Structure inspection manuals such as the Ontario Structure Inspection Manual (OSIM) mostly emphasizes on the visual inspection and physical condition of bridge structures. The visual inspection methodology in this guideline consists of close up visual assessment of defects in the superstructure and substructure. This methodology is limited to inspection of elements that are at the arms length. For elements with difficult access (i.e. long girders mid-span or deck over river or… Read More »How to Evaluate Concrete Piles?
Non-destructive evaluation of unknown foundations and piles has gained interest among engineers and researcher over the past few years. Latest research show the effectiveness of these methods in investigating the depth and quality of existing piles, as well as in the quality assurance of new construction. Piles are structural members made of timber, steel, or concrete. Piles are used to transfer the loads of a heavy superstructure (bridge, high rise… Read More »Non-Destructive Evaluation of Unknown Foundations
Concrete Piles and drilled shafts are an important category of foundations. Despite their relatively high cost, they become necessary when we want to transfer the loads of a a heavy superstructure (bridge, high rise building, etc.) to the lower layers of soil. Another reason for choosing a pile foundation is the condition and quality of soil layers. Based on how they transfer the load into the subsoil, piles can be… Read More »Why and When to Use Concrete Piles?