JPH05287999A - Equipment and materials transportation method in underground excavation work - Google Patents
Equipment and materials transportation method in underground excavation workInfo
- Publication number
- JPH05287999A JPH05287999A JP11695292A JP11695292A JPH05287999A JP H05287999 A JPH05287999 A JP H05287999A JP 11695292 A JP11695292 A JP 11695292A JP 11695292 A JP11695292 A JP 11695292A JP H05287999 A JPH05287999 A JP H05287999A
- Authority
- JP
- Japan
- Prior art keywords
- underground
- ground
- equipment
- materials
- space
- 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.)
- Pending
Links
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
Description
【0001】[0001]
【産業上の利用分野】本発明は、例えば地下鉄工事等の
地下掘削工事における資機材の搬送方法に関するもので
ある。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of transporting materials and equipment in underground excavation work such as subway works.
【0002】[0002]
【従来の技術】従来より、地下鉄工事等の地下掘削工事
は水平掘削工事を繰り返すことにより所定の掘削深さま
で段階的に掘削を行っている。また、施工区内の地盤の
N値が0〜5程度の軟弱地盤を掘削する場合は、地表面
から所定の深さ位置に逆巻き工法にて天井スラブを構築
し、この天井スラブ下を段階的に掘削しつつ山留壁間に
切梁を階層状に架設して山留壁の補強を行うようにして
いる。2. Description of the Related Art Conventionally, underground excavation work such as subway work is performed stepwise to a predetermined excavation depth by repeating horizontal excavation work. Moreover, when excavating the soft ground where the N value of the ground in the construction area is about 0 to 5, a ceiling slab is constructed by a reverse winding method at a predetermined depth position from the ground surface, and the bottom of the ceiling slab is gradually stepped. While excavating, the beams are erected in layers between the retaining walls to reinforce the retaining walls.
【0003】ところで、例えば掘削現場が昼夜とも交通
の激しい場所であるとき等には開口部の設置場所が限定
されるので、この場合には、掘削土を掘削現場から開口
部に搬送し、また、資機材を開口部から掘削現場に、或
は掘削現場から開口部へ搬送することで掘削土や資機材
の運搬を行う必要がある。そこで従来、アイランド工法
により一方の開口部から隣の開口部まで小型バックホー
等により掘削し、ブルドーザー、ベルトコンベア、ある
いはクローラショベル等の集土機械を利用して掘削土を
集土し、開口部の直下まで搬送していた。また、切梁等
の資機材の搬送は、地上と開口部との間をクレーン装置
等で吊り上げ吊り下ろしし、開口部と地下坑内の掘削現
場との間を搬送用機械や人手等の手段により行ってい
た。By the way, when the excavation site is a place where traffic is heavy day and night, the installation location of the opening is limited. In this case, therefore, the excavated soil is transported from the excavation site to the opening, and It is necessary to transport excavated soil and materials by transporting materials and equipment from the opening to the excavation site or from the excavation site to the opening. Therefore, conventionally, the island construction method was used to excavate from one opening to the adjacent opening with a small backhoe, and the excavated soil was collected using an earth collecting machine such as a bulldozer, a belt conveyor, or a crawler excavator. It was transported to just below. In addition, when transporting materials such as beams and the like, hoist between the ground and the opening with a crane or the like and hang it down, and use a machine such as a transport machine or manpower between the opening and the excavation site in the underground mine. I was going.
【0004】[0004]
【発明が解決しようとする課題】しかしながら、搬送用
機械を用いる資機材の搬送方法にあっては、例えば地下
掘削の開削幅が狭い場合には機械の走行路を確保し難く
アイランド工法が採用できない。However, in the transportation method of materials and equipment using a transportation machine, for example, when the excavation width of underground excavation is narrow, it is difficult to secure the traveling path of the machine and the island construction method cannot be adopted. ..
【0005】また、掘削部分の地盤が軟弱である場合に
は、階層状に配設される切梁の鉛直方向の間隔を短くす
る必要があり、切梁設置のための余掘りの深さをあまり
深くすることができないので、既設の切梁が邪魔になっ
て資機材の搬送を行うための機械の大きさや作業範囲に
制約が生じるほか、機械の操作も面倒になってオペレー
タへの負担を増大させるという不具合があった。さら
に、掘削場所が開口部から離れてくると、資機材を中継
しながら運搬するために何台もの機械が必要になり、多
くの人手を要するほか、機械の操作ミスなどにより切梁
を破損したりするおそれがあり、資機材の搬送作業を効
率的に行うことができなくなる場合があるという不具合
があった。Further, when the ground at the excavated portion is soft, it is necessary to shorten the vertical interval between the cut beams arranged in layers, and the depth of the overdug for installing the cut beams is increased. Since it is not possible to make it too deep, the size and work range of the machine for transporting materials and equipment will be restricted by the existing beams and the operation of the machine will be troublesome and the operator will be burdened. There was a problem of increasing it. Furthermore, when the excavation site moves away from the opening, many machines are required to transport materials and equipment while relaying them, which requires a lot of manpower and damage to the beams due to machine operation mistakes. However, there is a problem in that it may not be possible to efficiently carry out the work of transporting the materials and equipment.
【0006】本発明は前記事情に鑑みてなされたもので
あり、地下坑の開削幅が狭い場合や掘削部分の地盤が軟
弱である場合にも、資機材の搬送を効率よく行うことが
できる資機材の搬送方法を提供することにある。The present invention has been made in view of the above circumstances, and is capable of efficiently transporting materials and equipment even when the excavation width of the underground pit is narrow or the ground of the excavated portion is soft. It is to provide a method of transporting equipment.
【0007】[0007]
【課題を解決するための手段】上記目的を達成するため
に本発明は、地上から地盤を掘削して水平方向に長い地
下坑を形成するに際して、資機材搬入搬出箇所におい
て、地上と地下坑内の上部空間との間にわたり資機材を
上下に移動する工程と、地下坑内の上部空間に資機材を
吊り上げた状態で、前記資機材搬入搬出箇所と地下坑内
の作業箇所の上方との間にわたり、該資機材を地下坑の
長手方向に沿わせて移動する工程と、作業箇所の上方と
作業箇所との間にわたり資機材を上下に移動する工程と
を備えることを特徴とする。[Means for Solving the Problems] To achieve the above object, the present invention provides a method for excavating the ground from the ground to form a horizontally long underground pit, which is used for loading and unloading equipment at the ground and underground pits. The step of moving the materials and equipment up and down to and from the upper space, and with the materials and equipment suspended in the upper space in the underground mine, between the loading and unloading point of the materials and equipment and the work site in the underground mine, The method is characterized by including a step of moving the material and equipment along the longitudinal direction of the underground pit, and a step of moving the material and equipment up and down between the work location and the work location.
【0008】[0008]
【実施例】以下、本発明の実施例を図面に基づいて説明
する。図1は本発明の資機材搬送方法の一実施形態によ
る地下掘削工事の地下坑の側断面図、図2は図1に示す
地下掘削工事の地下坑の正断面図である。図1において
1は、地下に水平方向に長く形成される地下坑Tの路線
に沿って所定間隔おきに形成された、地上Aから現在の
掘削レベルL2までの深さの開口部(図1中では1つの
み示している)であり、該開口部1の底部には掘削土シ
ュート2が設けられていると共に、該開口部1に沿って
昇降可能なグラブリフタ3等が設けられている。尚、本
実施例では前記開口部1が資機材搬入搬出箇所に相当し
ている。Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a side sectional view of an underground pit for underground excavation work according to an embodiment of the material and material transportation method of the present invention, and FIG. 2 is a front sectional view of an underground pit for underground excavation work shown in FIG. In FIG. 1, reference numeral 1 denotes openings formed at predetermined intervals along the line of the underground mine T that is formed long underground in the horizontal direction and has a depth from the ground A to the current excavation level L2 (in FIG. 1). In the figure, only one is shown), and an excavated soil chute 2 is provided at the bottom of the opening 1, and a grab lifter 3 and the like that can move up and down along the opening 1 are provided. In the present embodiment, the opening 1 corresponds to the material carrying-in / carrying-out place.
【0009】また図1及び図2において4は、前記地下
坑Tの開削幅(本実施例では10m)に合わせて地上A
から最終掘削レベルL1までの深さで地盤Gに設けられ
た山留壁であり、地上Aから所定深さで掘削された前記
山留壁4,4間の上部部分には切梁5と天井スラブ6と
が架設されている。そして、天井スラブ6の下面6aに
は前記地下坑Tの長手方向に沿って2本のレール7,8
が並列に設けられている。さらに図1及び図2において
9は、前記レール7に沿って移動可能に設けられたグラ
ブバケットであり、レール7に対して走行可能に取り付
けられたウィンチ装置91と、該ウィンチ装置91によ
り昇降されるバケット92とからなる。一方同図中10
は、前記レール8に沿って移動可能に設けられた電動ホ
イストであり、レール8に対して走行可能に取り付けら
れたトロリ装置101と、該トロリ装置101に支承さ
れた旋回装置102と、該旋回装置102により旋回及
び昇降可能に保持された吊りアーム103とからなる。Further, in FIGS. 1 and 2, reference numeral 4 indicates the above-ground A according to the excavation width (10 m in this embodiment) of the underground pit T.
To the final excavation level L1 is a mountain retaining wall provided in the ground G, and the crossbeam 5 and the ceiling are provided in the upper portion between the mountain retaining walls 4 and 4 excavated from the ground A to a predetermined depth. The slab 6 is installed. On the lower surface 6a of the ceiling slab 6, two rails 7, 8 are provided along the longitudinal direction of the underground mine T.
Are provided in parallel. Further, in FIG. 1 and FIG. 2, reference numeral 9 denotes a grab bucket provided so as to be movable along the rail 7, and a winch device 91 movably attached to the rail 7 and lifted and lowered by the winch device 91. Bucket 92. On the other hand, 10 in the figure
Is an electric hoist movably provided along the rail 8, a trolley device 101 movably attached to the rail 8, a turning device 102 supported by the trolley device 101, and the turning device. The suspension arm 103 is held by the device 102 so that it can be swung and moved up and down.
【0010】尚、図1及び図2中11は資機材としての
切梁である。本実施例では切梁11として全長5mの鋼
材を用いており、前記地盤GのN値が0〜5の軟弱地盤
であることを考慮して地下坑Tの長手方向に例えば2m
間隔、上下に例えば2.6m間隔で前記山留壁4,4の
間に架設し、また、地下坑Tの幅の中間位置に該地下坑
Tの長手方向に沿って架設しており、本実施例では深さ
方向に3段架設している。さらに同図中12は、最下段
の切梁11の下方で1つの開口部1から隣接する開口部
(図示せず)に向けて地盤Gを掘削し、掘削された掘削
土Dの集土を行う小型バックホーである。In addition, reference numeral 11 in FIGS. 1 and 2 denotes a crossbeam as a material. In this embodiment, a steel material having a total length of 5 m is used as the cross beam 11, and considering that the ground G is a soft ground having an N value of 0 to 5, for example, 2 m in the longitudinal direction of the underground mine T.
It is installed between the mountain retaining walls 4, 4 at intervals of, for example, 2.6 m above and below, and is installed along the longitudinal direction of the underground mine T at an intermediate position of the width of the underground mine T. In the embodiment, three stages are installed in the depth direction. Further, in the figure, reference numeral 12 excavates the ground G from one opening portion 1 to an adjacent opening portion (not shown) below the lowermost girder 11 and collects the excavated soil D that has been excavated. It is a small backhoe to do.
【0011】次に、本実施例の資機材搬送方法による切
梁11の移送動作について説明する。まず、隣接する開
口部1間の地盤Gを地上Aから任意の手段で開削して小
型バックホー12を搬入すると共に切梁5及び天井スラ
ブ6を架設し、開口部1を除く地上Aの開削部分を鉄板
B等で仮修復する。続いて、小型バックホー12を用い
て、1つの開口部1から隣接する不図示の開口部に向け
て例えば2.6mの深さずつ地盤Gを掘削しながら、掘
削された掘削土Dを前記レール7の直下位置に所定間隔
で集土し、この集土された掘削土Dを前記グラブバケッ
ト9及びグラブリフタ3等によって地上Aに搬出する。Next, the transfer operation of the cutting beam 11 by the method of transferring materials and equipment according to this embodiment will be described. First, the ground G between the adjacent openings 1 is excavated from the ground A by any means to carry in the small backhoe 12, and the girder 5 and the ceiling slab 6 are installed, and the excavated part of the ground A excluding the opening 1 is cut. Is temporarily repaired with an iron plate B or the like. Then, using the small backhoe 12, while excavating the ground G at a depth of, for example, 2.6 m from one opening 1 to the adjacent opening (not shown), the excavated soil D is excavated by the rail. The soil is collected at a position directly below 7 at a predetermined interval, and the excavated soil D thus collected is carried to the ground A by the grab bucket 9 and the grab lifter 3.
【0012】これを詳説すると、前記ウィンチ装置91
がレール7に沿って集土位置の上方に移動し、ここで、
既設の切梁11をかわしながらウィンチ装置91がバケ
ット92を降下させる。降下したバケット92は開閉し
て集土された掘削土Dを把み、そこでウィンチ装置91
が巻き上げ動作を行って、バケット92を天井スラブ6
と最上段の切梁11との間の空間Uまで上昇させ、再び
レール7に沿ってバケット92を開口部1に移動させ、
該開口部1の上部位置でバケット92を開かせて内部の
掘削土Dを掘削土シュート2に排出させる。この掘削土
シュート2に排出された掘削土Dは、グラブリフタ3等
により開口部1を介して地上Aに搬出され、ダンプトラ
ック等に積み込まれて所定の廃棄場所に移送される。To explain this in detail, the winch device 91
Moves along the rail 7 above the soil collection location, where
The winch device 91 lowers the bucket 92 while avoiding the existing beam 11. The lowered bucket 92 is opened and closed to grasp the excavated soil D collected, and the winch device 91 is there.
Winds the bucket 92 to the ceiling slab 6
And to the space U between the uppermost beam 11 and move the bucket 92 to the opening 1 along the rail 7 again.
The bucket 92 is opened at a position above the opening 1 and the excavated soil D inside is discharged to the excavated soil chute 2. The excavated soil D discharged to the excavated soil chute 2 is carried out to the ground A through the opening 1 by the grab relifter 3 or the like, loaded on a dump truck or the like, and transferred to a predetermined disposal site.
【0013】一方、既設の切梁11の下で掘削された地
盤G部分の山留壁4,4間には、新たに切梁11が架設
される。この新たに架設される切梁11は、地上Aから
開口部1を介して地下坑T内に搬入されて電動ホイスト
10の吊りアーム103に装着され、前記トロリ装置1
01が最上段の切梁11と天井スラブ6との間の空間U
をレール8に沿って移動することにより、搬入された切
梁11が開口部1から架設箇所の上方に搬送される。こ
の切梁11の搬送時には、吊りアーム103に装着され
た切梁11の長手方向が地下坑Tの長手方向に沿う向き
となるように旋回装置102が吊りアーム103を旋回
させ、切梁11が架設箇所の上方に到達すると旋回装置
102が吊りアーム103を90°旋回させ、この状態
で吊りアーム103を降下させて架設箇所に切梁11を
降ろす。降ろされた切梁11は任意の手段により架設さ
れる。On the other hand, a new cutting beam 11 is installed between the mountain retaining walls 4 and 4 of the ground G portion excavated under the existing cutting beam 11. The newly installed cross beam 11 is carried into the underground mine T from the ground A through the opening 1 and mounted on the suspension arm 103 of the electric hoist 10.
01 is a space U between the top beam 11 and the ceiling slab 6
By moving the rails along the rails 8, the cut beams 11 that have been carried in are transported from the opening 1 to above the installation location. At the time of transporting the cutting beam 11, the turning device 102 turns the hanging arm 103 so that the longitudinal direction of the cutting beam 11 mounted on the hanging arm 103 is along the longitudinal direction of the underground pit T, and the cutting beam 11 moves. When it reaches above the erected portion, the turning device 102 turns the suspension arm 103 by 90 °, and in this state, the suspension arm 103 is lowered to lower the beam 11 to the erected portion. The down beam 11 is erected by any means.
【0014】そして以後、最終掘削レベルL1まで地盤
Gが掘削されるまで、該地盤Gの掘削と切梁11の架設
とを繰り返して行い、所望の地下坑Tを得る。After that, until the ground G is excavated to the final excavation level L1, the excavation of the ground G and the erection of the beams 11 are repeated to obtain a desired underground pit T.
【0015】このように本実施例の資機材搬送方法で
は、開口部1から地下坑Tに搬入された切梁11等の資
機材が、前記空間Uにおいて地下坑Tの長手方向に搬送
されるので、地下坑Tの開削幅が狭い場合や掘削部分の
地盤Gが軟弱である場合にも、地盤Gや既設の切梁11
に邪魔されることなく新たな切梁11等の資機材の地下
坑T内での搬送を効率よく行うことができる。また、本
実施例の資機材搬送方法では、新たな切梁11の搬送時
には、切梁11の長手方向を地下坑Tの長手方向に沿う
向きとして該切梁11を搬送するようにしたので、掘削
土Dを搬送するグラブバケット9との干渉を避け且つ搬
送中の切梁11が揺れることなく安定して搬送されるよ
うにすることができ、一方、切梁11の降下時には、切
梁11の長手方向を地下坑Tの長手方向と直交する向き
として該切梁11を搬送するようにしたので、降下させ
る切梁11が既設の切梁11に接触しないようにするこ
とができる。As described above, in the material / material conveying method according to the present embodiment, the material / material such as the cross beam 11 loaded into the underground mine T through the opening 1 is carried in the space U in the longitudinal direction of the underground mine T. Therefore, even when the excavation width of the underground mine T is narrow or when the ground G in the excavated portion is soft, the ground G and the existing beams 11 are used.
It is possible to efficiently transport new materials and materials such as the cross beam 11 in the underground mine T without being disturbed by. Further, in the transportation method of materials and materials of the present embodiment, when a new cutting beam 11 is transferred, the cutting beam 11 is transferred with the longitudinal direction of the cutting beam 11 being along the longitudinal direction of the underground pit T. It is possible to avoid the interference with the grab bucket 9 that conveys the excavated soil D and to stably convey the cutting beam 11 during the conveyance, while the cutting beam 11 is lowered when the cutting beam 11 descends. Since the cutting beam 11 is conveyed with the longitudinal direction of the crossing direction orthogonal to the longitudinal direction of the underground pit T, the cutting beam 11 to be lowered can be prevented from contacting the existing cutting beam 11.
【0016】尚、本実施例では天井スラブ6の下面6a
に設けたレール8に沿って電動ホイスト10を移動させ
るものとしたが、山留壁4,4に突設したアームにレー
ル8を取着する等して、地下坑Tの長手方向に沿うよう
に前記空間Uにレール8を配設し、このレールに沿って
電動ホイスト10を移動させるものとしてもよい。ま
た、本実施例では地下坑Tが水平方向に長く形成される
ものとしたが、鉛直方向に傾斜した地下坑についても同
様に本発明を適用することができる。さらに、本実施例
では地上Aから切梁11を地下坑T内の作業箇所に搬入
する場合について示したが、地下坑T内に搬入するもの
は切梁11に限定されず、他の資機材であってもよい。
また、地下坑T内の作業箇所から地上Aに資機材を搬出
する場合には、上述の工程を逆の順番で行うことにより
効率の良い搬送が達成される。In this embodiment, the lower surface 6a of the ceiling slab 6 is used.
Although the electric hoist 10 is moved along the rail 8 provided on the ground, the rail 8 is attached to the arm protruding from the mountain retaining walls 4 and 4 so that the electric hoist 10 is moved along the longitudinal direction of the underground mine T. Alternatively, the rail 8 may be arranged in the space U and the electric hoist 10 may be moved along the rail. Further, although the underground pit T is formed to be long in the horizontal direction in the present embodiment, the present invention can be similarly applied to an underground pit inclined in the vertical direction. Further, in the present embodiment, the case where the cutting beam 11 is carried in from the ground A to the work place in the underground mine T has been shown, but the thing to be carried in the underground mine T is not limited to the cutting beam 11 and other materials and equipment. May be
Further, when the materials and equipment are carried out from the work place in the underground mine T to the ground A, the efficient transportation can be achieved by performing the above steps in the reverse order.
【0017】そして、本発明による資機材の搬送方法は
上述した地下坑掘削工事に限定されず、例えば敷地内を
所定深さで掘削する造成工事等にも適用可能であり、さ
らに、切梁を搬送する手段は本実施例に示した装置に限
定されず任意に設定できることは言うまでもない。The method of transporting materials and materials according to the present invention is not limited to the underground pit excavation work described above, and can be applied to, for example, a construction work for excavating a site to a predetermined depth. Needless to say, the conveying means is not limited to the apparatus shown in this embodiment and can be arbitrarily set.
【0018】[0018]
【発明の効果】以上説明したように本発明によれば、地
上から地盤を掘削して水平方向に長い地下坑を形成する
に際して、資機材搬入搬出箇所において、地上と地下坑
内の上部空間との間にわたり資機材を上下に移動する工
程と、地下坑内の上部空間に資機材を吊り上げた状態
で、前記資機材搬入搬出箇所と地下坑内の作業箇所の上
方との間にわたり、該資機材を地下坑の長手方向に沿わ
せて移動する工程と、作業箇所の上方と作業箇所との間
にわたり資機材を上下に移動する工程とを備えるものと
したので、地下坑の開削幅が狭い場合や掘削部分の地盤
が軟弱である場合にも、資機材の搬送を効率よく行うこ
とができる。As described above, according to the present invention, at the time of excavating the ground from the ground to form a horizontally long underground pit, at the material loading / unloading point, the ground and the upper space in the underground pit are connected. In the process of moving the equipment up and down over a period of time, and with the equipment suspended in the upper space of the underground mine, the equipment is underground between the loading / unloading point of the equipment and the working point in the underground pit. Since it has a process of moving along the longitudinal direction of the mine and a process of moving the equipment up and down between the work site and the work site, when the excavation width of the underground mine is narrow or excavation is performed. Even if the ground of a part is soft, the materials and materials can be efficiently transported.
【図面の簡単な説明】[Brief description of drawings]
【図1】本発明の資機材搬送方法の一実施形態による地
下掘削工事の地下坑の側断面図である。FIG. 1 is a side sectional view of an underground mine used for underground excavation work according to an embodiment of the method for transporting materials and materials according to the present invention.
【図2】図1に示す地下掘削工事の地下坑の正断面図で
ある。FIG. 2 is a front sectional view of an underground mine used for the underground excavation work shown in FIG.
1 開口部(資機材搬入搬出箇所) 11 切梁(資機材) T 地下坑 U 空間(上部空間) 1 Opening (material loading / unloading point) 11 Girder (material / material) T Underground pit U space (upper space)
Claims (1)
地下坑を形成するに際して、 資機材搬入搬出箇所において、地上と地下坑内の上部空
間との間にわたり資機材を上下に移動する工程と、 地下坑内の上部空間に資機材を吊り上げた状態で、前記
資機材搬入搬出箇所と地下坑内の作業箇所の上方との間
にわたり、該資機材を地下坑の長手方向に沿わせて移動
する工程と、 作業箇所の上方と作業箇所との間にわたり資機材を上下
に移動する工程と、 を備えることを特徴とする地下掘削工事における資機材
搬送方法。1. When excavating the ground from the ground to form a horizontally long underground pit, at the material loading / unloading point, the material is moved up and down between the ground and the upper space in the underground pit. A step of moving the materials and equipment along the longitudinal direction of the underground mine between the loading and unloading point of the materials and equipment and the upper part of the working place in the underground mine, with the materials and equipment suspended in the upper space of the underground mine. And a step of moving the equipment up and down between the work location and the work location, and a method of transporting the equipment in underground excavation work.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11695292A JPH05287999A (en) | 1992-04-09 | 1992-04-09 | Equipment and materials transportation method in underground excavation work |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11695292A JPH05287999A (en) | 1992-04-09 | 1992-04-09 | Equipment and materials transportation method in underground excavation work |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH05287999A true JPH05287999A (en) | 1993-11-02 |
Family
ID=14699802
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11695292A Pending JPH05287999A (en) | 1992-04-09 | 1992-04-09 | Equipment and materials transportation method in underground excavation work |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH05287999A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102926799A (en) * | 2012-10-24 | 2013-02-13 | 广东省工业设备安装公司重庆分公司 | Large-scale equipment hoisting and transporting method for underground construction |
-
1992
- 1992-04-09 JP JP11695292A patent/JPH05287999A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102926799A (en) * | 2012-10-24 | 2013-02-13 | 广东省工业设备安装公司重庆分公司 | Large-scale equipment hoisting and transporting method for underground construction |
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