WO2023216006A1 - Cylindre-coin spécial pour fortification de terrains avec boulons serre-câbles - Google Patents

Cylindre-coin spécial pour fortification de terrains avec boulons serre-câbles Download PDF

Info

Publication number
WO2023216006A1
WO2023216006A1 PCT/CL2023/050037 CL2023050037W WO2023216006A1 WO 2023216006 A1 WO2023216006 A1 WO 2023216006A1 CL 2023050037 W CL2023050037 W CL 2023050037W WO 2023216006 A1 WO2023216006 A1 WO 2023216006A1
Authority
WO
WIPO (PCT)
Prior art keywords
barrel
wedge
cable
special
fortification
Prior art date
Application number
PCT/CL2023/050037
Other languages
English (en)
Spanish (es)
Inventor
Henry Sandro MARTINEZ MARTINEZ
Mauricio Antonio Hidalgo Salgado
Fernando Ricardo Norambuena Sepúlveda
Original Assignee
Dsi Underground Chile Spa
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 Dsi Underground Chile Spa filed Critical Dsi Underground Chile Spa
Publication of WO2023216006A1 publication Critical patent/WO2023216006A1/fr

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21D—SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS
    • E21D21/00—Anchoring-bolts for roof, floor in galleries or longwall working, or shaft-lining protection
    • E21D21/008—Anchoring or tensioning means

Definitions

  • This utility model consists of a special barrel-wedge for land fortification with cable bolts, which has components that prevent its displacement from its installation position, either by being affected by vibrations in the ground or by the decrease in its gripping capacity of the steel cable due to the oxidation of its internal components due to exposure to humidity and/or water.
  • the main components that make up a cable bolt fortification system are: a steel cable, a steel plate perforated, and a barrel-wedge device. It is worth mentioning that the cable bolt fortification system can contain more than one steel cable, for which a barrel-wedge device corresponds to each cable, and the number of perforations in the steel plate will be equal to the number of cables in the system.
  • the IHS® company offers barrel-wedge devices for different diameters of steel cable, as can be reviewed on its website (https://ihs- aust.com.au/product/ihs-sinQle-use-reusable-wedqes/).
  • another company that offers barrel-wedge devices corresponds to the company barrels and wedges, indicated on its website as the barrel-wedge device (https://barrelsandwedqes.co.za/our-products/).
  • the barrel and wedge for fixing the barrel-wedge device to the steel cable and the perforated steel plate is a technology known to a person skilled in the art. According to the existing conditions at their installation site, they may suffer technical problems such as their displacement due to vibrations in the ground, and a decrease in their ability to grip the steel cable due to oxidation due to humidity and/or water, so The present development manages to overcome these problems.
  • the steel cable is introduced into a hole made in the ground, having a portion of the cable outside the hole to then install the perforated plate and the barrel-wedge device.
  • the plate is installed on the portion of the steel cable that is outside the hole, until it is in contact with the ground surface.
  • the barrel-wedge device is positioned, sliding it along the portion of the steel cable that is outside the perforation, pushing the perforated steel plate against the ground.
  • an action called cable tensioning is carried out using generally hydraulic equipment, which exerts a load on the barrel-wedge, tensioning the steel cable in the opposite direction to the direction of the applied load.
  • the cable is left with the tension applied by the gripping effect of the barrel-wedge device, ensuring the performance of the steel cable bolt against ground loads.
  • This system consists of a barrel-wedge device composed of a barrel and a wedge, and which incorporates a locking device that prevents displacement of the wedge in the event of vibrations in the ground, and insulating seals inside the device, which prevent exposure of internal components of the device to oxidation conditions due to the presence of humidity and/or water.
  • the special barrel-wedge device when installed as part of the fortification system with cable bolts, ensures: a) Preventing the displacement of the wedge in the event of possible vibrations in the ground.
  • the sweep device I- special wedge (1) for fortification of land with cable bolts is a device that has components that prevent the loss of load of the fortification system with cables that use the barrel-wedge assembly, maintaining the applied tension resulting from the action of the cable tensioning, and thereby ensuring performance over time. of the cable bolt in terrain with humidity and/or water conditions, and/or vibrations due to natural or induced seismic events in said terrain.
  • the special barrel-wedge device (1) for land fortification with cable bolts is composed of a barrel (2) and a wedge (3), and which additionally incorporates a locking device (5) and insulating seals inside the device, identified as upper insulating seal (10) and lower insulating seal (11).
  • barrel (2) and wedge (3) components are described, which are known elements used in barrel-wedge devices according to the state of the art.
  • the barrel (2) is a robust piece of various materials, preferably steel with a generally cylindrical exterior shape. It has a through perforation with one of its ends in a conical shape with compatible angles for the geometric adjustment of the wedge (3), and at its other end it has a surface that can be flat or hemispherical depending on the surface or support element. Additionally, and for its adjustment against the locking device (5), it incorporates an external machining (4) that generally forms a thread at one of its ends.
  • the wedge (3) is a piece divided into two or more longitudinal segments, made of various materials, preferably steel with a generally external shape. conical compatible with the interior angle of the barrel (2), with a through perforation for the passage of the steel cable, whose interior surface has a serration for grip against the pehmetral surface of the steel cable.
  • the components that characterize the special barrel-wedge device (1) correspond to the locking device (5) and the insulating seals, identified as the upper insulating seal (10) and the lower insulating seal (11).
  • the locking safety device (5) is a piece made of various materials, preferably steel, generally cylindrical with dimensions compatible with the geometry of the barrel (2). It has a central perforation (6) for the passage of the steel cable, in addition to having an annular space (8) on the inside that allows the upper insulating seal (10) to be housed.
  • the safety has an internal machining (7) that generally forms a thread for adjustment with the external machining (4) of the barrel (2).
  • the lock has flat faces (9) to facilitate tightening the lock against the barrel (2) manually or using a suitable tool, pressing the surface of the wedge (3) and preventing its displacement due to vibrations in the barrel. land.
  • the upper insulating seal (10) is an element that can be metallic, polymer or textile, shaped like a ring for the passage of the steel cable, and is installed in the annular space (8) of the locking device (5) remaining in contact with the base of the wedge (3).
  • the upper insulating seal (10) is deformed by the crushing pressure, generating a seal between the cable, the wedge (3) and the locking safety device. (5). This deformation of the seal protects the contact between the wedge (3) and the perimeter of the cable, preventing oxidizing agents from reducing the grip of the wedge (3) to the perimeter of the steel cable.
  • the lower insulating seal (11) is an element of material vapors, preferably resin, which can be injected into the interior of the special wedge barrel (1) through an injection opening (12), or positioned through the through perforation. of the barrel (2).
  • This element protects the contact between the wedge (3) and the perimeter of the cable, preventing oxidizing agents from entering through the through perforation of the barrel (2), reducing the grip of the wedge (3) to the perimeter of the steel cable.
  • the special barrel-wedge device (1) prevents displacement of the wedge (3) when it is fixed by tightening the locking device (5), and prevents the possibility of oxidation of the contact between the steel cable and the wedge. (3) thanks to the insulating seals, identified as the upper insulating seal (10) and the lower insulating seal (11) located inside the special wedge barrel (1).
  • FIGURE 1/2 is a diagrammatic representation of FIGURE 1/2

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Reinforcement Elements For Buildings (AREA)
  • Laying Of Electric Cables Or Lines Outside (AREA)

Abstract

L'invention concerne un cylindre-coin spécial pour fortifier des terrains avec des boulons serre-câbles, principalement dans des travaux miniers et des travaux civils qui nécessitent des excavations de terrain superficielles ou souterraines et qui nécessitent une stabilisation par l'intermédiaire de l'installation de systèmes de fortification. Du fait de la nécessité de disposer d'un dispositif cylindre-coin suffisamment résistant aux conditions d'humidité et/ou d'eau existantes dues à des infiltrations dans le terrain et/ou à des vibrations produites dans l'environnement, un cylindre-coin pour la fortification avec des boulons serre-câbles est présenté. Ce dispositif (1) est constitué d'un ensemble cylindre (2) et coin (3) qui comprend une sécurité de blocage (5) pour éviter le déplacement du coin face à d'éventuelles vibrations au niveau du terrain, et des joints isolants (10, 11), à l'intérieur de l'ensemble cylindre-coin, qui confèrent une protection hermétique et évitent l'exposition du coin aux conditions d'oxydation produites par la présence d'humidité et/ou d'eau.
PCT/CL2023/050037 2022-05-12 2023-05-05 Cylindre-coin spécial pour fortification de terrains avec boulons serre-câbles WO2023216006A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CL1240-2022 2022-05-12
CL2022001240 2022-05-12

Publications (1)

Publication Number Publication Date
WO2023216006A1 true WO2023216006A1 (fr) 2023-11-16

Family

ID=86771413

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CL2023/050037 WO2023216006A1 (fr) 2022-05-12 2023-05-05 Cylindre-coin spécial pour fortification de terrains avec boulons serre-câbles

Country Status (2)

Country Link
PE (1) PE20231267Z (fr)
WO (1) WO2023216006A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040076480A1 (en) * 2001-03-23 2004-04-22 Kuk-Il Kim Wedge assembly and internal anchorage using the same
CN210238292U (zh) * 2019-01-28 2020-04-03 杭州海伦铸钢有限公司 一种可自锁的锚具

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040076480A1 (en) * 2001-03-23 2004-04-22 Kuk-Il Kim Wedge assembly and internal anchorage using the same
CN210238292U (zh) * 2019-01-28 2020-04-03 杭州海伦铸钢有限公司 一种可自锁的锚具

Also Published As

Publication number Publication date
PE20231267Z (es) 2023-08-22

Similar Documents

Publication Publication Date Title
KR101648183B1 (ko) 보조 지주를 갖는 가드레일 구조물 및 그 설치방법
US20210396138A1 (en) Self-anchored opposite-pulling anti-impact anchor cable for sectional coal pillars and using method thereof
WO2023216006A1 (fr) Cylindre-coin spécial pour fortification de terrains avec boulons serre-câbles
KR20090110399A (ko) 선단마찰력이 강화된 마이크로파일
KR101484258B1 (ko) 에이치빔 변형방지용 스티프너
CN106968258B (zh) 基坑侧壁有隧道的基坑支护结构
JP4776569B2 (ja) マンホール設置安定化構造
US11255065B2 (en) Cover band of steel pipe strut connector, steel pipe strut connector having same, and steel pipe strut assembly
JP2010043453A (ja) マンホール浮上抑制装置
KR100635928B1 (ko) 공동주택 기초 흙막이 구조
Goris et al. Shear behavior of cable bolt supports in horizontal, bedded deposits
KR20050033595A (ko) 인장재 제거식 그라운드 앵커용 내부정착체
US10087598B1 (en) Counterfort retaining wall
JP2011162964A (ja) 地盤の補強構造及び地盤の補強工法
CN117090222A (zh) 一种复合式基坑支护桩
KR100733717B1 (ko) 사보강 강관 버팀보 연결구조
KR102225343B1 (ko) 네일 두부구속장치 및 이를 이용한 쏘일네일링공법
KR102191745B1 (ko) 흙막이 공사용 에이치빔 보강구
CN110424400A (zh) 一种用于型钢组合支撑的保力装置
KR100593182B1 (ko) 건축용 기초말뚝의 보강구조
KR100452154B1 (ko) 하천제방의 보호시설
CN109339835A (zh) 一种锚固体系及地下工程施工方法
CN215213501U (zh) 竖井可缩管路以及竖井可缩装置
KR200473397Y1 (ko) 지하 연속벽의 안정액 저장용 싸일로 탱크 커플링 장치
KR102625663B1 (ko) 흙막이용 가설 패널 구조체

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: 23730700

Country of ref document: EP

Kind code of ref document: A1