Zhao city bridge weighs An Jiqiao again, be located on the river of county of Heibei province Zhao, over or across is on 37 meters many wide river range, because bridge body uses stone building entirely, place says to do " big Shi Qiao " . By famous artisan the design builds Shi Lichun, be apart from already had 1400 old histories today, it is current world on existent the 2nd early, save the most complete ancient time sheet stone arch bridge of Kong Chang shoulder. 1991, zhao city bridge is by make choice of of society of American civil engineer dozenth " milepost of international civil engineering " , carry in bridge north east side was built " historic site of history of international civil engineering " bronze medal is monumental. Bridge of city resembling Zhao such open shoulder arch bridge, europe just appears to 19 centuries metaphase, later than our country full more than 1200 years. Zhao city bridge is in 1400 old in, experienced flood 10 times, 8 times chaos caused by war is mixed for many times earthquake, especially Xing stage produced 7.6 class earthquake on March 8, 1966, zhao city bridge is apart from an epicenter to have 40 much kilometers only, was not destroyed, cogongrass of famous bridge expert says with rising, first without giving thought to the internal composition of the bridge, can exist with respect to it only 1400 showed everything for years. The architect of Zhao city bridge, li Chun designs stone arch the calm arch of arch, bridge floor gradient is gently, still solved sedimentation be out of shape problem. Even arched arch means what arch crosses high with arch to compare already under 1 than 5, to arch circle carrying capacity and stability are huge test. Creativity ground used Li Chun to install the gimmick of 4 small push without using one's hands on big spandrel. Lowered bridge body self-prossessed, raised sluicing area. Span is as long as of 37 meters of arc advocate arch be able to firm chiliad does not fall. The practice of small push without using one's hands is set on old push without using one's hands, it is the world more bridge history initiate. | | |