WO2018105821A1 - Installation de conduite d'eau pour empêcher les incendies dans des câbles de pont, et procédé de prévention d'incendie - Google Patents

Installation de conduite d'eau pour empêcher les incendies dans des câbles de pont, et procédé de prévention d'incendie Download PDF

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Publication number
WO2018105821A1
WO2018105821A1 PCT/KR2017/002813 KR2017002813W WO2018105821A1 WO 2018105821 A1 WO2018105821 A1 WO 2018105821A1 KR 2017002813 W KR2017002813 W KR 2017002813W WO 2018105821 A1 WO2018105821 A1 WO 2018105821A1
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WO
WIPO (PCT)
Prior art keywords
water pipe
fire
cable
pipe member
inlet
Prior art date
Application number
PCT/KR2017/002813
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English (en)
Korean (ko)
Inventor
김상구
Original Assignee
경기도
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 경기도 filed Critical 경기도
Publication of WO2018105821A1 publication Critical patent/WO2018105821A1/fr

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    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/02—Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C33/00—Hose accessories
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00—Structural or constructional details of bridges
    • E01D19/16—Suspension cables; Cable clamps for suspension cables ; Pre- or post-stressed cables

Definitions

  • the present invention relates to a fire protection technique, and more particularly, to a water pipe device and a fire protection method for preventing fire of a cable with a fire extinguishing liquid that is first blown out before the cable is broken due to the fire in order to extinguish the fire of the bridge cable early. will be.
  • the bridge is equipped with cables.
  • cables are installed in bridges such as cable-stayed bridges and suspension bridges as bridge structures.
  • the cable is embedded in a protective tube to protect the life of the cable.
  • the protective tube of the cable is a flammable material such as HDPE (High Density Polyethylene), so it is vulnerable to fire.
  • HDPE High Density Polyethylene
  • Cable fires on bridges can have a variety of causes, such as lightning strikes and oil overturns. It is almost impossible to prevent fires. Therefore, it is most important that the cable fire is put out early before the cable breaks.
  • the present invention has been created in view of the above-described prior art, and is installed along a cable to initially extinguish a fire of a cable of a bridge, and a water pipe device which is first blown out before the cable is cut by the fire and extinguish the fire. It is an object to provide a fire protection method.
  • a water pipe device for preventing the fire of the cable of the bridge, which is installed along the outer surface of the cable, and accommodates the extinguishing fluid therein, the fire extinguishing fluid is released when the fire occurs in the cable is released to prevent fire ;
  • a fixing member for fixing the installed water pipe to the cable at regular intervals.
  • the water pipe member has a funnel-shaped inlet through which an extinguishing liquid is introduced from the upper end of the water pipe member, and a lower end of the water pipe member is closed to accommodate the extinguishing liquid therein.
  • the water pipe member during initial installation, water is injected as the extinguishing liquid through the inlet port, and the injected extinguishing liquid is accommodated therein.
  • the water pipe member is replenished as a digestive liquid by rainwater flowing into the rain through the inlet.
  • the water pipe member, the antifreeze is injected into the winter through the inlet to prevent freezing.
  • the water pipe member is provided while spirally winding along the outer surface of the protective tube protecting the cable.
  • the protective tube is a combustible, high density polyethylene material, accommodates a cable iron core therein, is filled with wax, and the fire is prevented by the discharged extinguishing liquid.
  • the water pipe member has a flash point lower than that of the protection pipe so that the fire pipe member bursts before the protection pipe when a fire occurs.
  • the water pipe member has a flash point of 300 degrees or more and a flash point of the water pipe of 85 degrees or more.
  • a fire protection method for the water pipe device to prevent the fire of the cable of the bridge the step of installing a water pipe member for accommodating the extinguishing liquid therein along the outer surface of the cable; Fixing the installed water pipe with a cable at fixed intervals to form the water pipe device; And preventing the fire by releasing the extinguishing fluid contained in the water pipe when the fire breaks out of the cable.
  • the water pipe lower than the flash point of the cable protection pipe is blown out first, and the extinguishing fluid of the water pipe is released to prevent the fire of the cable from extinguishing or spreading at an early stage. can do.
  • the fire is prevented by the water pipe device, thereby securing the golden time, increasing the stability of the cable structure, preventing over-vibration, increasing job creation, and cost of social loss, and the installation cost is only 2.21%. The effect is expected.
  • FIG. 1 is a schematic configuration diagram of a water pipe apparatus according to an embodiment of the present invention.
  • FIG. 2 is an exemplary view of a cable of a bridge in which the water pipe apparatus of FIG. 1 is installed.
  • FIG. 3 is a cross-sectional view of the cable of the bridge of FIG.
  • FIG. 4 is an exemplary view of a water pipe apparatus installed in the cable of the bridge of FIG.
  • FIG. 5 is an exemplary view of an inlet formed at the top of a water pipe in which A of FIG. 4 is enlarged.
  • FIG. 6 is a schematic flowchart of a fire protection method of a water pipe device according to an embodiment of the present invention.
  • FIG. 1 is a schematic configuration diagram of a water pipe device 100 according to an embodiment of the present invention.
  • Water pipe device 100 is configured to include a water pipe 110 is installed in the cable and the band 123 for fixing the water pipe 110 to the cable.
  • the water pipe device 100 may be installed in an existing bridge.
  • the water pipe 110 is installed along the outer surface of the cable as the water pipe member of the present invention, and accommodates the extinguishing liquid therein. After the water pipe 110 is installed, if a fire of the cable occurs, as the temperature due to the fire rises, the water pipe 110 bursts, and the extinguishing fluid contained therein is released to prevent the fire.
  • the band 123 is fixed to the cable close to the water pipe 110 installed on the outer surface of the cable as a fixing member of the present invention.
  • the elastic band 123 may be positioned at regular intervals of the cable, and may maintain a fixing force by tightening the inner water pipe 110 and the cable with elastic force.
  • the water pipe apparatus 100 is installed in the cable, the golden fire is secured since initial fire suppression is possible for the fire of the cable. Since the water pipe device 100 is spirally installed on the cable, the bearing force of the shaking caused by rain and wind is increased to prevent over-vibration of the cable due to the cable structure stability. Job creation by water pipe installation construction and management is expected. In addition, the cost of installing the water pipe is about 2.2%, which is economical and efficient fire prevention cost, compared with the cost of social loss due to fire.
  • FIG. 2 is an exemplary view of the cable 220 of the bridge 200 in which the water pipe apparatus 100 of FIG. 1 is installed.
  • the bridge 200 corresponds to a cable-stayed bridge, a suspension bridge, and the like, supported by the tension of the cable 220.
  • the cable 220 is installed based on each main tower 210, and serves to support the lifting of the upper plate 230 corresponding to the bottom surface by the tension of the installed cable 220. That is, the top plate 230 may be supported upward while the load of the top plate 230 is evenly distributed through the cable 220 connected to the main tower 210.
  • FIG. 3 is a cross-sectional view of the cable 220 of the bridge 200 of FIG.
  • the cable 220 is formed by receiving a cable iron core 323 inside the pipe-shaped protective tube 321.
  • the protective tube 321 serves to protect the iron core 323 and extend the life.
  • the inner side of the protective tube 321 is filled with a wax 325 (petroleum wax) to reduce friction with the iron core 323.
  • the occurrence of fire in the cable 220 is caused by the HDPE which is a flammable high density polyethylene material of the protective tube 321. That is, the protective tube 321 made of a combustible material rather serves to spread the fire is to disconnect the cable 220 due to the fire. Furthermore, the wax 325 filled therein also makes it difficult to extinguish the fire and help the fire last.
  • FIG. 4 is an exemplary view of a water pipe apparatus 100 installed on the cable 220 of the bridge 200 of FIG.
  • the upper end of the cable 220 is fixed to the main shaft 210, the other end is fixed to the cable fixing portion 210 of the ground.
  • the water pipe 110 of the water pipe device 100 is installed as a spiral wrap around the outer surface of the protective pipe 321 of the cable 220.
  • Bands 120 are installed at predetermined intervals from the extension lines of the water pipe 110 and the protection pipe 321 installed, and each band 120 serves to tighten the water pipe 110 and the protection pipe 321 to be fixed.
  • the inlet of the funnel-shaped fire extinguishing liquid is formed at the top end 401 of the water pipe 110.
  • the digestive fluid filled through the inlet may be water and other extinguishing agents.
  • the bottom end 402 of the water pipe 11 is closed to accommodate the digestive fluid. That is, the water pipe 11 is supplied with water through the inlet port serves as a water bag.
  • the protection pipe 321 has a flash point of more than 300 degrees, the flash point of the water pipe 110 is more than 85 degrees, and in the event of fire, the water pipe 110 having a relatively low flash point is first affected by an elevated temperature. . As the water pipe 110 bursts, the water accommodated inside flows along the outer surface of the protection pipe 321 to prevent fire. If a fire already occurs, water is used to extinguish the fire. In addition, the protection tube 321 soaked in water lowers the temperature and changes to a non-combustible material serves to prevent fire.
  • FIG. 5 is an exemplary view of an inlet 500 formed at the top 401 of the water pipe 110 in which A of FIG. 4 is enlarged.
  • the inlet 500 formed in the shape of a funnel at the top end 401 serves to inflow of water and at the same time collects rainwater during rainy weather and flows into the water pipe 110. That is, every rainy season replenishes the digestive fluid inside the water pipe 110 through the inlet 500.
  • the water has economical efficiency, and the rainwater introduced into the water pipe 110 may naturally replenish the extinguishing liquid, thus maintaining the economical cost of management.
  • FIG. 6 is a schematic flowchart of a fire protection method of the water pipe device 100 according to an embodiment of the present invention.
  • the water pipe device 100 is installed in the cable 220 of the bridge 200.
  • the water pipe 110 is installed to spirally wrap the outer surface of the protective pipe 321 of the cable 220 (S611).
  • the top end 401 of the water pipe 110 located at the highest position from the ground has a funnel-shaped inlet 500 for injecting digestive fluid.
  • the water pipe 110, the bottom end 402 closest to the ground is closed so that the digestive fluid is received therein.
  • a band 120 of elastic material is installed for a fixed force at a predetermined interval between the water pipe 110 and the cable 220 in contact with each other (S613), and the band 120 is tightened (shrinkage) The water pipe 110 to the cable 220.
  • the rain inlet 500 serves to collect rainwater and flow into the rainwater, and the rainwater is replenished with a digestive fluid of the water pipe 110 (S631).
  • the water pipe 110 is required to be filled with digestive fluids at all times.
  • the antifreeze is injected into the water pipe 110 through the inlet 500 to prevent the water pipe 110 from freezing (S633).
  • the flash point of the water pipe 110 reaches 85 degrees due to the temperature rise, the water pipe 110 is blown out and the extinguishing liquid is discharged, and the released extinguishing liquid wets the cable 220 to prevent fire.
  • the flash point of the protection tube 321 of the cable 220 is 300 degrees, the water pipe 110 having a low flash point in case of fire is first blown.

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Ecology (AREA)
  • Forests & Forestry (AREA)
  • Bridges Or Land Bridges (AREA)
  • Laying Of Electric Cables Or Lines Outside (AREA)
  • Electric Cable Installation (AREA)

Abstract

La présente invention concerne une installation de conduite d'eau pour empêcher les incendies dans des câbles supportant un pont, et un procédé de prévention d'incendie. Selon un aspect, une installation de conduite d'eau destinée à empêcher les incendies dans des câbles d'un pont comprend : un élément de conduite d'eau, installé autour des surfaces extérieures des câbles et contenant un liquide d'extinction d'incendie, pour empêcher les incendies en évacuant le liquide d'extinction d'incendie, lorsqu'il est rompu en cas d'incendie, dans les câbles; et des éléments de fixation destinés à fixer la conduite d'eau installée aux câbles à des intervalles prédéterminés.
PCT/KR2017/002813 2016-12-06 2017-03-15 Installation de conduite d'eau pour empêcher les incendies dans des câbles de pont, et procédé de prévention d'incendie WO2018105821A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020160165361A KR101961099B1 (ko) 2016-12-06 2016-12-06 교량의 케이블의 화재를 방지하는 수관 장치 및 화재 방지 방법
KR10-2016-0165361 2016-12-06

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WO2018105821A1 true WO2018105821A1 (fr) 2018-06-14

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KR (1) KR101961099B1 (fr)
WO (1) WO2018105821A1 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111905299A (zh) * 2020-07-28 2020-11-10 周曼丽 一种斜拉索桥消防装置
CN112431133A (zh) * 2020-11-11 2021-03-02 中国建筑第八工程局有限公司 应用于桥梁及空间结构的耐火碳纤维拉索
CN112900245A (zh) * 2021-03-31 2021-06-04 长安大学 一种用于斜拉桥拉索的防火装置及其安装方法
CN114277661A (zh) * 2022-01-25 2022-04-05 中国矿业大学 一种悬索桥主缆索夹的防火装置
US11319723B2 (en) * 2011-07-13 2022-05-03 Ultimate Strength Cable, LLC Stay cable for structures
CN112900245B (zh) * 2021-03-31 2024-06-04 长安大学 一种用于斜拉桥拉索的防火装置及其安装方法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102483375B1 (ko) 2022-07-01 2022-12-30 사태형 소화탄

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05252639A (ja) * 1991-10-24 1993-09-28 Furukawa Electric Co Ltd:The 防災電力ケーブル線路
KR960008917Y1 (ko) * 1994-03-24 1996-10-10 이용충 케이블의 소화장치
JP2011064010A (ja) * 2009-09-17 2011-03-31 Giken Kanri:Kk Ｐｃ鋼材の耐火被覆構造およびその工法
KR20110091972A (ko) * 2010-02-08 2011-08-17 한정구 케이블용 화재진압장치
KR101610297B1 (ko) * 2016-02-15 2016-04-07 (주)월호정보기술 고압 전력선의 소화장치

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101306973B1 (ko) 2011-05-25 2013-09-09 안혜련 화재로부터 교량 케이블을 보호하기 위한 내화재를 구비한 교량 케이블 보호커버
WO2013055342A1 (fr) * 2011-10-13 2013-04-18 Utc Fire & Security Corporation Dispositif pour introduire un agent dans un système d'extinction d'incendie

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05252639A (ja) * 1991-10-24 1993-09-28 Furukawa Electric Co Ltd:The 防災電力ケーブル線路
KR960008917Y1 (ko) * 1994-03-24 1996-10-10 이용충 케이블의 소화장치
JP2011064010A (ja) * 2009-09-17 2011-03-31 Giken Kanri:Kk Ｐｃ鋼材の耐火被覆構造およびその工法
KR20110091972A (ko) * 2010-02-08 2011-08-17 한정구 케이블용 화재진압장치
KR101610297B1 (ko) * 2016-02-15 2016-04-07 (주)월호정보기술 고압 전력선의 소화장치

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11319723B2 (en) * 2011-07-13 2022-05-03 Ultimate Strength Cable, LLC Stay cable for structures
CN111905299A (zh) * 2020-07-28 2020-11-10 周曼丽 一种斜拉索桥消防装置
CN112431133A (zh) * 2020-11-11 2021-03-02 中国建筑第八工程局有限公司 应用于桥梁及空间结构的耐火碳纤维拉索
CN112900245A (zh) * 2021-03-31 2021-06-04 长安大学 一种用于斜拉桥拉索的防火装置及其安装方法
CN112900245B (zh) * 2021-03-31 2024-06-04 长安大学 一种用于斜拉桥拉索的防火装置及其安装方法
CN114277661A (zh) * 2022-01-25 2022-04-05 中国矿业大学 一种悬索桥主缆索夹的防火装置
CN114277661B (zh) * 2022-01-25 2023-12-29 中国矿业大学 一种悬索桥主缆索夹的防火装置

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Publication number Publication date
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KR20180064914A (ko) 2018-06-15

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