Which of the following statement is/ are correct in context to Newmark influence chart method.
1
Soil is assumed homogeneous semi infinite, inelastic and isotropic.
2
It is applicable for both stratified as well as unstratified soil.
3
It is a graphical method based on boussinesq theory.
4
If there are 10 concentric circles and 20 radial lines in Newmark’s influence chart then influence factor is 0.005.