Chen, G.; Wang, Q., and Ma, Y., 2020. Influence of the water state on mechanical properties of port sand. In: Hu, C. and Cai, M. (eds.), Geo-informatics and Oceanography. Journal of Coastal Research, Special Issue No. 105, pp. 190–194. Coconut Creek (Florida), ISSN 0749-0208.

With the development of China's economy, the role of marine transportation is gradually strengthened. The foundations of port buildings or transportation bridges comprise soil. The stability of foundation soil seriously affects the stability of coastal buildings. Especially in the northern region, the freezing or melting state of water causes great damage to the port superstructure. In spring, thawing and settlement of that soil will cause structure settlement, even causing cracking and collapse. It is necessary to study the influence of the water state on the engineering properties of foundation soil in port area. This paper takes the port sand as the research object, through the experimental method, performs the freeze-thaw cycle loading to the different gradation port sand with a range of water content, and obtains its shear strength law under various engineering condition. The experimental results and conclusions have reference value for the design and construct of port buildings.