電大混凝土結(jié)構(gòu)設(shè)計原理形成性考核答案【最新(參考版)
2025-06-10 01:03本頁面
【正文】 an. Lou held a joint interview with 27 media, including China Daily, the first in a series of interviews entitled Chinese Media Along the Silk Road. The interviews will be in Shaanxi and Gansu provinces and the Xinjiang Uygur autonomous region, as well as Kazakhstan, Uzbekistan and Turkey. The media group held the first interview on Wednesday morning in Xi39。s public security bureau shows some 100 foreign visitors enjoyed the 72hour policy by the end of March, most of them from the United States, the United Kingdom and Germany. Chengdu also reported robust growth in its overall tourist industry last year. Official statistics show that it rece ived some 150 million tourists last year, an increase of 28 percent from 2021. Around million came from abroad, an increase of 12 percent. Total revenue from tourism surpassed 133 billion yuan ($). During his visit to Kazakhstan in September, Chinese President Xi Jinping proposed that China and Central Asia join hands to build a Silk Road economic belt to boost cooperation. The idea has been widely echoed in Central Asian countries, being an encouraging blueprint for Chinese areas along the Silk Road that has linked Asia and Europe for more than 2,000 years. In the next three weeks, China Daily reporters will travel through the belt in China and in Kazakhstan, Uzbekistan and Turkey. They will show the progress and expectations of the countries, businesses and peoples on the route. Shaanxi the start of the ancient Silk Road has positioned itself as the new starting point for the development of the Silk Road Economic Belt, which will strengthen China39。s ancient indigenous religion, while Du jiang yan is considered to be the oldest functioning watercontrol project in the world. Chengdu ranked third in tourist facilities, management and services among 60 Chinese cities in a customer satisfaction survey release d last year. But, Li added that efforts are still needed to develop more touris m products, improve English services and provide accurate translation of traffic signs and scenic billboards. Zhao Yun, chairwoman of British Chamber of Commerce Southwest China, told China Daily that his colleagues found the policy very convenient. A British client once flew here and stayed for just one day to check her ordered goods, she said. Zhao was born in Shanxi province, but she has lived in Chengdu for more than 10 years. My life was like a running race moving from place to place. I also lived in Beijing and Shanghai before, she said. But Chengdu is a place that you never want to leave once settling down. It is now my second hometown, she said. If the environment is further improved, the city will attract more people to visit and live, with the 72hour visafree policy and pelling conditions in transportation, culture, climate and cuisine, he said. Foreigners also gave positive feedback on the policy. A spokesman from Dell Inc said the pany has a global hub of operation in Chengdu, so the threeday visa has an immediate and positive influence on the pany39。s level of internationalization. The policy will also bring direct economic revenue, Li said. Chengdu has many cultural legacies and is also a paradise for panda lovers with the world39。 Visafree policy brings Chengdu biz, tourism boost. Making national headlines several times, Chengdu39。 （ 1）計算受壓區(qū)高度 x 2 000 2 dcdMx h h fb?? ? ? mmhmm b 8 55 1 6 22 0 101 6 1 05 1 0062????????????? （ 2）計算鋼筋數(shù)量 sA mmf bxfAsdcds ????? （ 3）選擇并布置鋼筋 選用 3 25（ )1473 2mmAs ? ，鋼筋布置如圖所示。 ① 若上述設(shè)計條件不能改變，試進行配筋計算。 四、 計算題 1．已知一矩形截面簡支梁，截面尺寸 b h=200mm550mm ，混凝土強度等級為 C25，縱向鋼筋采用 HRB335級，安全等級為二級，梁跨中截面承受的最大彎矩設(shè)計值為 M=160kN 3）偶然狀態(tài)。 2）短暫狀態(tài)。 見教材 P216220 6．公路橋涵按承載力極限狀態(tài)和正常使用極限狀態(tài)進行結(jié)構(gòu)設(shè)計，在設(shè)計中應考慮哪三種設(shè)計狀況？分別需做哪種設(shè)計？ 答：公路橋涵按承載
試題試卷相關(guān)推薦
鄂ICP備17016276號-1