On the afternoon of February 19, the National Speed Skating Hall successfully concluded the Winter Olympic Games. The "Ice Ribbon" ushered in the handover moment - in 12 competition days, a total of 12 Olympic records and 1 world record were set.
At that moment, Li Jiulin's heart had unspeakable excitement and ease. This feeling is like August 8, 2008, when 29 brilliant "footprints" walked from Yongdingmen to the "Bird's Nest", he breathed a long sigh of relief: We finally built the "Bird's Nest".
In 2008, Li Jiulin was in the "Bird's Nest".
Li Jiulin is the chief engineer of Beijing Urban Construction Group and the chief engineer of the National Speed Skating Hall. Despite his confidence in the construction of the venue, during the Winter Olympics, he would go to the venue every night as usual to feel its status up close. "All these years, everyone has been working hard for the operation, and at this time, the best state of the team is that there is nothing to do, which shows that the venue facilities are running normally."
In September 2003, Li Jiulin, who was only 35 years old, was appointed chief engineer of the construction of the "Bird's Nest". He used 45,000 tons of branch-like steel mesh to weave a stadium with a capacity of 100,000 people.
In 2018, the "veterans" who are good at gnawing "hard bones" once again put on the march and served as the chief engineer of the National Speed Skating Hall, the iconic venue of the Beijing Winter Olympics.
Li Jiulin was built at the National Speed Skating Hall.
With a length span of 198 meters and a short span of 124 meters, it is like a giant "canopy" cable net structure, covering about 80,000 square meters of venues, but the amount of steel used is only a quarter of the traditional roof; the 12,000 square meters of all-ice surface adopts the world's most advanced carbon dioxide transcritical ice making technology... Through the hands of Li Jiulin, a light and flowing "ice ribbon" appeared as scheduled.
Stadiums are to produce results, how to prove that a stadium is good? The Winter Olympics are the touchstone for testing the "ice ribbon". In the first few days of the competition, the National Speed Skating Hall was frequently reported, and the Olympic record was refreshed. In the end, 13 of the 14 minor competitions broke the record, one of which was created by Gao Tingyu, a player from the Chinese team.
In this regard, Li Jiulin said that this is both expected and unexpected. It is expected because, as the chief engineer, he knows how much technology is contained in this stadium and the ice surface, helping athletes to achieve good results, which is the long-awaited goal of everyone, and the unexpected is because it is surprising that breaking records is overwhelming.
During this time, he also received feedback on the "ice ribbon" from all sides. Whether it is the aesthetics of the building or the quality of the ice surface of the venue, all parties are very satisfied with the "ice ribbon" and praise is overwhelming.
Feel, breathe, remember, think, self-regulate... From the beginning of the design of the venue, the whole team was clear to create a smart venue. Li Jiulin said that the "ice ribbon" not only realizes the intelligent construction of the venue in the construction stage, but also realizes the intelligent operation through the intelligent integration and digital twin platform in the future operation stage. After the game, the "ice ribbon" will be built into an ice and snow sports center that integrates sports events, mass fitness, culture and leisure, exhibition and display, social welfare and other functions, and ordinary people are also expected to experience its wisdom in the venue.