Item talk:Q235904
From geokb
{
"USGS Publications Warehouse": { "@context": "https://schema.org", "@type": "CreativeWork", "additionalType": "Conference publication", "name": "Non-destructive measurement of soil liquefaction density change by crosshole radar tomography, Treasure Island, California", "identifier": [ { "@type": "PropertyValue", "propertyID": "USGS Publications Warehouse IndexID", "value": "70033610", "url": "https://pubs.usgs.gov/publication/70033610" }, { "@type": "PropertyValue", "propertyID": "USGS Publications Warehouse Internal ID", "value": 70033610 }, { "@type": "PropertyValue", "propertyID": "DOI", "value": "10.1061/40523(298)3", "url": "https://doi.org/10.1061/40523(298)3" }, { "@type": "PropertyValue", "propertyID": "ISBN", "value": "9780784405239" } ], "inLanguage": "en", "datePublished": "2000", "dateModified": "2013-12-03", "abstract": "A ground penetrating radar (GPR) experiment at the Treasure Island Test Site [TILT] was performed to non-destructively image the soil column for changes in density prior to, and following, a liquefaction event. The intervening liquefaction was achieved by controlled blasting. A geotechnical borehole radar technique was used to acquire high-resolution 2-D radar velocity data. This method of non-destructive site characterization uses radar trans-illumination surveys through the soil column and tomographic data manipulation techniques to construct radar velocity tomograms, from which averaged void ratios can be derived at 0.25 - 0.5m pixel footprints. Tomograms of void ratio were constructed through the relation between soil porosity and dielectric constant. Both pre- and post-blast tomograms were collected and indicate that liquefaction related densification occurred at the site. Volumetric strains estimated from the tomograms correlate well with the observed settlement at the site. The 2-D imagery of void ratio can serve as high-resolution data layers for numerical site response analysis.", "publisher": { "@type": "Organization", "name": "U.S. Geological Survey" }, "author": [ { "@type": "Person", "name": "Kayen, Robert E. rkayen@usgs.gov", "givenName": "Robert E.", "familyName": "Kayen", "email": "rkayen@usgs.gov", "affiliation": [ { "@type": "Organization", "name": "Pacific Coastal and Marine Science Center", "url": "https://www.usgs.gov/centers/pacific-coastal-and-marine-science-center" } ] }, { "@type": "Person", "name": "Ashford, Scott", "givenName": "Scott", "familyName": "Ashford" }, { "@type": "Person", "name": "Rollins, Kyle", "givenName": "Kyle", "familyName": "Rollins" }, { "@type": "Person", "name": "Barnhardt, Walter A.", "givenName": "Walter A.", "familyName": "Barnhardt" } ] }, "OpenAlex": { "abstract_inverted_index": { "A": [ 0, 40 ], "ground": [ 1 ], "penetrating": [ 2 ], "radar": [ 3, 43, 51, 61, 75 ], "(GPR)": [ 4 ], "experiment": [ 5 ], "at": [ 6, 86, 121, 136 ], "the": [ 7, 18, 65, 99, 122, 128, 133, 137 ], "Treasure": [ 8 ], "Island": [ 9 ], "Test": [ 10 ], "Site": [ 11 ], "[TILT]": [ 12 ], "was": [ 13, 35, 45 ], "performed": [ 14 ], "to": [ 15, 47, 73 ], "non-destructively": [ 16 ], "image": [ 17 ], "soil": [ 19, 66, 102 ], "column": [ 20, 67 ], "for": [ 21, 151 ], "changes": [ 22 ], "in": [ 23 ], "density": [ 24 ], "prior": [ 25 ], "to,": [ 26 ], "and": [ 27, 68, 104, 109, 114 ], "following,": [ 28 ], "a": [ 29 ], "liquefaction": [ 30, 34, 117 ], "event.": [ 31 ], "The": [ 32, 139 ], "intervening": [ 33 ], "achieved": [ 36 ], "by": [ 37 ], "controlled": [ 38 ], "blasting.": [ 39 ], "geotechnical": [ 41 ], "borehole": [ 42 ], "technique": [ 44 ], "used": [ 46 ], "acquire": [ 48 ], "high-resolution": [ 49, 148 ], "2-D": [ 50, 140 ], "velocity": [ 52, 76 ], "data.": [ 53 ], "This": [ 54 ], "method": [ 55 ], "of": [ 56, 93, 142 ], "non-destructive": [ 57 ], "site": [ 58, 153 ], "characterization": [ 59 ], "uses": [ 60 ], "trans-illumination": [ 62 ], "surveys": [ 63 ], "through": [ 64, 98 ], "tomographic": [ 69 ], "data": [ 70, 149 ], "manipulation": [ 71 ], "techniques": [ 72 ], "construct": [ 74 ], "tomograms,": [ 77 ], "from": [ 78, 127 ], "which": [ 79 ], "averaged": [ 80 ], "void": [ 81, 94, 143 ], "ratios": [ 82 ], "can": [ 83, 145 ], "be": [ 84 ], "derived": [ 85 ], "0.25": [ 87 ], "\u2013": [ 88 ], "0.5m": [ 89 ], "pixel": [ 90 ], "footprints.": [ 91 ], "Tomograms": [ 92 ], "ratio": [ 95, 144 ], "were": [ 96, 112 ], "constructed": [ 97 ], "relation": [ 100 ], "between": [ 101 ], "porosity": [ 103 ], "dielectric": [ 105 ], "constant.": [ 106 ], "Both": [ 107 ], "pre-": [ 108 ], "post-blast": [ 110 ], "tomograms": [ 111, 129 ], "collected": [ 113 ], "indicate": [ 115 ], "that": [ 116 ], "related": [ 118 ], "densification": [ 119 ], "occurred": [ 120 ], "site.": [ 123, 138 ], "Volumetric": [ 124 ], "strains": [ 125 ], "estimated": [ 126 ], "correlate": [ 130 ], "well": [ 131 ], "with": [ 132 ], "observed": [ 134 ], "settlement": [ 135 ], "imagery": [ 141 ], "serve": [ 146 ], "as": [ 147 ], "layers": [ 150 ], "numerical": [ 152 ], "response": [ 154 ], "analysis.": [ 155 ] }, "apc_list": null, "apc_paid": null, "authorships": [ { "author_position": "first", "author": { "id": "https://openalex.org/A5020891096", "display_name": "Tsuyoshi Haraguchi", "orcid": "https://orcid.org/0000-0002-0356-072X" }, "institutions": [ { "id": "https://openalex.org/I4210099336", "display_name": "Menlo School", "ror": "https://ror.org/01240pn49", "country_code": "US", "type": "education", "lineage": [ "https://openalex.org/I4210099336" ] } ], "countries": [ "US" ], "is_corresponding": false, "raw_author_name": "Robert E. 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