Ren, Q., 2020. Analysis of influencing factors of railway bridge construction cost in coastal regions. In: Qiu, Y.; Zhu, H., and Fang, X. (eds.), Current Advancements in Marine and Coastal Research for Technological and Sociological Applications. Journal of Coastal Research, Special Issue No. 107, pp. 185-188. Coconut Creek (Florida), ISSN 0749-0208.

With the rapid development of national economy, the important role of transportation is gradually reflected. Therefore, there is an urgent need to build a railway bridge between the two sides of the Taiwan Strait and the land island. This long-span bridge will be greatly affected by the marine environment. With the urgent needs of economic development, the cross sea railway bridge project will become the future field of bridge development, which requires us to do a good job in project cost. Project cost control is the focus of the whole project, which is an important decision-making role of the whole project investment. However, the marine environment has complex and changeable climate environment, strong corrosive characteristics of sea water, complex geological conditions, etc., which will have an important impact on the project cost. Combined with the actual situation of Pingtan Strait highway railway bridge, this paper analyzes the impact of marine environment on the cost of railway bridge project. Finally, this paper puts forward some suggestions to control the project cost.

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