ACI 209R : 1992(R1997)

Chapter 1--General 1.1--Scope 1.2--Nature of the problem 1.3--Definitions of terms Chapter 2--Material response 2.1--Introduction 2.2--Strength and elastic properties 2.3--Theory for predicting creep and shrinkage of concrete 2.4--Recommended creep and shrinkage equations for standard conditions 2.5--Correction factors for conditions other than the standard concrete composition 2.6--Correction factors for concrete composition 2.7--Example 2.8--Other methods for prediction of creep and shrinkage 2.9--Thermal expansion coefficient of concrete 2.10--Standards cited in this report Chapter 3--Factors affecting the structural response -- assumptions and methods of analysis 3.1--Introduction 3.2--Principal facts and assumptions 3.3--Simplified methods of creep analysis 3.4--Effect of cracking in reinforced and prestressed members 3.5--Effective compression steel in flexural members 3.6--Deflections due to warping 3.7--Interdependency between steel relaxation, creep and shrinkage of concrete Chapter 4--Response of structures in which time -- change of stresses due to creep, shrinkage and temperature is negligible 4.1--Introduction4.2--Deflections of reinforced concrete beam and slab 4.3--Deflection of composite precast reinforced beams in shored and unshored constructions 4.4--Loss of prestress and camber in noncomposite prestressed beams 4.5--Loss of prestress and camber of composite pre-cast and prestressed-beams unshored and shored constructions 4.6--Example 4.7--Deflection of reinforced concrete flat plates and two-way slabs 4.8--Time-dependent shear deflection of reinforced concrete beams 4.9--Comparison of measured and computed deflections, cambers and prestress losses using procedures in this chapter Chapter 5--Response of structures with signigicant time change of stress 5.1--Scope 5.2--Concrete aging and the age-adjusted effective modulus method 5.3--Stress relaxation after a sudden imposed deformation 5.4--Stress relaxation after a slowly-imposed deformation 5.5--Effect of a change in statical system 5.6--Creep buckling deflections of an eccentrically compressed member 5.7--Two cantilevers of unequal age connected at time by a hinge 5.8 loss of compression in slab and deflection of a steel-concrete composite beam 5.9--Other cases 5.10--Example Acknowledgements, pg. 209R-25 References, pg. 209R-25 Notation, pg. 209R-29 Tables, pg. 209R-32

This report presents a unified approach to predicting the effect of moisture changes, sustained loading, and temperature on reinforced and prestressed concrete structures.