Seismic refraction method
Determination of the Physical Properties of Near Surface Layers of Omerulu Area, Nigeria, Using Seismic Refraction Method
... Abstract: Seismic refraction method is a geophysical technique used to study physical properties of the subsurface such as layer thicknesses, travel times and velocities of seismic signals ...
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Characterization of rock layers based on seismic refraction method: a case study of Mentarang s Hydro power Plant, Malinau Regency, North Kalimantan
... etc. Seismic refraction is used in the feasibility study and detailed engineering study (FS DED) of Mentarang's Hydro-power ...the Seismic refraction method can be used as an input ...
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Mapping of geotechnical data using seismic refraction studies
... a seismic refraction method to investigate a geotechnical data for preliminary geotechnical and engineering geology assessment due to subsurface ground ...The method used a concept of ...
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High Resolution in Seismic Refraction Tomography for Environmental Study
... Seismic refraction tomography (SRT) involves more complex mathematic algorithms to fit more flexible ...standard seismic refraction survey to obtain high resolu- tion ...this seismic ...
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The Seismic Refraction Survey to Determine the Depth of Bedrock at the Damansara Area for Horizontal Directional Drilling Method Application
... The seismic refraction method based on the measurement of the travel time of seismic waves refracted at the interfaces between subsurface layers of different ...velocity. Seismic energy ...
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Soil velocity profile on soft soil using seismic refraction
... of seismic raw data was increased by stacking the data during data acquisition using ...in seismic refraction method to observe the wave first arrival in the ...for seismic ...
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Integration of Seismic Refraction and 2D Electrical Resistivity in Locating Geological Contact
... applying seismic refraction and 2D electrical resistivity ...and seismic refraction method was conducted on four survey lines with 3 lines running from NW to SE which about parallel to ...
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Geotechnical Investigation At Sanzule Beach, Ghana, Using Seismic Refraction Tomography
... 4.2 Seismic Refraction Tomography In the seismic refraction method, the seismic waves, created by artificial sources such as a hammer, propagate through the medium and are ...
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A Vertical Array Method for Shallow Seismic. Refraction Surveying of the Sea Floor. J.A. Hunter and S.E. Pullan. Geological Survey of Canada
... Hunter, J.A. and Hobson, G.D., 1974, A seismic refraction method to detect sub- seabottom permafrost: in Proc. of Beaufort Sea Coastal and Shelf Research Symposium, San Francisco, 1974, Arctic ...
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Rippability assessment of weathered sedimentary rock mass using seismic refraction methods
... the seismic velocity chart provided by ...obtaining seismic velocity, P-wave (Vp) using a seismic refraction method to produce a 2D tomography ...2D seismic model was used to ...
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Integral analysis of seismic refraction and ambient vibration survey for subsurface profile evaluation
... on seismic refraction and ambient vibration survey The evaluation of subsurface profile was specifically focused on overburden depth of site ...both method was compared to conclude its efficiency in ...
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Seismic refraction investigation on near surface landslides at the Kundasang area in Sabah, Malaysia
... Keywords: ground damage: landslide ; 2-D seismic refraction method ; primary velocity 1. Introduction Natural disaster has always been a major threat due to its unpredictable occurrence. It is often ...
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Waveform inversion of shallow seismic refraction data using hybrid heuristic search method
... inversion method for SH-wave data obtained in a shallow seismic refraction survey, to determine a 2D inhomogeneous S-wave profile of shallow ...this method, a ...surface seismic ...
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Extended time term method for identifying lateral structural variations from seismic refraction data
... time-term method is a simple travel time inversion for seismic refraction crustal ...this method is based on simple travel time calculation, it is robust in determining a basement velocity ...
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The Beam Forming Technique for Enhancement of Noisy Seismic Refraction Data
... processing method called beam-forming technique which consists basically of introducing relative time delays to individual seismic traces of the seismic refraction spread to correct for the ...
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SEISMIC SHORT-REFRACTION STUDIES ON THE ROSS ICE SHELF, ANTARCTICA*
... The difference in maximum refracted P-wave velocities measured on ice shelves and grounded ice has been attributed by several investigators (e.g. Thiel and Ostenso, 1[r] ...
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Crustal evolution in northwest Australia : evidence from seismic refraction data
... 89 the arrowed phase is interpreted as a F reflection, but the ray theoretical cusp is at twice the epicentral distance. These large amplitudes mean that either the boundaries are sharp, giving rise to large amplitude ...
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Time-lapse refraction seismic tomography for the detection of ground ice degradation
... Time-lapse refraction seismic measurements are capable of detecting temporal changes in alpine permafrost and can even unambiguously identify ground ice ...
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Application Of Shallow Seismic Refraction To Detect Engineering Problems, Madinaty City, Egypt.
... Keywords: Seismic refraction profiles, Primary wave velocity, Shear wave velocity and Poisson’s ...principles. Seismic refraction technique, in especial, has faced during the 30 years an ...
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A comparative analysis of various seismic refraction interpretation techniques over granitic bedrock
... Among all the methods discussed, tomography appears to provide optimum results. Lesser undulations, accurate depth section and precise velocities for different layers marked the operation of tomography. Its essence lies ...
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