1st Edition

Compaction of Soils, Granulates and Powders

Edited By W. Fellin, D. Kolymbas Copyright 2000
344 Pages
by CRC Press

344 Pages
by CRC Press

344 Pages
by CRC Press

This interdisciplinary volume comprises papers from several fields related to compaction. Topics include: soil compaction for pavements and roads; deep soil compaction by vibration, impact and underground explosion; compaction control; and compaction processes in engineering.

Preface 1 Practical applications in engineering; Newest innovations into soil and asphalt compaction technology; Soil improvement by vibro compaction in sandy gravel for ground water reduction; The in-situ densification of granular infill within two cofferdams for seismic resistance; Vibro compaction for the lock Hohenwarthc; 2 Verification of compaction; Field tests before and after blasting compaction; Dynamic testing methods for the stiffness of compacted pavement; Compaction control of a soil improvement with powder columns; Compaction control with a dynamic cone penetrometer; 3 On-line compaction control; Sophisticated roller compaction technologies and roller-integrated compaction control; Quality control in deep vibrocompaction; 4 Quasi static experimental investigations, cyclic loading; Material fabric and mechanical properties after compaction for unbounded granular materials; Soi I compaction by kneading: Comparison of existing methods and proposal of a new laboratory test; Soil compaction by cyclic loading: Ins and outs; Interpretation method of compaction test results on powders; 5 Dynamic experimental investigations; Densification of bulk materials in process engineering; Compaction of loose Oooded granular masses using air pulses; 6 Theoretical approaches; Compaction dynamics of tapped granular matter: A mean field model and its Langevin extension; A minimal model for slow dynamics: Compaction of granular media under vibration or shear; 7 Numerical investigations: Distinct element models, lattice models DEM simulations of uniaxial compression and decompression; Generation and effects of different compacted granular materials within the DEM; Slow relaxation in a diffusional model for granular compaction; 8 Numerical investigations: Continuum models lnfluence of pressure level and stress amplitude on the compaction of granular soils; Senlement of liquefied sand after a strong earthquake; Numerical analysis of a dynamic intensive compaction; Late paper; Experimental investigation of blasting compaction of a cohesionless pit mine fill

Biography

D. KOLYMBAS & W FELLIN University of Innsbruck, Institute of Geotechnics and Tunnelling