Analysis of Rotary Vibration of Rigid Friction Pipe Pile in Unsaturated Soil
Based on the mixture theory and previous work, the governing equation of the rotary vibration of rigid friction pipe pile in unsaturated soil is established. The analytical solution of this equation can be used to analyze the displacements and the complex stiffness of rotary vibration. The results s...
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| Veröffentlicht in: | Mathematical problems in engineering 2020, Vol.2020 (2020), p.1-12 |
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| creator | Zhao, Fu-yao Xiang, Peng |
| description | Based on the mixture theory and previous work, the governing equation of the rotary vibration of rigid friction pipe pile in unsaturated soil is established. The analytical solution of this equation can be used to analyze the displacements and the complex stiffness of rotary vibration. The results show that the contribution to stiffness is as follows: solid gas. In addition, when the fluid permeability coefficient decreases, the stiffness decreases and the rotational impedance increases, but the influence is not obvious (especially the gas permeability coefficient). Four different kinds of degradation problems are also presented. Relevant conclusions can provide reference for engineering application. |
| doi_str_mv | 10.1155/2020/2807574 |
| format | Article |
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The analytical solution of this equation can be used to analyze the displacements and the complex stiffness of rotary vibration. The results show that the contribution to stiffness is as follows: solid < liquid < gas; and the contribution to rotational impedance is as follows: solid > liquid > gas. In addition, when the fluid permeability coefficient decreases, the stiffness decreases and the rotational impedance increases, but the influence is not obvious (especially the gas permeability coefficient). Four different kinds of degradation problems are also presented. Relevant conclusions can provide reference for engineering application.</description><identifier>ISSN: 1024-123X</identifier><identifier>EISSN: 1563-5147</identifier><identifier>DOI: 10.1155/2020/2807574</identifier><language>eng</language><publisher>Cairo, Egypt: Hindawi Publishing Corporation</publisher><subject>Concrete ; Earthquakes ; Engineering ; Exact solutions ; Friction ; Gases ; Impedance ; Pipe piles ; Prestressed concrete ; Soil analysis ; Soil mixtures ; Soil permeability ; Stiffness ; Unsaturated soils ; Vibration ; Vibration analysis ; Viscosity</subject><ispartof>Mathematical problems in engineering, 2020, Vol.2020 (2020), p.1-12</ispartof><rights>Copyright © 2020 Fu-yao Zhao and Peng Xiang.</rights><rights>Copyright © 2020 Fu-yao Zhao and Peng Xiang. This is an open access article distributed under the Creative Commons Attribution License (the “License”), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. https://creativecommons.org/licenses/by/4.0</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c360t-fbc4e3a15f38d5bff7296417de783fa550eb80998e023012a4c115f50ffe3c393</citedby><cites>FETCH-LOGICAL-c360t-fbc4e3a15f38d5bff7296417de783fa550eb80998e023012a4c115f50ffe3c393</cites><orcidid>0000-0002-6417-5075</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,780,784,4024,27923,27924,27925</link.rule.ids></links><search><contributor>De Bartolo, Samuele</contributor><contributor>Samuele De Bartolo</contributor><creatorcontrib>Zhao, Fu-yao</creatorcontrib><creatorcontrib>Xiang, Peng</creatorcontrib><title>Analysis of Rotary Vibration of Rigid Friction Pipe Pile in Unsaturated Soil</title><title>Mathematical problems in engineering</title><description>Based on the mixture theory and previous work, the governing equation of the rotary vibration of rigid friction pipe pile in unsaturated soil is established. The analytical solution of this equation can be used to analyze the displacements and the complex stiffness of rotary vibration. The results show that the contribution to stiffness is as follows: solid < liquid < gas; and the contribution to rotational impedance is as follows: solid > liquid > gas. In addition, when the fluid permeability coefficient decreases, the stiffness decreases and the rotational impedance increases, but the influence is not obvious (especially the gas permeability coefficient). Four different kinds of degradation problems are also presented. Relevant conclusions can provide reference for engineering application.</description><subject>Concrete</subject><subject>Earthquakes</subject><subject>Engineering</subject><subject>Exact solutions</subject><subject>Friction</subject><subject>Gases</subject><subject>Impedance</subject><subject>Pipe piles</subject><subject>Prestressed concrete</subject><subject>Soil analysis</subject><subject>Soil mixtures</subject><subject>Soil permeability</subject><subject>Stiffness</subject><subject>Unsaturated soils</subject><subject>Vibration</subject><subject>Vibration analysis</subject><subject>Viscosity</subject><issn>1024-123X</issn><issn>1563-5147</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><sourceid>RHX</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><recordid>eNqF0M9LwzAUB_AgCs7pzbMEPGrdy6-mPY7hVBgo6sRbSNtEM2o7kxbZf2-2Djx6yQuPDw--X4TOCdwQIsSEAoUJzUAKyQ_QiIiUJYJweRj_QHlCKHs_RichrAAoESQbocW00fUmuIBbi5_bTvsNfnOF151rm93OfbgKz70rd5sntzbxqQ12DV42QXd9tKbCL62rT9GR1XUwZ_s5Rsv57evsPlk83j3MpoukZCl0iS1KbpgmwrKsEoW1kuYpJ7IyMmNWCwGmyCDPMwOUAaGalzGeFWCtYSXL2RhdDnfXvv3uTejUqu19DBIU5ZLnhEoqoroeVOnbELyxau3dVwyoCKhtX2rbl9r3FfnVwD9dU-kf95--GLSJxlj9p0nOgafsF1hucsI</recordid><startdate>2020</startdate><enddate>2020</enddate><creator>Zhao, Fu-yao</creator><creator>Xiang, Peng</creator><general>Hindawi Publishing Corporation</general><general>Hindawi</general><general>Hindawi Limited</general><scope>ADJCN</scope><scope>AHFXO</scope><scope>RHU</scope><scope>RHW</scope><scope>RHX</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7TB</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>ARAPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>CWDGH</scope><scope>DWQXO</scope><scope>FR3</scope><scope>GNUQQ</scope><scope>HCIFZ</scope><scope>JQ2</scope><scope>K7-</scope><scope>KR7</scope><scope>L6V</scope><scope>M7S</scope><scope>P5Z</scope><scope>P62</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope><orcidid>https://orcid.org/0000-0002-6417-5075</orcidid></search><sort><creationdate>2020</creationdate><title>Analysis of Rotary Vibration of Rigid Friction Pipe Pile in Unsaturated Soil</title><author>Zhao, Fu-yao ; Xiang, Peng</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c360t-fbc4e3a15f38d5bff7296417de783fa550eb80998e023012a4c115f50ffe3c393</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Concrete</topic><topic>Earthquakes</topic><topic>Engineering</topic><topic>Exact solutions</topic><topic>Friction</topic><topic>Gases</topic><topic>Impedance</topic><topic>Pipe piles</topic><topic>Prestressed concrete</topic><topic>Soil analysis</topic><topic>Soil mixtures</topic><topic>Soil permeability</topic><topic>Stiffness</topic><topic>Unsaturated soils</topic><topic>Vibration</topic><topic>Vibration analysis</topic><topic>Viscosity</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhao, Fu-yao</creatorcontrib><creatorcontrib>Xiang, Peng</creatorcontrib><collection>الدوريات العلمية والإحصائية - e-Marefa Academic and Statistical Periodicals</collection><collection>معرفة - المحتوى العربي الأكاديمي المتكامل - e-Marefa Academic Complete</collection><collection>Hindawi Publishing Complete</collection><collection>Hindawi Publishing Subscription Journals</collection><collection>Hindawi Publishing Open Access</collection><collection>CrossRef</collection><collection>Mechanical & Transportation Engineering 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 (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>Advanced Technologies & Aerospace Collection</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>Middle East & Africa Database</collection><collection>ProQuest Central Korea</collection><collection>Engineering Research Database</collection><collection>ProQuest Central Student</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Computer Science Collection</collection><collection>Computer Science Database</collection><collection>Civil Engineering Abstracts</collection><collection>ProQuest Engineering Collection</collection><collection>Engineering Database</collection><collection>Advanced Technologies & Aerospace Database</collection><collection>ProQuest Advanced Technologies & Aerospace Collection</collection><collection>Publicly Available Content 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>ProQuest Central China</collection><collection>Engineering Collection</collection><jtitle>Mathematical problems in engineering</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhao, Fu-yao</au><au>Xiang, Peng</au><au>De Bartolo, Samuele</au><au>Samuele De Bartolo</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Analysis of Rotary Vibration of Rigid Friction Pipe Pile in Unsaturated Soil</atitle><jtitle>Mathematical problems in engineering</jtitle><date>2020</date><risdate>2020</risdate><volume>2020</volume><issue>2020</issue><spage>1</spage><epage>12</epage><pages>1-12</pages><issn>1024-123X</issn><eissn>1563-5147</eissn><abstract>Based on the mixture theory and previous work, the governing equation of the rotary vibration of rigid friction pipe pile in unsaturated soil is established. The analytical solution of this equation can be used to analyze the displacements and the complex stiffness of rotary vibration. The results show that the contribution to stiffness is as follows: solid < liquid < gas; and the contribution to rotational impedance is as follows: solid > liquid > gas. In addition, when the fluid permeability coefficient decreases, the stiffness decreases and the rotational impedance increases, but the influence is not obvious (especially the gas permeability coefficient). Four different kinds of degradation problems are also presented. Relevant conclusions can provide reference for engineering application.</abstract><cop>Cairo, Egypt</cop><pub>Hindawi Publishing Corporation</pub><doi>10.1155/2020/2807574</doi><tpages>12</tpages><orcidid>https://orcid.org/0000-0002-6417-5075</orcidid><oa>free_for_read</oa></addata></record> |
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| subjects | Concrete Earthquakes Engineering Exact solutions Friction Gases Impedance Pipe piles Prestressed concrete Soil analysis Soil mixtures Soil permeability Stiffness Unsaturated soils Vibration Vibration analysis Viscosity |
| title | Analysis of Rotary Vibration of Rigid Friction Pipe Pile in Unsaturated Soil |
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