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State of Haryana - Section
Section 31 in Haryana Municipal Building Bye-laws 1982
31. Thickness of walls.
- Where walls of buildings are constructed of bricks, stones blocks or of other hard and incombustible material laid in horizontal beds of courses, every wall or part of a wall shall be so designed and constructed as to be capable of safely sustaining and transmitting the dead loading and the superimposed loading to which it may be subjected calculated in accordance with the Scheduled V annexed to these bye-laws so far as it is applicable and the horizontal and inclined forces to which it may be subjected without undue settlement or deflection and without exceeding the intensity of pressure on the materials as given under:-Maximum permissible uniformly distributed compressive stresses on walls with slenderness ratio of unity :| Cement | Lime | Sand | Maximum Stress in K.G. /Sq cm. corresponding tobricks of crushing strength in K.G./Sq. Cm. | ||
| 36 | 70 | 106 | |||
| 1 | .... | 3 | 3.5 | 7.0 | 10.5 |
| 1 | .... | 4 | 3.5 | 7.0 | 10.0 |
| 1 | 1 | 6 | 3.5 | 7.0 | 10.0 |
| 2 | 2 | 9 | 3.5 | 5.5 | 8.5 |
| 1 | 6 | 6 | 3.5 | 5.5 | 8.5 |
| 1 | 3 | 12 | 2.5 | 5.0 | 7.0 |
| ..... | 1 | 2 | 2.5 | 5.0 | 7.0 |
| ..... | 1 | 1.5 | 2.5 | 4.0 | 5.0 |
| Burnt bricks in mud mortar | 3 |
| Coursed rubble masonry (other than Ashlar in cement mortar1:4) | 10 |
| Coursed rubble masonry (other than Ashlar in lime mortar 1:2or cement Mortar 1:6) | 5 |
| Random rubble masonry in cement mortar 1:4 | 9 |
| Random rubble masonry in lime mortar 1:2 or cement mortar 1:6 | 4.5 |
| Ashlar masonry in cement mortar 1:3 with 1:3:6 mass concretebacking | 13 |
| Ashlar masonry in lime mortar 1:2 or cement mortar 1:6 with1:4:8 mass concrete backing | 6.5 |