SHRINKAGE STRESSES IN CONCRETE: PART 1--SHRINKAGE (OR SWELLING), ITS EFFECT UPON DISPLACEMENTS AND STRESSES IN SLABS AND BEAMS OF HOMOGENEOUS, ISOTROPIC, ELASTIC MATERIAL; PART 2--APPLICATION OF THE THEORY PRESENTED IN PART 1 TO EXPERIMENTAL RESULTS

THEORETICAL EXPRESSIONS FOR DEFORMATIONS OF CONCRETE BEAMS AND SLABS THAT OCCUR DURING THE COURSE OF DRYING AND EXPRESSIONS FOR DISTRIBUTION OF THE ACCOMPANYING SHRINKAGE STRESSES ARE DERIVED. THE APPLICABILITY OF THE EQUATIONS TO CONCRETE IS CONSIDERED. IT IS SHOWN THAT THE COURSE OF SHORTENING OF PRISMS IS IN VERY GOOD AGREEMENT WITH THE THEORETICAL EQUATIONS. HOWEVER, IT IS SHOWN THAT THE THEORY MUST BE MODIFIED TO TAKE INTO ACCOUNT INELASTIC DEFORMATION AND TO PERMIT THE CONSTANTS OF THE MATERIAL TO VARY WITH MOISTURE CONTENT AND SIZE OF SPECIMEN. /PCA/

• Authors:
  • Pickett, G
• Publication Date: 0

Media Info

• Serial:
  • Portland Cement Assoc R & D Lab Bull
  • Issue Number: 0

Subject/Index Terms

• TRT Terms: Beams; Concrete; Deformation; Drying; Moisture content; Shrinkage; Size; Slabs; Stresses; Theory
• Uncontrolled Terms: Concrete beams
• Subject Areas: Highways; Materials;

Filing Info

• Accession Number: 00213464
• Record Type: Publication
• Source Agency: Portland Cement Association
• Report/Paper Numbers: No 11
• Files: TRIS
• Created Date: May 25 1970 12:00AM