KR20010073753A - Base Rock Split Method Using Oil Pressure Piston Type Base Rock Splitter Having No-Vibration And No-Noise Condition - Google Patents
Base Rock Split Method Using Oil Pressure Piston Type Base Rock Splitter Having No-Vibration And No-Noise Condition Download PDFInfo
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- KR20010073753A KR20010073753A KR1020000002589A KR20000002589A KR20010073753A KR 20010073753 A KR20010073753 A KR 20010073753A KR 1020000002589 A KR1020000002589 A KR 1020000002589A KR 20000002589 A KR20000002589 A KR 20000002589A KR 20010073753 A KR20010073753 A KR 20010073753A
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- rock
- vibration
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- base rock
- incision
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- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000011435 rock Substances 0.000 claims abstract description 102
- 238000005553 drilling Methods 0.000 claims description 21
- LLJRXVHJOJRCSM-UHFFFAOYSA-N 3-pyridin-4-yl-1H-indole Chemical compound C=1NC2=CC=CC=C2C=1C1=CC=NC=C1 LLJRXVHJOJRCSM-UHFFFAOYSA-N 0.000 abstract 1
- 238000010276 construction Methods 0.000 description 13
- 238000005422 blasting Methods 0.000 description 6
- 206010028980 Neoplasm Diseases 0.000 description 4
- 201000011510 cancer Diseases 0.000 description 4
- 239000002360 explosive Substances 0.000 description 3
- 239000003721 gunpowder Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000001934 delay Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C37/00—Other methods or devices for dislodging with or without loading
- E21C37/06—Other methods or devices for dislodging with or without loading by making use of hydraulic or pneumatic pressure in a borehole
- E21C37/08—Devices with pistons, plungers, or the like, pressed locally against the wall of the borehole
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
- F15B15/1404—Characterised by the construction of the motor unit of the straight-cylinder type in clusters, e.g. multiple cylinders in one block
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Earth Drilling (AREA)
Abstract
Description
본 발명은 암반절개공법에 관한 것으로서, 보다 상세하게는 유압피스톤식 무진동 무소음 암반절개기를 이용하여 암반을 절개함으로써 암반의 절개시에 발생되는 진동이나 소음을 저감시키고, 절개된 암반이 비산되는 것을 방지하도록 한 유압피스톤식 무진동 무소음 암반절개기를 이용한 암반절개공법에 관한 것이다.The present invention relates to a rock cutting method, and more particularly, by cutting the rock using a hydraulic piston type vibration-free noiseless rock incision, to reduce the vibration or noise generated when the rock is cut, to prevent the broken rock from scattering The present invention relates to a rock cutting method using a hydraulic piston type vibration-free noise-free rock cutting machine.
잘 아는 바와 같이, 건설 및 토목공사는 국가의 기간 산업으로서, 산업이 발달함에 따라 공사의 규모나 횟수가 크게 증가하고 있으며, 이에 따라 이러한 건설 및 토목공사를 수행하기 위한 기초공사로서 암반 및 기존 건물등의 장애물을 제거하거나 지하 터널을 뚫는 등의 발파 작업은 건설 및 토목공사현장에서 가장 빈번하게 이루어지고 있는 공정중의 하나이다. 이러한 발파작업은 제거 대상이 되는 암반이나 기타 장애물을 화약의 강력한 폭발력을 이용하여 제거함으로써 이루어지는 바, 도심내에 있는 고층의 건물등을 폭파시켜 제거하는 파괴공학이 이론적으로뿐 아니라 실제적으로도 상당한 수준에 이르는 정도로 발달하여 건설 및 토목현장에서 이용되기 시작한 근래에 이르러서는 발파작업이 더욱더 많은 횟수로 행해지고 있으며, 이러한 발파작업의 대상 지역도 각종 시설이 근접한 거리내에 밀집되어 있는도심지내에로까지 확대되기에 이르렀다.As is well known, construction and civil engineering are the main industries of the country, and as the industry develops, the scale and number of constructions are greatly increasing, and as a result, rock and existing buildings, etc., are the basic construction for performing such construction and civil engineering. Blasting, such as removing obstacles or drilling underground tunnels, is one of the most frequent processes in construction and civil engineering works. Such blasting works are performed by removing the rocks or other obstacles to be removed using the explosive force of gunpowder, so that destructive engineering that blows up and removes high-rise buildings in the city is theoretically and practically at a considerable level. In recent years, the blasting work has been carried out more and more times, and the area of the blasting work has been extended to the downtown area where various facilities are located within close distance. .
그러나, 이와 같이 암반을 제거하거나 지하터널을 뚫기 위해서는 종래에 화약발파와 브레이커(Breaker)를 이용한 공법이 일반적으로 사용되었는 바, 이는 특히 도심지에서의 건물을 건설하기 위한 지하 굴착이나 지하철 선로를 개척하기 위한 굴착 및 건물의 파괴시 그 소음과 진동등의 공해가 법적으로 규제된 한계치를 넘어 민원발생의 원인이 되며, 그로 인해 공사가 지연되고, 더 나아가서는 공사를 중단하게 되는 문제점이 있었다.However, in order to remove rocks or drill underground tunnels, conventional methods using explosive blasting and breakers have been generally used. In particular, in order to pioneer underground excavation or subway tracks for building buildings in urban areas. For the excavation and destruction of the building, the pollution such as noise and vibration is the cause of civil complaints beyond the legally regulated limit, which causes delays in construction and further disrupts construction.
또한, 상기한 브레이커는 절개된 암반을 모암으로부터 분리시켜 내게 되는데, 이 브레이커를 이용한 작업시에는 브레이커에 의한 소음과 진동에 의해서 2차 민원이 발생하여 공사가 지연되고, 공사비가 증가되는 문제점이 있었다.In addition, the breaker is to separate the cut rock from the mother rock, when working with this breaker there is a problem that the second civil complaints caused by the noise and vibration by the breaker delays the construction, the construction cost increases .
또한, 전술한 바와 같이 화약발파의 작업시에는 화약의 폭발력으로 인해 절개된 암반이 사방으로 비산되어 인근의 건물이나 작업자 또는 행인에게 까지 피해를 주게 되는 문제점이 있었다.In addition, as described above, when the operation of the gunpowder blasting, there is a problem that the cut rock is scattered in all directions due to the explosive power of the gunpowder to cause damage to nearby buildings, workers or passers-by.
이에, 본 발명은 상기와 같은 종래기술의 문제점을 해소하기 위해 안출된 것으로, 암반이나 기타 장애물의 제거시나 절개된 암반의 분리시에 기출원된 유압피스톤식 무진동 무소음 암반절개기(국내 특허출원 제 98-33663호)와 니퍼를 이용하여 암반의 절개시에 발생되는 진동이나 소음을 저감시키고, 절개된 암반이 사방으로 비산되는 것을 방지하도록 한 유압피스톤식 무진동 무소음 암반절개기를 이용한 암반절개공법을 제공하는데 그 목적이 있다.Accordingly, the present invention has been made to solve the problems of the prior art as described above, the hydraulic piston-type vibration-free noise-free rock cutouts that have been filed at the time of removal of rock or other obstacles or separation of the cut rock (Korea Patent Application No. 98-33663) and the nipper to reduce the vibration and noise generated when rock cutting, and to provide rock rock cutting method using a hydraulic piston type vibration-free noiseless rock incision that prevents the rock from scattering in all directions Its purpose is to.
도 1은 본 발명에 따라 암반에 천공홀이 천공된 상태를 도시한 도면1 is a view showing a state in which a perforation hole is drilled in a rock according to the present invention;
도 2는 본 발명에 따른 암반절개기에 의해서 암반을 절개하는 단계를 도시한 도면으로서, 도 2a는 암반에 암반절개기 작동부가 천공홀에 삽입된 상태를 도시한 도면이고, 도 2b는 도 2a의 단면도이며, 도 2c는 암반절개기의 작동부가 작동되는 상태를 도시한 단면도이고, 도 2d는 도 2c의 정면도Figure 2 is a view showing the step of cutting the rock by the rock incision according to the present invention, Figure 2a is a view showing a state in which the rock cutaway operation portion is inserted into the drilling hole in the rock, Figure 2b It is sectional drawing, FIG. 2C is sectional drawing which shows the operation part of a rock cutter, FIG. 2D is a front view of FIG. 2C
도 3은 본 발명에 따라 절개된 암반을 분리하는 단계를 도시한 도면Figure 3 shows the step of separating the cut rock according to the invention
<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>
2: 암반절개기 4: 제어부2: rock incision unit 4: control unit
6: 작동부 6a: 피스톤6: operating part 6a: piston
8: 캡 10: 암반8: cap 10: bedrock
12: 모암 14: 절개되는 암반12: Moam 14: Rock to be incised
20: 천공홀 22: 절개선20: drilling hole 22: incision line
30: 니퍼(Nipper)30: Nipper
상술한 목적을 달성하기 위한 본 발명의 기술적 구성은 암반이나 기타 장애물에 유압피스톤식 무진동 무소음 암반절개기의 작동부가 삽입가능한 크기로 다수의 천공홀을 대략 일직선상으로 천공하는 단계와, 상기 천공홀에 암반절개기의 작동부를 삽입.고정하는 단계와, 상기 작동부에 유압을 공급하여 작동부의 피스톤이 그 상단의 캡을 작동부로부터 벌려 천공홀을 확장시켜 각 천공홀간에 절개선을 형성하는 단계와, 상기 단계에 의해서 형성된 절개선을 따라 모암으로부터 절개된 암반을 니퍼로 들어내어 분리시켜 내는 단계로 이루어지는 것을 특징으로 한다.The technical configuration of the present invention for achieving the above object is a step of drilling a plurality of drilling holes in a substantially straight line to the size of the operation portion of the hydraulic piston type vibration-free noiseless rock incision in the rock or other obstacle, and the drilling hole Inserting and fixing the operation part of the rock incision in the rocker, and supplying hydraulic pressure to the operation part, the piston of the operation part to open the cap of the upper part from the operation part to expand the drilling hole to form an incision line between each drilling hole. And, according to the incision line formed by the step characterized in that it comprises the step of separating the rock cut out from the mother cancer by the nipper.
이하, 본 발명의 바람직한 실시예를 첨부도면을 참조하여 상세히 설명하면 다음과 같다.Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.
첨부된 도면 도 1은 본 발명에 따라 암반에 천공홀이 천공된 상태를 도시한 도면이며, 도 2는 본 발명에 따른 암반절개기에 의해서 암반을 절개하는 단계를 도시한 도면으로서, 도 2a는 암반에 암반절개기 작동부가 천공홀에 삽입된 상태를 도시한 도면이고, 도 2b는 도 2a의 단면도이며, 도 2c는 암반절개기의 작동부가 작동되는 상태를 도시한 단면도이고, 도 2d는 도 2c의 정면도이며, 도 3은 본 발명에 따라 절개된 암반을 분리하는 단계를 도시한 도면이다.1 is a view illustrating a state in which a perforation hole is drilled in a rock according to the present invention, and FIG. 2 is a view illustrating a step of cutting a rock by a rock incision according to the present invention, and FIG. Figure 2b is a view showing a state in which the rock cutter operation unit is inserted into the drilling hole, Figure 2b is a sectional view of Figure 2a, Figure 2c is a cross-sectional view showing a state in which the operating portion of the rock cutter is operated, Figure 2d is a view 2c 3 is a view showing the step of separating the cut rock according to the invention.
도시된 바와 같이, 본 발명에 따른 암반절개공법은 암반(10)이나 기타 장애물에 유압피스톤식 무진동 무소음 암반절개기(2)의 작동부(6)에 대응한 크기의 드릴(여기서는 직경이 80㎜임)을 이용하여 다수의 천공홀(20)을 대략 일직선상으로 천공한다.As shown, the rock cutting method according to the present invention is a drill of a size corresponding to the operating portion 6 of the hydraulic piston type vibration-free noise-free rock cutaway 2 to the rock 10 or other obstacles (here, 80 mm in diameter). Using a) to drill a plurality of drilling holes 20 in a straight line.
그러면, 상기한 암반(10)에는 직경이 대략 80㎜인 천공홀(20)이 천공되게 되는 바, 이는 국내에 특허출원된 제 98-33663호와 실용신안등록출원된 제 98-6047호에 기재된 바와 같이 암반절개기(2)의 작동부(6) 직경이 70㎜이므로 이에 대응하게 천공되는 것이다.Then, the rock 10 has a diameter of about 80 mm of drilling holes 20, which are described in Korean Patent Application No. 98-33663 and Utility Model Registration No. 98-6047. As described above, the diameter of the operating part 6 of the rock cutout 2 is 70 mm.
한편, 상기와 같이 암반(10)에 천공홀(20)을 천공할 시는 암반(10)의 자연적 절리선 및 암결을 고려하여 천공하는데, 각각의 천공홀(20)들이 이루는 천공선을 암반(10)의 암결선에 평행하거나 또는 수직하게 설정함이 바람직하다.On the other hand, when drilling the hole 20 in the rock 10 as described above, the natural seam of the rock 10 and the rock in consideration of the rock formation, the perforated line formed by each of the hole holes 20 rock ( It is preferable to set parallel or perpendicular to the dark line of 10).
또한, 상기한 천공홀(20)은 자연크랙선과 최소 50㎝이상 이격시켜 천공하는 것이 바람직한 바, 이로써 천공홀(20)의 개수를 줄임과 아울러, 절개시 암반(10)에 형성되는 절개선(22)이 단절됨이 없이 각 천공홀(20)간에 연속적으로 형성되도록 하며, 상기 각각의 천공홀(20)간의 간격을 30∼70㎝로 유지함과 아울러, 천공선간의 간격은 70∼150㎝로 유지하도록 함이 바람직하다.In addition, it is preferable that the above-mentioned hole 20 to be punctured at least 50 cm apart from the natural crack line, thereby reducing the number of holes 20 and cutting lines formed in the rock 10 when cutting. 22) is continuously formed between each of the drill holes 20 without disconnection, while maintaining the interval between the respective drill holes 20 to 30 to 70 cm, and the interval between the drill lines to 70 to 150 cm. It is desirable to.
한편, 위와 같이 하여 암반(10)에 천공홀(20)을 형성한 후에는 하나의 천공선을 이루는 천공홀(20)들에 암반절개기(2)의 작동부(6)를 삽입.고정시킨 후, 상기 암반절개기(2)의 제어부(4)로부터 암반절개기(2)의 작동부(6)에 유압을 공급한다. 그러면 작동부(6)내에 구비된 피스톤(6a)이 상승되고, 이와 같이 상승되는피스톤(6a)에 의해서 캡(8)이 작동부(6)로부터 상승되면서 캡(8)의 상면은 절개하고자 하는 암반(14)의 내면에 접하게 되고, 작동부(6)의 하면은 모암(12)의 내면에 접한 상태로서 계속적으로 공급되는 유압에 의해서 캡(8)이 더 상승되어 천공홀(20)을 벌려 줌으로써 각 천공홀(20) 사이에 절개선(22)이 형성되게 된다.On the other hand, after the drilling hole 20 is formed in the rock 10 as described above, the operation part 6 of the rock cutting machine 2 is inserted and fixed in the drilling holes 20 forming one drilling line. After that, the hydraulic pressure is supplied from the control unit 4 of the rock cutter 2 to the operating part 6 of the rock cutter 2. Then, the piston 6a provided in the operating part 6 is raised, and the cap 8 is lifted from the operating part 6 by the piston 6a which is raised in this way, and the upper surface of the cap 8 is to be cut off. In contact with the inner surface of the rock 14, the lower surface of the operating portion 6 is in contact with the inner surface of the mother arm 12, the cap 8 is further raised by the hydraulic pressure continuously supplied to open the drilling hole 20 By cutting, the incision line 22 is formed between each of the perforation holes 20.
여기서, 상기한 암반절개기(2)의 작동을 기출원된 특허 제 98-33663호을 참조하여 간략하게 설명하면, 암반절개기의 작동부내로 유압이 공급되면 하우징의 실린더내에 구비된 피싱로드의 각 로드 사이의 간극을 통해서 유압이 실린더실내로 유입된다.Here, the operation of the rock cutter 2 will be described briefly with reference to the patent application No. 98-33663, where the hydraulic pressure is supplied into the operating portion of the rock cutter, the angle of the phishing rod provided in the cylinder of the housing Hydraulic pressure flows into the cylinder chamber through the gap between the rods.
이와 같이 실린더실내로 유입된 유압은 피스톤을 상승시키게 되고, 이와 같이 상승되는 피스톤에 의해서 상기한 피싱로드는 그 하단의 탄성부재에 의해서 낚시대와 같이 펼쳐지게 된다.In this way, the hydraulic pressure introduced into the cylinder chamber raises the piston, and the above-mentioned phishing rod is unfolded like a fishing rod by the elastic member at its lower end by the piston thus raised.
또한, 상기와 같이 상승되는 피스톤은 하우징의 상면에 구비된 캡을 상승시키게 되고, 이와 같이 상승되는 캡은 그 전면이 절개하고자 하는 암반(14)에 접하여 이 암반(14)을 모암(12)으로부터 밀어올려 절개시키게 된다.In addition, the piston raised as described above raises the cap provided on the upper surface of the housing, the cap raised in this way is in contact with the rock 14 to be cut off the front of the rock 14 from the mother arm 12 It is pushed up to make an incision.
한편, 상기와 같이 암반(10)을 절개한 후에는 상기 암반절개기의 다른 유압포트로 유압을 공급하여 주면, 피스톤 외주면의 요홈에 형성된 다수의 오일통로를 통해서 유압이 실린더내로 유입되어 피스톤을 하강시키게 된다.On the other hand, after cutting the rock 10 as described above, if the hydraulic pressure is supplied to the other hydraulic port of the rock cutting machine, the hydraulic pressure flows into the cylinder through a plurality of oil passages formed in the groove of the piston outer peripheral surface to lower the piston Let's go.
그러면, 상기와 같이 하강하는 피스톤에 의해서 상기한 피싱로드는 다시 접히게 되고, 상기한 캡은 피스톤이 하강됨에 따라 그 자체의 자중에 의해서 하강되어 원상태로 복원되게 된다.Then, the phishing rod is folded again by the descending piston as described above, and the cap is lowered by its own weight as the piston descends and restored to its original state.
다음, 상기한 단계에 의해서 형성된 절개선(22)을 따라 모암(12)으로부터 절개된 암반(14)을 분리시킨다. 이와 같이 절개된 암반(14)을 분리할 시에는 통상적인 굴삭기의 선단에 니퍼(Nipper)(30)를 장착하여 이 니퍼(30)로써 절개된 암반(14)을 분리시켜 내면 절개된 암반(14)이 절개선(22)을 따라 모암(12)으로부터 절개되어 분리되므로 이의 작동소음이나 진동을 저감시킬 수 있게 된다.Next, the cut rock 14 is separated from the mother rock 12 along the incision line 22 formed by the above-described steps. When the rock 14 is cut off as described above, a nipper 30 is mounted on the tip of a conventional excavator to separate the rock 14 cut by the nipper 30, and then the rock 14 is cut out. ) Is cut and separated from the mother arm 12 along the incision line 22, so that its operation noise or vibration can be reduced.
여기서, 본 발명에 따른 유압피스톤식 무진동 무소음 암반절개기(2)를 이용한 암반절개공법시의 소음 및 진동도의 측정결과를 아래 표에 나타내었다.Here, the measurement results of the noise and vibration in the rock cutting method using the hydraulic piston type vibration-free noise-free rock cutler 2 according to the present invention are shown in the table below.
위의 표에서, 암 소음도 및 암 진동도는 암반절개기(2)를 작동하지 않은 상태 즉, 공사현장에서 암반(10)을 절개하기 전의 소음과 진동도를 측정한 결과치이고, 측정 소음도 및 측정 진동도는 공사현장에서 암반절개기(2)를 작동시켜암반(10)을 절개하는 과정에서의 소음과 진동도를 측정한 결과치이다.In the above table, the cancer noise level and the vibration level are the results obtained by measuring the noise and the vibration level before the rock cutout 2 is not operated, that is, before the rock bed 10 is cut at the construction site. Vibration is the result of measuring the noise and vibration in the process of cutting the rock 10 by operating the rock incision (2) at the construction site.
따라서, 위의 표에 나타난 바와 같이 암반절개기(2)를 이용한 암반(10)의 절개시에 발생되는 소음 및 진동은 공사현장에서 규제되는 소음 및 진동도의 규제기준치보다 낮게 발생됨을 알 수 있다.Therefore, as shown in the above table, it can be seen that the noise and vibration generated when cutting the rock 10 using the rock incision 2 are lower than the regulation standard of the noise and vibration degree regulated at the construction site. .
한편, 상기와 같이 절개된 암반(14)을 분리할 시에는 기존과 같이 브레이커를 사용할 수도 있는데, 이는 소음이나 진동의 규제가 엄격하게 적용되는 도심지와 같은 곳에서는 니퍼(Nipper)(30)를 사용하고, 소음이나 진동의 규제가 완화되어 적용되는 시골과 같은 한적한 곳에서는 브레이커(Breaker)(미도시)를 사용함이 작업성측면에서는 바람직하다.On the other hand, when separating the cut rock 14 as described above may use a breaker as in the conventional, which uses a nipper (Nipper) (30) in places such as downtown where the regulation of noise or vibration is strictly applied. In a secluded place such as the countryside where the regulation of noise or vibration is applied, it is preferable to use a breaker (not shown) in terms of workability.
이상에서 살펴 본 바와 같이, 본 발명의 유압피스톤식 무진동 무소음 암반절개기를 이용한 암반절개공법은 암반을 절개할 시에 발생되는 진동이나 소음을 저감시킬 수 있게 되고, 절개된 암반이 사방으로 비산되는 것을 방지할 수 있으며, 또한 절개된 암반을 분리할 시에 발생되는 2차 소음 및 진동을 방지할 수 있는 효과가 있다.As described above, the rock cutting method using the hydraulic piston type vibration-free noiseless rock incision according to the present invention can reduce vibrations or noise generated when the rock is cut, and the cut rock is scattered in all directions. It can be prevented, and also has the effect of preventing secondary noise and vibration generated when separating the cut rock.
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| KR1020000002589A KR100318287B1 (en) | 2000-01-20 | 2000-01-20 | Base Rock Split Method Using Oil Pressure Piston Type Base Rock Splitter Having No-Vibration And No-Noise Condition |
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| KR1020000002589A KR100318287B1 (en) | 2000-01-20 | 2000-01-20 | Base Rock Split Method Using Oil Pressure Piston Type Base Rock Splitter Having No-Vibration And No-Noise Condition |
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| CN113431575A (en) * | 2021-06-11 | 2021-09-24 | 中铁六局集团有限公司 | Construction method for assisting excavation of stone cutting by plunger type rock hydraulic splitter |
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| KR102340894B1 (en) | 2019-07-12 | 2021-12-21 | 한국철도기술연구원 | Rock splitting system of non-vibration and anti-noise, and continuous rock splitting method using the same |
| KR102207796B1 (en) | 2019-08-19 | 2021-01-26 | 한국철도기술연구원 | Rock splitting system having rock splitter of disc bit type, and rock splitting method using the same |
| KR102195905B1 (en) | 2019-08-19 | 2020-12-29 | 한국철도기술연구원 | Rock splitting system having multi-directional plasma-oil pressure rock splitter, and continuous rock splitting method using the same |
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| CN113431575A (en) * | 2021-06-11 | 2021-09-24 | 中铁六局集团有限公司 | Construction method for assisting excavation of stone cutting by plunger type rock hydraulic splitter |
| CN113431575B (en) * | 2021-06-11 | 2024-04-26 | 中铁六局集团有限公司 | Construction method for assisting stone cutting excavation by plunger type rock hydraulic splitter |
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