Cantilever Slab Design Calculation Pdf
Element Design Detailing Three elements of retaining wall. Buettner and Roger J.
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This example will demonstrate the analysis and design of the rectangular reinforced concrete cantilever beam shown below using ACI 318-14 provisions.
. HelloIn this video cantilever slab is design as per IS456-2000. Load Data Lime terrace topping of 100 mm thickness is provided over the slab. This load distribution is typical for cantilever beams supporting a slab.
Reinforced Concrete Cantilever Retaining Wall Analysis and Design ACI 318-14 Reinforced concrete cantilever retaining walls consist of a relatively thin stem and a base slab. Nadim Hassoun ACI 318M-05 Reinforced Concrete Calculation Preview. This procedure is intended to be readily calculated by hand although use of calculation software such as Mathcad or Excel will be useful for design iterations.
Net pressure is obtained by deducting the weight of concrete in the toe slab from upward acting soil pressure. These calculations can be carried out conveniently in EXCEL Table 31 V LLIMP and M LLIMP for K-N. 12 Example Wall.
Slab bottom steel in the direction of cantilever is 13. Assuming slab thickness 6 Slab weight 75 psf 0075 ksf Wearing Surface 30 psf w DL. Figure 6 gives a modification coefficient which will adjust the cantilever length for smaller slabs depending on the slab size.
SK 23 Cantilever beam. Cantilever beam with slab-type trapezoidal load distribution. In this post we are going to show how we can analyse and design cantilever slabs subjected to floor load and block work load.
F ck 25. The results of hand calculations are then compared with the reference results and numerical. This Spread sheets is useful for DESIGN OF CANTILEVER SLAB AS PER IS 4562000 Usually Balcony slabs are cantilever slab and hence a provision for wall load at free end is included so that the spread sheet is useful for practical purposes.
The example calculations are made here using Mathcad. Fy 415 Nmm2 and Nominal cover 30 mm. The stem may have constant thickness along the length or may be tapered based on economic and construction criteria.
Concrete ratios were taken from 00005 005 to 0020 2 as shown in the Table 1. A short summary of this paper. Even while designing they are considered as one-slabs with cantilever fixed or continuous at supports.
Simply supported One way slab A rectangular reinforced concrete slab is simply-supported on two masonry walls 250 mm thick and 375 m apart. Design the slab using the data given below. Design of Cantilever Slab Spreadsheet.
Cantilever slabs are a typical one way slabs. FREE BOOK Cantilever Solid Slab Design Example PDF Books this is the book you are looking for from the many other titlesof Cantilever Solid Slab Design. Calculation Reference Structural Concrete Theory and Design by M.
Such calculations require a knowledge of the supporting beam or column dimensions A reasonable 1 8. Design of Reinforced Concrete Beams 43 21 ANALYSIS OF BEAMS 211 Effective spans SK 212 Continuous beam. Designed to resist moment caused by force f H k f load combination 1 Toe Slab.
56 Typical Cantilever Details 5--20. Select slab thickness to satisfy deflection and shear requirements. The base is divided into two parts the heel and toe.
Example Design a cantilever projecting out from a room slab extending 10m and to be used as balcony LL 300 kgm2. Example 41 Design the cantilever slab of a bus stand shown in Figure 41. Purpose of building Residential.
Cantilever spans selected for blast resistant designs are 1000 mm to 3000mm. Stem Toe slab Heel slab are designed as cantilever slab Stem. MANUAL FOR THE DESIGN OF HOLLOW CORE SLABS SECOND EDITION by Donald R.
20 Full PDFs related to this paper. A cantilever slab 200 mm thick is 1715m long and it is supporting a blockwork load at 10m from the fixed end. They are projections from wall face of lintel beams or floor slabs.
The maximum spacing of distribution reinforcement also restricted to 300 max by considering. A brick wall of 250 mm thickness including plaster of 10m height is provided at the end of cantilever fc 1725 MPa fy 300 MPa Slab thickness of room 125 mm. The example wall is shown in Figure X2.
20 Some highlighted aspects in Basis of Design 3 30 Beams 10 40 Slabs 49 50 Columns 68 60 Column Beam Joints 93 70 Walls 102 80 Corbels 116 90 Cantilever Structures 124 100 Transfer Structures 132. Prepared for the PCI Hollow Core Slab Producers. The slab has to carry a distributed permanent action of 10 kNm2 excluding slab self-weight and a variable action of 3.
Becker Computerized Structural Design SC. Steps of the structural analysis flexural design shear design and deflection checks will be presented. Download Full PDF Package.
The distribution looks like a right trapezoid with an increasing part close to the fixed support and a constant part with magnitude equal to. Simply supported or encastré Continuous le 10 le smaller of I d or 10 Cantilever where 10 centre-to-centre distance between supports effective span. Chapter 6 -- Fire Resistance of Assemblies made with Hollow Core Slabs 61.
Cantilever Slab Design Calculation Procedure Design of cantilever slab to Eurocode 2 Span of slab 15m Variable load 4kNmm2 Slab thickness 175mm Fck 25Nmm2 fyk 500Nmm2 Cover to the reinforcements 25mm Office building Slab loading. Design of a Balanced-Cantilever Bridge CL Bridge is symmetric about CL. Design of Slab Examples and Tutorials by Sharifah Maszura Syed Mohsin Example 1.
Full PDF Package Download Full PDF Package. -INPUT Concrete fck Steel fy Clear cover CC of tension Reinf P04 Main Steel dia m Distirbtuin Dia d Length L Live Load LL Other Loads L Unit Wt. Determine whether the slab geometry and loading allow the use of the direct design method as listed in DDM.
Cantilever Slab Analysis Design-ACI Cantilever Slab Analysis Design-ACI. Self weight 175x25x10-3 4375kNmm2. In Figure 5 for the cantilever length are for large slabs.
All necessary checks are donecantileverslabshearcheckdeflectioncheckdevelopmentlenghte. SK 21 Simply supported beam. SOIL CONDITIONS The design procedure shown in this report.
F Design Parameters Slabs fck 25 Nmm2. 76 Imposed load 075 kNm2. Of Concrete Left Support Right Support Xu maxd Width b 20 415 20 33 12 10 2900 50 0 25 0 0 048 1000 Nmm Nmm mm mm mm mm KNm KNm KNm mm mm mm.
Sample Design Calculations Fema Gov Flat Slab Construction Reinforced Concrete Flat. Load data and design parameters are given below. Concrete cantilever wall example.
The trial depth is selected based on spandepth ratio of 7 as in IS456.
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