Staircase quantity R.C.C. work (staircase) Base Toe wall LXBXH 1.10 x 30 cm x 23 cm 1.10 x 0.30 x 0.23
= 0.076 cu. Meter No. of Toe wall is one Therefore, total volume of Toe wall = 0.076 x 1 = 0.076 cubic meter Waist slab of flights Volume = L X B X H Length of waist slab =
L = 3.05 meter Breadth of waist slab = 1.15 meter Adding bearing 15 cm 1.15 cm + 1.15 cm = 1.30 meter Thickness of waist slab is 15 cm. Therefore, volume of waist slab = L X B X H Volume of waist slab = 3.05 x 1.30 x 0.15 Volume of waist slab = 0.594 m3 No. of waist slab is 2 Therefore, volume of waist slab = 0.594 x 2 = 1.190 m3 Landings Length of landing = 2.30 meter Add 15 cm bearing both ends i.e. = 2.30 + 15 cm + 15 cm = 2.60 meter
Breadth of landing is 1.15 cm Add 15 cm bearing as per drawing i.e. = 1.15 cm + 15 cm = 1.30 meter Thickness of landing slab is 15 cm i.e. 0.15 meter Therefore, volume of landing = L X B X C Volume of landing = 2.60 x 1.30 x 0.15 Volume of landing = 0.507 meter No. of landing is 2 Therefore, total volume of landing = 0.507 x 2 = 1.014 cubic meter Steps without slanting Length of steps without slanting = 2.3 m / 2 (As per drawing) = 1.15 meter Breadth of steps without slanting = ½ x 0.25 (Triangle formula) = 0.125 meter Height of step without slanting is 16 cm i.e. 0.16 meter therefore, volume of step without slanting = L X B X H volume of step without slanting = 1.15 x 0.125 x 0.16 volume of step without slanting = 0.023 m3 (cubic meter) no. of steps is 20 therefore, total volume of steps without slanting = 0.023 x 20 =0.460 m3 steps with slanting’s length of steps with slanting’s = 2.3 m / 2 (As per drawing) = 1.15 meter Breadth of step with slantings = ½ x 0.03 ( ie. 0.28 – 0.25 = 0.03) = 0.0153 meter Height of step with slantings is 16 cm i.e 0.16 meter Therefore, volume of step with slanting = L X B X H Volume of step with slanting = 1.15 x 0.0153 x 0.16
Volume of step with slanting = 0.00281 No. of steps with slanting is 20 Therefore, total volume of steps with slanting = 0.00281 x 20 = 0.055 m3 Total volume of staircase is = 0.076 + 1.190 + 1.014 + 0.460 + 0.055 Total volume of staircase is = 2.765 m3 (cubic meter)
Civil At Work_ How To Calculate Staircase Concrete Quantity _.pdf ...
Page 2 of 4. = 0.076 cu. Meter. No. of Toe wall is one. Therefore, total volume of Toe wall = 0.076 x 1 = 0.076 cubic meter. Waist slab of flights. Volume = ...
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