Important Civil Engineering Formulas and Metrics

If you are a civil engineer, you have to make may calculations in your head a lot, from every once in a while. Almost all of those will be related to the construction methodologies. Therefore, you need to remember quite a bunch of important civil engineering formulas and metrics. Today, we will list many such common construction formulas and information here.

The information and formulas here contain specifics that will help you to figure out essential details about steel bar weight per meter or total, construction materials quantity and weight, unit conversion criterion and factors, concrete grade ratios, and much more!

Important data in construction

A. Steel bar weights per meter

B. Length and other unit conversion figures

C. The weight of construction materials per unit volume

D. Concrete Grades

Concrete is graded according to its compressive strength or force. The grade is indicated by a number after the letter 'M'. The bigger the grade number, the stronger the concrete. For example, M5 < M10 < M30 etc.

The 'M' means 'Mix', and the number denotes the numerical figure of the compressive strength of that type of concrete (at 28 days). So, when someone says they have used M10 grade concrete, it means they have used a type of concrete mix that would be able to hold up to 100 grams of force applied per square millimeters of that concrete after at least 28 days of settling.

Following are the ratio specifics of common concrete grades:

Important formulas in construction

• Steel bars' weight: W is equal to (D ^ 2 x L) / 162 [D = dia of bar, L = length]
• Concrete: Width x Length x Height, divided by 27 = number of yards of concrete needed.
• Foundation Masonry Block: 8" high / 16" long / 3/8" mortar normal joint height.
• Roofing: Width x length, divided by 100 = number of squares of shingles needed.
• Siding: Width x Height, divided by 100 Square Feet = number of squares of siding needed.
• Carpet: Width of room x length of room, divided by 9 = number of square feet needed for room.
• Wood Siding: Width of board minus distance of lapping = coverage of wood siding per board.
• Width of area to be sided x height of area to be sided, divided by coverage calculated above = lineal feet of siding you need.
• Brick: 7 bricks = one square feet of coverage.
• Width of area to be covered x height of area to be covered, divided by 7 = number of bricks needed.
• Elevation Conversion: Elevation measured in 10ths per foot. 1 of elevation = one foot or 12" equals one foot.
• Normal measurement 12 inches per foot.

We hope the above information was useful to you. Please let us know your thoughts and suggestions using the contact portion below. Till next article, happy building!