by The concrete engineering of this section includes inverted siphon (vertical shaft, transition section and pipe body), construction support tunnel, and lining concrete of water conveyance tunnel.
The total amount of concrete engineering is 90929m3, including 6394m3 for the inverted siphon, 13422m3 for the construction support tunnel, and 71113m3 for the first section of the 6 # water conveyance tunnel.
The detailed quantities of each section are shown in the “Statistical Table of Reinforced Concrete Consumption”:.
