Study on the Static and Dynamic Fracturing Properties of Marble after Being Damaged Dynamically
A split Hopkinson pressure bar (SHPB) system was first used to perform the cyclic impact loading tests on notched semicircular bend (NSCB) marble specimens. Then, static and dynamic three-point bending tests were conducted on these dynamically damaged specimens, respectively. In the cyclic impact lo...
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| Format: | Article |
| Language: | English |
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Wiley
2020-01-01
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| Series: | Advances in Civil Engineering |
| Online Access: | http://dx.doi.org/10.1155/2020/8886198 |
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| author | Yunqiu Liu Anqi Fu Binsong Jiang Liyuan Yu Xiaobing Wang |
| author_facet | Yunqiu Liu Anqi Fu Binsong Jiang Liyuan Yu Xiaobing Wang |
| author_sort | Yunqiu Liu |
| collection | DOAJ |
| description | A split Hopkinson pressure bar (SHPB) system was first used to perform the cyclic impact loading tests on notched semicircular bend (NSCB) marble specimens. Then, static and dynamic three-point bending tests were conducted on these dynamically damaged specimens, respectively. In the cyclic impact loading tests, the dynamic elastic modulus decreases gradually as the impact number increases, but dynamic cumulative damage exhibits a growing trend. In the static and dynamic three-point bending tests, when dynamic cumulative damage is less than 0.345, the dynamic fracture toughness values are larger than the static fracture toughness values, but the experimental data exhibit the opposite results when dynamic cumulative damage ranges from 0.345 to 0.369. Through the quantitative analysis of fracture surface morphologies, the roughness and area of the fracture surfaces increase with an increasing dynamic cumulative damage. Under the same dynamic cumulative damage of the specimens, both the roughness and area of the surfaces fractured by static three-point bending are larger than those fractured by dynamic three-point bending. |
| format | Article |
| id | doaj-art-cef1c2bfdb7644eeb7d82249b036c7c5 |
| institution | Kabale University |
| issn | 1687-8086 1687-8094 |
| language | English |
| publishDate | 2020-01-01 |
| publisher | Wiley |
| record_format | Article |
| series | Advances in Civil Engineering |
| spelling | doaj-art-cef1c2bfdb7644eeb7d82249b036c7c52025-02-03T06:06:34ZengWileyAdvances in Civil Engineering1687-80861687-80942020-01-01202010.1155/2020/88861988886198Study on the Static and Dynamic Fracturing Properties of Marble after Being Damaged DynamicallyYunqiu Liu0Anqi Fu1Binsong Jiang2Liyuan Yu3Xiaobing Wang4State Key Laboratory for Geomechanics and Deep Underground Engineering, China University of Mining and Technology, Xuzhou 221116, ChinaState Key Laboratory for Geomechanics and Deep Underground Engineering, China University of Mining and Technology, Xuzhou 221116, ChinaState Key Laboratory for Geomechanics and Deep Underground Engineering, China University of Mining and Technology, Xuzhou 221116, ChinaState Key Laboratory for Geomechanics and Deep Underground Engineering, China University of Mining and Technology, Xuzhou 221116, ChinaSionsteel Maanshan General Institute of Mining Research Co., Ltd., Maanshan 243000, ChinaA split Hopkinson pressure bar (SHPB) system was first used to perform the cyclic impact loading tests on notched semicircular bend (NSCB) marble specimens. Then, static and dynamic three-point bending tests were conducted on these dynamically damaged specimens, respectively. In the cyclic impact loading tests, the dynamic elastic modulus decreases gradually as the impact number increases, but dynamic cumulative damage exhibits a growing trend. In the static and dynamic three-point bending tests, when dynamic cumulative damage is less than 0.345, the dynamic fracture toughness values are larger than the static fracture toughness values, but the experimental data exhibit the opposite results when dynamic cumulative damage ranges from 0.345 to 0.369. Through the quantitative analysis of fracture surface morphologies, the roughness and area of the fracture surfaces increase with an increasing dynamic cumulative damage. Under the same dynamic cumulative damage of the specimens, both the roughness and area of the surfaces fractured by static three-point bending are larger than those fractured by dynamic three-point bending.http://dx.doi.org/10.1155/2020/8886198 |
| spellingShingle | Yunqiu Liu Anqi Fu Binsong Jiang Liyuan Yu Xiaobing Wang Study on the Static and Dynamic Fracturing Properties of Marble after Being Damaged Dynamically Advances in Civil Engineering |
| title | Study on the Static and Dynamic Fracturing Properties of Marble after Being Damaged Dynamically |
| title_full | Study on the Static and Dynamic Fracturing Properties of Marble after Being Damaged Dynamically |
| title_fullStr | Study on the Static and Dynamic Fracturing Properties of Marble after Being Damaged Dynamically |
| title_full_unstemmed | Study on the Static and Dynamic Fracturing Properties of Marble after Being Damaged Dynamically |
| title_short | Study on the Static and Dynamic Fracturing Properties of Marble after Being Damaged Dynamically |
| title_sort | study on the static and dynamic fracturing properties of marble after being damaged dynamically |
| url | http://dx.doi.org/10.1155/2020/8886198 |
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