If you are designing a building with concrete beams and columns, how do you determine a starting member size, or the amount of reinforcement required? While many engineers will use a spreadsheet or computer program for the final design, what simplified methods can be used to arrive at a preliminary design for a beam or column?

In an article in the April 2013 issue of Structure Magazine, Jerod Johnson, PhD, SE, from Reaveley Engineers + Associates in Salt Lake City, Utah, writes about Simplified Methods in Reinforced Concrete Design, and discusses not only what these simplified methods are, but also shows how these approximate methods relate to a more rigorous analysis.

Included in this article are tips for determining initial sizes for beams based on span-to-depth ratios, calculating an initial required area of steel for beams, and developing an interaction curve for columns based on two points.

Do you use other simplified methods or “rules of thumb” for concrete design? Share your favorite tip in the comments below!

“Think about what really makes you smile… Ask yourself what you would do if you didn’t need the money. Ask yourself what really excites you. And what would inspire you to keep going long after most people would quit. Find those answers and therein lies your dream. We all have our own personal Everest, and if we follow its calling, that is when life truly becomes an adventure.”

This quote is taken from Chapter 1 of Bear Grylls’ book “A Survival Guide for Life: How to Achieve your Goals, Thrive in Adversity, and Grow in Character.” My 13 year old daughter loves reading survival books and has built a multitude of forts in the woods across from our house, and now she has me watching Bear Gryll’s shows and reading his books. I highly recommend this book. I think one of the biggest challenges in life is finding how to make a living out of doing something associated with your passion. Bear Grylls’ book is great reading and will help you pick up many tips for improving your life.

As a niche recruiting company focusing on the structural engineering industry, one of our primary goals is to help people find career opportunities that will allow them to be passionate about their work and improve their lives. Check out the Hot Jobs portion of our website for some of the opportunities we currently have available. We will also be unveiling a new website soon to better serve you.

Have a great February!

Have you subscribed yet to the free emails from Craig Jarrow, author of TimeManagementNinja.com? If not, you owe it to yourself to do it NOW! Craig does a wonderful job of posting useful information that can help you in many areas of your life, both professionally as well as personally.

Here are a few of his top posts for 2013…

21 Ways to Define a Positive Attitude

29 Ways You’re Wasting Time Today

6 Ways to Empty Your Head and Get to Bed

10 Big Differences Between Goals and Dreams

12 Apps I Use Every Day to Be Productive

If you have already subscribed to this and have found it beneficial, please let me know.

Have a Wonderful and SAFE Holiday Season!

In performing engineering calculations, there are often times when you have to interpolate between values to get an answer to use in an equation. We know that similar triangles can be used to find that intermediate value, but how can we automate the process?

In Excel, the Trend function works well when you are trying to identify a number along a straight line. As long as you have your known X and Y values, and the new X value, you can easily determine the new Y value.

The format for the Trend Function is: =TREND(Known_y’s,Known_x’s,New_x)

As an example, when determining the seismic base shear, the Fa value must be calculated. This value is found through Table 1613.3.3(1) in IBC 2012, and is based on the site category, along with the Short Period Acceleration. If your Acceleration does not match one of the table values, then you need to interpolate between the adjacent values in order to determine Fa. The Trend function can be used to do this directly by using the Ss values bounding the actual value, and the corresponding bounding Fa values based on the Site Class.

Example in Excel for using the Trend Function to Calculate Fa for Seismic Load

he formula as written in cell C5 is: =TREND(G5:H5,G4:H4,C3)

SE Solutions was pleased to recently present scholarships to two Purdue MSCE-Structures students to help defray the cost of their education. Joseph (Joey) Jones, EIT and Raymond (Ray) Chou, EIT were the recipients of the awards. This is the second year that SE Solutions has offered the scholarships.

Purdue University Scholarship Winners

Purdue University MSCE Students and Scholarship Winners Joey Jones (left) and Ray Chou (middle), with SE Solutions, LLC President Brian Quinn

Ray received his BSCE from Purdue and will be finishing his MSCE this December (2013). He is interested in finding a position in structural engineering in the Midwest after graduating. Ray is from New London, Missouri. For additional background on Ray, please see his Linkedin profile athttp://www.linkedin.com/pub/raymond-chou/83/a23/311.

Joey received his BSCE from the University of Washington and will be finishing his MSCE this December (2013). He is interested in finding a position in structural engineering in the Northwest after graduating. Joey is from Ellensburg, Washington. For additional background on Joey, please see his Linkedin profile athttp://www.linkedin.com/pub/joseph-jones/68/450/176.

The rising costs of education and the decrease in funding available through teaching and research assistantships has made it increasingly challenging for students to afford higher education and advanced degrees. SE Solutions is happy to contribute in a small way to help Ray and Joey meet their educational goals, and we look forward to seeing them enhance the structural engineering profession.

SE Solutions hopes to continue providing scholarships to structural engineering students in the future.

As I was trying to decide what to discuss for this month’s article, I thought a short quote I have posted in my office would be appropriate. This comes from Dale Carnegie’s book, “How to Win Friends and Influence People.” Dale said he cut this saying out and pasted it on his mirror where he would see it every day. (The author of the quote is not listed.)

“I shall pass this way but once; any good, therefore, that I can do or any kindness that I can show to any human being, let me do it now. Let me not defer nor neglect it, for I shall not pass this way again.”

This is a fairly easy saying to “agree” with, but yet another thing to live it out every day. However, I think pasting it to a mirror or having it somewhere visible where you can see it at the beginning of each day and reflect on it at the end of the day is helpful.

As always, if there is any way we can assist you, please don’t hesitate to contact us.

Best wishes to everyone for a healthy and happy October!

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