Proceeding of the 5th international conference on soil mechanics and foundation engineering, paris, 1. Developments in geotechnical engineering, pedogenesis and engineering principles, by m. Classification and compaction characteristics of lateritic soils of warri, delta state, nigeria avwenagha e. Material and methods the material used in this study is.
Lateritic soil is one of the most important and common materials used in earth work engineering construction in the it is in abundance. An investigation of the peculiar characteristics of. Nearly all laterites are of rustyred coloration, because of. Gidigasu 2000, suggested that any soil with linear shrinkage below d compaction problem. Developments in geotechnical engineering, pedogenesis and.
Tropical weathering laterization is a prolonged process of chemical weathering which produces. Lateritic soils usually develop in tropical and other regions with similar hot and humid climate, where heavy rainfall, warm temperature and well drainage lead to the formation of thick. The classification properties and composition of a lateritic soil, developed on tertiary basalt in coastal southeast queensland, australia, have been investigated. Gidigasu, building and road research institute, kumasi, ghana. Gidigasu is the author of laterite soil engineering, volume 9 3. Laterite soil engineering technology engineering nonfiction. Pdf use of laterite as a sustainable building material. This research was carried out in an attempt to know the physical properties of laterite soil with the appearance of difference percentage of sodium bentonite. Prediction of compression index for lateritic soil using.
After a brief introductory discussion on the suitability of various classification systems of lateritic soils for engineering purposes, some geotechnical properties of nigerian laterites are summarized. This book presents the latest information on the laterite soils geotechnical characteristics and engineering behavior. Laterite and lateritic soils in sierra leone the journal. Geochemistry and geotechnical analysis of lateritic soils. Settlement predictions in complex sabkha soil profiles. However, considerable progress has been made in the identification and classification of laterite soils for engineering purposes 118, 120, and it is now possible to predict. Lateritic soils in environmental management in nigeria. The peculiar problems of these soils have been identified as thermal and mechanical instabilities i. International journal of soft computing and engineering. Problem laterite soils are those that do not yield reproducible results using standard laboratory testing procedures. Review of specifications for the use of laterite in road pavements contract. From this point of view, the soil engineer is mainly interested in the engineering behavior of soils as foundation and construction material, and he needs a kind of classification system that would establish bounda ries between differently behaving soils on the basis of soil properties which can be easily measured. The study revealed that hno 3 is found to be the best medium.
The principal aim of this paper is to produce an activated flyash mix, which in turn can provide a good amendment material for laterite 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. Effect of alternate wetting and drying on laterite and. Geotechnical investigation is one of the effective means of detecting and solving pre, syn and post constructional problems. Chemical stabilization of laterite soils for road construction. Effect on physical properties of laterite soil with. Mode of formation and geotechnical characteristics of laterite materials of ghana in relation to soilforming factors. The use of unified soil classification system by the bureau. Standard soil classification systems in laterite soil engineering.
This paper represents the enhancement of different nutrient content of a later ite soil using fly ash. Review of specifications for the use of laterite in road. Study of compressive strengths of lateritecement mixes as. Use of laterite as a sustainable building material in developing countries article pdf available in international journal of earth sciences and engineering 074. The geotechnical properties of lateritic soils and their suitability for road construction have been evaluated for selected sites in minna, northcentral nigeria. Classification and compaction characteristics of lateritic.
Laterite is a highly weathered material, rich in secondary oxides of iron, aluminum, or both. Engineering properties of a lateritic soil profile. It also showed that laterite soil can enhance some properties of concrete depending on the nature of the laterite and also blended material. Pdf the use of lateritic soils as a cover material in. This book presents the latest information on the laterite soils geotechnical characteristics and.
In the study attempt has being made to introduce raw fly ash to different laterite so ils samples in various mediums and to observe the chemical composition change in it. This inspiring laterite soil engineering, volume 9. Some geological and geotechnical properties of lateritic soils from. The rainfall extends throughout the year and with high intensity, and some locations are. One to bear in mind is that every book has their very own manufacturing. Laterite soil engineering m gidigasu ebok 9780444601230.
These values have been listed separately for soils orginating from the same kind of parent rock material. Pdf engineering properties of laterites obtained in ede. Soil with desirable engineering properties must be transported using large haulage vehicle. Investigation of the index properties of lateritic soil. Effect of alternate wetting and drying on laterite and their engineering behaviour hegde, r. Strength characteristics modeling of lateritic soils using. Pdf engineering properties of laterites obtained from four different pits in ede were evaluated to. Some laterite and lateritic soil base specifications in comparison with the. Xray diffraction analyses showed that the soil comprised kaolinite, quartz, gibbsite and haematite. The soils are difficult to evaluate as engineering construction materials. Bulletin of the international association of engineering geology 36. Engineering study of laterite soil in connection with construction of roads, highways and airfields. It shows that laterite soils are different from natural soils and that most laterite soils can be evaluated for engineering purposes using accepted. Soil type laterite soil lateritic soil nonlateritic soil si02al203 1.
Nearly all laterites are of rustyred coloration, because of high iron oxide content. However, laterite soil produced concrete that compares in strength with a normal concrete. The base of laterite, consists of a group of igneous and metamorphic rocks 15. 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. Before carrying out chemical analysis for complete definition of laterite, a soil may be suspected to be laterite by observing some of the physical properties. The reddish color becomes predominant when wet while the brown color becomes distinct when dry. Engineering behavior and classification of lateritic soils. Gidigasu author of laterite soil engineering, volume 9. Usually, laterite is reddish brown in color and gravelly in texture. However, a laterite soil can be a little high in permeability depending on the degree of weathering, the texture of the soil, and the initial void ratio gidigasu, 1976. Pdf geotechnical evaluation of some lateritic soils in akure south. Strength characteristics modeling of lateritic soils using adaptive neural networks strength characteristics modeling of lateritic soils using adaptive neural networks attohokine, n. Pdf this research project aims at evaluating the geotechnical.
Laterite soil engineering is one of a few books about solving engineering problems with the help of engineering pedology. Engineering properties of lateritic soils around dall quarry in sango area, ilorin, nigeria article pdf available may 2012 with 3, reads how we measure reads. They develop by intensive and prolonged weathering of the underlying parent rock. Developments in geotechnical engineering laterite soil. Significant geotechnical implications of the genesis if laterite soil pages 153169 download pdf. Read the latest chapters of developments in geotechnical engineering at. Cbr, compaction, geotechnical investigation, lateritic soils, residual soils. The success of all these construction depends on the soil quality of that area. Pdf engineering properties of lateritic soils around. This is followed by a description of the role that lateritic soils play in. Laterite is described as a product of insitu weathering in igneous, sedimentary, and metamorphic rocks commonly found under unsaturated conditions rhardjo, et al 2004. Engineering properties of laterites obtained in ede. Assessment of the geotechnical properties of lateritic. This acclaimed book by m gidigasu is available at in several formats for your ereader.
Chemical stabilization of laterite soils for road construction case study. The cost effectiveness of upgrading gravel roads to a sealed standard has challenged road authorities to make optimum use of naturally occurring materials such as laterites as subbase and base materials. Akpokodje, 1986 studied the geotechnical properties of nonlateritic and lateritic soils in the south. The behaviour of laterite materials in the roadway structure. Developments in geotechnical engineering, pedogenesis and engineering principles gidigasu, m.