JPH0464689A - Tunnel formation - Google Patents
Tunnel formationInfo
- Publication number
- JPH0464689A JPH0464689A JP17687790A JP17687790A JPH0464689A JP H0464689 A JPH0464689 A JP H0464689A JP 17687790 A JP17687790 A JP 17687790A JP 17687790 A JP17687790 A JP 17687790A JP H0464689 A JPH0464689 A JP H0464689A
- Authority
- JP
- Japan
- Prior art keywords
- tunnel
- heat pipe
- ground
- excavated
- freezing
- 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
- 230000015572 biosynthetic process Effects 0.000 title description 2
- 238000007710 freezing Methods 0.000 claims abstract description 16
- 230000008014 freezing Effects 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims description 15
- 238000001704 evaporation Methods 0.000 claims description 12
- 238000001816 cooling Methods 0.000 claims description 11
- 239000003507 refrigerant Substances 0.000 claims description 11
- 230000008020 evaporation Effects 0.000 claims description 10
- 238000005057 refrigeration Methods 0.000 claims description 9
- 238000009833 condensation Methods 0.000 claims description 5
- 230000005494 condensation Effects 0.000 claims description 5
- 238000009412 basement excavation Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 6
- 239000002826 coolant Substances 0.000 abstract 2
- 238000004904 shortening Methods 0.000 abstract 1
- 230000005641 tunneling Effects 0.000 abstract 1
- 239000012530 fluid Substances 0.000 description 8
- 238000010586 diagram Methods 0.000 description 5
- 230000002093 peripheral effect Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000002528 anti-freeze Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 241000345998 Calamus manan Species 0.000 description 1
- 239000012267 brine Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000004181 pedogenesis Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 235000012950 rattan cane Nutrition 0.000 description 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、施工すべきトンネルの周囲地山を凍結して、
施工するトンネル形成方法に関する。[Detailed Description of the Invention] [Industrial Application Field] The present invention freezes the surrounding ground of a tunnel to be constructed.
It relates to a method of forming a tunnel to be constructed.
従東 含水地山内でトンネルを施工する場合＆へその地
山を固化する方法として、薬液注入方法、セメント注入
方法、或（礼 不凍液（ブライン）を使用して地山を凍
結する方法等が採用されている。When constructing a tunnel in a water-containing ground and solidifying the ground, methods such as chemical injection, cement injection, or freezing the ground using antifreeze (brine) are adopted. has been done.
前記不凍液による地山の凍結方法（戴 熱応答性が遅く
、熱伝導率が低いため、凍土形成に要する期間が長く、
そのため、凍土形成後のトンネルの施工開始までの準備
期間が長くなり、工事費も高くなった
本発明憾 前記事項に鑑みなされたものであり、トンネ
ルを掘削や拡幅をすべき台木地山を、速やかに凍結し速
やかに掘削や拡幅を行えるようにすることを技術的課題
とする。Freezing method of ground using antifreeze solution
For this reason, the preparation period until the start of tunnel construction after the formation of frozen ground becomes longer, and the construction cost also increases.The present invention was developed in view of the above-mentioned problems, and the present invention was developed by using the base material for excavating and widening tunnels. The technical challenge is to quickly freeze the ice so that excavation and widening can be carried out quickly.
本発明！１ シールド式トンネル掘削機１の発慕又ｉ
ｉ 到達する立坑３５の側壁部３６であって、掘削す
べきトンネル２２の周囲部分２４となる地山く ヒート
パイプ１を挿入上 このヒートパイプ１の凝縮部８を冷
凍装置１５によって冷却された冷媒で冷却し ヒートパ
イプｌの蒸発部１０で掘削すべきトンネル２２の周囲部
分２４となる地山を凍結してトンネルを掘削するトンネ
ル形成方法としたまた、掘削すべきトンネル２２の両端
部より発進した２台のシールド式トンネル掘削＠３０の
接合位置において、そのトンネル２２の周囲部分２４と
なる地山番ミ ヒートパイプ１を挿入し このヒート
パイプ１の凝縮部８を冷凍装置１５によって冷却された
冷媒で冷却し ヒートパイプ１の蒸発部１０で、トンネ
ル２２の周囲部分２４となる地山を凍結してトンネル２
２を掘削するトンネル形成方法としなさら＆−トンネル
２２の拡幅すべき部分２５の周囲部分２４となる地山番
ミ ヒートパイプ１を挿入上このヒートパイプ１の凝縮
部８を冷凍装置１５によって冷却された冷媒で冷却獣
ヒートパイプ１の蒸発部１０で、トンネル２２の拡幅す
べき部分の周囲部分２４となる地山を凍結して、 トン
ネル２２を拡幅するトンネル形成方法とし九
〔作用〕
本発明版 トンネル２２の周囲部分２４や掘削すべきト
ンネル２２の周囲部分２４の地山の凍結を、冷凍装置１
５によって冷却されたヒートパイプ１で冷却しているの
で、周囲部分２４の地山の凍結が極低温く しかも速や
かに行われる。This invention! 1 Introduction of shield type tunnel excavator 1
i The side wall part 36 of the shaft 35 to be reached, which is the ground that will become the surrounding part 24 of the tunnel 22 to be excavated. The method of forming a tunnel involves freezing the ground that will become the surrounding area 24 of the tunnel 22 to be excavated using the evaporation section 10 of the heat pipe l, and excavating the tunnel. At the joining position of the two shield type tunnel excavators @ 30, a heat pipe 1 is inserted into the ground which will become the peripheral part 24 of the tunnel 22, and the condensing section 8 of the heat pipe 1 is heated with refrigerant cooled by the refrigeration device 15. The evaporation part 10 of the heat pipe 1 freezes the ground that will become the surrounding area 24 of the tunnel 22 and creates the tunnel 2.
A method of forming a tunnel by excavating a heat pipe 1 is carried out by inserting the heat pipe 1 into the ground, which will be the surrounding part 24 of the part 25 to be widened in the tunnel 22, and then cooling the condensing part 8 of the heat pipe 1 by a freezing device Cool the beast with a refrigerant
A method of forming a tunnel in which the evaporation part 10 of the heat pipe 1 freezes the ground that forms the surrounding area 24 of the part of the tunnel 22 to be widened, and the tunnel 22 is widened. 24 and the ground around the tunnel 22 to be excavated using the freezing device 1.
Since the heat pipe 1 cooled by the heat pipe 5 is used for cooling, the ground in the surrounding area 24 is frozen at an extremely low temperature and quickly.
そして、シールド式トンネル掘削機３０の発迄又１戴
到達する立坑３５の側壁部鳳 ２台のシールド式トンネ
ル掘削１１３０の接合位置、及び、 トンネル２２の拡
幅すべき部分２５の周囲部分２４の地山を極低温に速や
かに凍結できる。And, until the launch of the shield type tunnel excavator 30, we will receive one more
The joining position of the two shield type tunnel excavators 1130 on the side wall of the shaft 35 to be reached and the ground around the area 24 of the part 25 to be widened of the tunnel 22 can be quickly frozen to an extremely low temperature.
第１図は、本発明で使用するヒートパイプ１を備えた凍
結装置の一実施例を示すものである。FIG. 1 shows an embodiment of a freezing device equipped with a heat pipe 1 used in the present invention.
この実施例の凍結装置が備えているヒートパイプ１は、
金属管で形成された密閉容器２を備えており、この密閉
容器２の内周面には毛細管構造体３が張設しである。こ
の密閉容器２の基部の外周に（戴 冷却ジャケット１７
が着脱可能に装着されており、この冷却ジャケット１７
（礼 冷凍装置１５で冷却された冷媒が膨張弁１６を
経て注入されるように形成しである。そして、この冷却
ジャケット１７が装着された部分のヒートパイプ１１戴
凝縮部８となる。The heat pipe 1 included in the freezing device of this embodiment is
It is equipped with a closed container 2 formed of a metal tube, and a capillary structure 3 is stretched over the inner peripheral surface of the closed container 2. On the outer periphery of the base of this airtight container 2 (cooling jacket 17
is detachably attached to the cooling jacket 17.
It is formed so that the refrigerant cooled by the refrigeration device 15 is injected through the expansion valve 16.The heat pipe 11 at the part where the cooling jacket 17 is attached becomes the condensing section 8.
前記凝縮部８に続いて、ヒートパイプ１の密閉容器２と
毛細管構造体３間にく 断熱材４を介挿させた断熱部９
が設けてあり、この断熱部９に続く部分が蒸発部１０と
なっており、このヒートパイプｌ内に檄 窒素、メタン
その他の作動流体が封入されている。Following the condensing section 8, there is a heat insulating section 9 in which a heat insulating material 4 is inserted between the closed container 2 of the heat pipe 1 and the capillary structure 3.
The part following this heat insulating part 9 is an evaporation part 10, and a working fluid such as nitrogen, methane, etc. is sealed in this heat pipe 1.
そして、このヒートパイプ１檄 次に記載するように作
用する。すなわち、冷凍装置１５で圧縮され冷却された
冷媒が、膨張弁１６を経て膨張して低温となり、冷却ジ
ャケット１７内に流入する。This heat pipe operates as described below. That is, the refrigerant compressed and cooled by the refrigeration device 15 expands through the expansion valve 16 to become low temperature, and then flows into the cooling jacket 17 .
そうすると、この冷却ジャケット１７に接するヒトパイ
プｌ内の作動流体が冷却し 凝縮してヒートパイプ１の
凝縮部８の毛細管構造体３に吸収される。Then, the working fluid in the heat pipe 1 in contact with the cooling jacket 17 is cooled, condensed, and absorbed into the capillary structure 3 of the condensing section 8 of the heat pipe 1.
そして、凝縮部８の毛細管構造体３内の作動流体ｊ１
毛細管現象により、ヒートパイプ１内にある毛細管構
造体３内を移動し、ヒートパイプｌの蒸発部１０の毛細
管構造体３内に移る。Then, the working fluid j1 in the capillary structure 3 of the condensing section 8
Due to capillary action, it moves within the capillary structure 3 in the heat pipe 1 and moves into the capillary structure 3 in the evaporation section 10 of the heat pipe 1.
そして、蒸発部１０の毛細管構造体３内の作動流体は、
ヒートパイプ１の蒸発部１ｏに接する地山等の熱を吸収
して蒸発し ヒートパイプ１内を移動し ヒートパイプ
ｌの凝縮部８内に移り、冷却さ汰 凝縮して再び凝縮部
８の毛細管構造体３に吸収される。The working fluid within the capillary structure 3 of the evaporator 10 is
It absorbs heat from the ground, etc. that is in contact with the evaporation section 1o of the heat pipe 1, evaporates, moves inside the heat pipe 1, moves into the condensation section 8 of the heat pipe 1, is cooled, condenses, and returns to the capillary tube of the condensation section 8. It is absorbed into the structure 3.
そして、前記ヒートパイプ１の断熱材４代 密閉容器２
の外側に装着することも可能である。and a fourth heat insulating material for the heat pipe 1 and a sealed container 2.
It is also possible to attach it to the outside.
第２図（戯 本発明のシールド式トンネル掘削機の発Ｌ
又（戴 到達する立坑３５の側壁部３６に、 Ｉ・ン
ネル２２を掘削する方法の一実施例の説明用の図である
。Figure 2 (Dialogue)
It is also a diagram for explaining one embodiment of a method of excavating an I-channel 22 in the side wall portion 36 of the shaft 35 to be reached.
この実施例は、立坑３５の側壁部３６であって、掘削す
べきトンネル２２の周囲部分２４となる地山番ミヒート
パイプ１の蒸発部１０を打ち込べ 又は、側壁部３６に
ヒートパイプ挿入孔を穿設して、この孔にヒートパイプ
１の蒸発部１０を挿入する。This embodiment is a side wall 36 of a shaft 35, in which the evaporator part 10 of the earth guard miheat pipe 1, which will be the peripheral part 24 of the tunnel 22 to be excavated, is driven into the side wall 36. Alternatively, a heat pipe insertion hole is formed in the side wall 36. A hole is drilled, and the evaporation section 10 of the heat pipe 1 is inserted into this hole.
そして、冷凍装置１５によって低温に冷却された冷媒を
、膨張弁１６を経て冷却ジャケット１７に注入する。そ
うすると、冷凍装置１５で低温に冷却された冷媒頃 膨
張弁１６を通過して膨張することにより極低温となりヒ
ートパイプｌの凝縮部８を冷却する。Then, the refrigerant cooled to a low temperature by the refrigeration device 15 is injected into the cooling jacket 17 through the expansion valve 16. Then, the refrigerant cooled to a low temperature by the refrigeration device 15 passes through the expansion valve 16 and expands, becoming extremely low temperature and cooling the condensing section 8 of the heat pipe 1.
そして、極低温の冷媒によって冷却された凝縮部８内の
作動流体は極低温に冷却され凝縮して毛細管構造体３内
に吸収さ帳 毛細管現象によってヒートパイプ１の蒸発
部１０に移動する。The working fluid in the condensing section 8 cooled by the cryogenic refrigerant is cooled to a cryogenic temperature, condenses, is absorbed into the capillary structure 3, and moves to the evaporating section 10 of the heat pipe 1 by capillary action.
そして、蒸発部１０の作動流体１戴 掘削すべきトンネ
ル２２の周囲部分２４となる地山の熱を吸収して、地山
を冷却し 地山を凍結する。そして、周囲部分２４の地
山の熱を吸収した作動流体憾 蒸発して蒸発部１０を極
低温に維持すると共く ヒートパイプ１内を凝縮部８に
移動医 凝縮部８で再び冷却され凝縮する。Then, the working fluid 1 of the evaporator 10 absorbs the heat of the ground that will become the surrounding area 24 of the tunnel 22 to be excavated, cools the ground, and freezes the ground. Then, the working fluid that has absorbed the heat of the earth in the surrounding area 24 evaporates and maintains the evaporator section 10 at an extremely low temperature.The working fluid moves inside the heat pipe 1 to the condensing section 8, where it is cooled again and condensed. .
前記のようにして凍結した周囲部分２４の内側を掘削し
てトンネル２２を形成し このトンネル２２にシールド
式トンネル掘削機を設置し、以後このシールド式トンネ
ル掘削機で、 トンネル２２を掘削する。A tunnel 22 is formed by excavating the inside of the frozen surrounding portion 24 as described above, a shield type tunnel excavator is installed in this tunnel 22, and the tunnel 22 is subsequently excavated by this shield type tunnel excavator.
さらく 前記ヒートパイプ１（戴 トンネル２２を掘削
し トンネル２２の内側にセグメントを装着した後に抜
き出すのがよいカー トンネル２２の掘削前に抜き出す
必要がある場合頃 ヒートパイプｌを短時間加熱するこ
とによりヒートパイプ１にｉする凍土を軟化させ、ヒー
トパイプ１を容易に抜き出すこともできる。Furthermore, if it is necessary to extract the heat pipe 1 after excavating the tunnel 22 and installing the segments inside the tunnel 22, then by heating the heat pipe 1 for a short time. The frozen soil surrounding the heat pipe 1 can be softened and the heat pipe 1 can be easily extracted.
第３図及び第４図ｉＬ 掘削すべきトンネル２２の両
端部より発進した２台のシールド式トンネル掘削機３０
の接合位置におけるトンネル２２の形成方法の一実施例
の説明用の図であり、以下さきに記載した説明と同様の
部分は同一の符号を用い説明を省略しｔも
この実施例１１ 掘削すべきトンネル２２の両端部よ
り発進した２台のシールド式トンネル掘削機３０が、
トンネル２２の中央部に到達すると、掘削を停止させる
。Figures 3 and 4 iL Two shield type tunnel excavators 30 launched from both ends of the tunnel 22 to be excavated
This is a diagram for explaining one embodiment of a method for forming a tunnel 22 at the joining position of 11. Parts similar to those described earlier are given the same reference numerals and explanations are omitted. Two shield type tunnel excavators 30 started from both ends of the tunnel 22,
When the center of the tunnel 22 is reached, the excavation is stopped.
そして、２台のシールド式トンネル掘削機３０の後側か
ら、シールド式トンネル掘削機３０の外殻体３１の外側
であるトンネル２２の周囲部分２４の地山くそれぞれヒ
ートパイプ１を打ち込ぺ 或（戴 周囲部分２４の地山
に穿孔後その孔にヒートパイプ１を挿入して、このヒー
トパイプ１により周囲部分２４の地山を凍結する
そして、地山を凍結して固化した後、各シールド式トン
ネル掘削機３０を解体してトンネル２２外に搬呂し ト
ンネル２２の中央部に残された土砂等をトンネル２２外
に搬出すると共シミ 周囲部分２４の内側にセグメント
２３を装着しトンネル２２を形成する。Then, from the rear sides of the two shield-type tunnel excavators 30, heat pipes 1 are driven into the ground of the surrounding portion 24 of the tunnel 22, which is the outside of the outer shell 31 of the shield-type tunnel excavator 30. (Dai) After drilling a hole in the ground of the surrounding part 24, insert the heat pipe 1 into the hole, and freeze the ground of the surrounding part 24 with this heat pipe 1. Then, after freezing and solidifying the ground, each shield The type tunnel excavator 30 is dismantled and carried outside the tunnel 22, and the earth and sand left in the center of the tunnel 22 are carried out to the outside of the tunnel 22. Form.
第５図及び第６回置 トンネル２２を拡幅するトンネル
形成方法の一実施例の説明用の図である。FIGS. 5 and 6 are explanatory diagrams of an embodiment of a tunnel forming method for widening the tunnel 22. FIG.
この実施例１戴トンネル２２の拡幅すべき部分２５の画
方の端部から、拡幅すべき部分２５の周囲部分２４の地
山に、それぞ汰 ヒートパイプ１を打ち込べ 或は周囲
部分２４の地山に穿孔してその孔にヒートパイプ１を挿
入上 このヒートパイプ１により、周囲部分２４の地山
を凍結する。Embodiment 1 Heat pipes 1 are driven into the ground of the surrounding area 24 of the area 25 to be widened from the edge of the area 25 of the tunnel 22 to be widened, respectively. A hole is drilled into the ground and the heat pipe 1 is inserted into the hole. The heat pipe 1 freezes the ground in the surrounding area 24.
そして、凍結して固化した周囲部分２４の内側の拡幅す
べき部分２５を掘削して、拡幅部分を設けたトンネルを
形成する。Then, the portion 25 to be widened inside the frozen and solidified surrounding portion 24 is excavated to form a tunnel provided with the widened portion.
第７図（戴 本発明と近い関係にある発明の一実施例の
説明用の図である。FIG. 7 is a diagram for explaining an embodiment of an invention that is closely related to the present invention.
この発明の実施例（戴 凹部４０として掘削しようとす
る部分の外側部分４１にヒートパイプ１を挿入して、こ
のヒートパイプ１により外側部分４１を凍結する。次＆
気 前記凹部４０の土砂を掘削し 外側部分４１の内側
＆ミ 山留壁４２を立股する。そして、山留壁４２は支
持棒４３で外側部分４１に向けて圧接させて保持する。Embodiment of this invention (Dai) The heat pipe 1 is inserted into the outer part 41 of the part to be excavated as the recess 40, and the outer part 41 is frozen by the heat pipe 1.Next &
The earth and sand in the recess 40 is excavated, and the inner and outer retaining walls 42 of the outer portion 41 are erected. The retaining wall 42 is held in pressure contact with the outer portion 41 by a support rod 43.
本発明告 ヒートパイプ１よって掘削すべき周囲部分２
４となる地山を冷却するので、周囲部分２４の地山を極
低温で凍結できる。Announcement of the present invention Surrounding area 2 to be excavated by heat pipe 1
4, the ground in the surrounding area 24 can be frozen at extremely low temperatures.
そして、極低温に冷却するので、凍土形成期間が短縮で
きる。Since it is cooled to an extremely low temperature, the period of frozen soil formation can be shortened.
その結果工事費が低減される。As a result, construction costs are reduced.
さら＆ミ ヒートパイプ１は、冷凍装置１５と連通され
ていない独立したものに形成されているので、冷媒投入
、或鷹 冷凍装置１５の断続運転が可能であり、凍土放
置期間内のランニングコストが低減できる。Since the heat pipe 1 is formed as an independent unit that is not connected to the refrigeration device 15, it is possible to input refrigerant or operate the refrigeration device 15 intermittently, reducing running costs during the period when frozen soil is left. Can be reduced.
そして、ヒートパイプ１番戯 運転中メンテナンスフリ
ーであり、転用が可能であり便利である。Moreover, the heat pipe is convenient because it requires no maintenance during operation and can be used for other purposes.
そして、シールド式トンネル掘削機の発Ｌ 又鷹 到達
する立坑３５の側壁部あ、２台のシールド式トンネル掘
削機３０の接合位置、及び、 トンネルの拡幅すべき部
分５０の周囲部分２４の地山を極低温に凍結するので、
それらの位置における作業が容易である。Then, the side wall of the shaft 35 reached by the shield type tunnel excavator, the joining position of the two shield type tunnel excavators 30, and the ground around the area 24 of the part 50 where the tunnel is to be widened. is frozen at extremely low temperatures,
It is easy to work in those positions.
第１図は、本発明で使用するヒートパイプを用いた凍結
装置の一実施例の一部破砕し断面した側面云 第２図（
戯 シールド式トンネル掘削機の発急 又は、到達する
立坑の側壁部を凍結し掘削する方法の一実施例の説明用
の鳳 第３図はシールド式トンネル掘削機の接合位置に
おけるトンネルを凍結し掘削する方法の一実施例の説明
用のは第４図は第３図のＩＶ−ＩＶ線の断面は 第５図
はトンネルの拡幅する部分の凍結し掘削する方法の一実
施例の説明用のは 第６図は第５図のＭｌ−Ｍｌ線の断
面Ａ 第７図は凹部形成方法の一実施例の説明用の図で
ある。
１・・ヒートパイプ、 ８・・・凝縮服１０・・・蒸
発籐１５・・冷凍装置、２２・・トンネル、２４・・・
周囲部分、２５・・・拡幅すべき部分、３０・・シール
ド式トンネル掘削機
３５・・立礼 ３６・・側壁部
第５図
第６図
第７図Figure 1 is a partially fragmented and cross-sectional side view of an embodiment of a freezing device using a heat pipe used in the present invention.
Figure 3 is an explanation of an example of a method for freezing and excavating the side wall of the shaft that a shield type tunnel excavator is used to reach. Figure 4 is a cross section taken along the line IV-IV in Figure 3. Figure 5 is an illustration of an example of a method for freezing and excavating the widening part of a tunnel. FIG. 6 is a cross section A taken along the line Ml--Ml in FIG. 5. FIG. 7 is a diagram for explaining one embodiment of a method for forming a recess. 1...Heat pipe, 8...Condensation clothing 10...Evaporation rattan 15...Refrigerating device, 22...Tunnel, 24...
Surrounding portion, 25... Part to be widened, 30... Shield type tunnel excavator 35... Standing 36... Side wall portion Fig. 5 Fig. 6 Fig. 7
Claims (3)
る立坑の側壁部であって、掘削すべきトンネルの周囲部
分となる地山に、ヒートパイプを挿入し、このヒートパ
イプの凝縮部を、冷凍装置によって冷却された冷媒で冷
却し、ヒートパイプの蒸発部で掘削すべきトンネルの周
囲部分となる地山を凍結してトンネルを掘削するトンネ
ル形成方法。(1) A heat pipe is inserted into the ground that is the side wall of the shaft where the shield type tunnel excavation machine starts or reaches, which is the surrounding area of the tunnel to be excavated, and the condensation part of this heat pipe is A tunnel forming method in which a tunnel is excavated by cooling with a refrigerant cooled by a refrigeration device and freezing the ground surrounding the tunnel to be excavated using the evaporation part of a heat pipe.
シールド式トンネル掘削機の接合位置において、そのト
ンネルの周囲部分となる地山に、ヒートパイプを挿入し
、このヒートパイプの凝縮部を冷凍装置によって冷却さ
れた冷媒で冷却し、ヒートパイプの蒸発部で、トンネル
の周囲部分となる地山を凍結して、トンネルを掘削する
トンネル形成方法。(2) A heat pipe is inserted into the ground surrounding the tunnel at the joining point of the two shield tunnel excavators launched from both ends of the tunnel to be excavated, and the condensation part of this heat pipe is A tunnel forming method in which a tunnel is excavated by cooling with a refrigerant cooled by a freezing device and freezing the ground surrounding the tunnel using the evaporation section of a heat pipe.
に、ヒートパイプを挿入し、このヒートパイプの凝縮部
を冷凍装置によって冷却された冷媒で冷却し、ヒートパ
イプの蒸発部で、トンネルの拡幅すべき部分の周囲部分
となる地山を凍結して、トンネルを拡幅するトンネル形
成方法。(3) A heat pipe is inserted into the ground surrounding the area where the tunnel is to be widened, the condensing part of this heat pipe is cooled with refrigerant cooled by the refrigeration system, and the evaporating part of the heat pipe is used to A tunnel forming method in which the ground surrounding the area to be widened is frozen and the tunnel is widened.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17687790A JP2921935B2 (en) | 1990-07-04 | 1990-07-04 | Tunnel formation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17687790A JP2921935B2 (en) | 1990-07-04 | 1990-07-04 | Tunnel formation method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0464689A true JPH0464689A (en) | 1992-02-28 |
| JP2921935B2 JP2921935B2 (en) | 1999-07-19 |
Family
ID=16021340
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17687790A Expired - Fee Related JP2921935B2 (en) | 1990-07-04 | 1990-07-04 | Tunnel formation method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2921935B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5378024A (en) * | 1992-03-25 | 1995-01-03 | Tokai Rubber Industries, Ltd. | Quick connector |
| JP2007169881A (en) * | 2005-12-19 | 2007-07-05 | Shimizu Corp | Grouting method |
| CN102337896A (en) * | 2011-09-08 | 2012-02-01 | 上海盾构设计试验研究中心有限公司 | Roller type cutter rectangular pipe jacking machine |
| CN108716404A (en) * | 2018-05-17 | 2018-10-30 | 西安建筑科技大学 | A kind of Frozen Area freezing damage in tunnel prevention device and installation method |
-
1990
- 1990-07-04 JP JP17687790A patent/JP2921935B2/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5378024A (en) * | 1992-03-25 | 1995-01-03 | Tokai Rubber Industries, Ltd. | Quick connector |
| JP2007169881A (en) * | 2005-12-19 | 2007-07-05 | Shimizu Corp | Grouting method |
| JP4660820B2 (en) * | 2005-12-19 | 2011-03-30 | 清水建設株式会社 | Grouting method |
| CN102337896A (en) * | 2011-09-08 | 2012-02-01 | 上海盾构设计试验研究中心有限公司 | Roller type cutter rectangular pipe jacking machine |
| CN108716404A (en) * | 2018-05-17 | 2018-10-30 | 西安建筑科技大学 | A kind of Frozen Area freezing damage in tunnel prevention device and installation method |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2921935B2 (en) | 1999-07-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2447393C (en) | Method and apparatus for artificial ground freezing | |
| JP6448085B2 (en) | Ground freezing method and ground freezing system | |
| ATE15515T1 (en) | PROCEDURE FOR CREATING A TUNNEL. | |
| US9708787B2 (en) | Method for producing a contiguous ice body in a ground-freezing process | |
| JP2008019650A (en) | Ground freezing method | |
| KR100614795B1 (en) | Vibrationless rock breaking apparatus and method | |
| JPH0464689A (en) | Tunnel formation | |
| JP2005264717A (en) | Ground freezing method | |
| JP2002235957A (en) | Terrestrial heat exchange equipment in landslide dangerous area | |
| JP2007064549A (en) | Geothermal air-conditioning system | |
| JPH085162A (en) | Geothermal energy extractor | |
| JP2921934B2 (en) | Tunnel drilling method | |
| CN111472344B (en) | Method for extracting cold energy at inner side of upper freezing wall to strengthen lower freezing | |
| JP2743954B2 (en) | Freezing method and freezing tube | |
| JPH089222Y2 (en) | Ground freezing heat pipe | |
| CN114876467A (en) | Refrigeratable assembled supporting structure for high-frozen-soil-content tunnel and construction method | |
| JPS5953994B2 (en) | Underground tank construction method | |
| JPH06136738A (en) | Ground freezing construction method | |
| JP2000179276A (en) | Underground aquifer heat utilizing system | |
| JP2676011B2 (en) | Ground improvement method in tunnel excavation | |
| RU2650005C1 (en) | Method of cold accumulation in the ground | |
| JP4689876B2 (en) | Ground frozen mountain fastening method | |
| JP3117657B2 (en) | Freezing equipment around openings such as pits in steel shafts | |
| JP2754419B2 (en) | Ground freezing method using heat pipe | |
| KR20070052551A (en) | Water temperature control apparatus using ground heat |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| LAPS | Cancellation because of no payment of annual fees |