WebAsymptotic Structure of the Seismic Radiation from an Explosive Column MarcoRosales-Vera ,1 IvánPiñeyro,1 andGastónPinilla2 CODELCOTECH,LosJardines, Santiago,Chile ... explosive,"() istheHeavisideunitstepfunction, isan … WebDec 1, 2012 · The nature of seismic waves from explosive sources in boreholes has been studied. Seismicity is measured by high-frequency high-amplitude triaxial accelerometers. Amplitude and frequency of blast seismic waves are dependent on initiation mode. Measured direct/reverse ratio of PPV is greater than 4 in 3 and 6 m explosive columns. …
Seismic radiation from an explosive column - GeoScienceWorld
WebDec 14, 2024 · Determination of the blasting safety area is a very important step in the process of drilling and blasting works, and the preparation of solid rock materials for loading. Through monitoring and analysis of the negative seismic effects to the objects and infrastructures around and at the mine area, we were able to adapt the drilling and … WebJan 1, 2010 · Seismic radiation from an explosive column January 2010 DOI: 10.1190/1.3294860 Authors: Dane Blair Abstract A scale-independent analytic model of … robitussin 12 hour cough 30 mg/5ml
Seismic radiation from an explosive column GEOPHYSICS
WebJan 6, 2024 · The length of the 2D survey line is approximately 100 km, and a total of 2921 detectors are deployed to receive the seismic data generated by 319 large explosive energy source excitations, with most of the track pitch being 50 m and the offsets of all the single-shot records being variable, in which the maximum offset can reach 40 km. Figure 1 ... WebApr 9, 2024 · A blast expansion cavity is used to establish a relationship between the explosive properties and amplitude frequency of blast-induced seismic waves. In this model, the dominant frequency and amplitude of blast-induced seismic waves are mainly influenced by the initial pressure and the adiabatic exponent of explosives in the same medium. WebIn this work we study the structure of the seismic radiationinthefareldproducedbyanexplosivecolumn. Using an asymptotic solution for the … robitussin 12 hr cough