The Enlightenment on the Construction of Urban Infrastructure in China from Dujiangyan Irrigation Project

Abstract

Dujiangyan Irrigation Project promotes the sustainable development of economy and society in Chengdu plain, which plays an important ecological role and has great historical, cultural and social values. As an significant infrastructure, Dujiangyan project not only optimizes the river system distribution in Chengdu plain and improves the ecological living environment of Chengdu plain, but also grants Chengdu plain a rich connotation of water cultures, such as scientific concept of water management, advanced water-control techniques and the customs of loving water and protecting water. These are all the ecological wisdom of ancient urban construction. This essay summarizes the ecological and cultural wisdom of Dujiangyan irrigation project, its influences on the development and living environment of Chengdu plain. It not only provides some pretty enlightenment for rationality and moderation of urban infrastructure construction, also is an important reference of sustainable development. At the same time, this paper puts forward the importance of cultural relics in the process of sustainable development, which provides a new idea about the research on the future urban infrastructure.

Mechanism of Structural Damage in Low Permeability Coal Material of Coalbed Methane Reservoir under Cyclic Cold Loading

“…In this way, rocks experienced extremely high temperatures before being cooled down by the water. Under the influence of the extreme temperature fluctuation, rocks burst into small pieces and were much easier to be dug up [20]. In that case, the characteristics of thermal expansion and contraction of solids were applied to cause the expansion of rock cracks.…”