WO2014125773A1 - Structure de protection et procédé de protection pour pente - Google Patents

Structure de protection et procédé de protection pour pente Download PDF

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Publication number
WO2014125773A1
WO2014125773A1 PCT/JP2014/000363 JP2014000363W WO2014125773A1 WO 2014125773 A1 WO2014125773 A1 WO 2014125773A1 JP 2014000363 W JP2014000363 W JP 2014000363W WO 2014125773 A1 WO2014125773 A1 WO 2014125773A1
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WO
WIPO (PCT)
Prior art keywords
rope
slope
net
ropes
vertical
Prior art date
Application number
PCT/JP2014/000363
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English (en)
Japanese (ja)
Inventor
利充 野村
昭一 井上
陽一 西田
Original Assignee
株式会社プロテックエンジニアリング
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 株式会社プロテックエンジニアリング filed Critical 株式会社プロテックエンジニアリング
Priority to KR1020157019737A priority Critical patent/KR102243531B1/ko
Publication of WO2014125773A1 publication Critical patent/WO2014125773A1/fr

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Classifications

    • 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

Definitions

  • the present invention relates to a slope protection structure and a protection method for preventing falling rocks and landslides.
  • Patent Document 1 as a means of protecting slopes where there is a risk of falling rocks or landslides, covering the slope with a wire mesh or wire rope net and fixing the intersections of the wire mesh or the rope net with special anchors 2 is disclosed.
  • Patent Document 3 discloses that the slope is covered with a wire mesh and vertical and horizontal ropes, and the intersection of the vertical and horizontal ropes and the wire mesh are fixed to the anchor together.
  • Patent Document 3 a reinforcing range is covered with an auxiliary net and the periphery of the auxiliary net is fixed with a dedicated anchor, and a reinforcing rope is attached to the reinforcing range.
  • Patent Document 4 discloses that both ends of the reinforcing rope are fixed with dedicated anchors.
  • JP 2009-249823 A (FIG. 6) JP-A-8-260423 (FIGS. 1 and 2) JP 2009-203681 A (FIGS. 6 and 11) JP 2000-27123 A (FIG. 1)
  • the present invention has been made in view of the above points, and an object of the present invention is to provide at least one slope protection technique.
  • ⁇ 1> Capability to improve work safety while improving work efficiency on slopes.
  • ⁇ 2> To reduce the load on the rope and anchor.
  • ⁇ 3> Capable of quickly and economically reinforcing the entire slope or partially reinforcing the slope.
  • 1st invention of this application attaches the net covered over the protection range of the slope, and a plurality of ropes attached to the net in a crossing direction to an anchor provided on the slope to restrain the surface of the slope.
  • a mooring roller that is rotatably installed between the center portions of the restraint plates and has an insertion hole through which the anchor head can be inserted, and the peripheral portion of the restraint plate A net having an insertion space into which a rope can be inserted between the mooring roller and the regulation pin, and whose slope is covered with a support mooring device installed on the head of the anchor.
  • a second invention of the present application is characterized in that, in the first invention, the rope combined in the intersecting direction is any one of a combination of a single rope, a combination of a plurality of ropes, or a combination of a single rope and a plurality of ropes.
  • a third invention of the present application is characterized in that, in the second invention, the rope combined in the intersecting direction is a combination of a vertical rope arranged in the vertical direction of the slope and a horizontal rope arranged in the horizontal direction of the slope. To do.
  • the rope combined in the intersecting direction is arranged in a vertical rope arranged in the vertical direction of the slope, a horizontal rope arranged in the horizontal direction of the slope, and an oblique direction of the slope. It is characterized by the combination with the slanted rope.
  • a fifth invention of the present application is the rope according to the second invention, wherein the ropes combined in the intersecting direction are arranged in the vertical and horizontal directions of the slope, and the vertical ropes are attached in advance to the left and right side edges of the net. It is characterized by that.
  • the slope is covered with a net, a net obtained by obtaining a reaction force on the anchor and fixing the net on the slope is fixed to the slope, and combined with the net in the crossing direction.
  • a method of attaching a plurality of ropes to protect a slope wherein a support mooring tool having both a support pressure fixing function of the net and a mooring function of the plurality of ropes is used, and the support mooring tool is in the center
  • a pair of constraining plates having an insertion hole through which the anchor head can be inserted, a mooring roller which is rotatably installed between the central portions of the constraining plate and has an insertion hole through which the anchor head can be inserted;
  • a restraining pin installed between the peripheral edges of the restraint plate, forming an insertion space into which a rope can be inserted between the anchoring roller and the restraining pin, and the supporting pressure mooring attached to the head of the anchor Net covered on slope with tools
  • the both ends of the rope are moored and wired, and the both ends of the rope are inclined.
  • the both ends of the additional rope are moored and arranged between the plurality of supporting moorings, and both ends of the additional rope are inclined. It further includes an additional retrofitting work of a rope to be fixed to the cable.
  • the eighth invention of the present application is the sixth or seventh invention, wherein the rope combined in the intersecting direction is any one of a combination of single ropes, a combination of multiple ropes, or a combination of a single rope and multiple ropes. It is characterized by that.
  • a ninth invention of the present application is characterized in that, in the eighth invention, the rope combined in the intersecting direction is a combination of a vertical rope arranged in the vertical direction of the slope and a horizontal rope arranged in the horizontal direction of the slope. To do.
  • the rope combined in the intersecting direction is arranged in a vertical rope arranged in the vertical direction of the slope, a horizontal rope arranged in the horizontal direction of the slope, and an oblique direction of the slope. It is characterized by the combination with the slanted rope.
  • An eleventh invention of the present application is the rope according to the eighth invention, wherein the ropes combined in the intersecting direction are arranged in the vertical and horizontal directions of the slope, and the vertical ropes are attached in advance to the left and right side edges of the net. After fixing the net with the rope in the vertical direction to the slope, the rope in the horizontal direction is retrofitted to the net.
  • the present invention has at least one of the following effects.
  • a rope is routed between a plurality of support moorings after promptly fixing the slope by using a support mooring tool to quickly fix the net covering the slope. Therefore, the retrofitting work of the rope can be efficiently performed in a short time in a safe environment.
  • a support mooring tool By using a support mooring tool, it is possible to transmit the load acting on a part of the rope over the entire length of the rope, and further distributing the load acting on a part of the rope to a plurality of anchors. Can be supported. Therefore, the load burden of the rope and anchor can be reduced, and not only an ideal load burden is possible, but also the effect of restraining the slope is improved as compared with the conventional netting method.
  • Plane model diagram of the slope protection structure according to the present invention Enlarged perspective view of the fixed part of the net with part of the support mooring device broken Longitudinal sectional view of the fixed part of the net using the support mooring tool It is explanatory drawing of the construction method of a covering net, (A) is a model figure of an anchor work, (B) is a model figure of a net covering work and a fixing work Horizontal sectional view of the mooring section between the support mooring tool and the vertical and horizontal ropes Horizontal sectional view of the anchor at the outermost end and the fixed part at the end of the vertical and horizontal ropes Plan model diagram of the protection structure of the slope that adjusts the collapse prevention force by selecting the number and installation direction of the vertical and horizontal ropes Plane model diagram of the slope protection structure according to Modification 2 using a net with a vertical rope The top view of the butted part of the net with a vertical rope in modification 2
  • the slope protection structure includes a net 20 covering a slope 10 to be protected on which a float stone 11 and the like exist, and a surface of the net 20.
  • the vertical and horizontal ropes 30 and 31 and the net 20 are connected by a connection tool 32 such as a connection coil.
  • the anchor 20 and the supporting mooring tool 50 are used together to fix the net 20 covered with the slope 10 in advance, and the supporting mooring tool 50 used for fixing the net 20 is also used as the surface of the net 20.
  • the vertical and horizontal ropes 30 and 31 are retrofitted in a safe environment.
  • the net 20 that is stretched on the slope 10 to be protected is a net-like material that is excellent in flexibility, high strength, and weather resistance. Includes metal nets, resin nets, non-metal nets such as resin nets made of high-strength fibers and fiber nets.
  • the vertical rope 30 and the horizontal rope 31 are continuous metal or non-metal ropes having a length equal to or longer than the distance between the pair of anchors 40 and 40, and are stretched on the surface of the net 20. . Between both end portions (intermediate portions) of the vertical and horizontal ropes 30 and 31 are moored to a plurality of support pressure moorings 50, and the ends of the vertical and horizontal ropes 30 and 31 are connected to the outermost ends via the support pressure moorings 50. Fix directly to the anchor 40 or directly to the outermost anchor 40. The ends of the vertical and horizontal ropes 30 and 31 may be fixed to the slope 10.
  • the reason that the support mooring device 50 is moored between the both ends of each of the vertical and horizontal ropes 30 and 31 is that the load acting on a part of the vertical and horizontal ropes 30 and 31 can be transmitted over the entire length of the rope. It is to do.
  • the supporting pressure mooring tool 50 is a dual-purpose jig for mooring a plurality of vertical and horizontal ropes 30 and 31 while pressing and fixing a plurality of portions of the net 20 against the slope 10. Install in place and fix.
  • the support mooring tool 50 is not limited in the direction of the vertical and horizontal ropes 30 and 31 and the number of moorings, and can be wired in any direction across the heads of the plurality of anchors 40 in any direction. It is.
  • the reason why the routing direction and the number of moorings of the vertical and horizontal ropes 30 and 31 can be arbitrarily set is to partially adjust the collapse prevention force according to the situation of the slope 10.
  • the support mooring tool 50 illustrated in FIGS. 2 and 3 will be described.
  • the support mooring tools 50 are arranged to face each other and have a pair of restraining plates 51, 52 having insertion holes 51a, 52a in the center, and the restraining plate 51.
  • , 52 is rotatably installed between the central portions of the two and the anchoring rollers 53 having an insertion hole 53a formed at the center thereof, and a restriction pin 54 provided between the peripheral portions of the restraining plates 51 and 52.
  • An insertion space 55 into which a rope can be inserted is formed between the mooring roller 53 and the regulation pin 54.
  • the size of the insertion space 55 is appropriately selected in consideration of the number of ropes inserted.
  • the support mooring tool 50 can be inserted into the head of the anchor 40 through the plurality of insertion holes 51a, 52a, 53a.
  • the restraint plates 51 and 52 have both a function of supporting the surface of the net 20 and a function of preventing the vertical and horizontal ropes 30 and 31 from coming off in cooperation with the regulation pin 54.
  • the lower restraint plate 51 may be in a form capable of bearing against the net 20, and the upper restraint plate 52 may have a structure that can prevent the ropes 30 and 31 from coming off in cooperation with the restriction pin 54.
  • the constraining plates 51 and 52 have the same annular shape. However, the planar shape of the constraining plates 51 and 52 is not limited, and may be rectangular.
  • the mooring roller 53 is a roller that is pivotally supported by the anchor 40 and has a mooring function for the vertical and horizontal ropes 30 and 31.
  • the mooring roller 53 has a sheave shape having an annular groove, but may have a uniform diameter without a groove.
  • the mooring roller 53 is provided so as to be rotatable in order to improve load transferability over the entire length of the vertical and horizontal ropes 30 and 31 and to reduce the frictional resistance between the mooring roller 53 and the vertical and horizontal ropes 30 and 31. is there.
  • restriction pin 54 has a function of preventing the vertical and horizontal ropes 30 and 31 from coming off in cooperation with the restriction plates 51 and 52.
  • the number of restriction pins 54 to be installed is appropriately selected according to the number of ropes moored, and it is sufficient that at least one restriction pin 54 is provided.
  • Anchor 40 is used for tensioning and fixing the support mooring device 50, and various known anchors such as a lock bolt, a ground anchor, and a rope anchor can be used.
  • various known anchors such as a lock bolt, a ground anchor, and a rope anchor can be used.
  • a configuration in which a lock bolt that is tightened with a nut 41 is applied as the anchor 40 will be described.
  • Anchor Work As shown in FIG. 4 (A), a plurality of anchors 40 are provided on the slope 10 where the float stones 11 and the like are scattered.
  • the number and length of the vertical and horizontal ropes 30 and 31 can be arbitrarily selected and the collapse prevention force can be partially adjusted according to the situation of the slope 10, so that the installation intervals of the anchors 40 are equalized. There is no need, and an appropriate interval according to the situation at the site may be used.
  • FIG. 5 shows the mooring portions of the vertical and horizontal ropes 30 and 31 and the supporting pressure mooring tool 50.
  • the vertical and horizontal ropes 30, 31 that are sequentially inserted and anchored in the insertion space 55 of the adjacent support mooring tool 50 are prevented from being detached by the anchoring roller 53, the restriction pin 54, and the upper restraint plate 52 that define the insertion space 55. Is done.
  • FIG. 6 shows a form in which both end portions of the vertical and horizontal ropes 30 and 31 are wound around the anchoring roller 53 of the bearing support anchor 50 attached to the anchor 40 at the outermost end and fixed by the clip 33.
  • the anchor 40 may be fixed directly.
  • the horizontal rope 31 when the horizontal rope 31 is moored to the bearing mooring tool 50, it is desirable to arrange the horizontal rope 31 on the slope mountain side of the anchor 40, that is, on the upper side of the mooring roller 53.
  • a load directed to the slope valley acting on the horizontal rope 31 can be efficiently transmitted to the anchor 40 via the mooring roller 53.
  • the crossing portion of the vertical and horizontal ropes 30 and 31 is moored to the anchor 40 via the support mooring tool 50 by a simple operation of simply inserting the vertical and horizontal ropes 30 and 31 into each of the supporting mooring tools 50. And can be fixed.
  • the net and the rope are fixed to the slope at the same time.
  • the stability of the slope 10 is secured by performing the fixing work of the net 20 in advance, so that the subsequent retrofitting work of the vertical and horizontal ropes 30 and 31 can be performed in a safe environment within a short time. Can be done efficiently.
  • the support mooring tool 50 serves as both the fixing tool for the net 20 and the anchoring tool for the vertical and horizontal ropes 30 and 31, there is no need to use two types of fixing tools separately as in the prior art.
  • the net 20 covered in the protection range of the slope 10 is fixed to the plurality of anchors 40 via the support pressure mooring tool 50 and routed on the surface side of the net 20.
  • the vertical and horizontal ropes 30 and 31 for reinforcement are also fixed to the plurality of anchors 40 via the supporting pressure mooring tools 50.
  • the net 20 and the vertical and horizontal ropes 30 and 31 obtain a reaction force from the anchor 40 and restrain the slope 10 to prevent the floating stone 11 and the like from falling.
  • the slope 10 covered with the net 20 and the vertical and horizontal ropes 30 and 31 is constrained by being divided into a plurality of units with a range surrounded by four supporting pressure moorings 50 adjacent in the vertical and horizontal directions as a unit. . Further, the vertical and horizontal ropes 30 and 31 are moored to the supporting pressure mooring tools 50 so that a load acting on a part of the ropes can be transmitted over the entire length of the ropes. Accordingly, the load generated in a specific section is supported by being distributed to the plurality of anchors 40 beyond the specific section, and the load acting on a part of the specific vertical and horizontal ropes 30 and 31 through the net 20 is specified.
  • the vertical and horizontal ropes 30 and 31 can be distributed and transmitted over the entire length of the rope, and finally the vertical and horizontal ropes 30 and 31 can be distributed and supported by all anchors 40, so that a specific section of the net 20 is surrounded.
  • the load burden of each anchor 40 is greatly reduced.
  • the slope 10 collapses in comparison with the conventional netting method in which not only the net but also the rope is prevented from transmitting the load at the place where the anchor is fixed. Deterrence increases.
  • the plurality of ropes are arranged so as to intersect with each other in the oblique direction. May be.
  • a plurality of ropes may be attached to the surface of the net 20 in a crossing direction.
  • only one of the vertical and horizontal ropes 30 and 31 may be installed.
  • the net 20A includes a net body 21 such as a high-strength turtle shell metal net, It is comprised by the vertical rope 30 previously attached to the right-and-left both-sides edge of this net
  • the wire of the side edge part which comprises the net main body 21 is wound around the vertical rope 30 and connected, but may be connected using a separate connecting material, and the net main body 21 and the vertical rope 30 may be connected. There are no particular restrictions on the means.
  • Anchor work A plurality of anchors 40 are provided on the slope 10 on which rocks or the like are scattered.
  • net coating work The nets 20A with the vertical ropes 30 are laid in the vertical direction in the protection range of the slope 10, and the butt portions of the side edges of the adjacent nets 20A with the vertical ropes 30 are wound. It is connected by a connecting material 22 such as an attachment wire to give continuity to the net 20A.
  • a supporting mooring tool 50 is installed on the head of the anchor 40 that protrudes through the net 20, and a plurality of locations of the net 20 are fixed to restrain the slope 10.
  • the support mooring tool 50 is installed on the head of the anchor 40 protruding from the side edge of the net 20A, and a plurality of locations of the net 20A are fixed to the slope 10.
  • the supporting mooring tool 50 is fixed across the adjacent vertical ropes 30 and 30 at the abutting portion of the side edge of the net 20 ⁇ / b> A with the adjacent vertical ropes 30.
  • the horizontal rope 31 is routed on the surface of the net 20 ⁇ / b> A while being moored to each supporting mooring device 50 installed on the head of the anchor 40.
  • the end of the rope 31 is fixed in the same manner as in the previous embodiment, and the horizontal rope 31 is retrofitted to the surface of the net 20A.
  • the retrofitting work of the rope may be only the horizontal rope 31. Therefore, the workability of the retrofitting work of the rope is further improved as compared with the case where the vertical and horizontal ropes 30, 31 are retrofitted. Get better.
  • Collapsing prevention action A restraining and supporting action of the slope 10 by the cooperation of the net 20 and the vertical and horizontal ropes 30 and 31, a part of the horizontal rope 31 for supporting and anchoring the load so that the load can be transmitted over the entire length of the rope. 50 is adjusted according to the risk of collapsing depending on the location of the slope 10 by appropriately selecting the load dispersion supporting action by mooring to 50 and the number and arrangement direction of the lateral ropes 31 as appropriate.
  • the adjustment operation of the collapse deterring force is the same as that of the above-described embodiment, and thus the description thereof is omitted.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Devices Affording Protection Of Roads Or Walls For Sound Insulation (AREA)
  • Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)

Abstract

L'invention vise à améliorer l'efficacité de travail et à améliorer la sécurité de travail, à réduire la charge pour l'ancre et le câble après la construction, et à porter rapidement et économiquement, entièrement ou en partie, une pente. A cet effet, selon l'invention, une ancre de support (50) qui a tout à la fois une fonction de fixation de charge d'un filet (20) et une fonction d'ancrage d'une pluralité de câbles (30, 31) est utilisée. Après la fixation du filet (20), qui recouvre une pente (10), à l'aide de l'ancre de support (50), les câbles (30, 31) sont disposés parmi la pluralité d'ancres de support (50) pour un renfort. Tout en transmettant la charge agissant sur une partie des câbles (30, 31) sur la totalité du câble, la charge est portée par la dispersion de celle-ci parmi une pluralité d'ancres (40).
PCT/JP2014/000363 2013-02-12 2014-01-24 Structure de protection et procédé de protection pour pente WO2014125773A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020157019737A KR102243531B1 (ko) 2013-02-12 2014-01-24 사면 보호구조 및 보호방법

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013-024463 2013-02-12
JP2013024463A JP5358028B1 (ja) 2013-02-12 2013-02-12 斜面の保護構造および保護方法

Publications (1)

Publication Number Publication Date
WO2014125773A1 true WO2014125773A1 (fr) 2014-08-21

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PCT/JP2014/000363 WO2014125773A1 (fr) 2013-02-12 2014-01-24 Structure de protection et procédé de protection pour pente

Country Status (3)

Country Link
JP (1) JP5358028B1 (fr)
KR (1) KR102243531B1 (fr)
WO (1) WO2014125773A1 (fr)

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EP2848738A1 (fr) * 2013-09-13 2015-03-18 Tokyo Rope Mfg. Co., Ltd. Structure du filet et procédé de fabrication d´une telle structure
WO2018161130A1 (fr) * 2017-03-06 2018-09-13 Real Innovations Australia Pty Ltd Système de sécurité pour toit, pente, paroi et nervure
JP2019214862A (ja) * 2018-06-12 2019-12-19 前田工繊株式会社 複合繊維部材の製造方法、方形部材、及び箱状部材

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WO2015151025A1 (fr) * 2014-03-31 2015-10-08 Geoprotection S.R.L. Fil constitué d'acier à haute résistance, en particulier pour des filets de protection destinés à une utilisation géotechnique
JP6576138B2 (ja) * 2015-07-21 2019-09-18 ライト工業株式会社 斜面安定化構造体及びそれに用いられる拘束部材ならびに斜面安定化工法
KR200483991Y1 (ko) * 2016-06-07 2017-07-17 주식회사 성화휀스 앵커보호형 낙석방지시설
KR101706561B1 (ko) * 2016-09-26 2017-02-14 박병수 보수가 가능한 낙석 방지망
KR101735756B1 (ko) * 2016-11-14 2017-05-15 최재학 낙석방지장치 및 이에 적용되는 결속부재
JP6823769B2 (ja) * 2019-03-27 2021-02-03 日本植生株式会社 落石防止具および落石防止工法
JP2021017683A (ja) * 2019-07-17 2021-02-15 北陽建設株式会社 既設吹付法面に対する補修工法
KR102122768B1 (ko) * 2019-08-05 2020-06-15 나재술 사면 보강용 와이어넷 조립체 및 이를 이용한 공법
KR102260139B1 (ko) * 2020-11-24 2021-06-03 뉴그린창신 주식회사 낙석방지망 고정구
KR102260130B1 (ko) * 2020-11-24 2021-06-03 뉴그린창신 주식회사 낙석방지망 고정구 및 이를 활용한 낙석방지망 시공 방법
KR102567907B1 (ko) * 2022-06-10 2023-08-18 문연주 사면 낙석 방지장치
KR102642929B1 (ko) * 2023-05-09 2024-03-14 주식회사 한국구조물안전연구원 구조물의 유지관리와 점검을 위한 개방형 낙하물 및 조류 방지 구조

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JPH07300820A (ja) * 1994-05-09 1995-11-14 Tokyo Seiko Co Ltd 落石等の密着式防護網工法とそのロープ・網アンカー構造
DE10207781A1 (de) * 2001-04-25 2002-11-21 Schmitt Oliver Vorrichtung zum Befestigen von Schutznetzen gegen Steinschlag an Hanglagen
JP2009203681A (ja) * 2008-02-27 2009-09-10 Purotekku Engineering:Kk 落石防止構造と落石防止方法
JP2011084890A (ja) * 2009-10-14 2011-04-28 Yuzo Sakamoto 落石防護工におけるワイヤロープの張力保持方法

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2848738A1 (fr) * 2013-09-13 2015-03-18 Tokyo Rope Mfg. Co., Ltd. Structure du filet et procédé de fabrication d´une telle structure
WO2018161130A1 (fr) * 2017-03-06 2018-09-13 Real Innovations Australia Pty Ltd Système de sécurité pour toit, pente, paroi et nervure
JP2019214862A (ja) * 2018-06-12 2019-12-19 前田工繊株式会社 複合繊維部材の製造方法、方形部材、及び箱状部材

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KR20150115742A (ko) 2015-10-14
KR102243531B1 (ko) 2021-04-21
JP2014152551A (ja) 2014-08-25
JP5358028B1 (ja) 2013-12-04

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