Webinars led by Dr. Sanjay Rana, a professional geophysicist with over 31 years of work experience.
Get up to speed with the latest practices, methodologies, tools and more.
Take home a plethora of resources and tools that you can use right away.
With recent advances in ERI technology and software, practitioners are faced with numerous choices in selecting acquisition and inversion parameters, some of which can affect results substantially. Mistakes in field surveys and interpretation are common in ERT surveys.
The proposed webinar includes a review of the resistivity method followed by instrumentation, survey techniques, data processing and interpretation methods. This course covers the ERT method for practicing field surveyors that are currently involved in resistivity surveys as well as in academic research.
India occupies third position globally with 5254 large dams in operation and 447 dams under construction. Over 80% of our existing dams are more than 25 years old and many of them may be experiencing distress and require assessment of their condition for their operational performance and safety. Traditionally, dam operators have relied on visual observations for assessing condition of dams. In complex structures like dams, reliance on physical manifestation of underlying internal structural problems can be catastrophic. Geophysical techniques can be used for assessing condition of these structures in non-destructive manner. These techniques have been used very effectively for all types of dams. Even if the dam is not showing any sign of distress, it is advisable to know the health of the dam internal condition.
This webinar is designed to train participants in non-destructive techniques for assessing conditions of Dams.
Since its first introduction in the late 1990s, the multichannel analysis of surface waves (MASW) method has been utilized by an increasing number of practitioners for a growing array of geotechnical projects, and further researched by many investigators worldwide. The MASW method provides one of the most critically important geotechnical parameters i.e. stiffness of ground materials. It provides this information in terms of seismic shear-wave velocity (Vs) distribution in both vertical and horizontal directions. From an elastic theory viewpoint, shear-wave velocity (Vs) is the most powerful indicator of a material's stiffness.
The proposed webinar covers the basics of seismic surface waves, data acquisition, and data processing in simple terms. All geophysicists, geologists, geotechnical engineers and researchers dealing with stiffness of ground and pavement can benefit from attending this webinar and learning about this state-of-the-art seismic technique.
The incorrect and inappropriate use of GPR has over the years caused a great deal of damage to its reputation as a bona fide and reliable technology. The objective of this webinar on GPR is to make the participants familiar with basic as well as advanced data acquisition, data processing and interpretation techniques to derive maximum amount of information from data collected.
The webinar will enable the participant to derive maximum information from GPR data and help them design the right GPR investigation program for a particular project requirement. It will also enable them to choose the right combination of antennas for varied geological conditions and resolution requirements.
Having accurate knowledge of subsurface/ underground/ buried utilities (pipes/ cables/ drains etc.) is critical for any infrastructure project. The successful detection and mapping of buried utilities involves the combination of several techniques, the results of which are synthesized down to a single interpreted plot. The techniques and methodologies used will primarily depend upon the required outcome for the survey, the site conditions and the type of pipes or cables being targeted.
Subsurface Utility Engineering (SUE) is an upcoming field dealing with procedure and standards for detection and mapping of underground utilities. The webinar comprehensively covers all the aspects related to conducting a successful underground utility detection and mapping project. The webinar includes tools like Ground Penetrating Radar, EPL, Gas line detector, acoustic locators etc.
Seismic technique is one of the most developed geophysical techniques, providing vital information on subsurface, crucial for most of the engineering projects. Seismic Refraction surveys are routinely carried out for assessment of subsurface conditions prior to engineering projects.
With recent advances in seismic refraction technology and software, practitioners are faced with numerous choices in selecting acquisition and inversion parameters, some of which can affect results substantially. The proposed webinar includes a review of the seismic method followed by instrumentation, survey techniques, data processing and interpretation methods. This course covers the seismic refraction and seismic refraction tomography method for practicing field surveyors that are currently involved in seismic surveys as well as in academic research.
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