Working Group on Ice Forces on Structures

Working Group on Ice Forces on Structures
Author: T. Carstens
Publisher:
Total Pages: 146
Release: 1980
Genre: Force and energy
ISBN:

A short review is presented of the literature on thermal ice pressure against extended hydraulic structures such as dams. Some of the methods suggested for the computation of ice loads caused by temperature changes are reviewed. As a means of comparison measurements of thermal ice pressure and empirical values used at present for estimating these loads are referred to. Ice forces on structures are determined either by the environmental driving force or by the force to fail the ice sheet and move the ice around the structure; which ever is the least. State-of-the-art techniques for predicting these forces on fixed, rigid structures are presented. The modes of interaction between ice and structure are discussed, and the properties of both ice and structure are seen in the context of interaction. The key parameter of the ice is the dependence of crushing strength on loading rate, in particular the inverse relationship that exists for a certain range and gives rise to negative damping. A review of the buckling analyses of floating ice sheets is presented. The theory used is that of a beam or plate on an elastic foundation.

Working Group on Ice Forces; State-of-the-Art Report (3rd).

Working Group on Ice Forces; State-of-the-Art Report (3rd).
Author: T. J. Sanderson
Publisher:
Total Pages: 241
Release: 1987
Genre:
ISBN:

Topics include: The role of fracture in limiting ice forces; Ice forces on multi-legged structures; Flexural and buckling failure of floating ice sheets against structures; A pressure area curve for ice; Ice scour surveys, statistics and forces; Numerical and finite element techniques in calculation of ice-structure interaction; Field techniques for ice force measurements; Iceberg impact forces. Keywords: Force(Mechanical); Sea ice; Underwater structures; Waterfront structures.

Working Group on Ice Forces (4th) State-of-the-Art Report Held in Iowa City, Iowa in 1986

Working Group on Ice Forces (4th) State-of-the-Art Report Held in Iowa City, Iowa in 1986
Author: G. W. Timco
Publisher:
Total Pages: 401
Release: 1989
Genre:
ISBN:

This report on ice forces on structures includes 13 individual papers covering topics of local ice pressures, large-scale ice pressures, large-scale ice loads and failure modes, damage modes for ice, ice forces on compliant structures and conical-shaped structures, ice rubble, spray ice and ice loads on icebreaking vessels. Researchers and design engineers should find the report useful and informative in all of these areas. The papers were written with senior undergraduate and graduate students in mind so they should provide an excellent textbook for those students interested in ice mechanics. Keywords: Mechanical forces; Ice loads forces; Structural response; Sea ice; Structures; Underwater structures; Waterfront structures. (edc).

IUTAM Symposium on Scaling Laws in Ice Mechanics and Ice Dynamics

IUTAM Symposium on Scaling Laws in Ice Mechanics and Ice Dynamics
Author: J.P. Dempsey
Publisher: Springer Science & Business Media
Total Pages: 479
Release: 2013-04-18
Genre: Science
ISBN: 9401597359

This Volume constitutes the Proceedings of the IUTAM Symposium on 'Scaling Laws in Ice Mechanics and Ice Dynamics', held in Fairbanks, Alaska from 13th to 16th of June 2000. Ice mechanics deals with essentially intact ice: in this discipline, descriptions of the motion and deformation of Arctic/ Antarctic and river/lake ice call for the development of physically based constitutive and fracture models over an enormous range in scale: 0.01 m - 10 km. Ice dynamics, on the other hand, deals with the movement of broken ice: descriptions of an aggregate of ice floes call for accurate modeling of momentum transfer through the sea/ice system, again over an enormous range in scale: 1 km (floe scale) - 500 km (basin scale). For ice mechanics, the emphasis on lab-scale (0.01 - 0.5 m) research con trasts with applications at the scale of order 1 km (ice-structure interaction, icebreaking); many important upscaling questions remain to be explored.

Marine Structures Engineering: Specialized Applications

Marine Structures Engineering: Specialized Applications
Author: Gregory Tsinker
Publisher: Springer Science & Business Media
Total Pages: 567
Release: 2012-12-06
Genre: Science
ISBN: 1461520819

Marine Structures Engineering is designed to help engineers meet the growing worldwide demand for construction of new ports and the modernization of existing ports and terminals. It provides an authoritative guide to the design, construction, rehabilitation, repair, and maintenance of port and harbor structures. Each chapter is self-contained, allowing readers to access specific information. The Author draws on his extensive experience in offshore structure and port engineering to demonstrate evaluation, rehabilitation, repair, and maintenance of in-service marine structures. Also covered in detail are state-of-the-art approaches to: *marine structures in cold regions, with special attention to the role of ice loads, permafrost, and other ice effects *shiplifts, marine railways, shipways, and dry docks *offshore moorings *floating breakwaters *marinas *structures that protect bridge piers from ship impact. Offering practical information on all aspects of marine structures, this book serves as an indispensable resource to all engineers and professionals involved in design, construction, maintenance, and modernization of ports and harbors.

Cities and Their Vital Systems

Cities and Their Vital Systems
Author: Advisory Committee on Technology and Society
Publisher: National Academies Press
Total Pages: 1298
Release: 1989
Genre: Social Science
ISBN: 9780309037860

Cities and Their Vital Systems asks basic questions about the longevity, utility, and nature of urban infrastructures; analyzes how they grow, interact, and change; and asks how, when, and at what cost they should be replaced. Among the topics discussed are problems arising from increasing air travel and airport congestion; the adequacy of water supplies and waste treatment; the impact of new technologies on construction; urban real estate values; and the field of "telematics," the combination of computers and telecommunications that makes money machines and national newspapers possible.