Engineering - PDI



Geotechnical Analysis and Investigation for Structures

In order to ensure proper support for bridges and other associated structures, it is generally necessary for contractors and other construction managers to engage a geotechnical engineer to make a complete foundation investigation of the proposed foundation.  The requirements of such an investigation will vary by state, but will typically […]


Pile Buck Guide to Soil Mechanics and Testing

This book is designed to be a comprehensive reference book on both soil mechanics and soil testing. It is primarily intended for the active practitioner in the field, although it is certainly a useful reference for the student. This book is a “compilation,” as it is freely taken from a […]


Test Methods For Driven Piles

A variety of high- and low-strain load test procedures exist to determine the suitability of pile-soil systems for proposed pile design loads. The following article provides deep foundation contractors with a load test overview that discusses implementation and the differing methods commonly utilized. Conducting Load Tests All forms of load […]


An Introduction to Soil Mechanics

By applying the principles of physics, mechanics, hydraulics, strength of materials, and structural engineering – an approach dubbed soil mechanics – geotechnical engineers have gained an understanding of various soil behaviors for a century. Because the analysis of soil is more complex than that of steel or concrete, which are […]

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Saving Money With Foundations Testing

View complete article here. In the previous issue I wrote an article on sustainability which concluded that, when it comes to foundations, sustainability is really a win-win situation. Whether sustainability is achieved by reusing an existing foundation, using fly ash instead of cement in the concrete, or applying additional testing […]


The Importance of Geotechnical Engineering

A Foundational Profession Soil mechanic authorities, subsurface condition experts, foundation designers. These titles all reference geotechnical engineers, professionals that ensure the long-term stability of various structures and earthworks. Tasked with designing foundations, slopes and retaining walls, geotechnical professionals rely heavily on self-conducted site investigations, rather than code-based design. This reliance […]