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 Status: Withdrawn ยท Replaced by: ASTM D Buy this standard.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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The energy from these impacts is then received by a pair of matching three component geophone receivers, which have been lowered downhole and are spaced 5 to 10 ft 1.

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It is scientifically undesirable to combine the use of two separate sets of inch-pound units within a single standard. It is scientifically undesirable to combine the use of two separate sets of inch-pound units within a single standard.

The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of 7d400 other.

Standard Test Methods for Downhole Seismic Testing

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. Subscribe on standards with our subscription service. These test methods primarily concern the actu. Reliable results depend on many factors; Practice D provides a means of evaluating some of those factors. These dynamic soil and rock properties are often utilized for earthquake design analyses necessary for certain structures, liquefaction potential studies, site development, and dynamic machine foundation design.

There were no books found for the applied search filters. 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.

Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Reporting of test results in units other than SI shall not be regarded as non-conformance with this standard. In this system, the pound lbf represents a unit of force weightwhile the unit for mass is slugs. It is beyond the scope of these test methods to consider significant digits used in analysis methods for engineering design.

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A preferred method intended to obtain data for use on critical projects where the highest quality data is required is included. Special consideration should be given to the types of receivers used and their configuration to provide an output that accurately reflects the input motion. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

The quality of the results produced by this standard is dependent on the competence of the personnel performing it, and the suitability of the equipment and facilities. Work Item s – proposed revisions of this standard.

ASTM D – 17 Standard Test Methods for Downhole Seismic Testing

Your shopping cart is empty. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. No further reproductions authorized. Click here for Agents. 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.

A preferred method intended to obtain data for use on critical projects where the highest quality data is required is included. In this system, the pound lbf represents a unit of force weightwhile the unit for mass is slugs. Enter your account email address to request a password reset: Combining values from the two systems may result in non-conformance with the standard.

What is a standard? Please note that the selected standard is invalid. ASTM grants you a license as follows: Combining values from the two systems may result in nonconformance with this standard.

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Are you sure you want to empty the cart? Another important use of estimated shear wave velocities in geotechnical design is in the liquefaction assessment of soils.

Several types of commercially available receivers and recording systems can also be used to conduct an acceptable downhole survey. General terms and conditions Cookies och Javascript Disclaimer Contact. Register for a trial account.

No items in cart. Several types of commercially available receivers and recording systems can also be used to conduct an acceptable downhole survey. When you use our service you can be assured the latest editions and easy access. Users of this standard are cautioned that compliance with Practice D does not in itself assure reliable results. All of Olson Instruments have been researched, tested, and used on-site daily by our sister company, Olson Engineeringworld reknowned for NDT consulting.

It is beyond the scope of these test methods to consider significant digits used in analysis methods for engineering design. In addition, the material damping can be determined from CS tests. This is typically accomplished by coupling a plank to the ground near the borehole and then impacting the plank in the vertical and horizontal directions.

In addition, they are representative of the significant digits that should generally be retained. The Downhold Seismic DS investigations are similar to CS investigations, but require only one borehole to provide shear and compressional velocity wave profiles.

Enter your personal account email address to request a password reset: Special consideration should be given to the types of receivers used and their configuration. The OE Website is loaded with Tech Brief and project photos using the equipment shown on this website.

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