LL 13/9/17. --
Green 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 (Yang), 27.10.17-MMM