Spandrel Beam Definition-

Properties of Spandrel Beam:

• Beams attached to a flanged floor beam instead of a rectangular floor beam create an increased ability to absorb torsional tension.
• The torsional action of the spandrel beams is important since the load of the slab is transferred from the beams to the column.

Features Regarding Spandrel Beams:

• Spandrel beam is provided along the exterior wall of the house.
• Spandrel beams may be mounted between the sill of the window and the head of the window.
• Spandrel beams may be stretched horizontally from one column to another in steel or R.C.C systems. These systems will support the wall as well.
• The parapets are placed over the roofs of roof frameworks.

Advantages of Spandrel Beam:

1. The exterior walls of the multi-story structure are supported by spandrel beams.
2. For buildings with large beam-column links, the use of a spandrel beam is advised to increase seismic efficiency. These uses of spandrel beam include both longitudinal and transverse reinforcement.
3. Spandrel beams improve the lateral stability of steel and concrete.
4. Spandrel beam is used along with coupled shear walls to improve stiffness and ductility against earthquake activity.
5. Spandrel beams provide protection for exterior side openings such as windows, shear walls, and lintels.
6. Spandrel beams have extra support on the outside walls of a multi-storey structure.
7. Spandrel beams for both longitudinal and transverse reinforcement, which increase the seismic performance of the structure, are favored for large beam-column ties.

Disadvantages of Spandrel Beam:

1. Since spandrel beams are mounted on the outside of a structure, they are often more vulnerable to moisture than floor beams resulting in the deterioration or corrosion of reinforcing steels.
2. As a result of cracking and chewing asphalt, substantial money is spent on reconstruction.

Uses of Spandrel Beam:

1. Spandrel beams have been used in multi-story structures on each floor.
2. They are attached as a belt to the outer perimeter of the floor slab to support the floor beam.
3. In addition, it enhances the connection between both the slab as well as the outer columns.
4. The parapets are mounted above such beams on the roofs.
5. The spandrel beam is built to transfer the load of the outer wall and the load of the slab from the slab to the outer column, and then the whole load is transferred across the column to the foundation.
6. This produces a dynamic load management mechanism.

Spandrel Beam Design:

• Internal torsion and shearing.
• End of beam torsion.
• The link to the internet.
• Transfer of the Load.
• The web flexion arising from the torsion balance.
• Ledge serving as a corbel at the end of the beam reaction.
• Flexure of the beam.

#1. Internal Torsion and Shear-

#2. Beam End Torsion-

#3. Ledge Attachment-

#4. Ledge Load Transfer-

#5. Web Flexure Resulting from Torsion Equilibrium-

#6. Ledge Acting as a Corbel at Beam End Reaction-

#7. Beam Flexure-

What Is Spandrel?

Spandrel Beam

Spandrel Beam Definition

Concrete Spandrel

Advantages of Spandrel Beam:

• Spandrel beams impart extra strength to the outer sides of a multi-story building.
• These beams increase the lateral stiffness of steel and concrete structures. ...
• Spandrel beams are used in coupled shear walls to produce sufficient stiffness and ductility against earthquake activities.

Disadvantages of Spandrel Beam:

• Spandrel beams are located at the exterior edges of the building which is more prone to atmospheric moisture. This results in deterioration of concrete due to corrosion.
• Spandrel beams due to weathering actions are subjected to cracking and spalling of concrete.

Uses of Spandrel Beam:

• Spandrel beams increase the lateral stiffness of steel and concrete.
•  Spandrel beams are used along with coupled shear walls to increase stiffness and ductility against earthquake activities.
• Spandrel beams provide support for external side openings like windows, along with shear walls and lintels.

Properties of Spandrel Beam:

• Beams attached to a flanged floor beam instead of a rectangular floor beam create an increased ability to resist torsional stresses.
• The torsional behavior of the spandrel beams is crucial function because the slab load is basically transmitted by the torsion from the beams to the column.

What Is a Spandrel?

What Is a Spandrel Beam?

Spandrel Girder

Perimeter Beam

Grade Beam Vs Tie Beam

Spandrel Beam Vs Girder

Spandrel Beam in Staircase

Non Spandrel Beam

Peripheral Beam

Steel Spandrel Beam

Disadvantages of a Beam and Column Bridge

• Span limitations: Beam bridges have a limited span and do not allow large boats or vehicles to pass underneath.
• Heavy boat traffic: Mostly heavy boat traffic or large ships cannot pass underneath a beam bridge.

Lintel Beam Meaning

Stranger Beam

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