Research on the process of crack growth induced by explosion stress waves in rock masses with open joints
•PMMA medium with vertical open joints under explosion loading was conducted.•Study the stress wave propagation.•Different dip angle of joints were examined using DLSM. A joint in the medium has a significant impact on the propagation of explosion stress wave and the growth of explosion-induced crac...
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| Veröffentlicht in: | Theoretical and applied fracture mechanics 2021-10, Vol.115, p.103038, Article 103038 |
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| container_title | Theoretical and applied fracture mechanics |
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| creator | Wang, Yanbing Ren, Bin Wang, Dongchen |
| description | •PMMA medium with vertical open joints under explosion loading was conducted.•Study the stress wave propagation.•Different dip angle of joints were examined using DLSM.
A joint in the medium has a significant impact on the propagation of explosion stress wave and the growth of explosion-induced crack. In this work, the crack growth experiment in the PMMA(polymethyl methacrylate) medium with vertical open joints under explosion loading was first carried out on the digital laser dynamic caustics experimental system (DLDC), in order to analyze the crack initiation, growth and arrest of wing cracks, and examine how the DSIF(dynamic stress intensity factor) at crack tip and the velocity of crack growth changed. The process of stress wave propagation and crack growth in this experiment was effectively inverted using the discrete lattice spring model (DLSM), the stress changes at the midpoint and endpoint of the joint were compared, and the acting characteristics of stress wave were analyzed here. Finally, the differences in velocity and acceleration of crack growth of wing cracks were compared and examined under different dip angles of joints. |
| doi_str_mv | 10.1016/j.tafmec.2021.103038 |
| format | Article |
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A joint in the medium has a significant impact on the propagation of explosion stress wave and the growth of explosion-induced crack. In this work, the crack growth experiment in the PMMA(polymethyl methacrylate) medium with vertical open joints under explosion loading was first carried out on the digital laser dynamic caustics experimental system (DLDC), in order to analyze the crack initiation, growth and arrest of wing cracks, and examine how the DSIF(dynamic stress intensity factor) at crack tip and the velocity of crack growth changed. The process of stress wave propagation and crack growth in this experiment was effectively inverted using the discrete lattice spring model (DLSM), the stress changes at the midpoint and endpoint of the joint were compared, and the acting characteristics of stress wave were analyzed here. Finally, the differences in velocity and acceleration of crack growth of wing cracks were compared and examined under different dip angles of joints.</description><identifier>ISSN: 0167-8442</identifier><identifier>EISSN: 1872-7638</identifier><identifier>DOI: 10.1016/j.tafmec.2021.103038</identifier><language>eng</language><publisher>Amsterdam: Elsevier Ltd</publisher><subject>Acceleration ; Caustics ; Crack growth ; Crack initiation ; Crack propagation ; Crack tips ; Cracks ; Discrete Lattice Spring Model (DLSM) ; Explosion stress wave ; Explosions ; Polymethyl methacrylate ; Stress intensity factors ; Stress propagation ; Stress waves ; Wave propagation</subject><ispartof>Theoretical and applied fracture mechanics, 2021-10, Vol.115, p.103038, Article 103038</ispartof><rights>2021</rights><rights>Copyright Elsevier BV Oct 2021</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c264t-838d4ab11200ea5731c35d5efd8c03884b51ba82a828868c0cd06b6be391ba623</citedby><cites>FETCH-LOGICAL-c264t-838d4ab11200ea5731c35d5efd8c03884b51ba82a828868c0cd06b6be391ba623</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.tafmec.2021.103038$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3549,27923,27924,45994</link.rule.ids></links><search><creatorcontrib>Wang, Yanbing</creatorcontrib><creatorcontrib>Ren, Bin</creatorcontrib><creatorcontrib>Wang, Dongchen</creatorcontrib><title>Research on the process of crack growth induced by explosion stress waves in rock masses with open joints</title><title>Theoretical and applied fracture mechanics</title><description>•PMMA medium with vertical open joints under explosion loading was conducted.•Study the stress wave propagation.•Different dip angle of joints were examined using DLSM.
A joint in the medium has a significant impact on the propagation of explosion stress wave and the growth of explosion-induced crack. In this work, the crack growth experiment in the PMMA(polymethyl methacrylate) medium with vertical open joints under explosion loading was first carried out on the digital laser dynamic caustics experimental system (DLDC), in order to analyze the crack initiation, growth and arrest of wing cracks, and examine how the DSIF(dynamic stress intensity factor) at crack tip and the velocity of crack growth changed. The process of stress wave propagation and crack growth in this experiment was effectively inverted using the discrete lattice spring model (DLSM), the stress changes at the midpoint and endpoint of the joint were compared, and the acting characteristics of stress wave were analyzed here. Finally, the differences in velocity and acceleration of crack growth of wing cracks were compared and examined under different dip angles of joints.</description><subject>Acceleration</subject><subject>Caustics</subject><subject>Crack growth</subject><subject>Crack initiation</subject><subject>Crack propagation</subject><subject>Crack tips</subject><subject>Cracks</subject><subject>Discrete Lattice Spring Model (DLSM)</subject><subject>Explosion stress wave</subject><subject>Explosions</subject><subject>Polymethyl methacrylate</subject><subject>Stress intensity factors</subject><subject>Stress propagation</subject><subject>Stress waves</subject><subject>Wave propagation</subject><issn>0167-8442</issn><issn>1872-7638</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2021</creationdate><recordtype>article</recordtype><recordid>eNp9kFtLAzEQhYMoWKv_wIeAz1tz2Uv6IkjxBoIg-hyy2VmbbbtZk7S1_94p67MwEOZwvgnnEHLN2YwzXt52s2TaDdiZYIKjJJlUJ2TCVSWyqpTqlEzQVmUqz8U5uYixY4xXfC4nxL1DBBPskvqepiXQIXgLMVLfUhuMXdGv4PdpSV3fbC00tD5Q-BnWPjoEYgpH797sIKKDIruiGxMjrnuHlB-gp513fYqX5Kw16whXf--UfD4-fCyes9e3p5fF_WtmRZmnTEnV5KbmXDAGpqgkt7JoCmgbZTGWyuuC10YJHKVK1GzDyrqsQc5RL4WckpvxLib53kJMuvPb0OOXWhSKq7Kq8jm68tFlg48xQKuH4DYmHDRn-liq7vRYqj6WqsdSEbsbMcAEOwdBR-ugx2JcAJt0493_B34BOx2Cag</recordid><startdate>202110</startdate><enddate>202110</enddate><creator>Wang, Yanbing</creator><creator>Ren, Bin</creator><creator>Wang, Dongchen</creator><general>Elsevier Ltd</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7TB</scope><scope>8BQ</scope><scope>8FD</scope><scope>FR3</scope><scope>JG9</scope><scope>KR7</scope></search><sort><creationdate>202110</creationdate><title>Research on the process of crack growth induced by explosion stress waves in rock masses with open joints</title><author>Wang, Yanbing ; Ren, Bin ; Wang, Dongchen</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c264t-838d4ab11200ea5731c35d5efd8c03884b51ba82a828868c0cd06b6be391ba623</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2021</creationdate><topic>Acceleration</topic><topic>Caustics</topic><topic>Crack growth</topic><topic>Crack initiation</topic><topic>Crack propagation</topic><topic>Crack tips</topic><topic>Cracks</topic><topic>Discrete Lattice Spring Model (DLSM)</topic><topic>Explosion stress wave</topic><topic>Explosions</topic><topic>Polymethyl methacrylate</topic><topic>Stress intensity factors</topic><topic>Stress propagation</topic><topic>Stress waves</topic><topic>Wave propagation</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wang, Yanbing</creatorcontrib><creatorcontrib>Ren, Bin</creatorcontrib><creatorcontrib>Wang, Dongchen</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Civil Engineering Abstracts</collection><jtitle>Theoretical and applied fracture mechanics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wang, Yanbing</au><au>Ren, Bin</au><au>Wang, Dongchen</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Research on the process of crack growth induced by explosion stress waves in rock masses with open joints</atitle><jtitle>Theoretical and applied fracture mechanics</jtitle><date>2021-10</date><risdate>2021</risdate><volume>115</volume><spage>103038</spage><pages>103038-</pages><artnum>103038</artnum><issn>0167-8442</issn><eissn>1872-7638</eissn><abstract>•PMMA medium with vertical open joints under explosion loading was conducted.•Study the stress wave propagation.•Different dip angle of joints were examined using DLSM.
A joint in the medium has a significant impact on the propagation of explosion stress wave and the growth of explosion-induced crack. In this work, the crack growth experiment in the PMMA(polymethyl methacrylate) medium with vertical open joints under explosion loading was first carried out on the digital laser dynamic caustics experimental system (DLDC), in order to analyze the crack initiation, growth and arrest of wing cracks, and examine how the DSIF(dynamic stress intensity factor) at crack tip and the velocity of crack growth changed. The process of stress wave propagation and crack growth in this experiment was effectively inverted using the discrete lattice spring model (DLSM), the stress changes at the midpoint and endpoint of the joint were compared, and the acting characteristics of stress wave were analyzed here. Finally, the differences in velocity and acceleration of crack growth of wing cracks were compared and examined under different dip angles of joints.</abstract><cop>Amsterdam</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.tafmec.2021.103038</doi></addata></record> |
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| identifier | ISSN: 0167-8442 |
| ispartof | Theoretical and applied fracture mechanics, 2021-10, Vol.115, p.103038, Article 103038 |
| issn | 0167-8442 1872-7638 |
| language | eng |
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| source | ScienceDirect Journals (5 years ago - present) |
| subjects | Acceleration Caustics Crack growth Crack initiation Crack propagation Crack tips Cracks Discrete Lattice Spring Model (DLSM) Explosion stress wave Explosions Polymethyl methacrylate Stress intensity factors Stress propagation Stress waves Wave propagation |
| title | Research on the process of crack growth induced by explosion stress waves in rock masses with open joints |
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