Detection Of Subsurface Cavities

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Detection of Subsurface Cavities

Edward R. Bates
Detection of Subsurface Cavities Book PDF

Author : Edward R. Bates
Publisher : Unknown
Page : 108 pages
File Size : 53,5 Mb
Release : 1973
Category : Caves
ISBN : UOM:39015095009190

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Detection of Subsurface Cavities by Edward R. Bates Pdf

Research has been in progress since July 1970 to determine which geophysical and remote-sensing methods offer the most promising results for detecting subsurface cavities and what might be done to further develop them. Through extensive field tests, it has been determined that none of the standard electrical resistivity procedures give consistently good results. As a result of the initial field testing, a new process of data interpretation has been developed for one specific electrode configuration. Cavities less than 10 feet in diameter and at the depths greater than 100 feet were located. Research is continuing to adapt this process for locating water- or mud-filled cavities.

Detection of Subsurface Cavities by Surface Remote Sensing Techniques

L. S. Fountain,T. E. Owen,F. X. Herzig
Detection of Subsurface Cavities by Surface Remote Sensing Techniques Book PDF

Author : L. S. Fountain,T. E. Owen,F. X. Herzig
Publisher : Unknown
Page : 140 pages
File Size : 48,9 Mb
Release : 1975
Category : Electromagnetic measurements
ISBN : ERDC:35925002680871

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Detection of Subsurface Cavities by Surface Remote Sensing Techniques by L. S. Fountain,T. E. Owen,F. X. Herzig Pdf

The research is part of a program underway to evaluate remote sensing instrumentation and methods for locating subsurface cavities that can cause serious highway construction and maintenance problems. Three methods of subsurface cavity detection based on different geophysical techniques were experimentally evaluated, including ground-penetrating radar, gravity profiling, and earth resistivity profiling. Tests were conducted at three sites having different geological environments. Verification tests showed all methods to be capable of locating air-filled cavities.

Handbook of Geophysical Cavity-locating Techniques with Emphasis on Electrical Resistivity

Keith G. Kirk
Handbook of Geophysical Cavity locating Techniques with Emphasis on Electrical Resistivity Book PDF

Author : Keith G. Kirk
Publisher : Unknown
Page : 192 pages
File Size : 40,9 Mb
Release : 1981
Category : Caves
ISBN : UOM:39015038553452

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Handbook of Geophysical Cavity-locating Techniques with Emphasis on Electrical Resistivity by Keith G. Kirk Pdf

This handbook is primarily a description of the methodology of using earth resistivity techniques for locating cavities. Only a small portion of the handbook will be devoted to the theoretical considerations behind these techniques. However, the annotated bibliography cites ample literature to satisfy the needs of the theoretician. Along with earth resistivity techniques, several geophysical techniques will be examined in lesser detail with respect to cavity location. Micro-gravity, high-resolution seismic reflection profiling, and ground probing radar were selected because they show good success rates in cavity detection. High-resolution seismic profiling shows particularly good promise as an effective tool in cavity location. Techniques in photo interpretation will also be discussed with regard to possible cavity location.

Boundary Element Technology VII

C.A. Brebbia,M.S. Ingber
Boundary Element Technology VII Book PDF

Author : C.A. Brebbia,M.S. Ingber
Publisher : Springer Science & Business Media
Page : 911 pages
File Size : 45,8 Mb
Release : 2012-12-06
Category : Technology & Engineering
ISBN : 9789401128728

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Boundary Element Technology VII by C.A. Brebbia,M.S. Ingber Pdf

Seventh International Conference on Boundary Element Technology 'Betech 92', held at the University of New Mexico in Albuquerque, June 1992

Inverse Problems in Engineering Mechanics

Masataka Tanaka,G.S. Dulikravich
Inverse Problems in Engineering Mechanics Book PDF

Author : Masataka Tanaka,G.S. Dulikravich
Publisher : Elsevier
Page : 622 pages
File Size : 48,7 Mb
Release : 1998-11-09
Category : Technology & Engineering
ISBN : 008053516X

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Inverse Problems in Engineering Mechanics by Masataka Tanaka,G.S. Dulikravich Pdf

Inverse problems can be found in many topics of engineering mechanics. There are many successful applications in the fields of inverse problems (non-destructive testing and characterization of material properties by ultrasonic or X-ray techniques, thermography, etc.). Generally speaking, the inverse problems are concerned with the determination of the input and the characteristics of a mechanical system from some of the output from the system. Mathematically, such problems are ill-posed and have to be overcome through development of new computational schemes, regularization techniques, objective functionals, and experimental procedures. Seventy-two papers were presented at the International Symposium on Inverse Problems in Mechanics (ISIP '98) held in March of 1998 in Nagano, where recent developments in the inverse problems in engineering mechanics and related topics were discussed. The main themes were: mathematical and computational aspects of the inverse problems, parameter or system identification, shape determination, sensitivity analysis, optimization, material property characterization, ultrasonic non-destructive testing, elastodynamic inverse problems, thermal inverse problems, and other engineering applications.

Developments in Geophysical Exploration Methods

A.A. Fitch
Developments in Geophysical Exploration Methods Book PDF

Author : A.A. Fitch
Publisher : Springer Science & Business Media
Page : 284 pages
File Size : 46,6 Mb
Release : 1983-10-31
Category : Science
ISBN : 0853342164

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Developments in Geophysical Exploration Methods by A.A. Fitch Pdf

"The first phase of geophysical exploration is carried out on the subsurface.The subsurface in this phase is inaccessible to direct observation. D.W. Strangway presents an interesting and effective method: audiofrequency magnetotelluric (AMT) sounding. In the second phase where observations can be made, D.J Buchanan writes of fault detection in coal seams, and A. Hussain writes about of gravity surveys.Other contributions include, improvement of geophysical logs by filtering and a troublesome problem which can appear in either phase of exploration-discovery and exploration of caves and abandoned mine workings.'

NUREG/CR.

U.S. Nuclear Regulatory Commission
NUREG CR Book PDF

Author : U.S. Nuclear Regulatory Commission
Publisher : Unknown
Page : 252 pages
File Size : 40,5 Mb
Release : 1981
Category : Nuclear energy
ISBN : MINN:31951D00815683M

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NUREG/CR. by U.S. Nuclear Regulatory Commission Pdf

Subsurface Characterization and Monitoring Techniques

J. Russell Boulding
Subsurface Characterization and Monitoring Techniques Book PDF

Author : J. Russell Boulding
Publisher : DIANE Publishing
Page : 494 pages
File Size : 46,9 Mb
Release : 1996-07
Category : Electronic
ISBN : 9780788132049

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Subsurface Characterization and Monitoring Techniques by J. Russell Boulding Pdf

Provides information on where to go to find detailed guidance on how to use these techniques. Covers: remote sensing & surface geophysical methods; drilling & solids sampling methods; geophysical logging of boreholes; aquifer test methods; ground water sampling methods; Vadose Zone (VZ) hydrologic properties: water state, infiltration, conductivity, & flux; VZ water budget characterization methods; VZ soil-solute/gas sampling & monitoring methods; & chemical field screening & analytical methods. Charts, tables, graphs & drawings.

Cave Investigation

Savas Karabulut,Mualla Çinku
Cave Investigation Book PDF

Author : Savas Karabulut,Mualla Çinku
Publisher : BoD – Books on Demand
Page : 140 pages
File Size : 52,5 Mb
Release : 2017-07-12
Category : Science
ISBN : 9789535133315

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Cave Investigation by Savas Karabulut,Mualla Çinku Pdf

Cave investigation is one of the most interesting research field in natural and earth sciences, showing a rapid development with technological progress. It coincides with a number of scientific disciplines to address the early human histrory, habitats of living lives and specimens. This book will be useful to students and researchers as well as to earth scientists, archeologist, biologist, natural sciences, and other experts in a other related of disciplines. The volume consists of three sections sorted thematically, each focusing on a certain aspect. The book presents results on the determination and definition of caves discussed by means of geographic, geophysical, and geological applications. Geomorphometric analysis using GIS and laser scanning, the importance of electric tomography method in cave detection, the use of groundwater sources in agricultural areas, and the habitats of bats and species are studied on several cave studies.

Inverse Problems in Engineering Mechanics IV

Mana Tanaka
Inverse Problems in Engineering Mechanics IV Book PDF

Author : Mana Tanaka
Publisher : Elsevier
Page : 545 pages
File Size : 46,6 Mb
Release : 2003-11-19
Category : Science
ISBN : 9780080535173

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Inverse Problems in Engineering Mechanics IV by Mana Tanaka Pdf

This latest collection of proceedings provides a state of the art review of research on inverse problems in engineering mechanics. Inverse problems can be found in many areas of engineering mechanics, and have many successful applications. They are concerned with estimating the unknown input and/or the characteristics of a system given certain aspects of its output. The mathematical challenges of such problems have to be overcome through the development of new computational schemes, regularization techniques, objective functionals, and experimental procedures. The papers within this represent an excellent reference for all in the field. Providing a state of the art review of research on inverse problems in engineering mechanics Contains the latest research ideas and related techniques A recognized standard reference in the field of inverse problems Papers from Asia, Europe and America are all well represented

Detection of Abandoned Underground Coal Mines by Geophysical Methods

HRB-Singer, Inc. Environmental Sciences Branch
Detection of Abandoned Underground Coal Mines by Geophysical Methods Book PDF

Author : HRB-Singer, Inc. Environmental Sciences Branch
Publisher : Unknown
Page : 114 pages
File Size : 49,9 Mb
Release : 1972
Category : Abandoned coal mines
ISBN : UIUC:30112008328954

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Detection of Abandoned Underground Coal Mines by Geophysical Methods by HRB-Singer, Inc. Environmental Sciences Branch Pdf

Acid drainage produced by abandoned coal mines continues to cause serious water pollution problems. Without knowing the exact location of the concealed openings and the extent of the mine, source abatement techniques are virtually impossible. Drilling is the only known method for accurately determining the location and extent of the mine voids, but this is extremely expensive. This project attacks the problem through field studies of the following geophysical methods: electrical resistivity, self-potential, infrared radiometry, total field and differential magnetometry, seismic refraction and reflection, very low frequency electromagnetic and induced polarization over well-documented, drift, coal mines. Airborne infrared radiometry proved to be an excellent tool for detecting and mapping acid mine/fresh water sources, acid mine/fresh water drainage, and fracture traces under selected conditions.