WebConstruction of a 350m long main access tunnel for the future cavern at Nui Po Shan. Site formation works including bored pile walls and earth retaining wall, slope stabilization works at the entrance of the main access tunnel. Construction of a 500m long access road connecting A Kung Kok Road and the future ventilation shaft. WebThe construction of two drainage tunnels and the associated subvertical drain system at the Po Shan area in Hong Kong was completed in December 2009._x000D_ This project is the first of its kind to utilise drainage tunnels and a network of subvertical drains to regulate the groundwater table to enhance the long-term stability of the hillside of Po Shan area.The …
Performance of a Drainage Tunnel and Subvertical Drain System
WebThe Po Shan Drainage Tunnel - Landslide Sci-Tech Chamber is open to public individuals, schools or organisations for application of guided visits. Public members can apply for a … WebApr 9, 2013 · Using the data obtained from the Po Shan drainage tunnels, comparisons are made for water inflow estimations using various methods that follow the same procedure … shane upson
Water Inflow during Ground Investigation and Construction at Po Shan …
WebJun 1, 2010 · Using the data obtained from the Po Shan drainage tunnels, comparisons are made for water inflow estimations using various methods that follow the same procedure but involve different sets of... Webconstruction of a main caverns complex at Nui Po Shan of about 14 hectares in area and about 2.3 million cubic metres in total volume for accommodating the sewage treatment facilities in the remaining stage of the Project; construction of about 260 metres (m) long secondary access tunnel to connect the main caverns complex and Mui Tsz Lam Road; WebMar 11, 2024 · Po Shan Drainage Tunnel – Landslide Sci-Tech Chamber, Hong Kong. In 1972, the catastrophic landslide at Po Shan Road in the Mid-Levels shattered numerous … shane unwin