WO2015026155A1 - Structure pour dynamitage sous-marin et procédé de dynamitage sous-marin l'utilisant - Google Patents

Structure pour dynamitage sous-marin et procédé de dynamitage sous-marin l'utilisant Download PDF

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Publication number
WO2015026155A1
WO2015026155A1 PCT/KR2014/007728 KR2014007728W WO2015026155A1 WO 2015026155 A1 WO2015026155 A1 WO 2015026155A1 KR 2014007728 W KR2014007728 W KR 2014007728W WO 2015026155 A1 WO2015026155 A1 WO 2015026155A1
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WO
WIPO (PCT)
Prior art keywords
blasting
underwater
tubular body
hole
sleeve
Prior art date
Application number
PCT/KR2014/007728
Other languages
English (en)
Korean (ko)
Inventor
우주식
김영근
Original Assignee
Woo Jusik
Kim Younggeun
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Woo Jusik, Kim Younggeun filed Critical Woo Jusik
Publication of WO2015026155A1 publication Critical patent/WO2015026155A1/fr

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/12—Underwater drilling
    • E21B7/124—Underwater drilling with underwater tool drive prime mover, e.g. portable drilling rigs for use on underwater floors
    • E21B7/1245—Underwater drilling with underwater tool drive prime mover, e.g. portable drilling rigs for use on underwater floors using explosive means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42D—BLASTING
    • F42D1/00—Blasting methods or apparatus, e.g. loading or tamping
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42D—BLASTING
    • F42D3/00—Particular applications of blasting techniques
    • F42D3/04—Particular applications of blasting techniques for rock blasting

Definitions

  • the present invention relates to an underwater blasting structure and an underwater blasting method using the same, and more particularly, by blasting a protruding rock in the water in order to construct a waterway for the construction of a marine structure or the construction of a vessel or a harbor.
  • the present invention relates to an underwater blasting structure used for removal and an underwater blasting method using the same.
  • the blasting work by underwater attachment blasting is difficult and dangerous because the divers install the explosives by diving, and the blasting efficiency is low, and the blasting work by underwater suspension blasting is generated by the explosives of the water underwater.
  • the underwater drilling method is generally used to remove underwater rocks.
  • An underwater rock blasting apparatus and a method disclosed in Patent No. 581174 can be cited as an example of the underwater drilling blasting method.
  • the underwater rock blasting method disclosed in this patent document first shows a barge 110 as shown in FIG. After fixing the upper part of the blasting rock, drill the rock while vertically lowering the bit in the punching machine 100, and then by loading the explosives in the perforated hole to explode the gas pressure or impact caused by the explosion of the previous blasting hole. Exothermic reactions may not be sustained due to pressure or compression of explosives in water or water hammer, so that explosives may remain, and so-called dead pressure may occur.
  • the same high-performance explosives are used, which are safe because they explode by friction or impact even without a primer. There is a possibility of generating high.
  • general explosives such as emulsion explosives, which are not high-performance explosives, are water-in-oil droplets, and there are bubbles inside them. When such explosives are installed in water, bubbles burst by water pressure. There is a risk of explosion, and therefore it is difficult to use general explosives for underwater blasting.
  • the present invention has been made to solve the problems of the conventional underwater blasting method as described above, while it is possible to use the general explosives, and can accurately and safely load the explosives in the perforated rock hole, and at the same time the residual explosives due to the generation of dead pressure
  • An object of the present invention is to provide a structure for underwater blasting and a method for underwater blasting using the same, which can prevent the occurrence of water.
  • An object of the present invention to provide an underwater blasting structure is a pipe-shaped tubular body having a top and bottom open and the top and bottom open; Upper and lower caps respectively installed at upper and lower portions of the tube body to seal the tube; An injection part inserted into an inner lower part of the tube and containing explosives; Filled in the inner upper portion of the tubular body made of a full-colored portion, the outer circumference of the lower cap is provided with a plurality of leaf springs, the outer surface of the leaf spring by wrapping a leaf spring by a wire while wrapping the leaf spring By configuring the sleeve to be removed therefrom.
  • Another object of the present invention to provide an underwater blasting method using an underwater blasting structure, the underwater blasting method, the preparation step of fixing a barge provided with a perforator on the sea of the work site;
  • a blasting structure is provided inside the guide casing and a leaf spring and a sleeve are provided at the bottom, and the blasting structure is seated in the explosive charge hole, and then the wire connected to the sleeve is pulled to remove the sleeve.
  • the present invention is characterized in that a through-hole is formed in the upper cap, and through the through-hole, the initiator cable which is connected to the detonator primer inside the tubular body is drawn out to the top, and a heat shrink tube is installed on the outer circumferential surface of the initiator cable.
  • the present invention is characterized in that the sleeve is made of Teflon material or a plurality of guide protrusions are formed on the inner peripheral surface.
  • the present invention is characterized in that the tube is a synthetic resin material made of PVC or PE.
  • the present invention is characterized in that the adhesive is applied between the upper, lower cap and the tube.
  • the present invention is when the drilling depth of the explosive charge is less than a certain depth, the blasting structure is installed inside the guide casing in a state in which the tubular body, the upper, lower cap, the charging portion and the color portion is completely assembled, the explosive charge
  • the lower cap is attached to the explosive loader with the leaf spring and the sleeve attached to the lower end of the tubular body, and then the wire is pulled to the inside of the explosive loader.
  • the filling part is filled in the inside of the tube to be positioned at the lower side of the tube, and an chromosome is formed on the upper portion of the tube, and then the upper portion of the tube is sealed to seal the upper portion of the tube for blasting structure. It is characterized in that it is installed inside.
  • the present invention can be firmly installed and fixed to the explosive charges formed in the rock under water by using a blasting structure to prevent the occurrence of dead pressure phenomenon to safely and efficiently use underwater explosive work while using general explosives I can do it.
  • the present invention is provided with the same explosives installation environment as on land because the explosives are installed using a blasting structure on the underwater rock, and as a result, because the explosives and powder explosives can be easily used, economics and safety are improved.
  • the present invention is a plurality of lower portion of the blasting structure
  • the leaf spring is installed, and the blasting structure is fixed to the inner wall of the blasting charge hole formed in the underwater rock, so that the blasting structure does not float due to the buoyancy of seawater, and its installation position is fixed.
  • the explosives can be positioned accurately, so that the blasting can be done accurately and safely.
  • a plurality of O-rings are respectively installed in upper and lower caps for sealing the blasting structure of the present invention, and a heat shrink tube is installed on the outer circumferential surface of the detonation cable to effectively prevent the inflow of seawater into the blasting structure.
  • Figure 1 shows an example of a conventional underwater drilling method
  • FIG. 2 is a perspective view showing an example of the blasting structure according to the present invention.
  • FIG. 3 is an exploded perspective view of FIG. 2;
  • FIG. 4 is a cross-sectional view of FIG.
  • FIG. 5 is a cross-sectional view showing an example of an upper cap according to the present invention.
  • FIG. 6 is a flow chart showing an example of the underwater blasting method using the underwater blasting structure according to the present invention.
  • FIG. 7 is a configuration diagram showing an example of the underwater drilling device according to the present invention.
  • FIG. 8 is a configuration diagram showing an example of the seating hole forming step and the casing seating step according to the present invention
  • Figure 9 is a block diagram showing an example of the rock-explosion charge hole forming step according to the present invention.
  • FIG. 10 is a configuration diagram showing an example of the blasting structure installation step and the blasting structure fixing step according to the present invention.
  • the present invention is to provide an underwater blasting structure and a method for underwater blasting using the same, which can safely remove the rock in the water, for this purpose, the underwater blasting structure of the present invention as shown in FIG. ,
  • a plurality of wires 13 are connected to the upper portion of the sleeve 12.
  • the tubular body 10 is a hollow pipe shape in which the upper and lower parts are opened and the through hole 11 is formed therein, as shown in FIGS. 2 and 3, and the explosive charge is filled in the through hole 11 inside the tubular body 10. And is inserted into the explosive charge hole 4 formed in the rock by the perforator 2 and then fixed.
  • the tube 10 is not only easy to handle by using a lightweight synthetic resin pipe such as PVC or PE, but also when the explosives filled in the tube 10 are exploded, the tube 10 is also easily broken, so The loss can be reduced.
  • the upper and lower caps 20A and 20B are inserted into the open upper and lower portions of the hollow pipe-shaped tubular body 10, respectively, to seal the upper and lower parts of the tubular body 10, and the upper and lower caps 20A and 20B are illustrated in FIG. 4 and 5, a plurality of O-rings 21 are installed in a portion of the solid circular rod inserted into the upper and lower portions of the tubular body 10 and in contact with the inner wall of the tubular body 10. , Just by fitting the lower cap 20A, 20B to the upper and lower portions of the tubular body 10, the airtightness between the upper and lower caps 20A, 20B and the tubular body 10 is maintained. In order to maintain the upper and lower caps (20A, 20B) and the tubular body (10) in contact with each other it is also preferable to apply an adhesive and then fitting.
  • the upper cap (20A) is connected to the detonator primer 31 installed in the charge portion 30 inside the tubular body 10 to be described later as shown in Figure 5 for the detonation cable (C) to be drawn out to pass through
  • the through-hole 22 is formed, wherein the heat shrinkable tube (T) is installed on the outer circumferential surface of the detonation cable (C) so that seawater does not flow through the through-hole (22), whereby the airtightness of the through-hole (22) Stays solid.
  • the tubular body 10 When the upper and lower caps (20A, 20B) is installed in the upper and lower portions of the tubular body 10 as described above, the tubular body 10 is in a sealed form. Thus, the tubular body 10 in the sealed form is placed on a rock in the water. When inserted into the perforated explosive loader 4, the tubular body 10 does not stay inside the explosive loader 4 but is raised by the buoyancy of the seawater filled in the explosive loader 4 so that the tubular body 10 ) Needs to be firmly fixed to the inside of the explosive charge holder 4.
  • a plurality of leaf springs (S) are installed along the circumference of the lower cap 20B installed in the lower portion of the tube body 10, and the tube body 10 is inserted into the explosive charge holder 4 and then the plate spring. The end of the (S) is released so that the end of the leaf spring (S) can be fixed to the side of the explosive charge hole (4), for this purpose a plurality of leaf springs (S) each have a beveled shape by When installed in the cap 20B, the outer surface of the tubular body 10 is protruded. At this time, the leaf spring S is fixed to the side surface of the lower cap 20B by screws or the like.
  • the tube 10 should be able to be removed from the explosive charge (4), As described above, when the leaf spring S protrudes out of the tube 10, it is not easy to take the tube 10 from the explosive charge hole 4.
  • the upper and lower heights of the sleeve 12 cover the height of the leaf spring (S) sufficiently while overhanging the outer circumferential surface of the tubular body 10 when the sleeve 13 is pulled upward by the wire 13 to be described later. It is desirable to have a height that can be raised.
  • the sleeve 12 has a plurality of sleeves 12 so as to easily remove the sleeve 12 installed to surround the outside of the leaf spring (S) so that the end of the leaf spring (S) can be expanded to the outside of the tube (10).
  • Two wires 13 are connected and installed, and the other end of the wires 13 extends to the barge 1 above the sea level and is connected to an outer sleeve of the leaf spring 4 by the operator pulling the wires 13. (12) is removed so that the end of the leaf spring (S) is expanded to the outside of the tubular body 10 to be fixed to the inside of the explosive charge hole (4).
  • the sleeve 12 is made of metal, or preferably made of Teflon material having a low frictional force so that it can be easily removed from the leaf spring S by pulling the wire 13.
  • the charge portion 30 inserted into the inner lower portion of the tubular body 10 is composed of a detonation primer 31 and the explosive charge 32, as shown in Figure 4, the structure of the charge portion 30 is generally widely used Since the same explosive structure is present, a detailed description thereof will be omitted.
  • the inside of the tubular body 10 is composed of a charge portion 30 is filled with explosives, and a full-color portion 40 located in the upper portion of the charge portion 30, wherein the color portion 40 is filled with sand and so on
  • a charge portion 30 is filled with explosives
  • a full-color portion 40 located in the upper portion of the charge portion 30, wherein the color portion 40 is filled with sand and so on
  • the present invention is to perform underwater blasting using a blasting structure consisting of the above structure, wherein the underwater blasting method according to the present invention is a preparation step (S100), seating hole forming step (S200) as shown in FIG. , Guide casing installation step (S300), explosive charge hole forming step (S400), blasting structure installation and fixing step (S500) and blasting step (S600).
  • the underwater blasting method according to the present invention is a preparation step (S100), seating hole forming step (S200) as shown in FIG. , Guide casing installation step (S300), explosive charge hole forming step (S400), blasting structure installation and fixing step (S500) and blasting step (S600).
  • the barge 1 is placed on top of the rock that needs underwater blasting to prepare the driller 2 to drill the required number of explosive loaders 4 for the underwater rock.
  • the barge 1 forms a barge 1 by arranging a pair of small barges as shown in FIG. 7 and then using a connecting member such as an H beam to form a barge (1). It is implemented by boarding and fixing the punching machine 2 generally used on the upper part of 1).
  • the barge 1 After the barge 1 is positioned in the proper position by the above process, it is necessary to fix the barge 1 so that it does not move or flow up and down during the drilling operation.
  • the barge 1 is fixed at an appropriate height on the sea surface by installing fixed beams (not shown) and lowering them so that the bottom of the fixed beams reaches the bottom of the water.
  • This step is to form a seating hole (3) in the rock so that the guide casing (2A) can be seated on the rock in the water by using a perforator (2) located on the barge (1), such a guide casing ( 2A) then serves to guide the path through which the drilling bit 2B or tube 10 is inserted.
  • a tool for forming a seating hole having a bit formed inside and outside, respectively is used.
  • the outer bit protrudes outward to form a seating hole (3) having a relatively large diameter, and when the reverse rotation is made of a structure that is easily removed from the seating hole (3) as the protruding outer bit is closed inward As a result, as shown in FIG. 8, a seating hole 3 having a suitable diameter and depth of the guide casing 2A is formed.
  • This step is a step of seating by lowering the guide casing (2A) to the seating hole (3) formed in the seating hole shape step (S200), as shown in Figure 8 forming a seating hole (3)
  • the guide casing 2A is placed on the upper part of the seating hole 3 by lowering the guide casing 2A along the outer circumferential surface of the tool, and then the tool is rotated in a reverse direction to lift the protruding outer bit inward.
  • (2A) is lowered and one end of the guide casing (2A) is installed in the seating hole (3), whereby the guide casing (2A) guides the withdrawal path of the drill bit (2B) and the tubular body (10) to be described later. do.
  • the drill bit 2B is inserted into the guide casing 2A as shown in FIG.
  • the explosive charge hole (4) at this time by supplying compressed air with water to the drilling bit (2B) to remove the rock crushed material due to rock drilling, so that the drilling operation is made.
  • the explosive charge hole 4 is removed along the guide casing 2A along the guide casing 2A. Inserting and installing the blasting structure 5 according to the present invention.
  • the present invention varies the installation method according to the drilling depth of the explosive charge (4), first, when the drilling depth of the explosive charge (4) is shallow to a certain depth (about 4m) or less, the upper and lower caps 20A on the barge , 20B) and inserted into the guide casing 40 in the state of assembling the blasting structure consisting of the charge portion 30 and the color portion 40, the tube 10 using a long rod, etc. After pressing the upper part of the explosive charge hole 4 so as to be inserted completely, and confirming that the blasting structure is correctly inserted in the explosive charge hole 4, the wire 13 is pulled to the outside of the lower cap 20B.
  • the tubular body 10 is prepared to have a length enough to extend from the explosive charge hole 4 to protrude above the water surface, and then the leaf spring S and the sleeve 12 are attached to the lower end of the tubular body 10.
  • the lower cap 20B and press the tubular body 10 with the lower end sealed to the explosive charge hole 4, and then pull the wire 13 to cover the sleeve spring S. ),
  • the tube body 10 is fixed to the inside of the explosive charge hole 4 by the leaf spring (S).
  • the filling part 30 containing explosives is filled in the inside of the tubular body 10 and placed in the lower part of the tubular body 10, and filled with sand or the like to form the color part 40 by filling the upper part thereof.
  • the upper cap 20A is used to seal the upper part of the tubular body 10, so that the tubular body 10 is more precisely inside the explosive-loading hole 4 even when the explosive-loading hole 4 is deep. Effective insertion can be installed.
  • the guide casing 2A is removed, the barge 1 is moved to a safe position, and then the detonation wire connected to the charge part 30 is provided.
  • the explosives inside the structure are exploded using (C), whereby the rock in the water is broken.
  • the detonation primer 31 is installed inside the blasting structure, so that the explosives of some explosives are exploded by the action of the detonation detonator 31, so that the entire explosive is exploded. Otherwise, the explosives 32 installed inside the blasting structure are connected by a detonation line (not shown), and then the depletion line is reconnected with the detonation primer 31 (not shown), thereby acting on the detonation primer 31. It is desirable to be able to more reliably prevent some explosives from exploding by exploding at the same time.
  • the explosives can be fixed to the explosives loader formed in the rock under water by using the blasting structure, the occurrence of dead pressure is prevented, so that the explosive work can be safely and efficiently used while using the explosives. It can be done with

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Engineering & Computer Science (AREA)
  • Earth Drilling (AREA)

Abstract

La présente invention concerne une structure pour dynamitage sous-marin et un procédé de dynamitage sous-marin l'utilisant. La structure pour dynamitage comprend : un corps de tuyau en forme de tuyau (10) possédant ses parties supérieure et inférieure ouvertes ; des coiffes supérieure et inférieure (20A et 20B) installées sur les parties supérieure et inférieure ouvertes, respectivement, du corps de tuyau (10) et scellant le corps de tuyau (10) ; une partie chargée (30) insérée dans la partie inférieure interne du corps de tuyau (10) et renfermant des explosifs ; et une partie de tassement (40) remplie dans la partie supérieure interne du corps de tuyau (10) et couvrant la partie chargée (30). Une pluralité de ressorts à plaque (S) est installée sur la circonférence externe de la coiffe inférieure (20B), et un manchon (12) est installé à l'extérieur des ressorts à plaque (S) pour enfermer les ressorts à plaque (S) et peut être retiré des ressorts à plaque (S) au moyen d'un fil (13). La présente invention selon la configuration telle que décrite précédemment utilise une structure pour dynamitage et permet à des explosifs d'être installés et fixés dans le fond rocheux sous-marin, de sorte que l'occurrence de pression morte est empêchée, et le travail de dynamitage sous-marin peut être effectué de manière fiable et efficace même lorsque des explosifs typiques sont utilisés.
PCT/KR2014/007728 2013-08-20 2014-08-20 Structure pour dynamitage sous-marin et procédé de dynamitage sous-marin l'utilisant WO2015026155A1 (fr)

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KR1020130098417A KR101319736B1 (ko) 2013-08-20 2013-08-20 수중 발파용 구조체 및 이를 이용한 수중 발파 방법
KR10-2013-0098417 2013-08-20

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CN109029178A (zh) * 2018-09-25 2018-12-18 贵州新联***工程集团有限公司 一种用于***的防水装置
CN111749612A (zh) * 2020-06-11 2020-10-09 武汉大学 大直径海上嵌岩桩基坑开挖方法
CN114923388A (zh) * 2022-06-21 2022-08-19 福建省新华都工程有限责任公司 一种大孔径积水泥浆炮孔连续装药专用装置

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KR101655047B1 (ko) * 2015-11-19 2016-09-06 김경선 수중 발파 작업용 구조물
KR101656200B1 (ko) * 2016-03-15 2016-09-08 김영근 파라핀이 주입된 지관을 이용한 암반 발파방법
KR101855098B1 (ko) * 2016-06-16 2018-05-04 허원호 폭약의 충격파로부터 뇌관 불발을 방지하기 위한 뇌관 보호 장치
KR101981633B1 (ko) * 2018-05-17 2019-05-24 전남대학교산학협력단 폭약장전 밀도 조절이 가능한 다단장약 홀더 및 조절 발파를 위한 이의 시공방법
CN114234748B (zh) * 2021-11-23 2023-03-28 煤炭科学研究总院 一种煤矿井下深孔***方法
KR102534634B1 (ko) * 2022-01-04 2023-05-26 주식회사 려원이엔씨 암반 발파용 폭약튜브 및 이를 이용한 암반의 발파공법

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JP2001099600A (ja) * 1999-09-28 2001-04-13 Nof Corp 水中衝撃波の発生装置及び発生方法
KR100347237B1 (ko) * 2000-06-05 2002-08-03 이기수 가연성 액체 및 기체를 이용한 암석 파쇄방법 및 그 팽창통

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JP2001099600A (ja) * 1999-09-28 2001-04-13 Nof Corp 水中衝撃波の発生装置及び発生方法
KR100347237B1 (ko) * 2000-06-05 2002-08-03 이기수 가연성 액체 및 기체를 이용한 암석 파쇄방법 및 그 팽창통

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109029178A (zh) * 2018-09-25 2018-12-18 贵州新联***工程集团有限公司 一种用于***的防水装置
CN111749612A (zh) * 2020-06-11 2020-10-09 武汉大学 大直径海上嵌岩桩基坑开挖方法
CN111749612B (zh) * 2020-06-11 2021-12-03 武汉大学 大直径海上嵌岩桩基坑开挖方法
CN114923388A (zh) * 2022-06-21 2022-08-19 福建省新华都工程有限责任公司 一种大孔径积水泥浆炮孔连续装药专用装置
CN114923388B (zh) * 2022-06-21 2024-03-22 福建省新华都工程有限责任公司 一种大孔径积水泥浆炮孔连续装药专用装置

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