Bending the Foundation Beam on an Elastic base by Two Winkler's Subgrade Reaction Coefficients | Chapter 9 | Research and Developments in Engineering Research Vol. 4

 A new pattern for analysis of counter beams is bestowed in This phase. Beam on elastic foundation have happened analysed, most usually, established the Winkler’s model in which the soil is fired by a bed of elastic springs. The compressive fighting of soil against the beam deflection is prepared in terms of spring constant k [force/length2/distance], which is a frequent incident in the Euler-Bernoulli beam theory. The inflexibility EI, Winkler's space accompanying modulus of subgrade reaction k, and similarity deformities of the foundation beam accompanying the ground were all considered in the analysis. The resolution is discovered through mathematical analysis of the Winkler's model, accompanying variation of various moduli of the subgrade reaction k2 outside extrasensory perception zone r, while the modulus of the subgrade reaction k endures under the force P, until the definition of minimum turning moments. The epidemic function k2(r), as the geometric position of the minimum importance is approximately assumed. From the potential strength conditions of the interchange of displacement and backlash, the width of the district r and the modulus of the subgrade reaction k2 is definitely determined, presenting in the calculation initial and forethought soil displacement wsi continually. It is well-known that the wrong in shear force and importance distribution can enhance significant in the case of foundation beams accompanying small distance-to-depth percentage subjected to carefully spaced individual column loads, as well as in the case of flanged beams and beams accompanying sandwich-like drawing of individual parts of mechanism.  It is concluded that mathematical example at which point the influence of k and k2 values on turning moments of the counter beam is resolved. The essential idea of this paper search out decrease the quantity of the support in the foundations, beams, i.e. to acquire a cost-efficient endowment construction.

Author(s) Details:

Mirko Balabusic,
Bay of Kotor, Herceg Novi, 85343 Bijela, Jadranska Magistrala Number: 26, Herceg Novi, Montenegro.

Boris Folic,
Innovation Center, Faculty of Mechanical Engineering, University of Belgrade, Serbia.

Slobodan Coric,
Faculty of Mining and Geology, University of Belgrade, Serbia.

Please see the link here: https://stm.bookpi.org/RADER-V4/article/view/10746