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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.
How does the knife edge load simulate the existing condition of the bridge structure?
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Your home mortgage is $300,000 for 30 years with a nominal annual rate of 7%. The monthly payment is most nearly: Solution: n = 360 months interest = 7%-annual ÷ 12-months/year
Ductile iron pipes vs. mild steel pipes as pressurized pipelines For water main pipe size less than 600mm, ductile iron is generally used since internal welding for steel pipe
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if the WBM Road is constructed with 80mm , 40mm metal what will be the depreciation factor per year, how much thickness of the layer will be reduced per year due to trafic and rai
The transmission main from the well field to the community is 2500 ft, the velocity of flow at peak pumping capacity is 3.5 fps, water temperature is 10oC, and pH is 7.5. If free c
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what is vertical deflection of a beam, a conservative structure and of what use is castigliano theoremn
Type of coating and coating to reinforcement
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