1985 Ed.]
Building Construction: Regulations
[CAP. 123
TABLE XIII
Maximum compressive stress in MPa in walls and piers of bricks or building blocks when the slenderness ratio does not exceed 1
Mix of mortar Designation of bricks or building blocks. and minimum crushing strength (S) Cement : Lime : Sand Concrete granite bricks S=52 MPa, Hollow blocks S=10 MPa, blocks S = 5 MPa, S = 17 MPa 3 Common Squared Solid 1* 0-1* 3.4 1* 0- 1* 2.6 1.3 2.1 ༣ 1.4 0.9 10003 1.4 1.1 0.5 LO 0.5 1.3 LO 0.5 LI 0.6 0.4 0.5 0.3* In accordance with regulation 15, up to 1 part of lime may be added to cement-mortar.
I
TABLE XIV
Reduction factor under paragraph 2 for slenderness ratio of walls and piers of bricks and building blocks
Slenderness ratio Factor Slenderness ratio Factor *** 50 1:00 10 0.96 12 0.88 14 0.80 16 0.70 18 CN** 0.60 0.50 0.40 0.35 0.30 B 43Note: The factor for intermediate values of the slenderness ratio shall be determined by interpolation.
66. (1) Where, in the case of walls or piers built of concrete, the slenderness ratio of any storey height does not exceed 1, the compressive stresses in such storey height shall not exceed those specified in Table XV for the designated grade of concrete.
(2) Where the slenderness ratio of such storey height exceeds 1, the compressive stresses in that storey height shall not exceed the appropriate stress specified in Table XV multiplied by the factor specified in Table XVI for the slenderness ratio of such storey height:
Maximum compressive stresses in walls and piers of concrete.
[Subsidiary]
LX.294/76.