ANHYDRITE

作品数:20被引量:27H指数:2
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相关领域:天文地球更多>>
相关机构:西安热工研究院有限公司宁波争光树脂有限公司北京城建建设工程有限公司中国建筑材料科学研究总院更多>>
相关期刊:《China Today》《International Journal of Minerals,Metallurgy and Materials》《Acta Oceanologica Sinica》《Journal of Rock Mechanics and Geotechnical Engineering》更多>>
相关基金:国家自然科学基金山东省自然科学基金国家重点基础研究发展计划更多>>
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Calcium Carbonate and Ettringite Induced Efflorescence in CAC-Anhydrite Binary Systems被引量:1
《Journal of Wuhan University of Technology(Materials Science)》2024年第5期1129-1137,共9页SUN Zixuan CHEN Yuting XU Linglin LIU Siyu YU Long PAN Feng WANG Chaoqiang WU Kai YANG Zhenghong 
Funded by the National Key Research and Development Program of China(No.2022YFC3803400);National Natural Science Foundation of China(Nos.52378255,52278270);Shanghai Municipal Science and Technology Major Project(No.2021SHZDZX0100);the Fundamental Research Funds for the Central Universities and the Experimental Center of Materials Science and Engineering in Tongji University。
We focused on the efflorescence induced microstructural evolution of ettringite-rich systems prepared with calcium aluminate cement(CAC)and anhydrite.The effects of anhydrite on the visible efflorescence,and the corre...
关键词:calcium aluminate cement ANHYDRITE EFFLORESCENCE ETTRINGITE phase assemblage pore structure 
Mechanical and acoustic emission characteristics of anhydrite rock under freeze-thaw cycles被引量:2
《Journal of Mountain Science》2023年第1期227-241,共15页ZHANG Chi JIN Xiao-guang HOU Chao HE Jie 
the Fundamental Research Funds for the Central Universities(Project No.2022CDJKYJH037);the National Key R&D Program of China(Grant No.2021YFB3901402)。
To study the damage mechanisms of anhydrite rock under freeze-thaw cycles, the physicalmechanical properties and the microcracking activities of anhydrite rock were investigated through mass variation, nuclear magneti...
关键词:Freeze-thaw cycles Anhydrite rock Physical and mechanical properties AE characteristics Damage mechanism 
Experimental studies on the pore structure and mechanical properties of anhydrite rock under freeze-thaw cycles被引量:15
《Journal of Rock Mechanics and Geotechnical Engineering》2022年第3期781-797,共17页Chao Hou Xiaoguang Jin Jie He Hanlin Li 
the National Natural Science Foundation of China for financial support (Grant No. 51578091)
To study the deterioration mechanisms of anhydrite rock under the freeze-thaw weathering process,the physico-mechanical characteristics and microstructure evolutions of anhydrite samples were determined by a series of...
关键词:Anhydrite rock Freeze-thaw cycles Physico-mechanical characteristics Microstructure evolution Deterioration mechanisms 
First report of TSR origin minerals filled in anhydrite dissolved pores in southeastern Ordos Basin被引量:1
《China Geology》2019年第2期245-247,共3页Li-hong Liu Chun-lian Wang Xing-min Zhao 
supported by National Science Foundation of China (41802173).
1.Objective Yican 1 well, drilled in Southeastern Ordos Basin by Oil & Gas Survey, China Geological Survey in 2014 produced 3.7×104 m3 natural gas daily, which is the most productive well in the area by far. However,...
关键词:TSR ANHYDRITE dissolved pores southeastern ORDOS Basin 
Analysis of drying and saturating natural gypsum samples for mechanical testing被引量:1
《Journal of Rock Mechanics and Geotechnical Engineering》2019年第2期219-227,共9页Mohammadhossein Sadeghiamirshahidi Stanley J.Vitton 
The stability of underground abandoned gypsum mines is dependent on the gypsum pillar's strength,and most abandoned mines are in a fully saturated condition. Moisture affects the strength of gypsum and is therefore co...
关键词:Gypsum-hemihydrate-anhydrite transformation DEHYDRATION Rock core saturation Moisture content HELIUM PYCNOMETER 
Analysis of Structure and Textures of Anhydrite Mineral in Gachsaran Formation in Gotvand Area, Iran
《Open Journal of Geology》2017年第10期1478-1493,共16页Maryam Marandi Davood Jahani Ali Uromeihy Majid Karimpour Reihan 
Minerals are deposited when evaporation is greater than atmospheric precipitation. Calcium sulfates are one of the most important evaporative minerals which have been expanding over the past few years. In the formatio...
关键词:Gachsaran FORMATION Lower MIOCENE EVAPORATION ANHYDRITE 
A graphical model for haloanhydrite components and P-wave velocity:A case study of haloanhydrites in Amu Darya Basin被引量:2
《Applied Geophysics》2016年第3期459-468,579,共11页Guo Tong-Cui Wang Hong-Jun Mu Long-Xin Zhang Xing-Yang Ma Zhi Tian Yu Li Hao-Chen 
supported by the National Major Scientific and Technological Special Project(No.2011ZX05029-003);the project of the Research Institute of Petroleum Exploration&Development(No.2012Y-058)
Wave velocities in haloanhydrites are difficult to determine and significantly depend on the mineralogy. We used petrophysical parameters to study the wave velocity in haloanhydrites in the Amur Darya Basin and constr...
关键词:SALT ANHYDRITE graphical model P-wave velocity Ainu Darya Basin 
Sr Isotopes and REEs Geochemistry of Anhydrites from L Vent Black Smoker Chimney, East Pacific Rise 9oN–10oN被引量:1
《Journal of Earth Science》2015年第6期920-928,共9页Huiqiang Yao Huaiyang Zhou Xiaotong Peng Gaowen He 
supported by the China Ocean Mineral Resource R & D Association (COMRA) Projects (Nos. DY125-13-R-08, DY125-13-R-01, and DY125-13-R-05)
High resolution sampling, for Sr isotope and REE analyses, was carried out along a transaction of L vent chimney collected from East Pacific Rise 9oN–10oN. Sr isotopes show these anhydrites are precipitated from a mi...
关键词:East Pacific Rise 9°N-10°N black smoker chimney ANHYDRITE Sr isotope REE. 
Morphology, crystal structure and hydration of calcined and modified anhydrite被引量:1
《International Journal of Minerals,Metallurgy and Materials》2014年第10期1028-1032,共5页Xiao-qing Niu Ji-chun Chen 
The effects of calcination and modification on the morphology (shapes and textures) and crystal structure of anhydrite powders were studied. The results show that, calcination at 100℃ causes anhydrite to disintegra...
关键词:ANHYDRITE MORPHOLOGY crystal structure curing HYDRATION CALCINATION modification 
Dehydration of Gypsum Rock by Solar Energy: Preliminary Study
《Geomaterials》2014年第3期82-91,共10页Aurora López-Delgado Sol López-Andrés Isabel Padilla Marta Alvarez Roberto Galindo Alfonso José Vázquez 
The dehydration process of gypsum rock was studied under concentrated solar energy by using a Fresnel lens with power density of 260 Wcm-2. Temperatures higher than 700。C were attained for 1 min of solar exposure. Th...
关键词:GYPSUM BASSANITE ANHYDRITE Concentrated Solar Energy FRESNEL Lens 
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