The Construction Method Of Sichuan Mountain Defense System In The Southern Song Dynasty

In the Song and Yuan war of more than 50 years,the late Song Dynasty constructed a large number of defensive mountains.Most of these mountain cities set up defences according to the risk of security,built up pools around the river and were along the river in series.It change a single city deployment strategy.From the point of view of the system,this passage link Sichuan mountainous area of the Southern Song Dynasty with system,getting the integrity,hierarchy,purposiveness,environmental suitability of defense system by analyzing.Secondly,with a view to the material components of the system,dividing the Mountain Defense System into two parts: natural environment and artificial masonry.At the same time,based on the system of military constitution,it will be divided into layers of Mountain Defense Zone,Mountain Defense Group,Monomer of the mountain cities.Around the relations of System and Environment,Elements and Environment,System and Death and Elements and Elements,discussing the location of mountain city in Sichuan Mountain Defense System,General and internal layout and Method for constructing inner monomer of mountain city etc..Finally,providing reference for study on the construction method of Sichuan Mountain Defense System in the Southern Song Dynasty through the analysis of the characteristics of the system.And fully realized the value and significance of mountain city to promote the overall protection of mountain city and protect the mountain city and its surrounding environment more perfect.