Polyjacking, also known as foam jacking, is a construction method used to lift and level settled or uneven concrete slabs. This method involves injecting polyurethane foam underneath the sunken concrete, …
Tag:
construction method
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Repair & Rehabilitation
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A beam type bridge consists of a horizontal beam supported by piers or abutments at each end. The beam is made of steel, concrete, or wood, spans across the gap, …



