On April 5th, led by Zhang Huiming, director of the office of Beijing Gemstone Art Technology Co., Ltd., the reporter walked into the concert hall of the National Grand Theatre under construction. The first thing I saw was the dense scaffolding. After many twists and turns, when standing at the top of the scaffold, the whole picture of the concert hall ceiling is displayed in front of us.
According to Zhang Huiming, the ceiling shape of the concert hall of the National Center for the Performing Arts is very unique. It changed the inherent pattern of people's habits and adopted an extremely bold and exaggerated design. The suspended ceiling area of the concert hall is 1.268 square meters, which consists of 1.64 "slabs" with different shapes and ups and downs. The material is GRC, that is, glass fiber reinforced cement. The material thickness of the "plate" is 24 mm, which requires orderly arrangement and accurate workmanship. It is not allowed to delete or supplement at will, and the gaps between "plates" are required to be uniform. 164 "plates" are combined together, like waves of the sea, like cascading mountains, and like abstract sculptures hanging in the air. The visual effect is very shocking.
It was observed that the "board" fluctuated from 40 cm to 60 cm, and its appearance was round and smooth. After hoisting, the die seam is 4 cm and the longitudinal seam is 8 cm, and the gap between each "block" is very regular.
Small enterprises dare to meet challenges According to Lu Jianjun, deputy general manager of Beijing Gemstone Art Technology Co., Ltd., Andrew selected samples provided by many manufacturers to meet the requirements of acoustic reflection. In February 2004, he visited Gem Art and Technology Company. He was very excited when he saw GRC stone-like artistic sculpture made of cement and stone powder with polystyrene board in female die. He thinks this is the product expected by the ceiling effect of the concert hall of the National Grand Theatre. Therefore, he decided to entrust Beijing Gem Art Technology Co., Ltd. to provide ceiling materials for the concert hall. At the same time, Andrew also put forward the requirement that the products provided by Beijing Gemstone Art Technology Co., Ltd. should be completely consistent with the design samples. With such strict requirements, all the staff of Beijing Gem Art Technology Co., Ltd., under the leadership of Zhang Baogui, established the working policy of "ensuring the Grand Theatre at all costs". Finally, relying on the working attitude of Excellence and the spirit of continuous innovation, we overcame many difficulties, which lasted 14 1 day. On March 24, 2006, the contract was completed 10 days ahead of schedule, and its rapid progress and excellent effect were recognized by the construction unit and other construction units.
Innovation Regardless of the size of the enterprise, Beijing Gemstone Art Technology Co., Ltd. is a private technology enterprise specializing in the research and development of patented recycled stone technology. At first, a group of rural women in Changping, Beijing started from scratch, and with the help of hoeing and pinching corn, they just started the art of architectural sculpture. After nearly 20 years' efforts, the works of "Gem Art" have entered many large-scale buildings such as Diaoyutai State Guesthouse, China National Museum and Beijing International Conference Center, and some of them have even been collected by China Art Museum and the World Bank.
Beijing Gem Art Technology Co., Ltd. is good at exploring and inventing new technologies in practice. Take the suspended ceiling project of the concert hall of the National Grand Theatre as an example. According to Yang Zong, an engineer of the company, the biggest problem before them after receiving the order is that this product has no precedent, no specification and no information to refer to. At the same time, as a world-famous building, the requirements are particularly high. In this case, the staff of "Gem Art" first deepened the design according to the design samples provided by Andrew, and made their own calculations without reference materials, and finally made a large mold. Then, according to the progress of the construction unit, it was produced and transported to the site until it was completed on March 24, without any mistakes.
Speaking of this process, Yang Zong engineers repeatedly stressed: "The biggest experience is standardization. Specification is the key to building engineering. First of all, we standardized the drawings, regarded the ceiling products as building components, and improved the production technology, including the ratio of sand and cement, all according to the calculated data. Only when all the links are fully implemented can our products reach high standards in terms of time schedule and construction quality.
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