Kimball performs materials testing as part of the construction inspection services for both new roadway construction and rehabilitation of existing roadways and bridges. 

Aggregate Testing

• Gradation screening for different sizes of aggregate
• Proper sampling techniques on stockpiled material
• Sampling for hardness testing at laboratory

Asphalt Testing

• Depth checks of compacted material of specified courses of asphalt
• Measurements of IRI for pavement smoothness
• Mix design review
• Procurement of box samples for lab testing for emulsion content
• Procurement of core samples for lab testing for density

Concrete Testing

• Concrete air content
• Concrete slump test
• Forming concrete cylinders
• Mix design review
• Testing for compression strength of cylinders at designated cure time

Soil Testing

• Density testing with nuclear gauge for density and moisture content of compacted material
• Proctor sampling and testing for moisture and density requirements
• Visual inspection for non-movement for material that is too coarse to test