Barbara
Thanks for the information. We will probably go with a numerical
simulation of a 'carpet' profile and we have now found software to do
that.
On 19 Oct 00, at 23:04, Ostrom,Barbara wrote:
> The LAW PCS, the Technical Support Services Contractor Long-Term Pavement
> Performance Program, is contracting with UMTRI (Steve Karamias)to develop a
> pavement smoothness index for long wave impacts of trucks at WIM locations.
> The inputs to the index are longitudinal 25 mm profiles for 152 m sections
> which are taken along the wheel path and on either side of it. Transverse
> profile measurements are only done as a part of the acceptance of newly
> constructed pavements. Please see the draft data collection protocol at the
> LTPP website
> http://www.tfhrc.gov/pavement/ltpp/spstraffic/index.htm
> We expect to be collecting data using to the protocol by the end of the
> year. If you wish further information on the study or access to the data
> please contact Larry Wiser ([log in to unmask]).
>
> -----Original Message-----
> From: Eugene OBrien [mailto:[log in to unmask]]
> Sent: Wednesday, October 18, 2000 6:21 AM
> To: [log in to unmask]
> Subject: Transverse road profiles
>
>
> 3-D Road Profile
>
> We are preparing a computer model of truck runs on a short
> (100m) stretch of pavement and would like to allow for the effect of
> transverse variations in the truck position in the tracks. We would
> welcome information/references on typical relationships between
> closely spaced parallel road profiles. Alternatively, typical road
> profile data in 3-D would solve the problem.
>
> Eugene OBrien
> Professor of Civil Engineering, University College Dublin, Ireland
>
Eugene
Department of Civil Engineering, University College Dublin,
Earlsfort Terrace, Dublin 2, Ireland
Tel: +353-1-706 7341 Fax: +353-1-706 7399
Visit our website - http://www.ucd.ie/~civileng/
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