JPH0626034A - Earth retaining method by self-supporting panel - Google Patents
Earth retaining method by self-supporting panelInfo
- Publication number
- JPH0626034A JPH0626034A JP18106692A JP18106692A JPH0626034A JP H0626034 A JPH0626034 A JP H0626034A JP 18106692 A JP18106692 A JP 18106692A JP 18106692 A JP18106692 A JP 18106692A JP H0626034 A JPH0626034 A JP H0626034A
- Authority
- JP
- Japan
- Prior art keywords
- mountain retaining
- retaining panel
- vertical hole
- panel
- earth retaining
- 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.)
- Granted
Links
Landscapes
- Bulkheads Adapted To Foundation Construction (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】この発明は、地下一階程度の比較
的浅い根切り工事を簡易にし、かつ、地下躯体を容易に
構築できるようにした自立パネル山留め工法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a self-supporting panel mountain retaining method which simplifies a relatively shallow root cutting work on the ground floor and allows an underground structure to be easily constructed.
【０００２】[0002]
【従来の技術】従来、地下一階程度の比較的浅い根切り
工事においても、シートパイル工法やＳＭＷ工法等によ
る山留め壁が構築される。2. Description of the Related Art Conventionally, a mountain retaining wall is constructed by a sheet pile method, an SMW method, etc. even in a relatively shallow root cutting work on the first basement level.
【０００３】[0003]
【発明が解決しようとする課題】しかし、これらの山留
め工法は、いずれの場合においても、山留め壁とは別途
に本設壁が施工されるため、全体の壁厚が相当厚くなっ
てしまい、このため、地下部分の床面積が大幅に制約さ
れてしまうという欠点があった。また、結果的に壁を二
重に施工することとなるため工期の長期化も免れないと
いう欠点もあった。However, in any of these methods, since the main wall is constructed separately from the mountain retaining wall, the whole wall thickness is considerably increased. Therefore, there is a drawback that the floor area of the underground part is significantly restricted. In addition, there is also a drawback that the construction period cannot be avoided because the wall is to be double constructed.
【０００４】この発明は、このような前記従来の課題を
解決するために提案されたもので、地下一階程度の比較
的浅い根切り工事を簡易に行うことができ、かつ、地下
躯体を短期間のうちに容易に構築できるようにした自立
パネル山留め工法を提供することを目的とする。The present invention has been proposed in order to solve the above-mentioned conventional problems, and it is possible to easily perform a relatively shallow root cutting work of about the first basement level, and to make the underground structure short-term. It is an object of the present invention to provide a self-supporting panel mountain retaining method that can be easily constructed in the space.
【０００５】[0005]
【課題を解決するための手段】この発明に係る自立パネ
ル山留め工法においては、削孔と同時にセメントミルク
を注入しつつ、縦孔を削孔し、次に、前記縦孔内に下端
部に支持杭を突設した山留めパネルを建て込み、次に、
前記山留めパネル内側の地盤を掘削し、この山留めパネ
ルを地下構造物の本設壁として利用する。In the self-supporting panel mountain fastening method according to the present invention, a vertical hole is drilled while cement milk is injected at the same time as the drilling, and then the lower end is supported in the vertical hole. Build a mountain retaining panel with protruding stakes, then
The ground inside the mountain retaining panel is excavated, and this mountain retaining panel is used as a main wall of an underground structure.
【０００６】[0006]
【実施例】図１(a),(b),(c),(d) は、この発明に係る自
立パネル山留め工法の一実施例を示すものであり、ま
た、図２はこの山留め工法に使用される山留めパネルの
平面図、図３はその正面図、そして、図４はその側面図
をそれぞれ示したものである。図において、符号１は山
留めパネル、２はこの山留めパネル１を補強するための
鉄骨材、３はこの山留めパネル１を地盤中に自立させる
とともに山留め壁の応力材となる支持杭である。1 (a), 1 (b), 1 (c), and 1 (d) show one embodiment of the self-supporting panel earth retaining method according to the present invention, and FIG. 2 shows this method. FIG. 3 is a plan view of the mountain retaining panel used, FIG. 3 is a front view thereof, and FIG. 4 is a side view thereof. In the figure, reference numeral 1 is a mountain retaining panel, 2 is a steel frame material for reinforcing the mountain retaining panel 1, and 3 is a support pile which makes the mountain retaining panel 1 self-supporting in the ground and serves as a stress material for the mountain retaining wall.
【０００７】山留めパネル１にはプレキャストコンクリ
−ト板（高さ5m程度、幅１〜２m 程度、厚さ30cm程度）
が使用されている。A precast concrete plate (height of about 5 m, width of about 1 to 2 m, thickness of about 30 cm) is provided on the mountain retaining panel 1.
Is used.
【０００８】山留めパネル１には土圧等に対する曲げ強
度を高めるために上下方向に連続する柱部分1a,1a が形
成され、柱部分1a,1a には補剛材としてＨ形鋼からなる
鉄骨材２が上下方向に連続して挿通され、かつ、この鉄
骨材２の下端部は山留めパネル１の下端部より所定長さ
突出され、支持杭３の継手部2aを形成している。The mountain retaining panel 1 is formed with column portions 1a, 1a which are continuous in the vertical direction in order to increase bending strength against earth pressure, etc., and the column portions 1a, 1a are made of H-shaped steel as a stiffening material. 2 are continuously inserted in the up-down direction, and the lower end of the steel aggregate 2 is projected from the lower end of the mountain retaining panel 1 by a predetermined length to form a joint portion 2a of the support pile 3.
【０００９】支持杭３にはＨ形鋼が使用され、この支持
杭３は山留めパネル１の建て込みに際し、継手部2aに溶
接若しくはボルト止めすることにより接合される。An H-shaped steel is used for the support pile 3, and the support pile 3 is joined to the joint portion 2a by welding or bolting when the mountain retaining panel 1 is built.
【００１０】また、山留めパネル１の左右縁端部にはと
なり合うパネルどうしを接合するための継手部（図省
略）が形成され、内側面には山留めパネル１の内側面を
汚れより保護するためのビニールシート等の養生シート
４が張りつけられている。Further, joint portions (not shown) for joining adjacent panels are formed on the left and right edge portions of the mountain retaining panel 1, and the inner surface of the mountain retaining panel 1 is protected from dirt. A curing sheet 4 such as a vinyl sheet is attached.
【００１１】続いて、施工方法を順をおって説明する。Next, the construction method will be described step by step.
【００１２】 まず、アースオーガー工法等によって
セメントミルク５を注入しつつ、縦孔６を削孔する（図
１（ａ）参照）。First, the vertical hole 6 is drilled while the cement milk 5 is being injected by the earth auger method or the like (see FIG. 1A).
【００１３】この場合、縦孔下部（根入れ部）6aおよび
縦孔上部6bに注入されるセメントミルクは、掘削土と攪
拌されてソイルモルタルを形成するものであるが、根入
れ部6aに注入されるセメントミルクは、硬化後所定の強
度を発現するように調合し、これより浅い縦孔上部6bに
注入されるセメントミルクは、後で容易に削り取れるよ
うに、単に固まる程度の強度に調合する。In this case, the cement milk injected into the lower part of the vertical hole (rooting part) 6a and the upper part of the vertical hole 6b is mixed with excavated soil to form soil mortar, but is injected into the rooting part 6a. The cement milk to be prepared is mixed so as to develop a predetermined strength after hardening, and the cement milk injected into the upper portion 6b of the vertical hole shallower than this is mixed to such a strength that it simply hardens so that it can be easily shaved later. To do.
【００１４】 つぎに、縦孔６内のソイルモルタルが
硬化するまえに縦孔６の中に山留めパネル１を建て込む
（図１（ｂ）参照）。この場合、山留めパネル１の下端
部に取り付けられた支持杭３は縦孔下部6a内に奥深く建
て込み、山留めパネル１は縦孔上部6bに建て込む。そし
て、縦孔下部6a内のソイルモルタルが充分な強度を発現
するまで充分に養生する。また、となり合う山留めパネ
ル1,1 を一体的に接合する。Next, the mountain retaining panel 1 is built in the vertical hole 6 before the soil mortar in the vertical hole 6 hardens (see FIG. 1B). In this case, the support pile 3 attached to the lower end of the mountain retaining panel 1 is built deeply in the vertical hole lower portion 6a, and the mountain retaining panel 1 is built in the vertical hole upper portion 6b. Then, the soil mortar in the lower portion 6a of the vertical hole is sufficiently cured until it exhibits sufficient strength. Also, the adjacent mountain retaining panels 1 and 1 are integrally joined.
【００１５】 つぎに、山留めパネル１の内側の地盤
を掘削し、根切り底1cまで掘り下げる（図１（ｃ）参
照）。また、縦孔上部6bのソイルモルタルを山留めパネ
ル１の表面が露出するまで削り取り、山留めパネル１の
養生シート４を剥がす。さらに、となり合う山留めパネ
ル１の継手部の防水処理を入念に行う。Next, the ground inside the mountain retaining panel 1 is excavated and down to the root cutting bottom 1c (see FIG. 1 (c)). Further, the soil mortar in the upper portion 6b of the vertical hole is scraped off until the surface of the mountain retaining panel 1 is exposed, and the curing sheet 4 of the mountain retaining panel 1 is peeled off. Furthermore, the joint portion of the adjacent mountain retaining panel 1 is carefully treated to be waterproof.
【００１６】なお、山留めパネル１の内側の地盤を掘削
したとしても、山留めパネル１は支持杭３によって根入
れ部6bに支持されていることにより、内側に傾いたり、
倒れたりすることはない。Even if the ground inside the mountain retaining panel 1 is excavated, the mountain retaining panel 1 is supported by the support piles 3 on the rooting portion 6b, so that the mountain retaining panel 1 is inclined inward,
It does not fall.
【００１７】また、縦孔６を斜めに削孔することにより
山留め壁の自重を利用したもたれ自立山留めも可能であ
る（図１（ｄ）参照）。なお、この場合にも山留めパネ
ル１は鉛直に立て込むものとする。Further, by leaning the vertical hole 6 obliquely, it is possible to make a leaning self-standing mountain clasp utilizing the weight of the mountain clasp wall (see FIG. 1 (d)). In this case as well, the mountain retaining panel 1 is set up vertically.
【００１８】 根切りが完全に修了したら、山留めパ
ネル１による連続壁を地下構造物の本設壁として、地下
構造物の構築に取り掛かる。When the root cutting is completely completed, the construction of the underground structure is started by using the continuous wall of the mountain retaining panel 1 as the main wall of the underground structure.
【００１９】[0019]
【発明の効果】この発明は以上説明したように構成され
ているため、以下に記載するような効果を有する。Since the present invention is constructed as described above, it has the following effects.
【００２０】 従来の山留め工法には、必ず必要とさ
れた腹起こしや切り梁を一切必要としないため、根切り
工事がし易い。The conventional clasping method does not require any abdomen uplifting or cutting beams, which is absolutely necessary, and therefore root cutting work is easy.
【００２１】 山留め壁を地下構造物の本設壁として
そのまま利用できるため、本来の本設壁の施工が全く不
要になり、工期の大幅な短縮化が可能である。Since the mountain retaining wall can be used as it is as the main wall of the underground structure, the construction of the original main wall is completely unnecessary, and the construction period can be greatly shortened.
【００２２】また、山留め壁による地下部分の床面積の
ロスが無くなるため、可能な限りの広い地下空間を確保
することができる。Further, since the loss of the floor area of the underground portion due to the mountain retaining wall is eliminated, it is possible to secure a wide underground space as much as possible.
【図面の簡単な説明】[Brief description of drawings]
【図１】図（ａ），（ｂ），（ｃ），（ｄ）はこの発明
に係る山留め壁の施工方法を示す縦孔部分の縦断面図で
ある。FIG. 1 (a), (b), (c), (d) is a vertical cross-sectional view of a vertical hole portion showing a method of constructing a mountain retaining wall according to the present invention.
【図２】山留め壁の平面図である。FIG. 2 is a plan view of a mountain retaining wall.
【図３】図２に示す山留め壁の正面図である。FIG. 3 is a front view of the mountain retaining wall shown in FIG.
【図４】図２に示す山留め壁の側面図である。FIG. 4 is a side view of the mountain retaining wall shown in FIG.
１…山留めパネル、２…鉄骨材、３…支持杭、４…養生
シート、５…セメントミルク、６…縦孔、6a…縦孔下部
（根入れ部）、6b…縦孔上部。1 ... Mountain retaining panel, 2 ... Steel aggregate, 3 ... Support pile, 4 ... Curing sheet, 5 ... Cement milk, 6 ... Vertical hole, 6a ... Vertical hole lower part (rooting part), 6b ... Vertical hole upper part.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 小松 淳 東京都調布市飛田給２丁目19番１号 鹿島 建設株式会社技術研究所内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Atsushi Komatsu 2-19-1 Tobita-Su, Chofu-shi, Tokyo Kashima Construction Co., Ltd.
Claims (1)
つ、縦孔を削孔し、次に、前記縦孔内に下端部に支持杭
を突設した山留めパネルを建て込み、次に、前記山留め
パネル内側の地盤を掘削し、この山留めパネルを地下構
造物の本設壁とすることを特徴とする自立パネル山留め
工法。1. A vertical hole is drilled while cement milk is being injected at the same time as the drilling, and then a mountain retaining panel having a support pile projecting from the lower end is built in the vertical hole. A self-supporting panel mountain retaining method characterized by excavating the ground inside the mountain retaining panel and using this mountain retaining panel as the main wall of an underground structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4181066A JP2555838B2 (en) | 1992-07-08 | 1992-07-08 | Independent panel mountain retaining method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4181066A JP2555838B2 (en) | 1992-07-08 | 1992-07-08 | Independent panel mountain retaining method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0626034A true JPH0626034A (en) | 1994-02-01 |
| JP2555838B2 JP2555838B2 (en) | 1996-11-20 |
Family
ID=16094203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4181066A Expired - Lifetime JP2555838B2 (en) | 1992-07-08 | 1992-07-08 | Independent panel mountain retaining method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2555838B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4810419A (en) * | 1985-05-17 | 1989-03-07 | Ube Industries Ltd. | Shaped electroconductive aromatic imide polymer article and process for producing |
| JP2011122386A (en) * | 2009-12-14 | 2011-06-23 | Toda Constr Co Ltd | Method of construction of underground structure, underground structure, and precast concrete side wall or intermediate wall/column for the same |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5349817A (en) * | 1976-10-19 | 1978-05-06 | Nippon Pressed Concrete Kk | Underground wall construction method |
| JPS61134422A (en) * | 1984-12-04 | 1986-06-21 | Fujita Corp | Method of building precast concrete underground continuous wall |
| JPH02266015A (en) * | 1989-04-03 | 1990-10-30 | Takenaka Komuten Co Ltd | Constructing underground continuous wall |
-
1992
- 1992-07-08 JP JP4181066A patent/JP2555838B2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5349817A (en) * | 1976-10-19 | 1978-05-06 | Nippon Pressed Concrete Kk | Underground wall construction method |
| JPS61134422A (en) * | 1984-12-04 | 1986-06-21 | Fujita Corp | Method of building precast concrete underground continuous wall |
| JPH02266015A (en) * | 1989-04-03 | 1990-10-30 | Takenaka Komuten Co Ltd | Constructing underground continuous wall |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4810419A (en) * | 1985-05-17 | 1989-03-07 | Ube Industries Ltd. | Shaped electroconductive aromatic imide polymer article and process for producing |
| JP2011122386A (en) * | 2009-12-14 | 2011-06-23 | Toda Constr Co Ltd | Method of construction of underground structure, underground structure, and precast concrete side wall or intermediate wall/column for the same |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2555838B2 (en) | 1996-11-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 19960709 |