Bituminous Surfacing and Construction

Bituminous surfacing

Introduction Bituminous surfacing is any surfacing that involves the use of bituminous materials to waterproof the pavement surface and/or provide structural strength. Such a construction may consist of an application of a thin film of bituminous binder onto a base course or pavement surface followed by the spread of a single layer of chippings as …

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Aggregates for Road Construction

Aggregates for Road Construction

Introduction Natural rocks constitute the primary source of aggregates used in highway construction.  These rocks exist in the form of rock outcrops at or near the earth’s surface or gravel deposits usually along streams channels. In most cases, crushed rock aggregates from stone quarries may constitute the sole structural layer materials for high-performance roads. Other …

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