Numerical Investigation of Grout Diffusion Accounting for the Dynamic Pressure Boundary Condition and Spatiotemporal Variation in Slurry Viscosity
Abstract This paper proposed an improved stepwise algorithm to simulate the grout diffusion in a single fracture considering the dynamic grouting parameter boundary condition and the spatial- and time-dependent viscosity of the grout. The method was more effective and could result in variation in ke...
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| Veröffentlicht in: | International journal of geomechanics 2021-04, Vol.21 (4) |
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| container_title | International journal of geomechanics |
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| creator | Han, Chenghao Wei, Jiuchuan Zhang, Weijie Zhou, Wenwu Yin, Huiyong Xie, Daolei Yang, Fei Li, Xiang Man, Xiaoquan |
| description | Abstract
This paper proposed an improved stepwise algorithm to simulate the grout diffusion in a single fracture considering the dynamic grouting parameter boundary condition and the spatial- and time-dependent viscosity of the grout. The method was more effective and could result in variation in key output parameters at any measurement point/time (in space and time). Based on the algorithm, three types of dynamic pressure boundary conditions, which are more applicable in grouting engineering practice, were designed to illustrate the grouting process. Compared with constant pressure grouting, the dynamic adjustments of pressure grouting were found to be beneficial to grout propagation in most cases. Some other factors were also studied under dynamic pressure boundary conditions, such as the spatiotemporal variation in the slurry viscosity and fracture aperture, which demonstrate a significant influence on the grout migration. Finally, a dynamic pressure grouting system was prepared, and the accuracy of the algorithm was successfully validated using a series of laboratory tests. |
| doi_str_mv | 10.1061/(ASCE)GM.1943-5622.0001945 |
| format | Article |
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This paper proposed an improved stepwise algorithm to simulate the grout diffusion in a single fracture considering the dynamic grouting parameter boundary condition and the spatial- and time-dependent viscosity of the grout. The method was more effective and could result in variation in key output parameters at any measurement point/time (in space and time). Based on the algorithm, three types of dynamic pressure boundary conditions, which are more applicable in grouting engineering practice, were designed to illustrate the grouting process. Compared with constant pressure grouting, the dynamic adjustments of pressure grouting were found to be beneficial to grout propagation in most cases. Some other factors were also studied under dynamic pressure boundary conditions, such as the spatiotemporal variation in the slurry viscosity and fracture aperture, which demonstrate a significant influence on the grout migration. Finally, a dynamic pressure grouting system was prepared, and the accuracy of the algorithm was successfully validated using a series of laboratory tests.</description><identifier>ISSN: 1532-3641</identifier><identifier>EISSN: 1943-5622</identifier><identifier>DOI: 10.1061/(ASCE)GM.1943-5622.0001945</identifier><language>eng</language><publisher>Reston: American Society of Civil Engineers</publisher><subject>Algorithms ; Boundary conditions ; Diffusion ; Dynamic pressure ; Grout ; Grouting ; Jet grouting ; Laboratory tests ; Parameters ; Pressure ; Slurries ; Technical Papers ; Time dependence ; Time measurement ; Variation ; Viscosity</subject><ispartof>International journal of geomechanics, 2021-04, Vol.21 (4)</ispartof><rights>2021 American Society of Civil Engineers</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a337t-8c62bb2745444c767ac77cd53d7b1c1cbc338feb7f93c3af7975b9257adf3d723</citedby><cites>FETCH-LOGICAL-a337t-8c62bb2745444c767ac77cd53d7b1c1cbc338feb7f93c3af7975b9257adf3d723</cites><orcidid>0000-0002-2752-765X</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttp://ascelibrary.org/doi/pdf/10.1061/(ASCE)GM.1943-5622.0001945$$EPDF$$P50$$Gasce$$H</linktopdf><linktohtml>$$Uhttp://ascelibrary.org/doi/abs/10.1061/(ASCE)GM.1943-5622.0001945$$EHTML$$P50$$Gasce$$H</linktohtml><link.rule.ids>314,776,780,27901,27902,75936,75944</link.rule.ids></links><search><creatorcontrib>Han, Chenghao</creatorcontrib><creatorcontrib>Wei, Jiuchuan</creatorcontrib><creatorcontrib>Zhang, Weijie</creatorcontrib><creatorcontrib>Zhou, Wenwu</creatorcontrib><creatorcontrib>Yin, Huiyong</creatorcontrib><creatorcontrib>Xie, Daolei</creatorcontrib><creatorcontrib>Yang, Fei</creatorcontrib><creatorcontrib>Li, Xiang</creatorcontrib><creatorcontrib>Man, Xiaoquan</creatorcontrib><title>Numerical Investigation of Grout Diffusion Accounting for the Dynamic Pressure Boundary Condition and Spatiotemporal Variation in Slurry Viscosity</title><title>International journal of geomechanics</title><description>Abstract
This paper proposed an improved stepwise algorithm to simulate the grout diffusion in a single fracture considering the dynamic grouting parameter boundary condition and the spatial- and time-dependent viscosity of the grout. The method was more effective and could result in variation in key output parameters at any measurement point/time (in space and time). Based on the algorithm, three types of dynamic pressure boundary conditions, which are more applicable in grouting engineering practice, were designed to illustrate the grouting process. Compared with constant pressure grouting, the dynamic adjustments of pressure grouting were found to be beneficial to grout propagation in most cases. Some other factors were also studied under dynamic pressure boundary conditions, such as the spatiotemporal variation in the slurry viscosity and fracture aperture, which demonstrate a significant influence on the grout migration. Finally, a dynamic pressure grouting system was prepared, and the accuracy of the algorithm was successfully validated using a series of laboratory tests.</description><subject>Algorithms</subject><subject>Boundary conditions</subject><subject>Diffusion</subject><subject>Dynamic pressure</subject><subject>Grout</subject><subject>Grouting</subject><subject>Jet grouting</subject><subject>Laboratory tests</subject><subject>Parameters</subject><subject>Pressure</subject><subject>Slurries</subject><subject>Technical Papers</subject><subject>Time dependence</subject><subject>Time measurement</subject><subject>Variation</subject><subject>Viscosity</subject><issn>1532-3641</issn><issn>1943-5622</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNp1Ud1OwyAYbYwmzuk7EL3Ri84CbWm9m9ucSzY1me6WUAqTZYUJrclewyeWWn-uvOLjy_nJ-U4QnMNoAKMUXl8Ol6PJ1XQxgHmMwyRFaBBFkf8kB0Hvd3fo5wSjEKcxPA5OnNt4DImTvBd8PDSVsIqzLZjpd-FqtWa1MhoYCabWNDUYKykb166GnJtG10qvgTQW1K8CjPeaVYqDJyuca6wAtx5RMrsHI6NL9aXEdAmWu1a1FtXOWG-1YlZ1NkqD5baxnrBSjhun6v1pcCTZ1omz77cfvNxNnkf34fxxOhsN5yHDmNRhxlNUFMjHiOOYk5QwTggvE1ySAnLIC45xJkVBZI45ZpLkJClylBBWSo9BuB9cdLo7a94aH51uTGO1t6QoJlmWwRgRj7rpUNwa56yQdGdV5RNSGNG2A0rbDuh0Qdt70_be9LsDT047MnNc_Mn_MP8nfgLN-Y7w</recordid><startdate>20210401</startdate><enddate>20210401</enddate><creator>Han, Chenghao</creator><creator>Wei, Jiuchuan</creator><creator>Zhang, Weijie</creator><creator>Zhou, Wenwu</creator><creator>Yin, Huiyong</creator><creator>Xie, Daolei</creator><creator>Yang, Fei</creator><creator>Li, Xiang</creator><creator>Man, Xiaoquan</creator><general>American Society of Civil Engineers</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7UA</scope><scope>8FD</scope><scope>C1K</scope><scope>F1W</scope><scope>FR3</scope><scope>H96</scope><scope>KR7</scope><scope>L.G</scope><orcidid>https://orcid.org/0000-0002-2752-765X</orcidid></search><sort><creationdate>20210401</creationdate><title>Numerical Investigation of Grout Diffusion Accounting for the Dynamic Pressure Boundary Condition and Spatiotemporal Variation in Slurry Viscosity</title><author>Han, Chenghao ; Wei, Jiuchuan ; Zhang, Weijie ; Zhou, Wenwu ; Yin, Huiyong ; Xie, Daolei ; Yang, Fei ; Li, Xiang ; Man, Xiaoquan</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a337t-8c62bb2745444c767ac77cd53d7b1c1cbc338feb7f93c3af7975b9257adf3d723</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Algorithms</topic><topic>Boundary conditions</topic><topic>Diffusion</topic><topic>Dynamic pressure</topic><topic>Grout</topic><topic>Grouting</topic><topic>Jet grouting</topic><topic>Laboratory tests</topic><topic>Parameters</topic><topic>Pressure</topic><topic>Slurries</topic><topic>Technical Papers</topic><topic>Time dependence</topic><topic>Time measurement</topic><topic>Variation</topic><topic>Viscosity</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Han, Chenghao</creatorcontrib><creatorcontrib>Wei, Jiuchuan</creatorcontrib><creatorcontrib>Zhang, Weijie</creatorcontrib><creatorcontrib>Zhou, Wenwu</creatorcontrib><creatorcontrib>Yin, Huiyong</creatorcontrib><creatorcontrib>Xie, Daolei</creatorcontrib><creatorcontrib>Yang, Fei</creatorcontrib><creatorcontrib>Li, Xiang</creatorcontrib><creatorcontrib>Man, Xiaoquan</creatorcontrib><collection>CrossRef</collection><collection>Water Resources Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</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>Civil Engineering Abstracts</collection><collection>Aquatic Science & Fisheries Abstracts (ASFA) Professional</collection><jtitle>International journal of geomechanics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Han, Chenghao</au><au>Wei, Jiuchuan</au><au>Zhang, Weijie</au><au>Zhou, Wenwu</au><au>Yin, Huiyong</au><au>Xie, Daolei</au><au>Yang, Fei</au><au>Li, Xiang</au><au>Man, Xiaoquan</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Numerical Investigation of Grout Diffusion Accounting for the Dynamic Pressure Boundary Condition and Spatiotemporal Variation in Slurry Viscosity</atitle><jtitle>International journal of geomechanics</jtitle><date>2021-04-01</date><risdate>2021</risdate><volume>21</volume><issue>4</issue><issn>1532-3641</issn><eissn>1943-5622</eissn><abstract>Abstract
This paper proposed an improved stepwise algorithm to simulate the grout diffusion in a single fracture considering the dynamic grouting parameter boundary condition and the spatial- and time-dependent viscosity of the grout. The method was more effective and could result in variation in key output parameters at any measurement point/time (in space and time). Based on the algorithm, three types of dynamic pressure boundary conditions, which are more applicable in grouting engineering practice, were designed to illustrate the grouting process. Compared with constant pressure grouting, the dynamic adjustments of pressure grouting were found to be beneficial to grout propagation in most cases. Some other factors were also studied under dynamic pressure boundary conditions, such as the spatiotemporal variation in the slurry viscosity and fracture aperture, which demonstrate a significant influence on the grout migration. Finally, a dynamic pressure grouting system was prepared, and the accuracy of the algorithm was successfully validated using a series of laboratory tests.</abstract><cop>Reston</cop><pub>American Society of Civil Engineers</pub><doi>10.1061/(ASCE)GM.1943-5622.0001945</doi><orcidid>https://orcid.org/0000-0002-2752-765X</orcidid></addata></record> |
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| language | eng |
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| source | American Society of Civil Engineers:NESLI2:Journals:2014 |
| subjects | Algorithms Boundary conditions Diffusion Dynamic pressure Grout Grouting Jet grouting Laboratory tests Parameters Pressure Slurries Technical Papers Time dependence Time measurement Variation Viscosity |
| title | Numerical Investigation of Grout Diffusion Accounting for the Dynamic Pressure Boundary Condition and Spatiotemporal Variation in Slurry Viscosity |
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