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- Crosshole_sonic_logging abstract "Crosshole sonic logging (CSL) is a method to verify the structural integrity of drilled shafts and other concrete piles.The CSL method is considered to be more accurate than sonic echo testing in the determination of structural soundness of concrete within the drilled shaft inside of the rebar cage. This method provides little indication of concrete soundness outside the cage.Also known as Crosshole Acoustical Testing, CSL normally requires steel (preferred) or PVC access tubes installed in the drilled shaft and tied to the rebar cage. Before the rebar cage is placed in the hole, the CSL access tubes are attached to the interior of the rebar cage. The cage is then lowered into the hole and the concrete is placed. Steel CSL tubes are preferred over PVC tubes because studies have shown that PVC tubes tend to debond from the concrete due to the heat of hydration process of concrete, resulting in erratic CSL test results.The tubes are filled with water as an intermediate medium. After curing for 3–7 days, a sound source and receiver are lowered, maintaining a consistent elevation between source and sensor. A signal generator generates a sonic pulse from the emitter which is recorded by the sensor. Relative energy, waveform and differential time are recorded, and logged. This procedure is repeated at regular intervals throughout the pile and then mapped. By comparing the graphs from the various combinations of access tubes, a qualitative idea of the structural soundness of the concrete throughout the pile can be gleaned.A more advanced, higher-end analysis that creates a mock 3-dimensional graphical display of the concrete soundness throughout the pile is known as Crosshole Sonic Tomography.".
- Crosshole_sonic_logging wikiPageExternalLink D6760-02.htm.
- Crosshole_sonic_logging wikiPageExternalLink products_construc_sonic_page1.htm.
- Crosshole_sonic_logging wikiPageExternalLink fhcha10.htm.
- Crosshole_sonic_logging wikiPageExternalLink v024.htm.
- Crosshole_sonic_logging wikiPageID "8970045".
- Crosshole_sonic_logging wikiPageLength "3953".
- Crosshole_sonic_logging wikiPageOutDegree "12".
- Crosshole_sonic_logging wikiPageRevisionID "707870753".
- Crosshole_sonic_logging wikiPageWikiLink CSL_access_tubes.
- Crosshole_sonic_logging wikiPageWikiLink Category:Geotechnical_engineering.
- Crosshole_sonic_logging wikiPageWikiLink Concrete.
- Crosshole_sonic_logging wikiPageWikiLink Crosshole_Sonic_Tomography.
- Crosshole_sonic_logging wikiPageWikiLink Deep_foundation.
- Crosshole_sonic_logging wikiPageWikiLink Pile_integrity_test.
- Crosshole_sonic_logging wikiPageWikiLink Polyvinyl_chloride.
- Crosshole_sonic_logging wikiPageWikiLink Rebar.
- Crosshole_sonic_logging wikiPageWikiLink Waveform.
- Crosshole_sonic_logging wikiPageWikiLinkText "Crosshole sonic logging".
- Crosshole_sonic_logging wikiPageWikiLinkText "cross hole sonic logging".
- Crosshole_sonic_logging wikiPageUsesTemplate Template:Citation.
- Crosshole_sonic_logging wikiPageUsesTemplate Template:Commons_category.
- Crosshole_sonic_logging wikiPageUsesTemplate Template:Geotechnical_engineering.
- Crosshole_sonic_logging wikiPageUsesTemplate Template:Reflist.
- Crosshole_sonic_logging subject Category:Geotechnical_engineering.
- Crosshole_sonic_logging hypernym Method.
- Crosshole_sonic_logging type Software.
- Crosshole_sonic_logging type Mechanic.
- Crosshole_sonic_logging type Redirect.
- Crosshole_sonic_logging comment "Crosshole sonic logging (CSL) is a method to verify the structural integrity of drilled shafts and other concrete piles.The CSL method is considered to be more accurate than sonic echo testing in the determination of structural soundness of concrete within the drilled shaft inside of the rebar cage.".
- Crosshole_sonic_logging label "Crosshole sonic logging".
- Crosshole_sonic_logging sameAs Q3698643.
- Crosshole_sonic_logging sameAs Cross-hole.
- Crosshole_sonic_logging sameAs m.027rq40.
- Crosshole_sonic_logging sameAs Q3698643.
- Crosshole_sonic_logging wasDerivedFrom Crosshole_sonic_logging?oldid=707870753.
- Crosshole_sonic_logging isPrimaryTopicOf Crosshole_sonic_logging.