WO2017111307A1 - Procédé marin d'excavation de substratum rocheux - Google Patents

Procédé marin d'excavation de substratum rocheux Download PDF

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Publication number
WO2017111307A1
WO2017111307A1 PCT/KR2016/012959 KR2016012959W WO2017111307A1 WO 2017111307 A1 WO2017111307 A1 WO 2017111307A1 KR 2016012959 W KR2016012959 W KR 2016012959W WO 2017111307 A1 WO2017111307 A1 WO 2017111307A1
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WO
WIPO (PCT)
Prior art keywords
rock
excavation
excavating
sea
drilling
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Application number
PCT/KR2016/012959
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English (en)
Korean (ko)
Inventor
한동훈
윤동철
Original Assignee
한동훈
지에스네트웍스 주식회사
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Application filed by 한동훈, 지에스네트웍스 주식회사 filed Critical 한동훈
Publication of WO2017111307A1 publication Critical patent/WO2017111307A1/fr

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    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
    • E02B3/04—Structures or apparatus for, or methods of, protecting banks, coasts, or harbours
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B5/00—Artificial water canals, e.g. irrigation canals
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B5/00—Artificial water canals, e.g. irrigation canals
    • E02B5/02—Making or lining canals
    • 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 offshore rock drilling method, and more particularly, to safely and effectively excavate the protruding rock in the water in the land state in order to construct a waterway for the construction of a marine structure or the construction of a ship or a harbor It is about the rock drilling method of the sea.
  • Dredging of these routes involves activities such as removing rock or soil below sea level, or removing islands.
  • the method of removing rock below the sea level is to use a large-scale chain rock method, blasting method (underwater blasting using a diver, perforation and underwater blasting using a barge).
  • the blasting method of underwater rock characterized by the above-mentioned.
  • the underwater rock blasting method should be accompanied by an increase in the construction period and an increase in the construction cost, and the work efficiency is deteriorated due to the location of the drilling point and the error blasting during the drilling. Restriction of working time, safety problem, and work efficiency of recharging work are reduced, and it is difficult to check dredging depth visually after completion of excavation work. Therefore, there is a problem that 3-D scan should be performed by using radar.
  • the purpose of the present invention is to provide a rock rock excavation method for excavating rock rock located below sea level and to secure the safety of the ground cover.
  • the rock rock drilling method of the present invention comprises the steps of drilling the explosives field as many as necessary in the land to remove a large rock exposed to the top of the sea surface (S1);
  • the present invention excavates the rock exposed to the upper sea level step by step in the land state, and the rock located below the sea level is excavated from the edge or the center of the excavation area according to the depth of the excavation in the land state to form the base cover around the center Since rock can be excavated in the land state, it is possible to minimize the excavation of underwater rock. Therefore, the rock excavation work can be safely and effectively performed at the same time, and the external excavation of the crushed rock is easy. There is an effect that can reduce the construction cost by dramatically reducing the time and air.
  • 1 to 3 is a view showing the rock drilling method excavation procedure of the sea according to the present invention.
  • Figures 4a to 4f is a view showing the rock drilling method excavation procedure of the sea according to another embodiment of the present invention.
  • the rock rock drilling method of the present invention comprises the steps of perforating the explosive field major as necessary in the land to remove the large rock mass exposed to the top of the sea surface (S1);
  • the rock excavated to a certain height in the step S2 is characterized in that it is exposed to the top of the sea level 0.5 ⁇ 1.5m high.
  • step S3 if the planned drilling depth is 9 m or less, the rock is sequentially excavated from the edge adjacent to the shore toward the center portion and excavated in the land state.
  • step S3 if the planned drilling depth is 9 m or more, the rock is sequentially excavated in the direction of the edge from the central portion not adjacent to the coast, and is excavated in the land state.
  • the base material film 10 When the base material film 10 is filled with seawater inward, it is characterized in that it comprises a step (S3-4) to excavate the base material film 10 to the planned drilling depth.
  • the base cover 200 is characterized by blocking the inflow of sea water by monitoring and analyzing the inflow of sea water in real time to the measurement equipment when working inside.
  • step S3-4 is characterized in that the excavation of the ground foundation film 10 by the blasting method and the chain cancer method.
  • the present invention is to continuously excavate the rock under the sea surface in the land state to increase the efficiency and stability of the excavation work to explain the present invention in more detail, first, the present invention is shown in Figure 1 As shown in FIG. 1, a perforator 100 is prepared in the excavation area to remove a large rock that is exposed to the upper surface of the sea in the excavation area of the sea, and drills the explosive field major as necessary as the bit 101 of the perforator 100. do.
  • the prepared explosives are inserted and loaded to blast the rocks sequentially to excavate all the large rocks exposed to the upper part of the sea level.
  • the rock exposed to the top of the sea level is excavated to be exposed to a certain height from the top of the sea level so that the rock can be excavated to the rock below the sea level while working safely on the top of the rock in the land state.
  • the rock that is exposed to the top of the sea level is preferably exposed to the height of 0.5 ⁇ 1.5m above the sea level according to the work safety and work efficiency.
  • the excavation depth is divided into a case of 9m or less and a case of 9m or more to perform excavation work differently.
  • drilling is performed from the edge of the rock adjacent to the sea surface to the central direction in order to excavate the rock in the excavation area to the planned drilling depth in the land state (100).
  • Drilling the explosive charge major from the edge of the excavation area using the bit 101 of the) and load the explosive charge continuously to proceed the excavation work sequentially toward the central portion of the excavation area.
  • the excavation may proceed from the edge of the rock adjacent to the sea surface from the edge of the rock to the central direction, but the present invention In order to obtain the maximum excavation effect in the state, as shown in Figs. 4A and 4F, it is preferable to proceed the excavation from the rock center of the excavation zone not adjacent to the sea surface toward the edge of the rock adjacent to the sea surface.
  • the reason for excavating the rock from the central part is that it is difficult for the puncher 100 to drill the explosive charge major more than 9m at a time, and by using the bit 101 of the puncher 100 in the central rock of the excavation area, load the drill and explosives several times.
  • Base plate with working space 150 excavated to the planned drilling depth on the side Such that the 200 is formed in the excavated area.
  • the base cover 200 serves to block the inflow of seawater into the interior of the working space 150 formed in the rock center of the excavation area to excavate the rock located below the sea level to the planned drilling depth in the land state Therefore, the perforator 100 and the worker can excavate to the edge direction side of the rock, which is an area close to the sea surface safely in the land state without being disturbed by the seawater in the working space 150, so that the ground cover 200 is a working space As the rock formations around 150 are sequentially excavated, they are excavated to a predetermined width at the edge of the rock close to the final sea level.
  • the ground cover film 200 is installed with measuring equipment such as a ground water gauge, a pore water pressure gauge, a permeability counter, and the seawater flows into the ground cover film 200. Measurement and analysis of the tendency to be in real time, and when the seawater flows into the base layer 200, the seawater introduced into the base layer 200 to the outside by using the reinforcement method or pumping of low pressure grouting to the workplace Prevent my seawater from entering
  • the top surface of the base cover 200 is excavated to a certain height, but the upper surface of the base cover 200 Surface excavation height is excavated to be lower than the sea level height at low tide so that the seawater naturally flows into the base cover 200 at low tide so that the sea water can be filled into the base cover 200.
  • the base cover 200 After all of the seawater is filled into the base cover 200, the base cover 200, which is the remaining rock in the excavation area, is excavated at a planned drilling depth. At this time, since the sea water is filled inside the base cover 200, the base plate It can greatly reduce the explosion noise generated during excavation of the temporary film 200 and prevent the generation of scattering dust during the explosion, as well as to prevent broken rock fragments from flying in all directions.
  • the excavation of the base cover 200 is carried out using a blasting method using a single and disperse charges used for underwater rock excavation, and the remaining rock is continuously blown by a chain-cracking rod on the Zike Brain.
  • Excavation of the edge rock of the excavation area formed by the base cover 200 is to be all excavated to the planned excavation depth.
  • the present invention can be used to safely excavate most of the rock in the excavation area, except the ground cladding in the land state using the topographic conditions of the ground to increase the efficiency and stability of the excavation process is relatively simple and Since the excavation of underwater rock can be minimized, there is an advantage to improve the economics by shortening the construction period and reducing the construction cost.
  • the present invention excavates the rock exposed to the upper sea level step by step in the land state, and the rock located below the sea level is excavated from the edge or the center of the excavation area according to the depth of the excavation in the land state to form the base cover around the center Since rock can be excavated in the land state, it is possible to minimize the excavation of underwater rock. Therefore, the rock excavation work can be safely and effectively performed at the same time, and the external excavation of the crushed rock is easy. It is possible to reduce construction costs by drastically reducing time and air, and thus has high industrial applicability.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Ocean & Marine Engineering (AREA)
  • Earth Drilling (AREA)

Abstract

La présente invention concerne un procédé marin d'excavation de substratum rocheux et, plus spécifiquement, un procédé marin d'excavation de substratum rocheux pour excaver de façons sûre et efficace un substratum en saillie sous-marin dans un état à terre afin de créer une voie d'eau ou de construire un port pour construire une structure en mer ou exploiter un navire. Le procédé marin d'excavation de substratum rocheux selon la présente invention comprend : une étape (S1) de forage jusqu'à un nombre requis de trous de chargement d'explosifs à terre afin d'éliminer un substratum rocheux à grande échelle exposé au-dessus de la surface de la mer ; une étape (S2) de chargement d'explosifs dans les trous de chargement d'explosifs, et puis le tir séquentiel d'explosifs afin d'excaver le substratum rocheux à grande échelle au-dessus de la surface de la mer jusqu'à une hauteur prédéterminée à partir de la surface de la mer ; et une étape (S3) d'excavation, dans l'état à terre, du substratum rocheux excavé jusqu'à la hauteur prédéterminée à partir de la surface de la mer, dans une direction à partir d'un bord vers une partie centrale ou à partir de la partie centrale vers le bord d'une zone d'excavation, selon une profondeur d'excavation planifiée, afin d'excaver le substratum rocheux en dessous de la surface de la mer.
PCT/KR2016/012959 2015-12-23 2016-11-11 Procédé marin d'excavation de substratum rocheux WO2017111307A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020150184604A KR101609686B1 (ko) 2015-12-23 2015-12-23 해상의 암반 굴착공법
KR10-2015-0184604 2015-12-23

Publications (1)

Publication Number Publication Date
WO2017111307A1 true WO2017111307A1 (fr) 2017-06-29

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ID=55789886

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PCT/KR2016/012959 WO2017111307A1 (fr) 2015-12-23 2016-11-11 Procédé marin d'excavation de substratum rocheux

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WO (1) WO2017111307A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115790302A (zh) * 2022-11-25 2023-03-14 中铁四局集团第二工程有限公司 嵌入式设置沉井深水基础水下爆破施工方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107237294B (zh) * 2017-06-16 2019-07-23 中交一航局第一工程有限公司 斜坡堤理坡工艺
KR101879995B1 (ko) * 2017-08-29 2018-07-19 배용철 해수면의 암버럭 매립 구간 및 암성토 구간에서의 천공발파공법
KR20230026080A (ko) 2021-08-17 2023-02-24 디엘이앤씨 주식회사 원지반 차폐벽을 이용한 석산 채굴 방법

Citations (5)

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JP2002081077A (ja) * 2000-09-08 2002-03-22 Nittoc Constr Co Ltd 発破工法
KR100964978B1 (ko) * 2009-03-17 2010-06-21 정광옥 강재 케이싱 토류벽을 이용한 해저광장 축조공법
KR100988052B1 (ko) * 2010-05-13 2010-10-18 (주)청석엔지니어링 대구경 무장약공 및 전자뇌관 동시기폭을 이용한 도심지 암발파 굴착 공법
KR20100128898A (ko) * 2009-05-29 2010-12-08 웅진개발 주식회사 기계화 시스템을 이용한 대구경 천공에 의한 수중 암반 폭파 공법
KR101000570B1 (ko) * 2010-07-13 2010-12-14 오이환 심발공 이중장약과 분산장약을 이용한 터널 고속굴착공법

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Publication number Priority date Publication date Assignee Title
KR101354383B1 (ko) 2013-12-02 2014-01-22 우주식 수중 발파작업용 작업선

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002081077A (ja) * 2000-09-08 2002-03-22 Nittoc Constr Co Ltd 発破工法
KR100964978B1 (ko) * 2009-03-17 2010-06-21 정광옥 강재 케이싱 토류벽을 이용한 해저광장 축조공법
KR20100128898A (ko) * 2009-05-29 2010-12-08 웅진개발 주식회사 기계화 시스템을 이용한 대구경 천공에 의한 수중 암반 폭파 공법
KR100988052B1 (ko) * 2010-05-13 2010-10-18 (주)청석엔지니어링 대구경 무장약공 및 전자뇌관 동시기폭을 이용한 도심지 암발파 굴착 공법
KR101000570B1 (ko) * 2010-07-13 2010-12-14 오이환 심발공 이중장약과 분산장약을 이용한 터널 고속굴착공법

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115790302A (zh) * 2022-11-25 2023-03-14 中铁四局集团第二工程有限公司 嵌入式设置沉井深水基础水下爆破施工方法
CN115790302B (zh) * 2022-11-25 2023-08-15 中铁四局集团第二工程有限公司 嵌入式设置沉井深水基础水下爆破施工方法

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