One Way Roof Design

Significantly cheaper to build than a gable or multi slope roof since there s less material in the roof.

One way roof design.

It also is often used on dormers extensions built on a basic roof to provide more light or space inside. Another is to create a custom gravel stop drip edge flashing piece that changes profile along the length of the roof to compensate for the change in pitch. The shorter span of one way slab is provided with the main reinforcement while the longer span is provided with the distribution reinforcement. The a frame is very easy to identify.

Some of the prominent examples of the one way slabs are the cantilever slabs chajjas and verandahs. A slanted shed roof can easily be built if one of the walls of the shed stands taller than the opposite one. When a slab is supported on all four sides and the ratio of long span to short span is equal or greater than two it will be considered as one way slab. Design a one way slab for the inside of a building using the span loads and other data given in figure 1.

Normal weight aggregate concrete is specified with a density of 145 pcf. Roof terminology is also not rigidly defined. The other part of the. A roof that slopes in only one direction is called a shed or pent style.

The butterfly roof is an. The main factors which influence the shape of roofs are the climate and the materials available for roof structure and the outer covering. One way is to design the roof to have a parapet wall covering the roof edge. It is a common roof on sheds and other outbuildings and is frequently used on carports patios porches and small additions to a house.

Roof shapes differ greatly from region to region. Basically a slanted roof style is a flat roof tilted high up at one edge to create a very steep slope. It s steep pointed roof which extends all the way to the ground. Roof type chart 1.

Usages vary slightly from region to region or from one builder or architect to another. The load on the slab is carried by the short span in one direction. Assuming cover 3 4 in figure 1 the minimum thickness for one way slab simply supported l 20 using table 1 aci 9 5 2 1. The bonnet roof is identified with the extending ledge around the base of the roof.

Once your walls are uneven you can build a slanted roof to fit. The intent is to create a uniform edge on the outside but a varying profile on the inside along the sloping roof.