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Slope stability FEM analysis and retaining wall design:a case study of clinker in Benxi of Liaoning

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Global Geology 2008年第2期11卷 93-101页

作者： Aref M.O.AL-JABALI mohammed hazaea College of Construction Engineering Jilin University

Stability is always the most important problem after high slope was *** study analyzed the stress and strain inside the slope by Finite Element Method(FEM) and carried through stress distribution and failure zone,then analyzed the stability of the slope using three different methods and came to the conclusion that it is in unstable condition,so the designed retaining wall was put forward which makes the slope stable.

关键词：高坡度稳定性应力-应变分析辽宁熔块

Geochemical survey of thermal system in Northeast China and their geothermometric characters

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Journal of Geoscientific Research in Northeast Asia 2004年第2期7卷 181-184页

作者： mohammed hazaea mohammed Mattash M. O. Al-Jabali Aref mohammed Abdussalam College of Earth Sciences Jilin University Changchun 130061 Jilin ChinaCollege of Earth Sciences Jilin University Changchun 130061 Jilin ChinaCollege of Earth Sciences Jilin University Changchun 130061 Jilin ChinaCollege of Earth Sciences Jilin University Changchun 130061 Jilin China

The chemical composition of several thermal springs around Changbaishan area has been *** basaltic rocks are widely distributed in Northeast China and geothermal characteristics have been *** one hundred hot springs exist around Changbaishan Volcano at the border between China and *** with high temperature about 82℃. The pH values of the spring water range from 6.9 to 7.1 and the total flow rate is about 4.8 L /sec. The chemical composition of the thermal springs is sodium carbonate; the high-mineral contents of thermal water are believed to have medicinal properties. Bathhouses are already built along the hot springs to take the advantage of the supposed healing properties. The high quality of those hot springs is believed to be utilitized for mineral water. The chemical equilibrium temperatures were estimated at about 160℃ based on the Na-K-Ca geochemical thermometer.

关键词：地热系统热流流动中国西北地区地球化学调查

Research on experiment and calculation of foam bursting device

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Global Geology 2007年第1期10卷 34-38页

作者： hazaea mohammed Youhong SUN Ould El HousseinYarbana Longxiang XU Al-Aswar Fahmi College of Construction Engineering Jilin University Changdzun 130026 China Weatherford Air-Foam Petroleum Drilling Company Yemen

This research presents experimental data on mechanical foam bursting device,based on the high speed of air fluid impinging insidethe foam bursting device,foam bubbles disrupted as a consequence of pressures changed very quickly as shear force and their impact *** data on foam-bursting capacity have been *** device can provide effective foam bursting on collapse foam.

关键词：压强变化泡沫破裂泡沫钻进流体泡沫爆裂器件

中国东北部和也门西部的地热系统及地热温度特性研究

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中国东北部和也门西部的地热系统及地热温度特性研究

作者：哈扎（mohammed hazaea Qahtan）吉林大学

学位级别：硕士

地热资源的直接利用在中国已有很多年的历史,同时也有少部分地热间接应用于发电;热泉水的治病特性在中国的一些地方受到群众的广泛赞誉。热泉水的温度范围在37℃-96℃之间,PH 值在6.3—8.7 范围内变动,但是从蒸汽喷气孔和火山气孔处采... 详细信息

地热资源的直接利用在中国已有很多年的历史,同时也有少部分地热间接应用于发电;热泉水的治病特性在中国的一些地方受到群众的广泛赞誉。热泉水的温度范围在37℃-96℃之间,PH 值在6.3—8.7 范围内变动,但是从蒸汽喷气孔和火山气孔处采集到的冷凝物却有较低的PH 值(<4.5)和较低TDS 值(<250ppm)。在也门西部地区(火山岩区)的热水主要有两种类型,它们是Na-HC03 型和Na(K)一Cl 型。然而该地区的地表水化学组分却与世界其他地方的相同,为典型的Ca(Mg)-HC()3型水。研究表明,热泉泉水的类型与地壳深处的岩浆房以及该地区火山岩的化学组分有关。在构造上,这些火山杂岩平行于红海延伸方向,与该方向的N—Nw 向断裂有关,部分与相对较浅的第三纪碱性侵入体有关,还有的与NE—SE、E—W 和*** 向断裂相关, 这一系列断裂均与红海延伸方向或阿旦湾延伸方向平行。中国东北的长白山地区,为白垩纪玄武岩广泛分布的区,这里的多座热泉的化学组分已经得到了详细的研究,此外还有详尽资料描述了该地区区域地热特性。鞍山市的地热田包括很多发育在第四纪沉积物中的热泉或热水井,这些第四纪沉积物直接覆盖在元古宙的变质花岗岩或者古生代碳酸岩之上。该地区热泉或热水井的温度范围为49℃-96℃,PH 的变化范围8.74-9.02,地热水为Na(K)-C1-S 型。该地区地热水可以用于鞍山市的取暖系统,或者用于医疗治病。通过对也门和中国东北的热泉的研究,揭示了热泉水的类型和区域岩石类型的关系,那就是:当热泉水沿着岩石裂隙从地下流向地表的时候,其泉水类型由流经区的岩石化学组成决定(水石反应)。

关键词：地热热泉地球化学也门白山长鞍山

消泡压力对消泡率的影响及基于数值模拟的消泡器结构优化设计

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世界地质 2010年第3期29卷 509-513页

作者： Yarbana EL Houssein 孙友宏 mohammed hazaea 吉林大学建设工程学院长春130026

在泡沫钻进过程中,现有的消泡器往往不能很好地达到消泡的目的。笔者建立了消泡器室内试验台,进行了消泡压力对消泡器消泡能力的影响试验,通过测试不同压力与不同泵转速确定了消泡压力与消泡率的关系,同时借助FLUENT软件对消泡器的扩散... 详细信息

在泡沫钻进过程中,现有的消泡器往往不能很好地达到消泡的目的。笔者建立了消泡器室内试验台,进行了消泡压力对消泡器消泡能力的影响试验,通过测试不同压力与不同泵转速确定了消泡压力与消泡率的关系,同时借助FLUENT软件对消泡器的扩散管和消泡管内部的压力分布,进行了数值模拟与分析。根据分析结果对消泡器进行了优化设计,将消泡管的长度从15cm增加至65cm。对改进后的消泡器进行室内试验,其消泡率达到80%左右。

关键词：缝隙式消泡器消泡压力消泡率数值模拟优化设计

Causes of rockfalls in Al-Huwayshah area,Yemen

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Global Geology 2009年第1期12卷 5-12页

作者： Aref M. O. AL-JABALI NIE Lei Abdo S. AL-MAQTARY Hussein AL-AKHALI mohammed hazaea Fadel AL-AGHBARI College of Constriction Engineering Jilin University Changchun 130026 China Geological Survey and Mineral Resources Board Sana＇a Yemen

According to topography of Yemen,most areas and villages are located at obligated crest,toe of mountain and under *** Al-Huwayshah consisting of Tawilah sandstone group is characterized by steep slope reach to 90° in some *** area is affected by strong tectonic movements and faults that occurred during the geological *** effect enhances to find out fractures and joints as well as the rocks become brittle and ready to slide depending on the position of *** there are some fractures and joints on the surface of the areas due to tectonic movement associated with opening the Red Sea and Gulf of *** rainfalls,fractures,joints,earthquakes,gravity,vegetations,temperatures and human activities play a big role in the processes of rockfalls and landslides in this *** those factors are considered as the basic causes and catalyzed factors for occurrence of rockfall in the studide *** addition,the authors carried out laboratory test for many rock samples to get the physical properties of the rocks.

关键词：地质成因人工智能也门岩石样本构造运动地质时代山体滑坡人类活动