KR102149740B1 - Apparatus for preventing falling rock and method constructing the same - Google Patents

Apparatus for preventing falling rock and method constructing the same Download PDF

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KR102149740B1
KR102149740B1 KR1020200008042A KR20200008042A KR102149740B1 KR 102149740 B1 KR102149740 B1 KR 102149740B1 KR 1020200008042 A KR1020200008042 A KR 1020200008042A KR 20200008042 A KR20200008042 A KR 20200008042A KR 102149740 B1 KR102149740 B1 KR 102149740B1
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South Korea
Prior art keywords
rope
anchor
spring fixing
unit
wire
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KR1020200008042A
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Korean (ko)
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김철환
김중석
김중영
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주식회사 스팅이앤씨
김철환
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    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
    • E01F7/00—Devices affording protection against snow, sand drifts, side-wind effects, snowslides, avalanches or falling rocks; Anti-dazzle arrangements ; Sight-screens for roads, e.g. to mask accident site
    • E01F7/04—Devices affording protection against snowslides, avalanches or falling rocks, e.g. avalanche preventing structures, galleries
    • E01F7/045—Devices specially adapted for protecting against falling rocks, e.g. galleries, nets, rock traps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
    • F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
    • F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
    • F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
    • F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16G—BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR
    • F16G11/00—Means for fastening cables or ropes to one another or to other objects; Caps or sleeves for fixing on cables or ropes
    • F16G11/04—Means for fastening cables or ropes to one another or to other objects; Caps or sleeves for fixing on cables or ropes with wedging action, e.g. friction clamps

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)

Abstract

The present invention relates to an apparatus for preventing rocks from falling and a construction method thereof. According to the present invention, the apparatus for preventing rocks from falling comprises: a large number of sting earth anchors put in a slope with an upper end unit exposed; a net for preventing rocks from falling, which covers the slope; wire connection units engaged with an upper side of the sting earth anchors; and unit wire ropes whose both end units are respectively connected to two adjacent wire connection units to support the net for preventing rocks from falling. The wire connection units include: a spring fixing member engaged with the sting earth anchors and supported by the sting earth anchors to allow the upper end units of the sting earth anchors to penetrate; a multi-rope connection member placed to wrap around the spring fixing member, which have a plurality of tapered holes through which an end unit of the unit wire ropes penetrates; anchor cones respectively engaged with the tapered holes of the multi-rope connection member to fix an end unit of the unit wire ropes; a plurality of buffer springs connecting the spring fixing member to the multi-rope connection member; a pressurizing plate supporting and pressurizing an upper surface of the multi-rope connection member; and a pressurizing member engaged with an upper end unit of the sting earth anchors to pressurize the pressurizing plate. According to the present invention, the apparatus for preventing rocks from falling is able to support a slope of graded land with elastic force, to minimize the rocks falling, and to simplify the construction and make it more convenient.

Description

낙석방지장치 및 그 시공방법{APPARATUS FOR PREVENTING FALLING ROCK AND METHOD CONSTRUCTING THE SAME}Rockfall prevention device and its construction method {APPARATUS FOR PREVENTING FALLING ROCK AND METHOD CONSTRUCTING THE SAME}

본 발명은 낙석방지장치 및 그 시공방법에 관한 것이다.The present invention relates to a rockfall prevention device and a construction method thereof.

산에 도로나 철도가 신설될 때 평탄화 작업에 의해 절취 사면이 생성되며, 이러한 절취 사면에 돌이나 흙이 도로나 철도로 떨어지는 것을 방지하기 위하여 낙석방지장치가 설치된다.When a road or railroad is newly built in a mountain, a cut slope is created by the planarization work, and a rockfall prevention device is installed on the cut slope to prevent stones or soil from falling onto the road or railroad.

대한민국등록실용신안 제20-0335042호(2003. 12. 01. 공고일)(이하, 선행기술이라 함)에는 절개지 사면에 낙석방지망을 덮고 낙석방지망 위에 와이어로프를 가로와 세로로 다수개 설치하고 와이어로프의 교차 부분을 와이어고정장치로 고정시키는 낙석방지장치가 개시되어 있다.Republic of Korea Utility Model No. 20-0335042 (2003. 12. 01. Announcement date) (hereinafter referred to as prior art) covers rockfall prevention nets on the slopes of the incision site, and installs multiple wire ropes horizontally and vertically on the rockfall prevention net. There is disclosed a rockfall prevention device for fixing the intersection of the cross section with a wire fixing device.

그러나 이와 같은 선행기술은 낙석방지망 위로 와이어로프들을 가로와 세로로 다수 개 설치하고 와이어로프의 교차 부분을 와이어 고정장치로 고정하게 되므로 와이어로프들과 낙석방지망이 절개지 사면을 효과적으로 지지하지 못하게 되어 사면에서 낙석 발생을 효율적으로 방지하지 못하는 단점이 있다.문제점이 있다. 또한, 낙석방지망에 가로와 세로로 다수 개의 긴 와이어로프들을 배열하고 와이어로프의 교차 부분에 고정장치를 설치하게 되므로 작업이 복잡하고 불편하게 된다.However, this prior art installs a number of wire ropes horizontally and vertically above the rockfall prevention net and fixes the intersection of the wire ropes with a wire fixing device, so that the wire ropes and rockfall prevention nets do not effectively support the slope of the incision. There is a drawback of not effectively preventing the occurrence of rockfall. In addition, since a plurality of long wire ropes are arranged horizontally and vertically on the rockfall prevention net and a fixing device is installed at the intersection of the wire ropes, the work becomes complicated and inconvenient.

본 발명의 목적은 절개지 사면을 탄성력으로 지지하여 낙석이 발생되는 것을 최소화할 뿐만 아니라 시공 작업이 간단하고 편리하게 하는 낙석방지장치 및 그 시공방법을 제공하는 것이다.An object of the present invention is to provide a rockfall prevention device and a construction method thereof that not only minimizes the occurrence of rockfall by supporting the slope of an incision site with elastic force, but also makes construction work simple and convenient.

본 발명의 목적을 달성하기 위하여, 사면에 박혀 상단부가 노출되는 다수 개의 스팅어스앵커들; 상기 사면을 복개하는 낙석방지망; 상기 스팅어스앵커들의 각 상부에 결합되는 와이어연결유닛; 서로 인접하는 두 개의 상기 와이어연결유닛들에 양단부가 각각 연결되어 상기 낙석방지망을 지지하는 단위와이어로프들;을 포함하며, 상기 와이어연결유닛은, 상기 스팅어스앵커의 상단부가 관통하도록 스팅어스앵커에 결합되어 스팅어스앵커에 지지되는 스프링고정부재; 상기 스프링고정부재를 둘러싸도록 위치하며, 상기 단위와이어로프의 단부가 관통 삽입되는 복수 개의 테이퍼홀들이 구비되는 멀티로프연결부재; 상기 멀티로프연결부재의 테이퍼홀들에 각각 결합되어 상기 단위와이어로프의 단부를 고정하는 앵커콘; 상기 스프링고정부재와 멀티로프연결부재를 연결하는 복수 개 완충스프링들; 상기 멀티로프연결부재의 상면을 지지하여 가압하는 지압판; 상기 스팅어스앵커의 상단부에 결합되어 상기 지압판을 가압하는 가압부재를 포함하는 낙석방지장치가 제공된다.In order to achieve the object of the present invention, a plurality of stingers anchors are embedded in the slope and the upper end is exposed; A rockfall prevention net covering the slope; A wire connection unit coupled to the upper portions of the stingers anchors; Including; unit wire ropes having both ends connected to each of the two adjacent wire connection units to support the rockfall prevention net, wherein the wire connection unit is attached to the stinger anchor so that the upper end of the stinger anchor passes through. A spring fixing member that is coupled and supported by the stingers anchor; A multi-rope connection member positioned so as to surround the spring fixing member and having a plurality of tapered holes through which the end of the unit wire rope is inserted; Anchor cones respectively coupled to the tapered holes of the multi-rope connection member to fix the end of the unit wire rope; A plurality of buffer springs connecting the spring fixing member and the multi-rope connection member; An acupressure plate supporting and pressing the upper surface of the multi-rope connecting member; There is provided a rockfall prevention device including a pressing member coupled to the upper end of the stinger anchor to press the pressure plate.

상기 스프링고정부재는 균일한 두께를 갖는 환형링 형상의 환형링부와, 상기 환형링부의 외주면에 균일한 간격을 두고 돌출 형성되어 상기 완충스프링의 한쪽이 고정되는 스프링고정돌기들을 포함하는 것이 바람직하다.The spring fixing member preferably includes an annular ring portion having a uniform thickness and an annular ring portion having an annular ring shape, and spring fixing protrusions protruding from the outer circumferential surface of the annular ring portion at a uniform interval to fix one side of the buffer spring.

상기 멀티로프연결부재는 균일한 두께를 가지며 내부에 관통구멍이 구비되는 몸체부와, 상기 몸체부의 관통구멍 중심선을 기준으로 상기 몸체부에 방사상으로 각각 관통 형성되되, 원주 방향으로 균일한 간격을 두고 형성되는 상기 복수 개의 테이퍼홀들과, 상기 몸체부의 관통구멍 내주면에 균일한 간격을 두고 돌출 형성되어 상기 완충스프링의 다른 한쪽 단부가 고정되는 스프링고정돌기들을 포함하는 것이 바람직하다.The multi-rope connecting member has a uniform thickness and is formed through a body portion having a through hole therein and radially through each of the body portion with respect to the center line of the through hole of the body portion, with uniform intervals in the circumferential direction. It is preferable to include the plurality of tapered holes to be formed, and spring fixing protrusions which are formed to protrude from the inner circumferential surface of the through hole of the body at a uniform interval to fix the other end of the buffer spring.

상기 몸체부의 테이퍼홀들은 네 개이며, 서로 90도의 간격을 두고 위치하는 것이 바람직하다. There are four tapered holes in the body part, and it is preferable that they are positioned at an interval of 90 degrees from each other.

상기 앵커콘은 원추 형상의 콘부와, 상기 콘부의 중심선상에 관통 형성되는 삽입구멍을 포함하며, 상기 콘부는 세 개의 조각으로 구성되는 것이 바람직하다.The anchor cone includes a cone portion having a conical shape and an insertion hole formed through a center line of the cone portion, and the cone portion is preferably composed of three pieces.

상기 완충스프링들은 압축코일스프링이며, 네 개인 것이 바람직하다.The buffer springs are compression coil springs, and four are preferable.

또한, 사면에 격자 형태로 스팅어스앵커들을 설치하는 단계; 상기 사면을 낙석방지망으로 복개하는 단계; 상기 스팅어스앵커들에 와이어연결유닛을 결합하는 단계; 서로 인접하는 두 개의 상기 와이어연결유닛들에 단위와이어로프의 양단부를 연결하는 단계를 포함하는 낙석방지장치 시공방법이 제공된다.In addition, installing stingers anchors in a grid shape on the slope; Covering the slope with a rockfall prevention net; Coupling a wire connection unit to the stingers anchors; There is provided a rockfall prevention device construction method comprising the step of connecting both ends of the unit wire rope to two adjacent wire connection units.

본 발명은 단위와이어로프들이 낙석방지망을 지지하고 단위와이어로프들이 멀티로프연결부재에 연결되고 멀티로프연결부재가 스팅어스앵커와 연결된 완충스프링들에 의해 연결되어 단위와이어로프들이 낙석방지망을 탄성력을 가하면서 지지하게 되어 절개지 사면이 낙석방지망 및 단위와이어로프들에 의해 탄성력을 받으면서 지지되어 낙석이 발생되는 것을 최소화하게 되며, 낙석이 발생하게 되어 낙석이 낙석방지망에 충격을 가하더라도 탄성력에 의해 충격을 흡수하여 낙석방지망의 파손을 최소화하게 된다. In the present invention, the unit wire ropes support the rockfall prevention net, the unit wire ropes are connected to the multi-rope connecting member, and the multi-rope connecting member is connected by buffer springs connected to the stingers anchor, so that the unit wire ropes apply elasticity to the rockfall prevention net. The slope of the incision site is supported while receiving elastic force by the rockfall prevention net and unit wire ropes, thereby minimizing the occurrence of rockfall, and even if the rockfall impacts the rockfall prevention net, the shock is absorbed by the elastic force. This minimizes the damage of the rockfall prevention net.

또한, 본 발명은 스팅어스앵커들에 와이어연결유닛이 결합되고 서로 인접하는 두 개의 와이어연결유닛들을 단위와이어로프로들로 연결하게 되므로 시공이 간단하고 편리하게 된다.In addition, in the present invention, since the wire connection unit is coupled to the stingers anchors and two adjacent wire connection units are connected to each other by unit wires, construction is simple and convenient.

도 1은 본 발명에 따른 낙석방지장치의 일실시예를 도시한 정면도,
도 2는 본 발명에 따른 낙석방지장치의 일실시예를 도시한 측단면도,
도 3은 본 발명에 따른 낙석방지장치의 일실시예를 구성하는 와이어연결유닛의 일예를 도시한 평면도,
도 4는 본 발명에 따른 낙석방지장치의 일실시예를 구성하는 와이어연결유닛의 일예를 도시한 평면도,
도 5는 본 발명에 따른 낙석방지장치 시공방법의 일실시예를 도시한 순서도.1 is a front view showing an embodiment of a rockfall prevention device according to the present invention,
Figure 2 is a side cross-sectional view showing an embodiment of the rockfall prevention device according to the present invention,
3 is a plan view showing an example of a wire connection unit constituting an embodiment of the rockfall prevention device according to the present invention,
4 is a plan view showing an example of a wire connection unit constituting an embodiment of the rockfall prevention device according to the present invention,
Figure 5 is a flow chart showing an embodiment of a rockfall prevention device construction method according to the present invention.

이하, 본 발명에 따른 낙석방지장치 및 그 시공방법의 실시예를 첨부도면을 참조하여 설명한다.Hereinafter, an embodiment of a rockfall prevention apparatus and a construction method according to the present invention will be described with reference to the accompanying drawings.

도 1은 본 발명에 따른 낙석방지장치의 일실시예를 도시한 정면도이다. 도 2는 본 발명에 따른 낙석방지장치의 일실시예를 도시한 측단면도이다.1 is a front view showing an embodiment of a rockfall prevention device according to the present invention. Figure 2 is a side cross-sectional view showing an embodiment of the rockfall prevention device according to the present invention.

도 1, 2에 도시한 바와 같이, 본 발명에 따른 낙석방지장치의 일실시예는, 스팅어스앵커(100)들, 낙석방지망(200), 와이어연결유닛(300), 단위와이어로프(400)들을 포함한다.As shown in Figures 1 and 2, one embodiment of the rockfall prevention device according to the present invention, the stingers anchor 100, the rockfall prevention net 200, the wire connection unit 300, the unit wire rope 400 Includes them.

스팅어스앵커(100)들은 사면에 박혀 상단부가 노출된다. 스팅어스앵커(100)들은 사면에 격자 형태로 배치되는 것이 바람직하다. 스팅어스앵커(100)의 일예로, 스팅어스앵커(100)는 사면에 형성된 천공홀 내부에 위치하며 하단부에 나사산부(111)가 구비되는 인장바(110)와, 그 인장바(110)의 나사산부(111)에 체결되며 원추 형상의 콘부(121)가 구비되는 콘부재(120)와, 그 콘부재(120)의 콘부(121)를 감싸도록 배열되는 복수 개의 톱니형 쐐기체(130)들과, 인장바(110)의 하단부에 결합되는 강성지지체(140)와, 그 강선지지체(140)와 톱니형 쐐기체(130)들을 각각 연결하는 강선지지체(150)들을 포함한다. 스팅어스앵커(100)는 콘부재(120)와 톱니형 쐐기체(130)들이 아래로 위치하도록 천공홀에 삽입한 상태에서 인장바를 회전시켜 콘부재(120)를 당기게 되면 콘부재(120)의 콘부(121)를 감싸도록 위치한 톱니형 쐐기체(130)들이 벌어지면서 천공홀의 내벽에 박히게 된다. 이와 같은 상태에서 천공홀에 그라우팅재를 주입하여 경화시킨게 되면 스팅어스앵커(100)가 고정된다.Stingers anchors 100 are embedded in the slope to expose the upper end. Stingers anchors 100 are preferably arranged in a grid shape on the slope. As an example of the Stingers Anchor 100, the Stingers Anchor 100 is located inside a perforated hole formed on a slope and has a threaded portion 111 at the lower end of the tension bar 110 and the tension bar 110 A cone member 120 fastened to the threaded portion 111 and provided with a conical cone portion 121, and a plurality of serrated wedge bodies 130 arranged to surround the cone portion 121 of the cone member 120 And a rigid support 140 coupled to the lower end of the tension bar 110, and a steel wire support 150 connecting the steel wire support 140 and the serrated wedge body 130, respectively. The stinger anchor 100 rotates the tension bar while the cone member 120 and the serrated wedge body 130 are inserted into the perforation hole so that the cone member 120 is positioned downward, and the cone member 120 is pulled. The serrated wedge bodies 130 positioned so as to surround the cone part 121 are opened and are stuck in the inner wall of the perforated hole. In this state, when the grouting material is injected into the perforated hole and hardened, the sting earth anchor 100 is fixed.

낙석방지망(200)은 사면을 복개한다. 낙석방지망(200)은 와이어들이 서로 연결되게 배열된 것으로, 공지된 기술이다.The rockfall prevention net 200 covers the slope. The rockfall prevention net 200 is a known technology that is arranged so that the wires are connected to each other.

와이어연결유닛(300)은 스팅어스앵커(100)들의 각 상부에 결합된다. 와이어연결유닛(300)의 일예로, 도 3, 4에 도시한 바와 같이, 와이어연결유닛(300)은 스프링고정부재(310), 멀티로프연결부재(320), 앵커콘(330), 완충스프링(340), 지압판(350), 가압부재(360)를 포함한다.The wire connection unit 300 is coupled to the top of each of the stingers anchors 100. As an example of the wire connection unit 300, as shown in Figs. 3 and 4, the wire connection unit 300 includes a spring fixing member 310, a multi-rope connection member 320, an anchor cone 330, a buffer spring It includes 340, acupressure plate 350, and a pressing member 360.

스프링고정부재(310)는 스팅어스앵커(100)의 상단부가 관통하도록 스팅어스앵커(100)에 결합되어 스팅어스앵커(100)에 지지된다. 스프링고정부재(310)의 일예로, 스프링고정부재(310)는 균일한 두께를 갖는 환형링 형상의 환형링부(311)와, 그 환형링부(311)의 외주면에 균일한 간격을 두고 돌출 형성되어 완충스프링(340)의 한쪽이 고정되는 복수 개의 스프링고정돌기(312)들을 포함한다. 환형링부(311)의 내부로 스팅어스앵커(100)의 인장바(110) 상단부가 관통 삽입된다. 스프링고정돌기(312)는 네 개인 것이 바람직하며, 그 네 개의 스프링고정돌기(312)들은 서로 균일한 간격을 두고 위치한다. 스프링고정돌기(312)는 두 개, 세 개, 다섯 개 등이 될 수도 있다.The spring fixing member 310 is coupled to the sting earth anchor 100 so that the upper end of the sting earth anchor 100 penetrates and is supported by the sting earth anchor 100. As an example of the spring fixing member 310, the spring fixing member 310 is formed to protrude from the outer circumferential surface of the annular ring-shaped annular ring 311 having a uniform thickness and the annular ring 311 at uniform intervals. It includes a plurality of spring fixing projections 312 to which one side of the buffer spring 340 is fixed. The upper end of the tension bar 110 of the stinger anchor 100 is inserted through the annular ring part 311. It is preferable that there are four spring fixing protrusions 312, and the four spring fixing protrusions 312 are positioned at a uniform distance from each other. The spring fixing protrusion 312 may be two, three, five, etc.

멀티로프연결부재(320)는 스프링고정부재(310)를 둘러싸도록 위치하며, 단위와이어로프(400)의 단부가 관통 삽입되는 복수 개의 테이퍼홀(321)들이 구비된다. 멀티로프연결부재(320)의 일예로, 멀티로프연결부재(320)는 균일한 두께를 가지며 내부에 관통구멍이 구비되는 몸체부(322)와, 그 몸체부(322)의 관통구멍 중심선을 기준으로 몸체부(322)에 방사상으로 각각 관통 형성되되, 원주 방향으로 균일한 간격을 두고 형성되는 복수 개의 테이퍼홀(321)들과, 몸체부(322)의 관통구멍 내주면에 균일한 간격을 두고 돌출 형성되어 완충스프링(340)의 다른 한쪽 단부가 고정되는 스프링고정돌기(323)들을 포함한다. 몸체부(322)의 일예로, 몸체부(322)는 균일한 두께를 갖는 환형링 형상으로 형성됨이 바람직하다. 즉, 테이퍼홀(321)은 몸체부(322)의 내주면과 외주면을 관통하도록 형성되되, 내주면쪽의 내경이 외주면쪽의 내경보다 선형적으로 작아지도록 형성된다. 테이퍼홀(321)들은 네 개인 것이 바람직하며 그 네 개의 테이퍼홀(321)들은 서로 90도의 간격을 두고 위치하는 것이 바람직하다. 멀티로프연결부재(320)의 스프링고정돌기(323)들은 네 개인 것이 바람직하고, 그 네 개의 스프링고정돌기(323)들은 서로 인접하는 두 개의 테이퍼홀(321)들 사이에 각각 위치하는 것이 바람직하다. 멀티로프연결부재(320)가 스프링고정부재(310)를 둘러싸도록 위치할 때 멀티로프연결부재(320)의 내주면과 스프링고정부재(310)의 내주면은 간격을 두고 위치하며, 멀티로프연결부재(320)의 스프링고정돌기들(323)과 스프링고정부재(310)의 스프링고정돌기(312)들은 서로 일대일 대면되도록 위치한다.The multi-rope connection member 320 is positioned so as to surround the spring fixing member 310 and includes a plurality of tapered holes 321 through which the end of the unit wire rope 400 is inserted. As an example of the multi-rope connection member 320, the multi-rope connection member 320 has a uniform thickness and has a through-hole provided therein, based on the center line of the through-hole of the body 322 A plurality of tapered holes 321 each formed radially through the body portion 322 and formed at uniform intervals in the circumferential direction, and the through hole of the body portion 322 protrude at a uniform interval on the inner circumferential surface It is formed and includes a spring fixing protrusion 323 to which the other end of the buffer spring 340 is fixed. As an example of the body portion 322, the body portion 322 is preferably formed in an annular ring shape having a uniform thickness. That is, the tapered hole 321 is formed to pass through the inner and outer circumferential surfaces of the body portion 322, and the inner diameter of the inner circumferential surface is linearly smaller than the inner diameter of the outer circumferential surface. It is preferable that the tapered holes 321 are four, and the four tapered holes 321 are preferably positioned at an interval of 90 degrees from each other. It is preferable that there are four spring fixing protrusions 323 of the multi-rope connection member 320, and the four spring fixing protrusions 323 are preferably positioned between two tapered holes 321 adjacent to each other. . When the multi-rope connection member 320 is positioned so as to surround the spring fixing member 310, the inner circumferential surface of the multi-rope connection member 320 and the inner circumferential surface of the spring fixing member 310 are positioned at intervals, and the multi-rope connection member ( The spring fixing protrusions 323 of 320 and the spring fixing protrusions 312 of the spring fixing member 310 are positioned to face each other one-to-one.

앵커콘(330)은 멀티로프연결부재(320)의 테이퍼홀(321)들에 각각 결합되어 단위와이어로프(400)의 단부를 고정시킨다. 앵커콘(330)의 일예로, 앵커콘(330)은 원추 형상의 콘부(331)와, 그 콘부(331)의 중심선상에 관통 형성되는 삽입구멍(332)을 포함한다. 콘부(331)는 복수 개의 조각으로 구성되며, 바람직하게는 세 개의 조각으로 구성되는 것이 바람직하다.The anchor cone 330 is coupled to each of the tapered holes 321 of the multi-rope connection member 320 to fix the end of the unit wire rope 400. As an example of the anchor cone 330, the anchor cone 330 includes a cone portion 331 having a conical shape, and an insertion hole 332 penetrating through the center line of the cone portion 331. The cone part 331 is composed of a plurality of pieces, and is preferably composed of three pieces.

완충스프링(340)들은 스프링고정부재(310)와 멀티로프연결부재(320)를 연결한다. 완충스프링(340)은 압축코일스프링인 것이 바람직하다. 완충스프링(340)들은 네 개인 것이 바람직하다. 완충스프링(340)의 한쪽 단부는 스프링고정부재(310)의 스프링고정돌기(312)에 결합되고 다른 한쪽 단부는 멀티로프연결부재(320)의 스프링고정돌기(323)에 결합된다.The buffer springs 340 connect the spring fixing member 310 and the multi-rope connection member 320. It is preferable that the buffer spring 340 is a compression coil spring. It is preferable that the buffer springs 340 are four. One end of the buffer spring 340 is coupled to the spring fixing protrusion 312 of the spring fixing member 310 and the other end is coupled to the spring fixing protrusion 323 of the multi-rope connection member 320.

지압판(350)은 멀티로프연결부재(320)의 상면을 지지하여 가압한다. 지압판(350)은 멀티로프연결부재(320)의 내경보다 크며, 가운데 스팅어스앵커(100)의 인장바(110)가 관통하는 관통구멍이 구비된다.The pressure plate 350 supports and presses the upper surface of the multi-rope connection member 320. The pressure plate 350 is larger than the inner diameter of the multi-rope connection member 320 and has a through hole through which the tension bar 110 of the stinger anchor 100 passes.

가압부재(360)는 스팅어스앵커(100)의 상단부에 결합되어 지압판(350)을 가압한다. 가압부재(360)의 일예로, 가압부재(360)는 라이너스크류를 포함하는 것이 바람직하다.The pressing member 360 is coupled to the upper end of the stinger anchor 100 to press the acupressure plate 350. As an example of the pressing member 360, it is preferable that the pressing member 360 includes a liner screw.

단위와이어로프(400)들은 서로 인접하는 두 개의 와이어연결유닛(300)들에 양단부가 각각 연결되어 낙석방지망(200)을 지지한다. 단위와이어로프(400)의 길이는 서로 인접하는 두 개의 와이어연결유닛(300)들의 거리에 해당한다. 단위와이어로프(400)의 한쪽 단부가 와이어연결유닛(300)를 구성하는 멀티로프연결부재(320)의 한 개 테이퍼홀(321)에 삽입된 상태에서 앵커콘(330)이 단위와이어로프(400)와 테이퍼홀(321) 내주면 사이에 결합되어 멀티로프연결부재(320)에 고정된다. 한 개의 와이어연결유닛(300)의 멀티로프연결부재(320)에 네 개의 테이퍼홀(321)들이 구비되면 그 네 개의 테이퍼홀(321)에 네 개의 단위와이어로프(400)들의 각 단부가 연결된다.The unit wire ropes 400 are connected at both ends to two adjacent wire connection units 300 to support the rockfall prevention net 200. The length of the unit wire rope 400 corresponds to the distance between two adjacent wire connection units 300. When one end of the unit wire rope 400 is inserted into one taper hole 321 of the multi-rope connection member 320 constituting the wire connection unit 300, the anchor cone 330 is inserted into the unit wire rope 400. ) And the tapered hole 321 is coupled between the inner peripheral surface is fixed to the multi-rope connection member (320). When four tapered holes 321 are provided in the multi-rope connection member 320 of one wire connection unit 300, each end of the four unit wire ropes 400 is connected to the four tapered holes 321 .

도 4는 본 발명에 따른 낙석방지장치 시공방법의 일실시예를 도시한 순서도이다.Figure 4 is a flow chart showing an embodiment of a rockfall prevention device construction method according to the present invention.

도 4에 도시한 바와 같이, 본 발명에 따른 낙석방지장치 시공방법의 일실시예는, 먼저, 사면에 격자 형태로 스팅어스앵커(100)들을 설치하는 단계(S1)가 진행된다. 스팅어스앵커(100)는 위에서 설명한 스팅어스앵커(100)와 같다. 따라서 구체적인 설명은 생략한다. 스팅어스앵커(100)를 설치하는 과정은, 먼저 사면에 설정된 깊이로 천공홀을 굴착한다. 그리고 스팅어스앵커(100)를 천공홀에 삽입하되, 콘부재(120)와 톱니형 쐐기체(130)들이 아래로 위치하도록 천공홀에 삽입하고 인장바(110)를 회전시켜 콘부재(120)를 당기게 되면 콘부재(120)의 콘부(121)를 감싸도록 위치한 톱니형 쐐기체(130)들이 벌어지면서 천공홀의 내벽에 박히게 된다. 이와 같은 상태에서 천공홀에 그라우팅재를 주입하여 경화시키게 되면 스팅어스앵커(100)가 고정된다.As shown in Figure 4, one embodiment of the construction method of the rockfall prevention device according to the present invention, first, a step (S1) of installing the stingers anchors 100 in the form of a grid on the slope proceeds. The stingers anchor 100 is the same as the stingers anchor 100 described above. Therefore, a detailed description is omitted. In the process of installing the stingers anchor 100, first, a drilling hole is excavated to a depth set on the slope. And the stingers anchor 100 is inserted into the perforated hole, and the cone member 120 and the serrated wedge body 130 are inserted into the perforated hole so that the cone member 120 and the serrated wedge body 130 are located downward, and the tension bar 110 is rotated to make the cone member 120 When is pulled, the serrated wedge bodies 130 located to surround the cone portion 121 of the cone member 120 are opened and embedded in the inner wall of the perforated hole. In such a state, when the grouting material is injected into the perforated hole and hardened, the sting earth anchor 100 is fixed.

사면에 스팅어스앵커(100)들을 설치한 다음 사면을 낙석방지망(200)으로 복개하는 단계(S2)가 진행된다. 이때, 스팅어스앵커(100)의 상단부가 낙석방지망(200) 위로 돌출되게 낙석방지망(200)을 설치한다.After installing the stingers anchors 100 on the slope, the step (S2) of covering the slope with the rockfall prevention net 200 proceeds. At this time, the rockfall prevention net 200 is installed so that the upper end of the stingers anchor 100 protrudes above the rockfall prevention net 200.

사면을 낙석방지망(200)으로 복개한 다음 스팅어스앵커(100)들에 와이어연결유닛(300)을 결합하는 단계(S3)가 진행된다. 와이어연결유닛(300)의 구성은 위에서 설명한 와이어연결유닛(300)의 구성과 같다. 와이어연결유닛(300)을 스팅어스앵커(100)에 결합시 스프링고정부재(310), 완충스프링(340)들 그리고 멀티로프연결부재(320)가 결합된 어셈블리의 스프링고정부재(310)를 스팅어스앵커(100)의 인장바(110)에 결합하되, 인장바(110)가 스프링고정부재(310)를 관통하도록 결합한다. 그리고 지압판(350)을 인장바(110)에 결합시키고 인장기로 인장바(110)를 인장시킨 상태에서 인장바(110)에 라이너스크류를 체결한다.After covering the slope with the rockfall prevention net 200, a step (S3) of coupling the wire connection unit 300 to the stingers anchors 100 is performed. The configuration of the wire connection unit 300 is the same as that of the wire connection unit 300 described above. When the wire connection unit 300 is coupled to the stinger anchor 100, the spring fixing member 310 of the assembly in which the spring fixing member 310, the buffer springs 340 and the multi-rope connection member 320 are combined is sting It is coupled to the tension bar 110 of the earth anchor 100, but the tension bar 110 is coupled to pass through the spring fixing member 310. Then, the pressure plate 350 is coupled to the tensioning bar 110 and a liner screw is fastened to the tensioning bar 110 while the tensioning bar 110 is tensioned with a tensioner.

스팅어스앵커(100)들에 와이어연결유닛(300)을 결합한 다음 서로 인접하는 두 개의 와이어연결유닛(300)들에 단위와이어로프(400)의 양단부를 연결하는 단계(S4)가 진행된다. 단위와이어로프(400)의 길이는 서로 인접하는 두 개의 와이어연결유닛(300)들의 거리에 해당한다. 한 개의 와이어연결유닛(300)의 멀티로프연결부재(320)에 네 개의 테이퍼홀(321)들이 구비되면 그 네 개의 테이퍼홀(321)에 네 개의 단위와이어로프(400)들의 각 단부가 연결된다. 단위와이어로프(400)는 한쪽 단부가 와이어연결유닛(300)를 구성하는 멀티로프연결부재(320)의 한 개 테이퍼홀(321)에 삽입된 상태에서 앵커콘(330)이 단위와이어로프(400)와 테이퍼홀(321) 내주면 사이에 결합되어 멀티로프연결부재(320)에 고정되며, 그 단위와이어로프(400)의 다른 한쪽 단부는 인접하는 와이어연결유닛(300)을 구성하는 멀티로프연결부재(320)의 한 개의 테이퍼홀(321)에 삽입된 상태에서 앵커콘(330)이 단위와이어로프(400)와 테이퍼홀(321) 내주면 사이에 결합되어 멀티로프연결부재(320)에 고정된다.A step (S4) of coupling the wire connection unit 300 to the stingers anchors 100 and then connecting both ends of the unit wire rope 400 to two adjacent wire connection units 300 is performed. The length of the unit wire rope 400 corresponds to the distance between two adjacent wire connection units 300. When four tapered holes 321 are provided in the multi-rope connection member 320 of one wire connection unit 300, each end of the four unit wire ropes 400 is connected to the four tapered holes 321 . The unit wire rope 400 has one end inserted into one taper hole 321 of the multi-rope connection member 320 constituting the wire connection unit 300, and the anchor cone 330 is the unit wire rope 400 ) And the tapered hole 321 is coupled between the inner peripheral surface and fixed to the multi-rope connection member 320, the other end of the unit wire rope 400 is a multi-rope connection member constituting the adjacent wire connection unit 300 In a state inserted into one taper hole 321 of 320, the anchor cone 330 is coupled between the unit wire rope 400 and the inner circumferential surface of the tapered hole 321 to be fixed to the multi-rope connection member 320.

이하, 본 발명에 따른 낙석방지장치 및 그 시공방법의 작용과 효과를 설명한다.Hereinafter, the action and effect of the rockfall prevention device and its construction method according to the present invention will be described.

본 발명은 절개지 사면에 격자 형태로 스팅어스앵커(100)들을 설치하고 사면을 낙석방지망(200)으로 복개하고 스팅어스앵커(100)들에 와이어연결유닛(300)을 결합하고 서로 인접하는 두 개의 와이어연결유닛(300)들에 단위와이어로프(400)의 양단부를 연결하게 되며, 단위와이어로프(400)들이 낙석방지망(200)을 지지하고 단위와이어로프(400)들이 와이어연결유닛(300)의 멀티로프연결부재(320)에 연결되고 멀티로프연결부재(320)가 스팅어스앵커(100)와 연결된 완충스프링(340)들에 의해 연결되므로 단위와이어로프(400)들이 탄성력을 갖는 상태에서 낙석방지망(200) 및 사면을 지지하게 되어 사면을 탄성력으로 가압 지지하게 된다.The present invention installs the stingers anchors 100 in the form of a grid on the slope of the incision, covers the slopes with a rockfall prevention net 200, couples the wire connection unit 300 to the stingers anchors 100, and two adjacent to each other Both ends of the unit wire rope 400 are connected to the wire connection units 300, and the unit wire ropes 400 support the rockfall prevention net 200, and the unit wire ropes 400 are connected to the wire connection unit 300. It is connected to the multi-rope connection member 320, and the multi-rope connection member 320 is connected by the buffer springs 340 connected to the stinger anchor 100, so that the unit wire rope 400 is in a state of elasticity to prevent rockfall. (200) and the slope is supported so that the slope is pressed and supported by an elastic force.

이와 같이, 본 발명은 단위와이어로프(400)들이 낙석방지망(200)을 지지하고 단위와이어로프(400)들이 멀티로프연결부재(320)에 연결되고 멀티로프연결부재(320)가 스팅어스앵커(100)와 연결된 완충스프링(340)들에 의해 연결되어 단위와이어로프(400)들이 낙석방지망(200)을 탄성력을 가하면서 지지하게 되어 절개지 사면이 낙석방지망(200) 및 단위와이어로프(400)들에 의해 탄성력을 받으면서 지지되어 낙석이 발생되는 것을 최소화하게 되며, 낙석이 발생하게 되어 낙석이 낙석방지망(200)에 충격을 가하더라도 탄성력에 의해 충격을 흡수하여 낙석방지망(200)의 파손을 최소화하게 된다. In this way, the present invention is the unit wire rope 400 supports the rockfall prevention net 200, the unit wire rope 400 is connected to the multi-rope connection member 320, and the multi-rope connection member 320 is a stinger anchor ( The unit wire ropes 400 are connected by the buffer springs 340 connected to the 100) to support the rockfall prevention net 200 while applying an elastic force so that the slope of the incision is the rockfall prevention net 200 and the unit wire ropes 400. It is supported while receiving the elastic force by the elastic force to minimize the occurrence of rockfall, and even if the rockfall occurs and the rockfall impacts the rockfall prevention net 200, the shock is absorbed by the elastic force to minimize the damage of the rockfall prevention net 200. do.

또한, 본 발명은 스팅어스앵커(100)들에 와이어연결유닛(300)이 결합되고 서로 인접하는 두 개의 와이어연결유닛(300)들을 단위와이어로프(400)로들로 연결하게 되므로 시공이 간단하고 편리하게 된다.In addition, the present invention is simple construction because the wire connection unit 300 is coupled to the stingers anchors 100 and two adjacent wire connection units 300 are connected to each other by the unit wire rope 400 It becomes convenient.

100; 스팅어스앵커 200; 낙석방지망
300; 와이어연결유닛 400; 단위와이어로프
310; 스프링고정부재 320; 멀티로프연결부재
330; 앵커콘 340; 완충스프링
350; 지압판 360; 가압부재100; Stingers Anchor 200; Rockfall prevention net
300; Wire connection unit 400; Unit wire rope
310; Spring fixing material 320; Multi rope connection member
330; Anchor cone 340; Buffer spring
350; Acupressure plate 360; Pressing member

Claims (7)

사면에 박혀 상단부가 노출되는 다수 개의 스팅어스앵커들;
상기 사면을 복개하는 낙석방지망;
상기 스팅어스앵커들의 각 상부에 결합되는 와이어연결유닛;
서로 인접하는 두 개의 상기 와이어연결유닛들에 양단부가 각각 연결되어 상기 낙석방지망을 지지하는 단위와이어로프들;을 포함하며,
상기 와이어연결유닛은,
상기 스팅어스앵커의 상단부가 관통하도록 스팅어스앵커에 결합되어 스팅어스앵커에 지지되는 스프링고정부재;
상기 스프링고정부재를 둘러싸도록 위치하며, 상기 단위와이어로프의 단부가 관통 삽입되는 복수 개의 테이퍼홀들이 구비되는 멀티로프연결부재;
상기 멀티로프연결부재의 테이퍼홀들에 각각 결합되어 상기 단위와이어로프의 단부를 고정하는 앵커콘;
상기 스프링고정부재와 멀티로프연결부재를 연결하는 복수 개 완충스프링들;
상기 멀티로프연결부재의 상면을 지지하여 가압하는 지압판;
상기 스팅어스앵커의 상단부에 결합되어 상기 지압판을 가압하는 가압부재를 포함하며,
상기 스프링고정부재는 균일한 두께를 갖는 환형링 형상의 환형링부와, 상기 환형링부의 외주면에 균일한 간격을 두고 돌출 형성되어 상기 완충스프링의 한쪽이 고정되는 스프링고정돌기들을 포함하며,
상기 멀티로프연결부재는 균일한 두께를 가지며 내부에 관통구멍이 구비되는 몸체부와, 상기 몸체부의 관통구멍 중심선을 기준으로 상기 몸체부에 방사상으로 각각 관통 형성되되, 원주 방향으로 균일한 간격을 두고 형성되는 상기 복수 개의 테이퍼홀들과, 상기 몸체부의 관통구멍 내주면에 균일한 간격을 두고 돌출 형성되어 상기 완충스프링의 다른 한쪽 단부가 고정되는 스프링고정돌기들을 포함하는 낙석방지장치.A plurality of stingers anchors in which the upper end is exposed by being embedded in the slope;
A rockfall prevention net covering the slope;
A wire connection unit coupled to the upper portions of the stingers anchors;
Includes; unit wire ropes having both ends connected to each of the two adjacent wire connection units to support the rockfall prevention net, and
The wire connection unit,
A spring fixing member coupled to the stinger anchor so as to pass through the upper end of the stinger anchor and supported by the stinger anchor;
A multi-rope connection member positioned so as to surround the spring fixing member and having a plurality of tapered holes through which the end of the unit wire rope is inserted;
Anchor cones respectively coupled to the tapered holes of the multi-rope connection member to fix the end of the unit wire rope;
A plurality of buffer springs connecting the spring fixing member and the multi-rope connection member;
An acupressure plate supporting and pressing the upper surface of the multi-rope connecting member;
It includes a pressing member coupled to the upper end of the stingers anchor to press the pressure plate,
The spring fixing member includes an annular ring portion having a uniform thickness and an annular ring portion having a shape of an annular ring, and spring fixing protrusions protruding from the outer circumferential surface of the annular ring portion at a uniform interval to fix one side of the buffer spring,
The multi-rope connection member has a uniform thickness and is formed through a body portion having a through hole therein and radially through each of the body portion with respect to the center line of the through hole of the body portion, with uniform intervals in the circumferential direction. Fall prevention device comprising a plurality of tapered holes formed, and spring fixing protrusions protruding from the inner circumferential surface of the through-hole of the body at a uniform interval to fix the other end of the buffer spring. 삭제delete 삭제delete 제 1 항에 있어서, 상기 몸체부의 테이퍼홀들은 네 개이며, 서로 90도의 간격을 두고 위치하는 것을 특징으로 하는 낙석방지장치. The device of claim 1, wherein the body portion has four tapered holes, and is positioned at an interval of 90 degrees from each other. 제 1 항에 있어서, 상기 앵커콘은 원추 형상의 콘부와, 상기 콘부의 중심선상에 관통 형성되는 삽입구멍을 포함하며, 상기 콘부는 세 개의 조각으로 구성되는 것을 특징으로 하는 낙석방지장치.The device of claim 1, wherein the anchor cone includes a cone portion having a conical shape and an insertion hole formed through a center line of the cone portion, and the cone portion is formed of three pieces. 제 1 항에 있어서, 상기 완충스프링들은 압축코일스프링이며, 네 개인 것을 특징으로 하는 낙석방지장치.The device of claim 1, wherein the buffer springs are compression coil springs, and there are four. 삭제delete
KR1020200008042A 2020-01-21 2020-01-21 Apparatus for preventing falling rock and method constructing the same KR102149740B1 (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002180472A (en) * 2000-10-06 2002-06-26 Tokyo Seiko Co Ltd Construction method and device for stabilizing slope
KR200387091Y1 (en) * 2005-03-28 2005-06-17 (주) 코리아에스이 Shock Absorbing Structure of Wire Rope for Falling Rock Protection Facialities
KR101804166B1 (en) * 2017-06-30 2018-01-10 주식회사 케이엔지니어링 Absorbing device for rockfall prevention nets on slope

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002180472A (en) * 2000-10-06 2002-06-26 Tokyo Seiko Co Ltd Construction method and device for stabilizing slope
KR200387091Y1 (en) * 2005-03-28 2005-06-17 (주) 코리아에스이 Shock Absorbing Structure of Wire Rope for Falling Rock Protection Facialities
KR101804166B1 (en) * 2017-06-30 2018-01-10 주식회사 케이엔지니어링 Absorbing device for rockfall prevention nets on slope

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