HVM Crash Testing Standards Explained Regulations Evaluating Impact Performance Publicly Available Standard (PAS 68 Latest version 2013 UK based threat vehicles Likely withdrawn 2018 ASTM F2656 Latest Version 2015 North America threat Vehicles Superseded DOS or SD/STD2.01 IWA14-1 Latest version 2013 Includes all-world threat vehicles contained in PAS 68 & ASTM F2656 Due for review 2017 Regulations Evaluating Impact Performance Publicly Available Standard (PAS 68 Latest version 2013
UK based threat vehicles Likely withdrawn 2018 CEN CWA 16221:2010 European Workshop agreement Combines elements of PAS 68 & PAS 69 ASTM F2656 Latest Version 2015 North America Three Vehicles Superseded DOS or SD/STD2.01 IWA14-1 Latest version 2013 Includes all-world threat vehicles contained in PAS68 & ASTM F2656 Due for review 2017 Current HVM Standards ASTM F2656-15 US standard issued by ASTM (American Society for Testing & Materials) Updated in 2015 Replaces SD/STD2.01 Rev A, US Department of State Standard
K Ratings no longer exist replaced by vehicle categories C, P, M, H PAS 68:2013 UK standard prepared in conjunction with CPNI / BSI Recently undergone 2nd update Updated in 2015 IWA14-1:2013 World Standard prepared in conjunction with CPNI /BSI with input from US Department of State Combines aspects of ASTM & PAS 68 All these tests can be conducted at a variety of impact speeds PAS 68:2013 6 Vehicle Categories Impact Speed 16-112km/h Penetration measured from REAR edge of product structure Product given performance rating made up from:1 2 3 4 5 6 Vehicle Impact
Vehicle Mass (class) Impact Speed Impact Angle Penetration Debris Dispersal Example performance classification: PAS 68:2013 Bollard V/7500(N2)/80/90:0.0/3.6 ASTM F2656-2015 Superseded DOS standard and K ratings 6 Vehicle Categories Impact Speed 48-100km/h Penetration measured from REAR edge of product structure and given a P rating 1,2 or 3 Product given performance rating made up from:1 2
3 Vehicle Category Impact Speed (mile/h) Penetration Rating Example performance classification: A classification of Test Method F2656 M50-P1 is equivalent to DOS K12 Test method F2656 C7:50-P3 IWA14-1 2013 9 Vehicle Categories Impact Speed 16-112km/h Debris measurement is omitted in performance classification, although recorded in full report. Penetration measured from FRONT edge of product structure Product given performance rating made up from:1 2 3
4 5 Vehicle Impact Vehicle Mass (class) Impact Speed Impact Angle Penetration Example performance classification: IWA14-1:2013 Bollard V/7500[N2A]/80/90:0 Comparing Product performance codes: PAS 68:2013 1 2 3 4
K8-65 (40mile/h) 64 Impact Energy (kj) 1185 1108 1174 1108 1138 Impact Speed (km/h) High Test Speed Not permitted 80 (50 mile/h) 80 (50 mile/h) K12-80 (50 mile/h) 80 1679 1778
1679 1778 Impact Energy (kj) Understanding the performance criteria VSB datum line Key 1 = Direction of impact 2 = VSB datum line (the point from where penetration of the vehicle is measured) 3 = Bollard 4 = Gate / rising/swing arm barrier 5 = Planter 6 = Road Blocker 7 = Ditch 8 = Bund/ Berm 9 = Wall PAS 68 IWA 14-1 & ASTM F2656 Understanding the performance criteria The Vehicle Datum Point
Key 1 = Vehicle Datum Point M1 & N1G vehicles; reference line passing through the centre of the A-pillars at the lowest point of the windscreen. N1,N2 or N3 day cab vehicles: reference line intersecting the load bed and the headboard Understanding the performance criteria How penetration is measured IWA 14-1 PAS 68 0 Key 1 = Vehicle Security Barrier / test item 2 = VSB datum line 3 = Vehicle datum point 4 = Vehicle penetration distance 5 = Major debris 6 = Major debris distance 7 = Indication of change in position of penetration measurement FAQ / Misconceptions regarding vehicles / tests My client wants an ASTM K12 test K ratings have never existed in ASTM. K ratings were superseded in 2007 by the introduction of ASTM 2656. The Department of State K12 should correctly be referred to as an ASTM M50. What is the equivalent of an ASTM M50 test in PAS68/IWA14-1? The closest equivalent test is V/7500(N3)/80/90 or IWA14-1:2013 V/7200[N3]/
80/90. This is N3 (18T rated vehicle massed to 7500kg or 7200kg) at 80km/h and 90deg. What is the difference between an IWA14-1, ASTM and PAS68 tests? In addition to the vehicle dimensions and impact energy variances, there is a difference in test conditions. Under ASTM the product must be installed into a low cohesive compacted soil. PAS68 does not define and installation configuration. IWA14 describes both in soil or site specific/rigid installation. Does the introduction of IWA14-1 obsolete or negate previous testing standards? No, IWA 14-1 does not negate or obsolete testing carried out to the PAS 68 or CWA 16221 criteria. IWA 14-1 is a progression of these testing standards and combines elements of the ASTM standard & PAS 68 to produce a cohesive standard.
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