Failure Mechanism Analysis of Reinforced Foundation from Experimental and Numerical Simulations
Geogrid has been extensively used in engineering practice as a horizontal reinforcing material to improve the performance of foundations, embankments, and road base systems. This paper presented the results of laboratory static load tests on transparent soil foundations reinforced with biaxial polyl...
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| Veröffentlicht in: | KSCE journal of civil engineering 2022-11, Vol.26 (11), p.4511-4525 |
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| creator | Gao, Junli Xie, Xuelei Lu, Ye Zhang, Yapo |
| description | Geogrid has been extensively used in engineering practice as a horizontal reinforcing material to improve the performance of foundations, embankments, and road base systems. This paper presented the results of laboratory static load tests on transparent soil foundations reinforced with biaxial polylactic acid geogrid and studied the reinforcement mechanism and foundation failure mode of the reinforced foundation. The different load settlement behaviour between reinforced foundations with different reinforcement layer numbers was studied by varying the number of geogrid layers. The deformation of reinforcements and foundation soil was recorded with an industrial camera. The strain of the reinforcements was monitored by Fiber Bragg Grating (FBG) sensors. In addition, a two-dimensional discrete element model was established based on the model tests to analyse the load transfer behaviour and deformation law of the reinforced foundation. The results indicated that geogrid can effectively improve the bearing capacity of the foundation. As the number of reinforcement layers increases, the improving effect is more significant. The reinforced soil can provide a stronger upward resistance than unreinforced soil by activating the tensile force of the geogrid. The simulation results present the load transfer behaviour and reinforcement mechanism of geogrid. With the increase of reinforcement layers, the position of the sliding surface moves downward, and the area of the sliding surface increases. Geogrid can limit soil displacement and delay the development of the sliding surface. |
| doi_str_mv | 10.1007/s12205-022-0186-2 |
| format | Article |
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This paper presented the results of laboratory static load tests on transparent soil foundations reinforced with biaxial polylactic acid geogrid and studied the reinforcement mechanism and foundation failure mode of the reinforced foundation. The different load settlement behaviour between reinforced foundations with different reinforcement layer numbers was studied by varying the number of geogrid layers. The deformation of reinforcements and foundation soil was recorded with an industrial camera. The strain of the reinforcements was monitored by Fiber Bragg Grating (FBG) sensors. In addition, a two-dimensional discrete element model was established based on the model tests to analyse the load transfer behaviour and deformation law of the reinforced foundation. The results indicated that geogrid can effectively improve the bearing capacity of the foundation. As the number of reinforcement layers increases, the improving effect is more significant. The reinforced soil can provide a stronger upward resistance than unreinforced soil by activating the tensile force of the geogrid. The simulation results present the load transfer behaviour and reinforcement mechanism of geogrid. With the increase of reinforcement layers, the position of the sliding surface moves downward, and the area of the sliding surface increases. Geogrid can limit soil displacement and delay the development of the sliding surface.</description><identifier>ISSN: 1226-7988</identifier><identifier>EISSN: 1976-3808</identifier><identifier>DOI: 10.1007/s12205-022-0186-2</identifier><language>eng</language><publisher>Seoul: Korean Society of Civil Engineers</publisher><subject>Bearing capacity ; Bragg gratings ; Civil Engineering ; Deformation ; Discrete element method ; Embankments ; Engineering ; Failure mechanisms ; Failure modes ; Foundation failure ; Foundation settlement ; Foundations ; Geotechnical Engineering ; Geotechnical Engineering & Applied Earth Sciences ; Industrial Pollution Prevention ; Load ; Load tests ; Load transfer ; Mathematical models ; Model testing ; Polylactic acid ; Reinforced soils ; Reinforcement ; Sliding ; Slumping ; Soil ; Soil resistance ; Soils ; Static loads</subject><ispartof>KSCE journal of civil engineering, 2022-11, Vol.26 (11), p.4511-4525</ispartof><rights>Korean Society of Civil Engineers 2022</rights><rights>Korean Society of Civil Engineers 2022.</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><cites>FETCH-LOGICAL-c250t-e935882ccb4ef5f736c15bb477d31fe62b56e1e18ac9e4912bde30d171b5a32f3</cites><orcidid>0000-0002-8644-7553 ; 0000-0003-4021-0021 ; 0000-0002-4967-5557</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s12205-022-0186-2$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s12205-022-0186-2$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids></links><search><creatorcontrib>Gao, Junli</creatorcontrib><creatorcontrib>Xie, Xuelei</creatorcontrib><creatorcontrib>Lu, Ye</creatorcontrib><creatorcontrib>Zhang, Yapo</creatorcontrib><title>Failure Mechanism Analysis of Reinforced Foundation from Experimental and Numerical Simulations</title><title>KSCE journal of civil engineering</title><addtitle>KSCE J Civ Eng</addtitle><description>Geogrid has been extensively used in engineering practice as a horizontal reinforcing material to improve the performance of foundations, embankments, and road base systems. This paper presented the results of laboratory static load tests on transparent soil foundations reinforced with biaxial polylactic acid geogrid and studied the reinforcement mechanism and foundation failure mode of the reinforced foundation. The different load settlement behaviour between reinforced foundations with different reinforcement layer numbers was studied by varying the number of geogrid layers. The deformation of reinforcements and foundation soil was recorded with an industrial camera. The strain of the reinforcements was monitored by Fiber Bragg Grating (FBG) sensors. In addition, a two-dimensional discrete element model was established based on the model tests to analyse the load transfer behaviour and deformation law of the reinforced foundation. The results indicated that geogrid can effectively improve the bearing capacity of the foundation. As the number of reinforcement layers increases, the improving effect is more significant. The reinforced soil can provide a stronger upward resistance than unreinforced soil by activating the tensile force of the geogrid. The simulation results present the load transfer behaviour and reinforcement mechanism of geogrid. With the increase of reinforcement layers, the position of the sliding surface moves downward, and the area of the sliding surface increases. Geogrid can limit soil displacement and delay the development of the sliding surface.</description><subject>Bearing capacity</subject><subject>Bragg gratings</subject><subject>Civil Engineering</subject><subject>Deformation</subject><subject>Discrete element method</subject><subject>Embankments</subject><subject>Engineering</subject><subject>Failure mechanisms</subject><subject>Failure modes</subject><subject>Foundation failure</subject><subject>Foundation settlement</subject><subject>Foundations</subject><subject>Geotechnical Engineering</subject><subject>Geotechnical Engineering & Applied Earth Sciences</subject><subject>Industrial Pollution Prevention</subject><subject>Load</subject><subject>Load tests</subject><subject>Load transfer</subject><subject>Mathematical models</subject><subject>Model testing</subject><subject>Polylactic acid</subject><subject>Reinforced soils</subject><subject>Reinforcement</subject><subject>Sliding</subject><subject>Slumping</subject><subject>Soil</subject><subject>Soil resistance</subject><subject>Soils</subject><subject>Static loads</subject><issn>1226-7988</issn><issn>1976-3808</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><sourceid>AFKRA</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNp1kF1LwzAUhosoOOZ-gHcBr6PJydKml2NsKkwFP65Dmp5oR9vMZAX3782s4JXn5nzwvi-cJ8suObvmjBU3kQMwSRkAZVzlFE6yCS-LnArF1GmaAXJalEqdZ7MYtyyVgEIJOcn02jTtEJA8oP0wfRM7suhNe4hNJN6RZ2x654PFmqz90Ndm3_ieuOA7svraYWg67PemJaavyePQpYNN20vTDe2PNF5kZ860EWe_fZq9rVevyzu6ebq9Xy421IJke4qlkEqBtdUcnXSFyC2XVTUvilpwhzlUMkeOXBlb4rzkUNUoWM0LXkkjwIlpdjXm7oL_HDDu9dYPIX0SNZTABGNKiqTio8oGH2NAp3fpBRMOmjN9RKlHlDqh1EeUGpIHRk9M2v4dw1_y_6ZvecB3Hg</recordid><startdate>20221101</startdate><enddate>20221101</enddate><creator>Gao, Junli</creator><creator>Xie, Xuelei</creator><creator>Lu, Ye</creator><creator>Zhang, Yapo</creator><general>Korean Society of Civil Engineers</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7QH</scope><scope>7UA</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>AFKRA</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>F1W</scope><scope>FR3</scope><scope>H96</scope><scope>HCIFZ</scope><scope>KR7</scope><scope>L.G</scope><scope>L6V</scope><scope>M7S</scope><scope>PCBAR</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PTHSS</scope><orcidid>https://orcid.org/0000-0002-8644-7553</orcidid><orcidid>https://orcid.org/0000-0003-4021-0021</orcidid><orcidid>https://orcid.org/0000-0002-4967-5557</orcidid></search><sort><creationdate>20221101</creationdate><title>Failure Mechanism Analysis of Reinforced Foundation from Experimental and Numerical Simulations</title><author>Gao, Junli ; Xie, Xuelei ; Lu, Ye ; Zhang, Yapo</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c250t-e935882ccb4ef5f736c15bb477d31fe62b56e1e18ac9e4912bde30d171b5a32f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Bearing capacity</topic><topic>Bragg gratings</topic><topic>Civil Engineering</topic><topic>Deformation</topic><topic>Discrete element method</topic><topic>Embankments</topic><topic>Engineering</topic><topic>Failure mechanisms</topic><topic>Failure modes</topic><topic>Foundation failure</topic><topic>Foundation settlement</topic><topic>Foundations</topic><topic>Geotechnical Engineering</topic><topic>Geotechnical Engineering & Applied Earth Sciences</topic><topic>Industrial Pollution Prevention</topic><topic>Load</topic><topic>Load tests</topic><topic>Load transfer</topic><topic>Mathematical models</topic><topic>Model testing</topic><topic>Polylactic acid</topic><topic>Reinforced soils</topic><topic>Reinforcement</topic><topic>Sliding</topic><topic>Slumping</topic><topic>Soil</topic><topic>Soil resistance</topic><topic>Soils</topic><topic>Static loads</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Gao, Junli</creatorcontrib><creatorcontrib>Xie, Xuelei</creatorcontrib><creatorcontrib>Lu, Ye</creatorcontrib><creatorcontrib>Zhang, Yapo</creatorcontrib><collection>CrossRef</collection><collection>Aqualine</collection><collection>Water Resources Abstracts</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>Natural Science Collection</collection><collection>Earth, Atmospheric & Aquatic Science Collection</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>ASFA: Aquatic Sciences and Fisheries Abstracts</collection><collection>Engineering Research Database</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>SciTech Premium Collection</collection><collection>Civil Engineering Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><collection>ProQuest Engineering Collection</collection><collection>Engineering Database</collection><collection>Earth, Atmospheric & Aquatic Science Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>Engineering Collection</collection><jtitle>KSCE journal of civil engineering</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Gao, Junli</au><au>Xie, Xuelei</au><au>Lu, Ye</au><au>Zhang, Yapo</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Failure Mechanism Analysis of Reinforced Foundation from Experimental and Numerical Simulations</atitle><jtitle>KSCE journal of civil engineering</jtitle><stitle>KSCE J Civ Eng</stitle><date>2022-11-01</date><risdate>2022</risdate><volume>26</volume><issue>11</issue><spage>4511</spage><epage>4525</epage><pages>4511-4525</pages><issn>1226-7988</issn><eissn>1976-3808</eissn><abstract>Geogrid has been extensively used in engineering practice as a horizontal reinforcing material to improve the performance of foundations, embankments, and road base systems. This paper presented the results of laboratory static load tests on transparent soil foundations reinforced with biaxial polylactic acid geogrid and studied the reinforcement mechanism and foundation failure mode of the reinforced foundation. The different load settlement behaviour between reinforced foundations with different reinforcement layer numbers was studied by varying the number of geogrid layers. The deformation of reinforcements and foundation soil was recorded with an industrial camera. The strain of the reinforcements was monitored by Fiber Bragg Grating (FBG) sensors. In addition, a two-dimensional discrete element model was established based on the model tests to analyse the load transfer behaviour and deformation law of the reinforced foundation. The results indicated that geogrid can effectively improve the bearing capacity of the foundation. As the number of reinforcement layers increases, the improving effect is more significant. The reinforced soil can provide a stronger upward resistance than unreinforced soil by activating the tensile force of the geogrid. The simulation results present the load transfer behaviour and reinforcement mechanism of geogrid. With the increase of reinforcement layers, the position of the sliding surface moves downward, and the area of the sliding surface increases. Geogrid can limit soil displacement and delay the development of the sliding surface.</abstract><cop>Seoul</cop><pub>Korean Society of Civil Engineers</pub><doi>10.1007/s12205-022-0186-2</doi><tpages>15</tpages><orcidid>https://orcid.org/0000-0002-8644-7553</orcidid><orcidid>https://orcid.org/0000-0003-4021-0021</orcidid><orcidid>https://orcid.org/0000-0002-4967-5557</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Bearing capacity Bragg gratings Civil Engineering Deformation Discrete element method Embankments Engineering Failure mechanisms Failure modes Foundation failure Foundation settlement Foundations Geotechnical Engineering Geotechnical Engineering & Applied Earth Sciences Industrial Pollution Prevention Load Load tests Load transfer Mathematical models Model testing Polylactic acid Reinforced soils Reinforcement Sliding Slumping Soil Soil resistance Soils Static loads |
| title | Failure Mechanism Analysis of Reinforced Foundation from Experimental and Numerical Simulations |
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