Quick Answer: What Is An Outrigger In Construction?

What is an outrigger?

1a: a projection with a float or a shaped log at the end attached to a boat to prevent capsizing. b: a spar or projecting beam run out from a ship’s side to help secure the masts or from a mast to extend a rope or sail. 2: a boat equipped with an outrigger.

What is a core and outrigger structural system?

Outrigger structural system is an interior lateral load resisting system that is located within the interior of the building. It consists of a core structure connected to the perimeter columns of the building by means of structural members called outriggers.

What is an outrigger scaffold?

Outrigger: The structural member of a supported scaffold used to increase the base width of a scaffold in order to provide support for and increased stability of the scaffold.

What is outrigger truss?

The outrigger and belt truss system is one of the lateral loads resisting system in which the external columns are tied to the central core wall with very stiff outriggers and belt truss at one or more levels. Outrigger and belt trusses, connect planar vertical trusses and exterior frame columns.

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What is an outrigger used for?

In fishing from vessels, an outrigger is a pole or series of poles that allow boats to trawl more lines in the water without tangling and simulates a school of fish.

Are outriggers worth it?

If you’re planning on adding a sail, or want to turn your rec boat into a fishing platform, outriggers are a great solution. They’re also a good investment if you find that as a tall, heavy angler, you need more balance than your ‘yak can deliver. 1 Thinking of Rigging Outriggers?

What is a rigid frame structure?

In structural engineering, a rigid frame is the load-resisting skeleton constructed with straight or curved members interconnected by mostly rigid connections, which resist movements induced at the joints of members. Its members can take bending moment, shear, and axial loads.

What is the purpose of shear wall?

Shear wall, In building construction, a rigid vertical diaphragm capable of transferring lateral forces from exterior walls, floors, and roofs to the ground foundation in a direction parallel to their planes.

What is core in high rise building?

CORE DESIGN. The central of arterial part of a multistory building that integrates functions and service needs for established occupants. Such areas are normally composed of toilet facilities, elevator banks, janitors’ closet, utilities, mechanical facilities, smoke shafts and stair.

What is a bearer or Putlog?

Bearer (putlog means a horizontal transverse scaffold member (which may be supported by ledgers or runners) upon which the scaffold plat-form rests and which joins scaffold uprights, posts, poles, and similar members.

How high can you build a scaffold?

A competent person should determine the fall protection for employees working on supported scaffolds. Construction scaffolding safety is paramount. OSHA further states that scaffolds more than 125 feet in height above the base must be designed by a professional registered engineer.

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What is the maximum height for scaffolding?

… a free standing scaffold shall be considered safe when the total height is equal to or less than four times the minimum or least base dimension.


Model (not using outriggers) Total height* at which restraint is required
4-foot (26 inches wide) over 8.668 feet
6-foot (29 inches wide) over 9.668 feet

What is a hat truss?

To engage all exterior columns together, instead of just the outrigger connected columns, a perimeter truss is used to “tie” together all columns. A perimeter truss located at the top of the structure is classified as a “hat” or “captruss while trusses located in other locations can be called “belt” trusses.

What is an outrigger on a crane?

Outrigger: A beam which extends from the lower works of a crane to increase the crane’s stability. The beams may be either extendible/retractible or fixed length and typically utilize some type of pad to distribute loads to the ground surface. ( Source: A Glossary of Common Crane and Rigging Terms.

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