These are the latest published posts for the home page one new video was added for post 19.

19Solutions for Block ShearCoped Beam Problems
The post includes two solved problems for block shearcoped beam. The first solved problem for UBS =1 and the second solved problem for UBS=1/2.

18The Effective Area for a BuiltUp Section
The Effective Area for a BuiltUp Section. In this post, we will check a practice problem for a builtup section, which is problem no.319 quoted from Prof. Mccormack’s bookfifth edition. It is required to compute the effective net area of the builtup section shown in fig 319. If the holes are punched for 3/4 inches. …
The home page published posts for Bolted Connection.

7A Solved problem 121part 2connection nominal load.
solved problem 121part 2. How to use table 74 to calculate the bearing nominal load? What will be the final factored nominal load?

7 A solved problem 121 for bearing connections.
Solved problem 121. it is required to estimate the design strength of a bearing type connection. All the values of nominal loads due to failure modes are estimated.
The compression members’ posts include 28 posts with full descriptions and solved examples with descriptive images. Please trefer to the list of compression memebers for the various parts to check the content.

28Solved problem 414 part 2 for effective length factor.
Solved problem 414 part 2 for the effective length factor, estimate k effective length factor with respect to the inelastic buckling.
Engineering Economy
Engineering economy is an important subject, and the posts include the definition and solved problems. the total number of posts is 13 posts, the last four posts are shown next. lease trefer to the list of engineering economics for the various parts to check the content.

13Solved problems, Deposit value for uniform series.
Two solved problems, How to find deposit value for uniform series? detailed illustrations for the solved problems are given.

12Solved problemFuture value for uniform series deposits.
A solved problem, How to find Future value for uniform series deposits? three different methods are used, Cash flow moments, interest table, Excel function.

11a Derive the P and F relation as cash flow moment.
In this post, we will derive Derive the P and F relation as cash flow moment. Two Solved problems are given to illustrate the idea.
The home page published posts for discrete Math.

8Complements of a set, Cumulative, associative of sets.
The complement of a set, cumulative, associative distributive properties of sets, What are the ordered pairs? solved examples are included.

7Universal set Subsets of sets.
What are the subsets of sets and the universal set?solved problems are given for these items.

6 Easy approach what is Roster notation for sets?
Introduction to Roster notation. the symbols that are used with given solved examples.
The first moment of areaplain shapes
A complete illustration for the first moment of area, how to determine the area by the integration? How do we get the distance of Cg for a given axis? Plain areas are illustrated.

9 Easy approach to Area and Cg for a Parallelogram.
The post includes the steps needed to get the area and Cg for a Parallelogram. This is done by getting the first moments of areas about two external axes.

8 Easy illustration for Area and Cg of a Trapezium.
The post includes the steps needed to get the area and CG of a Trapezium. This is done by getting the first moments of areas about two external axes.

7 How to find Area and Cg for a rectangle?
How to determine the area and Cg for a rectangle? The rectangle area and GC values are obtained by integration of infinitesimal area about external axes.
The first moment of arearound shapes posts.
A complete illustration for the first moment of area, for round shapes. Shapes include circles, tubular shafts, and semicircles.

5How to find the area and Cg for a circular segment?
How do you determine the area and Cg for a circular segment? We will deduct the area of two triangles from the area of the circular sector.

4How to find the area and Cg for a circular sector?
How do you determine the area and Cg for a circular sector? Use the integration of small area dA to get the value of the area and the Cg distance.

3How to find the area and Cg for a semicircle?
How do you determine the area and Cg for a semicircle? Use the integration of small area dA to get the value of the area and the Cg distance.
Introduction to structural steel posts.
This category includes the basic data for structural steel, what is the information for steel sections? how do we estimate the LRFD and ASD design loads for steel members?

5 A solved problem for Load combination.
In this post, we have a solved problem for load combination. In which Dead load& floor live load & roof live load and snow load are given, it is required to estimate the load combinations.

4 Easy introduction to structural loadsLRFD and ASD.
A discussion of the various types of structural loads is introduced. An introduction to LRFd and Asd design is given.

3Structural steel sectionsan easy approach.
The post includes a discussion about the structural steel sections, the symbols used for each section, and the main differences inbetween.
Moment of inertia posts.
The Moment of inertia is an important subject in statics. The posts include how to find the proofs of the values of inertia for different common shapes.

22 Easy illustration of Iy for the Trapezium.
Moment of inertia Iy for the Trapezium, How to get the Iy value for the trapezium? and how to get the polar of inertia?

21 How to find Moment of Inertia Iy for Parallelogram?
Moment of inertia Iy for parallelogram. For a more detailed view, please click on each image to enlarge it. You can also review a slide show for all the images. Divide into areas and estimate inertia for each individual area about the yaxis. The post includes how to estimate the moment of inertia Iy for …
21 How to find Moment of Inertia Iy for Parallelogram? Read More »

20How to get a moment of Inertia Ix for Parallelogram?
Moment of inertia Ix for parallelogram. You can click on any picture to enlarge then press the small arrow at the right to review all the other images as a slide show. Divide into areas and estimate inertia for each individual area about the xaxis. The post includes how to estimate the moment of inertia …
20How to get a moment of Inertia Ix for Parallelogram? Read More »

14 A solved probleminertia value for a given direction.
A solved probleminertia value for a given direction. how to get Ix’, Iy’and Ix’y’ about new axes that have 30 degrees rotation clockwise.

13 A solved problem for Mohr’s circle of inertia case 4.
A solved problem for Mohr’s circle of inertia case 4. In this post, we will introduce a solved problem for Mohr’s circle of inertia case 4. The moment of inertia about Xaxis Ix is lesser than the moment of inertia about Yaxis Iy and the product of inertia Ixy is negative. The given solved problem …
13 A solved problem for Mohr’s circle of inertia case 4. Read More »

12 Easy Approach to Mohr’s circle of inertiafourth case.
The post includes Mohr’s circle of inertiafourth case. How to find the principal two axes’ orientation and the maximum and minimum values of inertia?
Linear algebramatrices posts.

9 How to Use a matrix for the quadratic function?
How to Use a matrix for the quadratic function? Three solved problems are used to find the quadratic functions by using a matrix.

8Practice problem for reduced echelon form.
Practice problem for reduced echelon form. How to determine whether the given matrix is in R echelon form or not? The second part is Application for traffic flow by matrix.

7b Practice problems for Gauss Jordan elimination.
Practice problems for Gauss Jordan elimination are introduced. Step by step guide for solving these problems.
Numerical analysis
The numerical analysis falls into several subdivisions, as follows
Introduction to numerical analysis.
Solving nonlinear equations posts.

9Maximum deflection distance by NewtonRaphson method.
Maximum deflection distance for a simply supported beam under triangular load numerically. How to use the NewtonRaphson method for root findings?

8 Structural analysis numerically by NewtonRaphson method.
Perform structural analysis using the NewtonRaphson method for a beam under uniformly distributed load and get the maximum deflection point location.

7 An Easy guide to Modified NewtonRaphson method.
The Modified NewtonRaphson method is another method for root finding. A simple modification to the previous method of Newton Raphson was introduced.
Solution of linear equationsNumerical analysis.

14aSolution of linear systems by LUpartial pivoting2/2
linear systems by LUpartial pivoting2/2. We will estimate the inverse of matrix A to get the values of the three unkowns.

14Solution of linear systems by LUpartial pivoting1/2.
This is the first part of the solution of linear systems by LUpartial pivoting. We want to find the value of the three unknowns by using Lupartial pivot

13How to get x1,x2,x3using Gaussianpartial pivoting?
In this post, we have a discussion, new solved problem for which our concern is How to get x1,x2,x3using Gaussianpartial pivot?. we have a partial pivot at due to zero value of a11.
Interpolation.

2dSolved problems for Newtondivided differences
Two Solved problems for Newtondivided differences are given for more information about the method.

2c What is Newtondivided difference interpolation?
Learn about deriving the expression of NewtonDivided difference interpolation function and how to derive the expression.

2b Solved problems for quadratic interpolation
Solved problems for quadratic interpolation. In both two solved problems three points, are given and used to get the quadratic interpolation function.
Steel Beams.
The steel beams posts have 40 posts, with solved problems and illustrative images.

List of Steel beam Postspart4.
Steel beam postspart4. from steel beam post 31 to post 40. For all different subjects for the steel beams and solved problems.

List of Steel beam Postspart3.
Steel beam postspart3 includes the posts from post 21 to post 30. For all different subjects for the steel beams and solved problems.

List of Steel beam postspart2
List of Steel beam Postspart2 for all the different items for the structural steel beams included and solved problems.
Tension Members.
There are 20 posts for the Tension members containing illustrations and solved problems all posts have descriptive images. two posts are shwn as an example.

19Solutions for Block ShearCoped Beam Problems
The post includes two solved problems for block shearcoped beam. The first solved problem for UBS =1 and the second solved problem for UBS=1/2.

9dHow to get an Effective area for a staggered bolted angle?
Two solved problems, the first problem includes how to get an Effective area for a staggered bolted angle. The second problem is how to five service load capacity for a staggered angle.
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