Fasi Ur Rahman - Answers
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What are the common Roof Types?
Fasi Ur Rahman
There are many types of roof differentiated based upon the size, shape and uses. Some of the types of roof are listed below, Gable Hip Mansard Gambrel Flat Skillion Jerkinhead Butterfly Bonnet Saltbox Sawtooth Curved Pyramid Dome Combination
There are many types of roof differentiated based upon the size, shape and uses. Some of the types of roof are listed below,
- Gable
- Hip
- Mansard
- Gambrel
- Flat
- Skillion
- Jerkinhead
- Butterfly
- Bonnet
- Saltbox
- Sawtooth
- Curved
- Pyramid
- Dome
- Combination
See lessWhat are Digital Elevation Models? What is the importance of a DEM in a GIS software ?
Fasi Ur Rahman
The digital elevation model in GIS software is the digital representation of surface elevation of a particular land with reference to the fixed datum or level. DEM represents the topographic surface which is used for extracting terrain parameters for geomorphology, modeling water flow for hydrology,Read more
The digital elevation model in GIS software is the digital representation of surface elevation of a particular land with reference to the fixed datum or level.
DEM represents the topographic surface which is used for extracting terrain parameters for geomorphology, modeling water flow for hydrology, or mass movement, and other levels related works.
See lessHow to Test Quality of Steel Reinforcement at Construction Site?
Fasi Ur Rahman
First of all, More than 21 popular brands of Steel available in India were tested as per IS codes by First Construction Council on the Infrastructure Quality, specially For India under GoI and State Government Missions. Only six brands of Steel passed the tests - SAIL, RINL, Tata, JSPL, JSW, and ElRead more
First of all, More than 21 popular brands of Steel available in India were tested as per IS codes by First Construction Council on the Infrastructure Quality, specially For India under GoI and State Government Missions. Only six brands of Steel passed the tests – SAIL, RINL, Tata, JSPL, JSW, and Electrotherm.
I have attached a Newspaper clipping for reference. If required, I can send you the test reports copy.
Secondly, the prominent tests on Steel are physical and chemical.
At the site, we can do some physical tests to ascertain some parameters of Steel, such as ductility, unit weight, and bending.
As per IS 1786, the unit weight of the different dia of the Steel is mentioned and its variation too. Using that data, you can check the weight of the Steel available at the site.
Further ductility, bend, and re-bend tests can also be carried out at the site. The procedure for the tests are mentioned in IS 1786.
Note: These tests carried out at the site cannot be considered as final. The tests must be carried by approved labs or institutes, and the reports given by them can be considered to gauge the quality of Steel.
See lessWhat is the Curing time for M25 Concrete with M sand?
Fasi Ur Rahman
Dear VSR, The best suitable grade of cement for structural members such as columns and pillar depends upon the design. Which type of cement is considered at the time of the design of these structural members? For general construction, it is recommended to use 43-grade cement as the 53-grade cement iRead more
Dear VSR,
The best suitable grade of cement for structural members such as columns and pillar depends upon the design. Which type of cement is considered at the time of the design of these structural members?
For general construction, it is recommended to use 43-grade cement as the 53-grade cement is used for fast-paced construction, rapid setting and it requires proper care while curing.
Grades of Ordinary Portland Cement-Based on IS Codes
Either you use natural sand or M-sand, there is no such difference in the strength of the concrete.
Lastly regarding the curing time, the curing period for any concrete member shall be 28days.
Curing of Cement Concrete – Time and Duration
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