Axial resistance of long rock-socketed bored piles in stratified soils
This paper presents the results of static compression load tests performed on long rock-socked bored piles installed in stratified soils. Three bored piles with 34m in embedded length were instrumented in order to separate the shaft and base resistance, and to allow the determination of the distribu...
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| Veröffentlicht in: | Ocean engineering 2016-03, Vol.114, p.58-65 |
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| creator | Kou, Hai-lei Guo, Wei Zhang, Ming-yi Xu, Yi-qing |
| description | This paper presents the results of static compression load tests performed on long rock-socked bored piles installed in stratified soils. Three bored piles with 34m in embedded length were instrumented in order to separate the shaft and base resistance, and to allow the determination of the distribution of shaft resistance along the pile shaft. Conventional methods of estimating shaft resistance were assessed. It was found that more than 78% of the shaft resistance was provided by shaft friction at the end of tests. The base resistance has not been fully mobilized in the test. The recommendations of Chinese technical code (JG94-2008) to estimate the shaft resistance were more conservative for long rock-socketed bored piles. Empirical correlations to estimate the shaft resistance are limited due to different geological conditions. The methods which incorporated parameters directly interpreted from standard penetration test (SPT) results provided the most consistent estimates.
•Monitor load-displacement response of long bored piles installed in stratified soils.•Monitor base resistance of long bored piles in stratified soils.•Monitor shaft resistance of long bored piles in stratified soils.•Conventional methods of estimating shaft resistance were assessed. |
| doi_str_mv | 10.1016/j.oceaneng.2016.01.013 |
| format | Article |
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•Monitor load-displacement response of long bored piles installed in stratified soils.•Monitor base resistance of long bored piles in stratified soils.•Monitor shaft resistance of long bored piles in stratified soils.•Conventional methods of estimating shaft resistance were assessed.</description><subject>Base resistance</subject><subject>Compression loads</subject><subject>Correlation</subject><subject>Estimates</subject><subject>Field tests</subject><subject>Marine</subject><subject>Ocean engineering</subject><subject>Penetration</subject><subject>Piles</subject><subject>Shaft resistance</subject><subject>Soils</subject><issn>0029-8018</issn><issn>1873-5258</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNqNUMtKA0EQHETBGP0F2aOXjfNwHnszBF8Q8KLnYXa2J0zc7MTpjejfOyF6Vmiq6aaqoIqQS0ZnjDJ1vZ4lD26AYTXj5Z5RVkYckQkzWtSSS3NMJpTypjaUmVNyhrimlCpFxYTczz-j66sMGHF0g4cqhapPw6rKyb_VWABG6Ko25YLb2ANWcahwzG6MIZYfptjjOTkJrke4-NlT8np_97J4rJfPD0-L-bL2QpuxbpRoNShHnZAtb6XSnrXcBaF4a4RQqlNBNr6TrhPcQwjAIQhjBAMF7IaJKbk6-G5zet8BjnYT0UPfl_xph5ZpQyVvhG7-QdXCcKOlKVR1oPqcEDMEu81x4_KXZdTuO7Zr-9ux3XdsKSsjivD2IISS-SNCtugjlBa7mMGPtkvxL4tvYveIZw</recordid><startdate>20160301</startdate><enddate>20160301</enddate><creator>Kou, Hai-lei</creator><creator>Guo, Wei</creator><creator>Zhang, Ming-yi</creator><creator>Xu, Yi-qing</creator><general>Elsevier Ltd</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7TN</scope><scope>F1W</scope><scope>H96</scope><scope>L.G</scope><scope>7SU</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>H8D</scope><scope>KR7</scope><scope>L7M</scope></search><sort><creationdate>20160301</creationdate><title>Axial resistance of long rock-socketed bored piles in stratified soils</title><author>Kou, Hai-lei ; Guo, Wei ; Zhang, Ming-yi ; Xu, Yi-qing</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c378t-963b7e6a0a35b2b567c1b2af362b83366d6f59cd5ad32ceffe2ef38831e6e1413</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>Base resistance</topic><topic>Compression loads</topic><topic>Correlation</topic><topic>Estimates</topic><topic>Field tests</topic><topic>Marine</topic><topic>Ocean engineering</topic><topic>Penetration</topic><topic>Piles</topic><topic>Shaft resistance</topic><topic>Soils</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Kou, Hai-lei</creatorcontrib><creatorcontrib>Guo, Wei</creatorcontrib><creatorcontrib>Zhang, Ming-yi</creatorcontrib><creatorcontrib>Xu, Yi-qing</creatorcontrib><collection>CrossRef</collection><collection>Oceanic Abstracts</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>Environmental Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Aerospace Database</collection><collection>Civil Engineering Abstracts</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Ocean engineering</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Kou, Hai-lei</au><au>Guo, Wei</au><au>Zhang, Ming-yi</au><au>Xu, Yi-qing</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Axial resistance of long rock-socketed bored piles in stratified soils</atitle><jtitle>Ocean engineering</jtitle><date>2016-03-01</date><risdate>2016</risdate><volume>114</volume><spage>58</spage><epage>65</epage><pages>58-65</pages><issn>0029-8018</issn><eissn>1873-5258</eissn><abstract>This paper presents the results of static compression load tests performed on long rock-socked bored piles installed in stratified soils. Three bored piles with 34m in embedded length were instrumented in order to separate the shaft and base resistance, and to allow the determination of the distribution of shaft resistance along the pile shaft. Conventional methods of estimating shaft resistance were assessed. It was found that more than 78% of the shaft resistance was provided by shaft friction at the end of tests. The base resistance has not been fully mobilized in the test. The recommendations of Chinese technical code (JG94-2008) to estimate the shaft resistance were more conservative for long rock-socketed bored piles. Empirical correlations to estimate the shaft resistance are limited due to different geological conditions. The methods which incorporated parameters directly interpreted from standard penetration test (SPT) results provided the most consistent estimates.
•Monitor load-displacement response of long bored piles installed in stratified soils.•Monitor base resistance of long bored piles in stratified soils.•Monitor shaft resistance of long bored piles in stratified soils.•Conventional methods of estimating shaft resistance were assessed.</abstract><pub>Elsevier Ltd</pub><doi>10.1016/j.oceaneng.2016.01.013</doi><tpages>8</tpages></addata></record> |
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| language | eng |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Base resistance Compression loads Correlation Estimates Field tests Marine Ocean engineering Penetration Piles Shaft resistance Soils |
| title | Axial resistance of long rock-socketed bored piles in stratified soils |
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