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Cracking Characteristics of Asphalt Mixture Based on Cohesion Model
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Junliang GAO1, Chao WU2, Zhidong GUO2
Science Technology and Industry | 2025, 25(5) : 94 - 99
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Science Technology and Industry | 2025, 25(5): 94-99
• Technology Innovation •
Cracking Characteristics of Asphalt Mixture Based on Cohesion Model
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Junliang GAO1, Chao WU2, Zhidong GUO2
Affiliations
  • 1 Gansu Provincial Highway Construction and Management Group Co, Lanzhou 730070, China
  • 2 Gansu Architectural Vocational and Technical College, Lanzhou 730070, China
Published: 2025-03-10
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Digital image processing technology and finite element simulation software based on ABAQUS were adopted to analyze the cracking damage and related influencing factors of asphalt mixture at the meso level. At the same time, zero-thickness cohesive force units were inserted at the asphalt mortar and aggregate-mortar interface to conduct finite element simulation of asphalt mixture SCB(semi-circular bending) test and analyze the cracking process of asphalt mixture at the meso level. The effects of pre-cut depth, specimen thickness and support distance on the cracking characteristics of asphalt mixture were investigated by using the load-displacement curve and fracture energy obtained from the cracking of the specimen. The results show that the deeper the prefabricated incision and the smaller the thickness of the specimen, the worse the anti-cracking performance of the specimen, and the anti-cracking performance increases first and then decreases with the increase of the distance between the supports. The anti-cracking performance of the specimen is the best when the distance between the supports is 80 mm.

asphalt mixture  /  semi-circular bending(SCB) test  /  finite element simulation  /  breaking energy
Junliang GAO, Chao WU, Zhidong GUO. Cracking Characteristics of Asphalt Mixture Based on Cohesion Model[J]. Science Technology and Industry, 2025 , 25 (5) : 94 -99 .
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Article Info
  • Receive Date：2024-08-09
  • Online Date：2025-07-21
  • Published：2025-03-10
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  • Received：2024-08-09
Affiliations
    1 Gansu Provincial Highway Construction and Management Group Co, Lanzhou 730070, China
    2 Gansu Architectural Vocational and Technical College, Lanzhou 730070, China
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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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