US20080308779A1 - Resin Guardrail - Google Patents

Resin Guardrail Download PDF

Info

Publication number
US20080308779A1
US20080308779A1 US11/572,852 US57285207A US2008308779A1 US 20080308779 A1 US20080308779 A1 US 20080308779A1 US 57285207 A US57285207 A US 57285207A US 2008308779 A1 US2008308779 A1 US 2008308779A1
Authority
US
United States
Prior art keywords
base body
guardrail
guard plate
resin
ribs
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
US11/572,852
Other languages
English (en)
Inventor
Cheol Yu
Boo-Young Han
Won-Sik Chu
Soon-Yi Yoo
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WOORIELTECH Co Ltd
Original Assignee
WOORIELTECH Co Ltd
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 WOORIELTECH Co Ltd filed Critical WOORIELTECH Co Ltd
Assigned to YU, CHEOL, HAN, BOO-YOUNG, WOORIELTECH CO., LTD. reassignment YU, CHEOL ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: CHU, WON-SIK, YOO, SOON-YI
Publication of US20080308779A1 publication Critical patent/US20080308779A1/en
Abandoned legal-status Critical Current

Links

Images

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
    • E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
    • 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
    • E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
    • E01F15/02—Continuous barriers extending along roads or between traffic lanes
    • E01F15/04—Continuous barriers extending along roads or between traffic lanes essentially made of longitudinal beams or rigid strips supported above ground at spaced points
    • E01F15/0453—Rails of materials other than metal or concrete, e.g. wood, plastics; Rails of different materials, e.g. rubber-faced metal profiles, concrete-filled steel tubes

Definitions

  • the present invention relates to a resin guardrail, and more particularly, to a guardrail, wherein a guard plate is made of a resin to substantially have a honeycomb structure in cross section so that raw materials can be saved and the guardrail has a strength comparing favorably with that of a metallic guardrail, an impact to be applied to a driver upon collision of a vehicle against the guardrail can be maximally suppressed due to elasticity resulting from the properties of the material or the honeycomb structure, and driver's view can be secured upon driving at night by mixing a fluorescent material upon manufacture of the guard plate so that the guard plate emits light at night.
  • a guardrail is installed at the shoulder or center of a road to prevent a vehicle from coming off the road or to indicate the boundary of the road. It is required that upon collision of a vehicle against such a guardrail, the guardrail have a strength enough to prevent the vehicle from coming off a road as well as a function of absorbing an impact applied to the vehicle.
  • a conventional guardrail has a simple structure in which a metallic guard plate 2 is coupled to a guardrail post 1 and there is no additional shock-absorbing means, as shown in FIG. 1 , a large impact is applied to a vehicle that has collided against the guardrail, resulting in great damage to human life.
  • a guard plate of the conventional guardrail is made of a metal, there is a problem in that it may corrode during long-term use thereof in external environments. Therefore, the guard plate should be replaced at proper timing, resulting in increased maintenance costs.
  • a metallic guard plate is generally pressed in the form of a wave to reinforce its strength or to retain a certain degree of elasticity. This becomes a cause of a rise in costs due to increases in the number of manufacturing processes.
  • a primary object of the present invention is to provide a resin guardrail, wherein a guard plate of the guardrail is manufactured by extruding a resin so that it can be mass-produced, and the guard plate can also be manufactured into a desired shape without an additional process, resulting in reduced production costs.
  • Another object of the present invention is to provide a resin guardrail, wherein the inner structure of the guardrail is in the form of a honeycomb to have a superior strength in spite of the use of a resin, and a shock-absorbing capability is retained due to properties of the material itself in addition to such inner structure without supplement of an additional shock-absorbing means.
  • a further object of the present invention is to provide a resin guardrail, wherein a guard plate of the guardrail contains a fluorescent material so that it can be easily identified at night.
  • a resin guardrail including a post, a plurality of guard plates coupled to the post, and connection members for connecting the guard plates to one another.
  • Each of the guard plates of the guardrail is manufactured through extrusion.
  • the guard plate comprises a hollow base body that takes the shape of a wave in cross section to include a rear ridge protruding rearward and having a flat portion and a front ridge protruding forward.
  • the flat portion of the rear ridge and the front ridge are formed with first and second fastening holes, respectively, and the base body has solid portions for reinforcing regions with the first and second fastening holes formed therein.
  • the guard plate further comprises wavy ribs that are positioned within a hollow portion of the base body to connect upper and lower ends of the base body to each other and have the same sectional shape as the base body; and alternately arranged horizontal ribs for establishing connection between the wavy ribs and between the wavy ribs and inner surfaces of the base body.
  • guard plate may be extruded using a mixture of a resin and a fluorescent material or noctilucent material.
  • the guard plate of the guardrail according to the present invention has a sufficient capability of preventing a vehicle from coming off a road and simultaneously maximally suppressing an impact applied to a driver upon collision of the vehicle against the guardrail since the guard plate has high strength and elasticity even while minimizing the amount of use of a resin as a raw material. Further, the guard plate has an advantage in that it assists in securing driver's view at night since a self-luminous or light-receiving material is mixed with the raw material.
  • FIG. 1 is a view showing a configuration of a general guardrail.
  • FIG. 2 is an exploded perspective view of a resin guardrail according to the present invention.
  • FIG. 3 is a sectional view showing an assembled state of the resin guardrail of FIG. 2 .
  • Guard plate 100 Base body 110: Rear ridge 111: Flat portion 112: First fastening hole 120: Front ridge 121: Second fastening hole 130: Solid portion 140: Wavy rib 141: Horizontal rib
  • a guard plate that is a major part of a guardrail is made of a resin and has the following structure for reinforcing strength, which is a weak point of the resin, and enabling production thereof through extrusion.
  • each of the guard plates 10 has a hollow panel-like base body 100 .
  • the base body takes the shape of a wave in cross section as a whole and has one or more rear ridges 110 protruding rearward and one or more front ridges 120 protruding forward.
  • Each of the rear ridges 100 includes a flat portion 111 .
  • the flat portion 111 is formed with one or more first fastening holes 112 for use in fastening the guard plate to the post 20 by means of screws.
  • Each of the front ridges 120 is formed with second fastening holes 121 for use in fastening the connection members to the guard plates.
  • solid portions 130 are provided at regions where the first and second fastening holes 112 and 121 are formed, in a longitudinal direction of the guard plate 10 , thereby maintaining fastening strength.
  • a plurality of wavy ribs 140 are formed to connect upper and lower ends of the hollow portion.
  • Horizontal ribs 141 are also formed between adjacent wavy ribs and between the wavy ribs and inner walls of the base body.
  • the horizontal ribs 141 placed adjacent to each other in a fore and aft direction are arranged alternately so that a lattice configuration defined by the wavy ribs and the horizontal ribs becomes similar to a honeycomb configuration, thereby reinforcing the strength of the base body in a thickness direction. Therefore, the guard plate of the present invention has high strength by which it is prevented from being easily broken due to an impact applied thereto by a vehicle, and also has a shock-absorbing function resulting from lattice spaces 101 a defined by the wavy ribs and the horizontal ribs.
  • the guard plate upon manufacture of the guard plate, a proper amount of fluorescent material is mixed with a molten resin as a raw material, and stirring operations are performed several times to sufficiently mix the fluorescent material (or noctilucent material) with the resin. Then, the mixture is subjected to an extrusion operation. Accordingly, since the guard plate is made of the mixture of the fluorescent material or noctilucent material with the raw material, the guard plate emits light due to headlamps of a vehicle or provides self-luminescence using light, which has been absorbed in the daytime, at night. Thus, the guard plate assists in securing driver's view at night.
  • the post 20 can be made of a metal or resin. If the post is made of a resin, it is preferred that the post be insert-molded such that a metallic core 21 is embedded in the post to improve the strength thereof. It is also preferred that an anchor portion 22 to be positioned at a lower end of the post be made of a metal since it determines a force for supporting the post, and the anchor portion be then coupled to the post while penetrating through the post.
  • the guard plate of the guardrail according to the present invention has a sufficient capability of preventing a vehicle from coming off a road and simultaneously maximally suppressing an impact applied to a driver upon collision of the vehicle against the guardrail since the guard plate has high strength and elasticity even while minimizing the amount of use of a resin as a raw material. Further, the guard plate has an advantage in that it assists in securing driver's view at night since a self-luminous or light-receiving material is mixed with the raw material.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
  • Road Signs Or Road Markings (AREA)
  • Organic Insulating Materials (AREA)
  • Materials For Medical Uses (AREA)
US11/572,852 2004-07-28 2004-11-23 Resin Guardrail Abandoned US20080308779A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR1020040059066A KR100466411B1 (ko) 2004-07-28 2004-07-28 레진 가드레일
KR10-2004-0059066 2004-07-28
PCT/KR2004/003029 WO2006011700A1 (en) 2004-07-28 2004-11-23 Resin guardrail

Publications (1)

Publication Number Publication Date
US20080308779A1 true US20080308779A1 (en) 2008-12-18

Family

ID=35786419

Family Applications (1)

Application Number Title Priority Date Filing Date
US11/572,852 Abandoned US20080308779A1 (en) 2004-07-28 2004-11-23 Resin Guardrail

Country Status (9)

Country Link
US (1) US20080308779A1 (de)
EP (1) EP1799915B1 (de)
JP (1) JP4543082B2 (de)
KR (1) KR100466411B1 (de)
CN (1) CN100591852C (de)
AT (1) ATE474962T1 (de)
DE (1) DE602004028294D1 (de)
RU (1) RU2333309C1 (de)
WO (1) WO2006011700A1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160024731A1 (en) * 2013-03-05 2016-01-28 Jose Manuel Sanchez De La Cruz Traffic protection barrier for roads
CN106192816A (zh) * 2016-08-22 2016-12-07 代营伟 一种防碰撞高速公路护栏
US20180291576A1 (en) * 2017-03-03 2018-10-11 Caris Guard Rail Co., Ltd. Plastic guardrail
US10982086B1 (en) * 2019-07-23 2021-04-20 Caris Co., Ltd. Resin guardrail

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2315149B1 (es) * 2006-12-15 2010-03-16 Tomas Calvo Segado Barrera de proteccion para todas las vias de circulacion.
WO2008146969A1 (en) * 2007-05-25 2008-12-04 Ae-Dan Lee Safety guide rail
KR100897583B1 (ko) 2008-07-25 2009-05-14 김주영 운전자를 보호 및 시공이 편리한 안전 가드레일
KR101378546B1 (ko) * 2008-10-17 2014-03-27 김주영 운전자를 보호 및 시공이 편리한 안전 가이드레일
CN102535367B (zh) * 2012-01-19 2014-03-12 湖南金鸿科技工业股份有限公司 肋形护栏板
CN102535368B (zh) * 2012-01-19 2014-03-12 湖南金鸿科技工业股份有限公司 中空护栏板
CN102900036B (zh) * 2012-11-02 2017-02-08 卞乐平 高速公路缓冲防撞护栏
KR101312933B1 (ko) * 2012-11-12 2013-10-14 (주)제이피 플라스틱 가드레일
CN103835248B (zh) * 2012-11-27 2017-06-27 合肥杰事杰新材料股份有限公司 一种高速公路防护栏及其制备方法
CN104213525B (zh) * 2013-05-30 2016-12-28 陕西天地筑基新材料科技有限公司 一种复合材料智能型高速公路护栏
CN105908661B (zh) * 2016-05-31 2018-11-06 王翔 一种耐冲击耐腐蚀高速公路防护栏
KR101738549B1 (ko) * 2016-12-13 2017-06-08 (주)카리스가드레일 플라스틱 가드레일
CN109868774A (zh) * 2019-02-17 2019-06-11 张明霞 一种高速公路防撞拦装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3982735A (en) * 1972-11-23 1976-09-28 Fornells Gilbert P Dismantable and directable rail or balustrade
US5152507A (en) * 1991-01-17 1992-10-06 Rahnfong Lee Guard rail assembly for roads
US5456546A (en) * 1992-03-06 1995-10-10 Plastiroute S.A. Reflective bodies made of transparent material to be applied on traffic surfaces or traffic guiding surfaces
US6149134A (en) * 1998-10-01 2000-11-21 Wisconsin Alumni Research Foundation Composite material highway guardrail having high impact energy dissipation characteristics
US6533495B1 (en) * 2000-11-15 2003-03-18 Tim Lee Williams Impact absorbing barrier
US7090428B2 (en) * 2002-11-28 2006-08-15 Tecus Plasticos, S.L. Protector for safety rails

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60117133U (ja) * 1984-01-13 1985-08-08 中野　儀一 交通機関用部材
JPS6193514U (de) * 1984-11-19 1986-06-17
JPS61152014U (de) * 1985-03-08 1986-09-19
IT1254420B (it) * 1991-10-31 1995-09-14 Procedimento per la fabbricazione con il metodo pultrusionato di barriere di sicurezza (guard-rail).
JP3218694B2 (ja) * 1992-05-20 2001-10-15 東洋紡績株式会社 樹脂製衝撃吸収体
JP3629718B2 (ja) * 1994-03-30 2005-03-16 東洋紡績株式会社 樹脂製衝撃吸収ブロック
IT1269974B (it) * 1994-06-30 1997-04-16 Filling Italiana Srl Uso di pacchi costituiti dall'unione di una pluraita' di fogli in materiale plastico sagomati in rilievo, per la realizzazione di barriere di protezione ad assorbimento d'urto in particolare per circuiti automobilistici o motociclistici
JPH1018257A (ja) * 1996-07-02 1998-01-20 Eiki Yanagisawa 段階衝撃吸収材
FR2751998B1 (fr) * 1996-08-05 1998-09-11 Soc D Diffusion Lorraine Sodil Barriere de securite pour voie de circulation
ITPD20010093A1 (it) * 2001-04-17 2002-10-17 Vittorio Pareti Struttura di guardrail
JP2003041540A (ja) * 2001-07-30 2003-02-13 Sekisui Plastics Co Ltd 樹脂製保護柵
KR20030015563A (ko) * 2001-08-16 2003-02-25 (주) 대성공업 합성수지 피복 가드레일

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3982735A (en) * 1972-11-23 1976-09-28 Fornells Gilbert P Dismantable and directable rail or balustrade
US5152507A (en) * 1991-01-17 1992-10-06 Rahnfong Lee Guard rail assembly for roads
US5456546A (en) * 1992-03-06 1995-10-10 Plastiroute S.A. Reflective bodies made of transparent material to be applied on traffic surfaces or traffic guiding surfaces
US6149134A (en) * 1998-10-01 2000-11-21 Wisconsin Alumni Research Foundation Composite material highway guardrail having high impact energy dissipation characteristics
US6533495B1 (en) * 2000-11-15 2003-03-18 Tim Lee Williams Impact absorbing barrier
US7090428B2 (en) * 2002-11-28 2006-08-15 Tecus Plasticos, S.L. Protector for safety rails

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160024731A1 (en) * 2013-03-05 2016-01-28 Jose Manuel Sanchez De La Cruz Traffic protection barrier for roads
US10041218B2 (en) * 2013-03-05 2018-08-07 Jose Manuel Sanchez De La Cruz Roadway barriers impact detection system
CN106192816A (zh) * 2016-08-22 2016-12-07 代营伟 一种防碰撞高速公路护栏
US20180291576A1 (en) * 2017-03-03 2018-10-11 Caris Guard Rail Co., Ltd. Plastic guardrail
US10982086B1 (en) * 2019-07-23 2021-04-20 Caris Co., Ltd. Resin guardrail

Also Published As

Publication number Publication date
EP1799915B1 (de) 2010-07-21
EP1799915A4 (de) 2009-03-25
CN101023222A (zh) 2007-08-22
ATE474962T1 (de) 2010-08-15
KR100466411B1 (ko) 2005-01-13
RU2333309C1 (ru) 2008-09-10
EP1799915A1 (de) 2007-06-27
JP4543082B2 (ja) 2010-09-15
WO2006011700A1 (en) 2006-02-02
CN100591852C (zh) 2010-02-24
DE602004028294D1 (de) 2010-09-02
JP2008508452A (ja) 2008-03-21

Similar Documents

Publication Publication Date Title
US20080308779A1 (en) Resin Guardrail
KR100914928B1 (ko) 안전 가이드레일
CN101090842A (zh) 带吸能器的保险杠系统
KR101570108B1 (ko) 적재함 용량 증설용 프레임 어셈블리 및 이를 이용한 화물차
KR101080719B1 (ko) 카 스토퍼
WO2008146969A1 (en) Safety guide rail
KR200418578Y1 (ko) 금속 보강부가 형성된 합성수지 도로 경계석
US7401824B2 (en) Reinforced energy absorbing bumper
KR200387387Y1 (ko) 도로 경계석
JPH10244988A (ja) 浮 標
KR101378546B1 (ko) 운전자를 보호 및 시공이 편리한 안전 가이드레일
JP2006274627A (ja) 道路用合成樹脂製ブロック
CN213007644U (zh) 车辆侧护板结构以及车辆
US20180291576A1 (en) Plastic guardrail
KR102227549B1 (ko) 탄성 기둥
KR100702170B1 (ko) 차량용 알루미늄 리어 가드
JP7382094B1 (ja) 合成樹脂製の車止め
KR100825407B1 (ko) 사격용 표적판
KR101675913B1 (ko) 적재함 용량 증설용 프레임 어셈블리 및 이를 이용한 화물차
KR102035623B1 (ko) 도로용 가드레일의 연결구조
KR102008970B1 (ko) Pvc 강화용 기능성 안전 가이드레일
KR200187955Y1 (ko) 중앙 분리대
US11060255B2 (en) Anti-rotation water-ballasted protection barriers and methods
KR101097056B1 (ko) 도로용 방호벽
CN214695332U (zh) 一种防撞护栏

Legal Events

Date Code Title Description
AS Assignment

Owner name: WOORIELTECH CO., LTD., KOREA, REPUBLIC OF

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:CHU, WON-SIK;YOO, SOON-YI;REEL/FRAME:018822/0220

Effective date: 20070122

Owner name: HAN, BOO-YOUNG, KOREA, REPUBLIC OF

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:CHU, WON-SIK;YOO, SOON-YI;REEL/FRAME:018822/0220

Effective date: 20070122

Owner name: YU, CHEOL, KOREA, REPUBLIC OF

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:CHU, WON-SIK;YOO, SOON-YI;REEL/FRAME:018822/0220

Effective date: 20070122

STCB Information on status: application discontinuation

Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION