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Modulus of Subsoil Reaction According to Chadeisson

Based on the measurements on sheeting structures in different soils and computation of a displacement of the structure needed to mobilize the limit value of passive pressure R. Chadeisson (1961) and A. Monnet (1994) derived expression for the determination of the modulus of subsoil reaction in the form:

where:

EI

-

bending stiffness of the structure [kNm2/m]

γ

-

unit weight of soil [kN/m3]

Kp

-

coefficient of passive earth pressure [-]

K0

-

coefficient of earth pressure at rest [-]

c'

-

effective cohesion of soil [kPa]

Ap

-

coefficient of influence of cohesion (1 - 15) [-]

Literature:

Chadeisson, R. (1961): Parois continues moulées dans le sols. Proceedings of the 5th European Conference on Soil Mechanics and Foundation Engineering,Vol. 2. Dunod, Paris, 563-568".

K. J. Bakker, A. Bezuijen, W. Broere, E. A. Kwast: Geotechnical Aspects of Underground Construction in Soft Ground: Proceedings of the 5th International Symposium TC28. Amsterdam, the Netherlands, 15-17 June 2005. CRC Press, 2013, pp. 616, ISBN: 0415889138, 9780415889131.

Monnet, A.: Module de réaction, coefficient de décompression, au sujet des paramètres utilisés dans la méthode de calcul élastoplastique, Revue française de Géotechnique, 65, 1994, pp. 67 - 72.

Mitew, M.: Numerical analysis of displacements of a diaphragm wall. Warsaw University of Technology, Poland.

N. M. ILIEŞ, T. A. HULPUȘ, A. POPA: Design of Anchored Walls: The Influence of Design Approaches and Design Methods. Technical University of Cluj Napoca, Faculty of Civil Engineering, Romania, 2010.