00471839

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http://onlinepubs.trb.org...trr/1986/1089/1089-012.pdf

https://scholar.google.co...ERTS&publication_year=1986

In 1938 the Oklahoma Department investigated the use of cement-modified subgrades by constructing 7 mi of test sections on US-62. Much of the subgrade consisted of expansive clay. A total of 38 test sections with 11 different cement contents was used to modify the subgrade soils. Cement contents varied from 4 to 6 percent by volume with an average cement content of 6 percent. A the time of construction the plasticity index of the subgrade was reduced from an average of 29 to 13 through cement modification. In 1983 an investigative program was conducted to determine the plasticity characteristics of the cement-modified subgrade following 45 years of service. Samples were obtained from each of the 11 different cement-content sections. The plasticity indexes ranged from nonplastic to a maximum of 13 with an average of 6. Results from these tests show that the effectiveness of cement modification of the fine-grained soils was permanent. Information on the original cement-modification work is presented and the 1983 investigation program is described in detail.

Publication of this paper sponsored by Committee on Soil-Portland Cement Stabilization.Distribution, posting, or copying of this PDF is strictly prohibited without written permission of the Transportation Research Board of the National Academy of Sciences. Unless otherwise indicated, all materials in this PDF are copyrighted by the National Academy of Sciences. Copyright © National Academy of Sciences. All rights reserved

01418818

pp 81-86

1986

Transportation Research Record

0309041090

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Figures (1) ; Photos (2) ; References (1) ; Tables (3)

Cement content; Cement treated soils; Plasticity index; Soil cement; Subgrade (Pavements); Swelling soils

Geotechnology; Highways; I42: Soil Mechanics

TRIS, TRB

Jul 31 1988 12:00AM

• ANALYSIS OF SLOPE FAILURE IN OVERCONSOLIDATED FISSURED RESIDUAL SOILS: A CASE STUDY
• COMPRESSIBILITY OF COMPACTED FILLS EVALUATED BY THE DILATOMETER
• CONSTRUCTION METHODS TO CONTROL EXPANSIVE SOILS IN SOUTH DAKOTA
• CONTROL OF FROST PENETRATION IN ROAD SHOULDERS WITH INSULATION BOARDS
• DEFORMATION ANALYSES OF FLORIDA HIGHWAY SUBGRADE SAND SUBJECTED TO REPEATED LOAD TRIAXIAL TESTS
• DETERMINATION OF THE CRITICAL THAW-WEAKENED PERIOD IN ASPHALT PAVEMENT STRUCTURES
• DRAINED-STRENGTH PARAMETERS FROM DIRECT SHEAR TESTS FOR SLOPE STABILITY ANALYSES IN OVERCONSOLIDATED FISSURED RESIDUAL SOILS
• DYNAMIC COMPACTION OF LOOSE AND HYDROCOMPACTIBLE SOILS ON INTERSTATE 90, WHITEHALL-CARDWELL, MONTANA
• EXPERIMENTAL ASPECTS OF MERCURY INTRUSION POROSIMETRY
• FACTORS IMPORTANT TO THE DEVELOPMENT OF FROST HEAVE SUSCEPTIBILITY CRITERIA FOR COARSE-GRAINED SOILS
• FLEXURAL FATIGUE STRENGTH OF LIME-LATERITE SOIL MIXTURES
• FROST ACTION PREDICTIVE TECHNIQUES: AN OVERVIEW OF RESEARCH RESULTS
• GENESIS AND DISTRIBUTION OF COLLUVIUM IN BUFFALO CREEK AREA, MARION COUNTY, WEST VIRGINIA
• LOCATING SUBSURFACE GRAVEL WITH THERMAL IMAGERY: PRELIMINARY RESULTS
• MEASUREMENT OF PORE-SIZE DENSITY FUNCTION IN SAND
• PHYSICAL PROPERTIES OF SOUTHEASTERN WASHINGTON LOESS RELATED TO CUT SLOPE DESIGN
• SATURATION EFFECTS ON CALCAREOUS DESERT SANDS
• THE PRESSUREMETER IN GEOTECHNICAL PRACTICE
• THE SHERMAN LANDSLIDE: A CASE HISTORY
• USE OF ROTATIONAL EROSION DEVICE ON COHESIVE SOILS