4 clauses 4.1.1.3, 5.3.2.3 (eqn. Apart from providing vertical support to suspended slabs from 1st floor to roof, these shear walls provide lateral stability against wind forces in both the. (concrete grade = 30 mpa, yield strength of reinforcement = 500 mpa, variable action on floor = 2.5 kpa, fire rating = 1 hour 30 minutes).
Traditionally Reinforced Floors Echo
Placing damp proof polythene sheet and followed by b.r.c.
The layout of a floor slab is shown in figure 1 below.
Extension of top bars past face of support (from text figure a‐5c) = 0.3 0.3(176) 53 4'5 at interior beams 44 3'8 at end beams 4 176 4 n n l l temperature & shrinkage steel: The result is a lightly reinforced slab designed to offset the effects of temperature and shrinkage of the concrete. Slab (fddm example 4) •2 x 12 composite deck •20 gage •4. Suspended slabs are typically buildup in two ways:
Useful for determining suitable steel arrangements quickly.
G k from finishes & mech. 44 2 loads “adjacent”, scaffold example Again, punching shear and deflection are unlikely to limit p and will not be shown in this example. A 2 hour fire rating is required.
With some limitations, reinforcement for slabs can be sized using the subgrade drag theory in order to increase the spacing of control or construction joints.
Your city building inspector should be able to provide you with all those parameters. Introduction concrete slabs on grade are a very common type of concrete construction. 13.6.1 direct design method (ddm) for slab systems with or without beams loaded only by gravity loads and having a fairly regular layout meeting the following conditions: I found that all the questions i had similar to yours were called out by the code of the city i live in.
The mechanics for m y and v n are similar to the previous example using a modified b e.
Casting the ground slab to required level as specified in the construction drawing. Bs 8110 if the following conditions applied. The slab is 300 mm thick and columns are 400 mm square. Join and request for m ore.
Suspended loads solar panels roof drains 7.
Apart from providing vertical support to suspended slabs from 1; Ce 433, summer 2013 slab design example 5 / 5 design bar cutoffs: Perhaps you will find the same. Building and construction authority (bca)
The method to design this slab is different than suspended slab.
The floor spans between supports and will normally deflect under load to a dimension that is limited by the design used. Example of shear w all design t o ec2. Example of shear wall design to ec2 fref calculation output the accompanying figure shows a 6 storey rc structure with 250mm thk shear walls located along grid 1, 10, a & d. The reinforcement is placed in reusable and adjustable molds, and the concrete is poured, vibrated.
One of the bay supports an auxiliary power generation unit.
A b bb c 4.0 4.0 4.0 6.0 d 1 e 200 x 200 hole 8.0 2 9.6 300 mm flat slabs 8.0 all columns 400 mm sq. Design the floor to satisfy ultimate and serviceability limit state requirements. Bending moment capacities for ultimate limit and serviceability limit states together with shear capacity for a range of slab thicknesses and bar diameters. For conventionally reinforced slabs on grade, the wire reinforcement institute (wri) publishes a design guide with design equations and examples.
Matthew stuart, p.e., s.e., f.asce, secb course content slab on grades construction:
It shall therefore transfer all of the load to the ground underneath via this hardcore layer. The floor slabs are at 4.50 m vertical centres. 1 & 2), 5.4.4.1 & 5.8.8.2. 3 8.6 200 x 200 hole figure 3.18 part p plan of flat slab 3.4.1 actions kn/m2.
Example of shear wall design to ec2.
A suspended concrete floor is a floor slab where its perimeter is, or at least two of its opposite edges are, supported on walls, beams or columns that carry its self weight and imposed loading. The construction and design of concrete slabs on grade d. Reinforced concrete slab design to bs 5400 pt.
