[Explanation] Recently, Zhang Yadong, a college student in Shenqiu County, Henan Province, used his free time to build his own real-life miniature model of the "train kingdom" in his vegetable plot, and photographed the "high-speed rail" flying through the "mountain" and crossing the "bridge" Wait for short videos to become popular quickly. He believes that learning research does not have to be conducted in the laboratory.
Zhang Yadong introduced that his "train kingdom" is divided into three phases. From the end of April to August 3, the project progressed to the second phase. Six “bridges” have been erected and more than 70 meters of “railroad tracks” have been laid.
[Concurrent period] (University student Zhang Yadong) The first phase of the project is mainly to find some data and find some methods for construction. The second phase of the project is mainly a two-track electrified railway, see if we can build it; the first bridge is a cable-stayed bridge with a single tower, and the second bridge is an arched bridge between two canyons. The third one is at the forefront and the most important. It is a road-rail bridge with a length of 18.5 meters. At present, this is the case for the second phase project planning.
[Explanation] Zhang Yadong, who liked to play with models since childhood, is currently studying industrial robot application in a college in Zhengzhou. When he was out, he was shocked when he saw the No.1 Beipan River Bridge at the junction of Yunnan and Guizhou. Coupled with ample university time, in my spare time, I started construction at a reduced proportion of my own vegetable plot.
[Contemporary] (University student Zhang Yadong) How to accurately position and erect this bridge is also more difficult. Later, I thought of various methods to pull the wire, hang a plumb on it, and slowly find some data. Then give accurate positioning.
[Explanation] The bridge has been erected, but the scaled down "high-speed rail station" and "railway" have problems in actual operation. In response to this problem, Zhang Yadong introduced that in a documentary, he found the answer and adopted a full-line bridge approach to solve it.
[Concurrent period] (University student Zhang Yadong) had no experience at the beginning, laying the track directly on the ground would easily overturn. It is also more difficult to pave the foundation of the railway station. When it is repaired to the front of the railway station, the drop is getting bigger and bigger. Then I watched a documentary on the Internet, the Qinghai-Tibet Railway, which was said to have been encountered during its construction. The problem, their solution is to use bridges instead of roads. For example, if you encounter a place with a great drop, you don't need a roadbed, that is, bridges are built across the line (rail tracks) onto the bridge. I found it difficult to derail when debugging a train.
[Explanation] Zhang Yadong believes that the most important thing to go to college today is to study and research, and some research and learning do not have to be conducted in the laboratory. After the short video he posted became popular, some people supported it, while others opposed it.
[Concurrent period] (College student Zhang Yadong) Sometimes you are in the field of science, and three points of hard work don't necessarily give you a point. The careers of college students are also more recommended (study and research). Not only are you able to conduct some research in the laboratory, but if you can make good use of your time in your spare time, you can research some relatively new things and be innovative. Things are also more meaningful. Going to school depends on learning and research.
Reporter Li Chaoqing reports from Shenqiu, Henan
Editor in charge: 【Zhou Chi】