The Colloquium on Creep in Structures was organized as part of the activities of the International Union on Theoretical and Applied Mecha nies. It was supported financiaHy by IUTAM, as weH as by the National Science Foundation, Washington, D. C., U. S. A. The Scientific Commit tee charged with the work of organization consisted of the foHowing persons: NICHOLAS J. HOFF, Stanford University, Stanford, California, Chair man FOLKE K. G. ODQVIST, Royal Institute of Technology, Stockholm, Sweden, Vice-Chairman R. MAZET, Office National d'Etudes et de Recherehes Aeronautiques, Chatillon-sous-Bagneux, France Y. N. RABOTNOV, Academy of Sciences, Novosibirsk, U. S. S. R. SHUJI TAIRA, Kyoto University, Kyoto, Japan. The details of the organization of the sessions were entrusted to the Local Committee consisting of the following persons: MAX ANLIKER W. H. HORToN K. BINFORD B. LEMPRIERE C.C.CHAO L. NICKEL W. G. FLÜGGE In order to insure good discussion and, in general, a broad exchange of ideas among the participants in the meeting, the number of persons invited to attend was kept to a minimum. Participants not living in the Stanford area were housed in Donner House of Stern Hall on the Stanford campus, and were served meals in the dining room of Donner House. The speakers and observers started to arrive on July 9 and the last ones left on July 18.

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Stress Distribution Analysis for Linear Viscoelastic Materials.- Torsional Response of Linear Viscoelastic Plates Subjected to Thermal Stresses.- On the Creep Stress Analysis of some Structures.- The Shear Center in Creep of Beams of Thin-Walled Open Cross Section.- Mechanics of Creep and Combined Stresses.- Lifetime of Structures Subjected to Varying Load and Temperature.- The Effect of Incremental Loading on Creep Behavior of Metals.- Applicability of the Elastic Analogue to Creep Problems of Plates, Membranes and Beams.- Oil Canning Problems in Creep.- Investigation of Transient Creep in Thick-Walled Tubes under Axially Symmetric Loading.- A Comparison of Flow Criteria Applied to Elevated Temperature Creep of Rotating Discs with Consideration of the Transient Condition.- Bending of a Plate with Non-Linear Strain-Hardening Creep.- Effect of Creep on Stresses in Cylindrical Shells.- On the Creep of a Wrinkle.- On the Mechanics of Column Creep.- Comparison of Ranges of Applicability of Predictions of Creep Buckling Time.- Geometrically Non-Linear Creep Buckling of Bars.- Sur un modèle apte à traduire le fluage sous charge constante des structures.- Some Simple Models for Torsional Creep Buckling.- Damping of the Vibrations of a Coiled Spring Due to Creep.