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Q. Illustrate Bituminous surfacing over concrete structures?
Usage of bituminous surfacing over concrete structures (for instance existing concrete roads) is widespread to improve the skid-resistance and general appearance of roads on one hand and to avoid the pre-mature failure of concrete surface by frost spalling in cold countries instead.
In designing the bituminous surfacing over concrete, there are numerous areas to which engineers must pay attention. Firstly laying of thin bituminous material over the joints or existing cracks of concrete structure will cause reflective cracking because the thermal movement of concrete persuades swift formation of cracks in bituminous surfacing. Past research confirmed that with the adoption of minimum thickness of 100mm bituminous surfacing the occurrence of reflective cracks would be delayed when compared with the usage of thinner surfacing. Secondly sufficient adhesion amid concrete and bituminous surfacing has to be achieved. So it's suggested to apply a layer of tack coat on the concrete surface to promotebonding.
define alternative depths
Level 2 Acceptance Testing : This will also include the same tests as in Level 1 A. General inspection B. Test on specially moulded test piece C. Test on complete bearings
Explain the Confined Aquifer and Piezometric Surface Confined Aquifer Groundwater is confined by impervious geologic stratums on all sides. The water may be under pressure.
advantages and disadvantages of chemical prestressing over conventional prestressing?
This is our final year project can u suggest some tips to do well...
design a 3-meter cantilever slab to carry a uniform total dead load of 8.2KN/m^2 and a concentrated live load at the free end of 30 KN/m. f''c=28Mpa fy=420Mpa.
Q. There is a colony having 15 blocks of Type - II quarters, each block having 8 quarters. Make out a diagram of distribution pipelines from an overhead tank and up to the quarters
A box caisson, 10 m high, is 18 m × 9 m at the base. The weight of the caisson is 9 MN and its centre of gravity is 4.2 m above the base. Check whether the Caisson is stable. If
describe details about stairs and its type also draw sketch?
Q. For what capacity would you design a sanitary branch sewer to serve a section having a population of 12500 persons with a rate of supply of 135 Liters. Ans.- Average flow
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