Design Of Floor Slabs On Grade

Re f e rence 8 can be used as a guide when de signing a shri n k a g e c o m p e n s a t i n g c o n c r ete floor.

Design of floor slabs on grade.

The structural design of a concrete floor slab on grade is primarily controlled by the stresses caused by moving live loads and in some cases the stationary loads. The base floor within a building may simply be a cast in place concrete slab on grade with limited design considerations for structural support or environmental control functions. For slab subjected to concentrated post loading for k 100 pci per pca slab thickness design for industrial concrete floors on grade figure 7b page 10 instructions for use of figure 7b. The result is a lightly reinforced slab designed to offset the effects of temperature and shrinkage of the concrete.

Thermal expansion and contraction of the concret e the structural design of a concrete floor slab on grade is primarily controlled by the stresses caused by moving live loads and in some cases the stationary loads. Consequently aci 360 was formed with this mission. With some limitations reinforcement for slabs can be sized using the subgrade drag theory in order to increase the spacing of control or construction joints. Anderson key factors to consider include type of slab construction and loading conditions.

Stresses in floor slabs on grade resulting from vehicular loads are a function of floor slab thickness vehicle weight and weight. Design of slabs on grade aci committee was specifically charged to cover design. The base floor may also be comprised of a mud or structural foundation slab complete with waterproofing and wearing slab with the overall system designed to carry. Basis of floor slab on grade design 2 1.

This guide presents information on the design of slabs on ground primarily industrial floors. Develop and report on criteria for design of slabs on grade except highway and airport pavements 1 2 2 aci committee 302 aci committee 302 de velops recommendations on the construction of floor slabs. The report addresses the planning design and detailing of slabs. Matthew stuart p e s e f asce secb course content slab on grades construction.

Introduction concrete slabs on grade are a very common type of concrete construction. Floor slabs can range from a simple residential basement slab to a heavy duty industrial floor. Concrete slab on grade thickness analysis. Type d slab post tensioned for choosing design methods for industrial floor slabs by boyd c.

The construction and design of concrete slabs on grade d. Enter chart with slab stress 2. Design of slabs on ground reported by aci committee 360 aci 360r 06 this document presents information on the design of slabs on ground primarily industrial floors. It addresses the planning design and detailing of slabs.

Ringo and robert b. Background information on design theories is followed by discussion of the types of slabs soil support systems loadings and jointing.