JPH02157307A - Erection for pc snow shelter - Google Patents
Erection for pc snow shelterInfo
- Publication number
- JPH02157307A JPH02157307A JP31014388A JP31014388A JPH02157307A JP H02157307 A JPH02157307 A JP H02157307A JP 31014388 A JP31014388 A JP 31014388A JP 31014388 A JP31014388 A JP 31014388A JP H02157307 A JPH02157307 A JP H02157307A
- Authority
- JP
- Japan
- Prior art keywords
- shelter
- snow
- snow shelter
- piece
- line
- 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
- 238000010276 construction Methods 0.000 claims description 22
- 238000000034 method Methods 0.000 claims description 5
- 230000003028 elevating effect Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000011513 prestressed concrete Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 4
- 239000004567 concrete Substances 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000004078 waterproofing Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 241001609370 Puschkinia scilloides Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 239000011178 precast concrete Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F7/00—Devices affording protection against snow, sand drifts, side-wind effects, snowslides, avalanches or falling rocks; Anti-dazzle arrangements ; Sight-screens for roads, e.g. to mask accident site
- E01F7/04—Devices affording protection against snowslides, avalanches or falling rocks, e.g. avalanche preventing structures, galleries
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明はプレストレストコンクリート（ｐｃ）スノーシ
ェルターの架設工法に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a method for constructing a prestressed concrete (PC) snow shelter.
［従来の技術］
わが国の国土面積の５２％が雪国であり、防雪計画は重
要な防災対策である。近年積雪地方における冬季の道路
交通確保のために、除雪、融雪などの諸施策がなされて
おり、また積雪やなだれに対してはスノーシェッドで対
処することができるが、山間部特に吹き溜りの激しい区
域等においては、これらの施策は適切とは言い難（、ス
ノーシェルターを架設して道路全体を防護することが最
も適切である。[Prior Art] 52% of Japan's land area is covered by snow, and snow prevention planning is an important disaster prevention measure. In recent years, various measures such as snow removal and snow melting have been taken to ensure road traffic in winter in areas with heavy snowfall, and snow sheds can be used to deal with snow accumulation and avalanches. In such cases, these measures cannot be said to be appropriate (it is most appropriate to protect the entire road by constructing a snow shelter).
このようなスノーシェルターは、耐候性、耐久性などの
観点からコンクリート製のシェルターが好ましい、しか
しコンクリートは現場打ち施工する場合には、型枠その
他多くの機械を必要とし。Concrete shelters are preferred for such snow shelters in terms of weather resistance and durability, but concrete requires formwork and many other machines when cast on site.
また鉄筋組立や養生期間を必要とするなど架設工期、工
数が多大となる。これを避けるため、安価類工期に施工
することのできる高品質のプレストレストコンクリート
（ＰＣ）部材が開発されている（実開昭５９−１９２９
１１．実開昭６０−９６４１２、）
ｒ発明が解決しようとする課題）
本発明は上記実情に鑑みＰＣスノーシェルターの合理的
で迅速な架設工法を提供することを目的とするものであ
る。In addition, the construction period and man-hours are large due to the need for assembling reinforcing bars and curing period. In order to avoid this, high-quality prestressed concrete (PC) members have been developed that can be constructed at low cost and during the construction period.
11. In view of the above-mentioned circumstances, the present invention aims to provide a rational and quick construction method for a PC snow shelter.
〔課題を解決するための手段ｊ
本発明は、上記目的を達成するため次の技術手段によっ
て構成される。[Means for Solving the Problems j] In order to achieve the above object, the present invention is constituted by the following technical means.
■ スノーシェルターの単位パネル（以下ピースという
）を予め製作しておく、このピースは、３ヒンジアーチ
構造のスノーシェルターを形成する単位パネルとする。■ A snow shelter unit panel (hereinafter referred to as a piece) is manufactured in advance. This piece is a unit panel that forms a snow shelter with a three-hinge arch structure.
このピースはスノーシェルターの長さ方向（路線に沿う
路線の長手方向）の寸法が単位長で、路線に直角な周方
向がほぼｌ／４円周の円弧状をなすものである。This piece has a unit length in the longitudinal direction of the snow shelter (longitudinal direction of the line along the line), and has an arc shape with a circumferential direction perpendicular to the line having approximately 1/4 circumference.
このピースは、左右対称な２枚のパネルを頂部で結合し
て、アーチ形を形成し、その両脚部をシェルター基礎上
に固定する。また、スノーシェルターの路線に沿う長さ
方向は隣接パネルとの結合部を有し、数個のピースを緊
結して１ブロツクとする。This piece consists of two symmetrical panels joined at the top to form an arch, the legs of which are fixed onto the shelter foundation. In addition, the length direction along the line of the snow shelter has a connection part with an adjacent panel, and several pieces are tightly connected to form one block.
■ スノーシェルターを架設すべき路線の両側部に、路
線に沿うシェルター基礎を構築する。■ Build shelter foundations along the route on both sides of the route where the snow shelter is to be erected.
この基礎は、シェルターの両脚部の垂直、水平荷重を受
けるもので、路線に沿う連続布基礎とすることが好まし
い、必要に応じて、地中梁等によって、両側の基礎を連
結する設計としてもよい。This foundation receives the vertical and horizontal loads from both legs of the shelter, and is preferably a continuous fabric foundation along the line.If necessary, the foundations on both sides may be connected using underground beams, etc. good.
■ この両側の基礎より路線の内側に路線に沿う軌条を
仮設する。この軌条のレールゲージは通常は一定とする
が、場合によっては広狭を付してもよい。■Temporary rails will be built inside the line from the foundations on both sides along the line. The rail gauge of this rail is usually constant, but it may be widened or narrowed depending on the case.
■ 仮設した軌条上にスノーシェルター作業台車を載置
する０作業台車は、軌条上を走行する車輪を有し、ジヤ
ツキ、作業台等を備えている。■ The snow shelter work cart is placed on the temporary rails. The work cart has wheels that run on the rails, and is equipped with jacks, a work platform, etc.
少なくともピースの単位長の２倍より長い車輪とするこ
とが好ましい。作業台車は架設したスノーシェルター内
を走行できる輪郭寸法（車輌限界）の枠組を有し、その
中央頂部にはシェルターのピースを受ける昇降ジヤツキ
を備える。Preferably, the wheel is longer than at least twice the unit length of the piece. The work trolley has a framework with a contour dimension (vehicle limit) that allows it to run inside the constructed snow shelter, and is equipped with a lifting jack at the center top to receive the shelter pieces.
この作業台車は、軌条上に跨がる鳥居状または門型の構
造物として１作業休止時にその下を自動車等が通行でき
る構造物とすれば、交通遮断を最小限に留めることがで
き好適である。This work trolley is preferably a torii-like or gate-like structure that straddles the rails and allows cars, etc. to pass under it during one work stoppage, since traffic interruption can be kept to a minimum. be.
また、路線の幅員の広狭に応じてレールゲージを可変と
した構造とすることもできる。It is also possible to have a structure in which the rail gauge is variable depending on the width of the line.
■ 前記スノーシェルターピースを架設現場に撮人し、
トラッククレーン等にてこれを吊上げ。■ Photograph the snow shelter piece at the construction site;
Lift this up using a truck crane, etc.
前記シェルター基礎および架設台車上に載せる。このと
き、左右−組の対称なピースを頂部で突合するように置
（。Place it on the shelter foundation and construction trolley. At this time, place the left and right sets of symmetrical pieces so that they butt at the top.
■ ピースの頂部を結合する。また既設の隣接パネルと
の結合部を結合する。■ Join the tops of the pieces. Also, connect the joints with existing adjacent panels.
■ 昇降ジヤツキを降下させ、作業台車を次のピース架
設作業位置に移動する。■ Lower the lifting jack and move the work cart to the next piece erection work position.
■ 上記■〜■の工程を繰返すことにより例えばピース
数個をｌブロックとしたスノーシェルターを順次構築す
ることができる、スノーシェルターの長手方向（路線の
長平に沿う方向）の数個のピースｌブロックとし、これ
らをプレストレス導入によって緊結する。この場合、予
めコンクリート中に埋設しであるシースにプレストレス
トコンクリート用鋼材を挿通し、この鋼材に応力を導入
してその両端を定着する。■ By repeating the steps from ■ to ■ above, it is possible to sequentially construct a snow shelter with several pieces as l blocks. These are then tied together by introducing prestress. In this case, a steel material for prestressed concrete is inserted into a sheath that is buried in concrete in advance, stress is introduced into this steel material, and both ends of the steel material are fixed.
■ なお、本工法は路線の広狭に応じて、敷幅サイズの
異なるパネルを施工することを妨げるものではない。■ This construction method does not preclude the construction of panels with different widths depending on the width of the route.
［相］ スノーシェルターの採光窓の取付工事や防水の
ための外装工事等は以上の工程に引続き行えばよい。[Phase] Installation work for snow shelter lighting windows, exterior work for waterproofing, etc. can be carried out following the above steps.
〔作用］
本発明のＰＣスノーシェルターは
（１）山地道路、特に両切上や片切上によって造成され
た吹き溜りを起こしやすい地形の道路、
（２）除雪が困難なトンネル坑口付近、（３）縦断勾配
の急な坂道。[Function] The PC snow shelter of the present invention is suitable for use on (1) mountainous roads, especially roads with topography that is prone to snowdrifts created by double-sided or single-sided slopes, (2) near tunnel entrances where snow removal is difficult, (3) ) A slope with a steep vertical slope.
（４）地吹雪が発生しやすい場所 などに用いられる。(4) Places where blizzards are likely to occur It is used for such things.
本発明によればプレキャストコンクリートスノーシェル
ターを短期間に施工することができる。According to the present invention, a precast concrete snow shelter can be constructed in a short period of time.
〔実施例１
本発明方法で施工する尖頭形アーチ構造スノーシェルタ
ーの例を第７図に骨格図で示した。第７図は曲率半径Ｒ
を一定とし、シェルターの幅員ｗ１．ｗ２に応じて調整
した３ヒンジアーチ形構造である。この部材は。[Example 1] An example of a snow shelter with a pointed arch structure constructed by the method of the present invention is shown in a skeletal diagram in FIG. Figure 7 shows the radius of curvature R
is constant, and the width of the shelter w1. It is a three-hinge arched structure adjusted according to w2. This member is.
荷重条件
設計積雪深：Ｈｓ＝２．３，４．５ｍ
ｍ設計水平度：ｋｈ＝０．２
道路条件
平面曲線：８２５０ｍ
縦断勾配：１６８％
部材条件
部材標準幅：２．４９ｍ
部材厚さ：０．２５．０．３０ｍ
断面形状：矩形断面
構造種別：ボストテンション方式プレストレストコンク
リート
であり、シェルター幅員Ｗ＝９〜１２ｍ、アーチ半径Ｒ
＝６ｍとし、積雪深さに対応した力学的構造を有してい
る。Loading conditions Design snow depth: Hs = 2.3, 4.5m Design horizontality: kh = 0.2 Road conditions plane curve: 8250m Vertical slope: 168% Member conditions Member standard width: 2.49m Member thickness: 0 .25.0.30m Cross-sectional shape: Rectangular cross-sectional structure type: Bost tension prestressed concrete, shelter width W = 9 to 12 m, arch radius R
= 6 m, and has a mechanical structure corresponding to the snow depth.
また、道路の平面線形が曲線の場合、横断勾配であった
場合、車道部に拡幅部がある場合などには、これらに対
応する異形部材を用いる。Furthermore, if the horizontal alignment of the road is a curve, if the road has a cross slope, if there is a widened part of the roadway, a corresponding irregularly shaped member is used.
第８図（ａ）は実施例のスノーシェルターの横断面図、
第８図（ｂ）はその側面図である。この実施例の単位パ
ネルは敷幅１０ｍ、高さ６ｍのアーチ用であって、道路
長手方向寸法２．５ｍ、アーチに沿う長さ（内側）７ｍ
である。この単位パネルは有効幅員６．５ｍ、高さ４．
７ｍの車輌限界を有する。窓（採光板）９の大きさはｌ
ｍＸ２ｍである。FIG. 8(a) is a cross-sectional view of the snow shelter of the example;
FIG. 8(b) is a side view thereof. The unit panel of this example is for an arch with a floor width of 10 m and a height of 6 m, the dimension in the longitudinal direction of the road is 2.5 m, and the length along the arch (inside) is 7 m.
It is. This unit panel has an effective width of 6.5m and a height of 4.
It has a vehicle limit of 7m. The size of the window (lighting board) 9 is l
It is m×2m.
第１図〜第３図に本発明の架設工法の説明図を示した。1 to 3 are explanatory diagrams of the construction method of the present invention.
第１図、第２図はトラック８によって運搬されてきたシ
ェルター単位パネルｌが、クレーン２によって架設位置
に取り付けられる状況を示している。1 and 2 show a situation in which a shelter unit panel l transported by a truck 8 is attached to an erection position by a crane 2.
シェルター基礎３が路線の長手方向に路線の両側部に構
築されている。このシェルター基礎３より内側に路線の
長手方向に沿って軌条４が敷設されており、この軌条４
上に作業台車５が載置されている。作業台車５は軌条４
上を走行する。Shelter foundations 3 are constructed on both sides of the line in the longitudinal direction of the line. A rail 4 is laid along the longitudinal direction of the line inside this shelter foundation 3, and this rail 4
A work cart 5 is placed on top. The work trolley 5 is on the rail 4
run on top.
第１図においてビテー足場６は架設されたスノージェル
ターフの外装工事のための足場である。In FIG. 1, a bitty scaffold 6 is a scaffold for exterior construction of an erected snow gel turf.
第４図に示すスノーシェルターピースｌは、第５図に示
すように０、シェルター基礎３上に左右１組を組立てて
１セツトとし、ピースｌの頂部１ａを相互に連結し、脚
部１ｂはシェルター基礎３上に固定される。このような
左右１セットのピース４組を第６図に示すように１ブロ
ツクとして緊結する。ブロック間は縁切りとし、伸縮性
を有する目地を施工する。As shown in FIG. 5, the snow shelter pieces l shown in FIG. It is fixed on the shelter foundation 3. Four such sets of left and right pieces are tied together as one block as shown in FIG. Edges will be cut between the blocks and elastic joints will be constructed.
第９図はシェルター基礎３とパネルｌとの取付横道の例
を示すもので、パネルに設けられた５０ｍｍφの孔ｌＯ
にそれぞれ３２ｍｍφのアンカーパー１１（３本）を嵌
入して基礎と結合し無収縮モルタル１２でグラウトされ
る。シェルター基礎３とパネルとの間には均しモルタル
１３、ゴム支承１４、エラスタイト１５が介装される。Figure 9 shows an example of the installation path between the shelter foundation 3 and the panel l.
Anchor pars 11 (3 pieces) each having a diameter of 32 mm are fitted into the holes, connected to the foundation, and grouted with non-shrinkage mortar 12. Leveling mortar 13, rubber bearings 14, and elastite 15 are interposed between the shelter foundation 3 and the panel.
横締孔１６は４０ｍｍφのシースが埋込まれており、第
６図に示すようにと−ス４枚を１ブロツクとして横締め
して自立させ、ブロック間は伸縮目地を施工する。第１
Ｏ図は外装仕上の説明図である。A sheath with a diameter of 40 mm is embedded in the horizontal tightening hole 16, and as shown in FIG. 6, four pieces of sheaths are made into one block and are horizontally tightened to stand on their own, and expansion joints are constructed between the blocks. 1st
Figure O is an explanatory diagram of the exterior finish.
第１Ｏ図は外装施工の説明図である。上述のようにピー
スｌの頂部連結具２３の連結締付、ＰＣ鋼材２２の緊張
定着、シェルター基礎３との連結アンカーボルト１１の
固定、採光窓の施工の後、外装施工を行う。FIG. 1O is an explanatory diagram of exterior construction. As described above, after the connection tightening of the top connector 23 of the piece 1, the tension fixing of the PC steel material 22, the fixation of the connecting anchor bolt 11 to the shelter foundation 3, and the construction of the lighting window, the exterior construction is performed.
外装施工としては下地材１弾性シーリング材、防水シー
ト、バックアツプ材を含む頂部防水工２４、隣接部材間
防水工２５および塗装工などを行う。Exterior construction includes base material 1 elastic sealant, waterproof sheet, top waterproofing 24 including back-up material, waterproofing between adjacent members 25, and painting.
第１１図は本発明のＰＣスノーシェルターの架設工法の
全体工事工程をフローチャートで示したものである。FIG. 11 is a flowchart showing the entire construction process of the PC snow shelter construction method of the present invention.
［発明の効果Ｊ
本発明に係るＰＣスノーシェルターは
イ） 建設費、維持管理費、耐久性を含めたライフサイ
クルコストが経済的である。[Effects of the Invention J The PC snow shelter according to the present invention is a) economical in life cycle costs including construction costs, maintenance costs, and durability.
口） シェルター内は採光窓をとることによって、明る
さと視距を確保することができる。(Example) By providing lighting windows inside the shelter, brightness and viewing distance can be ensured.
ハ） プレキャスト組立方式であるので、工期が短縮で
きる。c) Since it is a precast assembly method, the construction period can be shortened.
二） ３ヒンジアーチ構造（静定系）のため、部材端に
曲げモーメントは発生せず、基礎の施工が簡易であり、
沈下にも容易に対応できる。2) Because of the 3-hinged arch structure (statically determined system), no bending moment is generated at the ends of the members, and foundation construction is simple.
It can easily cope with subsidence.
ホ） アーチ型構造のため、無言期の美観が良しＡ。e) Due to the arched structure, the aesthetic appearance during the silent period is A.
二） 周囲の景観との調和を計る外装仕上げも可能であ
る。2) Exterior finishing that harmonizes with the surrounding landscape is also possible.
等の特徴を有する。It has the following characteristics.
本発明によれば耐候性、耐久性に冨むコンクリート製ス
ノーシェルターを短期間に容易に施工することができる
。According to the present invention, a concrete snow shelter with excellent weather resistance and durability can be easily constructed in a short period of time.
第１図、第２図は本発明の実施例の施工状態を示す斜視
図、第３図は本発明方法の実施に用いるスノーシェルタ
ーパネルの（ａ）正面図、（ｂ）側面図、第４図はスノ
ーシェルクーピースの斜視図、第５図はスノーシェルタ
ーの断面図、第６図はスノーシェルターの１ブロツクの
斜視図、第７図はスノーシェルターの骨格図、第８図は
スノーシェルターの（ａ）横断面図、（ｂ）側面図、第
９図はシェルター基礎とパネルとの取付構造の（ａ）断
面図、（ｂ）一部断面を含む側面図、第１Ｏ図は外装施
工の説明図、第１１図は本発明工法のフローチャートで
ある。
１・・・単位パネル
２・・・クレーン
３・・・シェルター基礎
４・・・軌条
５・・・作業台車
６・・・ビテー足場
７・・・スノーシェルタ
８・・・トラック
第５図1 and 2 are perspective views showing the construction state of the embodiment of the present invention, and FIG. 3 is (a) a front view, (b) a side view, and a The figure is a perspective view of a snow shell coupe, Figure 5 is a cross-sectional view of the snow shelter, Figure 6 is a perspective view of one block of the snow shelter, Figure 7 is a skeletal diagram of the snow shelter, and Figure 8 is a diagram of the snow shelter. (a) Cross-sectional view, (b) side view, Figure 9 is (a) cross-sectional view of the mounting structure between the shelter foundation and panel, (b) side view including a partial cross-section, and Figure 1O is the exterior construction. The explanatory diagram, FIG. 11, is a flowchart of the construction method of the present invention. 1...Unit panel 2...Crane 3...Shelter foundation 4...Rail 5...Work trolley 6...Vitae scaffolding 7...Snow shelter 8...Track Figure 5
Claims (1)
ルであって、路線に沿う長さ方向が単位長で路線に直角
な周方向がほぼ１／４円周のスノーシェルターピースを
予め製作しておき、 スノーシェルター架設路線の両側部に路線 に添うシェルター基礎を構築し、該基礎より内側に軌条
を仮設し、 該軌条上に、スノーシェルター内を走行可 能な外形寸法を有し前記スノーシェルター ピースの頂部を受ける昇降ジャッキを備えた移動作業台
車を載置し、 前記スノーシェルターピースを、前記シェ ルター基礎および前記作業台車の昇降ジャッキ上に載せ
、頂部を連結し、隣接パネルとの結合部を結合し次いで
前記昇降ジャッキを降下させて作業台車を移動し、順次
前記パネル組立を繰返してスノーシェルターを構築する
ＰＣスノーシェルターの架設工法。[Scope of Claims] 1. A precast panel forming a pointed three-hinged arch, in which a snow shelter piece having a unit length in the longitudinal direction along the line and approximately 1/4 circumference in the circumferential direction perpendicular to the line is pre-assembled. Build shelter foundations on both sides of the snow shelter construction route along the route, temporarily install rails inside the foundations, and on the rails, have external dimensions that allow running inside the snow shelter and have the above-mentioned structure. A mobile work truck equipped with a lifting jack for receiving the top of the snow shelter piece is placed, the snow shelter piece is placed on the shelter foundation and the lifting jack of the work truck, the top is connected, and the snow shelter piece is connected to an adjacent panel. A method for constructing a PC snow shelter, in which the snow shelter is constructed by connecting parts together, then lowering the lifting jack to move the work cart, and sequentially repeating the panel assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31014388A JP2592512B2 (en) | 1988-12-09 | 1988-12-09 | Construction method of PC snow shelter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP31014388A JP2592512B2 (en) | 1988-12-09 | 1988-12-09 | Construction method of PC snow shelter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02157307A true JPH02157307A (en) | 1990-06-18 |
| JP2592512B2 JP2592512B2 (en) | 1997-03-19 |
Family
ID=18001685
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP31014388A Expired - Lifetime JP2592512B2 (en) | 1988-12-09 | 1988-12-09 | Construction method of PC snow shelter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2592512B2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06128913A (en) * | 1992-10-15 | 1994-05-10 | Nippon Pressed Concrete Co Ltd | Construction device of arch type shelter |
| CN107905128A (en) * | 2017-11-03 | 2018-04-13 | 中交第公路勘察设计研究院有限公司 | Corrugated steel construction snow defence passage |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013086655A1 (en) * | 2011-12-14 | 2013-06-20 | Kuang Zhongping | Arch-bridge arch type railway and highway protective covers |
-
1988
- 1988-12-09 JP JP31014388A patent/JP2592512B2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06128913A (en) * | 1992-10-15 | 1994-05-10 | Nippon Pressed Concrete Co Ltd | Construction device of arch type shelter |
| CN107905128A (en) * | 2017-11-03 | 2018-04-13 | 中交第公路勘察设计研究院有限公司 | Corrugated steel construction snow defence passage |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2592512B2 (en) | 1997-03-19 |
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