Results 1 to 10 of about 13,578 (224)

Low Compaction Level Detection of Newly Constructed Asphalt Pavement Based on Regional Index

Sensors, 2022
In order to improve the prediction accuracy regarding low compaction level of asphalt pavement, this paper carries out indoor tests to detect the voids and dielectric constants of AC-13, AC-16 and AC-25 asphalt mixtures, obtaining their relationship ...
Jiaming Tang, Zhiyong Huang, Weixiong Li, Huayang Yu   +3 more
doaj   +1 more source

Analysis of the viscosity and self-healing performance of warm-mix recycled asphalt: A method combining molecular dynamics simulations and laboratory tests

Case Studies in Construction Materials, 2023
The technology of warm-mix regeneration has been frequently used in the production of asphalt pavement; however, the viscosity and self-healing properties of warm-mix recycled asphalt (WMRA) need further study.
Qifeng Yang, Zhen Liu, Lijun Sun, Zhigang Li   +3 more
doaj   +1 more source

Automatic Detection of Pothole Distress in Asphalt Pavement Using Improved Convolutional Neural Networks

Remote Sensing, 2022
To realize the intelligent and accurate measurement of pavement surface potholes, an improved You Only Look Once version three (YOLOv3) object detection model combining data augmentation and structure optimization is proposed in this study.
Danyu Wang, Zhen Liu, Xingyu Gu, Wenxiu Wu, Yihan Chen, Lutai Wang   +5 more
doaj   +1 more source

A Fast Inference Vision Transformer for Automatic Pavement Image Classification and Its Visual Interpretation Method

Remote Sensing, 2022
Traditional automatic pavement distress detection methods using convolutional neural networks (CNNs) require a great deal of time and resources for computing and are poor in terms of interpretability.
Yihan Chen, Xingyu Gu, Zhen Liu, Jia Liang   +3 more
doaj   +1 more source

Rheological Properties and Microscopic Morphology Evaluation of UHMWPE-Modified Corn Stover Oil Bio-Asphalt

Buildings, 2023
In order to promote the efficient utilization of bio-oil, corn stover oil and petroleum asphalt were used to prepare bio-asphalt. UHMWPE was adopted to strengthen the high-temperature properties of bio-asphalt. UHMWPE-modified corn stover oil asphalt was
Jian Li, Chuanxi Luo, Jixing Jie, Haobin Cui   +3 more
doaj   +1 more source

Research on Cumulative Damage Characteristics of Rock Anchor Beam Concrete Supporting Structure by Blasting Vibration of Underground Powerhouse

Shock and Vibration, 2021
Aiming at the dynamic disturbance problem of the upper rock anchor beam concrete support structure caused by the blasting excavation of the lower rock mass of the underground powerhouse of the hydropower station, the dynamic finite element software was ...
Sheng Wan, Junhong Huang, Yi Luo, Xinping Li, Qingsong Pu   +4 more
doaj   +1 more source

Study on An Effective Roadway Watering Scheme for Mitigating Pedestrian Thermal Comfort According to the Street Configuration

Atmosphere, 2023
Continuous measurement of road surface temperature using an infrared camera throughout the summer season was conducted to clarify the duration of surface temperature decrease due to roadway watering according to weather conditions and watering time ...
Hideki Takebayashi, Hiroyuki Mori, Ushio Tozawa   +2 more
doaj   +1 more source

Deformation failure characteristics and support technology of weakly cemented soft rock roadway under water spraying condition

Meikuang Anquan, 2021
In order to study the reasonable support technology of weakly cemented soft rock roadway under water spraying condition, the 12307 return airway of Selian No.2 mine was taken as the background.
HAO Ming, PAN Xiahui, ZHANG Boyang
doaj   +1 more source

Fire Protection and Evacuation Analysis in Underground Interchange Tunnels by Integrating BIM and Numerical Simulation

Fire, 2023
Rescue and evacuation of underground interchange tunnels after a fire are challenging. Therefore, a method of integrating building information modeling (BIM) and a fire dynamic simulator (FDS) was proposed to analyze fire characteristics and personnel ...
Zhen Liu, Xingyu Gu, Rui Hong
doaj   +1 more source

Assessment of Pavement Structural Conditions and Remaining Life Combining Accelerated Pavement Testing and Ground-Penetrating Radar

Remote Sensing, 2023
The inspection and monitoring of structural conditions are crucial for the maintenance of semi-rigid base pavement. To achieve the inverse calculation of material parameters and obtain the mechanical response of asphalt pavement, a method of modulus ...
Zhen Liu, Qifeng Yang, Xingyu Gu
doaj   +1 more source