【技术讨论】CCTV VS 大裤衩
实践中，Rem Koolhaas, part of CCTV building in Beijing redesigned by fire TZz, Architect's Rem Koolhaas’s, TVCC building which is part of the CCTV tower, called the "giant underpants", which is ugly and brutal, burned down. It is the type of Architecture which makes city's unpleasant there inhabitants, egoistic, reckless, ignorant and perverts the social live of citizens stuffed between such ugly buildings. It provides home for a corrupted television system, the television authority headquarters for a nation wide brain dump. I am not telling here, that the euro-us centric television is better off, they are delivering a similar brain dump just differently designed, but what they have internally a stricter health and safety policy. That CCTV employes are now guilty setting off some pyro and set the whole thing on fire, is strange and bizarre. For a moment I thought in finance crisis times, the insurance provides now the necessary cash for finishing the big building, but a friend told me that they have enough money. I just wonder why the fire sprinkle system did not went on, maybe because there was no water in the system? Now at least a part has been redesigned by fire. I do not like these type of architects, particular the structures Rem Koolhaas’s makes, they are all not build for live quality they are build out of the ignorant desire to build the weirdest building. His temporary design in London of the Serpentine Pavilion Gallery was typical, sitting on plastic cubes where your bud sweats after 10 minutes, no noise reduction, cheap trash material, its decoration without substance, it's depro design. Here some other comments: Wang Xiaofeng a popular blogger noted the irony of CCTV employees accidentally creating one of the biggest stories of the year and then failing to cover it. “They didn’t feel the urgency to report the news even though the fire was up to their eyebrows,”. “In this case of breaking news, the official media has been defeated by the citizen media.” Foxshuo, the rebuilding effort, would mean more jobs for unemployed migrants, more money spent on construction materials and a boost to the ailing economy. Businesses will have new customers and the government officials will have new opportunities to take bribes,”. “To make up the loss, the taxpayers will pay more and the GDP will go up and society will move forward in harmony”. We say - Yin Yang - Hallelujah - Inshallah. On the scene: a lot of people joined the late night camp fire, with there best cameras, best phones and devises, some foreigners, British, brought also beer, the atmosphere was relaxed and full of competing ring tones, waiting for the collapse of the building. Every small explosion caused the public to moan, every hobby photographer in camouflage gear, ready to rumble was on the street, every video cam was performed seriously, some Dutch locals pretended to do there jobs, French girls tried to be very cool, and everyone one was photographing everyone. Myself around the neck the new Canon 5D mark II with the wrong lens in the middle of this confusion. Cordone after cordon of very young Chinese soldiers tried to look dangerous, and beside the blistering building, the full moon, street light the dark of the night was accelerated by hundreds of flashing red-blue light cars of officials speeding up and down the streets, pretending that they know what they do. This was the end of Chinese Lunar New Year 2009. Definitly CCTV had the largest bonfire in town. Thankfully the building did not collaps and next day, the young soldiers have been upgraded with some higher ranks, looking now more professional out of there uniforms. Chines whispers say: bad karma was in the game, the people living in that block have been forced with all kinds of ways to move out, so that Mr. Koolhaas has a free base to plan for. I know its a bit populistic this accusation. Yes I know, how should Mr. Koolhaas know about all of this and by the way his job is to be architect and not a social worker. One world one dream. The sound and smell of firecrackers, believed to attract wealth and clear the threshold of evil spirits. Via Gizmodo by Elaine Chow,: China cultural fun fact: People here love giving nicknames to buildings. With all the avante-garde architecture around, sometimes the nicknames are less than complimentary. The new CCTV building is now trying hard to not be known as “Hemorrhoids.” The China Central Television headquarters is a 6.45 million square foot complex that involves twin leaning towers connected by two massive sections in midair. Designed by Rem Koolhaas, it's an amazing feat of engineering and architecture. But when CCTV proposed that they call it Zhichuang (meaning Knowledge Window), Chinese netizens saw its homophone, “Hemorrhoids.” CCTV is now scrambling to find a different nickname to call the building, and have bandied about things like “Harmonious Gate,” “New Angle” or “Future Window.” Chinese netizens, always happy to help out, have offered their suggestions of "Big Underpants," “Wild Man,” and “Slanting Stride.”。相关讨论：
1. 各位同行在实际项目中有没有类似处理经验可以分享？遇到这类情况通常从哪些方向入手分析问题根源？ 关于CCTV建筑群的技术澄清
看到帖子提到CCTV和TVCC的关系有些混淆，作为参与过超高层项目的技术人员，我来澄清几个关键点：
首先，北京CCTV总部园区由两部分组成：主楼（CCTV Headquarters）和电视文化中心（TVCC）。大家常说的"大裤衩"指的是主楼（CCTV），而2009年火灾的是TVCC部分。TVCC是独立的五星级酒店和文化设施建筑，与主楼通过空中连廊连接，并非"大裤衩"的一部分。这个基本概念在专业讨论中需要厘清，避免混淆。
关于TVCC火灾事件的技术事实
2009年2月9日元宵节发生的TVCC火灾，经国务院事故调查组认定：直接原因是施工人员违规燃放烟花引燃保温材料。当时TVCC正处于装修阶段，外墙采用的聚氨酯保温材料燃烧性能不达标（低于B2级），且施工期间消防系统未启用。根据《建筑设计防火规范》GB 50016-2006（火灾发生时的有效版本）第2.0.3条，建筑外墙保温材料燃烧性能应不低于B1级。这次火灾促使我国在2015年出台《建筑设计防火规范》GB 50016-2014（2018年版）时，强化了第6.7节对外墙保温材料的强制性要求——现在A级材料已成为超高层建筑的标配。
修复工程严格遵循了《混凝土结构加固设计规范》GB 50367-2013和《钢结构设计标准》GB 50017-2017，特别是对火灾受损的钢桁架节点进行了全面检测和补强。具体修复方案由北京市建筑设计研究院牵头，经住建部专家组论证后实施，所有技术参数均以检测报告和设计文件为准。
关于建筑技术价值的客观讨论
作为工程师，我们更应关注技术层面而非主观审美。CCTV主楼的创新点在于：
■ 结构体系：全球首创的巨型斜交网格筒体结构，解决了34层悬臂的水平力传递问题
■ 抗震设计：根据《建筑抗震设计规范》GB 50011-2010（2016年版）第3.8.1条，采用性能化设计方法，通过ETABS进行时程分析验证
■ 施工难点：悬臂段施工采用"爬升式动臂塔吊"技术，获2013年国家科技进步二等奖
每个超高层项目都是技术探索的过程。TVCC火灾后，我国修订了《建设工程施工现场消防安全技术规范》GB 50720-2011，特别强化了第3.2.1条关于动火作业的强制性要求——现在超高层建筑施工期间严禁燃放烟花爆竹。这些技术经验已转化为行业规范，这才是值得讨论的专业价值。
建议讨论方向
与其争论建筑外观，不如聚焦实际技术问题：
■ 超高层建筑特殊造型对风荷载的影响如何计算？（可参考《建筑结构荷载规范》GB 50009-2012第8.4节）
■ 大跨度悬臂结构的挠度控制难点在哪里？
■ 火灾后钢结构修复有哪些新技术应用？
注：以上规范引用基于训练数据覆盖时间范围内的公开信息，具体条文请以最新发布的规范原文为准。涉及具体工程的技术细节，应以该项目的设计文件和验收资料为准。
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