The Case of Millennium Tower The 58-story Millennium Tower is the tallest residential building in San Francisco. The US$350 million project was designed by Handel Architects and constructed by Webcor Builders. The 645 feet skyscraper constructed between 2005 to 2008 was found to be sinking and tilting in 2016. Subsequently, the City of San Francisco…
Cable anchor/ Pre-stressed cable anchor/ Ground anchor has many uses in civil engineering. In geotechnical applications, it is known as a ground anchor or earth anchor or mechanical anchor. It is an active in-situ soil reinforcement technique. It may be driven by the impact on the ground or in a screw fashion. In soil engineering, they are mainly…
Location: Chungthang Village near Mangan, North Sikkim Brief of the Problem: Unstable Massive Sliding Material in the Vicinity of Dam Spillway The Site geology of the dam site area lies in the rock formation of central crystalline; subdivided into Chungthang series, Darjeeling gneiss & Rongli series of Pre-Cambrian age. Chungthang series comprises of quartz, biotite…
Location: Gerukamukh near North Lakhimpur, Assam Brief of the Problem: Probable Instability of Gravity Dam due to High Water Pressure The Subansiri Lower Dam officially named Subansiri Lower Hydroelectric Project (SLHEP), is an under-construction gravity dam on the Subansiri River in NorthEastern India. It is located 2.3 km (1.4 mi) upstream of Gerukamukh village in…
Location: Power House, Mangan, Sikkim Brief of the Problem: High Vibrations in Tunnel Profile after Seismic Event The Power House of Teesta-3 Hydro Electric Project has located at Mangan roughly 20 km from its dam location in Chungthang Village. It is an underground powerhouse. An earthquake of 7 Richter magnitude scale occurred in 2011, and…
Location: Madhya Bharath HEP, Sikkim What: Brief of the Problem: Global Instability of Road near Dam Area National Highway 31-A runs between Siliguri and Gangtok. Construction activities for the dam lead to settlement and global failure of road parallel to it. Activities for dam construction include blasting, excavation, submergence of the region; this is in…
Location: Terminal 1D, New Delhi Brief of the Problem: Slope Protection work having Variable Strata for Construction of Metro Station and Interchange Section of Train Metro Station was proposed near Domestic Airport Terminal 1D, and the station has to pass under the main road leading to the airport. For the construction of the station, the cut…
Location: Noida What: Brief of the Problem: Upliftment problem due to high pressure (buoyancy) beneath the ground surface The problem of uplift due to buoyant force was observed at the commercial building development site. The site location is near to Yamuna River. The presence of the water table was very close to the…
What: Brief of the Problem: Global Instability Issue of Deep Excavation of 3 Stored Basement. Geology: – Peninsular gneiss covers a significant portion of the study area and is highly migmatitic in nature. Their composition varies from tonalite and trondhjemite to granodiorite and has fine to medium-grained texture. They are fine to medium-grained and…
What: Brief of the Problem: To Provide Foundation System for 70 R Bridge at Challenging Terrain: In Leh- Ladakh area, there is one important road leading to china’s border in which there crosses the Shyok river width around 500 meters, and there was an urgent requirement of class 70 R Bridge. The site at…
