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# Top 5 Tips For Civil Engineering Must Know

If you are a civil engineer then you must know all these things which are explained here in The Civil Experiences blog.
Follow us and share with friends if you gain some valuable information from us. which motivates us for providing more and more useful information for you.

## Tip 1:- Chair Spacing

### What is the maximum chair spacing?

Maximum Spacing between two chairs is 1 meter

### What is a chair?

The chair is a reinforcement bar peace of special shape for providing maintaining the proper space between two-layer (top layer and bottom layer) slabs reinforcements.
Chair reinforcement is used to keep reinforcements at the right position in the element Because the designer set reinforcement at the optimum position to safeguard from corrosion, and fire, and also from an economical point of view.
That is done by either using wire or plastic chairs, or little blocks of concrete.

## Tip 2:- Number of stirrups

A stirrup is a closed-loop element of reinforcement bar, which has the main function of holding the main reinforcement bars at the right position together in a reinforced concrete element of beam/columns
The main use of stirrups is better to manage the shear capacity in the building element.

### What is the difference between the stirrup and lateral tie?

Stirrups are used for shear capacity and torsional reinforcement and have many different sections based on the need. Ties are typically

## Tip 3:- Minimum thickness of the slab

Normally not less than 5 inches or 125 mm

After it depends on the structure design of the construction building
You can refer to my article about the design of one way slabs design and two way slab design

## Tip 4:- Dimension Tolerance of Cube

Dimension tolerance of cube Is ” + or – 2 mm “
Interview question

### Why cube size is 150 x 150 x 150 mm or 100 x 100 x 100 mm?

Compresion testing cube is normally 150 x 150 x 150 mm or 100 x 100 x 100 mm
Size does not matter but if we use a larger size cube for testing then we need a testing machine which a capacity of tons and has larger pressure for testing the cube during the time of failure particles of the cube is behaving like a bullet and the chances of damage and hurt people

## Tip 5:- Brick

The compressive strength of brick is 3.5 N/mm2
The density of brick is 1600-1900 kg/m3

## Extra Tip:- lapping

Lapping does not provide if reinforcements bars are 32 mm or more in size

It is my pleasure to welcome you to civilexperiences.com, a website created and managed by Dudhat Aakash. In addition to having a Bachelor's degree in Civil Engineering