Results 261 to 270 of about 44,041 (310)

Leaching of Lime from Fly Ash Stabilized with Lime and Gypsum

Journal of Materials in Civil Engineering, 2006
Stabilization of fly ash is one of the promising methods to transform the waste material into a safe construction material. The longevity of lime-stabilized fly ash is related to the amount of lime that remains in the matrix after leaching. This paper presents leaching test results of a class F low lime fly ash stabilized with varying percentages of ...
Ambarish Ghosh, Chillara Subbarao
openaire   +1 more source

Lime-stabilized and chemically-fixed sewage sludges as lime amendments

Bioresource Technology, 1991
Lime-stabilized (LS) and chemically-fixed (CF) sewage sludges have been inadequately evaluated for utilization as amendments to acid soils. A greenhouse study was conducted to determine the effect of these sludges on the growth and chemical composition of corn (Zea mays L.) grown on acid soils. The CaCO3 equivalent of the lime-stabilized and chemically-
D.A. Little, R.B. Reneau, D.C. Martens
openaire   +1 more source

Seismic Modulus Maturity Function for Lime and Lime–Cement Stabilized Clay

Journal of Materials in Civil Engineering, 2016
AbstractStabilization via lime and/or cement is commonly used to improve poor subgrade soil. The key design parameters for lime stabilized soils and lime–cement stabilized soils (LSS/L-CSS) are strength and stiffness, the growth of which are dependent on both time and temperature. It is generally understood that increased curing temperature will result
R. G. Bearce, M. A. Mooney
openaire   +1 more source

Subsurface Liming and Metal Movement in Soils Amended with Lime‐Stabilized Biosolids

Journal of Environmental Quality, 1997
AbstractSamples to a depth of 1 m were taken from two long‐term biosolids field studies, to examine metal and alkalinity movement. The studies, located at the University of Maryland research facility in Beltsville, MD, had received biosolids in 1976 to 1978. One study, on a Christiana fine sandy loam (clayey, kaolinitic, mesic Typic Paleuduit) had used
Sally Brown, Rufus Chaney, J. S. Angle
openaire   +1 more source

Lime Stabilization of Sewage Sludges

1983
To prevent odors from putrescible sludges and health hazardous gas problems,lime stabilization has often been favoured at several treatment plants. It is recognized that chemical stabilization with lime does not reduce the organic material in the sludge or result in its permanent stabilization.
openaire   +1 more source

Stabilization of Soil with Lime Columns

1991
The behavior of very soft clay or silt can be improved with lime or cement columns. In this soil stabilization method, the soft soil is mixed in situ either with unslaked lime (CaO) or with cement using a tool shaped like a giant dough mixer, as illustrated in Figure 24.1.
openaire   +1 more source

Evaluation of Quick Test for Lime Stabilization

Journal of the Soil Mechanics and Foundations Division, 1970
The basic objectives of lime-soil mixture design are: (1) Establish an appropriate lime content for construction; and (2) evaluate the properties of the mixture.
Marshall R. Thompson, James L. Eades
openaire   +1 more source

Land application of lime stabilized septage

Journal of Environmental Science and Health . Part A: Environmental Science and Engineering and Toxicology, 1992
Abstract Lime stabilized septage was applied to an Evesboro loamy sand soil at rates of 66,300 and 747,000 L/ha. Corn was grown on half of the plots and the other half of the plots were left fallow. Corn yields varied from 2030 to 3550 kg/ha. Ground‐water monitoring data indicates the septage did not cause nitrate or bacteria contamination.
W. F. Ritter, J. G. McDermott, A. E. H. Chirnside, R. W. Scarborough   +3 more
openaire   +1 more source

Lime, cement, and lime-cement stabilization of a clay soil

2020
The main purpose behind this thesis was to study the variations of strength in a soil after it had been stabilized with various percentages of lime, cement, and combinations of the two. In both cases where the additives were added separately to the soil, the percentages used were 5 and 10 per cent by dry weight of soil.
openaire   +1 more source

Lime Stabilization of Wastewater Sludges

1987
The standard lime stabilization process and two process modifications are effective procedures for reducing fecal streptococcus concentrations (disinfection) in wastewater sludges. Depending on the process modification, fecal streptococcus concentrations in treated sludges ranged from a 7-log decrease to a 3-log increase over seven days. Three to seven
openaire   +1 more source