scholarly journals Stabilized soil - new material for road construction

2020 ◽  
Vol 918 ◽  
pp. 012117
Author(s):  
Kateryna Krayushkina ◽  
Olena Oliynyk
Keyword(s):  
Road Construction ◽  
Stabilized Soil ◽  
New Material

scholarly journals Test Study on Road Performance of Soils Stabilized by Liquid Stabilizer in Seasonally Frozen Regions

2012 ◽  
Vol 5 ◽  
pp. 310-315 ◽  
Author(s):  
Yao Chen ◽  
Yi Qiu Tan
Keyword(s):  
Water Resistance ◽  
Base Material ◽  
Road Construction ◽  
Penetration Resistance ◽  
Comprehensive Investigation ◽  
Test Study ◽  
Stabilized Soil ◽  
Road Performance ◽  
Modulus Of Resilience ◽  
Seasonally Frozen Regions

In seasonally frozen regions, road construction often suffers from low strength,lack of durability, etc. Improving the typical clay’s workability in Changchun with lime and the Base-Seal stabilizer (BS-100) shows promising results. A comprehensive investigation to assess the soil characteristics influence is undertaken, so as the lime and liquid stabilizer (BS-100) content on the physical properties of stabilized soils in seasonally frozen regions. The optimum mix proportions, unconfined compressive strength, splitting strength, modulus of resilience, freeze-thaw action, water resistance and penetration-resistance were outlined. By comparing with current specifications, the Base-Seal stabilized soil as base material has higher early strength, higher after-strength and better frost stability.The results can be applied in road construction in seasonally frozen regions.

Experimental Research Detailed Indicators of Cement-Stabilized Soil Combined Evocrete ST Additive

2020 ◽  
pp. 58-67
Author(s):  
Ван Лонг Нгуен ◽  
Ф. В. Матвиенко ◽  
Ким Тан Хуинь
Keyword(s):  
Construction Materials ◽  
Road Construction ◽  
Road Transport ◽  
Transport Infrastructure ◽  
Study Results ◽  
The World ◽  
Stabilized Soil ◽  
Pavement Construction ◽  
Intensive Development ◽  
Different Levels

Постановка задачи. В условиях интенсивного развития мировой дорожно-транспортной инфраструктуры в настоящее время наблюдается дефицит качественных дорожно-строительных материалов. Одним из основных способов решения этой проблемы является применение грунтов, укрепленных неорганическими вяжущими веществами для сооружения конструктивных слоев дорожной одежды. Результаты. Приведен краткий теоретический обзор результатов исследований возможности применения грунтов, укрепленных неорганическими вяжущими веществами и цементом совместно с различными добавками, для сооружения конструктивных слоев дорожной одежды. Приведены результаты экспериментальных исследований основных прочностных показателей грунтов, укрепленных цементом с различным содержанием добавки Evocrete ST. Выводы. Установлен значительный положительный эффект от применения добавки Evocrete ST в количестве 3-5 % от массы цемента для укрепления исследуемых грунтов в комплексе с цементом. Предложено применить исследуемые грунты, укрепленные добавкой Evocrete ST совместно с цементом, для сооружения конструктивных слоев дорожной одежды автомобильных дорог различных категорий. Statement of the problem. Under the conditions of intensive development of the world road transport infrastructure, there is currently a shortage of high-quality road construction materials. One of the key solutions to address this problem is to use stabilized soil with inorganic binder to make the pavement construction. Results. The paper presents an overview of the study results in evaluating the ability to use stabilized soil with inorganic binders, and other inorganic adhesives combinations for pavement construction. The study also shows the different levels of indicators of cement-stabilized soil combined Evocrete ST additive. Conclusions. It can be seen that the effectiveness of using Evocrete ST additive with a content of 3-5 % combining cement to stabilize the soil. The study proposes to use cement-stabilized soil combined Evocrete ST additive to make different type of pavement constructions.

Strength and Swelling Properties of Solidified Dredged Materials

2011 ◽  
Vol 261-263 ◽  
pp. 812-815
Author(s):  
Dong Xing Wang ◽  
Rachid Zentar ◽  
Nor Edine Abriak
Keyword(s):  
Road Construction ◽  
Treatment Method ◽  
Point Of View ◽  
Engineering Properties ◽  
Swelling Properties ◽  
The Road ◽  
New Material ◽  
Traditional Approaches ◽  
The Impact

In the context of sustainable development, traditional approaches such as ocean dumping and inland deposit are unsatisfactory for managing such large quantity of dredged marine sediments. The solidified sediments with cement as a new material for road construction are preferred to resolve the present issue for minimizing the impact to environment. Based on the basal characterization of dredged sediments, a series of tests, such as compaction tests, compressive strength and tensile strength tests and swell tests, are performed to explore the engineering properties of treated materials. The compressive and tensile strengths increase with cement content and curing time, while the swell percents of sediments decrease after immersion in water for 4 days. And this treatment method could be considered adaptive and acceptable for the road construction from the point of view of swelling property. Finally, the I-CBR index of cement-treated sediments increases due to the flocculation and cementation compared to the I-CBR index before immersion.

scholarly journals Crude Oil Contaminated Soil: Its Neutralization and Use

2020 ◽  
Vol 12 (8) ◽  
pp. 3087
Author(s):  
Yedil Ergozhin ◽  
Umirzak Dzhusipbekov ◽  
Bagdat Teltayev ◽  
Gulzipa Nurgalieva ◽  
Aynur Shakirova ◽  
...  
Keyword(s):  
Crude Oil ◽  
Contaminated Soil ◽  
Boiling Point ◽  
Road Construction ◽  
Absorption Spectrometry ◽  
Ir Spectrometry ◽  
Road Section ◽  
Gas And Liquid Chromatography ◽  
Stabilized Soil ◽  
High Boiling Point

The paper represents the research results for the process of crude oil-contaminated soil neutralization with the use of a neutralizer obtained on the basis ofhumic substances. Using physical methods (gas and liquid chromatography, fluorimetry, atomic absorption spectrometry, IR spectrometry), the element and group compositionswere determined for the crude oil-contaminated soil, neutralizer, and neutralized soil. Optimal parameters were determined for the process of the crude oil-contaminated soil neutralization under laboratory conditions:weight ratios of the crude oil-contaminated soil, neutralizer and water, and the temperature and neutralization process duration. The technological scheme was developed for the neutralization of the crude oil-contaminated soil in field conditions. It was found that low-boiling point hydrocarbon fractions (C12–C17) disappear completely at neutralization, the content of high-boiling point hydrocarbon fractions (C20–C23) is essentially increased, and the content of oil components and metals, including the toxic ones, is decreased. The engineering characteristics for nine mixtures of the stabilized soil, containing the neutralized soil, were evaluated under laboratory conditions and the conditions were determined for their use in road construction (with regard to road category, characteristic pavement layer, minimal air temperature). An experimental road section was constructed with the use of the stabilized soil with neutralized soil (40%).

Stabilization Effect of Aluminum Dross on Tropical Lateritic Soil

2018 ◽  
Vol 39 ◽  
pp. 86-96 ◽  
Author(s):  
Ayobami Adebola Busari ◽  
Isaac I. Akinwumi ◽  
Paul O. Awoyera ◽  
O.M. Olofinnade ◽  
T.I. Tenebe ◽  
...  
Keyword(s):  
Solid Waste ◽  
Soil Sample ◽  
Road Construction ◽  
Liquid Limit ◽  
Plasticity Index ◽  
Engineering Properties ◽  
Lateritic Soil ◽  
Suitable Material ◽  
Aluminum Dross ◽  
Stabilized Soil

This experimental research assessed the engineering and geotechnical properties of Aluminum dross (ALDR). Glumly, this solid waste is usually open dumped with detrimental effect on the environment. In a bid to reduce solid waste in the environment and also improve pavement interlayer properties, this research utilized ALDR as a stabilizer for tropical lateritic soil. The lateritic soil was stabilized with the addition of this solid waste at 2% intervals from 2% to 16%. Response surface analysis was used in optimizing the strength and consistency of the stabilized soil sample. The addition of this non-conventional stabilizer helped in modifying the engineering properties of the soil sample, this had indications on the atterberg limit as the liquid limit, and the plasticity index increased from 43% to 54.61% and 28.02%- 40.8% respectively, while the plasticity index reduced from 15.1% - 13.8% signifying soil improvement. The load-bearing capacity of the sample increased from 51.22% to 62.41%. Additionally, the unconfined test showed that addition of ALDR residue improved the consistency of the stabilized soil sample. From the model equation, a positive relationship exists between CBR and UCS. R2value of 0.81 showed the robustness of the model developed. The research showed that aluminum dross is a suitable material for improving the engineering properties of the tropical lateritic soil towards a sustainable road construction.

scholarly journals Aproveitamento dos rejeitos das indústrias de calcinação de calcário na porção setentrional do estado do Ceará com foco na reparação de dano ambiental

2020 ◽  
Vol 13 (3) ◽  
pp. 1309
Author(s):  
Antônia De Castro Côrtes Pessoa ◽  
Francisco Pessoa Machado ◽  
Cláudio Ângelo da Silva Neto ◽  
José Antonio Beltrão Sabadia ◽  
Cynthia Romariz Duarte ◽  
...  
Keyword(s):  
Environmental Sustainability ◽  
Clay Soil ◽  
Road Construction ◽  
Environmental Damage ◽  
Calcination Process ◽  
Physical Strength ◽  
Damage Repair ◽  
Stabilized Soil ◽  
Geotechnical Tests ◽  
Limestone Calcination

Os resíduos gerados no processo de calcinação dos calcários formam pilhas que se constituem em fontes de degradação do meio ambiente e obstáculos ao bom andamento das atividades das unidades produtoras. O aproveitamento desses rejeitos pode gerar benefícios ao meio ambiente, bem como melhorias ao trabalho dos operários, além de ser mais uma fonte de renda para as indústrias de calcinação locais. Este estudo foi desenvolvido no sentido do aproveitamento racional e econômico desses materiais residuais na pavimentação de estradas e na construção de obras de aterro que exijam solo estabilizado e, consequentemente, de boa consistência. Inicialmente, foram coletados resíduos de três províncias produtoras de cal na porção setentrional no estado do Ceará, sendo uma localizada entre os municípios de Coreaú e Sobral; outra em Forquilha; e uma terceira em Quixeré. As amostras foram misturadas com um solo argiloso, constituindo amostras compostas de solo-rejeito com proporções de resíduo de 0% (zero), 20, 30, 40, 50, 60, 70 e 80%. Ensaios geotécnicos foram realizados para determinação de suas granulometrias e respectivos índices de suporte Califórnia (CBR), de plasticidade (IP) e de grupo (IG). Como resultado, verificou-se aumento da resistência física do solo mediante a incorporação do rejeito nas amostras, constatando que um solo argiloso com características físicas não recomendadas para o uso na construção de estradas poderá se tornar útil para essa finalidade se estabilizado com os resíduos das indústrias de cal, promovendo a reparação de dano ambiental na área das unidades produtoras e uma destinação racional para os rejeitos. Use of tailings from the limestone calcination industries of the state of Ceará with a focus on repair of environmental damage A B S T R A C TThe residues generated in the limestone calcination process form piles sources of degradation of the environment and obstacles to the good progress of the activities of the producing units. The use of these tailings might generate benefits to the environment, as well as improvements to the job of the workers, besides being another source of income for the local calcination industries. This study was developed in the sense of the rational and economic use of these residual materials in the paving of roads and in the construction of landfills that require stabilized soil and, consequently, good consistency. Initially, waste was collected from three producing provinces of lime in Ceará, one of which is located between the municipalities of Coreaú and Sobral; another in Forquilha; and the third in Quixeré. The samples were mixed with a clay soil, consisting of soil-reject samples with residue ratios of 0% (zero), 20, 30, 40, 50, 60, 70 and 80%. Geotechnical tests were performed to determine their granulometry and respective California (CBR), plasticity (IP) and group (IG) indices. As result, soil physical strength increased by incorporating the reject in the samples, noting that a clay soil with physical characteristics not recommended for use in road construction could be useful for this purpose if stabilized with the residues of lime industries, promoting the environmental damage repair in the area of the producing units and a rational destination for the wastes.Keywords: paving; damage mitigation; environmental sustainability; lime. 

scholarly journals INFLUENCE OF THE GENETIC FEATURES OF SOILS ON THE PROPERTIES OF SOIL-CONCRETES ON THEIR BASIS

2020 ◽  
pp. 69-75
Author(s):  
T. Dmitrieva ◽  
V. Strokova ◽  
A. Bezrodnykh
Keyword(s):  
Raw Materials ◽  
Physical And Mechanical Properties ◽  
Road Construction ◽  
Reinforced Soil ◽  
Soil Reinforcement ◽  
Production Costs ◽  
Forming Process ◽  
Main Hypothesis ◽  
Stabilized Soil ◽  
Clay Rocks

in order to form strong soil-concrete structures in parallel with the introduction of binder, an additive with a multicomponent composition that is activating the structure-forming process should be applied. Such additive is usually called stabilizer of soil, its introduction allows achieving a positive effect for soils with a high proportion of finely dispersed fraction in its composition. The article considers the main aspects of use in road construction of complex soil reinforcement by introducing a stabilizer and binding component. This technology will solve the problems of deficiency of high-quality traditional raw materials, lead to better physical and mechanical properties, increase labor productivity and reduce production costs. As a result of the carried out studies, principles for improving the quality characteristics of reinforced soil were developed, taking into account the mineral composition of clay raw materials. As the main hypothesis of the study an increase in the hydrophobicity of stabilized soil by blocking the hydrophilic centers of clay rocks should be marked. This circumstance helps to reduce the consumption of cement in the reinforced soil without reducing the operational and physical-mechanical characteristics. The dependence of the degree of effectiveness of the introduced stabilizing additive on the structural and chemical characteristics of clay rocks has been established, which decreases from montmorillonite and X-ray amorphous phases to kaolinite. Mixed layered formations, illite and chlorite act as intermediate minerals. Aluminosilicates act as the filler in this system that do not come into contact with the molecules of the stabilizer. To assess the degree of efficiency of interaction of the components of a soil-concrete mixture as an integral indicator it is necessary to use the cationic capacity of the soil.

scholarly journals Potential of Soil Stabilization Using Ground Granulated Blast Furnace Slag (GGBFS) and Fly Ash via Geopolymerization Method: A Review

Materials ◽  
2022 ◽  
Vol 15 (1) ◽  
pp. 375
Author(s):  
Syafiadi Rizki Abdila ◽  
Mohd Mustafa Al Bakri Abdullah ◽  
Romisuhani Ahmad ◽  
Dumitru Doru Burduhos Nergis ◽  
Shayfull Zamree Abd Rahim ◽  
...  
Keyword(s):  
Blast Furnace ◽  
Fly Ash ◽  
Blast Furnace Slag ◽  
Soil Stabilization ◽  
Road Construction ◽  
Granulated Blast Furnace Slag ◽  
Stabilized Soil ◽  
Ucs Test ◽  
Alkali Activated Binders ◽  
Furnace Slag

Geopolymers, or also known as alkali-activated binders, have recently emerged as a viable alternative to conventional binders (cement) for soil stabilization. Geopolymers employ alkaline activation of industrial waste to create cementitious products inside treated soils, increasing the clayey soils’ mechanical and physical qualities. This paper aims to review the utilization of fly ash and ground granulated blast furnace slag (GGBFS)-based geopolymers for soil stabilization by enhancing strength. Previous research only used one type of precursor: fly ash or GGBFS, but the strength value obtained did not meet the ASTM D 4609 (<0.8 Mpa) standard required for soil-stabilizing criteria of road construction applications. This current research focused on the combination of two types of precursors, which are fly ash and GGBFS. The findings of an unconfined compressive strength (UCS) test on stabilized soil samples were discussed. Finally, the paper concludes that GGBFS and fly-ash-based geo-polymers for soil stabilization techniques can be successfully used as a binder for soil stabilization. However, additional research is required to meet the requirement of ASTM D 4609 standard in road construction applications, particularly in subgrade layers.

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