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 Status: Withdrawn · Replaced by: ASTM D Buy this standard.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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Heavily-damped sensors should not be used so that spectral smearing, phase shifting, and latency response between sensors is avoided.
e7400 The DS method uses a hammer source at the surface to impact a wood plank and generate shear and compressional waves. In addition, they are representative of the significant digits that should generally be retained. Enter your personal account email address to request a password reset: Are you sure you want to empty the cart?
ASTM D – 08 Standard Test Methods for Downhole Seismic Testing
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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.
No items in cart. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Combining values from the two systems may result in nonconformance with this standard.
In this system, the pound lbf represents a unit of force weightwhile the unit for mass is slugs. 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.
The adtm stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other.
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NDT System Add-On — Crosshole / Downhole Seismic
In this system, the pound lbf represents a unit of force weightwhile the unit for mass is slugs. Reliable results depend on many factors; Practice D provides a means of evaluating some of those factors. Reporting of test results in units other than SI shall not be regarded as non-conformance d700 this standard. These test methods primarily concern the actual test procedure, data interpretation, and specifications for equipment which will yield uniform test results.
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.
Standard – Standard Test Methods for Downhole Seismic Testing ASTM D –
Please login to your authorized staff account to use this feature. Subscribe on standards – Read more. Inch-pound units are provided for convenience. You currently cannot view this content. It is scientifically undesirable to combine the use of two separate sets of inch-pound units within a single standard.
Contact us svenska Login. Soil and Rock II: Shopping cart Close cart 0, foreach: Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.
If you like to setup a quick demo, let us know at support madcad. Several types of commercially available receivers and recording systems can also be used aetm conduct an acceptable downhole survey. 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.
The Downhold Seismic DS investigations are similar to CS investigations, but require only one borehole to provide shear and compressional velocity wave profiles.