JP2006233683A - Pcルーフ桁とその圧入工法および、pcルーフ桁を用いた路盤下横断構造物 - Google Patents
Pcルーフ桁とその圧入工法および、pcルーフ桁を用いた路盤下横断構造物 Download PDFInfo
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- JP2006233683A JP2006233683A JP2005052971A JP2005052971A JP2006233683A JP 2006233683 A JP2006233683 A JP 2006233683A JP 2005052971 A JP2005052971 A JP 2005052971A JP 2005052971 A JP2005052971 A JP 2005052971A JP 2006233683 A JP2006233683 A JP 2006233683A
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- roof girder
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- square steel
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- 238000000034 method Methods 0.000 title claims description 26
- 239000011513 prestressed concrete Substances 0.000 title abstract description 7
- 238000010276 construction Methods 0.000 claims abstract description 16
- 238000005192 partition Methods 0.000 claims abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 59
- 239000010959 steel Substances 0.000 claims description 59
- 238000007599 discharging Methods 0.000 claims description 7
- 239000013049 sediment Substances 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 3
- 238000009408 flooring Methods 0.000 claims 1
- 239000000463 material Substances 0.000 description 9
- 239000002184 metal Substances 0.000 description 8
- 239000002689 soil Substances 0.000 description 3
- 229910001294 Reinforcing steel Inorganic materials 0.000 description 2
- 239000004567 concrete Substances 0.000 description 2
- 239000000945 filler Substances 0.000 description 2
- 238000009415 formwork Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011372 high-strength concrete Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 230000001141 propulsive effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
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- Excavating Of Shafts Or Tunnels (AREA)
- Lining And Supports For Tunnels (AREA)
Abstract
【解決手段】
PCルーフ桁本体の両側部に一対の継手金物を有し、かつ、PCルーフ桁本体の部材長手方向に連通する中空部を有するPCルーフ桁において、部材長手方向に連通する中空部16が間隔をおいて平行に複数設けられ、隣り合う中空部16間の隔壁部は、構造上の内蔵桁20とされていることを特徴とする。
【選択図】図1
Description
2 天井部
3 PCルーフ桁
4 床部
5 角部鋼製箱桁
6 側板
7 定着金具
8 横締めPC鋼棒
9 側壁部
10 横締めPC鋼棒
11 経時硬化性材料
12 継手金物
13 目地材
14 中間壁(中間支柱)
15 継ぎ目部
16 中空部
17 PCルーフ桁
17a PCルーフ桁本体
18 割り付け調整用場所打ちコンクリートブロック
19 シース
20 内蔵桁
21 路盤下横断構造物
21a 路盤下横断構造物
23 天井部
24 床部
25 側壁部
26 充填材
27 角形鋼管
27a 刃口
27b 斜面
28 中空部
29 スクリュウオーガ
30 発進立坑
31 推進機
32 継手金物
Claims (3)
- PCルーフ桁本体の両側部に一対の継手金物を有し、かつ、PCルーフ桁本体の部材長手方向に連続する中空部を有するPCルーフ桁において、部材長手方向に連通する中空部が間隔をおいて平行に複数設けられ、隣り合う中空部間の隔壁は、構造用の内蔵桁とされていることを特徴とする並列する複数の中空部を有するPCルーフ桁。
- 路盤下地盤を横断するように圧入された天井部の複数のPCルーフ桁と、床部の複数のPCルーフ桁とを備えた路盤下横断構造物において、少なくとも天井部と床部と間に設けた中間壁の上下方向の端部は、天井部に設けた請求項1における並列する複数の中空部を有するPCルーフ桁における構造用の内蔵桁と、床部に設けた請求項1に記載のPCルーフ桁における構造用の内蔵桁との間に介在されるように設けられていることを特徴とする路盤下横断構造物。
- 角形鋼管をその中空部を通して掘削土砂を排土しながら発進部から到達部にわたって先行して圧入した後、前記角形鋼管に後続するPCルーフ桁の押圧によって、該角形鋼管を到達部から押し出しながらPCルーフ桁を地盤に圧入するPCルーフ桁の圧入工法において、複数の角形鋼管を、それぞれの中空部を通して掘削土砂を排土しながら発進部から到達部わたって順次先行して圧入し並列に配置した後、この複数の角形鋼管に請求項1に記載のPCルーフ桁を後続させ、該PCルーフ桁の押圧によって複数の角形鋼管を同時に到達部から押し出しながら該PCルーフ桁を地盤に圧入することを特徴とするPCルーフ桁の圧入工法。
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JP2005052971A JP4455370B2 (ja) | 2005-02-28 | 2005-02-28 | Pcルーフ桁とそのpcルーフ桁を用いた路盤下横断構造物 |
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JP2005052971A JP4455370B2 (ja) | 2005-02-28 | 2005-02-28 | Pcルーフ桁とそのpcルーフ桁を用いた路盤下横断構造物 |
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JP2006233683A true JP2006233683A (ja) | 2006-09-07 |
JP4455370B2 JP4455370B2 (ja) | 2010-04-21 |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101452180B1 (ko) * | 2013-11-22 | 2014-10-22 | 주식회사 대산시빌테크날러지 | 프리캐스트 중공블록을 이용한 비 개착식 지하구조물 시공방법 |
KR101662058B1 (ko) * | 2016-01-29 | 2016-10-06 | (주)서현컨스텍 | Pc부재를 이용하여 제작된 비개착방식의 지중구조물 시공방법 |
JP2021095741A (ja) * | 2019-12-17 | 2021-06-24 | 株式会社Ihi建材工業 | トンネル、カッタ及びトンネルの施工方法 |
-
2005
- 2005-02-28 JP JP2005052971A patent/JP4455370B2/ja active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101452180B1 (ko) * | 2013-11-22 | 2014-10-22 | 주식회사 대산시빌테크날러지 | 프리캐스트 중공블록을 이용한 비 개착식 지하구조물 시공방법 |
KR101662058B1 (ko) * | 2016-01-29 | 2016-10-06 | (주)서현컨스텍 | Pc부재를 이용하여 제작된 비개착방식의 지중구조물 시공방법 |
JP2021095741A (ja) * | 2019-12-17 | 2021-06-24 | 株式会社Ihi建材工業 | トンネル、カッタ及びトンネルの施工方法 |
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