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Q. Asphalt mix design - durability vs. stability?
The main aim of asphalt mix design is to achieve a mix with economical blending of aggregates with asphalt to achieve the following:
(i) Workability to facilitate easy placement of bituminous materials without experiencing segregation;
(ii) Sufficient stability so that under traffic loads the pavement won't undergo distortion and displacement
(iii) Durability by having sufficient asphalt
(iv) Sufficient air voids
In asphalt mix design, high durability is generally attained at the expense of low stability. Therefore a balance has to be stricken between durability and stability requirements.
Method to calculate the loss of prestress When the consider creep in regard to loss of prestress, we have to see that the prestressed member is under compressive stresses due
HSC approved codes of pratice
brief detail about ships stresses
M/i=e/r=f/y
A wall with a smooth vertical back and 9 metres high retains a moist cohesionless soil with a horizontal surface. The soil weighs 15 kN/m3 and has an angle of internal friction of
Dock Wall and Dry Dock: Dock Wall Figure gives the diagram of a dock wall. Figure: Mass Concrete Dock Wall Dry Dock Figure 9 gives the details
plz tell me the ratio of sand,aggregate,and asphalt.pl tell me the mm of aggregate
Question What is meaning of washers while using bolts? Answer Purpose of installing washers in a classic bolting system is to distribute loads under bolt heads and nu
Q. Diffrence between Rowe cell and Oedometer apparatus? The benefits of using Rowe cell over oedometer apparatus are: (i) It possesses control facilities for drainage and
Define Masonry substructure- underwater inspection of bridge? In early days, masonry, particularly stone masonry was extensively used for bridge piers and abutments. Typically,
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