今天金大话教育网小编整理了四级英语作文赵州桥范文 关于赵州桥的英语作文相关信息,希望在这方面能够更好帮助到大家。
本文目录一览:
在赵州桥旅行的英语作文
I think I should summarize the holiday that I have spent firstly in Germany.It's very nice absolutely!I have visited my good friend in Dresden,she is a very pretty and friendly girl,and she have been in Germany for 5 to 6 years,a very long time here,much longer than me,so she can be a good guide to me,show me the magnificent of the old city.I was utterly absorbed in the cultur city.All the building there are definitly different from frankfurt's,the old church is great,the king's palace is historical and fantastich.The rivel there flow slowly,like the days there quietly. Ich denke ,dass ich das erstrn Reisen im Deuchland summieren soll.Eigentlich es ist sehr schoen.Ich habe meine Freundin im Dresden besucht,sie sind eine freudliche und nett maedchen,und sie habe 5 Jahre im Deuchland geblieben.Sehr lange Zeit leben sie hier,so sie kann mir gute Anleitung geben.
金大话英语培训网
关于赵州桥的英语作文
The Zhaozhou Bridge is about 50 m long with a central span of 37.37 m. It stands 7.3 m tall and has a width of 9 m. The arch covers a circular segment less than half of a semicircle (84°) and with a radius of 27.27 m, has a rise-to-span ratio of approximately 0.192 (7.3 to 37 m). This is considerably smaller than the rise-to-span ratio of 0.5 of a semicircular arch bridge and slightly smaller than the rise-to-span ratio of 0.207 of a quarter circle. The arch length to span ratio is 1.1, less than the arch-to-span ratio of 1.57 of a semicircle arch bridge by 43%, thus the saving in material is about 40%, making the bridge lighter in weight. The elevation of the arch is about 45°[1], which subjects the abutments of the bridge to downward force and sideways force.
The central arch is made of 28 thin, curved limestone slabs which are joined with iron dovetails. This allows the arch to adjust to shifts in its supports, and prevents the bridge from collapsing even when a segment of the arch breaks. The bridge has two small side arches on either side of the main arch. These side arches serve two important functions: First, they reduce the total weight of the bridge by about 15.3% or approximately 700 tons, which is vital because of the low rise-to-span ratio and the large forces on the abutments it creates. Second, when the bridge is submerged during a flood, they allow water to pass through, thereby reducing the forces on the structure of the bridge.
Li Chun's innovative spandrel-arch construction, while economising in materials, was also of considerable aesthetic merit. An inscription left on the bridge by Tang Dynasty officials seventy years after its construction reads:
“ This stone bridge over the Jiao River is the result of the work of the Sui engineer Li Chun. Its construction is indeed unusual, and no one knows on what principle he made it. But let us observe his marvellous use of stone-work. Its convexity is so smooth, and the wedge-shaped stones fit together so perfectly... How lofty is the flying-arch! How large is the opening, yet without piers!.. Precise indeed are the cross-bondings and joints between the stones, masonry blocks delicately interlocking like mill wheels, or like the walls of wells; a hundred forms (organised into) one. And besides the mortar in the crevices there are slender-waisted iron cramps to bind the stones together. The four small arches inserted, on either side two, break the anger of the roaring floods, and protect the bridge mightily. Such a master-work could never have been achieved if this man had not applied his genius to the building of a work which would last for centuries to come
关于赵州桥的英语作文,跪求
Zhaozhou Bridge was built in the Sui Dynasty (AD 581-618 years) the great cause of years (AD 605-618), Li craftsmen from well-known in the design and construction, have elapsed since the historic 1400 is the earliest existing in the world today, The most well-preserved ancient stone arch bridge open shoulder. Zhaozhou Bridge in 1961 by the State Council as the first batch of national key cultural unit. In 1991, the American Society of Civil Engineers-an Bridge will be selected for the first 12 months, "the history of international civil engineering landmark," and in the northern end of the bridge on the eastern side of the construction of the "international historic civil engineering history," bronze monument. Zhaozhou Bridge, also known as an economic bridge, located in Hebei Xiao Zhao Xian River, which is the world's existing first, to preserve the best of the great stone arch bridge, dating back 1,400 years of history has been praised as "one of the North China Sibao" . Built in the great cause of the Sui (605-618 AD) years, Li is well-known craftsmen in the construction. 64.40 meters long bridge, span 37.02 meters, 7.23 meters higher coupons, is the largest span in the world today, the earliest construction of single-shoulder open stone arch bridge. Both ends of the bridge due to shoulder its own two small holes, not really, that it is open-shoulder, which is the world's history of bridge-building to create a (no small arch over the shoulder or as the real-shoulder). On the bridge there are a lot of things, the type of large, rich and colorful.
以上,就是金大话教育网小编给大家带来的四级英语作文赵州桥范文 关于赵州桥的英语作文全部内容,希望对大家有所帮助!
免责声明:文章内容来自网络,如有侵权请及时联系删除。