The distribution and characterization of expansive soils in Mongolia

Enkhtur, Odgerel; Dashjamts, D.

doi:10.1109/ifost.2011.6021263

Cited by 3 publications

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“…Tis pressure is referred to as swelling pressure, which imposes the maximum damage on the structure built on expansive soil. Te version of moisture content material is especially due to modifcations inside the area of surroundings from herbal situations, adjustments associated with creation and exploitation outcomes at the moisture below the shape [5,6].…”

Section: Introductionmentioning

confidence: 99%

Utilization of Waste Incineration Bottom Ash to Enhance Engineering Properties of Expansive Subgrade Soils

Melese

2022

Advances in Civil Engineering

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Expansive soils are a type of soil that exhibits the ability to swell and shrink with the variation of moisture content. Lightweight structures such as pavements, sidewalks, and driveways face failures due to the swelling and shrinkage behavior of expansive soils. Therefore, the aim of this study is to investigate the effect of waste incineration bottom ash on the engineering properties of expansive subgrade soils. To investigate the waste incineration bottom ash, tests such as specific gravity, Atterberg limit, free swell test, compaction characteristics, unconfined compression strength, and Californian bearing ratio (CBR) were conducted. The soil was stabilized by waste incineration bottom ash with proportions of 10%, 15%, 20%, 25%, and 30% by dry weight. From the laboratory test results, the soil under this category has poor engineering properties which include high plastic index, high free swell index, low UCS, and low CBR. The performance of soil improved as waste incineration bottom ash content increased with respect to curing time. The curing time of the sample has a significant effect on the performance of the weak subgrade soil.

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Section: Introductionmentioning

confidence: 99%

Utilization of Waste Incineration Bottom Ash to Enhance Engineering Properties of Expansive Subgrade Soils

Melese

2022

Advances in Civil Engineering

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“…1 , 12 Also, since the majority of cancer patients are diagnosed at a relatively late stage, the disease has become a serious public health issue. 13 , 14 …”

Section: Introductionmentioning

confidence: 99%

“…There is a paucity of quality data around mortality rates in Mongolia with some rural areas having no mortality data. A relatively recent national study 13 demonstrated that 93.4% of the Mongolian women with breast cancer were diagnosed at advanced stages ( Figure 4 ). The data that are available indicate that breast cancer is the 8th most common cause of cancer-related death in the country with age-standardized mortality rate of 2.7 per 100,000 in 2012.…”

Section: Introductionmentioning

confidence: 99%

“…In Mongolia, the risk factors associated with breast cancer are understudied. The only available case-control study 13 involved 522 breast cancer patients and was locally published in 2009. Similar to other countries, this limited evidence proposes the following risk factors: reproductive factors including early menarche, irregular menstrual cycles, nulliparity and obesity; induced abortion, which was aligned with a recent Chinese meta-analysis; 57 and various disease states including ovarian chronic inflammation and cysts and uterine fibroids.…”

Section: Introductionmentioning

confidence: 99%

“…Similar to other countries, this limited evidence proposes the following risk factors: reproductive factors including early menarche, irregular menstrual cycles, nulliparity and obesity; induced abortion, which was aligned with a recent Chinese meta-analysis; 57 and various disease states including ovarian chronic inflammation and cysts and uterine fibroids. 13 It is also interesting to note that ethnic minority groups are expected to have low rates of incidence and mortality since these women generally adhere to more traditional lifestyles compared with their westernized counterparts; however, the opposite pattern was observed in Mongolia, which suggests a uniqueness around genetic and risk factors. While the aforementioned factors have been shown to be relevant to Mongolia, other important parameters reported for other countries such as family history, lifestyle factors and hormone replacement treatment (HRT) are currently poorly understood in Mongolia.…”

Section: Introductionmentioning

confidence: 99%

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Breast cancer in Mongolia: an increasingly important health policy issue

Demchig

Mello‐Thoms

Brennan

2017

BCTT

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Breast cancer is a leading cause of cancer-related death for women in both developed and developing countries. The incidence and mortality of breast cancer in Mongolia, while low compared with other counties, has been increasing on an annual basis. In addition, in Mongolia, approximately 90% of the patients are diagnosed at a late stage, resulting in high mortality, with the majority of individuals diagnosed with breast cancer dying within 5 years of diagnosis. Breast cancer screening plays an important role in reducing mortality in Western countries and has been adopted by a number of Asian countries; however, no such approach exists in Mongolia. In a country of limited resources, implementation of expensive health strategies such as screening requires effective allocations of resources and the identification of the most effective imaging methods. This requirement relies on recent accurate data; however, at this time, there is a paucity of information around breast cancer in Mongolia. Until data around features of the disease are available, effective strategies to diagnose breast cancer that recognize the economic climate in Mongolia cannot be implemented and the impact of breast cancer is likely to increase.

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Utilization of Black Cotton Soil Stabilized with Brick Dust-Lime for Pavement Road Construction: An Experimental and Numerical Approach

Melese,

Aymelo,

Weldesenbet

et al. 2023

BJRBE

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Black cotton soil is highly susceptible to volume change due to moisture fluctuations. This leads to the deformation of structures built on such soil. Therefore, the aim of this study is to improve the soil-bearing capacity and deformation analysis of black cotton soil. The laboratory tests were done according to the American Association State of highway and Transport Official (AASHTO) and the American Society for Testing and Materials (ASTM). These tests were natural moisture content, grain size distribution, X-ray diffraction test, Atterberg limit test, modified compaction, California bearing ratio, and triaxial test. Soil sample was stabilized with a ratio of 0%, 4%, 8%, 12%, and 16% of brick dust and 0%, 1%, 3%, 5%, and 7% of lime, respectively. The result of the laboratory test at the optimum percentage of 12% brick dust and 5% lime shows that the liquid limit improved from 93.2% to 67.5%, plastic limit improved from 48.71%, to 58.2%. The optimum moisture content improved from 26.76 to18.5% and Maximum dry density improved from 1.42 g/cm3 to 1.58 g/cm3. The California bearing ratio improved from 1.29%, to 13.6%. The deformation analysis result shows that at optimum percentage of stabilizing agent, the deformation reduced from 2.087 mm to 0.973 mm. Therefore, brick dust-lime soil stabilization shows the promising improvement of weak subgrade soil.

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The distribution and characterization of expansive soils in Mongolia

Cited by 3 publications

References 0 publications

Utilization of Waste Incineration Bottom Ash to Enhance Engineering Properties of Expansive Subgrade Soils

Utilization of Waste Incineration Bottom Ash to Enhance Engineering Properties of Expansive Subgrade Soils

Breast cancer in Mongolia: an increasingly important health policy issue

Utilization of Black Cotton Soil Stabilized with Brick Dust-Lime for Pavement Road Construction: An Experimental and Numerical Approach

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