Abstract
Cone Penetration Test or CPT is one of soil investigation which is used to determine the mechanical properties of soil i.e., cone resistance and sleeve friction. Since several decades ago, CPT is often used as a common thread to determine the physical properties of soil such as soil unit weight of soil, soil behaviour type, etc. Thus, empirical approaches have been developed from various countries. However, these empirical approaches are not the same as the condition in Indonesia. Therefore, it is necessary to obtain and develop the suitable correlation for the type of cohesive soil. In this study, primary and secondary data were carried out from Gunung Anyar area. From statical analysis result, the regression shows less than 60% similarity of the model. In addition, the result of this study found that silt and clay soil types were found to dominate in Gunung Anyar area.
Highlights
In construction field, physical and mechanical properties of soil play an important role in evaluating the types and bearing capacity of soil
Cone Penetration Test (CPT) is a test that aims to measures the cone resistance and sleeve friction of soil
Primary data was obtained from direct testing in the field and laboratory and secondary data was obtained from soil investigation in Gunung Anyar area from several private companies
Summary
Physical and mechanical properties of soil play an important role in evaluating the types and bearing capacity of soil. CPT is a test that aims to measures the cone resistance (qc) and sleeve friction (fs) of soil These values are well known as mechanical properties of soil and really important in designing civil construction. Robertson et al developed a chart to estimate the soil behaviour type based on the value between friction ratio (FR) and cone resistance (qc) (see Figure 1.). This chart can be used to determine the value of ߛ/ߛ௪ [1]. There are still many research that presented empirical approaches the correlation between unit weight of soil and cone resistance These empirical studies were designed with soil in another
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