Po shan drainage tunnel

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 … WebFeb 27, 2024 · The Groundwater Drainage System of Po Shan Road was constructed to control the groundwater levels for reducing the risk of major landslides A check dam …

Graduates and Students: Technical visit to Po Shan Drainage Tunnel …

WebJan 1, 2011 · The construction of the Po Shan Drainage Tunnel and the associated sub-vertical drain system was completed in December 2009. This project is the first of its kind as it utilizes a drainage... WebMar 28, 2024 · The Geotechnical Engineering Office (GEO) of the Civil Engineering and Development Department (CEDD) today (March 28) announced that a total of 145 landslides was reported to the Government last year, less than the 214 cases in 2024 and the annual average of about 300 landslides over the past 25 years. norell finishing https://theyellowloft.com

Landslide Prevention and Mitigation Works at Po Shan, Mid-Levels ...

Webwater drain via the catch-pit located adjacent to the tunnel portal. The quantity and composition of the treated wastewater from the premises shall not exceed the following discharge limits specified by EPD: · Maximum flow rate is 30 m3/day. · Maximum concentration of suspended solids is 30 mg/L. · WebProject Scope. The project scope includes. site preparation works at the main access tunnel portal area including construction of the relevant retaining structures; construction of about 350 metres (m) of the main access tunnel leading to the proposed cavern complex at Nui Po Shan; construction of about 500 m of the access road leading to the ... WebMar 2, 2024 · Po Shan Drainage Tunnel – Landslide Sci-Tech Chamber. In 1972, the catastrophic landslide at Po Shan Road in the Mid-Levels shattered numerous homes and … no reliance on commutativity of mult

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Po shan drainage tunnel

Upward drilling of sub-vertical drains inside the Po Shan drainage tunnel

WebWorks included: • Slope remedial works of the portal area • (285 nos. of soil nails 15-29 m long) • Flexible barriers • (5m high, 3000kJ capacity, total 120 m in length) • Drainage tunnels • (3.5 m diameter, total 500 m in length) • Sub-vertical drains (24-100 m long, total 172 nos.) • Natural slopes stabilisation works with soil nails • (20 m …

Po shan drainage tunnel

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WebJun 1, 2010 · estimate the amount of water ingress during tunnel construction using measurements made during ground investigations. 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 input parameters. 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 …

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 … http://www.civil.hku.hk/ugsd2012/pdf/Briefing_Notes_Po_Shan-2011-Oct_Engish.pdf

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. WebOct 25, 2024 · The Po Shan Drainage Tunnel comprises a pair of drainage tunnels and a network of 172 sub-vertical drains with an automatic real-time groundwater monitoring …

WebOct 25, 2024 · The Po Shan Drainage Tunnel comprises a pair of drainage tunnels and a network of 172 sub-vertical drains with an automatic real-time groundwater monitoring system. The Standard Channel

WebThe Po Shan drainage tunnel was built into the hillside above Po Shan Road, Hong Kong, in order to channel groundwater out of the slope so as to improve slope stability. Subvertical … norelle c. wildburgerWebDec 7, 2015 · The Po Shan hillside falls within the Po kfulam Country Park and there aremany plants of conserv at ion interest on the hillside.5. There is limited works space.6. Adjacent old buildings are sensitive to settlement, which may occur if thegroundw at er drawdown is excessive.7. norelli\\u0027s garage on main streetWebOct 1, 2006 · The construction of the Po Shan Drainage Tunnel and the associated sub-vertical drain system was completed in December 2009. This project is the first of its kind as it utilizes a drainage... how to remove horizontal blinds from windowWebMar 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 … no religion is an island heschelWebA single retractable Tunnel Boring Machine was deployed for the excavation of the two drainage tunnels. Sub-vertical drains were installed upwards from the tunnel to a level of … norell elixir perfume reviewsWebThe system comprises a pair of drainage tunnels (3.5m diameter and a total length of 500m) and a network of 172 sub-vertical drains. It is equipped with an automatic real-time … Po Shan Drainage Tunnel - Landslide Sci-Tech Chamber. In 1972, the catastrophic … The Po Shan Drainage Tunnel – Landslide Sci-Tech Chamber is located at Po Shan … how to remove horizontal blindsWebApr 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 … norell women\u0027s perfume