Description
CLSM consists of a mixture on cement, water, aggregate and fly ash. Unlike ordinary concrete, CLSM has much lower strength. The strength of CLSM is less that 1,200 pounds per square inch (8.3 MPa), while ordinary concrete has strengths exceeding 3,000 pounds per square inch (21 MPa). As a result, CLSM is not suitable for supporting buildings, bridges, or other structures. Instead, it is primarily used as structural fill or trench backfill. It also flows much better that ordinary concrete, having the consistency of a milkshake. The first known use of CLSM was in 1964.
Read more about this topic: Flowable Fill
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