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Determine about the post-tensioned concrete
The transfer stage may take place after a long time from the casting of concrete, in the case of post-tensioned,members, enabling the concrete to achieve a very high strength. This is the reasoA that IS :1343-1980 specifies a larger minimum concrete grade of M 40 (a concrete mix whose 15 cm cubes achieve a compressive strength of 40 N/mm2 after 28 days of curing in water under specified conditions of temperature) compared to M 30 grade of concrete in the case of post-tensioned concrete members.
Determine the loss of fluid energy as 310 gallons per minute (gpm) of water flows through 1,000 ft of 4 inch, schedule-40 welded and seamless steel pipe. The fluid temperature is 5
Q. Calculation of crack widths arising from thermal movement In the calculation of thermal movement, the below formula is used in most codes: w max =s x a x (T 1 +T 2 )/2
Define the Spalling - underwater inspection of bridge? A spall is a roughly circular or oval depression in the concrete. Corroding reinforcement can cause spalls and reinforcin
Question During piling works, normally founding levels of bored piles are definite by using total core recovery or rock quality designation (RQD). Are there any problems by
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
The ferromagnetic materials loos property at which point? Answer: At Curie point it loos property
Define NPDES Sampling Requirements? The sampling needs under NPDES are given at 40 CFR Part 122, as part of the needs for applying for an NPDES discharge allow. The needs are b
An oven-dry soil sample of volume 225 cm3 weighs 3.90 N. If the grain specific gravity is 2.72, determine the void-ratio and shrinkage limit. What will be the water content which w
Define the Hazard Ranking system (HRS) - A procedure for ranking uncontrolled hazardous waste sites in terms of the potential threat based upon the containment of the route of
The local survey crew measures a distance of 1,135 ft of new drainage pipe that is required for the new road construction. The beginning point for the drainage is located at statio
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