| JPH0348318B2 true JPH0348318B2 (en) | 1991-07-24 |
Family
ID=15365447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP62144580A Granted JPS63308188A (en) | 1987-06-10 | 1987-06-10 | Method of constructing circular prefabricated tank |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63308188A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2685615B2 (en) * | 1990-02-13 | 1997-12-03 | 株式会社日立製作所 | Position controller for moving body |
-
1987
- 1987-06-10 JP JP62144580A patent/JPS63308188A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63308188A (en) | 1988-12-15 |
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