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Engineering Geophysical Prospecting
Single hole vs span hole, which drilling wave velocity test is more practical?

What is the principle of single hole and cross hole wave velocity test methods? How is it implemented? What's the difference?

Geotomographie cross-hole seismic CT system in Germany for formation wave velocity test at a port in East Timor

Introduction of German Geotomographie Trans-hole Seismic CT + Wave Velocity Test System 1. The whole system consists of: IPG5000 high-voltage energy storage transmitter; RCU remote control; SBS 42 P-wave transmitting probe; BHC-4 hydrophone chain (receiving P-wave); BIS- SH-DS S-wave electric spark probe in the hole; B

Dry Goods

What is 3D seismic survey? How to choose and deploy observation systems?

Hidden dangers in water resources and hydropower projects

Nanjing Institute of Water Resources Research on the Application of High Density Electrical Instrument in Dam Break Test.

Give the building a pulse 丨 Details on the problems of building structural health monitoring

How to evaluate the damage degree and remaining life of building structures that have been in service for a long time and experienced disasters has become a hot issue for scholars in various countries.

In-depth analysis of "lights" and "eyes" for detecting crustal structure

Seismology is one of the most effective methods to study the deep structure of the earth. The development of seismic tomography and dense array observation methods is an important change in seismology research.

Application of S wave in engineering geophysics

The S-wave seismic method is more effective in determining shear strength and can measure the anisotropy of horizontal and vertical polarization. The main application methods include the wave velocity test in the hole (DHT), the wave velocity test across the hole (CHT), and the cross-hole tomography Wait.

Do you know all about logging?

Logging is a method of measuring geophysical parameters using geophysical properties such as electrochemical characteristics, conductivity characteristics, acoustic characteristics, and radioactivity of the rock formation. How many kinds of logging methods and probes are there? Can you tell the difference?

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