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 Status: Withdrawn · Replaced by: ASTM D Buy this standard.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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When you use our service you can be assured the latest editions and easy access. Your shopping cart is empty. Transverse isotropy is a particularly simple form of anisotropy because velocities only vary with vertical incidence angle and not with azimuth. Please sign into an account with a subscription to this content, or email for help at support madcad.
Print 1 2 3 4 5 page sstarting from page current page. Message to your colleague. Report error on page. Other items addressed include source-to-receiver spacing, drilling, casing, grouting, a procedure for borehole installation, and conducting actual borehole and seismic cone tests.
The Crosshole Seismic CS system and method determine shear and compressional wave velocity versus depth profiles. These test methods primarily concern the actu. In addition, they are representative of the significant digits that should generally be retained.
Several types of commercially available receivers and recording systems can also be used to conduct an acceptable downhole survey. 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. Several types of commercially available receivers and recording systems can also be used to conduct an acceptable downhole survey.
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. It is beyond the scope of these test methods to consider significant digits used in analysis methods for engineering design. Several types of commercially available receivers and recording systems can also be used to conduct an acceptable downhole survey.
Remember me for one month. 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. Special consideration should be given to the types of receivers used and their configuration to provide an output that accurately reflects the input motion.
A preferred method intended to obtain data for use on critical projects where the highest quality data is required is included. In addition, they are representative of the significant digits that should generally be retained. Heavily-damped sensors should not be used so that spectral smearing, phase shifting, and latency response between sensors is satm.
In this system, the pound lbf represents a unit of force weightwhile the unit for satm is slugs. Inch-pound units are provided for convenience.
Standard – Standard Test Methods for Downhole Seismic Testing ASTM D –
Are you sure you want to empty the cart? This implicitly combines two separate systems of units; that is, the absolute system and the gravitational system. 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.
This is typically accomplished by coupling a plank to the ground near the borehole and then impacting the plank in the vertical and horizontal asrm.
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Special consideration should be given to the types of receivers used and their configuration. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. 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 scientifically undesirable to combine the use of two separate sets of inch-pound units within a single standard.
Subscribe on standards with our subscription service. Content only available by subscription. Special consideration should be given to the types astk receivers used and their configuration. What is a standard? Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.
This implicitly combines two separate systems of units; that is, the absolute system and the gravitational system. Please login to your authorized staff account to use this feature.
Reliable results depend on many factors; Practice D provides a means of evaluating some of those factors. These test methods primarily concern the actual test procedure, data interpretation, and specifications for equipment which will yield uniform test results.
ASTM D7400 – 17
In this system, the pound lbf represents a unit of force weightwhile the unit for mass is slugs. The Downhold Seismic DS investigations are similar to CS investigations, but require only one borehole to provide shear and compressional velocity wave profiles. 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.
Enter your personal account email address to request a password reset: Contact us svenska Login. Reporting of test results in units other than SI shall not be regarded as non-conformance with this standard.