Civil engineering is a professional engineering discipline that deals with the design, construction, and maintenance of the physical and naturally built environment, including works like bridges, roads, canals, dams, and buildings.
Tuesday 19 February 2013
Aggregate, Types of aggregates:- Aggregate is a granular material, such as sand, gravel, crushed stone, crushed hydraulic-cement concrete, or iron blast-furnace slag, used with a hydraulic cementing medium to produce either concrete or mortar. Aggregate is used Coarse Aggregate:- Those particles that are predominantly retained on the 4.75 mm (No. 4) sieve, are called COARSE AGGREGATES. Fine Aggregate:- Those particles passing the 9.5 mm (3/8 in.) sieve, almost entirely passing the 4.75 mm (No. 4) sieve, and predominantly retained on the 75 µm (No. 200) sieve are called FINE AGGREGATES.
One building is the inverse of another at this pair of museums that architect Steven Holl has designed for a new city quarter of Tianjin, China.The Ecology and Planning Museums will be located within Tianjin Eco-City, a new city quarter under construction on China's east coast that is set to accommodate at least 350,000 inhabitants.Steven Holl Architects conceived the Planning Museum as a large cuboidal building with a series of blob-shaped voids piercing its volume, while the neighbouring Ecology Museum will have a non-linear form that copies the shape of these openings.
Architecture firm SOM has proposed adding a floating observation deck that slides up and down the sides of two new skyscrapers .The moving deck is one of several public realm strategies that the firm is promoting for the 100-year-old station, following an invitation from the Municipal Art Society of New York to re-think the spaces in and around the building.SOM suggests that the hovering deck would improve the quality of the public space around the building by offering an "iconic landmark" with a 360-degree panorama of the city skyline."Throughout the history of New York City, urban growth has been matched by grand civic gestures," said SOM partner Roger Duffy.
Amsterdam architects UNStudio have designed a new international airport for Kutaisi, Georgia.The airport will serve the growing number of tourists to the city, as well as politicians and diplomats visiting the country’s parliament, which is moving from the capital Tbilisi to Kutaisi next year.The terminal will include three departure gates, as well as a departure lounge with a large private garden.
Bridge in Abu Dhabi by Zaha Hadid Architects-Construction of the 842 metre-long bridge between Abu Dhabi Island and the mainland completed earlier this year.The structure comprises several arching waves of reinforced concrete, which support a four-lane highway. PROGRAM: 2 ways four lane highway bridge to Abu Dhabi island CLIENT: Abu Dhabi Municipality ARCHITECT: Zaha Hadid Architects Design: Zaha Hadid Project Architect: Graham Modlen Project Team: Garin O'Aivazian, Zahira Nazer, Christos Passas, Sara Klomps, Steve Power Project Engineer: Joe Barr, Mike King, Mike Davies Highpoint Rendel (Abu Dhabi, UAE) CONSULTANTS: Structure: Rendel Palmer Tritton (London, UK) Lighting: Hollands Licht (Amsterdam, Netherlands) DIMENSIONS: 842m long, 64m high, 61m wide MATERIALS: Piers, Decking: Reinforced Concrete Arches: Steel
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