辽宋金时期京津冀地区城市空间形态与群体格局

Beijing-Tianjin-Hebei’s Urban Morphology and Pattern in Liao Song and Jin Period

辽宋金时期,京津冀地区修筑了大量防御功能优越的城市与堡寨。城市多为重城结构,规模与形态依行政等级序列有差,并出现多个名闻天下的园林城市。堡寨多散布于辽金、辽宋边界两侧。因受多重因素影响,如强降水和强地震频繁且广布、黄河等河流数次改道与决口、区域经济和水陆交通较为发达、战争多发等,城市频繁重建与摧毁,个别城市升降兴废明显,但总体呈现多极中心城市群并存,趋向以中都为核心向四周辐射的模式。

During the period of the Liao,Song and Jin Dynasties,a large number of cities and the forts with excellent defense function were built in the Beijing-Tianjin-Hebei region.The city has multiple walls and the scale and form of the chengchi(城池)were different according to the administrative rank sequence.There were many famous garden cities and landmarks.The forts were scattered on both side of the border between Lao and Jin or Lao and Song.Influenced by heavy rainfall and strong earthquakes occurred frequently and widely,the Yellow River,i.e.changed it’s course and burst several times,regional economies,developed transportation and the impact of wars and so on,cities were rebuilt and destroyed frequently.Some individual cities were prosperity and decline obviously.Urban development trend is from the multi center urban agglomeration of the middle turns to the core of ambient the radiation pattern,pave the way for the establishment of the national political center city.