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Thursday, August 6, 2020 | History

2 edition of Ice forces on rigid, vertical, cylindrical structures found in the catalog.

Ice forces on rigid, vertical, cylindrical structures

D. S. Sodhi

Ice forces on rigid, vertical, cylindrical structures

by D. S. Sodhi

  • 336 Want to read
  • 10 Currently reading

Published by US Army Corps of Engineers, Cold Regions Research & Engineering Laboratory in [Hanover, N.H.] .
Written in English

    Subjects:
  • Ice.,
  • Piling (Civil engineering) -- Cold weather conditions.,
  • Cold regions.

  • Edition Notes

    StatementDevinder S. Sodhi and Carl E. Morris.
    SeriesCRREL report -- 84-33.
    ContributionsMorris, Carl E., Cold Regions Research and Engineering Laboratory (U.S.)
    The Physical Object
    Paginationvi, 36 p. :
    Number of Pages36
    ID Numbers
    Open LibraryOL17558596M

    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. Ice Forces. Ice Forces on Vertical-sided Structures. Alternative Modes. Creep. Buckling. Crushing: A Simple but Incorrect Approach. Crushing: Evidence from Measurements. Crushing: Empirical Representations of the Data. Crushing: Theory. Sloping-sided Structures. Introduction. Mechanics of Ice Interaction with Sloping-sided Structures.

    a force f is applied toa cylindrical roll of paper of radius r and mass m by pulling on the paper as shown. the acceleration of the center of mass of the roll of paper is 4/3 f/m when an object is effectively isolated from external torques like an ice skater twirling on the tip of . The investigated pier has two vertical cylindrical shafts penetrating the ice level. A comparison of tests at scale carried out at Hamburgische Schiffbau Versuchsanstalt (HSVA), in Hamburg, Germany, to tests at scale at the Hydraulics Laboratory of the National Research Council (NRC), Ottawa, Ontario, Canada, lends support to the.

    External forces are due to dead, ice and wind loads, which with the exception of the pressure on the pole must be transmitted to the pole by the wires. The weight of the wires and their coating of sleet, together with the weight of crossarms, insulators and the pole itself is a vertical . condition where competent level ice is acting on a vertical offshore structure. Full-scale data that was obtained on a lighthouse in the Baltic Sea was used in an investigation of local and global ice forces. The ice thickness and the aspect ratio are used as two independent parameters to account for the size effect.


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Ice forces on rigid, vertical, cylindrical structures by D. S. Sodhi Download PDF EPUB FB2

Ice forces on rigid, vertical, cylindrical structures. [Hanover, N.H.]: US Army Corps of Engineers, Cold Regions Research & Engineering Laboratory, [] (OCoLC)   (4) The normalized force on a structure is constant for a ductile crushing failure but rises to a peak in the transition from ductile to brittle failure.

(5) The results of this study may be used to pre- dict Ice forces on rigid ice forces on rigid isolated vertical cylindrical structures for both fresh and saline by: 7. Cold Regions Science and Technology, 12 () 1 - 12 1 Elsevier Science Publishers B.V., Amsterdam - Printed in The Netherlands CHARACTERISTIC FREQUENCY OF FORCE VARIATIONS IN CONTINUOUS CRUSHING OF SHEET ICE AGAINST RIGID CYLINDRICAL STRUCTURES Devinder S.

Sodhi and Carl E. Morris u.s. Army Cold Regions Research and Cited by: The ice forces generated during continuous crushing of an ice sheet against a cylindrical vertical structure vary with time, according to the resistan Cited by: In this paper, a non-local, meshfree numerical method called “peridynamics”, which is based on integral form, was applied to simulate the interaction between level ice and a cylindrical, vertical, rigid structure at different : Minghao Liu, Qing Wang and Wei Lu.

Ice collars increase the thickness of the ice at the contact areas with the structure and therefore have influence on the total ice load on the structure.

After ice level starts to move cylindrical structures book collar collapsed and it is assumed to be the highest load on the structure at this moment. In the work the vertical cylindrical structures were considered.

Similarly, on surface C a force acts with the direction r^ = ri1^4 tan force acts with the direction (29) '^"G""1^' (30) D.

Kolymbas, Ice forces on conical offshore structures where {JL is the coefficient of friction between the cone surface and the rubble ice. To study dynamic ice-structure interaction during crushing failure of ice, indentation tests were conducted by pushing a vertical, flat indentor into the edges of floating ice sheets.

The indentor was supported on three load cells to measure interaction forces at the interface. The second\ud test program was designed to investigate ice bending\ud forces against frictionless rigid conical structures.\ud The test results indicate that centrifugal modeling may\ud provide a means for scaling ice density for small scale\ud model tests.

Ice Force on Structures Introduction significantly influence the mechanical properties of the ice. Various books (e.g., MichelAshtonCammaert and MuggeridgeSanderson ) cover the subjects of formation and types of ice, as well as ice properties.

Request PDF | Loads Exerted by Floating Ice on a Cylindrical Structure | The paper is concerned with the problem of interaction between a coherent floating ice cover and a fixed, rigid, vertically. Bering Strait sea ice and the Fairway Rock icefoot [microform] / A.

Kovacs, D.S. Sodhi and G.F.N. Cox; Ice action on pairs of cylindrical and conical structures [microform] / K. Kato and D.S. Sodhi ; prepar Ice forces on rigid, vertical, cylindrical structures [microform] / Devinder S.

Sodhi and Carl E. Morris; Riprap, & Cold Mountain poems. The third part reviews a number of recent small-scale laboratory investigations. Finally, suggestions are made for improvement of current design guidelines and practices. It is suggested that a group formed from those with the best knowledge available in Canada be assembled to develop design guidelines for ice forces on all types of structures.

Welcome to ICE Virtual Library from ICE Publishing, the most comprehensive online civil engineering resource in the world. Here you can explore our archives back tobrowse ICE Publishing's internationally renowned journals and access over 1, eBooks to find the information you need.

Rigid Body: A combination of large number of particles in which all particles remain at a fixed distance (practically) from one another before and after applying a load.

Material properties of a rigid body are not required to be considered when analyzing the forces acting on the body. In most cases, actual deformations occurring in structures.

Socket-Based Coupling of OpenFOAM and Abaqus to Simulate Vertical Water Entry of Rigid and Deformable Structures the hydrodynamic force on a structure, assuming that the body is rigid. A compliant cylindrical structure has been built and tested in a series of model tests in ice in the Large Ice Model Basin at HSVA.

The structure's stiffness in ice plane is higher in ice drift. Tests have been completed on the _ relationship of ice forces (ice strength) vs pile diameter, ice thickness, and the relative velocity (strain rate) between ice and structures.

Thin cylindrical shell structures are in general highly efficient structures and they have wide applications in the field of mechanical, civil, aerospace, marine, power plants, petrochemical industries, etc. The thin cylindrical shell structures are prone to a large number of imperfections, due to their manufacturing difficulties.

This article describes the expansive force of freezing water, or the force exerted by ice as it freezes and expands. The pressure exerted by freezing water depends on temperatures and other physical conditions, but it can be tremendous - enough to lift buildings, burst pipes & plumbing fixtures, and crush the hulls of ships trapped in ice.

Classification of forces: External forces, constraint forces and internal forces. When analyzing forces in a structure or machine, it is conventional to classify forces as external forces; constraint forces or internal forces.

External forces arise from interaction between the system of interest and its surroundings. Examples of external forces include gravitational forces; lift or drag.Laboratory tests on freshwater ice were conducted by using model structures of various geometries. Vertical and sloping pile sections with diameters up to 36 in.

( cm) were pushed through the ice with an active testing system.This work experimentally compares the water wave slamming of a rigid cylindrical object and a deformable cylindrical composite shell. Wave impact is hereby achieved as a vertical drop on an.