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crushed aggregate base coarse shall consist of one or more courses or layers of coarse aggregate, either crushed gravel or crushed stone, fine aggregate and binder or filler blended as necessary to produce an intimate mixture of the required gradation and stability. requirements: the aggregate shall consist of hard, durable crushed aggregate base course description. construct a foundation course for a surface course or for other base courses, composed of crushed aggregate materials as described in this specification, in one or more courses, in conformity with the typical sections shown on specification for crushed aggregate surface course. stone crushing machine: specification for crushed aggregate surface course We provide customers with a variety of good quality construction and mining crushing equipment, and optimize the combination of various types of equipment to meet different process needs.. learn moreaggregate for surface and base courses scope requirements aggregate of crushed concrete and permitted aggregate material. If crushed concrete aggregate is used for the base course and for stabilizing the subgrade at the same location, the total equivalent application rate shall not exceed a mm. live chat
aggregates are materials such as sand and crushed stone that provide one of the main ingredients in concrete. An aggregate base course is the layer of soil thats installed between the surface pavement layer and the underlying soils of the concrete pavement.minus crushed rock, also known as crushed surfacing base course packs tightly and holds in place, making it the primary base material for heavily trafficked roadways. csbc also adds stability to bridges and muddy or wet areas. this csbc meets the washington state department of transportation specifications for base course.technical specification item 00231 cement stabilized crushed aggregate base course 231.1 description. this item shall consist of a foundation for surface course or for other base courses and shall be composed of a mixture of crushed aggregate, portland cement and water andthis item consists of a base course composed of crushed aggregate constructed on a prepared course in accordance with these specifications and to the dimensions and typical cross -sections shown on the plans. materials crushed aggregate base. crushed aggregate shall consist of clean, sound, durable particles of crushed stone or