Soil Characterisation Based on Pipejacking Parameters and Spoil Characteristics

Possessing a few geological boreholes distributed along the tunnel alignment is likely to lead to an inability of understanding the complex geological structure of worksite and optimising the tunnelling parameters. This lack of geological borehole will result in a high potential of geo-hazards for tunnelling works. This study proposes an alternative method to dynamically determine the major and other components of ground by taking the pipejacking parameters and spoil characteristics into account. The validity of the proposed method is verified via a case study.