Results 1 to 10 of about 48,698 (164)

Experimental study on pore structure and dynamic mechanical properties of modified rubber concrete after freeze-thaw cycle [PDF]

Scientific Reports
In this paper, the pore structure and mechanical characteristics of freeze-thaw cycled plain concrete, rubber concrete and modified rubber concrete (rubber volume content 10%) under impact load were investigated by using nuclear magnetic resonance ...
Minggao Chen, Shujie Yang, Shuyuan Wang, Yan Zhou   +3 more
doaj   +2 more sources

Microscopic mechanism of calcium silicate hydrate(C-S-H) freeze-thaw cycle based on molecular dynamics [PDF]

Scientific Reports
In order to study the microstructure changes of C-S-H under the freeze-thaw cycling, the freeze-thaw cycle simulation of C-S-H is carried out based on molecular dynamics in this paper.
Xiaotian Lin, Yulin Wang, Henggan Li, Zihan Zhao, Huixin Zuo, Dehong Chen, Jiacan Hou   +6 more
doaj   +2 more sources

Study on the Frost Heaving Characteristics and Strength Deterioration of Saturated Red Sandstone Under a Unidirectional Freeze–Thaw Cycle

Applied Sciences
In order to explore the influence of the temperature gradient on rock failure degree during freezing and thawing, freeze–thaw-cycle tests were carried out on saturated red sandstone under the conditions of all-directional freeze–thaw and unidirectional ...
Zhongyao Li, Qingyang Ren, Zhen Liu, Peiqing Wang, Hao Tang   +4 more
doaj   +3 more sources

Nitrate loading projection is sensitive to freeze-thaw cycle representation [PDF]

Water Research, 2020
Junyu Qi, Qianfeng Wang, Qianfeng Wang   +2 more
exaly   +2 more sources

Influence of freeze-thawed cycles on pork quality [PDF]

Animal Bioscience, 2021
Objective: This study was conducted to determine the effect of freeze-thawed cycles (Fresh meat, F-T 1 cycle and F-T 2 cycles) on the quality characteristics of porcine <i>longissimus dorsi</i> muscle. Methods: A total of 20 three-crossbred pigs (Duroc×[Large White×Landrace]) were randomly obtained from a commercial slaughterhouse in ...
Tiprawee Tippala, Nunyarat Koomkrong, Autchara Kayan   +2 more
openaire   +3 more sources

Transformation characteristics of pore structure of coal by freezing-thawing cycle

Meikuang Anquan, 2022
In order to improve the effect of the gas extraction, to explore the transformation characteristics of freezing and thawing cycle of coal pore, vacuum full anthracite coal samples of water are placed in cooler（-20 ℃）, the nuclear magnetic resonance T2 ...
YUAN Junwei, XIA Jingyi, CHU Shaofei
doaj   +1 more source

Fractional Stress Relaxation Model of Rock Freeze-Thaw Damage

Advances in Materials Science and Engineering, 2021
Freeze-thaw cycle is a type of fatigue loading, and rock stress relaxation under freeze-thaw cycles takes into account the influence of the freeze-thaw cycle damage and deterioration.
Q. Liu, W. Chen, J. K. Guo, R. F. Li, D. Ke, Y. Wu, W. Tian, X. Z. Li   +7 more
doaj   +1 more source

Study on the influence of freeze-thaw cycles on the deformation and mechanical properties of expansive soil

Shuili Shuiyun Gongcheng Xuebao, 2021
In order to explore the influence of the severe weather in the seasonal freezing area on the expansion and contraction deformation and physical and mechanical properties of the canal base expansive soil with different water contents, the expansive soil ...
CHEN Yong, HUANG Yinghao, ZHU Xun, WU Min, WANG Shuo, ZHU Rui   +5 more
doaj   +1 more source

The Impact of Freeze-Thaw Cycles on Epinephrine [PDF]

Wilderness & Environmental Medicine, 2015
ObjectivesEpinephrine is the first-line medical treatment for anaphylaxis, a life-threatening allergic syndrome. To treat anaphylaxis, backcountry recreationalists and guides commonly carry epinephrine autoinjectors. Epinephrine may be exposed to cold temperatures and freezing during expeditions.
Heather, Beasley, Pearlly, Ng, Albert, Wheeler, William R, Smith, Scott E, McIntosh   +4 more
openaire   +3 more sources

Experimental Study on Damage Characteristics of Solidified Mud under Coupling Action of Freeze-Thaw Cycle and Chloride Salt

Geofluids, 2022
The physical properties of solidified mud will deteriorate under the combined action of freezing-thawing cycle and chlorine salt, which will affect the safety and stability of solidified mud engineering.
Jinsong Zhang, Yaxing Wang, Jianyong Pang, Yu Lu, Yishun Bu   +4 more
doaj   +1 more source