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CEMENT
Cement is a normally used binding material in the construction. By burning a mixture of argillaceous (clay) and calcarious (calcium) material at a very high temperature, cement is obtained and then grinding the clinker so generate to a fine powder. It was first generated by a mason Joseph Aspdin in England in the year 1924. He patented it as Portland cement.
Types of Surveys and Investigations: For preparing a good road project, the following surveys and investigations are needed: (a) Traffic Surveys (b) Topogr
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
Explain Chlorine Residuals Free Chlorine Residuals: Cl 2 , HOCl, OCl- Combined Chlorine Residuals: Chloramines (mono, di and tri chloramines) The disinfecting ability o
Q. Computation of Settlement? The settlement in any soil mass under an applied stress is given by s = s i + s c + s s where, S = total settlement, S i = imm
what is the reciprocal ranging ? with neat sketch ?
precaution to be taken for roads construction in marshy land
Nonsymmetrical loading of the snow A decrease in snow weight in some parts of a roof because of the wind, or melting from the heath, or the sun light would reduce internal powe
Q. What do you mean by Laying of apron in design of bridge? Width of apron laid on river bed should be 1.5 D1 where D 1 is estimated scour depth in metres below river bed. Thi
what is the theary of reduced levelling
friction circle method of stability of slope
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