A gale of magnitude 8 is considered a gale in other places, but it is the normal state of the world to blow a wind of about 70 kilometers at the seaside. As this bridge is a channel bridge, such wind speed must have been taken into account in the initial design. Not only do we have to consider it, but there are still many redundancies in theory. The original design speed of the bridge can reach 190km/h, that is, the gale of 16 is much larger than the gale of magnitude 8 that killed him. How could it collapse? Let's follow the watermelon video creator? Uncle science rocket? Look at that.
The designer of Taco Ma Haixia Bridge is internationally renowned Leon? Moisa, who participated in the design of almost all large suspension bridges from the 1920s to 1930s. Therefore, when designing the Taco Ma Haixia Bridge, he was confident that he could make the suspension bridge thinner, lighter and longer than before, in other words, he could build a perfect bridge with less money.
As the third largest suspension bridge in the world, the construction process of Taco Ma Haixia Bridge is not simple at all. It took a lot of effort to support him at the beginning, and it took decades to get enough. After hearing the assurance from a famous designer, who else can design the bridge?
In order not to make a face, Moisa gave up the traditional 7.6-meter truss beam reinforcement, but used 2.4-meter ordinary steel beams on both sides of the bridge deck, and the failure was doomed. The first person who had a hunch was probably a bridge builder. Even if they just hang the center, they can feel the rhythm of the bridge being taken away, but under the authority of famous designers, they naturally won't explain more.
1 940 July1day, Taco Ma Haixia Bridge was successfully completed and opened to traffic.
1940165438+1On October 7th, the Taco Ma Haixia Bridge, which took decades to build, was successfully recycled by the earth.
I wonder how the famous designer Leon Moisef responded to this embarrassing situation? Is it ridiculed by the whole bridge design community? People don't know whether to laugh or regret.
Not all authority is beyond doubt. After all, authority figures are human beings. It is human nature to make mistakes. ? Everyone can make mistakes. In addition, from the designer's own point of view, strength is a kind of self-confidence, but without practical strength, sometimes it may just be a kind of conceit. Many times we are a little biased towards our own cognition, so don't stick to our own opinions, but also learn to accept others' opinions, further optimize the good ones and correct the bad ones. Always reflect on yourself to get an excellent self.