The City Military Defense System Of Sui And Tang Dynasty

During the age of cold steel in China, city was very effective against the war means. From the Qin Dynasty to the Sui and Tang Dynasties, the city had played an important role in the military. With the escalation of the war, offensive and defensive warfare city became increasingly frequent and intense, It not only urged the rulers of the city to build larger scale , but also forced them to step up reform of fortification technology to enhance the city at defense concept.The city by the Sui and Tang dynasties for thousands of years of development, had become a custom. Its typical was the construction of the Chang'an City and the Luoyang City of Sui dynasty, whose location, layout, scale, and many other factors all reflected China's economic, cultural, , technology and other aspects of the great scientific and technological progress. Especially after the establishment of the Tang Dynasty, economic prosperity and the strong force ensured the construction of military defense to expand the city for more step.Along with city construction standards, other military technologies were also assisted infusion as a lot of new content, such as metallurgy, machinery, manufacturing cars, water, mining and so on. They had been fully developed at this time, and had been integrated into the city use among military defense. From a military perspective, the city was a tactical offensive and defensive military technology. It was the basis of inheriting the former, and had a new leap forward in this period. The interaction of these technologies made an important contribution to improving the ability of the city at defense, and also reflected the depth of the people using and changing the nature.