06-16-2022, 09:55 AM
The shell construction
The shell construction of the 275 chimney commenced on 5th November, 1987 , and was completed on 7th August, 1988 . Thus within 9 months the chimney shell shot up from -0.4m below low ground level to its desired 275m height into the sky. The average speed of construction of the shell, at the rate of 3m per day, using slipform equipment, can be easily achieved in India. However, the rate of slipforming adopted in the Toronto tower was on an average of 6m per day, as quick-setting admixtures and perhaps faster winches to carry concrete and steel to the desired locations, were used.
Three winches (Table) were used to transport men material and concrete during the construction of the shell. Except for these winches
there was no other mode of transport available to reach the slipform platform. During the total construction period of 276 days, the slipform actually operated for only 105 days. Thus, on an average, the rate of slipforming was about 2.60m per day. The fastest rate of 3.4m per day was achieved at an elevation of 250m above ground level.
For more detail download ....
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REACHING FOR THE SKY FD.pdf
The shell construction of the 275 chimney commenced on 5th November, 1987 , and was completed on 7th August, 1988 . Thus within 9 months the chimney shell shot up from -0.4m below low ground level to its desired 275m height into the sky. The average speed of construction of the shell, at the rate of 3m per day, using slipform equipment, can be easily achieved in India. However, the rate of slipforming adopted in the Toronto tower was on an average of 6m per day, as quick-setting admixtures and perhaps faster winches to carry concrete and steel to the desired locations, were used.
Three winches (Table) were used to transport men material and concrete during the construction of the shell. Except for these winches
there was no other mode of transport available to reach the slipform platform. During the total construction period of 276 days, the slipform actually operated for only 105 days. Thus, on an average, the rate of slipforming was about 2.60m per day. The fastest rate of 3.4m per day was achieved at an elevation of 250m above ground level.
For more detail download ....
REACHING FOR THE SKY FD.pdf