LL 20/12/16. - Blue in Sherpa: Author's Pre-print: question mark archiving status unclear Author's Post-print: green tick author can archive post-print (ie final draft post-refereeing) Publisher's Version/PDF: cross author cannot archive publisher's version/PDF General Conditions: Publisher's version/PDF cannot be used Author's post-print only on open access repository, institutional repository or Research Gate Must link to publisher version at ASCE Civil Engineering Database (http://cedb.asce.org) Publisher copyright and source must be acknowledged, - Accepted v requested (Maurice), 25.1.17-MMM