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Questions related from Pranjal Maurya
Hi All, We are working on a seismic refraction project where we are using 113 Geophones of 4.5 Hz. The geophone spacing is 2.5 m and the record length is kept 1 seconds. Aim is to record first...
29 December 2023 6,023 0 View
I use REFLEXW software for GPR data processing. Task is to process and pick Geological layers and any anomalous area from MALA wide range GPR data. It provides two sets of data 1 for low frequency...
04 October 2023 230 4 View
Dear All, I am working on P & S logging data for geotechnical investigation. This survey provides P wave and S wave interval velocities. Poisson's ratio is being calculated by the basic formula...
14 October 2022 5,220 5 View
There are numbers of mode provided in SIR3000 screen (Terrasirch, geology scan, utility scan, concrete scan). Please have a look on attached profiles where I have tried Geology scan (Top section )...
03 January 2020 4,438 3 View
I have processed GPR lines and cross-lines at seperation of every 2.5meter. Lines are not continuous and there are obstacles in between. Please share the procedure to make 3D file in Reflexw...
06 November 2019 1,453 6 View
while processing schlumberger sounding data in IX1D software, we need to input values of layer resistivities, depths (or thickness), for an inital model. In some references, I found the depth is...
24 September 2018 5,353 7 View
I would like to enrich my knowledge on the depositional study of coal formation and occurence of pyrite in coal.
01 August 2018 3,090 4 View
Dear All, Please have a look on attached GPR section for utility detection. Basic processing steps (move start time, subtract mean dewow, Energy decay, background removal ) has been applied but as...
19 July 2017 4,432 14 View
Hi, I need to perform Cross-hole Tomography using Air gun as a source. Boreholes depth is 50 meter and separation is 40-60 meter. We are going to use Bauer's Junior II Compressor for high pressure...
07 December 2016 2,229 0 View
Fellows, I need to interpret GPR 2D sections processed by using Reflex-2D. the scope of work is to detect air gaps or voids under the reinforced concrete slab. Please share your ideas...
16 March 2016 916 7 View
Dear All, Please have a look on attached section (upper image: Raw, Lower image: processed) processed for utility in Reflex software. Antenna frequency-400MHz. Applied Processing...
31 August 2015 4,831 15 View
I am doing MASW survey, some where I am observing hard concrete surface and some places exposed limestone. In both case I am getting reverse dispersion curve i.e. phase velocity is increasing with...
12 March 2015 8,341 8 View
Dear All, For MASW acquisition, I am using 48 channel streamer with near offset 8 meter so the mid point will be 31.5m (23.5+8) behind the shot location. I have some questions : 1. I used to keep...
13 January 2015 3,553 5 View
Which method is best suitable for VLF-EM inversion? Upto now I've generated apparent current density depth sections using Karous-Hjelt filter and surfer.
21 June 2013 3,695 3 View
