Evaluation of the Pullout Resistance of Soil Nails in Tehran Alluvium by Considering the Overburden Pressure Effect
The present study evaluates the pullout and bond resistance of soil nails by considering the overburden pressure effect in Tehran alluvium consisted of four units depending on the deposition age. In order to investigate the pullout resistance, a series of 42 in situ pullout tests are performed in un...
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| Veröffentlicht in: | Geotechnical and geological engineering 2020, Vol.38 (1), p.743-754 |
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| creator | Moayed, Reza Ziaie Namaei, Ali |
| description | The present study evaluates the pullout and bond resistance of soil nails by considering the overburden pressure effect in Tehran alluvium consisted of four units depending on the deposition age. In order to investigate the pullout resistance, a series of 42 in situ pullout tests are performed in unit A, B and C contained coarse grained soils and clayey soils chosen from unit D of Tehran alluvium. Moreover, a one-way analysis of variance has been conducted to evaluate the proportion of soil and overburden pressure effect on the pullout resistance. The obtained results were compared with a conventional code (FHWA-NHI-14-007) criterion and it was concluded that the SPT base pullout resistance is more conservative method for evaluating soil nail pullout resistance. The results indicate that the bond resistance of soil nails increases as the overburden pressure increases in coarse grained soil, but the overburden pressure does not have a significant effect on the bond resistance in clayey soil. It seems that the overburden pressure effect is mobilized by inter granular stress transmission. Furthermore, it was found that the soil nail bond resistance is depended on the construction quality. As the quality of construction reduces, the bond strength decreases. The construction quality is highly affected the soil nails nearby the excavation ground surface where the overburden pressure does not have a significant influence on the pullout capacity. |
| doi_str_mv | 10.1007/s10706-019-01063-0 |
| format | Article |
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In order to investigate the pullout resistance, a series of 42 in situ pullout tests are performed in unit A, B and C contained coarse grained soils and clayey soils chosen from unit D of Tehran alluvium. Moreover, a one-way analysis of variance has been conducted to evaluate the proportion of soil and overburden pressure effect on the pullout resistance. The obtained results were compared with a conventional code (FHWA-NHI-14-007) criterion and it was concluded that the SPT base pullout resistance is more conservative method for evaluating soil nail pullout resistance. The results indicate that the bond resistance of soil nails increases as the overburden pressure increases in coarse grained soil, but the overburden pressure does not have a significant effect on the bond resistance in clayey soil. It seems that the overburden pressure effect is mobilized by inter granular stress transmission. Furthermore, it was found that the soil nail bond resistance is depended on the construction quality. As the quality of construction reduces, the bond strength decreases. The construction quality is highly affected the soil nails nearby the excavation ground surface where the overburden pressure does not have a significant influence on the pullout capacity.</description><identifier>ISSN: 0960-3182</identifier><identifier>EISSN: 1573-1529</identifier><identifier>DOI: 10.1007/s10706-019-01063-0</identifier><language>eng</language><publisher>Cham: Springer International Publishing</publisher><subject>Alluvial deposits ; Alluvium ; Bond strength ; Bonding strength ; Civil Engineering ; Clay ; Clay soils ; Coarse-grained soils ; Coarsening ; Construction ; Dredging ; Earth and Environmental Science ; Earth Sciences ; Excavation ; Geotechnical Engineering & Applied Earth Sciences ; Hydrogeology ; Original Paper ; Overburden ; Pressure ; Pressure effects ; Pull out tests ; Pull-out resistance ; Soil ; Soil nailing ; Soil resistance ; Soils ; Terrestrial Pollution ; Variance analysis ; Waste Management/Waste Technology</subject><ispartof>Geotechnical and geological engineering, 2020, Vol.38 (1), p.743-754</ispartof><rights>Springer Nature Switzerland AG 2019</rights><rights>Geotechnical and Geological Engineering is a copyright of Springer, (2019). All Rights Reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a342t-faad399e407a4132ab762e438034b3fc6a949cbfe7e3658241529b6518526e0a3</citedby><cites>FETCH-LOGICAL-a342t-faad399e407a4132ab762e438034b3fc6a949cbfe7e3658241529b6518526e0a3</cites><orcidid>0000-0001-6791-3275</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/s10706-019-01063-0$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s10706-019-01063-0$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27922,27923,41486,42555,51317</link.rule.ids></links><search><creatorcontrib>Moayed, Reza Ziaie</creatorcontrib><creatorcontrib>Namaei, Ali</creatorcontrib><title>Evaluation of the Pullout Resistance of Soil Nails in Tehran Alluvium by Considering the Overburden Pressure Effect</title><title>Geotechnical and geological engineering</title><addtitle>Geotech Geol Eng</addtitle><description>The present study evaluates the pullout and bond resistance of soil nails by considering the overburden pressure effect in Tehran alluvium consisted of four units depending on the deposition age. In order to investigate the pullout resistance, a series of 42 in situ pullout tests are performed in unit A, B and C contained coarse grained soils and clayey soils chosen from unit D of Tehran alluvium. Moreover, a one-way analysis of variance has been conducted to evaluate the proportion of soil and overburden pressure effect on the pullout resistance. The obtained results were compared with a conventional code (FHWA-NHI-14-007) criterion and it was concluded that the SPT base pullout resistance is more conservative method for evaluating soil nail pullout resistance. The results indicate that the bond resistance of soil nails increases as the overburden pressure increases in coarse grained soil, but the overburden pressure does not have a significant effect on the bond resistance in clayey soil. It seems that the overburden pressure effect is mobilized by inter granular stress transmission. Furthermore, it was found that the soil nail bond resistance is depended on the construction quality. As the quality of construction reduces, the bond strength decreases. The construction quality is highly affected the soil nails nearby the excavation ground surface where the overburden pressure does not have a significant influence on the pullout capacity.</description><subject>Alluvial deposits</subject><subject>Alluvium</subject><subject>Bond strength</subject><subject>Bonding strength</subject><subject>Civil Engineering</subject><subject>Clay</subject><subject>Clay soils</subject><subject>Coarse-grained soils</subject><subject>Coarsening</subject><subject>Construction</subject><subject>Dredging</subject><subject>Earth and Environmental Science</subject><subject>Earth Sciences</subject><subject>Excavation</subject><subject>Geotechnical Engineering & Applied Earth Sciences</subject><subject>Hydrogeology</subject><subject>Original Paper</subject><subject>Overburden</subject><subject>Pressure</subject><subject>Pressure effects</subject><subject>Pull out tests</subject><subject>Pull-out resistance</subject><subject>Soil</subject><subject>Soil nailing</subject><subject>Soil resistance</subject><subject>Soils</subject><subject>Terrestrial Pollution</subject><subject>Variance analysis</subject><subject>Waste Management/Waste Technology</subject><issn>0960-3182</issn><issn>1573-1529</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>AFKRA</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNp9kM1OwzAQhC0EEqXwApwscQ6s7cROjqgqP1JFKyhny0k31FXqFDuu1LcnaZG4cVjtYWdmNR8htwzuGYB6CAwUyARY0Q9IkcAZGbFMiYRlvDgnIygkJILl_JJchbABAC6BjUiY7k0TTWdbR9uadmuki9g0bezoOwYbOuMqHC4frW3om7FNoNbRJa69cfSxaeLexi0tD3TSumBX6K37OsbM9-jL6Ffo6MJjCNEjndY1Vt01uahNE_Dmd4_J59N0OXlJZvPn18njLDEi5V1SG7MSRYEpKJMywU2pJMdU5CDSUtSVNEVaVGWNCoXMcp4OVUuZsTzjEsGIMbk75e58-x0xdHrTRu_6l5rzIsuFkEr1Kn5SVb4NwWOtd95ujT9oBnqAq09wdQ9XH-Fq6E3iZAq7oTD6v-h_XD9qwXzN</recordid><startdate>2020</startdate><enddate>2020</enddate><creator>Moayed, Reza Ziaie</creator><creator>Namaei, Ali</creator><general>Springer International Publishing</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7TN</scope><scope>7UA</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>AEUYN</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>H96</scope><scope>HCIFZ</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/0000-0001-6791-3275</orcidid></search><sort><creationdate>2020</creationdate><title>Evaluation of the Pullout Resistance of Soil Nails in Tehran Alluvium by Considering the Overburden Pressure Effect</title><author>Moayed, Reza Ziaie ; Namaei, Ali</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a342t-faad399e407a4132ab762e438034b3fc6a949cbfe7e3658241529b6518526e0a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Alluvial deposits</topic><topic>Alluvium</topic><topic>Bond strength</topic><topic>Bonding strength</topic><topic>Civil Engineering</topic><topic>Clay</topic><topic>Clay soils</topic><topic>Coarse-grained soils</topic><topic>Coarsening</topic><topic>Construction</topic><topic>Dredging</topic><topic>Earth and Environmental Science</topic><topic>Earth Sciences</topic><topic>Excavation</topic><topic>Geotechnical Engineering & Applied Earth Sciences</topic><topic>Hydrogeology</topic><topic>Original Paper</topic><topic>Overburden</topic><topic>Pressure</topic><topic>Pressure effects</topic><topic>Pull out tests</topic><topic>Pull-out resistance</topic><topic>Soil</topic><topic>Soil nailing</topic><topic>Soil resistance</topic><topic>Soils</topic><topic>Terrestrial Pollution</topic><topic>Variance analysis</topic><topic>Waste Management/Waste Technology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Moayed, Reza Ziaie</creatorcontrib><creatorcontrib>Namaei, Ali</creatorcontrib><collection>CrossRef</collection><collection>Oceanic Abstracts</collection><collection>Water Resources Abstracts</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest One Sustainability</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>Aquatic Science & Fisheries Abstracts (ASFA) 2: Ocean Technology, Policy & Non-Living Resources</collection><collection>SciTech Premium Collection</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>Geotechnical and geological engineering</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Moayed, Reza Ziaie</au><au>Namaei, Ali</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Evaluation of the Pullout Resistance of Soil Nails in Tehran Alluvium by Considering the Overburden Pressure Effect</atitle><jtitle>Geotechnical and geological engineering</jtitle><stitle>Geotech Geol Eng</stitle><date>2020</date><risdate>2020</risdate><volume>38</volume><issue>1</issue><spage>743</spage><epage>754</epage><pages>743-754</pages><issn>0960-3182</issn><eissn>1573-1529</eissn><abstract>The present study evaluates the pullout and bond resistance of soil nails by considering the overburden pressure effect in Tehran alluvium consisted of four units depending on the deposition age. In order to investigate the pullout resistance, a series of 42 in situ pullout tests are performed in unit A, B and C contained coarse grained soils and clayey soils chosen from unit D of Tehran alluvium. Moreover, a one-way analysis of variance has been conducted to evaluate the proportion of soil and overburden pressure effect on the pullout resistance. The obtained results were compared with a conventional code (FHWA-NHI-14-007) criterion and it was concluded that the SPT base pullout resistance is more conservative method for evaluating soil nail pullout resistance. The results indicate that the bond resistance of soil nails increases as the overburden pressure increases in coarse grained soil, but the overburden pressure does not have a significant effect on the bond resistance in clayey soil. It seems that the overburden pressure effect is mobilized by inter granular stress transmission. Furthermore, it was found that the soil nail bond resistance is depended on the construction quality. As the quality of construction reduces, the bond strength decreases. The construction quality is highly affected the soil nails nearby the excavation ground surface where the overburden pressure does not have a significant influence on the pullout capacity.</abstract><cop>Cham</cop><pub>Springer International Publishing</pub><doi>10.1007/s10706-019-01063-0</doi><tpages>12</tpages><orcidid>https://orcid.org/0000-0001-6791-3275</orcidid></addata></record> |
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| subjects | Alluvial deposits Alluvium Bond strength Bonding strength Civil Engineering Clay Clay soils Coarse-grained soils Coarsening Construction Dredging Earth and Environmental Science Earth Sciences Excavation Geotechnical Engineering & Applied Earth Sciences Hydrogeology Original Paper Overburden Pressure Pressure effects Pull out tests Pull-out resistance Soil Soil nailing Soil resistance Soils Terrestrial Pollution Variance analysis Waste Management/Waste Technology |
| title | Evaluation of the Pullout Resistance of Soil Nails in Tehran Alluvium by Considering the Overburden Pressure Effect |
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