Challenge

To calculate the dead , live and wind load for RC residential structure and to apply them using TSD

  1. Calculate dead load in design report based on IS code and apply dead load on the model
  • Finishes of 50mm
  • Slab thickness as per the design
  • Brick wall load
  • Roofing load

DEAD LOAD CAALCULATION

A FINISHES

THICKNESS OF FINISHES = 50mm =0.05 M

UNIT WT OF FINISES =20 KN/M3

DEAD LOAD = 0.05*20= 1 KN/M2

B SLAB THICKNESS = 150mm =0.15M

UNIT WT OF SLAB =

DEAD LOAD =0.15*24 =3.6 KN/M2

C BRICKWALL LOAD

THICKNESS OF WALL = 225 MM= 0.225 M

FOOR EIGHT = 3 M

DENSITY OF BRICK = 18KN/M3

DEAD LOAD = 0.225*3*18 = 12.15 KN/M

D. ROOFIG LOAD

DEAD LOAD ON TE ROOF = 3.6 KN/M2

  1. Calculate live load in design report based on IS code and apply dead load on the model

CALCUATION OF LIVE LOAD AS PER IS 875 PART 2

BED ROOM = 2KN/M2

KITCHEN AND TOILET = 2KN/M2

STAIR CASE = 3 KN/M2

LOBBY AND CORRIDOR = 3 KN/M2

STORE ROOM = 5 KN/M2

CONFERENCE ROOM= 3 KN/M2

OFICE ROOM= 2.5 KN/M2

3 Generate manual wind loading in the design report based IS code as per the following input

  • Basic wind speed = 50m/s
  • Terrain category 2

Vb = 50m/s

DESIGN WIND SPEED Vz = Vb *k1*k2*k3*k4

k1= 1.0 table 1

k2= 1.0

k3= 1.0

k4 =1.0

Vz= 50*1.0*1.0*1.0*1.0 = 50m/s

desig wind pressure = Pd= 0.6*Vz*Vz=

= 0.6*50*50 = 1.5 kn/m2

DEAD LOAD AND LIVE LOAD .

h/w = 9.5/10.7 = 0.8

l/w = 19.225/10.7 =1.79

from table

FOR ANGLE 0

wind pressure for wall A +CPI -CPI

EXTERNAL PRESSURE COEFF +0.7 +0.7

INTERNAL PRESSURE COEFF +0.5 -0.5

NET PRESSURE COFF = 0.2 1.2

WIND FORCE 0.2*1.5 1.2*1.5

0.3 1.8

WIND FORCE FOR WALL B +CPI -CPI

EXTERNAL PRESSURE COEFF -0.3 -0.3

INTERNAL PRESSURE COEFF +0.5 -0.5

NET PRESSURE COFF = -0.8 0.2

WIND FORCE -0.8*1.5 0.2*1.5

-1.2 0.3

WIND FORCE FOR WALL C & D +CPI -CPI

EXTERNAL PRESSURE COEFF -0.7 -0.7

INTERNAL PRESSURE COEFF +0.5 -0.5

NET PRESSURE COFF = -1.2 - 0.2

WIND FORCE -1.2*1.5 - 0.2*1.5

-1.8 -0.3

FOR ANGLE 90

WIND FORCE FOR WALL A & B +CPI -CPI

EXTERNAL PRESSURE COEFF -0.5 -0.5

INTERNAL PRESSURE COEFF +0.5 -0.5

NET PRESSURE COFF = -1.0 0

WIND FORCE -1.0*1.5 0

-1.5

WIND FORCE FOR WALL C +CPI -CPI

EXTERNAL PRESSURE COEFF +0.7 +0.7

INTERNAL PRESSURE COEFF +0.5 -0.5

NET PRESSURE COFF = 0.2 1.2

WIND FORCE 0.2*1.5 1.2*15

0.3 1.8

WIND FORCE FOR WALL D +CPI -CPI

EXTERNAL PRESSURE COEFF -0.1 -0.1

INTERNAL PRESSURE COEFF +0.5 -0.5

NET PRESSURE COFF = -0.6 0.4

WIND FORCE - 0.6*1.5 0.4*1.5

-0.9 0.6

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