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Design and Research of Wave Blocking Curtain for Underwater Blasting based on ANSYS LS-DYNA
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Huai-bin FAN1, 2, 3, Shao-feng LU1, 2, 3, Chong-xun MO4a, Xu-guang WANG2, Yue DIAO4b, Ying-guo HU3, 5
Blasting | 2023, 40(2) : 138 - 143
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Blasting | 2023, 40(2): 138-143
SPECIAL BLASTING
Design and Research of Wave Blocking Curtain for Underwater Blasting based on ANSYS LS-DYNA
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Huai-bin FAN1, 2, 3, Shao-feng LU1, 2, 3, Chong-xun MO4a, Xu-guang WANG2, Yue DIAO4b, Ying-guo HU3, 5
Affiliations
  • 1.Guangxi New Harbour Engineering Co., Ltd., Nanning 530200, China
  • 2.WANG Xu-guang Academician Work Station, Guangxi New Harbour, Nanning 530200, China
  • 3.Reasearch Institution of Underwater Rock-Cutting Engineering at Guangxi Zhuang Municipality Region, Nanning 530200, China
  • 4a.School of Architecture and Civil Engineering, Guangxi University, Nanning 530004, China
  • 4b.College of Resources and Environment, Guangxi University, Nanning 530004, China
  • 5.Changjiang River Scientific Research Institute of Changjiang Water Resources Commission, Wuhan 430010, China
Published: 2023-06-01 doi: 10.3963/j.issn.1001-487X.2023.02.020
Outline
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Underwater blasting tests are dangerous and costly. The requirements for the related test equipment and site in laboratory are very strict. Each test must be approved in accordance with relevant procedures. In view of the current situation of cumbersome blasting test procedures and long waiting periods, a wave barrier curtain which can achieve satisfactory results with as few underwater blasting tests was designed by using collision and vibration simulation technology. In order to achieve this purpose, the protection of wave barriers made of different materials were simulated by the ANSYS LS-DYNA module. Data were collected at a position 5 m away from the explosion point with a pressure of 7.5 MPa, and the detonation wave reduction coefficients of the canvas wave blocking curtain and other five different materials were compared and analyzed. The simulation results showed that the wave resistance performance in order from high to low is: air bubble, porous aluminum plate, automobile tire, foamed plastic, asbestos cloth. Among them, under the equivalent working condition of 1 kg TNT, and at the location 5 m away from the explosion point with a pressure of 0.22 MPa, the air bubble's pressure reduction rate reached 97%, and the protection effect was the best.

ANSYS LS-DYNA  /  underwater blasting  /  wave blocking curtain  /  simulation
Huai-bin FAN, Shao-feng LU, Chong-xun MO, Xu-guang WANG, Yue DIAO, Ying-guo HU. Design and Research of Wave Blocking Curtain for Underwater Blasting based on ANSYS LS-DYNA[J]. Blasting, 2023 , 40 (2) : 138 -143 . DOI: 10.3963/j.issn.1001-487X.2023.02.020
Year 2023 volume 40 Issue 2
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Article Info
doi: 10.3963/j.issn.1001-487X.2023.02.020
  • Receive Date:2023-01-23
  • Online Date:2026-03-18
  • Published:2023-06-01
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History
  • Received:2023-01-23
Funding
Affiliations
    1.Guangxi New Harbour Engineering Co., Ltd., Nanning 530200, China
    2.WANG Xu-guang Academician Work Station, Guangxi New Harbour, Nanning 530200, China
    3.Reasearch Institution of Underwater Rock-Cutting Engineering at Guangxi Zhuang Municipality Region, Nanning 530200, China
    4a.School of Architecture and Civil Engineering, Guangxi University, Nanning 530004, China
    4b.College of Resources and Environment, Guangxi University, Nanning 530004, China
    5.Changjiang River Scientific Research Institute of Changjiang Water Resources Commission, Wuhan 430010, China
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表12种不同金属材料的力学参数

Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)

Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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