www.agrafoundations.com
Alberta
Edmonton
Edmonton
Foundations and Excavation
active
He determined that a depth of at least 20 feet, and preferably 25 to 30 feet, would be required to get below the active zone. Engineers did not generally recognize the swelling and uplift potential of the clay at that time. limited access drill. In our website we describe the various types of foundation piles and caissons which are presently in use in various parts of earth retention Canada. Torchinsky felt strongly that drilled piles or caissons was the logical and most efficient solution to overcome the problem of foundations on highly plastic clay and so he decided to obtain drilling equipment himself and start a new company for this operation which he called Western Foundation Borings Limited. Torchinsky founded it in response to a need to construct foundations deep foundations in Saskatchewan, Canada. Torchinsky began to recommend this type of design in his consulting practice, however, the problem he soon discovered was that there was no equipment available in the prairies to drill large diameter holes to depths of 20 to 30 feet, or deeper. After considerable study and examination, he determined that the problems were caused by shrinking and swelling of the highly bored piles plastic montmorillonite clay soils which commonly occur in the Regina area and on which the building footings were founded. Drilling a series of holes down to this depth, filling the holes with reinforced concrete, and supporting the structure on this system of pilings or caissons could achieve this most economically. From its headquarters in Saskatoon the company expanded into Regina shortly after its formation; to Alberta in 1959; Manitoba in 1960; and to Toronto and Montreal in the mid-sixties. Thus the swelling uplift pressure on building foundations is sufficient to cause serious cracking of walls, as is the excessive settlement, which can occur during drying or shrinking of the canada bearing soil. Torchinsky determined that the only way to construct a foundation that would not deteriorate due to the wet and dry seasonal effect on the founding soil was to place the foundation deep enough below the ground surface where moisture conditions in the soil were not affected by climate change. By 1970 all the companies were consolidated into publicly traded AGRA Industries Limited, and in 1995 Western Caissons Limited was renamed AGRA Foundations Limited. Agra Foundations is proudly celebrating western its growth to the largest foundation engineering and construction company in Western Canada with offices in Vancouver, Calgary, Edmonton, Saskatoon, Regina, and Winnipeg. With the support of our parent company, Soletanche Freyssinet, we are in the best position to develop innovative solutions to difficult foundation problems and to design and install the most challenging foundation systems on both land and over water. These soils are prone to shrink during a drop in moisture content of the soil allowing foundations supported by them to settle and pile to swell upon taking on moisture during wet seasons. Furthermore, the swelling is caused by water molecules being sucked into the molecular retention systems structure of the montmorillonite clay, causing swelling of the clay with resultant swelling pressures equivalent to those in water as it freezes into ice if it is confined. This was the start of what would become one of the leading foundation companies in Western Canada. (formerly Western Caissons Limited) has been associated with construction of pile foundations since the 1950’s, when Benjamin B drill. (ben) Torchinsky investigated the high incidence of cracks and general deterioration developing in commercial buildings in Regina - even newly constructed buildings utilizing first class design ground and construction techniques. On June 25, 2010 AGRA Foundations Limited was aquired by the Soletanche Freyssinet Group. Our philosophy pile is to install the most suitable and economical type of pile foundation system for site-specific soil conditions without compromising quality. We specialize in the construction of deep pile and caisson foundations which transmit structural loads through the soft erratic overburden soils, which prevail over drilling most of the inhabited portion of Canada, into the underlying hardpan, glacial till or bedrock. Professional engineers possessing solid background and experience in foundation engineering manage all of our offices. The company name was changed to Western Caissons Limited in 1966. Graduate professional engineers manage all of its offices. Please browse our website for driven piles details of services we are able to provide or contact one of our many experienced representatives with any questions you may have regarding our capabilities. In the early improvement 1950's during his research work as a Professor in the Civil Engineering Department of the University of Saskatchewan, B.B. Our capabilities alberta also include shoring systems, limited access drilling equipment, churn drilling, vibro compaction and replacement, stone columns, and seismic foundation upgrading
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