Topic
Soil stabilization
About: Soil stabilization is a research topic. Over the lifetime, 3161 publications have been published within this topic receiving 48437 citations.
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TL;DR: In this article, the authors describe the application of phosphogypsum with cement and fly ash for soil stabilization, and show that the effect of these three by-products on the plasticity index of stabilized soil is significantly higher than the fly ash content.
270 citations
TL;DR: In this paper, it is known that organic matter may affect the cementing process in soils, but what happens when cement is added to an organic soil? Both the organic matter content and the nature of this orga...
Abstract: It is well known that organic matter may affect the cementing process in soils, but what happens when cement is added to an organic soil? Both the organic matter content and the nature of this orga...
259 citations
Book•
01 Mar 1995
TL;DR: In this article, the authors provide a reference on the state of the art in lime stabilization of subgrade soils, subbases and base courses used primarily in roadway and airfield construction.
Abstract: This handbook provides a reference on the state of the art in lime stabilization of subgrade soils, subbases and base courses used primarily in roadway and airfield construction. The handbook is designed to provide a comprehensive though not exhaustive reference on (1) mechanisms of reaction between lime and soil; (2) mixture design; (3) engineering properties derived as a result of lime stabilization of soils and aggregates; (4) pavement thickness design considerations; (5) construction and quality control considerations; and (6) life cycle cost considerations.
253 citations
TL;DR: In this article, three different types of soil have been considered using different percentage of fly ash ranging from 9 to 46% by weight of soil and the main objectives of the present investigation is to assess the usefulness of fly-ash as a soil admixture, and focused to improve the engineering properties of soil to make it capable of taking more load from the foundation structures.
250 citations
TL;DR: In this paper, the effectiveness of self-cementing fly ashes derived from combustion of sub- bituminous coal at electric power plants for stabilization of soft fine-grained soils was evaluated.
Abstract: The objective of this study was to evaluate the effectiveness of self-cementing fly ashes derived from combustion of sub- bituminous coal at electric power plants for stabilization of soft fine-grained soils. California bearing ratio CBR and resilient modulus Mr tests were conducted on mixtures prepared with seven soft fine-grained soils six inorganic soils and one organic soil and four fly ashes. The soils were selected to represent a relatively broad range of plasticity, with plasticity indices ranging between 15 and 38. Two of the fly ashes are high quality Class C ashes per ASTM C 618 that are normally used in Portland cement concrete. The other ashes are off-specification ashes, meaning they do not meet the Class C or Class F criteria in ASTM C 618. Tests were conducted on soils and soil-fly ash mixtures prepared at optimum water content a standardized condition, 7% wet of optimum water content representative of the typical in situ condition in Wisconsin, and 9-18% wet of optimum water content representative of a very wet in situ condition. Addition of fly ash resulted in appreciable increases in the CBR and Mr of the inorganic soils. For water contents 7% wet of optimum, CBRs of the soils alone ranged between 1 and 5. Addition of 10% fly ash resulted in CBRs ranging between 8 and 17 and 18% fly ash resulted in CBRs between 15 and 31. Similarly, Mr of the soil alone ranged between 3 and 15 MPa at 7% wet of optimum, whereas addition of 10% fly ash resulted in Mr between 12 and 60 MPa and 18% fly ash resulted in Mr between 51 and 106 MPa. In contrast, except for one fly ash, addition of fly ash generally had little effect on CBR or Mr of the organic soil.
239 citations