Effective length of a wall shall be as given in Table 6.

FIG. 13 EFFECTIVE HEIGHT OF WALL
PART 6 STRUCTURAL DESIGN — SECTION 4 MASONRY
| Sl No.(1) | Conditions of Support (See Fig. 14)(2) | Effective Length(3) |
| i) | Where a wall is continuous and is supported by cross wall and there is no opening within a distance of from the face of cross wall (see Fig. 14)orWhere a wall is continuous and is supported by piers/buttresses conforming to 4.2.1.2(b) | 0.8 |
| ii) | Where a wall is supported by a cross wall at one end and continuous with cross wall at other endorWhere a wall is supported by a pier/buttress at one end and continuous with pier/buttress at other end conforming to 4.2.1.2(b) | 0.9 |
| iii) | Where a wall is supported at each end by cross wallorWhere a wall is supported at each end by a pier/buttress conforming to 4.2.1.2(b) | 1.0 |
| iv) | Where a wall is free at one end and continuous with a pier/buttress at the other endorWhere a wall is free at one end and continuous with a pier/buttress at the other end conforming to 4.2.1.2(b) | 1.5 |
| v) | Where a wall is free at one end and supported at the other end by a cross wallorWhere a wall is free at one end and supported at the other end by a pier/buttress conforming to 4.2.1.2(b)where length of wall from or between centres of cross wall, piers or buttress; and actual height of wall between centers of adequate lateral support. | 2.0 |
| NOTE — In case there is an opening taller than 0.5 in a wall, ends of the wall at the openingshall be considered as free. Cross walls shall conform to 4.2.2.2(d). | ||