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Sunday, May 27, 2012

Unit Weight of Slit Tee


In continuation with my earlier post let us discuss about Slit Tee. It is similar to ISNT by the shape, However Slit tees are made by splitting a beam down the web yielding a pairs of Tee.

ISMT’s are slit from ISMB (Medium Weight Beams) and ISHT’s are slit from ISHB.Based on the requirement it is cut from universal Beam and universal column.

Slit Tee Bars are classified as per IS 1173: 1978.Unit Weights of Slit Tee's are below.
For More Information about Tee Sections Click  TEE
For Unit Weight of Nominal Tee Click  ISNT
For Unit Weight of Deep Legged Tee Click ISDT
For More Details about Hot Rolled Steel Click IS : 808

Best Quote. "Courage is what it takes to stand up and speak. Courage is also what it takes to sit down and listen " Have a Nice Day.

Sunday, May 20, 2012

TORQUE

Dear Readers,

Being a Construction Engineer, We often used a word "Torque" during tighten the bolts. Let us discuss about Torque.

Torque is a force that tends to rotate or turn things. You can generate a torque any time that you apply a force by using a wrench / Spanner. When you use a wrench, you apply a force to the handle. This force creates a torque on the nut, which tends to turn the nut.
Torque is a measure of the turning force on an object such as a bolt or Nut. For example, pushing or pulling the handle of a wrench connected to a nut or bolt produces a torque (turning force) that loosens or tightens the nut or bolt.

The torque units contain a distance and a force. To calculate the torque, you just multiply the force by the distance from the centre. English units of torque are pound-inches (lbf.in) or pound-feet (lbf.ft.); the SI unit is the Newton-meter (Nm); the Metric unit is Kilogram Force Meter (Kgf.m) / (Kgm)

Torque Conversion factors
Newton Meter (Nm) to Foot Pounds (lbf.ft) = [1Nm = 0.738 lbf.ft]
Kilogram Force Meter (Kgf.m) to Newton Meter (Nm)=[1 Kgm=9.80 Nm]

How to calculate the Torque and Torque Values  / Charts will be followed my Next Post
Best Quote. "Never leave that till tomorrow which you can do today" Have a Nice Day.

Tuesday, May 1, 2012

Elliptical Hollow Section (EHS)

Dear Readers, Wish you a Happy Mayday.

In recent years Elliptical hollow sections (EHS) have emerged to the hot-finished product range for tubular construction.

It is relatively new shape of high strength and it is attracted significant attention from engineers and architects owing to their complementary qualities of aesthetic appearance and structural efficiency. The distinctive varying curvature around the section is not only aesthetically appealing but also offers differing flexural rigidities about the two principal axes and high torsional stiffness. This cross-section creates an interesting alternative for engineers and architects in a broad range of design applications. It is also called Ellipcon section. They come in two shapes

1. Ellipcon section (Is an Ellipse)
2. Semi Ellipcon section (Half of an ellipse / D-Shape)

Both shapes are given the structure very outstanding architectural looks and the section having much structural advantage as it is like hollow section. Some of the advantages are listed below
• These Ellipcon sections are good alternate to traditional sections and they have all structural properties similar to hot hollow sections
• EHS (Elliptical Hollow Section) have greater bending capacity than the CHS (Circular Hollow Section) of the same area / Weight

• For structures with limited space these new section might provide design solution and increasing the open floor area

• For Non-Symmetric load situations this section would be more cost effective

The Ellipcon sections have constant external dimension with in the same size only thickness is increasing. EHS are generally produced with major to minor outside dimensions of 2:1
It is designated as Width X Height X Thickness, Weight is measured Kg/meter. Unit Weight of both sections will be followed my next post

For More Details about Other Hollow Section Please Click HSS
For More Details about Other Steel Section Please Click Steel
Best Quote. "Never lose faith in yourself; you can do anything in the universe". Have a Nice Day
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