Los angeles abrasion test, Civil Engineering

Los Angeles Abrasion Test:

In which the aggregates are placed in a rotating drum in which a certain number of cast iron cylindrical balls are also placed, and the drum rotated at a given speed for 500-1000 revolutions. The weight of fine material that is generated is determined. A Los Angeles Abrasion value of 40 per cent is allowed for stone aggregate base courses and 30-35 per cent for bituminous courses. The apparatus is shown in Figure.

158_Los Angeles Abrasion Test.png

Figure: Los Angeles Abrasion Test Apparatus

Posted Date: 1/22/2013 2:59:14 AM | Location : United States






Your posts are moderated
Related Questions

Explain a Critical Path The series of activities which determines the earliest possible date of project completion Usually defined as those activities with minimal or


Define Water jets for underwater inspection of bridge? These tools are widely used and produce a bright metal finish in one operation. Grit entrainment is available and makes t

in what condition curve s-t curve is concave and convex

State the effect of stretched tendons The effect of stretched tendons inside the concrete components is just like a stretched spring. If a spring is stretched it would like to

Define NPDES Sampling Requirements? The sampling needs under NPDES are given at 40 CFR Part 122, as part of the needs for applying for an NPDES discharge allow. The needs are b

Passenger Conveyors: Passenger conveyors are used at locations where a large concentration of passengers has to be moved from one place to another. Escalators are used to conv

A 30 cm diameter pile penetrates a deposit of soft clay 9 m deep and rests on sand. Compute the skin friction resistance. The clay has unit cohesion of 0.6 kg/cm 2 . Suppose

Equivalent static load method After the earthquake in Messina-Reggio Italy 1908, a team composed of engineers were sent on duty to study deteriorated buildings and investigate