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Dynamic Characteristics and Mechanism of the Saturated Compacted Loess under Freeze-Thaw Cycles

open access: yesGeofluids, 2021
To study the dynamic characteristics and mechanism of saturated loess after freeze-thaw cycles, a series of laboratory tests including freeze-thaw cycle tests, dynamic triaxial tests, and scanning electron microscope tests of the saturated remolded loess
Qian Wang   +5 more
doaj   +2 more sources

The Study of Influence of Freeze-Thaw Cycles on Silty Sand in Seasonally Frozen Soil Regions

open access: yesGeofluids, 2022
Freeze-thaw cycles can cause varying degrees of damage to expressway, in order to study the influence of freeze-thaw cycles on silty sand of expressway in Qinghai seasonal frozen soil regions, triaxial compression tests were carried out on silty sand ...
Zhijie Yu   +3 more
doaj   +2 more sources

Effect of Freeze-Thaw Cycles on Shear Strength Properties of Loess Reinforced with Lignin Fiber

open access: yesGeofluids, 2022
Freeze-thaw cycles caused by climate change can change the structure and strength of the soil. In seasonally frozen soil areas, the use of improved loess as a filling material must consider the effects of freeze-thaw cycles.
Zhongnan Gao   +5 more
doaj   +2 more sources

Study of the degradation and microstructural characteristics of granite porphyry with freeze–thaw cycles [PDF]

open access: yesScientific Reports
In this research, the microstructural damage and the degradation law are investigated for the rock mass in open-pit mine slopes with freeze–thaw cycles.
Yibin Zhang, Yihai Zhang, Xutong Jiang
doaj   +2 more sources

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

open access: yesAnimal 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   +2 more
openaire   +3 more sources

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

open access: yesShuili 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   +5 more
doaj   +1 more source

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

open access: yesWilderness & 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   +4 more
openaire   +3 more sources

Lead and Chromium Immobilization Process Subjected to Different Freeze-Thaw Treatments in Soils of the Northeastern Qinghai-Tibet Plateau

open access: yesJournal of Chemistry, 2021
The freeze-thaw cycle is one of the important processes that affected heavy metal behaviors in soil. However, information regarding the adsorption and desorption behavior of heavy metals in soils under different freeze-thaw conditions is relatively less.
Leiming Li, Jun Wu
doaj   +1 more source

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

open access: yesMeikuang 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

Experimental Study on the Mechanical Properties of Sandstone under the Action of Chemical Erosion and Freeze-Thaw Cycles

open access: yesAdvances in Civil Engineering, 2021
In order to study the mechanical properties of sandstone under the coupling action of chemical erosion and freeze-thaw cycles, the fine-grained yellow sandstone in a mining area in Zigong, China, is collected as the research object.
Lizhuang Cui   +3 more
doaj   +1 more source

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