Drive Point Tests and Measurement-While-Drilling Technologies: Literature Review

Drive point tests (DPT) and measurement-while-drilling (MWD) technologies are recent advances in geotechnical investigations to improve subsurface characterization and foundation design. DPT involves driving a conical penetrometer into the ground to identify bearing layers, such as bedrock, for end-bearing piles. MWD, on the other hand, provides continuous data on drilling parameters like rate of penetration, torque, and rotation speed, enabling detailed geotechnical profiling. While DPT is simple and cost-effective, its reliance on blow counts lacks standardized correlations with geotechnical properties. MWD, adapted from the oil and gas industry, offers unparalleled insights into subsurface conditions, but the integration of MWD into geotechnical practice faces challenges, including the need for standardized methodologies and correlations with traditional testing methods. This literature review covers the principles, applications, and complementary roles of DPT and MWD in geotechnical engineering practice. The integration of these technologies holds potential for improving the accuracy and efficiency of foundation design, particularly in complex geotechnical settings. However, challenges remain, including the lack of standardized correlations, potential sample disturbance, and reliance on empirical methods to estimate pile resistance. This review highlights the importance of combining DPT and MWD data to optimize foundation design and subsurface exploration. Future research should focus on developing standardized methods to correlate DPT and MWD data for improved geotechnical analysis.