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Experimental Study on Static and Dynamic Mechanical Properties of NPR Cable
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Chao-shuai YANG1, 2, 3, Kai-rong HONG1, 2, Jie HU4, *, Hua WANG1, 2, 3, Zhi-gang TAO4, Man-chao HE4
Science Technology and Engineering | 2025, 25(1) : 301 - 308
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Science Technology and Engineering | 2025, 25(1): 301-308
• Papers·Architectural Science •
Experimental Study on Static and Dynamic Mechanical Properties of NPR Cable
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Chao-shuai YANG1, 2, 3, Kai-rong HONG1, 2, Jie HU4, *, Hua WANG1, 2, 3, Zhi-gang TAO4, Man-chao HE4
Affiliations
  • 1. China Railway Tunnel Group Co., Ltd., Guangzhou 511458, China
  • 2. Guangdong Provincial Key Laboratory of Intelligent Monitoring and Maintenance of Tunnel Structure, Guangzhou 511458, China
  • 3. China Railway Tunnel Consultants Co., Ltd., Guangzhou 511458, China
  • 4. State Key Laboratory for Tunnel Engineering, China University of Mining & Technology-Beijing, Beijing 100083, China
Published: 2025-01-08 doi: 10.12404/j.issn.1671-1815.2403283
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In order to study the mechanical properties of negative Poisson’s ratio(NPR) anchor cable under static tension and drop hammer impact load, the self-developed NPR anchor cable tension test system and NPR anchor cable drop hammer impact test system were used to conduct static tensile test and dynamic impact test for a certain batch of NPR anchor cables. Its resistance and absorption of slow deformation and instantaneous impact energy of surrounding rock were verified by the supporting force, elongation and expansion of anchor cable. Secondly, a 3D numerical model of NPR anchor cable was established, and relevant numerical parameters were calibrated according to laboratory test results. The static tensile test of NPR anchor cable and the drop hammer impact test were carried out. The results of the numerical test are in good agreement with those of the laboratory test, which verifies the reliability of the numerical model. The 3D numerical model of NPR anchor cable can be used as an auxiliary analysis tool for the improvement and upgrading of NPR anchor cable in the future.

NPR cable  /  energy-absorbing cable  /  static pull test  /  drop hammer impact test  /  numerical simulation
Chao-shuai YANG, Kai-rong HONG, Jie HU, Hua WANG, Zhi-gang TAO, Man-chao HE. Experimental Study on Static and Dynamic Mechanical Properties of NPR Cable[J]. Science Technology and Engineering, 2025 , 25 (1) : 301 -308 . DOI: 10.12404/j.issn.1671-1815.2403283
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Article Info
doi: 10.12404/j.issn.1671-1815.2403283
  • Receive Date：2024-05-06
  • Online Date：2025-12-11
  • Published：2025-01-08
Article Data
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History
  • Received：2024-05-06
  • Revised：2024-10-15
Funding
Affiliations
    1. China Railway Tunnel Group Co., Ltd., Guangzhou 511458, China
    2. Guangdong Provincial Key Laboratory of Intelligent Monitoring and Maintenance of Tunnel Structure, Guangzhou 511458, China
    3. China Railway Tunnel Consultants Co., Ltd., Guangzhou 511458, China
    4. State Key Laboratory for Tunnel Engineering, China University of Mining & Technology-Beijing, Beijing 100083, China
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Citations
表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
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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