• ## 18-The Effective Area for a Built-Up Section

The Effective Area for a Built-Up Section. In this post, we will check a practice problem for a built-up section, which is problem no.3-19 quoted from Prof. Mccormack’s book-fifth edition. It is required to compute the effective net area of the built-up section shown in fig 3-19. If the holes are punched for 3/4 inches. …

• ## 17-Problem 3-4-3 for MC section-LRFD and ASD value-2/2.

This is the second part, of problem 3-4-3 MC section-LRFD and ASD value. We will estimate the effective area. Finally, we can get the strength values.

• ## 16-Problem 3-4-3 for staggered bolts-tension members-1/2.

Problem 3-4-3 for staggered bolts-tension members. It is required to get the factored design strength for a given MC section with staggered bolts.

• ## 15A-Solved problem 3-8-1 for staggered Bolts

Solved problem 3-8-1 for staggered Bolts. the solved problem for the estimation of the net area for the different routes under tension force and how to modify these values due to load transfer.

## 7A- Solved problem 12-1-part 2-connection nominal load.

solved problem 12-1-part 2. How to use table 7-4 to calculate the bearing nominal load? What will be the final…

## 7- A solved problem 12-1 for bearing connections.

Solved problem 12-1. it is required to estimate the design strength of a bearing type connection. All the values of…

## 6a-Solved problem 10-1-how to get Bearing value-ASD?3-3.

The post includes the second part of the solved problem 10-1. It is required to estimate bearing value-ASD for a…

## 6-Solved problem 10-1-how to get Bearing value-LRFD? 2-3.

The post includes the second part of the solved problem 10-1. It is required to estimate bearing value-lrfd for a…

## 5- A solved problem 10-1-for bearing connection-1-3.

The post includes the first part of the solved problem 10-1-for bearing. It is required to estimate the shear force…

The compression members’ posts include 28 posts with full descriptions and solved examples with descriptive images.

## List of compression Member Posts-part 3.

This is the list of compression Member Posts-part 3, with their relevant links….

## List of compression Member Posts-part 2.

This is the compression member posts-part 2. A detailed description of each post is included their relevant links …

## 28-Solved problem 4-14 part 2 for effective length factor.

Solved problem 4-14 part 2 for the effective length factor, estimate k effective length factor with respect to the inelastic…

## 27-Solved problem 4-14-columns effective length factor-1/2.

Solved problem 4-14 for the effective length factor, Determine the effective length factors with respect to each axis for member…

## 26-Solved problem 4-13 to estimate stiffness reduction τb.

A solved problem 4-13 from Prof. Segui’s book. we are going to estimate the reduction stress factor τb, for a…

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### Engineering Economy

Engineering economy is an important subject, the posts include the definition and solved problems. the total number of posts is 13 posts, the last four posts are shown next.

## 13-Solved 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….

## 12-Solved problem-Future 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,…

## 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…

## 11- What is the similarity between cash flows and forces?

A step-by-step guide to illustrating the similarity between cash flows and forces How to find positive or negative moments?…

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• ## 15A-Solved problem 3-8-1 for staggered Bolts

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### The first moment of area-plain 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…

## 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…

## 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…

### The first moment of area-round shapes posts.

A complete illustration for the first moment of area, for round shapes. Shapes include circles, tubular shafts, and semi-circles.

• ## 16-Problem 3-4-3 for staggered bolts-tension members-1/2.

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### 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?

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• ## 15A-Solved problem 3-8-1 for staggered Bolts

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### 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…

## 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…

## 20-How 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…

## 19- Easy illustration of Ix for the Trapezium.

Moment of inertia Ix for the Trapezium, step by step procedure to get the Ix value for the trapezium by…

## 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…

## 8-Practice 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?…

## 7b- Practice problems for Gauss Jordan elimination.

Practice problems for Gauss Jordan elimination are introduced. Step by step guide for solving these problems….

## 7a- Practice problems for back substitution.

Practice problems for back substitution for matrices. Step by step illustration of the process of back substitution….

### Numerical analysis

The numerical analysis falls into several subdivisions, as follows
Introduction to numerical analysis.

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## 14a-Solution of linear systems by LU-partial pivoting-2/2

linear systems by LU-partial pivoting-2/2. We will estimate the inverse of matrix A to get the values of the three…

## 14-Solution of linear systems by LU-partial pivoting-1/2.

This is the first part of the solution of linear systems by LU-partial pivoting. We want to find the value…

## 13-How to get x1,x2,x3-using Gaussian-partial pivoting?

In this post, we have a discussion, new solved problem for which our concern is How to get x1,x2,x3-using Gaussian-partial…

## 12- Solved example for LU decomposition-partial pivoting.

In this post, there is a Solved Example for LU decomposition-partial pivoting. A step-by-step guide to find the values of…

## 2c- What is Newton-divided difference interpolation?

Learn about deriving the expression of Newton-Divided 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…

## 2a- Easy introduction to quadratic interpolation

Introduction to quadratic interpolation, how to derive the expression of it? The Vandermonde matrix and how to get its inverse…

## List of Steel beam Posts-part-4.

Steel beam posts-part-4. from steel beam post 31 to post 40. For all different subjects for the steel beams and…

## List of Steel beam Posts-part-3.

Steel beam posts-part-3 includes the posts from post 21 to post 30. For all different subjects for the steel beams…

## List of Steel beam posts-part-2

List of Steel beam Posts-part-2 for all the different items for the structural steel beams included and solved problems….

## 40- Easy Design of steel section for continuous beam-4-4

The steel section for continuous beam is based on the maximum value of the moments according to the 0.90 rule….

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### Tension Members.

There are 17 posts for the Tension members containing illustrations and solved problems all posts have descriptive images.

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## 18-The Effective Area for a Built-Up Section

The Effective Area for a Built-Up Section. In this post, we will check a practice problem for a built-up section, which…

## 17-Problem 3-4-3 for MC section-LRFD and ASD value-2/2.

This is the second part, of problem 3-4-3 MC section-LRFD and ASD value. We will estimate the effective area. Finally,…

## 16-Problem 3-4-3 for staggered bolts-tension members-1/2.

Problem 3-4-3 for staggered bolts-tension members. It is required to get the factored design strength for a given MC …

## 15A-Solved problem 3-8-1 for staggered Bolts

Solved problem 3-8-1 for staggered Bolts. the solved problem for the estimation of the net area for the different routes…

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