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Armorwire Wire Rope Barrier System

Introduction

The Armorwire Test Level 3 – 3 Wire Rope and Test Level 4 – 4 Wire Rope Barriers have been tested to the guidelines in NCHRP 350 for longitudinal cable barriers. When installed correctly the system will allow an errant vehicle to be stopped, contained or redirected in a safe manner.

Features

  Tested to NCHRP 350 TL-3 and TL-4
  Exceptionally good vehicle control and behaviour
  Can be used in either edge of road or median application
  Easily installed and low maintenace
  Small amount of components in system make up
  Easily repaired after impact
  Designed and manufactured in New Zealand
  Low cost patented technolody

 

Specifications

  All posts are hot dip galvanised (white podwercoating optional)
  Wire Rope - 19mm 3 x 7 strand, pre-stretched by 35%
  Cable heights (to the centre) as per the technical drawings
  Typical line post footing piles are 300 diameter x 750mm (0.05m3)
  Length of need is met at Post 5 (where post 1 is the trigger post)
  Posts 2 - 5 are spaced at 2m (LoN to the trigger post)

 

Standards and Approvals

Armorwire Wire Rope Barriers have been designed and tested to meet the evaluation cirteria of NCHRP 350 Test Level 3 and 4.

Test Level 4 - 4 Rope Armorwire only has been accepted by NZTA for use on New Zealand State Highways.

 

Technical Drawings

For technical drawings of Armorwire Wire Rope TL-3 - 3 and TL-4 -4 Wire Rope Barrier go to the Installation & Product Manual or the Technical Drawings section of the website.

 

Crash Test Results

Crash test deflection results - test barrier length 130m including terminal ends

Crash test

2000 kg pickup truck at 100kph at 25' angle

Post spacing

3.0

Deflection

1.54 m

8000 kg truck at 80kph at 15' angle 3.0 1.1 m

 

 


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