BASIC CIVIL ENGINEERS NOTES

                               BASIC KNOWLEDGE FOR CIVIL ENGINEERS

• Local sand FM limit should be 0.5 to 0.8
• Soak sand FM limit should be 1.2 to 1.8
• Coarse sand or shyest sand FM should be 2.5
• At improved sub grade 0.5 to 0.8 FM sand should be used

     Volume of per bag cement       = 1.25 cubic ft
     Weight of per bag cement         =  50 kg or 112pb
     water adsorb of a brick if the brick take rest for 24 hours in under
     neath the water     =  1/5 or 1/6 of the brick wt.
     Measurement of a brick  =   9.5in*4.5in*2.75in (without mortar)
                                               10in**3in (with mortar) 
    Weight of a first class brick   =  3.85 kg
     Crushing strength of a first class brick i per square i    = not less than 1000 pound
    Tensile strength of a first class  brick in per square in  =   not less than 3000 pound.

                    Important terms for building design

1. Lintel thickness should be 15 cm
2. parapet wall height should be 1 m
3. Window height should be 120 cm
4. D.P.C thickness should be 2.5 cm
5. Plinth height should be 45 cm
6. Measurement of riser should be 15 cm
7. Building height should be 315 cm
8. Plaster thickness at ceiling should be 6 mm