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Dam Concrete Placement by Towerbelt
Peng Gang
Strategic Study of CAE 2004, Volume 6, Issue 9, Pages 77-80
The outstanding properties of concrete placement by towerbelt are the interrupted feeding, high intensity and the capability of direct pouring on the block. However, there would be some problems of back rise of temperature of the pre-cooled concrete during transportation, which is prone to segregation of concrete aggregate if not suitably controlled. Therefore, how to guarantee the concrete placement by towerbelt both at high speed and of good quality is the key issue to be solved during the construction. Some key issues are discussed in the paper at combination with the phase Ⅱ concrete construction of the TGP powerhouse and dam in terms of quality control of raw materials of concrete, counterpart equipment and construction technologies on the pouring block, designs matching and equipment management during the dam concrete placement by towerbelts.
Keywords： TGP towerbelfs pouring concrete
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