JPS62153489A - Construction of underground vertical cylindrical structure - Google Patents
Construction of underground vertical cylindrical structureInfo
- Publication number
- JPS62153489A JPS62153489A JP60296470A JP29647085A JPS62153489A JP S62153489 A JPS62153489 A JP S62153489A JP 60296470 A JP60296470 A JP 60296470A JP 29647085 A JP29647085 A JP 29647085A JP S62153489 A JPS62153489 A JP S62153489A
- Authority
- JP
- Japan
- Prior art keywords
- underground
- construction
- hole
- cylinders
- steel wire
- 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
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
- Y02A20/208—Off-grid powered water treatment
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
「産業上の利用分野」
本発明は、超深層曝気槽の外管（ソヤフト）等の地中深
くに埋設される縦型筒状構造物の施工法に関する。DETAILED DESCRIPTION OF THE INVENTION "Field of Industrial Application" The present invention relates to a method for constructing a vertical cylindrical structure buried deep underground, such as an outer pipe (soyaft) of an ultra-deep aeration tank.
近年、有機系廃水の処理に、第５図に示ず超深ｒｉＩｌ
＋ｉ！気法が採用されている。図において、イは、超ｆ
ｌＲＩｉｉｌｌ！ｌ気槽を構成する地中深く埋設した外
管、口は、該外管に内装されている小径の内管、ノ１は
、汚水入口、二は、処理水出口、ホは、返送汚水入口、
へは、内管へ処理用空気を、外管へｉＩｉ！Ｉ環開始用
空気を供給するコンブレフすである。In recent years, ultra deep riIl (not shown in Figure 5) has been used to treat organic wastewater.
+i! Kiho is adopted. In the figure, a is super f
lRIiill! l An outer pipe buried deep underground constituting the air tank, the mouth is a small diameter inner pipe built into the outer pipe, No. 1 is the sewage inlet, 2 is the treated water outlet, and E is the return sewage inlet. ,
To, processing air is sent to the inner pipe and iii to the outer pipe! This is the comb lev that supplies the I-ring starting air.
この超深層曝気法は、生物学的処理方法であり、従来の
活性汚泥法に比較して、
（１）＠地面積が少ない。This ultra-deep aeration method is a biological treatment method and requires less land area than the conventional activated sludge method.
（２）酸素利用効率が高い。(2) High oxygen utilization efficiency.
（３）高濃度有機排水の処理が可能。(3) Highly concentrated organic wastewater can be treated.
（４）汚泥発生量が少ない。(4) Less sludge generation.
（５）臭気の発生が少ない。(5) Less odor is generated.
などの特区を有しており、適用分野も、下水処理、団地
等の生活廃水処理、一般産業廃水、深床処理、中水施設
などと幅広く、今後の需要増が見込まれている。また、
この場合、超深層曝気槽は、直径３〜６ｍ、深さ５０〜
１５０ｍの外管を地下に建造する必要から、品質、経済
性等の面で優れた施工法が望まれている
本発明は、斯様な要望に応えるものであり、安全かつ短
期間に建造する施工法である。It has special zones such as , and is applicable to a wide range of fields such as sewage treatment, domestic wastewater treatment in housing complexes, general industrial wastewater, deep bed treatment, gray water facilities, etc., and demand is expected to increase in the future. Also,
In this case, the ultra-deep aeration tank has a diameter of 3 to 6 m and a depth of 50 to 6 m.
Since it is necessary to construct a 150 m long outer pipe underground, a construction method that is superior in terms of quality and economy is desired.The present invention meets these demands and allows construction to be carried out safely and in a short period of time. This is a construction method.
「従来の技術」
従来、上記外管を地下に建造する場合、第６図に示すよ
うに、地下掘削後、その掘削孔Ｊへ所定長さの鋼管ｂ・
・・を地上で接続しながら挿入して、構築するか、又は
、第７図に示すように、地下１屈前後、その掘削孔ａへ
円筒法のＰＣａユニットＣ・・を次々に落し込み、底部
から積み上げて、構築する方法がとられている。"Prior Art" Conventionally, when constructing the above-mentioned outer pipe underground, as shown in Fig. 6, after underground excavation, a predetermined length of steel pipe b is inserted into the excavated hole J.
... by inserting them while connecting them above ground, or, as shown in Fig. 7, by dropping the cylindrical PCa units C into the excavation hole a one after another into the excavation hole a, as shown in Fig. 7. The method used is to build it up by stacking it up from the bottom.
「発明が解決しようとする問題点」 しかし、前者は、 ■鋼製のため不経済である。"The problem that the invention attempts to solve" However, the former is ■It is uneconomical because it is made of steel.
■腐蝕の進行など耐久性が低い。■Durability is low due to progress of corrosion.
などの欠点があり、後者の場合、
■地下で接続するため接合部の品質確保が難しい（水密
性、強度）。In the latter case, it is difficult to ensure the quality of the joint (watertightness, strength) because it is connected underground.
■大口径の場合、大型揚重機を必要とする。■If the diameter is large, a large lifting machine is required.
■ＰＣａユニットと掘削土砂との隙間が残り、不安定で
ある。■A gap remains between the PCa unit and the excavated soil, making it unstable.
などの欠点がある。There are drawbacks such as.
本発明は、斯る欠点を一掃し、より優れた工法を提供し
ようとするものである。The present invention aims to eliminate these drawbacks and provide a more excellent construction method.
「問題点を解決するための手段」
本発明は、周壁に複数の透孔を縦貫させた多数のコンク
リート製筒体を造り、また、地下に該筒体の外径よりも
やや大径の掘削孔を穿設して、咳１屈ｔ’ｉｌｌ孔に上
記Ｍ体を次々に挿入し、この際それぞれの透孔にＰＣ鋼
線を挿通させてこれをガイドに利用すると共に、最終的
に該ＰＣ鋼線を締め付けて全筒体を一連に結合させ、こ
れらの筒体と掘削孔孔壁との隙間にグラウトを注入し裏
込めすることを特徴とする。``Means for Solving the Problems'' The present invention involves constructing a large number of concrete cylinders with a plurality of through holes vertically penetrating the peripheral wall, and excavating underground with a diameter slightly larger than the outer diameter of the cylinders. Holes are drilled and the above M bodies are inserted one after another into the holes. At this time, a PC steel wire is inserted through each hole and used as a guide, and finally the M body is inserted into the hole. The feature is that all the cylinders are connected in series by tightening the PC steel wire, and grout is injected into the gap between these cylinders and the wall of the borehole for backfilling.
「作用」
如上の施工により、コンクリート製筒体と筒体周辺のグ
ラウトとで一体となった構造固体の迅速な構築が可能と
なる。``Operation'' The construction described above makes it possible to rapidly construct a structural solid body made of a concrete cylinder and the grout around the cylinder.
「実施例」 第１図乃至第４図は、本発明の実施例を示している。"Example" 1 to 4 show embodiments of the invention.
第１図は、施工の手順を示すものであり、これをその順
序に従って説明すると、 次の通りである。Figure 1 shows the construction procedure, which is explained in the following order.
■、まず、一方で、周壁に複数の透孔を縦貫させた多数
のコンクリート製筒体ｌ・・・を造る。これらの筒体は
、第２図に示すように、例えば、８つの透孔１２・・・
を周壁１１に等間隔に配設する。筒体の直径や厚さは、
構造１１体の設計に基づいて決定し、高さは、重量、数
量等の作業性の要因をＰ；慮して決める。特に第１段目
の筒体１は、第４図に示すように、有底に形成する。ま
た、各筒体１・・・の連結面は、上下相互に噛合する段
状に形成する。なを、筒体には鉄筋篭を内蔵させるとよ
い。ヒニーム管を用いてもよい。(2) First, on the one hand, a large number of concrete cylindrical bodies L... each having a plurality of through holes extending vertically through its peripheral wall are constructed. As shown in FIG. 2, these cylinders have, for example, eight through holes 12...
are arranged on the peripheral wall 11 at equal intervals. The diameter and thickness of the cylinder are
The height is determined based on the design of the 11 structures, and the height is determined by taking into consideration workability factors such as weight and quantity. In particular, the first stage cylinder 1 is formed with a bottom, as shown in FIG. Further, the connecting surfaces of each cylinder 1 are formed in a stepped shape that engages with the upper and lower parts. Also, it is better to incorporate a reinforcing cage into the cylindrical body. A Hineem tube may also be used.
他方、現場では、上記筒体ｌ・・・の外径よりもやや大
径の深い掘削孔入を地下に穿設し、該掘削孔内に泥水Ｂ
を満す。On the other hand, at the site, a deep excavation hole with a diameter slightly larger than the outer diameter of the cylinder l is drilled underground, and muddy water B is poured into the excavation hole.
satisfy.
■０次に、第１段目の有底の筒体１から１屈削孔△内へ
挿入するが、この際、周１１の各透孔１２・・・へそれ
ぞれＰＣ鋼線２・・の一端を上方から差し込んで固定し
ておき、咳箭体１を掘削孔Ａの１氏：よで挿入して定置
すると共に、各ＰＣ鋼線２・・・をそれぞれ地上まで引
きのばす。そして、第２段目以上の筒体１・・・は、そ
れらのＰＣ１ｔｌ線２・・・を透孔１２・・・に挿通さ
せて、それらのＰＣ鋼線２・・・をガイドに利用して次
々に挿入させる。なお、筒体相互の突き合わせ面に接着
剤を用いるとよい。■0Next, insert the PC steel wire 2 into each through hole 12 on the circumference 11 from the bottomed cylinder 1 of the first stage into the bent hole △. One end is inserted from above and fixed, and the cough housing 1 is inserted into the excavation hole A at a depth of 1:00 and fixed in place, and each PC steel wire 2 is stretched to the ground. Then, the cylinder bodies 1 of the second stage and above insert those PC1tl wires 2... into the through holes 12... and use those PC steel wires 2... as guides. insert them one after another. Note that it is preferable to use an adhesive on the abutting surfaces of the cylinders.
■、以下同様にして筒体】・・・を掘削孔への口部まで
積み、最終的にＰＣ鋼線２・・・に張力を付与して締め
具を固定し、余分を切断する。(2) In the same manner, the cylinders]... are stacked up to the mouth of the excavation hole, and finally tension is applied to the PC steel wires 2... to fix the fasteners, and the excess is cut off.
■、最終に、筒体ｌ・・・と掘削孔孔壁との隙間にトレ
ミー管を挿入し、グラウトポンプを働かせてグラウト３
を注入し、硬化させる。■Finally, insert the tremie pipe into the gap between the cylinder l... and the wall of the borehole, and operate the grout pump to fill the grout 3.
Inject and cure.
「発明のグＪ果」
本発明によれば、筒体とＰＣ鋼線と筒体の周りに注入し
た裏込めのグラウトとで一体となった強固で安定な構造
！一体を迅速に構築でき、止水性、仕上り精度を向上で
き、高い品質を確保できる。"Results of the Invention" According to the present invention, a strong and stable structure is created by integrating the cylinder, the PC steel wire, and the backfill grout injected around the cylinder! It is possible to quickly construct an integrated structure, improve water-stopping properties, finish accuracy, and ensure high quality.
また、施工方法が簡単になり、コストを低減でき、大口
径の構造帽体の施工が可能になり、大口径でも大型場重
機を必要としない。勿論、′＃４製のように腐蝕を生じ
ることもない。In addition, the construction method becomes simple, costs can be reduced, it is possible to construct a large-diameter structural cap body, and large-scale heavy machinery is not required even with a large diameter. Of course, it does not suffer from corrosion like the case with #4.
更に、作業を全て地」二で行えるので、安全性を而ａで
き、高い建込み精度を確保できる。Furthermore, since all the work can be done on the ground, safety can be maintained and a high level of construction accuracy can be ensured.
加えて、超深Ｉ′ｉｉｆ曝気槽のみならず、大口径中空
杭、縦型地中自り」倉庫の（ｈ潰憎体の施工にも適用で
き、頗る有益である。In addition, it can be applied not only to ultra-deep I'IIF aeration tanks, but also to the construction of large-diameter hollow piles and vertical underground warehouses, which is extremely beneficial.
第１図乃至第４図は、本発明の実施例を示し、第１図は
、工程説明図、第２図は、使用部材の拡大平面図、第３
図、第４図は、それぞれ使用部材の拡大断面図、第５図
は、超深層曝気法の説明図、第６図、第７図は、それぞ
れ従来の施工法を示す説明図である。
ｌ・・筒 体 ２・・・ＰＣ鋼線３・・・グラ
ウト １ｊ・・・周 璧５・・・透 孔
△・・・屈削孔Ｉ３・・・泥水
第１図
１・・・筒 体 ２・・・ＰＣ震泉３・・・グ
ラウト ＩＩ・・・周 壁５・・４孔 Ａ・・
Ｌ薪肌
Ｂ・・・泥 水
第２図
１・・・筒体 ２・・・ＰＣ１座泉
３・・・グラウト １１・−・周 壁５・・通孔
Δ・・・Ｌ耕孔
Ｂ・・・泥水
第３図
第４図
第６図
第７図1 to 4 show examples of the present invention, FIG. 1 is an explanatory diagram of the process, FIG. 2 is an enlarged plan view of the members used, and FIG.
4 are enlarged sectional views of the members used, FIG. 5 is an explanatory view of the ultra-deep aeration method, and FIGS. 6 and 7 are explanatory views of the conventional construction method. l... Cylinder body 2... PC steel wire 3... Grout 1j... Surrounding wall 5... Through hole
△...Bending hole I3...Muddy water Figure 1 1...Cylinder body 2...PC seismic spring 3...Grout II...Peripheral wall 5...4 holes A...
L Firewood skin B...Mud Water Figure 2 1...Cylinder body 2...PC1 Zaizumi 3...Gout 11...Surrounding Wall 5...Through hole Δ...L Cultivation hole B. ...Muddy water Figure 3 Figure 4 Figure 6 Figure 7
Claims (1)
体を造り、また、地下に該筒体の外径よりもやや大径の
掘削孔を穿設して、該掘削孔に上記筒体を次々に挿入し
、この際それぞれの透孔にＰＣ鋼線を挿通させてこれを
ガイドに利用すると共に、最終的に該ＰＣ鋼線を締め付
けて全筒体を一連に結合させ、これらの筒体と掘削孔孔
壁との隙間にグラウトを注入し裏込めすることを特徴と
する地中縦型筒状構造物の施工法。A large number of concrete cylindrical bodies with a plurality of through holes penetrating the circumferential wall were constructed, and an excavation hole with a diameter slightly larger than the outer diameter of the cylindrical bodies was drilled underground, and the above-mentioned cylindrical bodies were inserted into the excavated holes. are inserted one after another, and at this time, a PC steel wire is inserted into each through hole and used as a guide, and finally the PC steel wire is tightened to join all the cylinders in series, and these cylinders are A construction method for underground vertical cylindrical structures characterized by backfilling by injecting grout into the gap between the body and the borehole wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60296470A JPS62153489A (en) | 1985-12-24 | 1985-12-24 | Construction of underground vertical cylindrical structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60296470A JPS62153489A (en) | 1985-12-24 | 1985-12-24 | Construction of underground vertical cylindrical structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62153489A true JPS62153489A (en) | 1987-07-08 |
Family
ID=17833968
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60296470A Pending JPS62153489A (en) | 1985-12-24 | 1985-12-24 | Construction of underground vertical cylindrical structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62153489A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5891293A (en) * | 1981-11-26 | 1983-05-31 | 日立造船株式会社 | Concrete placing method of shaft type buried hydraulic pressure iron pipe |
| JPS6035649U (en) * | 1983-08-17 | 1985-03-12 | パイオニア株式会社 | Operation mode recognition device |
-
1985
- 1985-12-24 JP JP60296470A patent/JPS62153489A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5891293A (en) * | 1981-11-26 | 1983-05-31 | 日立造船株式会社 | Concrete placing method of shaft type buried hydraulic pressure iron pipe |
| JPS6035649U (en) * | 1983-08-17 | 1985-03-12 | パイオニア株式会社 | Operation mode recognition device |
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