This study was carried out to investigate the geotechnical properties of lateritic soils from anambra central senatorial zone of nigeria. Engineering property for lateritic soil stabilized with ordinary portland cement. They develop by intensive and prolonged weathering of the underlying parent rock. Laterite is foremostly a type of earthy soil, but it hardens into solid rock in air and is therefore suitable as a construction material. Engineering properties of lateritic soils from anambra central zone. Consolidation properties of compacted lateritic soil treated. Geotechnical investigation is one of the effective means of detecting and solving pre, syn and post constructional problems. Engineering evaluation of lateritic soils of failed highway. Keywordscalifornia bearing ratio, compaction, geotechnical properties, lateritic soil. Identification, characterization and understanding of properties of different clay minerals can help in evaluation of lateritic soils for classification and engineering performance. Red soils red soils along with its minor groups form the largest soil group of india.
The study was in two phases, firstly with the addition of cpa only by weight of dry soil and secondly with the addition of 5% cement with the cpa by weight of dry soil. The predominance of desirable ions in the exchange complex brings about good physical cations and favorably influences the microbial activities in the soil, such as ammonification nitrification, etc. The natural soil sample was gotten from the federal university of technology, akure futa, nigeria, and were subjected to preliminary soil tests such as. Assessment of the geotechnical properties of lateritic soils in minna, north central nigeria for road design and construction article pdf available may 2015 with 3,423 reads how we measure. This book presents the latest information on the laterite soils geotechnical characteristics and engineering behavior. Reforestation have been made on different types of soil including laterites and lateritic soils in myanmar. Engineering behavior and classification of lateritic soils in. Townsend, 1985 evaluated lateritic soils for the purpose of engineering and stated that the iron oxide present in these soils is considered to play a key role in. Engineering properties of a lateritic soil profile 49 field study geology, topography, climate and vegetation in the area studied the area studied was at victoria point, located in the coastal region of southeast queensland, australia longitude 1539e, latitude 274s, about 30 km south east of brisbane, the capital of queensland. Elaborate studies have not been conducted so far regarding the effective utilization of this waste material. Pdf lateritic soils that overburden mohammad buhari estate in abeokuta area of ogun state, nigeria is in great use for road construction. Properties of a lateritic red soil for pollutant containment 925 on the dry side, even for the clayey soils 3,14.
Soil properties govern what type of plants grow in a soil or what. Laterite soil engineering is one of a few books about solving engineering problems with the help of engineering pedology. The geotechnical properties of lateritic and non lateritic soils of southeastern nigeria and their evaluation for road construction. Adt4 termite reworked soil sample 4 adl1 lateritic soil sample 1 adl2 lateritic soil sample 2 4. Research article nature and properties of lateritic soils derived from different parent materials in taiwan tzuhsingko department of tourism aairs, tzu hui institute of technology, sanmin road, nanjou township, pingtung county, taiwan. Geotechnical properties of lateritic overburden materials on the. Laterite, soil layer that is rich in iron oxide and derived from a wide variety of rocks weathering under strongly oxidizing and leaching conditions. Soil type laterite soil lateritic soil nonlateritic soil s1o2r2o3 1. A slight deviation in the dry unit weight causes significant changes in resistance, deformability and permeability 4,14. Geotechnical properties of termitereworked lateritic soil. Preliminary tests were carried out on the natural soil sample for identification and classification purposes, while consistency limits tests were. Study on the physical and chemical properties of some.
Moreover, the presence of iron in laterite soils is one of the most important factors that influence their engineering properties. Abstract this paper investigated the geotechnical properties of lateritic soil stabilized with banana leaves ash. Properties of soil introduction soils have many different properties, including texture, structure or architecture, waterholding capacity and ph whether the soils are acid or alkaline. The areas will be divided into five zone viz adopoly,adoikere, adohousing, adoilawe and adoadebayo respectively for the sampling process. Geotechnical properties of lateritic soil stabilized with. Engineering properties of a lateritic soil profile. The study was to determine the effect of bulk density at every condition of soil use in the study location. The particle size distribution can vary from very fine to gravel with respect to its origin, thus it impacts greatly geotechnical properties 1. Geotechnical properties of lateritic soil from nimo and.
Geochemistry and geotechnical analysis of lateritic soils. On the uplands, the red soils are poor, gravelly, and porous. Basic engineering properties of lateritic soils found in nejo. The natural moisture content was determined and the other soil was airdried to carry the other laboratory tests such as. Pdf lateritic soils at the dall quarry in ilorin metropolis sango area, southwestern nigeria were investigated with respect to their geotechnical. Lateritic bauxite is a weathering product of aluminous silicate rocks granite and similar. The engineering properties of lateritic soils in ado ekiti area of ekiti state, nigeria were evaluated. Stabilization, according to ogundipe 20, is the process of blending and mixing materials with a soil to improve certain properties of the soil. Nature and properties of lateritic soils derived from. Engineering properties of laterites obtained in ede. The plasticity index and omc of the stabilized soil increased as the corncob ash content increased.
Jan 23, 2016 red soils red soils along with its minor groups form the largest soil group of india. Physical properties of rocks are used to identify the type of rocks and to discover more about them. Lateritic soils abound in virtually all parts of the. Assessment of the geotechnical properties of lateritic soils. Loupi and pingchen soils would be the older lateritic soils because of the lower active iron ratio. Investigation of geotechnical properties of lateritic soil. Laterite is a soil and rock type rich in iron and aluminium and is commonly considered to have formed in hot and wet tropical areas. It is therefore imperative to investigate these properties for proper design, construction and to prevent road failure. Assessment of the geotechnical properties of lateritic. Consolidation properties of compacted lateritic soil stabilized with tyre ash afolagboye olatayo lekan and talabi abel ojo department of geology, faculty of science, ekiti state university, adoekiti, nigeria. Characteristics of red soils the texture of these soils can vary from sand to clay, the majority being loams.
Effects of guinea corn husk ash and lime mixtures on. Article history abstract received 05 september, 20 received in revised form 02 october, 20 accepted 14 october, 20 key words. Xray diffraction xrd method is suitable for identifying and quantifying the clay minerals present in a lateritic soil. Basic engineering properties of lateritic soils found in. Based on the analyses, the tungwei soil is an alfisol, whereas other lateritic soils are ultisol. Lateritic soil representative soil sample used for this experimental study was lateritic soil, which is generally observed soil type. These properties can be evaluated by correct laboratory or insitu tests.
Geochemistry and geotechnical analysis of lateritic soils in. However, little is known of their geotechnical properties and. Compaction properties of lateritic soils compaction properties of lateritic soils compaction properties of lateritic soils compaction properties of lateritic soils. Therefore, engineering index properties of laterites and lateritic soils. Important properties of clay content of lateritic soils for. Physical and chemical properties of soil biology discussion. Pdf compaction properties of lateritic soils compaction. Thirty lateritic soils samples were collected at six major zone within the metropolis of adoekiti. Pdf geotechnical properties of lateritic soil as subgrade. This study assesses the geotechnical properties of lateritic soil stabilized with the ashes of oil palm fronds. Engineering behavior and classification of lateritic soils.
Classification and compaction characteristics of lateritic. Characterisation of index properties of lateritic soils in ado ekiti south western, nigeria. The performance of lateritic soils as foundations for structure is varied and appears to depend upon the nature of the soil, the degree of the weathering, topography. Investigation of the index properties of lateritic soil.
Preliminary test was performed on the unstabilized lateritic soil for the purposes of identification and classification natural moisture content, liquid limits, plastic limits, and plasticity index. These properties are then compared with those of the same soil stabilized with cement to determine how well the ashes perform since cement is considered to be the best stabilizer. Failure of lateritic roads in nigeria and other developing countries has stressed the need for detailed geotechnical evaluation of lateritic soil prior its use in road construction in order to choose appropriate soil materials for the pavement structure. The geotechnical properties of lateritic and nonlateritic soils of. Pdf engineering properties of lateritic soils around dall quarry in. Engineering properties of lateritic soils in adoekiti, south western. Fish 23 and gidigasu 26 made attempts to use pedalogical classi. Cassava peel ash cpa on the index and structural properties of lateritic soil of a75 aashto classification and sp soil uscs classification respectively. Basic engineering geological properties of lateritic soils from western niger delta. Chemical processes such as mixing with cement, fly ash, lime, lime byproducts and blends of any one of these materials can be used to alter soil properties such as. Preliminary tests were carried out on the natural soil sample for identification and classification purposes, while consistency limits tests were thereafter carried out as well. Evaluation of the structural performance of lateritic soil. Since the physical and chemical properties of soils play a major role in suitable site selection, soil samples from laterite some lateritic area in lower myanmar, are evaluated with the main objectives of assessing the site for reforestation. For soils to be fit in civil engineering projects, they must meet obtainable local requirements for index properties in addition to certain strength criteria.
Variability in the geotechnical properties of a lateritic. Xray diffraction analyses showed that the soil comprised kaolinite, quartz, gibbsite and haematite. Lateritic soil almost lacks fertility and is generally not suitable for agriculture. The geotechnical properties of lateritic soils and their suitability for road construction have been evaluated for selected sites in minna, northcentral nigeria. Consolidation properties of compacted lateritic soil. Four bulk soil samples of lateritic soil from the subgrade of the stable flexible highway pavement at awosun village, near ileife, nigeria, were investigated to determine the variation in geotechnical properties within a horizontal distance of 39 m. Engineering properties of lateritic soils in adoekiti. The present investigation deals with the effect of fly ash and coir fiber on the engineering properties of lateritic soil. Volume 5, issue 12, june 2016 determining properties of. Fine lateritic soil found in the construction site a mixture of the same fine soil with 2% by wt of lime chiaiming to study the effects of chemical stabilization fine lateritic soil waterproofed with a geotextile layer impregnated with bituminous materialseeking to protect the base against the action of the water.
Revised version manuscript received on october 31, 2017. Properties of a lateritic red soil for pollutant containment. Several soil scientists have shown that the capacity of soil to exchange cations is the best index of soil fertility. This will subsequently consolidate the data requirement for a webnigerian soils as proposed by okunade 2010. Chemical stabilization of laterite soils for road construction. This study assesses the geotechnical properties of lateritic soil stabilized with groundnut husk ash. Nearly all laterites are of rustyred coloration, because of high iron oxide content. They are also constituted of mixtures of crystalline. The study of the state and transport of all form of matter and energy in soils j why study soil physics atmosphere root zone soil. There are various physical properties of laterite like hardness, grain size, fracture, streak, porosity, luster, strength etc which defines it. The suitability of these soils for earthworks construction works depends on their classification and compaction characteristics. Therefore, in order to better understand the detailed information of lateritic soils, the main objectives of this study were to investigate the properties of lateritic soils derived from different parent materials, including shale stone, basalt, diluvium, and andesite, and to provide basic information about lateritic soils for agricultural development. Sep 25, 2019 laterite and lateritic soils the term laterite was originally used by buchanan 1807 for the highly ferruginous, vesicular and unstratified material observed in the malabar hills of south india.
It is widely used to produce earth blocks, but stabilization is essential for the lateritic soil block to enhance its properties. Laterite is a highly weathered material, rich in secondary oxides of iron, aluminum, or both. Soil physics soil texture soil surface area soil structure volume and mass relationships water content measurements units soil physics. Corncob ash was applied to the soil in increments of 1. The classification properties and composition of a lateritic soil, developed on tertiary basalt in coastal southeast queensland, australia, have been investigated. Article history abstract received 05 september, 20.
The main parent rocks are crystalline and metamorphic rocks like acid granites, gneisses and quartzites. Nowadays, soils such as, soft clays and organic soils be can improved to civil the engineering requirements. Pdf assessment of the geotechnical properties of lateritic. Suitability of lateritic soils from garoua north cameroon. Pdf geotechnical properties of lateritic soil stabilized. This study investigates the geotechnical properties of lateritic soils from nimo and nteje areas of anambra state, southeastern nigeria. A better understanding of these properties will enhance the usage of the material in geotechnical engineering works in places where they are abundant. Pdf engineering properties of lateritic soils from anambra central. Abstractthe determination of the influence of activitie. The approach used in this study is that of artificial contamination of the soil with spent engine oil in the laboratory in agreement with other researchers 7, 9, 10 which is a limitation to this study. Engineering properties of lateritic soils in adoekiti, south. Variability in some geotechnical properties of three. Important properties of clay content of lateritic soils.
Many authors have worked on geotechnical properties of lateritic soil in nigeria. The soils within the entire length of the port harcourt enugu expressway consist ofi concretionary laterite gravels 2 nonlateritic tropical sandyclayey soils. The feature of a flexible pavement depends on the strength of its subgrade. The engineering tests were conducted on the lateritic soil stabilized with. Characterisation of index properties of lateritic soils in.
Effect of corncob ash on the geotechnical properties of. The geochemistry and geotechnical compaction properties of the lateritic soils have also been studied with a view of classifying the soil into lateritic and non lateritic soils, and determining the optimum moisture contents omc and maximum dry densities. The california bearing ratio and uniaxial compressive strength were found to vary significantly over this short length. Research article nature and properties of lateritic soils. Hence, there are no available data on the geotechnical and engineering properties of lateritic soil in the study area, therefore, the aim of this investigation is to obtain geotechnical characteristicsof lateritic soil in the study area to assess it. Jarofix is the waste material from zincproducing industries and has become a critical environmental hazard due to dumping over a large area near the industries. Pdf this study assesses the geotechnical properties of lateritic soil stabilized with the ashes of oil palm fronds.
In bid to improve the engineering properties of soil to make it suitable for building construction, several researches on soils stabilization have been carried out. Geotechnical characterization of samples of three lateritic sub base soils along ibadan oyo highway was executed to establish the variability in properties of the soils. Transport geotechnical properties of lateritic soil. Laterite soils which are widespread in tropical areas of india possess unique color and it normally contains high clay content along with inert particles such as silt and sand 1.
Laterite may occur as surface deposits of unhardened clayey soils, gravels and as hard span 5. Engineering evaluation of lateritic soils of failed. Pdf determining properties of lateritic soil using fly. The physical and engineering properties of lateritic soils have been found to depend on their textural characteristics. The present paper deals with the effect of jarofix and lime on the transport geotechnical properties of lateritic soil. Soil type laterite soil lateritic soil non lateritic soil s1o2r2o3 1. It forms in tropical and subtropical regions where the climate is humid. Lateritic soils that overburden mohammad buhari estate in abeokuta area of ogun state, nigeria is in great use for road construction. Basic engineering geological properties of lateritic soils from. Geotechnical properties of lateritic soil as subgrade and base material for road construction in abeokuta, southwest nigeria. Therefore, in order to better understand the detailed information of lateritic soils, the main objectives of this study were to investigate the properties of lateritic soils derived from different parent materials, including shale stone, basalt, diluvium, and andesite, and to provide basic information about lateritic soils for agricultural. The reason for this failure is the variation in plas ticity and gradation characteristics of these soils resulting from sample preparation and handling which disrupt the natural structure of the soils. These properties combine to make soils useful for a wide range of purposes. The aim of this research is to evaluate the index properties of lateritic soils in ado ekiti area of ekiti state, nigeria.
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