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RE: AASHTO Loadings

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Thor,

The MS-18 loading is the metric version of the HS-20 loading.
Total Truck weight = 72kip or 322kN
Lane load = 0.640klf with conc. Load of 18kip (for moment)
Or 9.34kN/m with conc. Load of 80kN (for moment)

You will find the detailed (english) version of the HS-20 loading in the
AASTHO standard specifications. Or Caltrans has created an almost
identical bridge design specification. Check
http://www.dot.ca.gov/hq/esc/techpubs/manual/bridgemanuals/bridge-design
-specifications/page/section3.pdf

A metric summary with axle layout you can find at
http://www.dotd.louisiana.gov/highways/project_devel/bridge/chapter3.pdf

I hope that helps,
Oliver Mueller, P.E. 
Bridge Engineer 
PARSONS 
565 Burbank Street
Broomfield, CO 80020
www.parsons.com 


************************************************************************
From: "Thor Tandy" <vicpeng(--nospam--at)telus.net>
To: "SEAINT" <seaint(--nospam--at)seaint.org>
Subject: AASHTO Loadings

Hi.  My turn to ask a favour :^)

Would someone be kind enough send me the wheel layout & loads for the =
AASHTO MS-18 loading?  I'm hunting the internet but haven't found the =
source yet.

Thanks

Thor A. Tandy P.Eng
Victoria BC
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