Abstract
Screw Driving Sounding (SDS) test has been developed in Japan as the improved version of the Swedish Weight Sounding (SWS) test. The development of SDS is to reduce the drawbacks of the SWS with the integration of rod friction estimation. Deep boring with Standard Penetration Tests (SPT) together with soil sampling for laboratory tests have been the common procedure for determining the subsurface soil profile and geotechnical engineering properties. However, the SPT which is associated with deep boring, uses high fossil fuels, needs high skilled workers and expensive. This paper presents the SDS technology and the SDS test results in comparison with the existing SPT data from six (6) selected sites in Malaysia. Results show that there is a strong correlation between SPT and SDS data, and the soil profile is better identified using SDS than the SPT. It is predicted that SDS test has the potential to replace conventional soil investigation methods, particularly in soft soils area. It is not just fast, cheap and does not require highly skilled workers but SDS tests supports green technology and sustainability in construction. Quality results are guaranteed from the usage of Industrial Revolution 4.0 technology through automation in testing and making use of the cloud computing to manage the data.
Highlights
Soil investigation is crucial in the construction process, and it needs to be done to prevent catastrophic events or massive damage to occur in the future
From the Screw Driving Sounding (SDS) test, the corrected torque variations with depth are compared with the soil profile from deep boring work
There is a strong correlation between Standard Penetration Test (SPT) and SDS data, and the soil profile is better identified using SDS than the SPT
Summary
Soil investigation is crucial in the construction process, and it needs to be done to prevent catastrophic events or massive damage to occur in the future. One person can carry the SDS test and uses minimal energy to operate [5,7,8] It can determine various parameters for soil classification and properties purposes without extruding the sample for laboratory tests. There is a significant gap in knowledge related to the suitable parameter used via this technique It will significantly contribute as one of the methods which can be applied in the process of soil investigation if a valid correlation between SDS and SPT could be achieved. Universiti Teknologi Malaysia (UTM) had signed a Memorandum of Agreement (MoA) to undertake the Joint Research and Development of SDS tests between UTM and Japan Home Shield Corporation (JHS) in 2017 This is the first attempt of using SDS in site investigation work in Malaysia. This paper presents the SDS test results and the correlations of SDS and SPT data for various soil types, obtained from six (6) sites
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