One new video was added for post 19 solutions for blockshearcoped beam problems.

6bPractice problem 523verify Zx for W18x50
Practice problem 523verify Zx for W18x50.We convert the W section into two Wt9x25 and get the required Zx value.

8A Solved problem 5part 2 for design shear strength
Solved problem 5part 2 for design shear strength. It is required to find the design shear strength for A 490N and A 490X bolts for different types of bolts.
The home page published posts that included bolted Connection.

8A Solved problem 5part 2 for design shear strength
Solved problem 5part 2 for design shear strength. It is required to find the design shear strength for A 490N and A 490X bolts for different types of bolts.

8 Solved problem 5part 1 for design shear strength
Solved problem 5part 1 for design shear strength. It is required to find the design shear strength for different types of bolts with different diameters.

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?
The compression members’ posts include 28 posts with full descriptions and solved examples with descriptive images. Please refer to the list of compression members for the various parts to check the content.

28Solved problem 414 part 2 for effective length factor.
Solved problem 414 part 2 for effective length factor. the detailed calculation for both LRFD and ASD designs.
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. Please refer to the list of engineering economics for the various parts to check the content. Please refer to the categories for more details.
The home page published posts for discrete MATHPlease refer to the categories to review.
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.

10 Practice problem for the x and y coordinates of a trapezoid
Practice problem for the x and y coordinates of a trapezoid. A step by step guide is given by using two options

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.
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.

6 Practice problem 58. Find the centroid for the shaded area
Practice problem 58. Find the centroid for the shaded area. using integration we will find the x bar and y bar of the centroid for a composite shape.

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.
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?

5A 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.
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.

27Two Practice problems for Ixy for trapezium.
The post includes Two Practice problems for Ixy for trapezium. The first problem is for Ixy about an external axis, while the second is for Ixy at the CG.

26Two Practice problems for polar of inertia for trapezium.
The post includes Two Practice problems for polar of inertia for trapezium. The first problem is for Jo and Ko at an external axis, while the second is for Jo and Ko at the CG.

25Two Practice problems for inertia for trapezium.
We have two practice problems for inertia and radius of gyration for a given trapezium. A stepbystep guide to get Ix and kx.
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.

7ASolved problem8 by Modified NewtonRaphson method
A solved problem8 by modified newton Raphson Method. A stepbystep guide comparison is made between the newton method and the modified Newton Raphson method.
Solution of linear equationsNumerical analysis. Please refer to the categories for more details.

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. there are several posts for interpolation, please refer to the categories for more details.

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. Please refer to the categories for more details.
Tension Members.
There are more than 20 posts for the Tension members containing illustrations and solved problems all posts have descriptive images. Please refer to the categories for more details.
How to contact me?