In which method the sum total length of centre lines of walls, long and short walls has to be found out?

Centre line method
Simpson's method
Separate wall method
Long wall-short wall method

LohaHridoy

4 views

2025-01-04 04:42

1 Answers

AhmedNazir

Option 1 : Centre line method

Explanation:

Center Line Method:

In this particular method length of the centerline of the wall is firstly calculated, then its length is multiplied with breadth and height to get the total quantity.
This method gives very quick and accurate results.
Suitable for Rectangular, circular, hexagonal, octagonal shapes of building estimation.
No deductions will be made for corners while using the centerline method.

Separate wall method:

Length of the external wall in longitudinal direction and length of internal wall running in the transverse direction are evaluated then after quantity will be calculated by multiplying length x breadth x height.
In the longitudinal direction, wall length is normally reduced from earthwork to brickwork in the case of the superstructure.

Formulas used are:

Length of longwall (out to out) = center to centre length + half breadth on one side + half breadth on the other side = centre to centre length + one breadth

Length of the short wall (in to in) = centre to centre length – one breadth

Long wall - short wall method:

This method defines, the wall along the room length is considered as longwall and the wall perpendicular to longwall is considered as the short wall.

Formulas used are:

Length of longwall (out to out) = Center line length of longwall + half breadth at each end to its centerline length

Length of the short wall (in to in) = Center line length of the short wall - the half breadth of its centerline length at each end

4 views Answered 2022-09-04 04:29

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