lean concrete

lean concrete

Concrete of low cement content.
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The KEC test road includes 2 lanes of 22 jointed plain concrete pavement (JPCP) sections having variables of slab thickness (250, 300 and 350 mm), subbase materials (lean concrete, aggregates and asphalt), and subbase thickness (120, 150 and 180 mm) (Jeong 2008).
Planning, estimation and productivity in the Lean concrete pour, Engineering, Construction and Architectural Management 11(1): 55-64.
In the Caltrans project, California-based Yeager Skanska placed 31 panels in two nights on a lean concrete base and post-tensioned the panels in the longitudinal direction in 124-foot sections.
In many typical applications, a very lean concrete may be adequate.
After completion of the lower wall system, a lean concrete footing was placed to support the upper wall on a sandstone subgrade.