Modulus of Subsoil Reaction
The following options are available in the program to introduce the modulus of subsoil reaction:
- in the form of distribution (input distribution of the modulus of subsoil reaction kh in front and behind the structure is input)
- as a soil parameter with a respective value (either linear or nonlinear - curve)
- according to Schmitt
- according to Chadeisson
- according to CUR 166
- iterate by using deformation characteristics of soils
- input results of pressuremeter test (according to NF P 94-282, according to Menard)
- input results of the dilatometric test (DMT)
- according to Chinese standards ("c", "k" or "m" method)
The modulus of the horizontal reaction of a soil body generally corresponds to the spring stiffness in the Winkler model describing the relation between load applied to a rigid slab and the resulting soil deformation in the form:
where: | p | - | load acting along the slab-soil interface |
k | - | stiffness of the Winkler spring | |
y | - | translation of the slab into the subsoil |
Definition of the modulus of subsoil reaction