Page 30 - Built Expressions - Online Construction Magazine - November 2014 Issue

The Ascent The Jin Mao Tower building The building is The building is constructed under proportion revolves around the constructed under the the advanced expertise. It include number 8, associated with the advanced expertise. advanced structural engineering system prosperity of Chinese culture. Offcial of wind and earthquake engineering to dedication of the building was on It include advanced fortify against typhoon winds of up to August 28, 1998, a date also chosen structural engineering 200km/h (with the top swaying by a with the number 8 in mind. The system of wind and maximum of 75 cm) and earthquakes of building was fully operational in 1999. earthquake engineering up to 7 on the Richter scale. The steel 88 foors are divided into 16 segments shafts have shear joints that act as shock and each of the sections is 1/8 shorter to fortify against typhoon absorbers to cushion the lateral forces than the 16 story base. The structure winds of up to 200km/h imposed by winds and quakes, and the th of the building is in octagon shape (with the top swaying by a swimming pool on the 57 foor is said concreted shear wall core surrounded maximum of 75 cm) and to act as a passive damper. by 8 exterior composite super column The exterior curtain wall is made and 8 exterior steel columns. Three earthquakes of up to 7 on of glass, stainless steel, aluminum, sets of 8 two-story high outrigger the Richter scale. and granite and criss-crossed by trusses connect the columns to the complex latticework cladding made of core at 6 of the foors to provide aluminum alloy pipes. The structure is additional support. steel piles ever used in a land-based adjacent to the 100,000 sqm Central building and capped by a 4m thick Greens, just north of the building. The base and Superstructure concrete raft 19.6m underground. The The surrounding road network is well The foundation rests on 1,062 high- basement’s surrounding slurry wall developed, enabling smooth traffc capacity steel piles driven 83.5m is 1m thick, 36m high and 568m long fow. One may take the tunnel bus or deep in the ground to compensate and composed of 20,500m square of the subway line to reach the Jin Mao for poor soil conditions. The longest reinforced concrete. Building. It takes only two minutes to cmsfle04.chinaso.comg November 2014vember 2014 Vol: 3 Issue: 11ol: 3 Issue: 11 PG 30 V No PG 30 Built ExpressionsBuilt Expressions