1. School of Architectural and Surveying & Mapping Engineering, Jiangxi Univ. of Science and Technology, Ganzhou, Jiangxi 341000, China (corresponding author).
2. School of Highway, Chang’an Univ., Xi’an, Shaanxi 710064, China.
3. School of Architecture Engineering, Jiangxi College of Applied Technology, Ganzhou, Jiangxi 341000, China.