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The first and foremost reason is leakages which are caused due to joints in the roof. If it is a sloping roof, then chances are there at the joints and junctions.
One of the reasons why roof tiles break is... (More)
Sugar is retarding agent.
Retarders are type of admixture that extend the hydration induction period, thereby increasing the setting times. Sugar is a carbohydrate, a substance composed of carbon, oxygen and hydrogen. It can be useful when concrete used in... (More)
Porotherm bricks are perforated clay brick. It is perforated horizontally or vertically.
Size: 400 x 200 x 200mm
It is a natural brick which has thermal insulation made from coal ash, natural clay and rice husk.
Following are some advantages... (More)
There are two types of pore water pressures in soil, positive and negative. Soil existing below the ground water table is saturated, and pressure in the pore is greater than atmospheric pressure and hence we have positive pore water pressure.... (More)
Gunia means simply a diagonal checking of the rectangular area.
GPS (Global Positioning System) and GLONASS (Global Navigation Satellite System) are two systems of satellites with the primary objective to provide an accurate positioning in terms of latitude, longitude and altitude to any reciever on the planet surface.
GPS is... (More)
Hi, I provided an answer for practical understanding. Make a hole in ground with shovel, take a sample of the soil digout,called as of disturbed soil sample. Let you are an geotechnical engineer studying soil for foundations of a building... (More)
Generally, Building collapsed due to following reasons:
Artificial reasons:
Truly speaking, weight batching is the best and accurate method for batching bcoz it gives accuracy, flexibility and simplicity. Various types of weight baching are used in mixing.
Advantagess
Why India lacks safety?
This is a big question to be questioned as far as safety is concerned. so I have put some reason of it.
In India the reasons for lack of safety in construction practices are due to... (More)
A good Portland slag cement should have the following properties
Floor area is a ratio of two area
Floor area = total floor area of all floor of building/total building plot area (land area)
FAR is restricted by local jurisdiction authority
If FAR is more that mean we can build... (More)
Production of white concrete with a compressive strength between 25 and 50 Mpa is possible by using white cement. It was also found out in study that white concrete had higher compressive strength than normal gray concrete. The strength in... (More)
Definition :
A temporary structure used to support the fresh concrete to give a certain shape and size.
As per the new edition of the American Concrete Institute standard specifications for structural concrete (ACI 301-96 has to redefine smooth... (More)
Strip Footing (Wall Footing) :-
Strip Footing is one type of shallow foundation, and it is used to transfer load-bearing structure weight to the ground evenly. It is used only when soil bearing capacity is good. The width of footing... (More)
Question is not specific and does not provide enough information about requirements
Type of foundation in the coastal area depends upon the type of sand, bearing capacity of the soil, it may be rocky or brittle stones nearby area.
Also... (More)
Column Formwork
Before erecting column formwork, make sure the steel is checked and ready for casting.
