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Quality Control in Flexible Pavements:
The quality control needed for Flexible Pavements covers the following tests :
(a) Density and Moisture content of sub-grade.
(b) Strength, shape, stripping tests for aggregates.
(c) Strict control over temperature of bitumen, mix.
(d) Amount of binder sprayed in prime coat, tack coat and surface dressing.
(e) Quantity of aggregates spread in surface dressing.
(f) Density and thickness of bituminous macadam, dense bituminous macadam, bituminous concrete and semi dense bituminous carpet.
(g) Marshall Stability values of BC, DBM and SDBC. (h) Profile and longitudinal levels.
Topographical Survey and Preparation of Drawings: Topographical Survey for a road project consists of three sequential stages: (a) Reconnaissance Survey, including a study
The objective of this module is:- - For the student to identify the track design issues and there relationships that will need to be considered in the development of a feasibili
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Moisture-Density Relationship: Since various compactive efforts result in varying degrees of compaction, it is necessary to standardize the compactive effort. The most well-kn
Multi Speed Restriction (i.e. existence of two or more than two speed restrictions in continuation) When work of deep screening or sleeper renewal is in progress, there is situ
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Geometric Design Of Roads: Geometric design of roads deals with elements such as cross-section, horizontal and vertical alignment, sight distances, lateral and vertical cleara
Ask question Design the pavement by group index method for heavy traffic using following subgrade data Soil passing 75micron sieve =65%,liquid limit =40%plastic limit =20% #Min
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A soft, normally consolidated clay layer is 18 m thick. The natural water content is 45%. The saturated unit weight is 18 kN/m 3 ; the grain specific gravity is 2.70 and the liqui
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