JPS6299599A - Waterproof heat-insulating plate and antifreezing method of tunnel using said plate - Google Patents
Waterproof heat-insulating plate and antifreezing method of tunnel using said plateInfo
- Publication number
- JPS6299599A JPS6299599A JP61239285A JP23928586A JPS6299599A JP S6299599 A JPS6299599 A JP S6299599A JP 61239285 A JP61239285 A JP 61239285A JP 23928586 A JP23928586 A JP 23928586A JP S6299599 A JPS6299599 A JP S6299599A
- Authority
- JP
- Japan
- Prior art keywords
- tunnel
- water
- layer
- waterproof
- heat insulating
- 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
- Lining And Supports For Tunnels (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
【発明の詳細な説明】
本発明はトンネルの凍結防止に使用する防水断熱板及び
これを用いたトンネルの凍結防止工法に関するものであ
る。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a waterproof heat insulating board used for preventing freezing of tunnels and a method of preventing freezing of tunnels using the same.
トンネルの建設に際しては、出来上ったトンネルが堅牢
であることは勿論、防水性、耐寒性に富んだものである
ことが望まれる。その理由は、防水性がないと、トンネ
ル上の地山がら水がトンネル内に滲出、滴下するし、ま
た防水性、耐寒性がないと、冬期特に寒冷地においては
、前記のトンネル内に滲出した水が凍ってつららとなり
、トンネル上壁から垂下して事故の原因になるばかりで
なく、トンネル自体が凍結して歪が生じ、この歪は解凍
しても全部は復元しないで残留するため、長年月の間に
は損壊するに至るおそれがあるからである。When constructing a tunnel, it is desirable that the completed tunnel not only be robust but also highly waterproof and cold resistant. The reason for this is that if the tunnel is not waterproof, water from the ground above the tunnel will seep and drip into the tunnel, and if it is not waterproof and cold resistant, water will seep into the tunnel in the winter, especially in cold regions. Not only does the water freeze and become icicles that hang down from the top of the tunnel, causing accidents, but the tunnel itself freezes and becomes distorted, and this distortion remains without being completely restored even after thawing. This is because there is a risk that it may become damaged over many years.
本発明は上述のような事情に鑑み、トンネルの凍結防止
に使用する防水断熱板及びこれを用いたトンネルの凍結
防止工法を提供することを目的としてなされたもので、
防水断熱板の構成は、適宜の弾性を有する平面矩形状の
独立発泡体から成り。In view of the above-mentioned circumstances, the present invention has been made for the purpose of providing a waterproof insulation board for use in preventing freezing of tunnels and a construction method for preventing freezing of tunnels using the same.
The structure of the waterproof heat insulating board consists of a flat rectangular closed foam body having appropriate elasticity.
表面にガラス繊維又はアスベスト等の無機質材から成る
保護層を一体に設けた断熱層の裏面に合成樹脂フィルム
等から成る止水層を貼着し、該止水層の裏面に通水層を
設けて形成した本体の一組の対向する側部に接合用の係
合部を形成すると共に他の一組の対向する側部の保護層
又は止水層に接合用のシートを設けて成ることを特徴と
するものであり、また、凍結防止工法の構成は、トンネ
ルの一次覆工又は二次覆工の防止断熱すべき部分に。A water-stopping layer made of a synthetic resin film, etc. is attached to the back side of a heat-insulating layer that has a protective layer made of an inorganic material such as glass fiber or asbestos integrally provided on the surface, and a water-permeable layer is provided on the back side of the water-stopping layer. An engaging part for joining is formed on one set of opposing sides of the main body formed by the above method, and a sheet for joining is provided on the protective layer or water stop layer on the other set of opposing sides. This is a feature of the freeze prevention method, and the anti-freezing method is applied to the primary lining or secondary lining of the tunnel to be insulated.
適宜の弾性を有する平面矩形状の独立発泡体から成り、
表面にガラス繊維又はアスベスト等の無機質材から成る
保護層を一体に設けた断熱層の裏面に合成樹脂フィルム
等から成る止水層を貼着し、該止水層の裏面に通水層を
設けて形成した本体の一組の対向する側部に接合用の係
合部を形成すると共に他の一組の対向する側部の保護層
又は止水層に接合用のシートを設けて成る防水断熱板の
適宜の個所に段付の取附孔を透設し、該孔に、その段部
に嵌合するカップ状で上縁に係止用の鍔を形成した取附
用部材を前記取附孔に嵌合し、前記防水断熱板を、接合
用シートをトンネルのアーチ状方向に向は通水層をトン
ネルの凍結防止すべき面の天井部に当てがい、前記取附
用部材の底抜からアンカーボルト等の固着部材を前記面
に打ち込んで覆面に取附け１次いで前記防水断熱板の両
側の接合用シートをトンネルの壁面に当てがい、それら
の上に他の防水断熱板をその接合用シートをトンネルの
壁面側に折曲するか切断して配し前記と同様にしてトン
ネルの前記面に貼着接合する作業を順次行なって、トン
ネル内周にアーチ状に防水断熱板を貼着する一方、前記
防水断熱板の係合部に他の防水断熱板の対応する係合部
を水密に係合すると共に前記と同様にトンネルの面に貼
着する作業を順次行うことを特徴とするものである。Consists of a planar rectangular closed foam with appropriate elasticity,
A water-stopping layer made of a synthetic resin film, etc. is attached to the back side of a heat-insulating layer that has a protective layer made of an inorganic material such as glass fiber or asbestos integrally provided on the surface, and a water-permeable layer is provided on the back side of the water-stopping layer. Waterproof insulation comprising a main body formed by forming an engaging part for joining on one set of opposing sides, and providing a joining sheet on the protective layer or water-stop layer on the other set of opposing sides. Stepped mounting holes are transparently provided at appropriate locations on the plate, and a mounting member having a cup shape and a locking collar formed on the upper edge that fits into the step is inserted into the hole. Fit the waterproof heat insulating board into the hole, apply the joining sheet in the arched direction of the tunnel, apply the water permeable layer to the ceiling of the surface of the tunnel that is to be prevented from freezing, and remove the bottom of the attachment member. Then, drive fixing members such as anchor bolts into the surface and attach them to the cover. 1. Next, apply the joining sheets on both sides of the waterproof insulation board to the tunnel wall surface, and place other waterproof insulation boards on top of them. The sheets are bent or cut and arranged on the tunnel wall side, and the sheets are pasted and joined to the tunnel wall in the same manner as described above, thereby pasting the waterproof insulation board in an arch shape around the tunnel's inner periphery. On the other hand, it is characterized by sequentially engaging the corresponding engaging portion of another waterproof insulating board with the engaging portion of the waterproof insulating board in a watertight manner and adhering it to the surface of the tunnel in the same manner as described above. It is.
次に本発明の実施例を図に拠り説明する。Next, embodiments of the present invention will be described with reference to the drawings.
Ａは本発明の一例の防水断熱板で、適宜の弾性を有する
平面矩形状の独立発泡体１ａ、ｌｂ、１ｃ、ｌｄを積層
定着して形成した断熱層１の表面にガラス繊維又はアス
ベスト等の無機質材から成る保護層２を積層定着する一
方、断熱層１の裏面に合成樹脂フィルム等から成る止水
層３を積層定着し、止水層３の裏面に細長の独立気泡体
又は不織布等から成る底板４を適宜間隔を置き間に通水
用の空隙５が形成されるように貼着して主体を構成し、
前記空隙５に平行側の両側の一方に表面側から、他方に
裏面から、それぞれ係合部６，７を設け、且つ空隙５に
直交側の両側の保護層２上に接合用シート８，９を突出
させて貼着しである。A is a waterproof heat insulating board as an example of the present invention, in which glass fiber, asbestos, etc. A protective layer 2 made of an inorganic material is laminated and fixed, while a water-stopping layer 3 made of a synthetic resin film or the like is laminated and fixed on the back side of the heat-insulating layer 1, and a water-stopping layer 3 made of elongated closed-cell foam or non-woven fabric or the like is formed on the back side of the water-stopping layer 3. The main body is constructed by attaching the bottom plates 4 consisting of the base plates 4 at appropriate intervals so that gaps 5 for water passage are formed between them,
Engaging parts 6 and 7 are provided on one side parallel to the gap 5 from the front side and the other side from the back side, and bonding sheets 8 and 9 are provided on the protective layer 2 on both sides perpendicular to the gap 5. It is pasted so that it sticks out.
尚、接合用シート８，９は止水層３に連設してもよい。Note that the joining sheets 8 and 9 may be provided continuously to the water stop layer 3.
而して、上記のように構成される防水断熱板Ａを用いて
トンネルｔの凍結防止工事を施工する例について説明す
れば、次の通りである。An example of antifreezing work for the tunnel t using the waterproof heat insulating board A configured as described above will be described as follows.
まず、防水断熱板Ａに段付で該段部を後述する防水服を
嵌合する形状の防水皿受け１０に形成した取附孔１１を
適宜数誘設しておき、該防水断熱板Ａの１枚を、接合用
シート８，９をトンネルｔのアーチ状方向に向け１通水
層をトンネルｔの凍結防止すべき面の天井部に当てがい
、防水皿受け１０に、上周縁に係止用の鍔１２を設けた
浅いカップ状の防水服１３を嵌合し、該防水服１３の底
部にブチルゴム等から成るコーキング材１４と平ワツシ
ヤ１５を入れ、先端にアンカ一部材１６を螺合したアン
カーボルト１７をワッシャ１５．防水服１３．取附孔１
１を通してトンネルｔに設けた孔１８に打込み、アンカ
ーボルト１７を回転させて、アンカ一部材１６を孔１８
に圧接する作業を各数階孔１１毎に行うことにより前記
防水断熱板Ａをトンネルｔに貼着し、この防水断熱板Ａ
の両側の接合用シート８，９をトンネルｔの壁面に当て
がい、それらの上に別の防水断熱板をその接合用シート
をトンネルの壁面側に折曲して配し前記と同様にトンネ
ルｔに貼着接合する作業を順次行なって、トンネル内周
にアーチ状に貼着する一方、前記の貼着した下位の防水
断熱板Ａの係合部６に他の防水断熱板の係合部７を間に
コーキング材を介在させて水密に係合接続すると共に必
要に応じて画板の接合部をホッチキスにより強固に固定
し、以下順次上及び横方向に所要量の防水断熱板を接合
固定して凍結防止工事を完了するのである。First, an appropriate number of attachment holes 11 formed in the waterproof pan holder 10 are formed in the waterproof heat insulating board A with steps and the stepped portions are shaped to fit waterproof clothing, which will be described later. Apply one water-permeable layer to the ceiling of the surface of the tunnel t that is to be prevented from freezing, with the joining sheets 8 and 9 facing the arched direction of the tunnel t, and lock it on the upper periphery of the waterproof tray holder 10. A shallow cup-shaped waterproof garment 13 provided with a flange 12 was fitted, a caulking material 14 made of butyl rubber, etc. and a flat washer 15 were put in the bottom of the waterproof garment 13, and an anchor member 16 was screwed to the tip. Anchor bolt 17 with washer 15. Waterproof clothing 13. Attachment hole 1
1 into the hole 18 provided in the tunnel t, rotate the anchor bolt 17, and insert the anchor member 16 into the hole 18.
The waterproof heat insulating board A is attached to the tunnel t by pressing the water insulating board A to the tunnel t by performing pressure contact on each several floor hole 11.
Apply the joining sheets 8 and 9 on both sides of the tunnel t to the wall surface of the tunnel t, and place another waterproof heat insulating board on top of them by bending the joining sheet toward the tunnel wall surface. The work of adhering and bonding is carried out sequentially to adhere the inner circumference of the tunnel in an arch shape, while attaching the engaging portion 7 of another waterproof insulating board to the engaging portion 6 of the lower waterproof insulating board A that has been pasted. Interpose a caulking material between them to engage and connect them in a watertight manner, and if necessary, firmly fix the joints of the drawing boards with staples, and then sequentially join and fix the required amount of waterproof insulation boards in the upper and lateral directions. This is to complete the antifreeze work.
上記のように本発明防水断熱板Ａを用いて凍結防止工事
を施工されたトンネルは、その上壁から漏水しても水は
空隙５により形成される通水路を通って流下し、外部へ
排出されるから、およそトンネル内で漏水するおそれは
ないし、また、冬期などトンネル内を冷たい風が吹き抜
けても冷気は保護層２．断熱層１に遮られてトンネル壁
に伝えられず、従って、トンネルが凍結するおそれもな
い６然も、各防水断熱板の接合部は水密にシールされる
ので、それら接合部から漏水するおそれも全くない。As mentioned above, even if water leaks from the upper wall of a tunnel constructed to prevent freezing using the waterproof and heat insulating board A of the present invention, the water flows down through the passageway formed by the void 5 and is discharged to the outside. Therefore, there is no risk of water leaking inside the tunnel, and even if cold wind blows through the tunnel during the winter, the cold air is protected by the protective layer 2. Water is blocked by the heat insulating layer 1 and is not transmitted to the tunnel wall, so there is no risk of the tunnel freezing.6However, since the joints of each waterproof heat insulating board are sealed watertight, there is no risk of water leaking from those joints. Not at all.
尚、実際にトンネルの凍結防止工事を行なう場合、トン
ネルの長さ方向両端部側に位置する防水断熱板はその外
側に当る側には係合部を設けないでその側面に保護層を
設けるものとし、また、トンネルの内周方向即ちアーチ
状方向の最下位に位置する防水断熱板の下位の接合用シ
ートはこれを設けないで、必要に応じ下側に予め保護層
を設けるものとする。In addition, when actually performing antifreeze work on a tunnel, the waterproof insulation boards located at both ends of the tunnel in the length direction should have a protective layer on the side without an engaging part on the side that corresponds to the outside. In addition, the bonding sheet below the waterproof and heat insulating board located at the lowest position in the inner peripheral direction of the tunnel, that is, in the arched direction, is not provided with this, but a protective layer is provided in advance on the lower side as necessary.
以上は接合用シート８，９を保護層２上に突出させて貼
着した防水断熱板Ａについて述べたが、次に接合用シー
ト８’、９’を不透水層即ち止水層３に連設した防水断
熱板Ａ′について説明する。The above has described the waterproof heat insulating board A in which the bonding sheets 8 and 9 are pasted on the protective layer 2, but next, the bonding sheets 8' and 9' are connected to the impermeable layer, that is, the water stop layer 3. The installed waterproof and heat insulating board A' will be explained.
第５図は防水断熱板Ａ′の正面図で、接合用シート８’
、９’は、第６図に示すように止水層３に連設してあり
、この防水断熱板Ａ′を用いてトンネルｔの凍結防止工
事を施工する例について説明すれば１次の通りである。Figure 5 is a front view of the waterproof heat insulating board A', and the joining sheet 8'
, 9' are connected to the water stop layer 3 as shown in Fig. 6, and an example of antifreezing construction of the tunnel t using this waterproof insulation board A' is as follows. It is.
尚、第５図及び第６図中、第１図乃至第４図と同一符号
は同一部分を示す。In FIGS. 5 and 6, the same reference numerals as in FIGS. 1 to 4 indicate the same parts.
まず、防水断熱板Ａ′□を、トンネルｔの防水工事を施
工すべき部の天井に貼着し、接合用シート８′をトンネ
ルｔの壁面に当てて、その上に別の防水断熱板Ａ′２を
、その接合用シート９′をトンネル先の壁面側に折曲し
前記接合用シート８″上に配してトンネルｔの壁面に貼
着する一方、防水断熱板Ａ′、の接合用シート９′をト
ンネルの壁面に当てて、その上に別の防水断熱板Ａ ’
３を、その接合用シート８′をトンネルｔの壁面側に
折曲し前記接合用シート９′上に配してトンネルｔの壁
面に貼着する作業を順次行なってトンネル内周にアーチ
状に防水断熱板Ａ′を貼着し、この貼着した防水断熱板
Ａ′の係合部７に他の防水断熱板Ａ′の係合部６を水密
に係合すると共に前記と同様にしてトンネル内周の所要
面に順次アーチ状に防水断熱板Ａ′を貼着するのであり
、その効果は前述の接合用シートを保護板上に設けた場
合と同様である。First, attach the waterproof heat insulating board A''2, the joining sheet 9' is bent toward the wall surface at the end of the tunnel, placed on the joining sheet 8'', and pasted on the wall surface of the tunnel t. Place sheet 9' against the tunnel wall and place another waterproof insulation board A' on top of it.
3, the joining sheet 8' is bent toward the wall of the tunnel t, placed on the joining sheet 9', and pasted to the wall of the tunnel t. A waterproof heat insulating board A' is pasted, and the engaging part 6 of another waterproof heat insulating board A' is watertightly engaged with the engaging part 7 of the pasted waterproof heat insulating board A', and the tunnel is closed in the same manner as above. Waterproof and heat insulating plates A' are sequentially pasted in an arch shape on required surfaces of the inner periphery, and the effect is the same as when the above-mentioned bonding sheet is provided on the protective plate.
尚、上記にあっては既にトンネルｔの壁面に貼着した防
水断熱板Ａ′に接合する防水断熱板Ａ′の接合用シート
を折曲した場合について述べたが、この接合用シートは
切断してもよい。In addition, in the above, the case where the joining sheet of the waterproof heat insulating board A' to be joined to the waterproof heat insulating board A' attached to the wall surface of the tunnel t is bent is described, but this joining sheet is not cut. It's okay.
本発明は上述の通りであるから、トンネルの凍結防止の
ために極めて有用である。Since the present invention is as described above, it is extremely useful for preventing freezing of tunnels.
第１図は本発明防水断熱板の一例の正面図、第２図及び
第３図は接合部の拡大断面図、第４図は防水断熱板をト
ンネルの壁面に貼着する際にアンカーボルトを打込んだ
状態の拡大断面図、第５図は本発明防水断熱板の別個の
正面図、第６図はその接合部の拡大断面図である。
Ａ、Ａ’・・・防水断熱板、ｔ・・・トンネル、１・・
・断熱層、１ ａ 、 １ ｂ 、 １ ｃ 、 １
ｄ ”’独立発泡体、２・・・保護層、３・・・止水層
、４・・・底板、５・・・通水路になる空隙、６，７・
・・係合部、８，９・・・接合用シート、１０・・・防
水皿受け、１１・・・数階孔、１２・・・係止用鍔、１
３・・・防水服、１４・・・コーキング材、１６・・・
アンカ一部材、１７・・・アンカーボルト。
１８・・・トンネルに設けた孔Figure 1 is a front view of an example of the waterproof insulation board of the present invention, Figures 2 and 3 are enlarged cross-sectional views of the joint, and Figure 4 shows the use of anchor bolts when attaching the waterproof insulation board to the tunnel wall. FIG. 5 is a separate front view of the waterproof and heat insulating board of the present invention, and FIG. 6 is an enlarged sectional view of the joint portion thereof. A, A'...waterproof insulation board, t...tunnel, 1...
・Heat insulation layer, 1a, 1b, 1c, 1
d"' Closed foam, 2...Protective layer, 3...Water stop layer, 4...Bottom plate, 5...Gap that becomes water passage, 6,7.
...Engagement part, 8, 9...Joining sheet, 10...Waterproof tray holder, 11...Multiple floor hole, 12...Locking collar, 1
3...Waterproof clothing, 14...Caulking material, 16...
Anchor part, 17... Anchor bolt. 18... Hole made in the tunnel
Claims (1)
り、表面にガラス繊維又はアスベスト等の無機質材から
成る保護層を一体に設けた断内層の裏面に合成樹脂フィ
ルム等から成る止水層を貼着し、該止水層の裏面に通水
層を設けて形成した本体の一組の対向する側部に接合用
の係合部を形成すると共に他の一組の対向する側部の保
護層又は止水層に接合用シートを設けて成ることを特徴
とする防水断熱板。 ２ トンネルの一次覆工又は二次覆工の防水断熱すべき
部分に、適宜の弾性を有する平面矩形状の独立発泡体か
ら成り、表面にガラス繊維又はアスベスト等の無機質材
から成る保護層を一体に設けた断熱層の裏面に合成樹脂
フィルム等から成る止水層を貼着し、該止水層の裏面に
通水層を設けて形成した本体の一組の対向する側部に接
合用の係合部を形成すると共に他の一組の対向する側部
の保護層又は止水層に接合用シートを設けて成る防水断
熱板の適宜の個所に段付の取附孔を透設し、該孔に、そ
の段部に嵌合するカップ状で上縁に係止用の鍔を形成し
た取付用部材を前記取附孔に嵌合し、前記防水断熱板を
、接合用シートをトンネるのアーチ状方向に向けて通水
層をトンネルの凍結防止すべき面の天井部に当てがい、
前記取附用部材の底板からアンカーボルト等の固着部材
を前記面に打ち込んで該面に取附け、次いで前記防水断
熱板の両側の接合用シートをトンネルの壁面に当てがい
、それらの上に他の防水断熱板をその接合用シートをト
ンネルの壁面側に折曲するか切断して配し前記と同様に
してトンネルの前記面に貼着接合する作業を順次行なっ
て、トンネル内周にアーチ状に防水断熱板を貼着する一
方、前記防水断熱板の係合部に他の防水断熱板の対応す
る係合部を水密に係合すると共に前記と同様にトンネル
の面に貼着する作業を順次行うことを特徴とするトンネ
ルの凍結防止工法。[Scope of Claims] 1. A synthetic resin film or the like is formed on the back side of the internal layer, which is made of a planar rectangular closed foam having appropriate elasticity and has a protective layer made of an inorganic material such as glass fiber or asbestos integrally provided on the surface. A water-stopping layer consisting of is pasted, and a water-permeable layer is provided on the back side of the water-stopping layer.An engaging portion for joining is formed on one pair of opposing sides of the main body, and an engaging portion for joining is formed on the opposite side of the main body. A waterproof heat insulating board characterized in that a bonding sheet is provided on a protective layer or a water-stop layer on opposing sides. 2. The parts of the primary lining or secondary lining of the tunnel that are to be waterproofed and insulated are made of a planar rectangular closed foam with appropriate elasticity, and a protective layer made of inorganic material such as glass fiber or asbestos is integrated on the surface. A water-stopping layer made of a synthetic resin film or the like is pasted on the back side of the heat-insulating layer provided on the main body, and a water-permeable layer is provided on the backside of the water-stopping layer. Stepped mounting holes are transparently formed at appropriate locations on a waterproof heat insulating board that forms an engaging part and is formed by providing a joining sheet on the protective layer or water stop layer on the other pair of opposing sides, A mounting member having a cup shape and a locking flange formed on the upper edge that fits into the stepped portion is fitted into the mounting hole, and the waterproof heat insulating board is tunneled through the joining sheet. Apply the water-permeable layer in the arched direction to the ceiling of the surface of the tunnel that should be protected from freezing.
A fixing member such as an anchor bolt is driven into the surface from the bottom plate of the attachment member and attached to the surface, and then the joining sheets on both sides of the waterproof insulation board are applied to the tunnel wall surface, and other parts are placed on top of them. The waterproof heat insulating board is placed on the tunnel wall by bending or cutting the bonding sheet, and is adhered and bonded to the tunnel wall in the same manner as described above, thereby creating an arched shape around the inner circumference of the tunnel. At the same time, the corresponding engaging part of another waterproof heat insulating board is watertightly engaged with the engaging part of the waterproof heat insulating board, and the work is also carried out to affix it to the surface of the tunnel in the same manner as above. A method for preventing freezing of tunnels, which is carried out sequentially.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61239285A JPS6299599A (en) | 1986-10-09 | 1986-10-09 | Waterproof heat-insulating plate and antifreezing method of tunnel using said plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61239285A JPS6299599A (en) | 1986-10-09 | 1986-10-09 | Waterproof heat-insulating plate and antifreezing method of tunnel using said plate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6299599A true JPS6299599A (en) | 1987-05-09 |
| JPS6245398B2 JPS6245398B2 (en) | 1987-09-26 |
Family
ID=17042466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61239285A Granted JPS6299599A (en) | 1986-10-09 | 1986-10-09 | Waterproof heat-insulating plate and antifreezing method of tunnel using said plate |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6299599A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008303613A (en) * | 2007-06-07 | 2008-12-18 | Hokkaido Railway Co | Heat insulating waterproof board for tunnel and mounting structure thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4915712B2 (en) * | 2001-02-09 | 2012-04-11 | 西松建設株式会社 | Shield panel and seal structure using the shield panel |
-
1986
- 1986-10-09 JP JP61239285A patent/JPS6299599A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008303613A (en) * | 2007-06-07 | 2008-12-18 | Hokkaido Railway Co | Heat insulating waterproof board for tunnel and mounting structure thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6245398B2 (en) | 1987-09-26 |
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