日批在线视频_内射毛片内射国产夫妻_亚洲三级小视频_在线观看亚洲大片短视频_女性向h片资源在线观看_亚洲最大网

USEUROPEAFRICAASIA 中文雙語(yǔ)Fran?ais
China
Home / China / Society

World's tallest building to be built in 7 months

By Ma Danning | chinadaily.com.cn | Updated: 2013-07-22 15:59

A bid to build the world's tallest building is facing a backlash from the public amid safety concerns that the building will be erected in a record seven months.

Broad Group, the investor behind Sky City, to be built in Wuhan, capital of Central China's Hubei province, published an open letter to address public concerns about safety.

At Saturday's foundation stone laying ceremony, which is expected to be the world's tallest building with 208 floors and a total height of 838 meters, brought the long running controversy into the spotlight again.

The world's current tallest structure is the 829.8 meters tall Burj Khalifa in Dubai, United Arab Emirates.

Sky City is estimated to take an unprecedentedly short period of seven months to construct, but this is not counting the time to lay the foundation. In contrast to the building time of 5-10 years for most skyscrapers, the short construction process triggered concerns that completing such a project in such a short time may cause potential safety hazards.

In the open letter on its official website, Broad Group said the construction is quick because 90 percent of the building is made from pre-fabricated units produced in factories, while only ten percent involves on-site construction works. The units will be produced by 20,000 workers in four months. Then it will take three months for 30,000 workers to finish fabricating the units and other actual constructions on site.

In response to concerns over the tower's ability to withstand strong earthquakes, wind and fire, the letter said the Sky City adopts a stable pyramid style and bundled tubes design, and it uses sturdy Luxembourg H steel beams, all of these ensure the building could withstand a magnitude-9 earthquake. What's more, the design passed the anti-earthquake evaluation by Chinese authorities.

The letter also said the steel beams were covered with fireplates. Tests show the building can withstand fire for more than?three hours. And the building passed three wind tunnel testings from foreign research institutes, which prove its wind-resistant abilities.

A spokesman from the Broad Group said they will answer public questions at a news conference to be held before the fabrication process.

Copyright 1995 - . All rights reserved. The content (including but not limited to text, photo, multimedia information, etc) published in this site belongs to China Daily Information Co (CDIC). Without written authorization from CDIC, such content shall not be republished or used in any form. Note: Browsers with 1024*768 or higher resolution are suggested for this site.
License for publishing multimedia online 0108263

Registration Number: 130349
FOLLOW US
 
主站蜘蛛池模板: 欧美影院 | 五月天激情片 | 欧美黄色片网站 | 97麻豆视频 | 久久激情片| 亚洲激情国产 | 欧美一区二区在线看 | 日韩成人小视频 | 在线网站你懂得 | 黄色一区二区三区四区 | 亚洲一区欧美二区 | 欧美成人另类 | 国产又粗又猛 | 天堂在线免费观看视频 | 成人午夜视频免费看 | 国产免费久久久 | 国产无遮挡又黄又爽免费网站 | 中文区中文字幕免费看 | 国外av在线 | 日本天天色| 韩国一区二区三区视频 | 欧美一级网站 | 这里只有精品在线观看 | 黄页网站在线免费观看 | 蜜桃网站在线观看 | 日本黄色小视频 | 欧美动态图 | 国产日韩精品一区二区三区 | www.992tv| 永久免费看片视频教学 | 91最新在线视频 | 午夜爱爱毛片xxxx视频免费看 | 欧美69视频 | 亚洲狠狠 | 大尺度毛片 | 亚洲欧美系列 | 国产主播在线观看 | 在线精品亚洲欧美日韩国产 | 放几个免费的毛片出来看 | 日韩黄色免费 | 永久免费av网站 |