JP2005232891A - Manhole and its construction method - Google Patents

Manhole and its construction method Download PDF

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Publication number
JP2005232891A
JP2005232891A JP2004045747A JP2004045747A JP2005232891A JP 2005232891 A JP2005232891 A JP 2005232891A JP 2004045747 A JP2004045747 A JP 2004045747A JP 2004045747 A JP2004045747 A JP 2004045747A JP 2005232891 A JP2005232891 A JP 2005232891A
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Japan
Prior art keywords
manhole
ground
construction method
adjustment ring
height
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JP2004045747A
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Japanese (ja)
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Mitsugi Kuriyama
貢 栗山
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  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide a manhole and its construction method capable of adjusting the height of its tip. <P>SOLUTION: This manhole is formed by arranging a vertically adjusting ring in an upper opening of the manhole so as to adjust the height by a screw. This manhole construction method lifts the adjusting ring in layers in response to the settlement of the ground when rolling the manhole peripheral edge ground. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

この発明は排水溜、留淵等いわゆるマンホールとその埋設施工法に関するものである。   The present invention relates to a so-called manhole such as a drainage reservoir and a retaining ring and a method for burying the manhole.

従来のマンホールは一例として下記公報に示すように頂部に調整リングを設けてマンホールの天端を所要の高さにすることができる。ところでマンホール周縁をローラーで転圧して地盤を締固めるような場合周縁地盤が沈下し、マンホール部分が突出し、転圧が困難である。そこで従来はマンホール周囲はダンパ締め固めを主としている。
特開２０００−１１０１８７公報 As an example, a conventional manhole can be provided with an adjustment ring at the top, as shown in the following publication, so that the top of the manhole can have a required height. By the way, when rolling the manhole periphery with a roller to compact the ground, the periphery ground sinks, the manhole part protrudes, and rolling is difficult. Therefore, conventionally, the damper around the manhole is mainly compacted.
JP 2000-11187 A

この発明はマンホールの天端高さが下層路盤及び上層路盤そして最後のアスファルト表層仕上までの間地表面から突出したままの状態にあり、またローラーによる転圧が困難となることを防ぐことにある。   The present invention is to prevent the height of the top of the manhole from protruding from the ground surface between the lower and upper layer roadbed and the final asphalt surface finish, and to prevent the rolling by the roller from becoming difficult. .

この発明はマンホールの天端高さの調整が容易でありマンホール周縁の地盤の転圧に際してマンホールの尖端の突出を少なくして施工を容易かつ車両通行に安全とすることができる。   According to the present invention, the height of the top of the manhole can be easily adjusted, and when the ground around the manhole is rolled, the protrusion of the tip of the manhole can be reduced to make the construction easy and safe for vehicle traffic.

以下この発明の具体的な実施形態を図面に基いて説明する。   Hereinafter, specific embodiments of the present invention will be described with reference to the drawings.

マンホール本体Ａの上部に受台１を設置し、この受台１上に下部調整リング２が固定ボルト３によって固定されている。   A cradle 1 is installed on the upper part of the manhole body A, and a lower adjustment ring 2 is fixed on the cradle 1 by fixing bolts 3.

下部調整リング２上には相欠状に重ねられる下部調整リング２が必要数重ねられ、最上段には上部調整リング４が重ねられる。この下部調整リング２の内面の４ヶ所に調整ボルト５が内面に固定された雌ねじ筒６支持台７に支持され、上部調整リング４と各下部調整リング２間を微調整するとともに連結する。なお上下リング４，２間の間隙にはパッキングを挿入する。   On the lower adjustment ring 2, a necessary number of lower adjustment rings 2 stacked in a staggered manner are stacked, and an upper adjustment ring 4 is stacked on the uppermost stage. The adjustment bolts 5 are supported at four locations on the inner surface of the lower adjustment ring 2 by a female screw cylinder 6 support base 7 fixed to the inner surface, and the upper adjustment ring 4 and each lower adjustment ring 2 are finely adjusted and connected. A packing is inserted in the gap between the upper and lower rings 4 and 2.

マンホール本体Ａの周縁には埋戻路盤Ｂが布設され、その上にアスファルト基層Ｃを敷き、表面にアスファルト表層Ｄが布設されている。   On the periphery of the manhole body A, a backfill road bed B is laid, an asphalt base layer C is laid thereon, and an asphalt surface layer D is laid on the surface.

施工に際してはマンホ−ル周縁を全転圧すなわちローラーで転圧し、必要により地盤上に適宜盛土する。マンホールの嵩上げが必要な場合、上部調整リング４を重ねる。   At the time of construction, the periphery of the manhole is rolled with a total rolling pressure, that is, with a roller, and if necessary, embanked on the ground as appropriate. When the manhole needs to be raised, the upper adjustment ring 4 is stacked.

全体の概要を示した縦断面図である。It is the longitudinal cross-sectional view which showed the outline | summary. 要部の縦断面図である。It is a longitudinal cross-sectional view of the principal part. 要部の他の実施例の縦断面図である。It is a longitudinal cross-sectional view of the other Example of the principal part. 要部の横断面図である。It is a cross-sectional view of the main part.

符号の説明Explanation of symbols

１…受台、２…下部調整リング、３…固定ボルト、４…上部調整リング、５…調整ボルト、６…雌ねじ筒、Ａ…マンホール本体、Ｂ…埋戻し路盤、Ｃ…アスファルト基層、Ｄ…アスファルト表層   DESCRIPTION OF SYMBOLS 1 ... Base, 2 ... Lower adjustment ring, 3 ... Fixing bolt, 4 ... Upper adjustment ring, 5 ... Adjustment bolt, 6 ... Female screw cylinder, A ... Manhole body, B ... Backfill roadbed, C ... Asphalt base layer, D ... Asphalt surface

Claims (3)

マンホールの上部開口部にねじによって高さを調整しうるようにした上下調整リングを配してなることを特徴とするマンホール。   A manhole characterized in that an upper and lower adjustment ring is provided in the upper opening of the manhole so that the height can be adjusted by a screw. 上下調整リングは相欠状に重ね合せて上昇される請求項１記載のマンホール。   The manhole according to claim 1, wherein the upper and lower adjustment rings are raised in a superposed manner. マンホール周縁地盤を転圧するに際して地盤の沈下に伴って調整リングを重ねて上昇させ、かつ地盤上に盛土することを特徴とするマンホールの施工法。   A manhole construction method characterized in that when rolling down the manhole peripheral ground, the adjustment ring is piled up and raised as the ground sinks, and then embanked on the ground.
JP2004045747A 2004-02-23 2004-02-23 Manhole and its construction method Pending JP2005232891A (en)

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JP2004045747A JP2005232891A (en) 2004-02-23 2004-02-23 Manhole and its construction method

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006299626A (en) * 2005-04-20 2006-11-02 Hanex Co Ltd Floating prevention manhole
JP2007262747A (en) * 2006-03-28 2007-10-11 Fukuhara Imono Seisakusho:Kk Lift preventing method for built-up manhole and lift preventing flange member therefor
JP2008101391A (en) * 2006-10-19 2008-05-01 Orita Kensetsu Kogyo Kk Manhole-upper part reinforcing adjustment ring and method of reinforcing mounting of manhole cover support frame
CN1851165B (en) * 2006-05-24 2010-10-20 贵阳铝镁设计研究院 Pipeline crossing method for water supply and sewerage pipeline and its structure
JP2011012433A (en) * 2009-07-01 2011-01-20 Hiroo Yamaguchi Manhole lift preventing structure
CN104088298A (en) * 2014-07-03 2014-10-08 河海大学 Municipal road prefabricated concrete inspection well and construction method thereof

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006299626A (en) * 2005-04-20 2006-11-02 Hanex Co Ltd Floating prevention manhole
JP4585366B2 (en) * 2005-04-20 2010-11-24 株式会社ハネックス Anti-levitation manhole
JP2007262747A (en) * 2006-03-28 2007-10-11 Fukuhara Imono Seisakusho:Kk Lift preventing method for built-up manhole and lift preventing flange member therefor
CN1851165B (en) * 2006-05-24 2010-10-20 贵阳铝镁设计研究院 Pipeline crossing method for water supply and sewerage pipeline and its structure
JP2008101391A (en) * 2006-10-19 2008-05-01 Orita Kensetsu Kogyo Kk Manhole-upper part reinforcing adjustment ring and method of reinforcing mounting of manhole cover support frame
JP2011012433A (en) * 2009-07-01 2011-01-20 Hiroo Yamaguchi Manhole lift preventing structure
CN104088298A (en) * 2014-07-03 2014-10-08 河海大学 Municipal road prefabricated concrete inspection well and construction method thereof

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