摘要: |
The primary objectives of this research will be to further validate the methods developed in BDV31 TWO 977-30, investigate any irregularities in strength prediction (socketed casings, variable rock formations, etc) and/or construction monitoring (rig malfunction), investigate specific energy versus load testing, and provide quantifiable data that supports cost savings, as well as quality assurance in field monitoring drilled shaft installation like current driven pile construction practice. The secondary objective will be to investigate monitoring mechanically driven drill rigs and index testing through core sample analysis which includes dry unit weight, moisture content, porosity, and carbonate content versus rock strength and axial shaft response. |