JP3544651B2 - Slope formation method for rock - Google Patents

Slope formation method for rock Download PDF

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Publication number
JP3544651B2
JP3544651B2 JP2001202379A JP2001202379A JP3544651B2 JP 3544651 B2 JP3544651 B2 JP 3544651B2 JP 2001202379 A JP2001202379 A JP 2001202379A JP 2001202379 A JP2001202379 A JP 2001202379A JP 3544651 B2 JP3544651 B2 JP 3544651B2
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Japan
Prior art keywords
rock
crushing
crushed
holes
crushing step
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JP2001202379A
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Japanese (ja)
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JP2003013685A (en
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俊仁 岡本
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俊仁 岡本
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Description

【0001】
【発明の属する技術分野】
本発明は岩盤に法面を形成する岩盤への法面形成工法に関する。
【0002】
【従来の技術】
従来、岩盤に法面を形成する場合、岩盤の上面を先端部より順次所定間隔で破砕孔を形成して、ハッパやクサビの打ち込みによる破砕を行なうとともに、破砕した岩盤を除去する上面の除去工程と、この上面の除去工程でできた上面を前述と同様な作業で破砕と岩盤の除去を行なう除去工程とを順次行なって形成している。
【0003】
【発明が解決しようとする課題】
従来の岩盤への法面形成工法では、破砕した岩盤を除去しなければ次の作業に進むことができず、手数がかかるとともに、一列づつの岩盤の破砕作業しかできず、作業効率が悪く、コスト高になるという欠点があった。
【0004】
本発明は以上のような従来の欠点に鑑み、破砕孔の形成を効率よく行なうことができるとともに、破砕した岩盤の除去作業を特に必要としない、効率よく作業ができ、コストの低減を図ることができる岩盤への法面形成工法を提供することを目的としている。
【0005】
本発明の前記ならびにそのほかの目的と新規な特徴は次の説明を添付図面と照らし合わせて読むと、より完全に明らかになるであろう。
ただし、図面はもっぱら解説のためのものであって、本発明の技術的範囲を限定するものではない。
【0006】
【課題を解決するための手段】
上記目的を達成するために、本発明は岩盤の上部先端部寄りの部位に所定間隔で破砕孔を形成して上部先端部の岩盤を破砕する第1の岩盤破砕工程と、この第1の岩盤破砕工程後に岩盤の上部先端部寄りの部位および該第1の岩盤破砕工程で破砕され残った岩盤上面部位にそれぞれ所定間隔で破砕孔を形成し、下部位置の岩盤を破砕した後、上部位置の岩盤を破砕する第2の岩盤破砕工程と、この第2の岩盤破砕工程後に上部先端部寄りの部位および第2の岩盤破砕工程で破砕され残った2箇所の岩盤上面部位にそれぞれ所定間隔で破砕孔を形成し、下部位置の岩盤より順次上部位置の岩盤を破砕する第3の岩盤破砕工程とで岩盤への法面形成工法を構成している。
【0007】
【発明の実施の形態】
以下、図面に示す実施の形態により、本発明を詳細に説明する。
【0008】
図1ないし図9に示す本発明の第1の実施の形態において、1は岩盤2の上部先端部寄りの部位に、図2および図3に示すように所定間隔で破砕孔3を形成して、上部先端部の岩盤2aを破砕する第1の岩盤破砕工程で、この第1の岩盤破砕工程1は本願発明者が開発した2本のウインチ4、4のワイヤー5、5で傾斜面の岩盤上を移動できるロッククライミングマシーン6の先端部に取付けたボーリングマーシン7によって所定間隔で破砕孔3を形成するとともに、所定間隔で形成した破砕孔3にハッパあるいは膨脹材を収納して、図4に示すように上部先端部の岩盤2aを破砕すると、破砕された岩盤2aは自動的に下方へ落下し、破砕部より除去された状態となる。
なお、上部先端部の岩盤2aの破砕は所定間隔で形成した破砕孔3にクサビを打ち込み、破砕しても同様な作用効果が得られる。
【0009】
8は前記第1の岩盤破砕工程1後に、図5に示すように岩盤2の上部先端部寄りの部位および第1の岩盤破砕工程1で破砕され残った岩盤上面部位2bにそれぞれ所定間隔で破砕孔3、3を形成し、図6に示すように下部位置の岩盤2bを破砕した後、上部位置の岩盤2aを破砕する第2の岩盤破砕工程で、この第2の岩盤破砕工程8での破砕孔3、3の形成および岩盤2、2bの破砕は、前記第1の岩盤破砕工程1で行なう方法と同様な方法で行なう。
【0010】
9は前記第2の岩盤破砕工程8後に、図7に示すように岩盤2の上部先端部寄りの部位および前記第2の岩盤破砕工程8で破砕され残った2箇所の岩盤2b、2cの上面部位にそれぞれ所定間隔で破砕孔3、3、3を形成し、図8に示すように下部位置の岩盤2cより順次上部位置の岩盤2b、2を破砕する第3の破砕工程で、この第3の岩盤破砕工程9での破砕孔3、3、3の形成および岩盤の破砕は、前記第1の岩盤破砕工程1で行なう方法と同様な方法で行なう。
【0011】
前記第3の岩盤破砕工程9後は、該第3の岩盤破砕工程9よりも1個づつ階段が増えるような作業を順次行なって、図9に示すように岩盤2に方面10を形成する。
【0012】
【発明の異なる実施の形態】
次に、図10ないし図15に示す本発明の異なる実施の形態につき説明する。なお、これらの本発明の異なる実施の形態の説明に当って、前記本発明の第1の実施の形態と同一構成部分には同一符号を付して重複する説明を省略する。
【0013】
図10ないし図12に示す本発明の第2の実施の形態において、前記本発明の第1の実施の形態と主に異なる点は、クレーン11の先端部に取付けたボーリングマシーン7で破砕孔3、3、3を形成する第1・第2・第3の岩盤破砕工程1A、8A、9Aを順次行なった点で、このような第1・第2・第3の岩盤破砕工程1A、8A、9Aを用いた岩盤への法面形成工法を用いても、前記本発明の第1の実施の形態と同様な作用効果が得られる。
【0014】
図13ないし図15に示す本発明の第3の実施の形態において、前記本発明の第1の実施の形態と主に異なる点は、クレーン11で吊り下げたボーリングマシーン7で破砕孔3、3、3を形成する第1・第2・第3の岩盤破砕工程1B、8B、9Bを順次行なった点で、このような第1・第2・第3の岩盤破砕工程1B、8B、9Bを用いた岩盤への法面形成工法を用いても、前記本発明の第1の実施の形態と同様な作用効果が得られる。
【0015】
なお、前記本発明の各実施の形態では破砕孔を形成する場合にロッククライミングマシーン6にボーリングマシーン7を取付けたものを使用したり、クレーン11の先端部あるいは吊り下げたボーリングマシーン7で行なうものについて説明したが、本発明はこれに限らず、削孔専用のアンカーロックマシーンを用いて形成してもよい。
【0016】
【発明の効果】
以上の説明から明らかなように、本発明にあっては次に列挙する効果が得られる。
【0017】
(1)岩盤の上部先端部寄りの部位に所定間隔で破砕孔を形成して上部先端部の岩盤を破砕する第1の岩盤破砕工程と、この第1の岩盤破砕工程後に岩盤の上部先端部寄りの部位および、該第1の岩盤破砕工程で破砕され残った岩盤上面部位にそれぞれ所定間隔で破砕孔を形成し、下部位置の岩盤を破砕した後、上部位置の岩盤を破砕する第2の岩盤破砕工程と、この第2の岩盤破砕工程後に上部先端部寄りの部位および第2の岩盤破砕工程で破砕され残った2箇所の岩盤上面部位にそれぞれ所定間隔で破砕孔を形成し、下部位置の岩盤より順次上部位置の岩盤を破砕する第3の岩盤破砕工程とからなるので、岩盤の破砕は階段状となるように破砕することができる。
したがって、下部の破砕孔を形成した岩盤部分より、順次上部の岩盤部分を破砕していくことにより、破砕した岩盤を自動的に下方へ落下させることができ、破砕部分での破砕された岩盤の排出作業が不要あるいは簡単な作業で行なうことができる。
【0018】
(2)前記(1)によって、階段状に岩盤を破砕するので、階段状に所定間隔で形成された破砕孔を形成した部分を、同時にハッパや膨脹材で破砕することができる。
したがって、効率よく岩盤を破砕することができる。
【0019】
(3)前記(1)によって、破砕孔形成作業と破砕作業を順次行なうことができるため、作業の中断時間を著しく減少できる。
したがって、効率よく岩盤の破砕作業ができ、コストの低減を図ることができる。
【0020】
(4)請求項2、3も前記(1)〜(3)と同様な効果が得られる。
【図面の簡単な説明】
【図1】本発明の第1の実施の形態の工程図。
【図2】第1の岩盤破砕工程の破砕孔の形成状態の平面図。
【図3】図2の3−3線に沿う断面図。
【図4】第1の岩盤破砕工程の破砕する場合の説明図。
【図5】第2の岩盤破砕工程の破砕孔の形成状態の平面図。
【図6】第2の岩盤破砕工程の破砕する場合の説明図。
【図7】第3の岩盤破砕工程の破砕孔の形成状態の平面図。
【図8】第3の岩盤破砕工程の破砕する場合の説明図。
【図9】岩盤に法面を形成した状態の説明図。
【図10】本発明の第2の実施の形態の工程図。
【図11】本発明の第2の実施の形態の破砕孔の形成状態の平面図。
【図12】図11の12−12線に沿う断面図。
【図13】本発明の第3の実施の形態の工程図。
【図14】本発明の第3の実施の形態の破砕孔の形成状態の平面図。
【図15】図14の15−15線に沿う断面図。
【符号の説明】
1、1A、1B:第1の岩盤破砕工程、
2:岩盤、 3:破砕孔、
4:ウインチ、 5:ワイヤー、
6:ロッククライミングマシーン、
7:ボーリングマシーン、
8、8A、8B:第2の岩盤破砕工程、
9、9A、9B:第3の岩盤破砕工程
10:法面、 11:クレーン。
[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a method for forming a slope on a rock, which forms a slope on the rock.
[0002]
[Prior art]
Conventionally, when a slope is formed on a bedrock, a crushing hole is formed at predetermined intervals sequentially from the top of the bedrock, and crushing is performed by driving a hopper or a wedge, and an upper surface removing step of removing the crushed bedrock. The upper surface formed in the upper surface removing step is formed by sequentially performing a crushing operation and a removing operation for removing the rock by the same operation as described above.
[0003]
[Problems to be solved by the invention]
With the conventional method of forming slopes on rocks, it is not possible to proceed to the next work unless the crushed rocks are removed, and it takes time and effort, and only the work of crushing rocks in a row can be performed, resulting in poor work efficiency. There was a disadvantage that the cost was high.
[0004]
In view of the above-mentioned conventional disadvantages, the present invention can efficiently form a crushing hole, and does not particularly require a work for removing crushed rock, can work efficiently, and reduces cost. It is intended to provide a method of forming slopes on rocks that can be used.
[0005]
The above and other objects and novel features of the present invention will become more completely apparent when the following description is read in conjunction with the accompanying drawings.
However, the drawings are merely for explanation and do not limit the technical scope of the present invention.
[0006]
[Means for Solving the Problems]
In order to achieve the above object, the present invention provides a first bedrock crushing step of forming crushing holes at predetermined intervals near a top end of a bedrock to crush the bedrock at the top end, and the first bedrock crushing step. After the crushing step, crushing holes are formed at predetermined intervals in a portion near the upper end portion of the rock and the remaining rock upper surface portion crushed in the first rock crushing step, and after crushing the lower rock, A second rock crushing step of crushing the rock, and crushing at predetermined intervals respectively at a portion near the upper end portion after the second rock crushing step and at two remaining rock upper surface portions crushed in the second rock crushing step A third rock crushing step of forming holes and sequentially crushing the rock at the upper position from the rock at the lower position constitutes a slope forming method on the rock.
[0007]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, the present invention will be described in detail with reference to the embodiments shown in the drawings.
[0008]
In the first embodiment of the present invention shown in FIGS. 1 to 9, reference numeral 1 denotes a crushing hole 3 formed at a predetermined interval as shown in FIGS. The first rock crushing step 1 for crushing the rock 2a at the top end portion is a rock rock crushing step 1. The first rock crushing step 1 is a rock rock having an inclined surface with two winches 4 and 4 wires 5 and 5 developed by the present inventor. The crushing holes 3 are formed at predetermined intervals by a boring machine 7 attached to the tip of a rock climbing machine 6 that can move upward, and a hopper or an expanding material is stored in the crushing holes 3 formed at predetermined intervals. As shown in the figure, when the rock 2a at the upper end is crushed, the crushed rock 2a automatically falls downward and is removed from the crushed portion.
The same operation and effect can be obtained by crushing the rock 2a at the top end portion by crushing wedges into the crush holes 3 formed at predetermined intervals.
[0009]
Reference numeral 8 denotes crushing at predetermined intervals after the first rock crushing step 1 into a portion near the top end of the rock 2 and the remaining rock upper surface portion 2b crushed in the first rock crushing step 1 as shown in FIG. After forming the holes 3 and 3 and crushing the rock 2b at the lower position as shown in FIG. 6, in the second rock crushing process of crushing the rock 2a at the upper position, the second rock crushing process 8 is performed. The formation of the crushing holes 3 and 3 and the crushing of the rocks 2 and 2b are performed in the same manner as the method performed in the first rock crushing step 1.
[0010]
Reference numeral 9 denotes a portion near the upper end of the rock 2 after the second rock crushing step 8 and upper surfaces of two remaining rocks 2b and 2c crushed in the second rock crushing step 8 as shown in FIG. In a third crushing step of forming crushing holes 3, 3 and 3 at predetermined intervals at respective portions and sequentially crushing the rocks 2b and 2 at the upper position from the rock 2c at the lower position as shown in FIG. The formation of the crushing holes 3, 3, 3 and the crushing of the rock in the rock crushing step 9 of the above are performed by the same method as the method performed in the first rock crushing step 1.
[0011]
After the third rock crushing step 9, operations are performed sequentially such that the number of steps is increased one by one as compared with the third rock crushing step 9, and a direction 10 is formed on the rock 2 as shown in FIG. 9.
[0012]
Different Embodiments of the Invention
Next, different embodiments of the present invention shown in FIGS. 10 to 15 will be described. In the description of the different embodiments of the present invention, the same components as those in the first embodiment of the present invention are denoted by the same reference numerals, and redundant description will be omitted.
[0013]
The second embodiment of the present invention shown in FIGS. 10 to 12 differs from the first embodiment of the present invention mainly in that a crushing hole 3 is provided by a boring machine 7 attached to the tip of a crane 11. The first, second, and third rock crushing processes 1A, 8A, and 9A, which form the first, second, and third rock crushing processes 1A, 8A, and 9A, are sequentially performed. The same operation and effect as in the first embodiment of the present invention can be obtained even by using the slope forming method on the rock using 9A.
[0014]
The third embodiment of the present invention shown in FIGS. 13 to 15 is mainly different from the first embodiment of the present invention in that the crushing holes 3, 3 The first, second, and third rock crushing steps 1B, 8B, and 9B are sequentially performed, and the first, second, and third rock crushing steps 1B, 8B, and 9B are sequentially performed. The same operation and effect as in the first embodiment of the present invention can be obtained by using the slope forming method for the bedrock used.
[0015]
In each of the embodiments of the present invention, a crushing hole is formed by using a rock climbing machine 6 with a boring machine 7 attached thereto, or by using a tip of a crane 11 or a suspended boring machine 7. However, the present invention is not limited to this, and may be formed using an anchor lock machine dedicated to drilling.
[0016]
【The invention's effect】
As is clear from the above description, the following effects can be obtained in the present invention.
[0017]
(1) A first rock crushing step in which crushing holes are formed at predetermined intervals in a portion near the upper tip of the rock to crush the rock at the upper tip, and an upper tip of the rock after the first rock crushing step. A crushing hole is formed at a predetermined interval in each of the nearer portion and the remaining upper surface portion of the rock crushed in the first rock crushing step, and the lower rock is crushed, and then the second rock crushing the upper rock is performed. Crushing holes are formed at predetermined intervals in a rock crushing step and two remaining rock crushing parts which are crushed in the upper part near the upper end part after the second rock crushing step and the second rock crushing step, and And the third rock crushing step of crushing the rocks in the upper position sequentially from the rocks of the above, so that the rocks can be crushed in a stepwise manner.
Therefore, by sequentially crushing the upper rock part from the rock part where the lower crush hole was formed, the crushed rock can automatically fall down, and the crushed rock at the crushed part The discharge operation is unnecessary or can be performed by a simple operation.
[0018]
(2) Since the rock is crushed stepwise according to the above (1), the portion in which the crush holes formed at predetermined intervals in the step shape can be simultaneously crushed by the hopper or the expanding material.
Therefore, rock can be crushed efficiently.
[0019]
(3) According to the above (1), the crushing hole forming operation and the crushing operation can be sequentially performed, so that the interruption time of the operation can be significantly reduced.
Therefore, the rock crushing operation can be performed efficiently, and the cost can be reduced.
[0020]
(4) Claims 2 and 3 also provide the same effects as (1) to (3).
[Brief description of the drawings]
FIG. 1 is a process chart of a first embodiment of the present invention.
FIG. 2 is a plan view showing a state in which crush holes are formed in a first rock crushing step.
FIG. 3 is a sectional view taken along the line 3-3 in FIG. 2;
FIG. 4 is an explanatory view of crushing in a first rock crushing step.
FIG. 5 is a plan view showing a state in which crush holes are formed in a second rock crushing step.
FIG. 6 is an explanatory view of crushing in a second rock crushing step.
FIG. 7 is a plan view showing a state in which crush holes are formed in a third rock crushing step.
FIG. 8 is an explanatory view of crushing in a third rock crushing step.
FIG. 9 is an explanatory view of a state in which a slope is formed on a bedrock.
FIG. 10 is a process chart of the second embodiment of the present invention.
FIG. 11 is a plan view showing a state in which crushing holes are formed according to a second embodiment of the present invention.
FIG. 12 is a sectional view taken along the line 12-12 in FIG. 11;
FIG. 13 is a process chart of the third embodiment of the present invention.
FIG. 14 is a plan view showing a state in which crush holes are formed according to a third embodiment of the present invention.
FIG. 15 is a sectional view taken along the line 15-15 in FIG. 14;
[Explanation of symbols]
1, 1A, 1B: first rock crushing step,
2: bedrock, 3: crush hole,
4: winch, 5: wire,
6: Rock climbing machine,
7: Bowling machine,
8, 8A, 8B: second rock breaking process,
9, 9A, 9B: third rock breaking step 10: slope, 11: crane.

Claims (3)

岩盤の上部先端部寄りの部位に所定間隔で破砕孔を形成して上部先端部の岩盤を破砕する第1の岩盤破砕工程と、この第1の岩盤破砕工程後に岩盤の上部先端部寄りの部位および、該第1の岩盤破砕工程で破砕され残った岩盤上面部位にそれぞれ所定間隔で破砕孔を形成し、下部位置の岩盤を破砕した後、上部位置の岩盤を破砕する第2の岩盤破砕工程と、この第2の岩盤破砕工程後に上部先端部寄りの部位および第2の岩盤破砕工程で破砕され残った2箇所の岩盤上面部位にそれぞれ所定間隔で破砕孔を形成し、下部位置の岩盤より順次上部位置の岩盤を破砕する第3の岩盤破砕工程とを含むことを特徴とする岩盤への法面形成工法。A first rock crushing step in which crush holes are formed at predetermined intervals in a portion near the upper tip of the rock to crush the rock at the upper tip, and a portion near the upper tip of the rock after the first rock crushing step And a second rock crushing step in which crush holes are formed at predetermined intervals in the rock upper surface portion left and crushed in the first rock crushing step, and the lower rock is crushed, and then the upper rock is crushed. After the second rock crushing step, crush holes are formed at predetermined intervals in a portion near the upper end portion and in two remaining rock upper surface portions crushed in the second rock crushing step, respectively. A third rock crushing step of sequentially crushing rocks located at an upper position, a slope forming method for rocks. 破砕孔はロッククライミングマシーン、アンカーロックマシーン、クレーンのいずれかに取付けられたボーリングマシーンで形成することを特徴とする請求項1記載の岩盤への法面形成工法。2. The slope forming method according to claim 1, wherein the crushing hole is formed by a boring machine attached to one of a rock climbing machine, an anchor rock machine, and a crane. 岩盤の破砕は所定間隔で形成された破砕孔にハッパあるいは膨脹材を収納しての破砕あるいは破砕孔にクサビの打ち込みによる破砕であることを特徴とする請求項1記載の岩盤への法面形成工法。2. The slope forming method according to claim 1, wherein the crushing of the rock is crushing by storing a hopper or an expanding material in crushing holes formed at predetermined intervals or crushing by inserting wedges into the crushing holes. Construction method.
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