Load Bearing Concrete Wall Thickness

Concrete strength al ൯ne for an 10 thick wall with 5 10 and 2 5 clear to strength steel will only reduce the nominal moment capacity of the secti對on from 136 68 to 135 66 inch kips 尩 if the concrete strength decreased from 3 5 to 3 0 ksi.

Load bearing concrete wall thickness.

Thus it appears that in the example you provided the minimum wall thickness is 6 inches. Top storey masonry wall. They can be manufactured in a variety of sizes and finishes. While cracks in a slab may not seem like a big deal the smallest crack represents a large amount of downward pressure that may be crushing pipework beneath.

Concrete thickness for flatwork such as slabs on grade and driveways a minimum thickness of four inches is required but increasing the thickness to five inches can add nearly 50 percent to the load bearing capacity. Design is similar to a rc column breadth equal to thickness of wall and depth equal to 1m. It is permitted to use a thickness of 203 2mm 8 inch for top storey bearing masonry of a. Thickness requirements for load bearing masonry wall stiffened masonry wall.

Imposed loads varies from approximately 1 5 kn m 2 153 kg m 2 in domestic buildings to approximately 10 kn m 2 1053 kg m 2 in heavy industrial areas. When depth is large it is called rc wall. Section 11 3 1 1 states that the minimum thickness shall be based on the shorter of either the unsupported wall height or length. Knowing the load bearing capacity of your concrete is essential to make sure that what you plan to have supported by the wall or slab will not be too heavy and cause it to crack and break.

Reinforced concrete wall when reinforcement 0 4 load from slab is transferred as axial load to wall. The structural wythes are typically 6 8 or 10 thick with the insulation being 2 to 4 thickness. In case of load bearing masonry structure upto 2 storyed nepal nbc suggests load bearing wall of minimum thickness of 18 inches as a thumb rule. The minimum actual thickness of a load bearing masonry wall shall be not less than 4 inches 102 mm nominal or 3 3 8 inches 92 mm actual thickness and shall be bonded integrally with piers spaced in accordance with.

500 kg m 2 is typical for office storage space and similar. For more on designing bearing walls refer to chapter 11 of aci 318 19.