Foundation Engineering 3 min read
Linear Deformation (“Elastic”)
Linear stress-strain behavior follows Hooke’s law (“elastic modulus method”) according to Eq. 3.1. The “elastic modulus” is often called Young’s…
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Foundation Engineering 5 min read
Settlement Calculation
Introduction A foundation is a constructed unit that transfers the load from a superstructure to the ground. With regard to…
Foundation Engineering 3 min read
Comparison between the Eslami-Fellenius and Robertson (1990) Methods
To provide a direct comparison between the Robertson (1990) profiling chart and the Eslami-Fellenius chart, three short series of CPTU…
Foundation Engineering 3 min read
The Eslami-Fellenius CPTU Profiling and Soil Behaviour Type Classification Method
To investigate the use of cone penetrometer data in pile design, Eslami and Fellenius (1997) compiled a database consisting of…
Foundation Engineering 3 min read
Robertson (1990)
Robertson (1990) proposed a development of the Robertson et al. (1986) profiling chart, shown in Fig. 2.8, plotting a “normalized…
Foundation Engineering 3 min read
Vos (1982)
Vos (1982) suggested using the electrical cone penetrometer for Dutch soils to identify soil types from the friction ratio, as…
Foundation Engineering 3 min read
Schmertmann (1978)
Schmertmann (1978) proposed the soil profiling chart shown in Fig. 2.4A. The chart is based on results from mechanical cone…
Foundation Engineering 3 min read
Brief Survey of Soil Profiling Methods
Begemann (1965) Begemann (1965) pioneered soil profiling from the CPT, showing that, while coarse-grained soils generally demonstrate larger values of…
Foundation Engineering 5 min read
Soil Profiling With The Cone Penetrometer
Introduction Design of foundations presupposes that the soil conditions (profile and parameters) at the site have been established by a…
Foundation Engineering 4 min read
Characteristic Point
A small diameter footing, of about 1 metre width, can normally be assumed to distribute the contact stress evenly over…