Results 51 to 60 of about 122,652 (304)

Experimental study on crack propagation of slit charge blasting in media with vertical bedding plane

矿业科学学报, 2019
The joints have significant effects on crack propagation in slit charge blasting. In this paper,the caustic method is adopted to study the law of crack propagation in vertical jointed media under slit charge blasting.
Xu Peng, Chen Cheng, Guo Yang, Zhu Ruoyu, Zhao Zhiwei, Luo Senlin   +5 more
doaj   +1 more source

Dynamic crack propagation characteristics of media with bedding under an impact load

工程科学学报, 2023
With the gradual development of mines, tunnels, and other underground constructions, theoretical research on the influence of internal defects in rock structure on rock dynamic fracture behavior and related engineering practices are of great importance ...
Yan-bing WANG, Dai-rui FU, Hou-wei WU, Yan-jie GENG, Yao-yao ZHANG   +4 more
doaj   +1 more source

Electrochemical growth of three-dimensionally ordered macroporous metals as photonic crystals [PDF]

, 2010
Over the last two decades three dimensionally ordered macroporous (3-DOM) materials have turned out to be very promising in many applications ranging from optics, plasmonics, to catalyst scaffolds.
Zhu, Rong, Zhu, Rong
core   +1 more source

A 73‐Year‐Old Man With Several Years of Difficulty Climbing Stairs and Frequent Tripping

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT A 73‐year‐old man presented with progressive weakness and atrophy predominantly affecting the distal finger flexors and quadriceps muscles. Electrophysiological studies demonstrated mixed myogenic and neurogenic features. Muscle MRI showed inflammatory changes, and muscle biopsy revealed granulomatous myositis with histologic features ...
Mehmet Can Sari, Arens Taga, Sonya Ulrike Steele, Ahmet Hoke   +3 more
wiley   +1 more source

Study on the Effect of Crack Density and Micro-Cracking Block Size of In Situ Softening Semi-Rigid Base

Buildings
Reflection cracking in semi-rigid bases is a widespread distress that undermines highway safety. Priority should be given to this issue to ensure the normal performance of large-scale semi-rigid base asphalt pavements that have reached the end of their ...
Liting Yu, Chunyang Yu, Haiqi He, Zikai Xu, Donliang Hu, Rui Li, Jianzhong Pei   +6 more
doaj   +1 more source

Frictional sliding without geometrical reflection symmetry [PDF]

, 2016
The dynamics of frictional interfaces play an important role in many physical systems spanning a broad range of scales. It is well-known that frictional interfaces separating two dissimilar materials couple interfacial slip and normal stress variations ...
C. H. Scholz, E. Fukuyama, F. Bowden, J. Martins, K. B. Broberg, L. Freund, L. D. Landau, R. Madariaga, S. Timoshenko   +8 more
core   +3 more sources

Discussion on Road Reflection Crack and Control

IOP Conference Series: Materials Science and Engineering, 2020
Abstract This paper focused on the problems encountered in the road construction of a coal-fired power plant in the Philippines as an example. Some cracks and damage appeared in the roadbed after the road concrete base layer has been built.
Huifang Zhao, Hongbo Li
openaire   +1 more source

Review of reflective cracking in composite pavements

International Journal of Pavement Research and Technology, 2020
Reflective cracking is identified as the main weakness of composite pavement in airfield and highways forcing the authorities to devote a large portion of their budget to rehabilitation and/or reconstruction of the existing composite pavements. It is, therefore, very important to have a better understanding of the reflective cracking mechanism to ...
Sahar Deilami, G. White
openaire   +1 more source

TBK1‐Associated Primary Lateral Sclerosis Followed by Right Temporal Variant Frontotemporal Dementia

Annals of Clinical and Translational Neurology, EarlyView.
ABSTRACT We report a 58‐year‐old woman with a novel splice‐site variant in the TANK‐binding kinase 1 (TBK1:c.993–2A>C p.Ala332TyrfsTer39) who sequentially developed primary lateral sclerosis (PLS) followed by right temporal variant frontotemporal dementia (rtvFTD). Neuroimaging demonstrated right anterior temporal atrophy before cognitive symptoms, and
Tomoyasu Matsubara, Naoki Kihara, Satoko Miyatake, Koji Fujita, Konoka Tachibana, Ryosuke Miyamoto, Hiroki Yamazaki, Yusuke Osaki, Nazere Keyoumu, Yuki Kuwano, Nobutoshi Morimoto, Suzuran Saito, Eriko Koshimizu, Yoichi Otomi, Kenji Ishibashi, Masafumi Harada, Naomichi Matsumoto, Hiroyuki Morino, Yuishin Izumi   +18 more
wiley   +1 more source

Reflection Crack Analysis of Asphalt Overlay on Cement Concrete Pavement Based on XFEM

Advances in Civil Engineering, 2021
Based on the improved Paris formula, the reflection cracking characteristics of asphalt overlay on the cement concrete pavement are carefully scrutinized.
Qiang Li, Zhixiang Chen, Shaohui Luo
doaj   +1 more source