Sameer's Blog

As per IS Code – For 1 person daily 135 Litres of water is required per day Details of IS consideration  Drinking = 5 liters Cooking = 5 liters Washing cloth=30 liters Cleaning house=10 liters Bathing and Toilet=85 liters Water tank size and capacity calculation For a family of 4 persons. Total water requirement 135 x 4= 650 liters per day 1m^3 = 1000 litres  1 Liter = 1/1000 m^3 1 Litre = 0.001m^3 Our requirement is 650 Liters 650 x 0.001 m^3 Volume = 0.65m^3 Assume our water tank depth is 0.6 meters Area Calculation 0.65/0.6 = 1.083 m^2 So Length x Breadth = 1.083 m^2 Assuming Length=2 Breadth  2B x B = 1.083 B^2=1.083/2 B^2=0.54 B= √(0.54) B= 0.734m Hence L = 2B             L = 2 x 0.734              L = 1.47 meter For a 650 liter water tank Length = 1.47 Meter Breadth = 0.734 Meter Depth = 0.6 Meter

Here is a Pile cap design example is solved according to Indian code with step wise procedure. Problem Design pilecap foundation with the given data:  Load Fy = 800 KN, fc = 25 MPa, fy = 415 MPa, Column Dimension = 250 mm x 250 mm. Pedestal ht= 500 mm Pile Data- Dia of pile= 400 mm. Vertical capacity = 250 KN, Horizontal capacity = 100 KN Uplift capacity = 80 KN Solution depth of pilecap= 1.5xpiledia,  D = 600 mm Take D=650 mm c/c pile diatance = 3xpile dia =1200 mm.  Edge diatance = 350 mm Assuming 4 pile combination Pilecap dimension is 1900 mm x1900 mm x 650 mm Weight of footing = 1.9 x1.9 x 0.65 x 25 KN = 58.66 KN Weight of pedestal = 0.25 x 0.25 x 0.5 x 25 KN = 0.78 KN Therefore, total load on the pilecap = (800+58.66 +0.78) KN = 859.44 KN So Pile reaction = 859.44 /4= 214.86 < 250KN Hence OK As there is no lateral load , moment or uplift force, so each pile is sa