JP2741779B2 - Installation method of back split plate in tubular body - Google Patents
Installation method of back split plate in tubular bodyInfo
- Publication number
- JP2741779B2 JP2741779B2 JP13507689A JP13507689A JP2741779B2 JP 2741779 B2 JP2741779 B2 JP 2741779B2 JP 13507689 A JP13507689 A JP 13507689A JP 13507689 A JP13507689 A JP 13507689A JP 2741779 B2 JP2741779 B2 JP 2741779B2
- Authority
- JP
- Japan
- Prior art keywords
- split plate
- back split
- tubular body
- groove
- ceiling
- 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 - Fee Related
Links
Landscapes
- Lining And Supports For Tunnels (AREA)
- Electric Cable Installation (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Description
【発明の詳細な説明】 〔産業上の利用分野〕 この発明は共同溝、下水道暗渠、地下道、等の管状体
内に背割板を据付ける工法に関する。The present invention relates to a method of installing a back split plate in a tubular body such as a common gutter, a sewer culvert, an underpass, and the like.
従来のシールド工法、押管工法あるいは沈埋工法等で
施工した管状体からなる構築物は隔壁で仕切り使用する
場合が少なくない。従来、隔壁をプレキャストコンクリ
ートの背割板で仕切るには、背割板を管状体内所望の位
置に搬入し、位置決めし、インバートコンクリートを打
設する等して据付けていた。プレキャストコンクリート
の背割板の搬入、据付けには様々な装置、手段が提案さ
れているが、機構が複雑であったり、装置コストが高価
であったりし、満足すべき手段は見当たらない。In many cases, a tubular structure constructed by a conventional shield method, a push pipe method, a submerged method, or the like is used as a partition wall. Conventionally, in order to partition a partition wall with a precast concrete back split plate, the back split plate has been carried into a desired position in a tubular body, positioned, and installed by pouring invert concrete or the like. Various devices and means have been proposed for loading and installing the precast concrete back split plate. However, no satisfactory means has been found because the mechanism is complicated or the device cost is high.
この発明は上記事情に鑑みなされたものである。その
目的は簡易な装置を用い作業能率よく背割板を管状体内
に搬入し、強固に据付けができる管状体内の背割板据付
工法を提案するにある。The present invention has been made in view of the above circumstances. An object of the present invention is to propose a method of installing a back split plate in a tubular body, which can carry a back split plate into a tubular body efficiently using a simple device and can be firmly installed.
この管状体内の背割板据付工法は、管状体内の竪向き
に据付けるべき方形をなしたプレキャストコンクリート
製背割板の上辺端面に長手方向に沿い溝条を設け、両側
辺と下辺との２つの隅部にそれぞれ方形の切欠部を設
け、背割板を２つの切欠部の下に配した２台の台車に載
置し、管状体天井部長手方向に沿い突設した案内突条を
前記溝条に挿入し、台車に載置した背割板を案内突条に
沿い管状体内所望の位置に搬送し、背割板を押上げ床面
との間に支持材を介挿して台車を開放し、上辺部および
下辺部をそれぞれ天井および床面に固定することを特徴
とする。The method of installing the back split plate in the tubular body is to provide a groove along the longitudinal direction on the upper side end surface of the rectangular precast concrete back split plate to be vertically installed in the tubular body, and to form two grooves on both sides and the lower side. A rectangular notch is provided at each of the two corners, the back split plate is placed on two trucks arranged below the two notches, and the guide ridge is provided along the longitudinal direction of the tubular body ceiling portion. The back split plate inserted into the groove and transported to the desired position in the tubular body along the guide ridge along the guide ridge, lifts the back split plate and inserts the support between the floor surface and opens the trolley. The upper side and the lower side are fixed to the ceiling and the floor, respectively.
以下、図示する実施例により説明する。 Hereinafter, description will be made with reference to the illustrated embodiment.
第１図は管状体内に据付けるべきプレキャストコンク
リート製の背割板１（高さ1400mm）であり、略方形の表
面をなしている。上辺は両表面側に張出しＴ形断面をな
し、その端面には長手方向に沿いＬ形断面の溝条２が穿
設してあり、その両側縁にシール材３が取付けてある。
また、両側辺と下辺との間の隅部には横方向に長い方形
の切欠部（400×100（ｈ）mm）4,4が設けてある。FIG. 1 shows a back split plate 1 (height: 1400 mm) made of precast concrete to be installed in a tubular body, and has a substantially square surface. The upper side has an overhanging T-shaped cross section on both surface sides, and a groove 2 having an L-shaped cross section is formed in the end face thereof along the longitudinal direction, and seal members 3 are attached to both side edges thereof.
Further, rectangular cutouts (400 × 100 (h) mm) 4,4 which are long in the lateral direction are provided at the corners between both sides and the lower side.
この背割板を断面円形の管状体６（直径1500mm）内を
搬送するに際し、第２図のごとく、切欠部４の下に配し
た２台の台車５に載置する。他方管状体６の天井長手方
向に不等辺山形鋼７をボルト８で取付け、下方に突出し
た長辺からなる案内突条９を張出させる。この案内突条
９を台車にのった背割板１の溝条２に挿入し、背割板１
を案内突条９に沿い搬送する。When the back split plate is transported in a tubular body 6 having a circular cross section (1500 mm in diameter), as shown in FIG. 2, the back split plate is placed on two carriages 5 arranged below the cutouts 4. On the other hand, a trapezoidal angle steel 7 is attached with bolts 8 in the longitudinal direction of the ceiling of the tubular body 6, and a guide ridge 9 having a long side projecting downward is extended. This guide ridge 9 is inserted into the groove 2 of the back split plate 1 on the carriage, and the back split plate 1
Along the guide ridge 9.
台車５は、４個の小型車輪10にのった架台11、架台下
部に上方に向け取付けた油圧ジャッキ12、油圧ジャッキ
により昇降する昇降台13、昇降台の両側上方に張出した
転倒防止用のアングル14,14を備え、管状体６内をウイ
ンチで引き移動させる。The trolley 5 includes a gantry 11 mounted on four small wheels 10, a hydraulic jack 12 mounted downward at the bottom of the gantry, an elevating platform 13 which is raised and lowered by the hydraulic jack, and an overhang protruding upward on both sides of the elevating platform. Angles 14, 14 are provided, and the inside of the tubular body 6 is pulled and moved by a winch.
管状体内の所望の位置まで背割板１を搬送した台車５
は油圧ジャッキ12を伸ばして昇降台13にのった背割板１
を、その上辺端面が管状体６の天井面に接する高さまで
押上げ、背割板１の下端面と床面との間に支持台15を介
挿し、仮固定し台車５を解放、撤去する。この際、必要
に応じ支持材15と背割板１との間に調整ライナー16を差
込み背割板１の高さを微調整する。なお、油圧ジャッキ
12のストローク長は、背割板１の切欠部４の高さ（ｈ＝
100mm）を押上げることができる。A trolley 5 that has transported the back split plate 1 to a desired position in the tubular body
Is the back split plate 1 on which the hydraulic jack 12 is extended and the elevator
Is pushed up to a height at which the upper side end surface is in contact with the ceiling surface of the tubular body 6, the support base 15 is interposed between the lower end surface of the back split plate 1 and the floor surface, temporarily fixed, and the carriage 5 is released and removed. . At this time, if necessary, an adjustment liner 16 is inserted between the support member 15 and the back split plate 1 to finely adjust the height of the back split plate 1. The hydraulic jack
The stroke length of 12 is the height of the notch 4 of the back split plate 1 (h =
100mm).
第５図は背割板１を押上げた状態であり、溝条２は管
状体６の天井に取付けた山形鋼７を収納できる深さがあ
る。そして押上げられて、山形鋼７が収納された溝条２
内にはセメントミル等のグラウト材を背割板の上辺部に
穿設してある注入口から注入し（図示せず）、背割板１
の上辺を管状体６の天井に固定する。同時に床面にイン
バートコンクリートを打設して、背割板１の下辺部をこ
れに埋設し床面に固定する（図示せず）。背割板１の側
辺下端部の切欠部４はインバートコンクリートに埋込む
か、あるいは別途コンクリート等を詰込み閉塞する。FIG. 5 shows a state in which the back split plate 1 is pushed up, and the groove 2 has a depth capable of storing the angle iron 7 attached to the ceiling of the tubular body 6. Then, the groove 2 is pushed up and the angle iron 7 is stored therein.
A grout material such as a cement mill is injected into the inside through an injection hole formed in the upper side of the back split plate (not shown).
Is fixed to the ceiling of the tubular body 6. At the same time, invert concrete is cast on the floor, and the lower side of the back split plate 1 is buried therein and fixed to the floor (not shown). The notch 4 at the lower end of the side edge of the back split plate 1 is embedded in invert concrete, or concrete or the like is separately filled and closed.
この背割板の据付工法は以上の構成からなり、背割板
の側辺と下辺との隅部に切欠部を設け、この切欠部の下
に配した２台の台車に背割板をのせて搬送する。このた
め切欠部の高さだけ、背割板の高さを高くして管状体の
高さに近づけることができ、簡易に強固な背割板の据付
けが可能となる。背割板は両側辺下端部で２台の台車に
のせ、上端面の溝条に挿入した案内突条に沿い搬送する
ので、安定性、作業性が優れ、転倒の恐れがない。背割
板の上辺部は、溝条内にグラウト等を詰込み、案内突条
を埋込み固定できるので、容易に強固な固定ができる。The method of installing the back split plate consists of the above-mentioned configuration. A notch is provided at the corner between the side and lower side of the back split plate, and the back split plate is placed on two trucks arranged below the notch. Transport. For this reason, the height of the back split plate can be increased by the height of the notch to approach the height of the tubular body, and the strong back split plate can be easily installed. Since the back split plate is placed on two carriages at the lower end portions on both sides and transported along the guide ridge inserted into the groove on the upper end surface, the stability and workability are excellent, and there is no possibility of falling. Since the grout or the like can be filled in the groove on the upper side of the back split plate and the guide ridge can be embedded and fixed, it can be easily and firmly fixed.
この発明は以上の通りであり、この背割板の据付工法
によれば、簡易な装置を用い作業能率よく強固に背割板
の据付けができる。The present invention is as described above. According to the method of installing the back split plate, the back split plate can be firmly installed with good work efficiency using a simple device.
図面はこの発明の実施例を示すものであり、第１図
（ａ），（ｂ）は背割板の正面図および側面図、第２図
（ａ），（ｂ）は台車にのせ管状体内を搬送する背割板
の正面図および側面図、第３図は背割板を載置した台車
の正面図、第４図（ａ），（ｂ）は管状体内に仮固定し
た背割板の正面図および側面図、第５図は管状体内に据
付けた背割板上辺端部の断面図である。 １……背割板、２……溝条、３……シール材、４……切
欠部、５……台車、６……管状体、７……不等辺山形
鋼、８……ボルト、９……案内突条、10……小型車輪、
11……架台、12……油圧ジャッキ、13……昇降台、14…
…アングル、15……支持台、16……調整ライナー。1A and 1B are a front view and a side view of a back split plate, and FIGS. 1A and 1B are tubular bodies mounted on a trolley. FIG. 3 is a front view of a trolley on which the back split plate is mounted, and FIGS. 4A and 4B are views of a back split plate temporarily fixed in a tubular body. FIG. 5 is a front view and a side view, and FIG. 5 is a cross-sectional view of the upper edge of the back split plate installed in the tubular body. DESCRIPTION OF SYMBOLS 1 ... Split board, 2 ... Groove, 3 ... Sealing material, 4 ... Notch, 5 ... Dolly, 6 ... Tubular body, 7 ... Angled steel, 8 ... Bolt, 9 …… Guide ridge, 10 …… Small wheels,
11 ... Stand, 12 ... Hydraulic jack, 13 ... Lifting platform, 14 ...
... Angle, 15 ... Support, 16 ... Adjustment liner.
Claims (1)
したプレキャストコンクリート製背割板の上辺端面に長
手方向に沿い溝条を設け、両側辺と下辺との２つの隅部
にそれぞれ方形の切欠部を設け、背割板を２つの切欠部
の下に配した２台の台車に載置し、管状体天井部長手方
向に沿い突設した案内突条を前記溝条に挿入し、台車に
載置した背割板を案内突条に沿い管状体内所望の位置に
搬送し、背割板を押上げ床面との間に支持材を介挿して
台車を開放し、上辺部および下辺部をそれぞれ天井およ
び床面に固定することを特徴とする管状体内の背割板据
付工法。1. A longitudinally extending groove is provided on an upper end face of a rectangular precast concrete back split plate to be vertically installed in a tubular body, and rectangular grooves are formed at two corners of both sides and a lower side. The notch portion is provided, and the back split plate is placed on two carriages arranged below the two notch portions, and the guide protrusion protruding along the longitudinal direction of the tubular body ceiling portion is inserted into the groove, The back split plate placed on the trolley is transported to a desired position in the tubular body along the guide ridge, the back split plate is pushed up and the bogie is opened by interposing a supporting material between the cotter and the floor surface, and the upper and lower sides are opened. A method of installing a back split plate in a tubular body, characterized in that parts are fixed to a ceiling and a floor, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13507689A JP2741779B2 (en) | 1989-05-29 | 1989-05-29 | Installation method of back split plate in tubular body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13507689A JP2741779B2 (en) | 1989-05-29 | 1989-05-29 | Installation method of back split plate in tubular body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH033609A JPH033609A (en) | 1991-01-09 |
| JP2741779B2 true JP2741779B2 (en) | 1998-04-22 |
Family
ID=15143281
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13507689A Expired - Fee Related JP2741779B2 (en) | 1989-05-29 | 1989-05-29 | Installation method of back split plate in tubular body |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2741779B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001220996A (en) * | 2000-02-10 | 2001-08-17 | Ishikawajima Constr Materials Co Ltd | Method for constructing partition wall in tunnel |
| JP2007332656A (en) * | 2006-06-15 | 2007-12-27 | Geostr Corp | Structure for installing back split wall |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114017057B (en) * | 2021-11-11 | 2023-05-02 | 中铁十二局集团有限公司 | Construction method for cast-in-situ concrete wind channel separator of plateau railway tunnel double-lane trackless transportation auxiliary tunnel |
-
1989
- 1989-05-29 JP JP13507689A patent/JP2741779B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001220996A (en) * | 2000-02-10 | 2001-08-17 | Ishikawajima Constr Materials Co Ltd | Method for constructing partition wall in tunnel |
| JP2007332656A (en) * | 2006-06-15 | 2007-12-27 | Geostr Corp | Structure for installing back split wall |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH033609A (en) | 1991-01-09 |
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