JPH05239816A - Excavating method for folded slope face - Google Patents
Excavating method for folded slope faceInfo
- Publication number
- JPH05239816A JPH05239816A JP4373392A JP4373392A JPH05239816A JP H05239816 A JPH05239816 A JP H05239816A JP 4373392 A JP4373392 A JP 4373392A JP 4373392 A JP4373392 A JP 4373392A JP H05239816 A JPH05239816 A JP H05239816A
- Authority
- JP
- Japan
- Prior art keywords
- slope
- change point
- excavation
- slope face
- dimensional position
- 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
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明はダム工事の掘削工程等に
おいて有用な折曲法面の掘削方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method for excavating a bend slope useful in an excavation process for dam construction.
【０００２】[0002]
【従来の技術】従来より、ダム工事等における法面の掘
削は、掘削しようとする法面の傾斜を示す丁張を設置し
た後、ダイナマイトによる***と、丁張を基準とした油
圧ブレーカーによる仕上の掘削を繰り返して行なわれて
いた。そして、法面の傾斜が変化する点（変化点）まで
油圧ブレーカーによる仕上げの掘削が終了すると、この
変化点に新たな傾斜を示す丁張を設置して、その後、同
様な操作を繰り返すことにより折曲法面の掘削が行われ
ていた。2. Description of the Related Art Conventionally, when excavating a slope in a dam construction, etc., after installing a tensioner indicating the slope of the slope to be excavated, blasting with dynamite and finishing with a hydraulic breaker based on the tensioning are done. Was repeatedly drilled. Then, when finishing excavation by the hydraulic breaker is completed up to the point where the slope slope changes (change point), a tensioner showing a new slope is installed at this change point, and then the same operation is repeated. Excavation of the bend slope was being carried out.
【０００３】そして、油圧ブレーカーによる仕上げの掘
削が変化点まで到達したか否か即ち法面の切り残しの有
無の確認は、変化点を見通すことができる位置に設置さ
れた光波測距儀付トランシット（タキオメーター）によ
り、機械点からの変化点まで距離と、機械点を中心とし
た既知点と変化点のなす角度の測定することにより行わ
れていた。Whether or not the finishing excavation by the hydraulic breaker has reached the change point, that is, whether or not there is an uncut slope is left, and it is necessary to check the transit with a lightwave range finder installed at a position where the change point can be seen. It was performed by measuring the distance from the machine point to the change point and the angle between the known point and the change point centered on the machine point with a (tachometer).
【０００４】[0004]
【発明が解決しようとする課題】しかし、上述した方法
においては、変化点の探知や法面の切り残しの有無の確
認のために、観測者が掘削現場から離れた機械点に出向
いて測角や測距を行う必要があったため、観測のための
人手を必要とし、作業に時間を要するといった問題があ
った。However, in the above-mentioned method, the observer goes to the machine point away from the excavation site to measure the angle in order to detect the change point and confirm whether or not the slope remains uncut. Since it was necessary to perform distance measurement and distance measurement, manpower for observation was required, and there was a problem that it took time to work.
【０００５】従って、油圧ブレーカーによる掘削の際
に、頻繁に確認作業を行うことが困難であり、作業全体
として効率を上げることができないといった問題もあっ
た。本発明は上述した問題点を解決するためになされた
ものであり、観測手を必要とすることなく、迅速に変化
点の決定や掘削作業の確認を行うことを可能にする折曲
法面の掘削方法を提供することを目的とする。Therefore, when excavating with a hydraulic breaker, it is difficult to perform frequent confirmation work, and there is a problem that the efficiency of the entire work cannot be improved. The present invention has been made to solve the above-mentioned problems, and it is possible to quickly determine the change point and confirm the excavation work without the need for an observer. The purpose is to provide a drilling method.
【０００６】[0006]
【課題を解決するための手段】そこで、本発明は、掘削
すべき法面の傾斜方向に掘削を行った後、法面の傾斜が
変化する変化点を三次元位置決システムにより探知し、
この探知された変化点から新たな傾斜方向に掘削を行う
折曲法面の掘削方法において、前記変化点の探知は三次
元位置決システムから掘削を行った法面に位置する出力
手段に転送されてきた位置決データーに基いて行われる
ように構成した。Therefore, according to the present invention, after excavating in the slope direction of the slope to be excavated, a change point where the slope of the slope changes is detected by a three-dimensional positioning system,
In the bending slope excavation method for excavating in a new slope direction from the detected change point, the detection of the change point is transferred from the three-dimensional positioning system to the output means located on the slope where the excavation is performed. It was configured to be performed based on the positioning data.
【０００７】[0007]
【作用】本発明の折曲法面の掘削方法によれば、法面の
傾斜が変化する変化点は三次元位置決システムから掘削
を行った法面に位置する出力手段に転送されてきた位置
決データーに基いて行われる、変化点の探知のために、
観測者が掘削現場から離れた機械点に出向いて測角や測
距を行う必要がなくなり、人手の削減や作業の迅速を図
ることが可能になる。According to the method for excavating a bent slope according to the present invention, the change point at which the slope of the slope changes changes the position transferred from the three-dimensional positioning system to the output means located at the excavated slope. In order to detect the change point based on the decision data,
It is not necessary for the observer to go to a machine point away from the excavation site for angle measurement and distance measurement, and it is possible to reduce manpower and speed up work.
【０００８】[0008]
【実施例】以下、図面を参照して本発明の実施例につい
て説明する。本発明は、折曲する法面を切削する方法に
関するものであり、法面の傾斜が変化する変化点を三次
元位置決システムを利用して求めるものである。Embodiments of the present invention will be described below with reference to the drawings. The present invention relates to a method for cutting a curved slope, and obtains a change point at which the slope of the slope changes using a three-dimensional positioning system.
【０００９】まず、本発明に係る折曲法面の掘削方法に
おいて使用される三次元位置決システムの一例について
説明する。本発明において使用される三次元位置決シス
テムは、三次元位置決装置本体と、この三次元位置決装
置本体から発せられる光波を反射する反射プリズムとか
ら構成されている。First, an example of a three-dimensional positioning system used in the method for excavating a bending slope according to the present invention will be described. The three-dimensional positioning system used in the present invention is composed of a three-dimensional positioning device main body and a reflecting prism that reflects a light wave emitted from the three-dimensional positioning device main body.
【００１０】この三次元位置決システムにおいては、三
次元位置決装置本体は既知点に設置され、反射プリズム
に向かって光波を発する。そして、座標を求める点に設
置された反射プリズムはこの光波を三次元位置決装置本
体に反射する。反射プリズムによって反射された反射光
は三次元位置決装置本体により感知され、三次元位置決
装置本体においてこの反射光とが解析されることによ
り、反射プリズムの現在地の座標が求められる。In this three-dimensional positioning system, the main body of the three-dimensional positioning device is installed at a known point and emits a light wave toward the reflecting prism. Then, the reflection prism installed at the point for obtaining the coordinates reflects this light wave to the main body of the three-dimensional positioning apparatus. The reflected light reflected by the reflecting prism is sensed by the main body of the three-dimensional positioning apparatus, and the reflected light is analyzed by the main body of the three-dimensional positioning apparatus to obtain the coordinates of the current position of the reflecting prism.
【００１１】また、目標点の座標値を三次元位置決装置
本体に予めインプットしておけば、反射プリズムの現在
地と目標点との座標値の差を計算することができる。さ
らに、リモートコントローラーの使用により、三次元位
置決装置本体から離れた場所、例えば、反射プリズムの
位置から三次元位置決装置本体の繰作や位置決データー
の読み取りを行うことができる。If the coordinate value of the target point is input to the main body of the three-dimensional positioning device in advance, the difference between the coordinate values of the current position of the reflecting prism and the target point can be calculated. Furthermore, by using the remote controller, it is possible to carry out the operation of the main body of the three-dimensional positioning device and read the positioning data from a position away from the main body of the three-dimensional positioning device, for example, the position of the reflecting prism.
【００１２】このような三次元位置決システムとして
は、例えば、ジオジメーター株式会社製ジオジメーター
１４０Ｔ型等を用いることができる。以上を前提とし
て、本発明に係る折曲法面の掘削方法を説明する。As such a three-dimensional positioning system, for example, a Geodimeter 140T type manufactured by Geodimeter Co., Ltd. can be used. Based on the above, the method for excavating the bending slope according to the present invention will be described.
【００１３】図１及至図３は、本発明に係る折曲法面の
掘削方法を説明するための図である。図１及び図２にお
いて、設計掘削線ＡＡ’は本発明によって掘削を行う法
面の断面を示すものである。この設計掘削線ＡＡ’は、
第１変化点１０、第２変化点２０、第３変化点３０にお
いて折れ曲がっており、各変化点１０、２０、３０間は
直線で結ばれているものとする。1 to 3 are views for explaining a method for excavating a bending slope according to the present invention. 1 and 2, a design excavation line AA 'indicates a cross section of a slope for excavation according to the present invention. This design excavation line AA '
It is assumed that the first change point 10, the second change point 20, and the third change point 30 are bent, and the change points 10, 20, and 30 are connected by a straight line.
【００１４】また、図１においては、既に第１変化点１
０までの掘削は終了しており、以下、第１変化点１０と
第２変化点２０の間の法面１１の掘削を行うものとす
る。図１において、第１変化点１０には、第１変化点１
０と第２変化点２０間の法面１１の傾斜を示すために斜
めに張った丁張１２が設けられている。Further, in FIG. 1, the first change point 1 has already been reached.
The excavation up to 0 has been completed, and hereinafter, the excavation of the slope 11 between the first change point 10 and the second change point 20 is performed. In FIG. 1, the first change point 10 is the first change point 1
An oblique tension 12 is provided to show the slope of the slope 11 between 0 and the second change point 20.
【００１５】また、これらの変化点１０、２０、３０を
見通すことができる既知点４０には三次元位置決装置本
体４１が設置されている。この既知点４０の座標値は既
に三角測量等により決定されている。A three-dimensional positioning apparatus main body 41 is installed at a known point 40 through which the change points 10, 20, 30 can be seen. The coordinate value of the known point 40 has already been determined by triangulation or the like.
【００１６】本発明に係る折曲法面の掘削方法において
は、まず、地表面Ｂの所定位置Ｂ１に削孔を行い、この
孔にダイナマイトを仕掛けて***を行う。この***によ
り新たな地表面Ｃが形成される。In the method for excavating a bending slope according to the present invention, first, a hole is drilled at a predetermined position B1 on the ground surface B, and dynamite is set in this hole to explode the ground. A new ground surface C is formed by this blast.
【００１７】この後、第１変化点１０に設置された丁張
１２で掘削方向を確認しながら、第１変化点１０から第
２変化点２０に向かって油圧ブレーカーで法面１１の仕
上げの掘削が行われる。Thereafter, while confirming the excavation direction with the tension 12 installed at the first change point 10, the excavation of the slope 11 is completed with a hydraulic breaker from the first change point 10 to the second change point 20. Is done.
【００１８】１回の***では、油圧ブレーカーにより第
２変化点２０までの掘削を行うことが困難な場合は、地
表面Ｃにおける所定位置Ｃ１に削孔を行い、この孔にダ
イナマイトを仕掛けて***を行う。この***によりさら
に新たな地表面が形成される。When it is difficult to excavate up to the second change point 20 with a hydraulic breaker in one blast, a hole is drilled at a predetermined position C1 on the ground surface C, and a dynamite is set in this hole for blasting. I do. This blast creates a new ground surface.
【００１９】そして、再び丁張１２を基準として第２変
化点２０に向かって油圧ブレーカーで法面１１の仕上げ
の掘削が行なわれる。以下、ダイナマイトによる***と
油圧ブレーカーによる仕上げの掘削は掘削法面１１が第
２変化点２０に達するまで必要回数繰り返される。Then, again using the tension 12 as a reference, the finishing excavation of the slope 11 is performed toward the second change point 20 with a hydraulic breaker. Hereinafter, the blasting with the dynamite and the finishing excavation with the hydraulic breaker are repeated as many times as necessary until the excavation slope 11 reaches the second change point 20.
【００２０】掘削された法面１１が第２変化点２０まで
到達した頃を見計らって、作業者は三次元位置決システ
ムの反射プリズムと、リモートコントローラーを持って
法面１１上を移動し、第２変化点２０の探知を行う。三
次元位置決装置本体４１には、予め第２変化点２０の座
標値がインプットされており、反射プリズムからの反射
光を解析することにより、反射プリズムの現在地の座標
値や第２変化点２０と現在地の座標地の差を求めること
ができる。これらの位置決データーは出力手段としての
リモートコントローラーに転送されて、法面１１に居る
作業者に伝わるので、作業者は効率良く第２変化点２０
を探知することが可能になる。Looking at the time when the excavated slope 11 reaches the second change point 20, the worker moves on the slope 11 with the reflecting prism of the three-dimensional positioning system and the remote controller. 2 Change point 20 is detected. The coordinate value of the second change point 20 is input to the three-dimensional positioning device main body 41 in advance, and the coordinate value of the current position of the reflection prism and the second change point 20 are analyzed by analyzing the reflected light from the reflection prism. And the difference between the coordinates of the current location can be obtained. These position determination data are transferred to the remote controller as an output means and transmitted to the worker on the slope 11, so that the worker can efficiently change the second change point 20.
Can be detected.
【００２１】また、反射プリズムが第２変化点２０に到
達すると、作業者はリモートコントローラーにより到達
を感知することが可能である。三次元位置決システムに
よる探知の結果、第２図に示されるように、法面１１の
切り残し１３があると判断される場合には、さらに、丁
張１２が示す方向への掘削が続けられる。そして、掘削
と三次元位置決システムを使用した第２変化点２０の探
知は仕上げの掘削が第２変化点２０に達するまで繰り返
される。When the reflecting prism reaches the second change point 20, the worker can detect the arrival by the remote controller. As a result of the detection by the three-dimensional positioning system, when it is determined that there is an uncut portion 13 on the slope 11, as shown in FIG. 2, further excavation in the direction indicated by the strut 12 is continued. .. Then, the excavation and the detection of the second change point 20 using the three-dimensional positioning system are repeated until the final excavation reaches the second change point 20.
【００２２】この点、従来の方法によれば、第２変化点
２０の探知や法面１１の切り残し１３の有無等の作業状
況の確認が必要とされる場合は、法面から離れた機械点
で観測者がタキオメーターを使って視準を行う必要があ
った。これに比べ、本発明の折曲法面の掘削方法によれ
ば、一旦、既知点４０に三次元位置決装置本体４１を設
置すれば、作業者が掘削された法面１１で反射プリズム
と出力手段としてのリモートコントローラーを持って移
動することにより、第２変化点２０の探知や法面１１の
切り残し１３の有無の確認を行うことができる。On the other hand, according to the conventional method, when it is necessary to detect the second change point 20 or to confirm the working condition such as the presence or absence of the uncut portion 13 of the slope 11, the machine away from the slope is used. At that point, the observer had to collimate using the tachometer. On the other hand, according to the method for excavating the bending slope of the present invention, once the three-dimensional positioning device main body 41 is installed at the known point 40, the worker outputs the reflection prism and the output light on the excavated slope 11. By moving with the remote controller as a means, it is possible to detect the second change point 20 and confirm the presence of the uncut portion 13 of the slope 11.
【００２３】従って、本発明によれば、人手の削減を行
うことができ、また、作業の効率化を図ることができる 掘削が第２変化点２０まで終了すると、探知された第２
変化点３０において第３変化点３０の方向へ丁張を設置
し、以下、同様な方法で第２変化点２０と第３変化点３
０の間の法面２１の掘削が行われる。Therefore, according to the present invention, the manpower can be reduced and the work efficiency can be improved. When the excavation is completed up to the second change point 20, the second detected
At the change point 30, a tension is installed in the direction of the third change point 30, and thereafter, the second change point 20 and the third change point 3 are processed in the same manner.
The excavation of the slope 21 between 0 is performed.
【００２４】尚、本発明は上述した実施例に限定される
ものでなく、適宜変更を加えることが可能である。例え
ば、上述した実施例は、既知点に三次元位置決装置本体
を設置し、掘削中の法面上で反射プリズムを移動させて
変化点を求めるものであるが、本発明はこれに限定され
るものではなく、例えば、三次元位置決システムとし
て、汎地球測位システム（ＧＰＳ）等の衛星測地システ
ムを用いて変化点を求めることも可能である。The present invention is not limited to the above-described embodiments, but can be modified as appropriate. For example, in the above-described embodiment, the main body of the three-dimensional positioning device is installed at a known point, and the change point is obtained by moving the reflecting prism on the slope during excavation, but the present invention is not limited to this. Instead, it is possible to obtain the change point by using a satellite geodetic system such as a global positioning system (GPS) as a three-dimensional positioning system.
【００２５】[0025]
【発明の効果】以上のように構成した本発明によれば、
法面の傾斜が変化する変化点の探知のために、観測者が
掘削現場から離れた点に出向いて測角や測距を行う必要
がなくなるので、人手の削減や作業の迅速を図ることが
可能になるという効果を奏する。According to the present invention configured as described above,
Since it is not necessary for the observer to go to a point away from the excavation site to perform angle measurement and distance measurement in order to detect the change point where the slope of the slope changes, it is possible to reduce manpower and speed up work. It has the effect of being possible.
【図１】 本発明に係る折曲法面の掘削方法を説明する
ための図。FIG. 1 is a diagram for explaining a method for excavating a bending slope according to the present invention.
【図２】 掘削法面に切り残しが形成されている状態を
示す図。FIG. 2 is a view showing a state where an uncut portion is formed on an excavation slope.
１０・・・第１変化点 １１、２１・・・法面 ２０・・・第２変化点 ３０・・・第３変化点 ４１・・・三次元位置決装置本体 10 ... 1st change point 11, 21 ... Slope 20 ... 2nd change point 30 ... 3rd change point 41 ... Three-dimensional positioning device main body
Claims (1)
後、法面の傾斜が変化する変化点を三次元位置決システ
ムにより探知し、この探知された変化点から新たな傾斜
方向に掘削を行う折曲法面の掘削方法において、前記変
化点の探知は三次元位置決システムから掘削を行った法
面に位置する出力手段に転送されてきた位置決データー
に基いて行われることを特徴とする折曲法面の掘削方
法。1. After excavating in a slope direction of a slope to be excavated, a change point where the slope of the slope changes is detected by a three-dimensional positioning system, and a new slope direction is detected from the detected change point. In the method of excavating a bent slope to excavate, the change point is detected based on the positioning data transferred from the three-dimensional positioning system to the output means located on the slope where the excavation was performed. A method for excavating a bend slope characterized by.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4373392A JPH05239816A (en) | 1992-02-28 | 1992-02-28 | Excavating method for folded slope face |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4373392A JPH05239816A (en) | 1992-02-28 | 1992-02-28 | Excavating method for folded slope face |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH05239816A true JPH05239816A (en) | 1993-09-17 |
Family
ID=12671986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4373392A Pending JPH05239816A (en) | 1992-02-28 | 1992-02-28 | Excavating method for folded slope face |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH05239816A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0814900A (en) * | 1994-07-01 | 1996-01-19 | Mitsui Constr Co Ltd | Device of seeking position of laying finishing stake and method of laying finishing stake by use of the device |
-
1992
- 1992-02-28 JP JP4373392A patent/JPH05239816A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0814900A (en) * | 1994-07-01 | 1996-01-19 | Mitsui Constr Co Ltd | Device of seeking position of laying finishing stake and method of laying finishing stake by use of the device |
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