Analysis & Design of Deep Foundations and The Underpinning of Distressed Foundation

“Analysis & Design of Deep Foundations and The Underpinning of Distressed Foundation”

4 PDUs for Each Topic

Stay for the full day and earn 8 PDUs with a discounted price.

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Morning Session: Analysis & Design of Deep Foundations  4 PDUs   Time 8:30am to 12:30pm 

This seminar/presentation will cover the salient features of the analysis and design of deep foundations. All structures need to have suitable foundation in or to stand. Since all the loads of the structures are finally transmitted to the foundation; there design must be judiciously made. The presentation consists of the brief introduction of  deep foundations. A deep foundation is a type of foundation that transfers building loads to the earth farther down from the surface than a shallow foundation does to a subsurface layer or a range of depths. Deep foundation is required to carry loads from a structure through weak compressible soils or fills on to stronger and less compressible soils or rocks at depth, or for functional reasons. Deep foundations are founded too deeply below the finished ground surface for their base bearing capacity to be affected by surface conditions, this is usually at depths >3 m below finished ground level.  Deep foundation can be used to transfer the loading to a deeper, more competent strata at depth if unsuitable soils are present near the surface. The various types of deep foundations in general use are hollow box foundations, caissons, cylinders, shaft foundations and pile foundations. Sample calculations will be presented of design of deep foundation of various types of soil conditions. This presentation will also include practical aspects (thumb rule) of design of deep foundation. Few illustrations of foundation failures will be done on account of poor design of deep foundation. Apart from that, discussion will be made on Types of Deep foundation and their suitability to various types of soil.

Afternoon Session: The Underpinning of Distressed Foundation  4 PDUs    Time: 1:00pm to 5:00pm

This presentation describes the basic concept of the underpinning of distressed foundations. It deals with the temporary and permanent support to existing foundations in order to provide additional depth or to increase the soil’s bearing capacity. The intent is to support the structure without failure and without settlement that would be detrimental to its integrity or function. Many types of foundation underpinning are reviewed and methods of analysis are presented under a variety of soil and foundation conditions. Construction processes are also referenced based on specific projects. The Underpinning of Foundations deals with the temporary and permanent support to existing foundations in order to provide additional depth or to increase the soil’s bearing capacity. Underpinning is a repair process that strengthens foundations which have been weakened by a variety of factors. In the process of underpinning, the area underneath the load of the foundation is repaired, made strong or reinforced. Underpinning comes in many types and suits different kinds of repair projects. In order to make the right choice, it is necessary to understand the structure of the whole foundation, the supports used and the factors that cause the foundation to crack or get damaged.

 

Instructor:

Mr. Avinash Prasad is a Licensed Professional Engineer, Land Surveyor with more than three decades of professional experience in civil engineering, surveying & management field since his graduation. He has recently earned Doctor of Philosophy degree from New York University in Civil Engineering. He has double Master of Science Degrees in Civil Engineering and Engineering Management from New Jersey institute of technology, NJ and BS Degree in Civil Engineering. He has more than 2000 hours of continuous professional education as instructor/participating professional (1990-2021) excluding formal education. He is a (NJ) state certified emergency medical technician (EMT), emergency medical responder (EMR), fire fighter (FF). He is a FELLOW of American Society of Civil Engineers and also an active member of several professional organizations such as: AREMA, PMI, AISC, NYSAPLS etc. His technical papers were accepted in multiple ASCE journals and various other organizations like ASCE, AREMA & NYSAPLS conference proceedings for presentation and or publication multiple times.