The empires of the future are the empires of the mind. Winston Churchill There is no failure except in no longer trying. Elbert Hubbard To love oneself is the beginning of a lifelong romance. Oscar Wilde Life always waits for some crisis to occur before revealing itself at its most brilliant. Paulo Coelho The actions … Read more
Information to be Supplied by The Producer Before supplying any concrete, the producer should provide the following information to the purchaser. Nature and source of each constituent material Source of supply of cement Proposed proportions or quantity of each constituent/m3 of fresh concrete If any admixture is to be used to produce concrete, then following … Read more
Information to be Supplied by the Purchaser It is recommended that a meeting must be held between the purchaser and the producer of concrete. In the meeting the following points should be discussed. Details of concrete mix Use of concrete Type of structure Performance requirement Notice to be given prior to delivery Delivery rate Purchaser’s … Read more
Storing of Cement on Site – Guidelines Store cement in a building which is dry, leak proof and as moisture proof as possible. There should be minimum number of windows in the storage building. Stack the cement bags off the floor on wooden planks in such a way, so that it is about 150 mm … Read more
What is Mortar? It is a plastic mixture of binding material (like cement, lime, etc), fine aggregates (like sand, surkhi, etc), water and any admixture approved by the engineer in-charge. This is used to bond masonry or structural units. There are different types of mortar used in construction industry. The following are the type of … Read more
Atterberg Limits of Soil The term Atterberg limits is named as per the Swedish agriculturist Albert Atterberg. When water is added into a soil mass, it changes its state from solid to liquid. He divided the entire range from solid to liquid into four stages: The solid state The semi-solid state The plastic state The … Read more
Footings can be of the following types. Spread or isolated or pad footing Strap footing Combined footing Strip or continuous footing Mat or raft footing What is Spread Footing or Isolated or Pad Footing? It is circular, square or rectangular slab of uniform thickness. Sometimes, it is stepped to spread the load over a larger … Read more
What is Presumptive Bearing Capacity? Building codes of various organizations in different countries gives the allowable bearing capacity that can be used for proportioning footing. These are called presumptive bearing capacity values. These values are based on experience with other structures already built. What are The Values of Presumptive Bearing Capacity? The table given below … Read more
What is Efflorescence on Plaster Surface? Efflorescence is one type of defect found on plaster surface. Efflorescence is the whitish crystalline substance which appears on the surface of walls due to presence of soluble salts, such as suphates of sodium, calcium and magnesium. Why Efflorescence Happens on Plaster Surface? Presence of salts in the lime, … Read more
He too serves a certain purpose who only stands and cheers. Henery Adams A shady business never yields a sunny life. B.C. Forbes The belly is the commanding part of the body. Homer One of the greatest pains to human nature is the pain of a new idea. Walter Bagehot Leave nothing for tomorrow which … Read more
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