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What is CFA Pile Application?

CFA (Continuous Flight Auger) technology joins the advantages of driven piles with the versatility of application of drilled piles. Moreover, a wide range of diameters and lengths can be obtained. Indeed it is possible to drill piles of a diameter from 40 to 140 cm. In terms of length, the equipment currently available allows to reach 31 m depth. Technology Continuous flight auger piles is a type of drilled foundation in which the pile is drilled to its final depth in one continuous process using a continuous flight auger. CFA piles are a replacement and cast in place piles type with a slight displacement of the soil, more noticeable using a large diameter hollow stem, that increases the final load bearing capacity. The construction procedure consists of three steps, the drilling phase (demolition), the auger extraction (spoil removal and concreting) and the cage insertion (reinforcing). Construction stages Continuous Flight Auger (CFA) piles are constructed with part...

The Panama Canal and Eng. Mr. Goethals

Engineer George Goethals This is dedicated for Mr. Engineer George Goethals' 156th Birthday. On August 15th, 1914, the Panama Canal opened, connecting the world’s two largest oceans and signaling America’s emergence as a global superpower. American ingenuity and innovation had succeeded where, fifteen years earlier, the French had failed disastrously. But the U.S. paid a price for victory: a decade of ceaseless, grinding toil, an outlay of more than 350 million dollars -- the largest single federal expenditure in history to that time -- and the loss of more than 5,000 lives. Along the way, Central America witnessed the brazen overthrow of a sovereign government, the influx of over 55,000 workers from around the globe, the removal of hundreds of millions of tons of earth, and engineering innovation on an unprecedented scale.

IHC S-280 Hydraulic Hammers are Used at Izmit Bay Bridge Construction

IHC S-280 Hydraulic Hammers are Used at Izmit Bay Bridge Construction The İzmit Bay Bridge (Turkish: İzmit Körfez Köprüsü) is a suspension bridgelocated at the eastern end of the Sea of Marmara, close to İzmit and approximately 50 km (31 mi) from Istanbul, Turkey. It will be one of the longest suspension bridges in the world by the length of central span. The bridge will be located at the eastern end of the Sea of Marmara, close to İzmit and approximately 50km from Istanbul, Turkey. It will be the second largest suspension bridge in the world by length of central span. Crossing the Bay of İzmit, the bridge (and connecting highway) will provide 3 lanes of traffic in either direction. The total length of the bridge is to be 3.3 kilometers, with a main span of 1,688 meters. Construction and operation of the bridge was awarded to a joint venture formed by five Turkish companies (Nurol, Özaltın, Makyol, Yüksel and Gocay) and one Italianconstruction company Astaldi following the int...

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