JPH028418A - Pipe buried method - Google Patents
Pipe buried methodInfo
- Publication number
- JPH028418A JPH028418A JP63154885A JP15488588A JPH028418A JP H028418 A JPH028418 A JP H028418A JP 63154885 A JP63154885 A JP 63154885A JP 15488588 A JP15488588 A JP 15488588A JP H028418 A JPH028418 A JP H028418A
- Authority
- JP
- Japan
- Prior art keywords
- bag
- liquid
- sheet pile
- sheet piles
- muddy water
- 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
- 238000000034 method Methods 0.000 title claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000007788 liquid Substances 0.000 claims description 41
- 238000010276 construction Methods 0.000 abstract description 2
- 238000007599 discharging Methods 0.000 abstract description 2
- 239000012530 fluid Substances 0.000 abstract 4
- 229910000278 bentonite Inorganic materials 0.000 description 7
- 239000000440 bentonite Substances 0.000 description 7
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000009933 burial Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002002 slurry Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 210000001015 abdomen Anatomy 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 235000013372 meat Nutrition 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 235000019353 potassium silicate Nutrition 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000012209 synthetic fiber Substances 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Landscapes
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明は、管の埋設方法に関する。[Detailed description of the invention] (Industrial application field) The present invention relates to a method for embedding a pipe.
（従来技術）
管の埋設方法として、泥水で満たされた溝孔の底部上方
に、間隔をおかれた複数の矢板と液体で満たされた上端
開放のボックスとの組立体を配置し、前記泥水を固化さ
せ、次いで前記ボックスから前記液体を排出すると共に
該ボックスを撤去し、これにより生じた空間の底部にコ
ンクリートを打ち、該コンクリートの硬化後該コンクリ
ート上に管を据え、その後前記空間を充填する埋設方法
が提案されている（特公昭６１−３３９３６号公報）。(Prior Art) As a method for burying pipes, an assembly of a plurality of spaced sheet piles and a box with an open top filled with liquid is placed above the bottom of a trench filled with muddy water, and the said muddy water is buried. and then draining the liquid from the box and removing the box, pouring concrete at the bottom of the space created by this, and after the concrete hardens, placing a pipe on the concrete, and then filling the space. A burial method has been proposed (Japanese Patent Publication No. 61-33936).
（発明が解決しようとする課題）
前記提案に係る管の埋設方法はボックスを用いるもので
あるが、このボックスの製作上およびボックスを使用し
ての方法の実施上、下記のような問題がある。(Problems to be Solved by the Invention) The method for burying pipes according to the above proposal uses a box, but there are the following problems in manufacturing this box and in implementing the method using the box. .
ボックスは、１の埋設箇所での供用後、別の埋設箇所へ
移動され、再び使用されるものてあり、このためには簡
単に分解、組立かできることが必要とされ、他方、ボッ
クスは高度な水密性を備えなければならない。そのため
、構造が複雑となって製作に手間どり、コスト高の原因
となっている。After a box is used at one burial site, it is moved to another burial site and used again, and for this purpose it is required to be able to be easily disassembled and assembled. Must be watertight. As a result, the structure becomes complicated, which makes manufacturing time-consuming and causes high costs.
ボックスは鉄によって形成されるため重量が大きく、そ
の取扱いが容易ではない。Since the box is made of iron, it is heavy and difficult to handle.
ボックスを溝孔から撤去するとき、ボックスと矢板との
間に大きな摩擦力が働くため、撤去に手間がかかる上、
ボックス撤去直後に土庄や水圧により、矢板が傾くおそ
れがある。When removing the box from the trench, a large frictional force acts between the box and the sheet pile, which makes removal time-consuming and
Immediately after box removal, there is a risk that the sheet piles will tilt due to soil pressure and water pressure.
本発明の目的は、ボックスを使用することによる前記様
々の問題を解決することにあり、その特徴とするところ
は、ボックスに代えて可撓性に富む袋を使用し、管理設
のための空間を地中に画定することにある。The purpose of the present invention is to solve the various problems mentioned above due to the use of boxes, and its characteristics are that a highly flexible bag is used instead of a box, and the space for management equipment is The purpose is to define the area underground.
（課題を解決するだめの手段）
本発明に係る管理設方法は、泥水で満たされた溝孔中に
、前記溝孔の幅方向へ間隔をおかれた２つの矢板列を配
置し、袋中に液体を注入しながら該袋を前記矢板列のな
す間隔内に沈めて前記矢板列の各矢板の内側面に接触さ
せ、前記液体を満たされた前記袋により前記矢板を支持
する間に前記泥水を固化させ、前記袋中から前記液体の
一部を排出すると共にこれによって生した、前記袋の上
端部と前記２つの矢板列の上端部を結ぶ仮想面とにより
画定された空間に腹起しおよび切梁を配置して前記矢板
による土止め壁を支保し、次いで前記袋中から液体を排
出すると共に該袋を撤去し、こわによって生じた前記腹
起しおよび切梁の下方の空間の底部にコンクリートを打
ち、該コンクリートの硬化後詰コンクリート上に管を据
え、その後前記腹起しおよび切梁の下方の空間を充填す
ることを含む。(Means for Solving the Problems) A management installation method according to the present invention includes arranging two rows of sheet piles spaced apart in the width direction of the trench in a trench filled with muddy water. While injecting liquid into the bag, the bag is submerged within the interval formed by the row of sheet piles and brought into contact with the inner surface of each sheet pile in the row of sheet piles, and while the bag filled with the liquid supports the sheet pile, the muddy water is removed. A part of the liquid is discharged from the bag, and a space created by this is defined by an imaginary plane connecting the upper end of the bag and the upper ends of the two sheet pile rows. Then, the liquid is drained from the bag and the bag is removed by arranging struts to support the earth retaining wall by the sheet piles, and the bottom of the space below the upright and struts caused by the stiffness is removed. The method includes pouring concrete, placing a pipe on top of the concrete after hardening, and then filling the space below the riser and strut.
２つの矢板列のそれぞれは、溝孔の長手方向へ間隔をお
かれた複数の矢板からなり、これら矢板は溝孔の長平方
向へ伸びる連結材によって相互に連結されている。また
、一方の矢板列の各矢板は、他方の矢板列の対向する矢
板と、それぞれの下方の部分で溝孔の幅方向へ伸びる連
結材によって連結されている。Each of the two sheet pile rows consists of a plurality of sheet piles spaced apart in the longitudinal direction of the slot, and these sheet piles are interconnected by a connecting member extending in the longitudinal direction of the slot. Moreover, each sheet pile of one sheet pile row is connected to the opposing sheet pile of the other sheet pile row by a connecting member extending in the width direction of the slot at the lower part of each.
前記袋は上方の第１の部分と、該部分から独立した下方
の第２の部分との２つの部分からなることが好ましい。Preferably, the bag consists of two parts: an upper first part and an independent lower second part.
□それぞれの部分は個別に液体供給管および液体排出管
に接続される。□Each part is individually connected to liquid supply pipe and liquid discharge pipe.
（作用および効果）
溝孔中の泥水は、液体を満たされた袋により矢板を支持
する間に固化され、同化後、前記袋中から前記液体の一
部を排出すると共にこれによって生じた、前記袋の上端
部と前記２つの矢板列の上端部を結ぶ仮想面とにより画
一定された空間に腹起しおよび切梁を配置して前記矢板
による土止め壁が支保される。すなわち、２つの矢板列
に及ぼされる土止め壁からの土庄や水圧は、袋中の液体
により、そして袋中の一部の液体を排出した後には、腹
起しおよび切梁によって受は止められることどなるため
、その後、袋中の液体を排出し、これを撤去しても、矢
板が傾くことはない。(Operation and Effect) The muddy water in the ditch is solidified while the sheet pile is supported by a bag filled with liquid, and after assimilation, a part of the liquid is discharged from the bag and the resulting liquid is The earth-retaining wall is supported by the sheet piles by arranging an upright and strut in a space defined by the upper end of the bag and the virtual plane connecting the upper ends of the two sheet pile rows. In other words, the soil pressure and water pressure from the retaining wall that is applied to the two rows of sheet piles is stopped by the liquid in the bag, and after some of the liquid in the bag is drained, it is stopped by the uprights and struts. Therefore, even if the liquid in the bag is drained and removed afterwards, the sheet pile will not tilt.
袋を高度な水密性をもたせて製作することは、鉄による
ボックスに水密性をもたせることに比べて簡単であり、
また袋はその本来の可撓性のゆえに、折り畳むこともで
き、その取扱いが鉄のボックスに比べて極めて簡単であ
る。Making a bag highly watertight is easier than making a steel box watertight.
Due to their inherent flexibility, bags can also be folded, making them much easier to handle than iron boxes.
袋中から液体を排出することにより、袋と矢板との間の
摩擦力がなくなる上、袋の嵩が大幅に小さくなるので、
該袋の撤去が容易である。By draining the liquid from the bag, the frictional force between the bag and the sheet pile is eliminated, and the bulk of the bag is significantly reduced.
The bag can be easily removed.
袋が上下のたがいに独立した２つの部分からなる場合、
上方の第１の部分中の液体を排出しても、下方の第２の
部分中に液体が充満した状態を維持できるので、腹起し
および切梁を設置するための作業の間、矢板が傾くのを
効果的に防止できる。If the bag consists of two independent parts, upper and lower,
Even if the liquid in the upper first section is drained, the lower second section can remain filled with liquid, so that the sheet piles remain stable during the raising and strut installation operations. It can effectively prevent tilting.
（実施例）
第１ないし３図にそれぞれ横断面および縦断面で示すよ
うに、まず、管理設経路に沿うガイドウオール１０を設
け、次いで溝孔１２をベントナイト泥水を満たしながら
配管深さを越える所定深さまで掘削する。(Example) As shown in the cross section and longitudinal section in Figs. 1 to 3, first, a guide wall 10 is provided along the management route, and then the slot 12 is filled with bentonite slurry to reach a predetermined distance beyond the pipe depth. Excavate to depth.
ベントナイト泥水で満たされた溝孔１２中に、溝孔１２
の幅方向へ間隔をおかれた２つの矢板列１４．１６を配
置する。２つの矢板列１４．１６のそれぞれは、溝孔１
２の長平方向へ間隔をおかれた複数の矢板１８からなり
、これら矢板１８は溝孔１２の長手方向へ伸びる連結材
２０によって相互に連結されている。また、一方の矢板
列の各矢板は、他方の矢板列の対向する矢板と、それぞ
れの下方の部分で溝孔の幅方向へ伸びる、溝孔１２の底
部１３の上方に位置する連結材２２によっ゛Ｃ連結され
ている。In the trench 12 filled with bentonite mud, the trench 12
Two sheet pile rows 14 and 16 are arranged at intervals in the width direction. Each of the two sheet pile rows 14.16 has slot 1
It consists of a plurality of sheet piles 18 spaced apart from each other in the longitudinal direction of 2, and these sheet piles 18 are interconnected by connecting members 20 extending in the longitudinal direction of the slots 12. In addition, each sheet pile of one sheet pile row is connected to the opposing sheet pile of the other sheet pile row by a connecting member 22 located above the bottom part 13 of the slot hole 12, which extends in the width direction of the slot at the lower part of each. Therefore, they are C-connected.
溝孔１２の幅方向へ間隔をおかれた２つの矢板列１４．
１６を溝孔１２中に配置した後、各ガイドウオール１０
に沿って定規２４を取り付け、矢板列１４．１６を位置
決めする。Two rows of sheet piles 14 spaced apart in the width direction of the slot 12.
16 in the slot 12, each guide wall 10
A ruler 24 is attached along the line to position the sheet pile rows 14 and 16.
ベントナイト泥水で満たされた溝孔１２を２つの泥水域
に区分すべく、袋２６を２つの矢板列１４．１６のなす
間隔内に配置し、矢板列１４．１６を支持させる。袋２
６は、ゴムによって、または合成繊維の不織布によって
製作されるもので、不透水性を有し、可撓性に富む。In order to divide the trench 12 filled with bentonite mud into two muddy areas, the bag 26 is placed within the interval between the two sheet pile rows 14.16 to support the sheet pile rows 14.16. bag 2
6 is made of rubber or a nonwoven fabric of synthetic fibers, and is impermeable to water and highly flexible.
図示の実施例では、袋２６は上方の第１の部分２７ａと
、該部分から独立した、すなわち仕切り膜２８によって
完全に仕切られた下方の第２の部分２７ｂとからなる。In the illustrated embodiment, the bag 26 consists of an upper first part 27a and a lower second part 27b, which is independent of this part, ie completely separated by a partition membrane 28.
第１の部分２７ａは液体供給管３０と、液体排出管３２
とを、また第２の部分２７ｂは液体供給管３４と、液体
排出管３６とをそれぞれ有し、これら管は独立に機能す
る。The first portion 27a includes a liquid supply pipe 30 and a liquid discharge pipe 32.
The second portion 27b has a liquid supply pipe 34 and a liquid discharge pipe 36, respectively, and these pipes function independently.
袋２６はまた、単一の部分からなる、すなわち仕切り膜
のない状態で製作されることもできる。The bag 26 can also be made in a single piece, ie without a separating membrane.
袋２６によって矢板列１４．１６を支持状態にするため
の第１の方法では、まず袋２６の第２の部分２７ｂの液
体供給管３４に、溝孔１２中に満たしたベントナイト泥
水を導き、袋２６の重量を次第に大きくしながら、袋２
６を徐々に溝孔１２中に沈め、第２の部分２７ｂが溝孔
１２中に沈んだとき、第１の部分２７ａの液体供給管３
０にベントナイト泥水を導き、さらに袋２６を徐々に沈
めてゆく。袋２６の底部が連結材２２に達したとき、ベ
ントナイト泥水は袋の画部分２７ａ、２７ｂに充満した
状態となる。そこで、液体供給管３０．３４および液体
排出管３２．３６にそれぞれ設けられた弁を閉じる。In a first method for bringing the rows of sheet piles 14.16 into a supported state by the bag 26, first, the bentonite slurry filled in the slot 12 is introduced into the liquid supply pipe 34 of the second portion 27b of the bag 26, and the bag While gradually increasing the weight of bag 2
6 gradually sinks into the slot 12, and when the second part 27b sinks into the slot 12, the liquid supply pipe 3 of the first part 27a
The bentonite slurry is introduced into the tank 20, and the bag 26 is gradually submerged. When the bottom of the bag 26 reaches the connecting member 22, the bentonite muddy water fills the border areas 27a and 27b of the bag. The valves provided in the liquid supply pipe 30.34 and liquid discharge pipe 32.36 are then closed.
袋２６は、その底部が連結材２２に載ったとき、その頂
部が、第２図に示すように、溝孔１２中のベントナイト
泥水の自由表面より上方となるように、その高さを定め
、またその両側面が、前記矢板列１４．１６の各矢板１
８の内側面に接触するように、その幅を定めて形成され
る。The height of the bag 26 is such that when its bottom rests on the connecting member 22, its top is above the free surface of the bentonite mud in the slot 12, as shown in FIG. Also, both sides thereof are connected to each sheet pile 1 of the sheet pile row 14.16.
It is formed with a determined width so as to be in contact with the inner surface of 8.
袋２６によって矢板列１４．１６を支持状態にするため
の別の方法では、地上において、袋２６を２つの矢板列
１４．１６の間の間隔内に配置して、矢板列１４．１６
と袋２６とによって組立体を構成し、この組立体を溝孔
１２中に沈める。Another method for supporting a sheet pile row 14.16 by a bag 26 is to place the bag 26 in the spacing between two sheet pile rows 14.16 on the ground so that the sheet pile rows 14.16
and bag 26 form an assembly, which is submerged in slot 12.
この場合、袋２６に前もって液体を充満しておいて組立
体を沈めることもでき、または袋２６に溝孔１２中の泥
水を導入しながら組立体を溝孔１２中に徐々に沈めても
よい。In this case, the assembly may be submerged with the bag 26 prefilled with liquid, or the assembly may be gradually submerged into the slot 12 while introducing muddy water in the slot 12 into the bag 26. .
袋２６によって矢板列１４．１６を支持状態にしたとき
、袋２６は第２．３図に示す位置をしめる。この配置状
態において、各矢板列は溝孔１２の壁面に実質的に平行
である。また、各矢板列の矢板相互間には間隔がおかれ
ていることから袋２６を取りまく泥水は該装丁および矢
板間を経て連通している。袋の沈降のためには溝孔中の
泥水のほか、他の泥水または清水を用いることができる
。When the bag 26 supports the sheet pile row 14.16, the bag 26 is in the position shown in FIG. 2.3. In this arrangement, each sheet pile row is substantially parallel to the wall surface of the slot 12. Moreover, since there is a gap between the sheet piles in each sheet pile row, the muddy water surrounding the bag 26 communicates through the binding and between the sheet piles. In addition to the muddy water in the ditch, other muddy water or fresh water can be used for settling the bags.
袋２６により矢板列１４．１６を支持状態に保持して、
袋２６外の泥水を固化させる。この同化は種々の方法に
よって行うことができ、たとえば、溝孔１２の上部から
泥水を取り出し、地上でこれにセメント、水ガラスのよ
うな固化剤と混合したのち溝孔１２の下部、すなわち矢
板１８の下端近傍に導いてここで放出することを繰り返
す方法、溝孔１２から取り出した泥水と予め固化剤を混
合して用意しておいた泥水とを置換する方法、同化剤を
溝孔１２に投入した後、エアーブローによって攪拌する
方法のほか、掘削に自硬性の泥水を使用して経時的にこ
れを固化させる方法によることができる。The sheet pile rows 14, 16 are held in support by the bags 26,
The muddy water outside the bag 26 is solidified. This assimilation can be carried out by various methods, for example, muddy water is taken out from the upper part of the trench 12, mixed with a solidifying agent such as cement or water glass on the ground, and then poured into the lower part of the trench 12, that is, the sheet pile 18. A method of repeatedly guiding the muddy water to the vicinity of the lower end and discharging it there, a method of replacing the muddy water taken out from the trench 12 with muddy water prepared by mixing a solidification agent in advance, and a method of introducing an assimilating agent into the trench 12. After that, in addition to stirring by air blowing, a method of using self-hardening mud for excavation and solidifying it over time can be used.
同化の際、袋２６中の液体の比重が固化される泥水の比
重に比べて小さいときには、袋２６に比重差に基づく浮
力が作用し、袋２６が浮き上ってしまう。これを防止す
るには、同化に先立って桁３８を掛は渡して、この桁３
８にウェイト３９を載せ、袋２６を押さえる。During assimilation, when the specific gravity of the liquid in the bag 26 is smaller than the specific gravity of the muddy water to be solidified, buoyancy based on the difference in specific gravity acts on the bag 26, causing the bag 26 to float. To prevent this, pass girder 38 prior to assimilation, and this girder 3
A weight 39 is placed on the bag 26 and the bag 26 is held down.
袋２６外の泥水を固化した後、袋２６中から液体の一部
を排出する。第２．３図に示す実施例では、袋２６の上
方の第１の部分２７ａ中の液体を液体排出管３２により
υ１出する。第１の部分２７ａ中の液体を排出すると、
第４図に示すように、袋２６の上端部２７ｃと、２つの
矢板列１４．１６の上端部を結ぶ仮想面Ｐとにより画定
された空間４０が生ずる。そこてこの空間４０において
、腹蔵し４２を各矢板列に沿わせ、切梁４４を一方の腹
蔵し４２から他方の腹蔵し４２に掛は渡し、前記矢板に
よる土止め壁を支保する。After solidifying the muddy water outside the bag 26, a part of the liquid is discharged from inside the bag 26. In the embodiment shown in FIG. 2.3, the liquid in the upper first part 27a of the bag 26 is discharged by liquid discharge pipe 32 υ1. When the liquid in the first portion 27a is drained,
As shown in FIG. 4, a space 40 is created that is defined by the upper end 27c of the bag 26 and the virtual plane P connecting the upper ends of the two sheet pile rows 14.16. Therefore, in this space 40, a pile 42 is placed along each row of sheet piles, and a strut 44 is passed from one pile 42 to the other pile 42 to support the retaining wall by the sheet piles.
腹蔵し４２および切梁４４によって土止め壁を支保した
状態て、前記袋２６中から液体の残量、図示の実施例で
は袋２６の第２の部分２７ｂ中に充満した液体を液体排
出管３６によって排出し、その後、謹製２６を撤去する
。撤去の際、袋２６を小さく折り畳むことができるので
、切梁４４かあっても撤去の邪魔とはならない。With the retaining wall supported by the retainer 42 and strut 44, the remaining amount of liquid from the bag 26, in the illustrated embodiment, the liquid filled in the second portion 27b of the bag 26, is drained from the liquid drain pipe 36. After that, the shimsei 26 is removed. At the time of removal, the bag 26 can be folded into a small size, so even if there is a strut 44, it does not interfere with removal.
袋２６を撤去した後、矢板から幅方向の連結材を外し、
袋２６の撤去により生じた前記腹蔵し４２および切梁４
４の下方の空間、すなわち泥水の固化物と矢板とにより
画定された上端開放の空間の底部に、第５図に示すよう
に、均しコンクリート４６を打ち、該コンクリートの硬
化後コンクリート４６上に、所定の向きおよび傾斜角て
管４８を据え、その後前記腹起しおよび切梁の下方の空
間を充填する。After removing the bag 26, remove the connecting material in the width direction from the sheet pile,
The bulge 42 and strut 4 caused by the removal of the bag 26
As shown in FIG. 5, leveled concrete 46 is poured into the bottom of the space below 4, that is, the space with an open top defined by the solidified mud and the sheet piles, and after the concrete has hardened, it is poured onto the concrete 46. , the tube 48 is installed at a predetermined orientation and angle, and then fills the space below the ribs and struts.
空間の充填には、袋２６から排出した泥水または別途貯
留しておいた泥水を空間中に供給し、ここで該泥水を固
化物にする。この場合、管４８の周囲のみを固化物５０
で充填し、その上部を土砂により埋戻すようにすること
もてきる。いずれでも、管４８の周囲は止水性に富んだ
不透水性の人工地盤で覆われることになる。To fill the space, muddy water discharged from the bag 26 or muddy water stored separately is supplied into the space, and the muddy water is solidified here. In this case, only the periphery of the tube 48 is covered with solidified material 50.
It is also possible to fill the area with sand and backfill the top with earth and sand. In either case, the area around the pipe 48 will be covered with an impermeable artificial ground that is highly watertight.
切梁４４および腹蔵し４２は管４８の周囲の固化が完了
後取り除き、矢板はそのまま埋めてしまうか、その後引
き抜いて再利用する。The struts 44 and the sheds 42 are removed after solidification around the pipe 48 is completed, and the sheet piles are either buried as they are or are later pulled out and reused.
前記実施例にれば、矢板をガイドウオールと定規とによ
って位置決めすることにより、矢板の定位置への保持か
一層確実となり、工事の正確性を確保できる。According to the embodiment, by positioning the sheet piles using the guide wall and the ruler, the sheet piles can be held in a fixed position even more reliably, and the accuracy of construction work can be ensured.
また、袋に働く浮力によって謹製が浮き上るのを防止す
る手段を設けることにより、作業の迅速性を確保できる
。In addition, by providing a means to prevent the freshly made meat from floating up due to the buoyant force acting on the bag, the speed of the work can be ensured.
第１図は溝孔中に２つの矢板列を配置した状態を示す横
断面図、第２図は溝孔中に２つの矢板列と袋とを配置し
た状態を示す横断面図、第３図は第２図の３−３線に沿
って切断した縦断面図、第４図は袋から液体の一部を排
出し、腹蔵しと切梁とを配置した状態を示す横断面図、
第５図は袋を撤去し、コンクリートを打って、管を配置
した状態を示す横断面図である。
１０ニガイドウオール、１２：溝孔、
１４．１６：矢板列、１８・矢板、
２０．２２・連結材、２４：定規、
２６・袋、 ２７ａ：第１の部分、２７ｂ：第
２の部分、３８：桁、
３９：ウェイト、 ４２：腹蔵し、４４：切梁、
４６：コンクリート、４８：管。
代理人 弁理士 松 永 宣 行
第
図Fig. 1 is a cross-sectional view showing two rows of sheet piles arranged in a slot; Fig. 2 is a cross-sectional view showing two rows of sheet piles and a bag arranged in a slot; Fig. 3; is a vertical sectional view taken along the line 3-3 in Fig. 2, and Fig. 4 is a transverse sectional view showing a state in which a portion of the liquid has been discharged from the bag and the trough and strut have been arranged.
FIG. 5 is a cross-sectional view showing the state in which the bags have been removed, concrete has been poured, and pipes have been placed. 10 guide wall, 12: slot, 14. 16: sheet pile row, 18, sheet pile, 20. 22, connecting material, 24: ruler, 26, bag, 27a: first part, 27b: second part, 38: girder, 39: weight, 42: belly, 44: strut,
46: Concrete, 48: Pipe. Agent Patent Attorney Nobuyuki Matsunaga Figure
Claims (2)
間隔をおかれた２つの矢板列を配置し、袋中に液体を注
入しながら該袋を前記矢板列のなす間隔内に沈めて前記
矢板列の各矢板の内側面に接触させ、前記液体を満たさ
れた前記袋により前記矢板を支持する間に前記泥水を固
化させ、前記袋中から前記液体の一部を排出すると共に
これによって生じた、前記袋の上端部と前記２つの矢板
列の上端部を結ぶ仮想面とにより画定された空間に腹起
しおよび切梁を配置して前記矢板による土止め壁を支保
し、次いで前記袋中から液体を排出すると共に該袋を撤
去し、これによって生じた前記腹起しおよび切梁の下方
の空間の底部にコンクリートを打ち、該コンクリートの
硬化後該コンクリート上に管を据え、その後前記腹起し
および切梁の下方の空間を充填することを含む、管理設
方法。(1) In a ditch filled with muddy water, two rows of sheet piles are arranged at intervals in the width direction of the trench, and while injecting liquid into the bag, the bags are moved at intervals formed by the rows of sheet piles. The muddy water is submerged in the bag and brought into contact with the inner surface of each sheet pile in the sheet pile row, and the muddy water is solidified while the bag filled with the liquid supports the sheet pile, and a part of the liquid is discharged from the bag. At the same time, in the space created by this, defined by the virtual plane connecting the upper end of the bag and the upper end of the two sheet pile rows, a raised rib and a strut are placed to support the earth retaining wall by the sheet pile. Next, the liquid is drained from the bag and the bag is removed. Concrete is poured into the bottom of the space below the raised and struts, and after the concrete hardens, a pipe is placed on top of the concrete. and then filling the space below the upright and strut.
た下方の第２の部分とからなり、それぞれの部分が個別
に液体供給管および液体排出管に接続された、請求項（
１）に記載の管理設方法。(2) The bag is composed of an upper first portion and a lower second portion independent from the first portion, and each portion is individually connected to a liquid supply pipe and a liquid discharge pipe.
Management setting method described in 1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63154885A JPH0765307B2 (en) | 1988-06-24 | 1988-06-24 | Pipe embedding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP63154885A JPH0765307B2 (en) | 1988-06-24 | 1988-06-24 | Pipe embedding method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH028418A true JPH028418A (en) | 1990-01-11 |
| JPH0765307B2 JPH0765307B2 (en) | 1995-07-19 |
Family
ID=15594084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP63154885A Expired - Lifetime JPH0765307B2 (en) | 1988-06-24 | 1988-06-24 | Pipe embedding method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0765307B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5168976A (en) * | 1992-02-14 | 1992-12-08 | Newcor, Inc. | Cushioned stop for powered conveyor |
-
1988
- 1988-06-24 JP JP63154885A patent/JPH0765307B2/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5168976A (en) * | 1992-02-14 | 1992-12-08 | Newcor, Inc. | Cushioned stop for powered conveyor |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0765307B2 (en) | 1995-07-19 |
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