{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/20018"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/20018","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Rapid shear strength evaluation of in situ granular materials utilizing the dynamic cone penetrometer","abstract":"\"Determination of the in situ shear strength of granular materials is an expensive and time consuming endeavor using traditional \"\"detailed\"\" evaluation techniques. The development of several \"\"rapid\"\" evaluation devices has facilitated the determination of the in situ shear strength of fine-grained soils. However, there were no \"\"rapid\"\" evaluation devices suitable for characterizing the in situ shear strength of granular materials.\"","abstract_html":""Determination of the in situ shear strength of granular materials is an expensive and time consuming endeavor using traditional ""detailed"" evaluation techniques. The development of several ""rapid"" evaluation devices has facilitated the determination of the in situ shear strength of fine-grained soils. However, there were no ""rapid"" evaluation devices suitable for characterizing the in situ shear strength of granular materials."","abstract_has_math":false,"creators":["Ayers, Michael Eugene"],"institution":"University of Illinois at Urbana-Champaign","degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Civil and Environmental Engineering","degree_department":null,"school":null,"contributors":["Berger, Richard P."],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2011,"date_issued":"2011-05-07T12:26:10Z","date_published":"2011-05-07T12:26:10Z","updated_at":"2026-07-22T22:25:15Z","subjects":["Engineering, Civil","Engineering, Materials Science"],"languages":["eng"],"rights":["Copyright 1990 Ayers, Michael Eugene"],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["AAI9114169","(UMI)AAI9114169"],"render_values":[{"text":"AAI9114169","href":null,"code":true},{"text":"(UMI)AAI9114169","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/20018","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Berger, Richard P."]},{"key":"dc:creator","label":"Author","values":["Ayers, Michael Eugene"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2011-05-07T12:26:10Z","10000-01-01","1990"]},{"key":"dc:type","label":"Dc Type","values":["text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Civil and Environmental Engineering"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Dissertation"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Ph.D."]},{"key":"thesis:institution_name","label":"Thesis Institution Name","values":["University of Illinois at Urbana-Champaign"]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["Engineering, Civil","Engineering, Materials Science"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["eng"]},{"key":"dc:rights","label":"Dc Rights","values":["Copyright 1990 Ayers, Michael Eugene"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["AAI9114169","(UMI)AAI9114169","http://hdl.handle.net/2142/20018"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["\"Determination of the in situ shear strength of granular materials is an expensive and time consuming endeavor using traditional \"\"detailed\"\" evaluation techniques. The development of several \"\"rapid\"\" evaluation devices has facilitated the determination of the in situ shear strength of fine-grained soils. However, there were no \"\"rapid\"\" evaluation devices suitable for characterizing the in situ shear strength of granular materials.\"","\"One of the most versatile \"\"rapid\"\" evaluation devices is the Dynamic Cone Penetrometer (DCP). The DCP can be used to evaluate a wide range of material types including granular materials with a maximum aggregate size of approximately 2-inches. Existing correlations relating DCP test results to unconfined compressive strength and CBR are available for a range of material types. However, there were no existing correlations to shear strength. This study focused on the determination of correlation equations relating DCP test results to the shear strength of various granular materials.\"","The material types evaluated include: sand, gravel, crushed gravel, crushed dolomitic ballast, and crushed ballast with the inclusion of non-plastic fines. DCP and rapid shear triaxial tests were performed on laboratory molded specimens. The effect of density, gradation, confining pressure, overburden, and other material and test parameters were evaluated. General and material specific correlation equations were developed.","\"The DCP is a viable alternative to traditional \"\"detailed\"\" evaluation procedures. The DCP has a wide range of applications including: relative density determination, compaction control, determination of the strength characteristics of fine-grained and granular materials, location of potential problem areas during initial site investigation, and numerous other uses relating to design and construction of civil engineering projects. The correlations developed in this study facilitate implementation of DCP test results in \"\"state of the art\"\" design and analysis procedures.\"","Made available in DSpace on 2011-05-07T12:26:10Z (GMT). No. of bitstreams: 2 license.txt: 4922 bytes, checksum: 910b249b4beec47e7ab768910c8f966f (MD5) 9114169.pdf: 6055516 bytes, checksum: a1763244c5fcf942b406503f48df45a7 (MD5) Previous issue date: 1990","Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by Howard Ding (hding2@illinois.edu) on 2011-05-07T14:40:59Z Item is restricted indefinitely.","Restriction data tranferred 2014-07-01T11:17:41-05:00 Original Data Group with Access UIUC Users [automated] Release Date: none Reason: ETDs are only available to UIUC Users without author permission","ETDs are only available to UIUC Users without author permission","U of I Only"]},{"key":"dc:title","label":"Title","values":["Rapid shear strength evaluation of in situ granular materials utilizing the dynamic cone penetrometer"]}]}],"canonical_facts":{"dc:contributor":["Berger, Richard P."],"dc:creator":["Ayers, Michael Eugene"],"dc:date":["2011-05-07T12:26:10Z","10000-01-01","1990"],"dc:description":["\"Determination of the in situ shear strength of granular materials is an expensive and time consuming endeavor using traditional \"\"detailed\"\" evaluation techniques. The development of several \"\"rapid\"\" evaluation devices has facilitated the determination of the in situ shear strength of fine-grained soils. However, there were no \"\"rapid\"\" evaluation devices suitable for characterizing the in situ shear strength of granular materials.\"","\"One of the most versatile \"\"rapid\"\" evaluation devices is the Dynamic Cone Penetrometer (DCP). The DCP can be used to evaluate a wide range of material types including granular materials with a maximum aggregate size of approximately 2-inches. Existing correlations relating DCP test results to unconfined compressive strength and CBR are available for a range of material types. However, there were no existing correlations to shear strength. This study focused on the determination of correlation equations relating DCP test results to the shear strength of various granular materials.\"","The material types evaluated include: sand, gravel, crushed gravel, crushed dolomitic ballast, and crushed ballast with the inclusion of non-plastic fines. DCP and rapid shear triaxial tests were performed on laboratory molded specimens. The effect of density, gradation, confining pressure, overburden, and other material and test parameters were evaluated. General and material specific correlation equations were developed.","\"The DCP is a viable alternative to traditional \"\"detailed\"\" evaluation procedures. The DCP has a wide range of applications including: relative density determination, compaction control, determination of the strength characteristics of fine-grained and granular materials, location of potential problem areas during initial site investigation, and numerous other uses relating to design and construction of civil engineering projects. The correlations developed in this study facilitate implementation of DCP test results in \"\"state of the art\"\" design and analysis procedures.\"","Made available in DSpace on 2011-05-07T12:26:10Z (GMT). No. of bitstreams: 2 license.txt: 4922 bytes, checksum: 910b249b4beec47e7ab768910c8f966f (MD5) 9114169.pdf: 6055516 bytes, checksum: a1763244c5fcf942b406503f48df45a7 (MD5) Previous issue date: 1990","Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by Howard Ding (hding2@illinois.edu) on 2011-05-07T14:40:59Z Item is restricted indefinitely.","Restriction data tranferred 2014-07-01T11:17:41-05:00 Original Data Group with Access UIUC Users [automated] Release Date: none Reason: ETDs are only available to UIUC Users without author permission","ETDs are only available to UIUC Users without author permission","U of I Only"],"dc:identifier":["AAI9114169","(UMI)AAI9114169","http://hdl.handle.net/2142/20018"],"dc:language":["eng"],"dc:rights":["Copyright 1990 Ayers, Michael Eugene"],"dc:subject":["Engineering, Civil","Engineering, Materials Science"],"dc:title":["Rapid shear strength evaluation of in situ granular materials utilizing the dynamic cone penetrometer"],"dc:type":["text"],"thesis:degree_discipline":["Civil and Environmental Engineering"],"thesis:degree_level":["Dissertation"],"thesis:degree_name":["Ph.D."],"thesis:institution_name":["University of Illinois at Urbana-Champaign"]},"updated_at":"2026-07-22T22:25:15Z"}