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Guide to Cement-Treated Base (CTB)

By Gregory E. Halsted, David R. Luhr, Wayne S. Adaska Guide to Cement-Treated base (CTB) Guide to Cement-Treated base (CTB)Portland cement Association5420 Old Orchard RoadSkokie, Illinois Fax : Cement-Treated base (CTB) is a mixed-in-place or central-plant-produced material consisting ofsoil/aggregate, cement , and water that creates a strong and durable stabilized roadway base . This Guide toCTB discusses its applications, benefits, design, construction, testing, and : Cement-Treated base , CTB, pavement, subgrade, soil/aggregate, pavement structure, portlandcement, pavement design, mixed-in-place, pugmill, moisture-density relationship, compressive strength, mixdesign, Tube Suction Test, processing, scarification, pre-wetting, reflective cracking, :Halsted, Gregory, E.

Soils/aggregates in cement-stabilized bases are tightly bound together by cement. The entire mass is hardened into a slab with enough rigidity and strength to spread loads over a large area of the subgrade. Unstabilized granular bases concentrate loads on a small area. Figure 1.3. Pavement core proves strength of CTB.

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