[Yi, Lingzhi] Univ South China, Sch Civil Engn, Hengyang, Hunan, Peoples R China.
[Zou, Zenghui; Deng, Xianjun] Univ South China, Dept Commun Engn, Hengyang, Hunan, Peoples R China.
[Ding, Dexin] Univ South China, Sch Environm Protect & Safety Engn, Hengyang, Hunan, Peoples R China.
[Deng, Xianjun] St Francis Xavier Univ, Antigonish, NS, Canada.
[Yang, Laurence T.] St Francis Xavier Univ, Dept Comp Sci, Antigonish, NS, Canada.