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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.
a street light is 15 ft directly above the curb. a 6 ft man starts 10 ft down the street from the light and walks directly across the street which is 10 ft wide. when he reaches th
Assessing Maintenance Needs: Maintenance needs can be assessed by a careful inspection of roads at regular intervals, observing defects such as : potholes cracks
Find the Cumulative Distribution Function: Find the cdf of Y = Z 2 where Z - N (0,l) Solution: F(y)= P(Y ≤ y) = p(z 2 ≤y) = P(-√y≤ √z≤√y) = ?(√y)- ?(-√y) = ?(√y)
actual meaning of it? Is it a unit to measure the functions of enviroment?
Explain the important factors affecting the design of pavement?
define principles of survey
Q.What Hydrographic data required for Design of bridge? (i) Design discharge for bridge waterway and foundation with corresponding high flood levels. Frequency curve for annual
Example of Bars of Varying Cross Section: In the numerical example under consideration δ = 750 × 300/( π/4) × 200 2 × 60 +750 × 400/(π/4) × 135 2 × 60 + 750 × 200/(π/4)
Determine the Steps for routine inspection? A routine inspection should normally include: - A Level I inspection on 100% of the underwater portion of the structure to determ
State the term- friction in tendon Considerable frictional loss takes place due to friction between the tendon and the material surrounding it, namely the concrete or the sheat
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