Cement Treated Marginal Aggregates for Roads
Publication: Journal of Materials in Civil Engineering
Volume 11, Issue 3
Abstract
Low-grade laterite and pit-run gravel aggregates available in abundance in eastern India may be turned into a cost-effective base for low-volume roads when ordinary portland cement, river sand, and aggregates are mixed in a 1:6:12 proportion by weight. 152 × 152 × 152 mm3 cubes were cast at several water-cement ratios and the mix was compacted by a vibratory plate compactor. The compressive strength test was determined for different water-cement ratios, and the one that gave the maximum strength was used to prepare 102 × 102 × 508 mm3 beam specimens. A number of cubes and beams were kept inside airtight polyethylene bags for accelerated curing at a temperature of 50°C. Modulus of rupture and flexural fatigue tests were carried for the evaluation of pavement design parameters. A methodology of design of a lightly cemented pavement along with an example are also presented.
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Information & Authors
Information
Published In
Journal of Materials in Civil Engineering
Volume 11 • Issue 3 • August 1999
Pages: 257 - 265
History
Received: Mar 17, 1997
Published online: Aug 1, 1999
Published in print: Aug 1999
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