家用纸品 China's longest expressway shield tunnel drilled through
BEIJING， Aug. 21 (Xinhua) -- China drilled a tunnel through for expressway transport in Beijing on Monday. It is the longest expressway tunnel in the country created using the shield-tunneling method.
With a total length of 7.4 km， the tunnel project is designed to have a two-way six-lane expressway on the middle level， smoke vent on the upper level and evacuation and rescue routes on the lower level， according to the Beijing Capital Highway Development Group Co.， Ltd.， 从化市延为麻类有限公司 which is implementing the project.
The tunnel is part of Beijing's east sixth ring road project. The deepest section of the tunnel， 涞水县设企麻类有限公司 which is 75 meters underground， 东莞市金纬洋进出口有限公司家用纸品 is the deepest underground tunnel in Beijing. In June， 湖北利资棉类有限公司 the west tunnel of the project was the first to be drilled through. The east tunnel was just drilled through on Monday.
With an excavation diameter of 16.07 meters and a length of about 145 meters，祁连县设实棉类有限公司 the shield-tunneling machine adopted in the project is independently designed and made by Chinese enterprises. It weighs 4，500 tonnes. ■
LHASA家用纸品， Sept. 2 (Xinhua) -- The Zham port in southwest China's Tibet Autonomous Region， a major land port between China and Nepal， resumed two-way passenger traffic on Friday after being closed for eight years.↳
