EP1668188A1 - Restraint system for carriageways - Google Patents
Restraint system for carriagewaysInfo
- Publication number
- EP1668188A1 EP1668188A1 EP03767497A EP03767497A EP1668188A1 EP 1668188 A1 EP1668188 A1 EP 1668188A1 EP 03767497 A EP03767497 A EP 03767497A EP 03767497 A EP03767497 A EP 03767497A EP 1668188 A1 EP1668188 A1 EP 1668188A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- restraint system
- posts
- guardrail
- attached
- post
- 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.)
- Granted
Links
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
- 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
- E01F15/0407—Metal rails
- E01F15/0438—Spacers between rails and posts, e.g. energy-absorbing means
-
- 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
- E01D19/10—Railings; Protectors against smoke or gases, e.g. of locomotives; Maintenance travellers; Fastening of pipes or cables to bridges
- E01D19/103—Parapets, railings ; Guard barriers or road-bridges
-
- 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
- E01F15/0407—Metal rails
- E01F15/0423—Details of rails
- E01F15/043—Details of rails with multiple superimposed members; Rails provided with skirts
Definitions
- the invention relates to a restraint system which has posts fastened to the floor and to the posts, with the inclusion of spacer elements, guard rail spars, according to the preamble of claim 1.
- the invention is therefore based on the prior art, the task of creating a light and inexpensive restraint system that meets the high safety requirements. This object is achieved by the invention of a restraint system according to claim 1.
- This restraint system consists of vertical posts with foot plates, which are attached to the structures.
- Horizontal safety elements as a handrail are connected to the posts.
- the guardrail spars are each connected to the posts via spacer or damping elements.
- the fastening by means of screws is simple, reliable and easy to assemble and repair.
- the upper damping elements consist of a steel profile in the form of an open '8'. These are attached to the posts and to the inner legs of the guardrail posts. This basic structure is designed in such a way that it can be easily modified according to the level of containment required locally.
- this restraint system can be used both on a median between two travel routes and on the edge of a travel route.
- the structure of the restraint system is simple and economical.
- the damping elements used perform their function reliably.
- the steel profiles of the damping elements can be rationally manufactured in large quantities at low cost. A very good starting behavior was achieved in practical tests.
- the underrun protection of the restraint system spacer elements which can also be damping elements, are provided on the lower guardrail spar, which are fastened to the posts and to the inner legs of the guardrail spar.
- the upper guardrail spars can be sensibly attached to the route at an average height Ho of 500 mm to 800 mm, preferably they are attached at an average height Ho of 600 mm to 700 mm.
- the lower guardrail spars can be sensibly attached to the route at an average height Hu of 130 mm to 370 mm, preferably they are attached at an average height Hu of 200 mm to 300 mm.
- a handrail can be provided on the restraint system according to claim 6, which is with the upper ends of the posts.
- this handrail can have an internal steel cable that is fixed to each post in order to bring about a better interaction of the posts in the event of an impact.
- the damping elements can consist of a special hollow profile made of steel or similar material.
- the shape of the special hollow profile can e.g. profiles that are similar to those that are open on the inside with 8 or 6 or 8 corners and / or these shapes.
- Figure 2 top view of a longitudinal section of the restraint system
- FIG. 1 Figure 3 front view of a longitudinal section of the restraint system
- the restraint system (1) shown in FIG. 1 consists of foot plates (10) anchored in the ground on the edge of a roadway or corresponding structures.
- the foot plates (10) are fastened to the roadway or corresponding structures by dowels (8).
- the vertical posts (4) are attached to the footplates.
- stiffening plates (9) are attached between the footplate (10) and the posts (4) on the side not facing the roadway.
- guardrail spars (2a, 2b) are formed from guardrails (wefts) placed one after the other, which have a U, W-shaped or similar configuration in cross section.
- the spacer or damping elements (3a, 3b) are attached horizontally (see Fig. 1) to the posts in their direction of action.
- Each post (4) consists of an I, C-shaped or similar profile (e.g. closed).
- the central web of the profile extends transversely to the guardrail spars (2a, 2b).
- the spacer or damping elements are screwed onto the roadway-side web or attached with other fastening means.
- Figure 2 shows the restraint system in a vertical view and Figure 3 shows the restraint system seen from the road in the direction of impact.
- the guardrail spars (2a, 2b) are, as previously described, fixed at two different heights Ho, Hu.
- the upper guardrail rail (2b) is preferably closer to the travel path than the lower guardrail rail (2a).
- the guardrail rails (2a, 2b) can, however, also be attached at the same distance from the road and the lower guardrail rail (2a) can be closer to the travel path than the upper guardrail rail (2b).
- the ratio of the distance Ao of the front of the upper guardrail strand (2b) from the post (4) to the distance Au of the front of the lower guardrail strand 2a to the post 4 is in a range between 3.0: 1 to 2.0: 1, preferably 2 , 57: first
- the upper and lower damping elements (3a, 3b) used on the upper and lower guardrail bars (2a, 2b) can be the same as well as different in terms of shape, size and rigidity.
- the upper guardrail beam (2b) When a vehicle crashes, the upper guardrail beam (2b) is contacted first. Depending on the impact energy, the first damping elements (3b) of the upper guardrail spar (2b) are deformed, which reduces impact energy.
- the posts (4) remain largely unloaded in this deformation phase.
- the upper guardrail spar is moved towards the posts (4) until the back / surface facing away from the track lies against the post (4) or the damping element is fully compressed. In this way, the post (4) remains largely without great force until then. Only in a second deformation phase does the force exert on the post (4).
- the guardrail function Only in a second deformation phase does the force exert on the post (4).
- the guardrail function however, remains in spite of a heavy collision load.
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
- Bridges Or Land Bridges (AREA)
- Road Signs Or Road Markings (AREA)
Abstract
Description
Claims
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/EP2003/010878 WO2005033414A1 (en) | 2003-10-01 | 2003-10-01 | Restraint system for carriageways |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1668188A1 true EP1668188A1 (en) | 2006-06-14 |
EP1668188B1 EP1668188B1 (en) | 2010-01-27 |
Family
ID=34400429
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03767497A Expired - Fee Related EP1668188B1 (en) | 2003-10-01 | 2003-10-01 | Restraint system for carriageways |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1668188B1 (en) |
AT (1) | ATE456704T1 (en) |
DE (1) | DE50312389D1 (en) |
WO (1) | WO2005033414A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106812086A (en) * | 2017-01-22 | 2017-06-09 | 合肥饰界金属制品有限公司 | Road guard-rail |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2067887A (en) * | 1933-01-14 | 1937-01-19 | Eugene V Camp | Road guard |
SE511275C3 (en) * | 1998-01-13 | 1999-09-06 | Bcc Ab | Raecke especially for roads and bridges |
ITTO980044A1 (en) * | 1998-01-19 | 1999-07-19 | Ilva Pali Dalmine S R L | IMPROVEMENTS TO A SEMI-RIGID ROAD BARRIER TO DISSIPATION OF THE IMPACT ENERGY WITH STRUCTURE CORRECTION. |
DE19907954B4 (en) * | 1999-02-01 | 2011-01-20 | Sps Schutzplanken Gmbh | Passive protection device |
-
2003
- 2003-10-01 WO PCT/EP2003/010878 patent/WO2005033414A1/en active Application Filing
- 2003-10-01 DE DE50312389T patent/DE50312389D1/en not_active Expired - Lifetime
- 2003-10-01 AT AT03767497T patent/ATE456704T1/en not_active IP Right Cessation
- 2003-10-01 EP EP03767497A patent/EP1668188B1/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO2005033414A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2005033414A1 (en) | 2005-04-14 |
ATE456704T1 (en) | 2010-02-15 |
DE50312389D1 (en) | 2010-03-18 |
EP1668188B1 (en) | 2010-01-27 |
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