austroads webinar-development of national mass ......• department of planning, transport and...
TRANSCRIPT
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Development of National Mass Assessment Procedures for Oversize Overmass Vehicles12 December 2017
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Today’s moderator
Eliz EstebanCommunications OfficerAustroads
P: +61 2 8265 3302E: [email protected]
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About Austroads
The peak organisation of Australasian road transport and traffic agencies
• Roads and Maritime Services New South Wales
• Roads Corporation Victoria
• Department of Transport and Main Roads Queensland
• Main Roads Western Australia
• Department of Planning, Transport and Infrastructure South Australia
• Department of State Growth Tasmania
• Department of Transport Northern Territory
• Transport Canberra and City Services Directorate, Australian Capital Territory
• Commonwealth Department of Infrastructure and Regional Development
• Australian Local Government Association
• New Zealand Transport Agency
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Housekeeping
Webinar = 35 mins
Question time = 15 mins
+ =
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GoToWebinar
Please type your questions here
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Austroads report
Download from Austroads Website:
www.onlinepublications.austroads.com.au/items/AP-R555-17
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Today’s presenters
Anthony GermanchevTeam Leader, Heavy VehiclesAustralian Road Research Board (ARRB)P: +61 3 9881 1620E: [email protected]
Philip RoperSenior Engineer, Freight & Heavy VehiclesAustralian Road Research Board (ARRB)P: +61 3 9881 1599E: [email protected]
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Agenda
Topic PresenterProject Background and Introduction
• Problem, Aim and Scope Anthony GermanchevTesting - The Site and VehiclesTesting - The Weighing Manoeuvres
Philip RoperField Test ResultsMass Measurement Adjustments
• New Weighing GuidelinesQ&A Both Presenters
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Project Background and IntroductionAnthony Germanchev
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Introduction to team
Austroads Project ManagerWarwick Norton
Project Leader, ARRBAnthony Germanchev
Team Member, ARRB Philip Roper
Austroads Project Working Group
Stakeholders-Road and Traffic
Authorities
Austroads Freight Task Force
Austroads Board
Project Team Review Team
Team Member, Smedley’s EngineersLydia Chong
Team Member, Smedley’s Engineers Bob Wright
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The Project Team
Brett PattersonRMS NSW
Andrew Poole
DSG Tas
Eric HendersonVicRoads
Mike Wilde
DPTI - SA
Paul MottMR WA
Lindsay Locke
TMR QLD
Jed GraetzDIPL NTAustroads
Project Working Group
Ben Hubbard
TCCS ACT
Marinus La Rooij
NZTA
Jeff PotterNTC
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Project Background: Problem
Roadside weighing guidelines (Austroads 2005) only deal with conventional heavy vehicles, not Oversize Overmass (OSOM) combinations
See Section 1
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Project Background: Aim
To produce:
• Guidelines for assessing mass of OSOM vehicles at the roadside
• Mass Measurement Adjustment (MMA) figures and calculation processes
See Section 1
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Project Background: Scope
• Organise and conduct field trial, weighing a set of four vehicles at a roadside inspection site
• Analyse data
• Determine MMA
• Develop guidelines for weighing and use of the MMA
See Section 1
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Testing - The Site and Vehicles Anthony Germanchev
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Test site
Cunningham Hwy, Yamanto, QLD
Source: Google Maps
See Section 5
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Test site
Cunningham Hwy, Yamanto, QLD
See Section 5
Source: ©Nearmap (2017), ‘Yamanto QLD 4305’, map data, Nearmap, Sydney, NSW.
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Test site
Weigh site category specifications
• Category 1 is the flattest and includes weighbridges
• Category 2 is steeper, with more crossfall allowed
• Category 3 is steeper and has no crossfall limit
See Section 5.1
Weighing category Longitudinal gradient Transverse gradient Unevenness (mm)
Category 1 2% (up to 100 mm) 3% (up to 105 mm) 10
Category 2 3% (up to 150 mm) 5% (up to 175 mm) 20
Category 3 5% (up to 250 mm) No limit (up to 175 mm) 50
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Test site
Cunningham Hwy, Yamanto, QLD
See Section 5
Source: ©Nearmap (2017), ‘Yamanto QLD 4305’, map data, Nearmap, Sydney, NSW.
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Test vehicles
Four combinations:
See Section 4
Between
67 t and
95 tgross mass
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Test vehicles
Combination 1 – 2x4 dolly and 4x4 low loader (mech.)
See Section 4
Prime mover, 2x4 dolly, 4x4 low loader, mechanical trailer and dolly suspension
Source: ARRB (2017)Source: Drake Trailers (2017)
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Test vehicles
Combination 2 – 2x4 dolly and 4x4 low loader (hydraulic)
See Section 4
Prime mover, 2x4 dolly, 4x4 low loader, hydraulic trailer suspension, mechanical dolly suspension
Source: Drake Trailers (2017) Source: ARRB (2017)
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Test vehicles
Combination 3 – 2x8 dolly and 4x8 low loader (hydraulic)
See Section 4
Prime mover, 2x8 dolly, 4x8 low loader, hydraulic trailer suspension, no dolly suspension
Source: Drake Trailers (2017) Source: ARRB (2017)
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Test vehicles
Combination 4 – 6x8 load platform (hydraulic)
See Section 4
Prime mover, 6x8 load platform, hydraulic suspension on load platform
Source: Drake Trailers (2017) Source: ARRB (2017)
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Testing – The Weighing ManoeuvresPhilip Roper
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Field tests
Staged weighing using scales and blocks
• Fully blocked weighing raises allaxles onto either scales or blocksof scale height
• Partially blocked weighing raisesall axles of one vehicle unit(e.g. prime mover or a trailer)
• Unblocked weighing raises only the axles that areon scales. Unblocked A weighs one axle at a time,Unblocked B weighs two axles at a time.
See Section 6.2
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Field tests
Staged weighing using scales and blocks
• Fully blocked weighing raises allaxles onto either scales or blocksof scale height
• Partially blocked weighing raisesall axles of one vehicle unit(e.g. prime mover or a trailer)
• Unblocked weighing raises only the axles that areon scales. Unblocked A weighs one axle at a time,Unblocked B weighs two axles at a time.
See Section 6.2
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Field tests
Staged weighing using scales and blocks
• Fully blocked weighing raises allaxles onto either scales or blocksof scale height
• Partially blocked weighing raisesall axles of one vehicle unit(e.g. prime mover or a trailer)
• Unblocked weighing raises only the axles that areon scales. Unblocked A weighs one axle at a time,Unblocked B weighs two axles at a time.
See Section 6.2
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Field tests
Staged weighing using scales and blocks
• Fully blocked weighing raises allaxles onto either scales or blocksof scale height
• Partially blocked weighing raisesall axles of one vehicle unit(e.g. prime mover or a trailer)
• Unblocked weighing raises only the axles that areon scales. Unblocked A weighs one axle at a time,Unblocked B weighs two axles at a time.
See Section 6.2
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All performed three times
Weighing sequence for each vehicle
Fully blocked performed seven times
Partially blocked performed four times
Unblocked weighing performed seven times
All performed for each weigh site category
Field tests See Section 6.2
162 weighing manoeuvres per vehicle
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Field Test ResultsPhilip Roper
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Combination 1
Results See Section 8.1
Category 1 weigh site
Fully blocked Partially blocked
Unblocked A Unblocked B Weighbridge
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Combination 1
Results See Section 8.1
Category 2 weigh site
Fully blocked Partially blocked
Unblocked A Unblocked B Weighbridge
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Combination 1
Results See Section 8.1
Category 3 weigh site
Fully blocked Partially blocked
Unblocked A Unblocked B Weighbridge
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Combination 2
Results See Section 8.2
Category 1 weigh site
Fully blocked Partially blocked
Unblocked A Unblocked B Weighbridge
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Combination 3
Results See Section 8.1
Category 1 weigh site
Fully blocked Partially blocked
Unblocked A Unblocked B Weighbridge
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Combination 4
Results See Section 8.1
Category 1 weigh site
Fully blocked Partially blocked
Unblocked A Unblocked B Weighbridge
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Combination 1
Results See Section 8.1
60.0
62.0
64.0
66.0
68.0
70.0
72.0
74.0
76.0
78.0
80.0
Cat 1 Cat 2 Cat 3
Ave
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bars
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Weigh Site Category
Fully blocked
Partially blocked
Unblocked A
Unblocked B
Weighbridge
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Mass Measurement Adjustments Philip Roper
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Current Mass Measurement Adjustments (MMAs)
See Section 10.1
Source: https://www.nhvr.gov.au/safety-accreditation-compliance/chain-of-responsibility/measurement-adjustment.
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New OSOM MMAs See Section 10.3
Mass Measurement Adjustments – Fully-blocked weighing or weighbridgeAxle group Site Category 1 Site Category 2 Site Category 3
Steer axle group
Single steer axle with single tyres 0.3 t 0.3 t 0.4 t
Twin-steer or tandem axle with single tyres or a combination of single and dual tyres 0.3 t 0.4 t 0.5 t
Drive axle group
Tandem axle group with dual tyres, or tri-axle group with dual tyres or a combination of dual and single tyres 0.5 t 1.0 t 1.0 t
Dolly mass
Single or tandem axle group or two lines of eight wheels each 0.5 t 1.0 t 1.0 t
Trailer mass
Any number of axles, any number of wheels per axle 3.0% 3.5% 3.5%
Combination mass
Any number of axles, any number of wheels per axle 1.5% 1.5% 1.5%
{Tonnes
{Percent
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New OSOM MMAs See Section 10.3
Mass Measurement Adjustments – Partially-blocked weighingAxle group Site Category 1 Site Category 2 Site Category 3
Steer axle group
Single steer axle with single tyres 0.3 t 0.3 t 0.4 t
Twin-steer or tandem axle with single tyres or a combination of single and dual tyres 0.3 t 0.4 t 0.5 t
Drive axle group
Tandem axle group with dual tyres, or tri-axle group with dual tyres or a combination of dual and single tyres 1.3 t 1.3 t 1.3 t
Dolly mass
Single or tandem axle group or two lines of eight wheels each 1.3 t 1.3 t 1.3 t
Trailer mass
Any number of axles, any number of wheels per axle 3.5% 4.5% 4.5%
Combination mass
Any number of axles, any number of wheels per axle 3.5% 3.5% 3.5%
{Tonnes
{Percent
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Recap
• OSOM vehicles can be weighed accurately
• Several moves will be needed to weigh a complete vehicle
• Measurements adjusted by tonnes or percentages, depending on what is weighed
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Questions?
Anthony GermanchevTeam Leader, Heavy VehiclesAustralian Road Research Board (ARRB)P: +61 3 9881 1620E: [email protected]
Philip RoperSenior Engineer, Freight & Heavy VehiclesAustralian Road Research Board (ARRB)P: +61 3 9881 1599E: [email protected]
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Thank you for participating