coarse aggregate

Coarse aggregate definition is the portion of the aggregate used in concrete that is larger than about 316 inch

Coarse aggregate is mined from rock quarries or dredged from river beds therefore the size shape hardness texture and many other properties can vary greatly based on location

Coarse aggregate is the portion of the concrete which is made up of the larger stones embedded in the mix Concrete contains three ingredients Water cement and aggregate That aggregate is made of fine sand and coarse gravel

Brick chips broken bricks stone chips broken stones gravels pebbles clinkers cinders etc are used as coarse aggregate in concrete 4 Sources River sand or machine sand crushed stone sand crushed gravel sand are the major sources of fine aggregate

Coarse aggregates are any particles greater than 019 inch but generally range between 38 and 15 inches in diameter Gravels constitute the majority of coarse aggregate used in concrete with crushed stone making up most of the remainder Natural gravel and sand are usually dug or dredged from a pit river lake or seabed

Approved List Sources of Fine Coarse Aggregates The Materials Bureau also maintains the Materials and Equipment Approved List Contacts Regional Offices Material Engineers Materials Supplier Viewer Approved Aggregate Sources The Materials Supplier Viewer contains the NYSDOTApproved Sources of Aggregate for hot mix asphalt and portland cement concrete

Coarse Aggregates All Coarse Aggregates A special requirement placed on all coarse aggregates deals with the restriction on the number of flat and elongated pieces Section 90403 sets the limits for the number of flat and elongated pieces A flat and elongated piece is defined as one having a ratio of length to thickness greater than five

Coarse Common Sizes 4 316 Other DOT and Special Sizes Available at Most Locations Specialty Aggregate Products Our specialty products fulfill a range of business and consumer needs such as maintaining farm fields providing golf course sand as well as household gardening and planting

Following are the classification of aggregates based on size Aggregates are classified into 2 types according to size Fine aggregate Coarse aggregate Fine Aggregate When the aggregate is sieved through 475mm sieve the aggregate passed through it called as fine aggregate