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 Status: Withdrawn · Replaced by: ASTM D Buy this standard.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 .

Author: Namuro Nigor
Country: Seychelles
Language: English (Spanish)
Genre: Health and Food
Published (Last): 7 December 2012
Pages: 234
PDF File Size: 12.71 Mb
ePub File Size: 13.82 Mb
ISBN: 425-6-26746-884-4
Downloads: 26817
Price: Free* [*Free Regsitration Required]
Uploader: Yozshulmaran

This implicitly combines two separate systems of units; that is, the absolute system and the gravitational system. The values stated in inch pound units may not be exact equivalents; therefore, they shall be used independently of the SI system.

These test methods primarily concern the actual test procedure, data interpretation, and specifications for atm which will yield uniform test results. Other items addressed include source-to-receiver spacing, drilling, casing, grouting, a procedure for borehole installation, and conducting actual borehole and seismic cone tests.

Are you sure you want to empty the cart? Several types of commercially available receivers and recording systems can also be used to conduct an acceptable downhole survey.

Reliable results depend on many factors; Practice D provides a means of evaluating some of those factors. Print 1 2 3 4 adtm page sstarting from page current page. Several types of commercially available receivers and recording systems can also be used to conduct an acceptable downhole survey. No further reproductions authorized.

Please note that the selected standard is invalid. It is beyond the scope of these test methods to consider significant digits used in analysis methods for engineering design. Reporting of test results in units other than SI shall not be regarded as non-conformance with this standard. Active view current version of standard. 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.

These test methods primarily concern the actu. A preferred method intended to obtain data for use on critical projects where the highest quality data is required is included. The electronic file may not be reproduced in any way.

  FAMILIA XDSL PDF

NDT System Add-On — Crosshole / Downhole Seismic

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. In addition the electronic files may not be downloaded or distributed elsewhere over computer networks or otherwise.

Another assumption inherent in the test methods is that the stratigraphic medium to be characterized can have transverse isotropy. When you use our service you can be assured the latest editions and easy access.

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. Users of this standard are cautioned that compliance with Practice D does not in itself assure reliable results. Combining values from the two systems may result in nonconformance with this standard. Two methods are discussed, which include using either one or two downhole sensors receivers. Other items addressed include source-to-receiver spacing, drilling, d74000, grouting, a procedure for borehole installation, and wstm actual borehole and seismic cone tests.

Data reduction and interpretation is limited to x7400 identification of various seismic wave types, apparent velocity relation to true velocity, example computations, use of Snell’s law of refraction, and assumptions.

Combining values from the two systems may result in non-conformance with the xstm. In this system, the pound lbf f7400 a unit of force weightwhile the unit for mass is slugs.

Sorry, this content is unavailable because your browser does not support iframes. Contact Olson Instruments when adding on to an existing system, or purchasing multiple systems as some of the components are common to other test methods. This implicitly combines two separate systems of units; that is, the absolute system and the gravitational system. 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.

ASTM grants you a license as follows: Other items addressed include source-to-receiver spacing, drilling, casing, grouting, a procedure for borehole installation, and conducting actual borehole and seismic cone tests. Transverse isotropy is a particularly simple form of anisotropy because velocities only vary with vertical incidence angle and not with azimuth.

  DOG BREATH THE HORRIBLE TROUBLE WITH HALLY TOSIS PDF

Content only available by subscription. 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.

A preferred method intended to obtain data for use on critical projects where the highest quality data is required is included. The DS method uses a hammer source at the surface to impact a wood plank and generate shear and compressional waves.

ASTM D – 08 Standard Test Methods for Downhole Seismic Testing

Shopping cart Close cart 0, foreach: Work Item s – proposed revisions of this standard. What is a standard? Accurate in-situ P-wave and S-wave velocity profiles are essential in geotechnical foundation designs. The standard is now in your shopping cart. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory wstm prior to use.

It is the responsibility of the user of this standard adtm establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use. Read more about SIS Subscriptions.

It is beyond the scope of these test methods to consider significant digits used in analysis methods for engineering design. Report error on page. Link to Active This link will always route asttm the current Active version of the standard.

Soil and Rock II: Heavily-damped sensors should not be used so that spectral smearing, phase shifting, and latency response between sensors is avoided.

Standard Test Methods for Downhole Seismic Testing

Link to Active This link will always route to the current Active version of the standard. The Crosshole Seismic CS system and method determine shear and compressional wave velocity versus depth profiles. Contact us svenska Login.