ASTM D7400 PDF

Standard Number, ASTM D – Title, Standard Test Methods for Downhole Seismic Testing. Status, Current. Publication Date, Standard Test Methods for Downhole Seismic Testing. Status: Withdrawn ยท Replaced by: ASTM D Buy this standard. Price: SEK. PDF. Add to cart. ASTM D Significance and Use. The seismic downhole method provides a designer with information pertinent to the seismic wave velocities of the materials .

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Also included is an optional method intended for use on projects which do not require measurements of a high degree of precision. The OE Website is loaded with Tech Brief and project photos using the equipment shown on this website. Special consideration should be given to the types of receivers used and their configuration.

What is a standard? Soil and Rock II: Please sign into an account with a subscription to this content, or email for help at support madcad. The DS method uses a hammer source at the surface to impact a wood plank and generate shear and compressional waves. If you like to setup a quick demo, let us know at support madcad.

Sustainable Development Goals and standardisation, how do they connect? Work Item s – proposed revisions of this standard.

Combining values from the two systems may result in nonconformance with this standard. This implicitly combines two separate systems of units; that is, the absolute system and the gravitational system. Content only available by subscription. When you use our service you can be assured the latest editions and easy access.

Other items addressed include source-to-receiver spacing, drilling, casing, grouting, a procedure for borehole installation, and conducting actual borehole and seismic cone tests. Special consideration should be given to the types of receivers used and their configuration. Active view current version of standard. Heavily-damped sensors should not be used so that spectral smearing, phase shifting, and latency response between sensors is avoided.

These parameters are used in both analyses of soil behavior under both static and dynamic loads where the elastic constants are input variables into the models defining the different states of deformations such as elastic, elasto-plastic, and failure.

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All of Olson Instruments have been researched, tested, and used on-site daily by our sister company, Olson Engineeringworld reknowned for NDT consulting. Reliable results depend on many factors; Practice D provides a means of evaluating some of those factors. The Crosshole Seismic CS system and method determine shear and compressional wave velocity versus depth profiles.

A preferred method intended to obtain data for use on critical projects where the highest quality data is required is included. It is scientifically undesirable to combine the use of two separate sets of inch-pound units within a single standard.

The standard is now in your shopping cart. It is beyond the scope of these test methods to consider significant digits used in analysis methods for engineering design. Shopping cart Close cart 0, foreach: There were no books found for the applied search filters.

It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Other items addressed include source-to-receiver spacing, drilling, casing, grouting, a procedure for borehole installation, and conducting actual borehole and seismic cone tests. Data reduction and interpretation is limited to the identification of various seismic wave types, apparent velocity relation to true velocity, example computations, ast of Snell’s law of refraction, asmt assumptions.

Please login to your authorized staff account asgm use this feature. Also included is an optional method intended for use on projects which do not require measurements of a high degree of precision.

General terms and conditions Cookies och Javascript Disclaimer Contact. The Downhold Seismic DS adtm are similar to CS investigations, but require only one borehole to provide shear and compressional velocity wave profiles.

The right to access the electronic files of ASTM Standards is for purposes of viewing for individual use only. The values stated in inch pound units may not be exact equivalents; therefore, they shall be used independently of the SI system.

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D Standard Test Methods for Downhole Seismic Testing, –

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Other items addressed include source-to-receiver spacing, drilling, casing, grouting, a procedure for borehole installation, and conducting actual borehole and seismic cone tests. Click here for Agents. Subscribe on standards with our subscription service. The instruments are coupled to the side of the grouted borehole inclinometer casing, allowing for the detection of shear and compressional waves as they pass between the receivers.

In addition, they are representative of the significant digits that should generally be retained. It is scientifically undesirable to combine the use of two separate sets of inch-pound units within a single standard.

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Standard Test Methods for Downhole Seismic Testing

The most complete version of this downhole system, as manufactured by Olson Instruments, is comprised of a borehole source capable of generating shear and compressional waves and a pair of matching three component triaxial geophone receivers.

Sorry, this content is sstm because your browser does not support iframes. Reporting of test results in units other than SI shall not be regarded as non-conformance with this standard. Message to your colleague.

Standard – Standard Test Methods for Downhole Seismic Testing ASTM D –

Another assumption inherent in the test methods is that the stratigraphic medium to be characterized can have transverse isotropy. No items in cart. Transverse isotropy is a particularly simple form of anisotropy because velocities only vary with vertical incidence angle and not with azimuth. Data reduction and interpretation is limited to the identification of various seismic wave types, apparent velocity relation to true velocity, example computations, use of Snell’s law of refraction, and assumptions.