One-way Slab Design Example Pdf
SLAB DESIGN Reading Assignment Chapter 9 of Text and Chapter 13 of ACI318-02. Civil Engineering Design 1 11 Dr.
Reinforced Concrete Multi Span Slab Support Details Reinforced Concrete Concrete Concrete Floors
Caprani 22 Example 1.
One-way slab design example pdf. The slab is spanning between joists and designed to carry gravity loads. The applications of the theory in the design of two-way slabs. Design of Slab Examples and Tutorials by Sharifah Maszura Syed Mohsin Example 1.
For slabs on beams for one panel. To see their result for this slab we will find the load factor λ to cause failure. Residential Wood Framed Floors and Aquarium Weights.
The service live load is 100 psf and 4000 psi concrete is specified for use with steel with a yield stress equal to 60000 psi. Since lylx 935 2571 2 This slab is a one way slab prefere procedure 1 Step-2- Assuming depth of slab. A reinforced concrete slab is to be built integrally with its supports and consists of two equal spans each with a clear span of 15 ft.
D h c nom-05ϕ bar 150- 30 -0512 114 mm Design moment M ED 1918 kNm K Mbd2f ck 1918 x 106 1000 x 1142 x 25 0059 K bal 0167 Compression reinforcement is not required. LL 2 DL 4. Step-1- Checking one way or two way slab.
Select representative 1 m wide design stripstrips to span in the short direction as. Two-Way Slabs 3 4. One Way Slab Design Example.
Slabs may be simply supported or continuous over one or more supports and are classified according to the method of support as follows. Examples of the portion of slab to be included with the beam under 1324 45o hhwf4 bhb hwww f28 bw. Variation in successive spans 33.
4 design of one way slabs the structural action of a one way slab may be visualized in terms of the deformed shape of the loaded surface figure 1 shows a rectangular slab simply supported along its two opposite long the widespread use of concrete in many. The basic design procedure of a two-way slab system has five steps. Simply supported One-way Slab The first example is a simply supported concrete slab spanning 48m supporting a superimposed dead load.
And all the design steps are followed to IS 8002000. Design Considerations For One Way Slab. Three or more spans in each direction.
Minimum slab thickness h L20 10 x1220 6. Ultimate Behavior of One-Way Spanning Slab Linear Elastic Analysis Methods such as moment distribution are linear elastic methods. One way slab design.
Detailing is provided as mentioned in SP34. Reinforced Concrete One Way Slab Design Example. Assume partitions cannot be damaged by deflections.
Design Example of ONE WAY SLAB with detailing - Free download as PDF File pdf Text File txt or read online for free. Column offset 10 in each direction. Design calculation Design of one way slab Slab S1 Span of One way slab L 2m Section provided D 130 mm d 105 mm Loads on slab Self weight of slab 325 Knm Floor finish 2 Knm Filling load 35 Knm Wall load 2 Knm Live load 2 Knm Total UDL 1275 Knm Bending Moment BM WL28 6375 kn-m Ultimate Moment Mu 150BM 95625 kn-m Charecteristic Strength of concrete fu 20.
CE 433 Summer 2013 Slab Design Example 1 5 Design a oneway slab for an interior bay of a multistory office building using the information specified below. Ie w a and w b. In any span the max cable sag zd depends on the concrete cover requirements and the tendon dimensions.
The service live load is 40 psf and 4000 psi concrete is specified with 60 grade steel. The design criteria as given by the ACI Code Specifications for the one way slab are as follows. Assume partitions cannot be damaged by deflections.
One-way Slabs Normally design as a beam with cables running in the direction of the span at uniform centres. While the distribution bars are provided on the longer side. When zd is determined the prestressing force required to balance an.
Prefere procedure-2 For simply supported one way slab. X 27 in interior beam dimensions 14 in. CE 403 Fall 2015 Slab Design Example 1 5 ACI 31811 Referenced Design a oneway slab for an interior bay of a multistory office building using the information specified below.
A reinforced concrete slab is built integrally with its supports and consists of equal span of 15 ft. Design the slab following the provisions of. The unit strip of 1 ft shall be considered in the design.
The following tutorial will outline the procedure for a few common one-way slab arrangements. Lspan length in inches. A slab strip of unit width is analysed using simple beam theory.
Determination of Two way slab. Filler slab roofs An alternative roofing technology. The service live load is 100 psf and 4000 psi concrete is specified for use with steel with a yield stress equal to 60000 psi.
82112 Summary of One-way Solid Slab Design Procedure Once design compressive strength of concrete and yield stress of reinforcement are specified the next steps are followed. Design the slab following the provisions of the ACI code. One-way simply supported slab Span length L 10 ft.
Two-Way Concrete Floor Slab with Beams Design and Detailing Design the slab system shown in Figure 1 for an intermediate floor where the story height 12 ft column cross-sectional dimensions 18 in. Slabs are plate elements forming floors and roofs in buildings which normally carry uniformly distributed loads. For uniformly distributed loads of w per square foot of the slab each strip acts approximately like a simple beam uniformly loaded by its share of w.
Figure 1 depicts the reinforcement details of a one-way slab. One-way Slab Design The typical floor slab design shall be performed. That is the load factor at.
An example of how to design one way slab with detailing. Normal weight concrete unit weight 145 pcf 60 Grade steel f y 60000. Spanning one way between beams or walls Spanning two ways between the support beams or walls Flat slabs carried on columns and edge.
8192 Two-way Slabs Two-way slabs subjected mostly to uniformly distributed loads resist them primarily by bending about both the axis. Note that ACI 318 does not allow live load reduction for one-way slabs. X 18 in edge beam dimensions 14 in.
Simply supported One way slab MAIN REINFORCEMENT Effective depth. Figure 21 Partial plan view illustrating slab design strip. 11b shows two center strips of a rectangular plate with spans l a and l b.
By using the Concrete Member design module linked to the Analysis design module one-way slabs can be designed. Round slab thickness up to the nearest ¼. Load transfer in a One-way slab b Two-way Slab Nilson Fig.
As shown in the figure above in the one-way slab the main bars cranked bars are provided on the shorter side. One Way Slab Design Example. Determine moments at critical sections in each direction normally the negative.
Design by rule of thumb Structural engineering other. However as in the one-way slab the depth of the two-way slabs should also be checked for the shear stresses to avoid any reinforcement for shear. One Way Joist Slab Design Example Reinforced Concrete Design Examples.
Direct Design Method DDM Before Discussion Of this Method we have to study some concepts. One-way simply supported slab Span length L 10 ft. A reinforced concrete slab is built integrally with its supports and consists of equal span of 15 ft.
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