WO2018155749A1 - Free-fall type cone penetrometer having variable strut part - Google Patents

Free-fall type cone penetrometer having variable strut part Download PDF

Info

Publication number
WO2018155749A1
WO2018155749A1 PCT/KR2017/002149 KR2017002149W WO2018155749A1 WO 2018155749 A1 WO2018155749 A1 WO 2018155749A1 KR 2017002149 W KR2017002149 W KR 2017002149W WO 2018155749 A1 WO2018155749 A1 WO 2018155749A1
Authority
WO
WIPO (PCT)
Prior art keywords
strut
cone
seabed
thickness
module
Prior art date
Application number
PCT/KR2017/002149
Other languages
French (fr)
Korean (ko)
Inventor
김지훈
권오순
신창주
강현
서정민
박혜주
정무혜
백원대
최재호
Original Assignee
한국해양과학기술원
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 한국해양과학기술원 filed Critical 한국해양과학기술원
Priority to PCT/KR2017/002149 priority Critical patent/WO2018155749A1/en
Publication of WO2018155749A1 publication Critical patent/WO2018155749A1/en

Links

Images

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
    • G01N1/08—Devices for withdrawing samples in the solid state, e.g. by cutting involving an extracting tool, e.g. core bit
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
    • G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
    • G01N3/303—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight generated only by free-falling weight
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/24—Earth materials

Definitions

  • the present invention relates to a cone injector for acquiring ground information, and more particularly, to a free-falling cone injector configured to be used by changing the thickness and length of a strut part according to the type of ground.
  • Subsea soils have a variety of environments. Some subsurfaces are very soft, but for others it can be very hard. In addition, some seabeds may be introduced into the soil, which may change the degree of solidity.
  • Conventional cone intruder has a configuration that does not take into account that the different degree of softness of the seabed ground, there is a limit to perform the cone penetration test in an optimal state according to the type of seabed ground.
  • the present invention was developed to overcome the limitations of the prior art as described above, and the strut portion existing between the sensor portion and the payload portion of the cone intruder can be modified to fit the degree of softening of the seabed. It is an object to provide a cone injector having a configuration.
  • the bottom is provided with a sensor unit with a sensor built-in, Has a payload section for receiving and recording signals, and a strut section is formed between the sensor section and the payload section;
  • the strut portion has a structure in which a plurality of strut modules are continuously arranged and assembled in a disassembled state;
  • a cone intruder is provided, which can be formed by replacing the strut part with a strut module having a thickness and vertical length promoted in accordance with the softness of the sea bed to be inserted.
  • the plurality of strut modules constituting the strut portion has a shape in which the thickness becomes smaller and the vertical length becomes longer as it goes to the end in the seabed ground direction, so that the strut goes to the end in the seabed ground direction.
  • the thickness of the part becomes smaller step by step;
  • a connection adapter may be provided at a position where the thickness and vertical length of the strut module are changed.
  • the strut portion is formed by assembling a plurality of strut modules, the thickness and length of the strut portion can be made to the optimum state according to the softness of the seabed to be inserted, accordingly, It is possible to minimize the risk of buckling and breaking of the cone intruder during penetration into the seabed, and to effectively inject the cone intruder into the seabed to the desired depth, thereby providing more rich and useful seabed information. It has the advantage of being able to be acquired.
  • FIG. 1 is a schematic side view showing a cone intruder according to the present invention.
  • FIGS. 2 to 4 are schematic side views showing various embodiments of cone injectors, respectively, according to the present invention.
  • FIG. 5 is a schematic side view showing the cone intruder in an exploded state according to the present invention.
  • Figure 1 is a schematic side view showing a cone injector according to the present invention
  • the cone injector 100 according to the present invention is a sensor unit 1, payload (2) and a strut (strut) It consists of a part (3).
  • the sensor unit 1 is provided at one end of the cone intruder 100
  • the payload unit 2 is provided at the other end of the cone intruder 100
  • the strut part 3 is provided at the sensor unit 1.
  • the cone injector 100 is freely dropped in a state in which the sensor unit 1 is below and the payload unit 2 is positioned vertically so as to penetrate into the seabed. Information).
  • the sensor unit 1 is a member having a conical shape with a sharp point in the direction toward the sea bed, and various sensors are embedded therein.
  • the payload unit 2 is a member that receives and records signals from the sensors embedded in the sensor unit 1, and a power source (battery) may be embedded therein as necessary.
  • the strut portion 3 is a portion connecting the sensor portion 1 and the payload portion 2 to each other.
  • the seabed ground to which the cone intruder 100 is to be penetrated may vary depending on the test location. In order to enable the cone intruder 100 to effectively penetrate into the seabed ground, according to the softness of the seabed ground, It is preferable to change the thickness (thickness) and the vertical length of the strut portion. In order to acquire information up to the depth of the seabed, it is preferable that the sensor part 1 is deeply penetrated into the seabed.
  • the length of the strut portion 3 is preferably long. On the other hand, the longer the vertical length of the strut portion 3, the greater the risk that deformation such as buckling, fracture, etc. occurs in the process of injecting the cone injector 100 into the seabed.
  • FIG. 2 to 4 show a schematic shape of the cone indenter 100 according to the present invention, in which the thickness and the vertical length of the strut portion are respectively changed according to the softness of the sea bed.
  • FIG. 2 is a cone injector 100 suitable when the sea bed is soft
  • FIG. 3 is a cone intruder 100 suitable when the sea bed is hard
  • FIG. 4 is a combination of those shown in FIGS. It is the cone injector 100 of a structure.
  • the cone injector 100 can easily penetrate the sea bed and there is less possibility of deformation such as buckling, so that the strut portion 3 is as long as necessary in the vertical direction as shown in FIG. It may have a relatively small thickness.
  • the thickness of the sturt portion 3 may be configured to gradually decrease in steps (stepwise) while going vertically downward.
  • Cone injector 100 as shown in Figures 2 to 4 above, has a structure in which the strut portion 3 can change the thickness and vertical length in accordance with the softness of the seabed ground. .
  • the strut part 3 consists of the assembly of a plurality of strut modules in the vertical direction. That is, the strut part 3 is formed by assembling the plurality of strut modules 30 in a state that can be disassembled with each other.
  • the uppermost strut module and the lowermost strut module located on the vertical and vertical sides of the strut part 3 are assembled with the payload part 2 and the sensor part 1 in a state where they can be disassembled.
  • the strut module 30 is composed of a pipe-like shell cell 31, and both ends in the longitudinal direction of the shell shell 31 have a configuration in which they are assembled by screwing with neighboring strut modules.
  • the upper end of the outer shell cell 31 is thus inserted into the outer shell of the strut module located above and screwed together, and the lower end of the outer shell cell 31 is positioned below the shell.
  • the outer shell of the strut module is inserted and screwed in.
  • the upper end of the outer shell 31 is formed with a threaded portion on its inner surface, and the threaded portion may be formed on the outer surface of the lower end.
  • the strut module 30 is screwed with a neighboring strut module, so that the strut module 3 is assembled to be disassembled with each other.
  • the strut module 30 is disposed between the sensor unit 1 and the payload unit 2, for smooth connection of various signal lines, power lines, etc., between the sensor unit 1 and the payload unit 2,
  • the inside of the strut module 30 may be provided with a slip ring for preventing the twisting of various lines (signal lines, power lines, etc.) despite the rotation of the strut module 30.
  • the screw coupling described above can also be used for assembling the upper strut module with the payload portion 2, and the screw coupling can also be used for assembling the lower strut module with the sensor portion 1 in a disassembled state. Can be.
  • the cone injector 100 has a configuration in which the plurality of strut modules 30 are assembled with each other in the vertical direction to form the strut portion 3. Since there is less risk of buckling or breaking when penetrating the seabed, as shown in FIG. 2, the strut portion 3 having a long vertical length as a whole using a plurality of strut modules 30 having a relatively thin thickness and a long vertical length To configure the cone injector 100 to have it can be used for seabed ground exploration in the field.
  • a plurality of strut modules 30 having a thick thickness and a relatively short vertical length are assembled to the strut.
  • the part 3 is formed, and the payload part 2 and the sensor part 1 are assembled to the upper and lower ends of the strut part 3, respectively, and can be used for seabed ground exploration.
  • the strut part 3 is formed by easy disassembly and assembly of the strut module 30, according to the sea floor exploration site situation, whether to configure a thin strut and a long vertical length strut part or have a thick thickness.
  • the vertical length can be used to determine whether to construct a short strut.
  • the connection adapter 32 is provided at a position where the thickness or vertical length changes.
  • the screw coupling described above may be used.
  • the cone injector 100 by assembling a plurality of strut module 30 to form a strut portion 3, according to the thickness of the strut portion 3 in accordance with the softness of the sea bed to be inserted
  • the length can be made to an optimum state according to the needs, and thus the cone injector 100 can minimize the risk of deformation such as buckling and breaking during the penetration of the cone intruder into the seabed, and effectively It is possible to inject the dressing 100 into the seabed, and thus, there is an advantage in that richer and more useful seabed information can be obtained.

Abstract

The present invention relates to a cone penetrometer (100), which freely falls in a perpendicularly erected state and penetrates a seabed ground so as to collect information of the seabed ground, comprising: a sensor part (1), which is provided at the lower end thereof and has a sensor embedded therein; a payload part (2), which is provided at the upper end thereof, and receives a signal and records the same; and a strut part (3) formed between the sensor part (1) and the payload part (2), wherein the strut part (3) has a structure, in which a plurality of strut modules (30) are continuously arranged and assembled in a disassemblable state, such that the strut part (3) can be formed through replacement with the strut module (30) having a thickness and a perpendicular length selected to be suitable for the softness of the seabed ground for which the cone penetrometer (100) is to penetrate.

Description

스트럿부 가변형 자유낙하 방식의 콘 관입기Strut part free drop cone intruder
본 발명은 지반의 정보를 취득하기 위한 콘 관입기에 관한 것으로서, 구체적으로는 지반의 종류에 따라 스트럿부의 두께와 길이를 변경하여 사용할 수 있도록 구성한 자유낙하 방식의 콘 관입기에 관한 것이다. The present invention relates to a cone injector for acquiring ground information, and more particularly, to a free-falling cone injector configured to be used by changing the thickness and length of a strut part according to the type of ground.
[국가지원 연구개발에 대한 설명][Description of National Support R & D]
본 연구는 한국해양과학기술원의 주관하에 해양수산부 한국해양과학기술진흥원(해양장비개발 및 인프라 구축, 트랙 기반 해저 중작업용 로봇 기술개발, 과제고유번호:1525005714)의 지원에 의하여 이루어진 것이다.This study was supported by the Ministry of Maritime Affairs and Fisheries, Korea Maritime Science and Technology Agency (Development of Marine Equipment and Infrastructure, Development of Track-based Submarine Heavy Work Robot Technology, Task Number: 1525005714).
연안 및 심해의 해양개발에 있어서는 지반 탐사를 통해서 해저 지반의 특성을 파악하는 것이 중요하다. 콘 관입 시험(cone penetration test)를 이용한 지반 탐사에서는, 하단이 원뿔모양으로 이루어진 콘 관입기(cone penetrometer)를 수중에 투입하여, 콘 관입기가 해저 지반의 지면에 닿은 후 해저 지반으로 관입되면서 마찰력, 압력 등을 계측하며, 이렇게 계측된 데이터를 토대로 해저 지반의 특성을 파악하게 된다. 대한민국 공개특허공보 제10-2010-0097428호에는 종래 기술에 의한 콘 관입기의 일예가 개시되어 있다. In coastal and deep sea marine development, it is important to understand the characteristics of subsea soils through ground exploration. In the ground exploration using the cone penetration test, a cone penetrometer having a conical shape at the bottom is placed in the water, and the cone injector penetrates the ground of the seabed and then enters the seabed. Pressure, etc. are measured, and based on the measured data, the characteristics of the subsurface ground are identified. Korean Unexamined Patent Publication No. 10-2010-0097428 discloses an example of a cone injector according to the prior art.
해저 지반은 다양한 환경을 가지고 있다. 어떤 해저 지반은 매우 무른지만 또다른 해저 지반의 경우에는 매우 단단할 수 있다. 또한 어떤 해저 지반은 지중으로 관입되어 가면서 지반의 단단한 정도가 변화될 수도 있다. Subsea soils have a variety of environments. Some subsurfaces are very soft, but for others it can be very hard. In addition, some seabeds may be introduced into the soil, which may change the degree of solidity.
종래의 콘 관입기는 이러한 해저 지반의 무르기 정도가 상이하다는 점을 전혀 고려하지 않은 구성을 가지고 있는 바, 해저 지반의 종류에 맞추어서 최적의 상태로 콘 관입시험을 수행하는데에는 한계가 있다. Conventional cone intruder has a configuration that does not take into account that the different degree of softness of the seabed ground, there is a limit to perform the cone penetration test in an optimal state according to the type of seabed ground.
본 발명은 위와 같은 종래 기술의 한계를 극복하기 위하여 개발된 것으로서, 콘 관입기의 센서부와 페이로드(payload)부 사이에 존재하는 스트럿(strut)부를 해저 지반의 무르기 정도에 맞추어서 변형시킬 수 있는 구성을 가지는 콘 관입기를 제공하는 것을 목적으로 한다.The present invention was developed to overcome the limitations of the prior art as described above, and the strut portion existing between the sensor portion and the payload portion of the cone intruder can be modified to fit the degree of softening of the seabed. It is an object to provide a cone injector having a configuration.
위와 같은 과제를 달성하기 위하여 본 발명에서는, 연직하게 세워진 상태에서 자유낙하되어 해저 지반에 관입되면서, 해저 지반의 정보를 입수하는 콘 관입기로서, 하단에는 센서가 내장되어 있는 센서부가 구비되고, 상단에는 신호를 수신하여 기록하는 페이로드부가 구비되어 있으며, 센서부와 페이로드부의 사이에는 스트럿부가 형성되어 있는데; 스트럿부는, 복수개의 스트럿 모듈이 분해가능한 상태로 연속 배치되어 조립되어 있는 구조를 가지고 있어서; 콘 관입기가 관입될 해저 지반의 무르기에 맞추어서 선전된 굵기와 연직길이를 가지는 스트럿 모듈로 교체하여 스트럿부를 형성할 수 있는 것을 특징으로 하는 콘 관입기가 제공된다. In order to achieve the above object, in the present invention, while falling vertically and freely intruded into the seabed, as a cone intruder to obtain information of the seabed, the bottom is provided with a sensor unit with a sensor built-in, Has a payload section for receiving and recording signals, and a strut section is formed between the sensor section and the payload section; The strut portion has a structure in which a plurality of strut modules are continuously arranged and assembled in a disassembled state; A cone intruder is provided, which can be formed by replacing the strut part with a strut module having a thickness and vertical length promoted in accordance with the softness of the sea bed to be inserted.
이러한 본 발명의 콘 관입기에서, 스트럿부를 이루는 복수개의 스트럿 모듈은, 해저 지반 방향으로의 끝단으로 가면서 두께는 작아지고, 연직길이는 길어지는 형상을 가지고 있어서, 해저 지반 방향으로의 끝단으로 가면서 스트럿부의 두께가 단계적으로 작아지며; 스트럿 모듈의 두께와 연직길이가 변화되는 위치에는 연결어댑터가 구비될 수 있다. In the cone injector of the present invention, the plurality of strut modules constituting the strut portion has a shape in which the thickness becomes smaller and the vertical length becomes longer as it goes to the end in the seabed ground direction, so that the strut goes to the end in the seabed ground direction. The thickness of the part becomes smaller step by step; A connection adapter may be provided at a position where the thickness and vertical length of the strut module are changed.
본 발명에 따른 콘 관입기는, 복수개의 스트럿 모듈 조립에 의하여 스트럿부가 형성하므로, 관입될 해저 지반의 무르기에 맞추어서 스트럿부의 굵기와 길이를 필요에 맞추어 최적의 상태로 만들 수 있으며, 그에 따라 콘 관입기가 해저 지반에 관입되는 과정에서 콘 관입기에 좌굴, 파단 등의 변형이 발생할 위험을 최소화시킬 수 있고, 원하는 심도로 효율적으로 콘 관입기를 해저 지반에 관입시킬 수 있게 되어, 더욱 풍부하고 유용한 해저 지반 정보를 취득할 수 있게 되는 장점이 있다. Cone indenter according to the present invention, since the strut portion is formed by assembling a plurality of strut modules, the thickness and length of the strut portion can be made to the optimum state according to the softness of the seabed to be inserted, accordingly, It is possible to minimize the risk of buckling and breaking of the cone intruder during penetration into the seabed, and to effectively inject the cone intruder into the seabed to the desired depth, thereby providing more rich and useful seabed information. It has the advantage of being able to be acquired.
도 1은 본 발명에 따른 콘 관입기를 보여주는 개략적인 측면도이다. 1 is a schematic side view showing a cone intruder according to the present invention.
도 2 내지 도 4는 각각 본 발명에 따른 콘 관입기의 다양한 실시예를 보여주는 개략적인 측면도이다. 2 to 4 are schematic side views showing various embodiments of cone injectors, respectively, according to the present invention.
도 5는 본 발명에 따른 콘 관입기를 분해된 상태로 보여주는 개략적인 측면도이다. 5 is a schematic side view showing the cone intruder in an exploded state according to the present invention.
이하, 본 발명의 바람직한 실시예를 첨부한 도면을 참조하여 설명한다. 본 발명은 도면에 도시된 실시예를 참고로 설명되었으나 이는 하나의 실시예로서 설명되는 것이며, 이것에 의해 본 발명의 기술적 사상과 그 핵심 구성 및 작용이 제한되지 않는다. Hereinafter, with reference to the accompanying drawings, preferred embodiments of the present invention will be described. Although the present invention has been described with reference to the embodiments shown in the drawings, this is described as one embodiment, whereby the technical spirit of the present invention and its core configuration and operation are not limited.
도 1에는 본 발명에 따른 콘 관입기를 보여주는 개략적인 측면도가 도시되어 있는데, 본 발명에 따른 콘 관입기(100)는 센서부(1), 페이로드(payload)부(2) 및 스터럿(strut)부(3)로 구성된다. 센서부(1)는 콘 관입기(100)의 일측 단부에 구비되며, 페이로드부(2)는 콘 관입기(100)의 타측 단부에 구비되고, 스트럿부(3)는 센서부(1)와 페이로드부(2) 사이에 구비된다. 이러한 콘 관입기(100)는, 센서부(1)가 아래에 있고 페이로드부(2)가 위쪽에 위치하도록 연직하게 세워진 상태에서 자유낙하되어 해저 지반에 관입되면서, 해저 지반에 대한 각종 데이터(정보)를 입수하게 된다. Figure 1 is a schematic side view showing a cone injector according to the present invention, the cone injector 100 according to the present invention is a sensor unit 1, payload (2) and a strut (strut) It consists of a part (3). The sensor unit 1 is provided at one end of the cone intruder 100, the payload unit 2 is provided at the other end of the cone intruder 100, and the strut part 3 is provided at the sensor unit 1. And between the payload section 2. The cone injector 100 is freely dropped in a state in which the sensor unit 1 is below and the payload unit 2 is positioned vertically so as to penetrate into the seabed. Information).
본 발명의 콘 관입기(100)는, 센서부(1)는 해저 지반을 향하는 방향이 뾰족한 원뿔형상을 가지는 부재로서, 그 내부에는 각종 센서들이 내장되어 있다. 페이로드부(2)는 센서부(1) 내에 내장된 센서들로부터의 신호를 수신하여 기록하는 부재인데, 그 내부에는 필요에 따라 동력원(배터리)가 내장될 수도 있다. 스트럿부(3)는 센서부(1)와 페이로드부(2)를 서로 이어주는 부분이다. In the cone injector 100 of the present invention, the sensor unit 1 is a member having a conical shape with a sharp point in the direction toward the sea bed, and various sensors are embedded therein. The payload unit 2 is a member that receives and records signals from the sensors embedded in the sensor unit 1, and a power source (battery) may be embedded therein as necessary. The strut portion 3 is a portion connecting the sensor portion 1 and the payload portion 2 to each other.
콘 관입기(100)가 관입될 해저 지반은 그 무른 정도가 시험 위치에 따라 상이할 수 있는데, 콘 관입기(100)가 해저 지반에 효과적으로 관입될 수 있도록 하기 위해서는, 해저 지반의 무른 정도에 따라서 스트럿부의 굵기(두께) 및 연직길이를 변화시키는 것이 바람직하다. 해저 지반의 깊은 곳까지 정보를 취득하려면 센서부(1)가 해저 지반에 깊이 관입되는 것이 바람직하며, 이를 위해서는 스트럿부(3)의 연직방향 길이는 긴 것이 좋다. 반면에, 스트럿부(3)의 연직방향 길이가 길수록, 콘 관입기(100)가 해저 지반에 관입되는 과정에서 좌굴, 파단 등의 변형이 발생할 위험이 커진다. The seabed ground to which the cone intruder 100 is to be penetrated may vary depending on the test location. In order to enable the cone intruder 100 to effectively penetrate into the seabed ground, according to the softness of the seabed ground, It is preferable to change the thickness (thickness) and the vertical length of the strut portion. In order to acquire information up to the depth of the seabed, it is preferable that the sensor part 1 is deeply penetrated into the seabed. For this purpose, the length of the strut portion 3 is preferably long. On the other hand, the longer the vertical length of the strut portion 3, the greater the risk that deformation such as buckling, fracture, etc. occurs in the process of injecting the cone injector 100 into the seabed.
도 2 내지 도 4에는 각각 해저 지반의 무른 정도에 맞추어서 스트럿부의 굵기와 연직길이를 변화시킨 본 발명에 따른 콘 관입기(100)의 개략적인 형상이 도시되어 있다. 도 2는 해저 지반이 무른 경우에 적합한 콘 관입기(100)이고, 도 3은 해저 지반이 단단한 경우에 적합한 콘 관입기(100)이며, 도 4는 도 2와 도 3에 도시된 것을 조합한 구성의 콘 관입기(100)이다. 2 to 4 show a schematic shape of the cone indenter 100 according to the present invention, in which the thickness and the vertical length of the strut portion are respectively changed according to the softness of the sea bed. FIG. 2 is a cone injector 100 suitable when the sea bed is soft, FIG. 3 is a cone intruder 100 suitable when the sea bed is hard, and FIG. 4 is a combination of those shown in FIGS. It is the cone injector 100 of a structure.
해저 지반이 무른 경우에는, 콘 관입기(100)가 쉽게 해저 지반에 관입될 수 있고 좌굴 등의 변형 가능성이 적으므로, 도 2에 도시된 것처럼 스트럿부(3)는 연직방향으로 필요한 만큼 긴 길이를 가지면서도 비교적 작은 두께를 가질 수 있다. 그러나 해저 지반이 단단한 경우에는, 좌굴이나 파단이 발생할 위험이 크므로, 도 3에 도시된 것처럼 스터럿부(3)의 두께는 증가되어야 하고, 연직길이는 상대적으로 줄어드는 것이 바람직하다. 한편, 필요에 따라서는 도 4에 도시된 것처럼 스트럿부(3)의 두께가 연직하향으로 가면서 단계적으로(계단식으로) 점차 줄어드는 형태로 구성될 수도 있다. When the sea bed is soft, the cone injector 100 can easily penetrate the sea bed and there is less possibility of deformation such as buckling, so that the strut portion 3 is as long as necessary in the vertical direction as shown in FIG. It may have a relatively small thickness. However, when the sea bed is hard, there is a high risk of buckling or breaking, so that the thickness of the sturt portion 3 should be increased as shown in Fig. 3, and the vertical length is preferably reduced. On the other hand, if necessary, as shown in FIG. 4, the thickness of the strut portion 3 may be configured to gradually decrease in steps (stepwise) while going vertically downward.
본 발명에 따른 콘 관입기(100)는, 위의 도 2 내지 도 4에 도시된 것처럼, 해저 지반의 무른 정도에 맞추어서, 스트럿부(3)이 두께와 연직길이를 변화시킬 수 있는 구조를 가진다. Cone injector 100 according to the present invention, as shown in Figures 2 to 4 above, has a structure in which the strut portion 3 can change the thickness and vertical length in accordance with the softness of the seabed ground. .
도 5에는 본 발명에 따른 콘 관입기(100)를 분해된 상태로 보여주는 개략적인 측면도가 도시되어 있다. 도면에 도시된 것처럼, 본 발명에 따른 콘 관입기(100)에서, 스트럿부(3)는 연직방향으로 복수개의 스트럿 모듈의 조립으로 이루어진다. 즉, 복수개의 스트럿 모듈(30)을 서로 분해가능한 상태로 조립하여 스트럿부(3)를 형성하는 것이다. 물론 스트럿부(3)의 연직 상,하단에 위치하는 최상측 스트럿 모듈과 최하측 스트럿 모듈은 각각 페이로드부(2) 및 센서부(1)와 분해가능한 상태로 조립된다.5 is a schematic side view showing the cone intruder 100 in an exploded state in accordance with the present invention. As shown in the figure, in the cone injector 100 according to the invention, the strut part 3 consists of the assembly of a plurality of strut modules in the vertical direction. That is, the strut part 3 is formed by assembling the plurality of strut modules 30 in a state that can be disassembled with each other. Of course, the uppermost strut module and the lowermost strut module located on the vertical and vertical sides of the strut part 3 are assembled with the payload part 2 and the sensor part 1 in a state where they can be disassembled.
도면에 도시된 것처럼 스트럿 모듈(30)은 파이프 형상의 외피셀(31)로 이루어지는데, 외피셀(31)의 길이방향 양단은 각각 이웃하는 스트럿 모듈과 나사결합에 의해 분해 조립되는 구성을 가진다. 도면에 도시된 실시예의 경우, 따라서 외피셀(31)의 상단은, 그 위쪽에 위치하는 스트럿 모듈의 외피셀 내부에 삽입되어 나사결합되고, 외피셀(31)의 하단은, 그 아래쪽에 위치하는 스트럿 모듈의 외피셀이 내부로 삽입되어 나사결합된다. 물론 이와 반대로 외피셀(31)의 상단에서는 그 내면에 나사부가 형성되고, 하단의 외면에 나사부가 형성될 수도 있다. 이와 같이 본 발명에서 스트럿 모듈(30)은 이웃하는 스트럿 모듈과 나사결합됨으로써, 서로 분해가능하게 조립되어 스트럿부(3)를 형성하게 된다. As shown in the figure, the strut module 30 is composed of a pipe-like shell cell 31, and both ends in the longitudinal direction of the shell shell 31 have a configuration in which they are assembled by screwing with neighboring strut modules. In the case of the embodiment shown in the drawing, the upper end of the outer shell cell 31 is thus inserted into the outer shell of the strut module located above and screwed together, and the lower end of the outer shell cell 31 is positioned below the shell. The outer shell of the strut module is inserted and screwed in. Of course, on the contrary, the upper end of the outer shell 31 is formed with a threaded portion on its inner surface, and the threaded portion may be formed on the outer surface of the lower end. As described above, the strut module 30 is screwed with a neighboring strut module, so that the strut module 3 is assembled to be disassembled with each other.
스트럿 모듈(30)은 센서부(1)와 페이로드부(2) 사이에 배치되므로, 센서부(1)와 페이로드부(2) 사이의 각종 신호선, 전력선 등의 원활한 연결을 위하여, 각각의 스트럿 모듈(30)의 내부에는 스트럿 모듈(30)의 회전에도 불구하고 각종 선(신호선, 전력선 등)의 꼬임을 방지하는 슬립링이 구비될 수 있다. Since the strut module 30 is disposed between the sensor unit 1 and the payload unit 2, for smooth connection of various signal lines, power lines, etc., between the sensor unit 1 and the payload unit 2, The inside of the strut module 30 may be provided with a slip ring for preventing the twisting of various lines (signal lines, power lines, etc.) despite the rotation of the strut module 30.
최상측 스트럿 모듈을 페이로드부(2)와 분해가능한 상태로 조립함에 있어서도, 위에서 설명한 나사결합을 이용할 수 있으며, 최하측 스트럿 모듈을 센서부(1)와 분해가능한 상태로 조립할 때에도 나사결합을 이용할 수 있다.The screw coupling described above can also be used for assembling the upper strut module with the payload portion 2, and the screw coupling can also be used for assembling the lower strut module with the sensor portion 1 in a disassembled state. Can be.
이와 같이 본 발명에 따른 콘 관입기(100)는, 복수개의 스트럿 모듈(30)이 연직방향으로 서로 조립되어 스트럿부(3)를 형성하는 구성을 가지고 있으므로, 예를 들어 해저 지반이 무른 경우에는 해저 지반에 관입될 때 좌굴이나 파단이 발생할 위험이 적으므로 도 2에 도시된 것처럼, 두께가 비교적 얇고 연직길이가 긴 복수개의 스트럿 모듈(30)을 이용하여 전체적으로 연직길이가 긴 스트럿부(3)를 가지도록 콘 관입기(100)를 구성하여 현장에서 해저 지반 탐사에 이용할 수 있다. As described above, the cone injector 100 according to the present invention has a configuration in which the plurality of strut modules 30 are assembled with each other in the vertical direction to form the strut portion 3. Since there is less risk of buckling or breaking when penetrating the seabed, as shown in FIG. 2, the strut portion 3 having a long vertical length as a whole using a plurality of strut modules 30 having a relatively thin thickness and a long vertical length To configure the cone injector 100 to have it can be used for seabed ground exploration in the field.
만일 해저 지반이 단단한 경우, 해저 지반에 관입될 때 좌굴이나 파단이 발생할 위험이 커지므로, 도 3에 도시된 것처럼 굵은 두께를 가지며 비교적 연직길이가 짧은 복수개의 스트럿 모듈(30)을 조립 결합하여 스트럿부(3)를 형성하고, 스트럿부(3)의 상,하단에 각각 페이로드부(2)와 센서부(1)를 조립결합하여 해저 지반 탐사에 이용할 수 있다. 본 발명에서는 스트럿 모듈(30)의 손쉬운 분해 조립에 의해 스트럿부(3)를 형성하게 되므로, 해저 지반 탐사 현장 상황에 맞추어서, 두께가 얇고 연직길이가 긴 스트럿부를 구성할 것인지, 아니면 굵은 두께를 가지며 연직길이가 짧은 스트럿부를 구성할 것인지를 결정하여 사용할 수 있다. If the sea bed is hard, the risk of buckling or breaking occurs when penetrated into the sea bed is increased. Thus, as shown in FIG. 3, a plurality of strut modules 30 having a thick thickness and a relatively short vertical length are assembled to the strut. The part 3 is formed, and the payload part 2 and the sensor part 1 are assembled to the upper and lower ends of the strut part 3, respectively, and can be used for seabed ground exploration. In the present invention, since the strut part 3 is formed by easy disassembly and assembly of the strut module 30, according to the sea floor exploration site situation, whether to configure a thin strut and a long vertical length strut part or have a thick thickness. The vertical length can be used to determine whether to construct a short strut.
한편, 도 4에 도시된 것처럼, 해저 지반 방향으로의 끝단으로 가면서 스트럿부의 두께가 단계적으로 작아지도록 구성할 수도 있다. 이 때, 해저 지반 방향으로의 끝단으로 가면서 스트럿부의 길이는 단계적으로 길어질 수도 있다. 이와 같이 해저 지반 방향으로의 끝단으로 가면서 스트럿부의 두께 또는 연직길이가 변화되는 경우, 두께 또는 연직길이가 변하는 위치에는 연결어댑터(32)가 구비된다. 연결어댑터(32)의 양측에 각각 스트럿 모듈(30)이 조립 결합되는 방식으로는 앞서 설명한 나사결합을 이용할 수 있다. On the other hand, as shown in Figure 4, it may be configured so that the thickness of the strut portion step by step toward the end in the seabed ground direction. At this time, the length of the strut portion may be lengthened step by step toward the end in the seabed ground direction. As such, when the thickness or vertical length of the strut portion changes while going to the end in the seabed ground direction, the connection adapter 32 is provided at a position where the thickness or vertical length changes. As the way in which the strut module 30 is assembled on both sides of the connection adapter 32, the screw coupling described above may be used.
이와 같이, 본 발명에 따른 콘 관입기(100)는, 복수개의 스트럿 모듈(30)을 조립하여 스트럿부(3)를 형성하므로, 관입될 해저 지반의 무르기에 맞추어서 스트럿부(3)의 굵기와 길이를 필요에 맞추어 최적의 상태로 만들 수 있으며, 그에 따라 콘 관입기(100)가 해저 지반에 관입되는 과정에서 좌굴, 파단 등의 변형발생 위험을 최소화시킬 수 있고, 원하는 심도로 효율적으로 콘 관입기(100)를 해저 지반에 관입시킬 수 있게 되어, 더욱 풍부하고 유용한 해저 지반 정보를 취득할 수 있게 되는 장점이 있다. In this way, the cone injector 100 according to the present invention, by assembling a plurality of strut module 30 to form a strut portion 3, according to the thickness of the strut portion 3 in accordance with the softness of the sea bed to be inserted The length can be made to an optimum state according to the needs, and thus the cone injector 100 can minimize the risk of deformation such as buckling and breaking during the penetration of the cone intruder into the seabed, and effectively It is possible to inject the dressing 100 into the seabed, and thus, there is an advantage in that richer and more useful seabed information can be obtained.

Claims (3)

  1. 연직하게 세워진 상태에서 자유낙하되어 해저 지반에 관입되면서, 해저 지반의 정보를 입수하는 콘 관입기(100)로서, As a cone injector 100 that freely falls in an upright position and intrudes into the seabed, the information of the seabed is obtained.
    하단에는 센서가 내장되어 있는 센서부(1)가 구비되고, 상단에는 신호를 수신하여 기록하는 페이로드부(2)가 구비되어 있으며, 센서부(1)와 페이로드부(2)의 사이에는 스트럿부(3)가 형성되어 있는데; The lower end is provided with a sensor unit 1 with a sensor therein, and the upper end is provided with a payload unit 2 for receiving and recording a signal, and between the sensor unit 1 and the payload unit 2. A strut portion 3 is formed;
    스트럿부(3)는, 복수개의 스트럿 모듈(30)이 분해가능한 상태로 연속 배치되어 조립되어 있는 구조를 가지고 있어서; The strut portion 3 has a structure in which a plurality of strut modules 30 are continuously arranged and assembled in a decomposable state;
    콘 관입기(100)가 관입될 해저 지반의 무르기에 맞추어서 선전된 굵기와 연직길이를 가지는 스트럿 모듈(30)로 교체하여 스트럿부(3)를 형성할 수 있는 것을 특징으로 하는 콘 관입기. Cone injector 100 is a cone injector, characterized in that the strut portion (3) can be formed by replacing the strut module (30) having a thickness and vertical length promoted in accordance with the softness of the seabed to be inserted.
  2. 제1항에 있어서, The method of claim 1,
    스트럿부(3)를 이루는 복수개의 스트럿 모듈(30)은, 해저 지반 방향으로의 끝단으로 가면서 두께는 작아지고, 연직길이는 길어지는 형상을 가지고 있어서, 해저 지반 방향으로의 끝단으로 가면서 스트럿부(3)의 두께가 단계적으로 작아지며; The plurality of strut modules 30 constituting the strut portion 3 has a shape in which the thickness becomes smaller and the vertical length becomes longer as it goes to the end in the seabed ground direction, and thus the strut portion (goes to the end in the seabed ground direction). The thickness of 3) decreases step by step;
    스트럿 모듈(30)의 두께와 연직길이가 변화되는 위치에는 연결어댑터(32)가 구비되어 있는 것을 특징으로 하는 콘 관입기. Cone indenter, characterized in that the connection adapter 32 is provided at the position where the thickness and vertical length of the strut module 30 is changed.
  3. 제2항에 있어서, The method of claim 2,
    스트럿 모듈(30)은, 파이프 형상의 외피셀(31)로 이루어지 것을 특징으로 하는 콘 관입기. The strut module (30) is a cone injector, characterized in that made of a pipe-like outer shell (31).
PCT/KR2017/002149 2017-02-27 2017-02-27 Free-fall type cone penetrometer having variable strut part WO2018155749A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/KR2017/002149 WO2018155749A1 (en) 2017-02-27 2017-02-27 Free-fall type cone penetrometer having variable strut part

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/KR2017/002149 WO2018155749A1 (en) 2017-02-27 2017-02-27 Free-fall type cone penetrometer having variable strut part

Publications (1)

Publication Number Publication Date
WO2018155749A1 true WO2018155749A1 (en) 2018-08-30

Family

ID=63253233

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2017/002149 WO2018155749A1 (en) 2017-02-27 2017-02-27 Free-fall type cone penetrometer having variable strut part

Country Status (1)

Country Link
WO (1) WO2018155749A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20220016722A (en) * 2020-08-03 2022-02-10 한국해양과학기술원 Free fall type penetration tester for underwater

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5209129A (en) * 1991-07-05 1993-05-11 Iowa State University Research Foundation, Inc. Subsurface sampler
KR20100113010A (en) * 2009-04-10 2010-10-20 고려대학교 산학협력단 Cone penetrometer for measuring impedance of ground
US20110242530A1 (en) * 2007-11-09 2011-10-06 The Regents Of The University Of California In-situ soil nitrate ion concentration sensor
KR20140128720A (en) * 2013-04-29 2014-11-06 고려대학교 산학협력단 Measuring system using Dynamic Cone Penetrometer and method for calibrating Transfer Energy thereof
US20160209309A1 (en) * 2013-09-03 2016-07-21 Dotocean Nv Sediment sounding pole and handheld density profiler

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5209129A (en) * 1991-07-05 1993-05-11 Iowa State University Research Foundation, Inc. Subsurface sampler
US20110242530A1 (en) * 2007-11-09 2011-10-06 The Regents Of The University Of California In-situ soil nitrate ion concentration sensor
KR20100113010A (en) * 2009-04-10 2010-10-20 고려대학교 산학협력단 Cone penetrometer for measuring impedance of ground
KR20140128720A (en) * 2013-04-29 2014-11-06 고려대학교 산학협력단 Measuring system using Dynamic Cone Penetrometer and method for calibrating Transfer Energy thereof
US20160209309A1 (en) * 2013-09-03 2016-07-21 Dotocean Nv Sediment sounding pole and handheld density profiler

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20220016722A (en) * 2020-08-03 2022-02-10 한국해양과학기술원 Free fall type penetration tester for underwater
KR102446377B1 (en) * 2020-08-03 2022-09-21 한국해양과학기술원 Free fall type penetration tester for underwater

Similar Documents

Publication Publication Date Title
CN109579801B (en) Multi-stage injection type submarine sand wave in-situ observation device and method based on resistivity probe rod
JP6405032B2 (en) CPT combined geochemical microelectrode probe system
CN109579802B (en) Multistage injection type submarine sand wave in-situ observation device and method
CN112747793B (en) Mine surface subsidence rock movement observation device
CN110579307A (en) Shallow sea type submarine sediment pressure observation device and method
US20100024535A1 (en) Searching Method for Acquiring Ground Information
Chow et al. Free-falling penetrometers: a laboratory investigation in clay
JPH05501451A (en) earthquake cable
CN211013345U (en) Shallow sea type submarine sediment pressure observation device
WO2018155749A1 (en) Free-fall type cone penetrometer having variable strut part
CN210152696U (en) Constant-resistance anchor cable
CN107747306A (en) A kind of cross with Yu Haiyang ultra-soft soil in-situ test flows feeler inspection probe entirely
US5128898A (en) Method and apparatus for detecting orientation of downhole geophones
CN109946008A (en) A kind of very three-dimensional stress of primary rock overcoring method measuring device and measuring method of spherical shape backpack body
US10962460B2 (en) Free fall ball penetrometer with a booster
CN115615534B (en) Liquid-filled probe rod and measuring device for measuring in-situ sound velocity of submarine sediment
CN104776818A (en) Ultrasonic measurement instrument for pile bottom sediment thickness
JP2020056728A (en) Shoe device, water bottom ground penetration testing device, and water bottom ground penetration testing method
CN108225431A (en) For the multi-parameter sensor and method of mining Subsidence Area, slip mass to be observed continuously
CN210427219U (en) Constant-resistance anchor cable experiment system
CN107607232B (en) A kind of method for continuous measuring and system of earth's crust rock plane stress
CN111650274A (en) Test device for simulating and evaluating coral reef sand accelerated cementation
JP3768997B2 (en) Dynamic penetration test rod
CN113834392A (en) Electronic detonator underwater explosion power testing device based on water shock wave signal
CN111335858B (en) Steam cavity monitoring device

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 17898242

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 26/11/2019)

122 Ep: pct application non-entry in european phase

Ref document number: 17898242

Country of ref document: EP

Kind code of ref document: A1