Hollow Rectangular Beam Calc

santosh tarlapally

- February 9, 2013

1

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# Description

Builders use hollow rectangular beams in construction because such beams can withstand the forces of shearing and bending in both the x- and y-directions. They are also resistant to torsional forces, much more so than I-beams. To calculate strains on hollow square/rectangular beams, you must know the cross-sectional area and various moments of inertia in both the x- and y-directions.

# Additional information

Updated

February 9, 2013

Size

183k

Installs

1 - 5

Current Version

1.0

Requires Android

2.1 and up

Content Rating

Everyone

Permissions

Report

Flag as inappropriate Offered By

santosh tarlapally

Developer

# Similar

## Reinforced Beam

Give us a LIKE on our Facebook https://www.facebook.com/rccalc/

Reinforced Beam is a Professional Reinforced Concrete Beam Calculator.

It is directed to Structural/Civil Engineers and Students

Application is AdsFree.

This application is accessible not only in the office but also at the construction site or during multi-branches coordination meetings.

The calculations’ algorithms adopted in the application meet the criteria of the Europe Union building construction codes, and are based on the Eurocode 2: Design of concrete structures EN1992-1-1.

User can switch between SI and US units.

Reinforced Beam contains:

1. Beam – Bending - ULS & SLS

2. Beam – Shear (PRO module - alpha & teta angles can be defined)

3. Beam – Torsion with Shear (NEW module - stirrups spacing is calculated to carry both: shear and torsion)

4. Concrete characteristics (EC2)

If you have any suggestion or comments about application please give as some feedback.

NOTE:

I you have any wrong calculations or other errors in the application please send us an email with the values used for the calculation

## Concrete Beam Design (per ACI)

Concrete Beam Design is for the engineering investigation and design of reinforced concrete flexural slabs and beams. It performs flexural design, flexural investigation, moment redistribution, and shear design for rectangular and T-shaped concrete sections, while checking all ACI 318-11 Code requirements. Bar sizes, counts, and spacing are given for both flexural steel and stirrups.

Upgraded to include both US and SI units, metric reinforcing steel sizes, and the American Concrete Institute ACI 318-11 code.

Great for professional engineers who need quick input and detailed design output.

Great for students who can refer to the pertinent Code sections used in the Help file.

The application does the following:

-Accepts US or SI units and either US or European reinforcing bar sizes,

-Computes the required steel area and reinforcement for a given ultimate moment Mu,

-Computes the moment capacity ΦMn for a user input steel area,

-The user can select and save bar sizes for slabs and beams,

-Displays bar spacing for slabs and bar count for beams,

-Checks for the minimum code allowed bar spacing,

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-Checks code requirements for both slab and beam minimum and maximum steel areas,

-Displays actual steel ratio along with the minimum and maximum allowed steel ratios,

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-Displays the flexural tensile strain εt,

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-The user can select the stirrup bar size and the number of stirrup legs,

-Displays the stirrup bar size, number of vertical legs, and stirrup spacing for the Vu input,

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-A Preferences screen saves the user’s settings for US or Si units, member type, concrete strength, steel strength,

member width, member depth, slab bar size, beam bar size, stirrup bar size, and the number of stirrup legs,

-A Help screen provides instruction for the use of the app, and gives the section numbers for the pertinent ACI code sections,

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-The input and results can be emailed in a text file for sharing or printing.

## I - Beam Calculator

An I-beam, also known as H-beam, W-beam (for "wide flange"), Universal Beam, Rolled Steel Joist , or double-T, is a beam with an I- or H-shaped cross-section. The horizontal elements of the "I" are flanges, while the vertical element is termed the "web".

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The web resists shear forces, while the flanges resist most of the bending moment experienced by the beam. Beam theory shows that the I-shaped section is a very efficient form for carrying both bending and shear loads in the plane of the web. On the other hand, the cross-section has a reduced capacity in the transverse direction, and is also inefficient in carrying torsion, for which hollow structural sections are often preferred instead.

## Concrete Beam Design

This is an application for professional civil and structural engineers or students. It is able to design based on eurocode 2 (EC2) rectangular and flanged (T beams) beams and utilizes the latest European code for concrete. The application covers the flexural , shear and torsion design.

The user provides the section dimensions ,material strength ( yielding ), redistribution factor, the rebar diameters and of course the actions (Bending moment , Shear force and Torsion )

Also the application can calculate the section properties of a given section both rectangular and flanged T sections. It outputs the uncracked centroid of the section , the uncracked Second moment of area ( or moment of inertia ), the cracked centroid , the cracked second moment of area , the cracking moment , the elastic modulus of concrete and the tensile strength of concrete.

It is a very useful tool for professional or student engineers

The user provides the section dimensions ,material strength ( yielding ), redistribution factor, the rebar diameters and of course the actions (Bending moment , Shear force and Torsion )

Also the application can calculate the section properties of a given section both rectangular and flanged T sections. It outputs the uncracked centroid of the section , the uncracked Second moment of area ( or moment of inertia ), the cracked centroid , the cracked second moment of area , the cracking moment , the elastic modulus of concrete and the tensile strength of concrete.

It is a very useful tool for professional or student engineers

## Structural Beam PRO

This App is an Handbook for Structural Calculations and a Beam Calculator. An essential Tool for Engineers, Architects, Technicians and Students for Civil Engineerig, Civil Buildings Experts, Mechanical Engineering and other Structure Disciplines. Are available Graphics Diagrams, Section Calculator and Tables as follows:

Graph and Numerical Results (every 1/10 of Beam Length) with Results of Beam Reactions of:

1. Shear and moment of Supported Beam with Distribuited Load

2. Shear and moment of Cantilever Beam with Distribuited Load

3. Shear and moment of Supported Beam with Triangular Load

4. Shear and moment of Cantilever Beam with Concentrated Load at the end of beam

5. Shear and moment of Joint and Supported Beam with Distribuited Load

6. Shear and moment of Cantilever Beam with Triangular Load

7. Shear and moment of Supported Beam with Triangular Load at midspan

8. Shear and moment of Joint and Supported Beam with Triangular Load

9. Shear and moment of Double Interlocking Beam with Distribuited Load

*****

10. Fixed Frame - Distribuited Load: Moments

11. Hinged Frame - Distribuited Load: Moments

12. Section Square: Moment of Inertia, Modulus of Resistance and Area

13. Section Rectangular: Moment of Inertia, Modulus of Resistance and Area

14. Section Double T: Moment of Inertia, Modulus of Resistance and Area

15. Section Rectangular Hollow: Moment of Inertia, Modulus of Resistance and Area

16. Section C: Moment of Inertia, Modulus of Resistance and Area

17. Section Rod: Moment of Inertia, Modulus of Resistance and Area

18. Section Circular Hollow: Moment of Inertia, Modulus of Resistance and Area

19. Material Weight table: Concrete, Reinforced Concrete, Steel, Aluminium, Sand, etc.

20. Steel Beams IPE table

21. Steel Beams HEA table

22. Steel Beams HEB table

23. Steel Beams HEM table

24. Steel Beams S Shapes table

25. Table Bars for Reinforced Concrete

26. Bending Moment pre-Design for Rectangular Section Beam in Reinforced Concrete (Eurocode 2)

27. Shear and moment of Supported Beam with Concentrated Load at Midspan

28. Supported beam with two spans - General Length and Distribuited Load

29. Double Interlocking Beam with Two Spans - Distribuited Load

30. Double Interlocking Beam with Two Span - Distribuited Load in one span

31. Supported Beam with cantilever - Distribuited Load

32. Supported Beam with cantilever - Concentrated Load in cantilever

33. Weight Calculator (Reinforced Concrete, Concrete, Steel, Wood(Pine - Douglas), Wood(Chestnut - Larch), Wood(Beech - Ash), Inox Steel, Cast Iron, Aluminium, Cement Mortar, Compact Limestone, Soft Limestone, Granite, Gipsum, Full Bricks, Hollow Bricks, Glass, Soft Water, Salt Water, Sand, Aspthalt, Compacted Clay)

## Beam Calculator PRO

This tool lets you to predict the deflection and stress of Beam. Unlike other tools, draw non-standard beam cross section or you can select beam cross section from standard shapes, or directly input/enter sectional properties to predict the performance of beam.

The deflection and stress levels predictions are required for beam design for a given shape, load, boundary and materials. Use the tool to design beam for any uniform pressure, local pressure or point loadings.

Beam is a basic structural element used in many engineering applications to resist bending or flexural loading. Beam is designed to support loads from floor, deck or slab. Even tall structures, aircraft wing, etc., can be designed starting with beam formulas.

Usually, for a given Length, Width, load, boundary, we change the material and thickness to meet the deflection or strength criterion. Deflection limit depends on aesthetic (span/20), pop out, design limits (span/250, span/400, span/600), etc. Stress limit depends on the linear elastics stress, yield stress, ultimate failure stress, etc. A factor safety is usually added as per the Design codes. Creep, fatigue and stress relaxation can also be factored.

Steps to use the tool

1) First Input Beam Cross-Sectional (c/s) details.

Select cross-section input from Manual, Standard or Arbitrary.

Manual:- Directly enter beam cross sectional properties.

Standard:- Select from a list of standard shapes such as I, C, L, Rectangle...

Arbitrary:- Draw non-standard shapes to calculate sectional properties.

2) Define Beam Length, Support, load and Materials:-

Enter the Beam length.

Select Material type and enter Modulus.

Select Boundary condition.

Fixed

Simply Supported

Cantilever

Select Load type and enter Load value.

Uniformly Distributed Load(UDL)

Uniformly Increasing Load

Point Load

Select the Analysis type.

3) Getting Final Results:-

Tap on “Beam” to get the results.

The results will show,

Cross Sectional Area (CSA),

Moment of Inertia about X-Axis centroid (Ixx),

Centroidal Distance (Yc),

beam length,

material type,

Modulus of Elasticity of selected materials,

Boundary conditions,

load,

analysis type, and

deflection, stress results.

Assumptions:

The cross section is uniform throught the length

The beam has at least one longitudinal plane of symmetry.

The beam is long in proportion to its depth or width

The beam is assumed to be thin beam and The through thickness shear effects are not considered.

Theory:

The general governing differential equation of one dimensional beam, relating the load, rigidity and deformation is used for linear isotropic beam performance prediction.

Beam equations including the effect of loads and forces in the middle plane are used for geometrical nonlinear performance prediction.

Similarly, orthotropic governing equation is also considered for orthotropic beam performance prediction.

Analytical solution for the above type of governing equations was compiled for various type of beam, boundary, loading conditions and is used for the performance prediction. The results predicted by Beam Calculator are also compared with numerical simulations. The analytical results predicted by app matches closely with the industry standard numerical finite element analysis solver results.

For additional support or help

visit: http://apps.atoa.com/atoa-apps/Beam-Calculator-PRO

mail: BeamPROe@apps.atoa.com

## Beam Calculator Lite

This tool lets you to predict the deflection and stress of Beam. Unlike other tools, draw non-standard beam cross section or you can select beam cross section from standard shapes, or directly input/enter sectional properties to predict the performance of beam.

The deflection and stress levels predictions are required for beam design for a given shape, load, boundary and materials. Use the tool to design beam for any uniform pressure, local pressure or point loadings.

Beam is a basic structural element used in many engineering applications to resist bending or flexural loading. Beam is designed to support loads from floor, deck or slab. Even tall structures, aircraft wing, etc., can be designed starting with beam formulas.

Usually, for a given Length, Width, load, boundary, we change the material and thickness to meet the deflection or strength criterion. Deflection limit depends on aesthetic (span/20), pop out, design limits (span/250, span/400, span/600), etc. Stress limit depends on the linear elastics stress, yield stress, ultimate failure stress, etc. A factor safety is usually added as per the Design codes. Creep, fatigue and stress relaxation can also be factored.

Steps to use the tool

1) First Input Beam Cross-Sectional (c/s) details.

Select cross-section input from Manual, Standard or Arbitrary.

Manual:- Directly enter beam cross sectional properties.

Standard:- Select from a list of standard shapes such as I, C, L, Rectangle...

Arbitrary:- Draw non-standard shapes to calculate sectional properties.

2) Define Beam Length, Support, load and Materials:-

Enter the Beam length.

Select Material type and enter Modulus.

Select Boundary condition.

Fixed

Simply Supported

Cantilever

Select Load type and enter Load value.

Uniformly Distributed Load(UDL)

Uniformly Increasing Load

Point Load

Select the Analysis type.

3) Getting Final Results:-

Tap on “Beam” to get the results.

The results will show,

Cross Sectional Area (CSA),

Moment of Inertia about X-Axis centroid (Ixx),

Centroidal Distance (Yc),

beam length,

material type,

Modulus of Elasticity of selected materials,

Boundary conditions,

load,

analysis type, and

deflection, stress results.

Assumptions:

The cross section is uniform throught the length

The beam has at least one longitudinal plane of symmetry.

The beam is long in proportion to its depth or width

The beam is assumed to be thin beam and The through thickness shear effects are not considered.

Theory:

The general governing differential equation of one dimensional beam, relating the load, rigidity and deformation is used for linear isotropic beam performance prediction.

Beam equations including the effect of loads and forces in the middle plane are used for geometrical nonlinear performance prediction.

Similarly, orthotropic governing equation is also considered for orthotropic beam performance prediction.

Analytical solution for the above type of governing equations was compiled for various type of beam, boundary, loading conditions and is used for the performance prediction. The results predicted by Beam Calculator are also compared with numerical simulations. The analytical results predicted by app matches closely with the industry standard numerical finite element analysis solver results.

The beam lite is limited by number of standard shapes to 6 out of 12 and the arbitrary input for drawing complex shapes is restricted to max 50 points. For unlimited use get beam PRO.

For additional support or help

visit: http://apps.atoa.com/atoa-apps/Beam-Calculator-lite

mail: BeamLite@apps.atoa.com

## ABF Australian Building Forum

Looking for design ideas for your new home?

Have a question about build costs?

Maybe you are considering owner-building and have questions?

Have a question about build costs?

Maybe you are considering owner-building and have questions?

The Australian Building Forum provides a wealth of information from professionals and people in the know.

Whether you have questions about luxury homes, kit homes, pole homes, builders, owner building, steel frames, conveyancing or even just want to share your own experiences and photos of your own build, the Australian Building Forum allows you to connect with a wide-range of like-minded people and professionals.

Sign up for free at www.australianbuildingforum.com.au or through the app, and open a world of information within the building industry.

Supported by TORRENS Steel - Luxury Steel-Framed Homes

www.torrenssteel.com.au

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Stairs are names for a construction designed to bridge a large vertical distance by dividing it into smaller vertical distances, called steps. Stairs may be straight, round, or may consist of two or more straight pieces connected at angles.

Stairs calculator to help you calculate the dimensions you need for building a straight staircase.

The calculator gives you the length of the stringer by the height and tread depth and thickness.

## Excavation and BackfillFooting

Excavation&Backfill Footing :

Backfill is used to replace soil or dirt that was excavated from the ground. This can include a garden site for raised beds or material to place behind a retaining wall.

Backfill is used to replace soil or dirt that was excavated from the ground. This can include a garden site for raised beds or material to place behind a retaining wall.

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## DriveWay Gravel Calculator

To calculate the amount of materials in cubic yards, multiply the length and average width of the driveway, in feet. If the driveway is curved, measure the length of the curve going down the center of the driveway.

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- Email all the saved calculations

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- Email all the saved calculations

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Features:

- Email all the saved calculations

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Features:

- Email all the saved calculations

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Mainly gray in color with some tint of blue. Average size is about is between nickels and quarters which makes this an excellent product to spread on driveways as a topcoat. Because of the drainage properties of this stone, it stays relatively clean in your driveway keeping dirt and dust off your shoes and out of the house.

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Snow-related building collapses are usually caused by heavy loads of snow on roofs, so this season has been unique because of the extreme weather. Recent rain and sleet made the situation even worse, since the rain could get soaked up by the snow and add even more weight to roofs.

## L Shaped Room Calculator

Many homes contain rooms that are shaped like an L rather than a perfect rectangle. If you need to know the area and perimeter of an L-shaped room for remodeling purposes, you can calculate these measures easily by hand or with the calculator on the left.

An L-shape has six sides, five concave corners, and one convex corner. For purposes of calculation, you only need to know the width and length of the outer part of the L, and the width and length of the inner part of the L.

## Grout Calculator

Grout is a construction material used to embed rebars in masonry walls, connect sections of pre-cast concrete, fill voids, and seal joints (like those between tiles). Grout is generally composed of a mixture of water, cement, sand, often color tint, and sometimes fine gravel (if it is being used to fill the cores of cement blocks). It is applied as a thick emulsion and hardens over time, much like its close relative mortar.

Use this tool to calculate the approximate amount of grout needed to complete your job. Coverage's provided are approximate and are for estimating purposes only.

The volume of grout needed to fill the space between tiles depends on the total size of the tiled area, tile size, space between the tiles, and depth of the grout. If you know the values of these project parameters, you can accurately estimate the cubic inches, cubic feet, or gallons of grout needed.

Use this tool to calculate the approximate amount of grout needed to complete your job. Coverage's provided are approximate and are for estimating purposes only.

The volume of grout needed to fill the space between tiles depends on the total size of the tiled area, tile size, space between the tiles, and depth of the grout. If you know the values of these project parameters, you can accurately estimate the cubic inches, cubic feet, or gallons of grout needed.