亚洲最大福利网站_4hu四虎永久网址_麻豆国产原创_国产成人av一区二区

Fonterra builds world’s first earthquake-proof whole milk drying plant
date:Nov 12, 2015
e whole plant weighs upwards of 20,000 tons, including its 40-meter-high drying tower, all of which sits on 50 triple friction pendulum bearings that allow the whole construction to move up to 900mm in any lateral direction. Each 1.4m square bearing weighs 2.7 tons and has a Teflon center to reduce friction. The bearings were supplied by a seismic bearing specialist company in San Francisco.

Other key elements include 3,400m3 of concrete reinforced with 400 tons of steel; the main columns are 1

12/24 08:12