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In structural engineering,(S) a shear wall is a wall composed of braced panels (also known as

shear panels) (C) to counter the effects(V) of lateral load acting on a structure(O). Wind and

earthquake(S) loads are the most common loads(V) braced wall lines are designed(C) to

counteract(O). Under severalbuilding codes,(S) including the International Building Code (where

it is called a braced wall line) and Uniform Building Code(O), all exterior wall lines in wood or

steel frame construction must be braced(C). Depending on the size of the building(S) some interior

walls must be braced as well.(C)

A typical timber shearwall(S) is to create braced panels(V) in the wall line using structural

polywood sheathing with specific nailing at the edges and supporting framing(C) of the panel(O).

A more traditional method(S) is to use let-in diagonal wood bracing throughout the wall line, and a

newer alternative is let-in metal T-bracing but these methods may not be viable for buildings withmany door and window openings and may not meet seismic or high wind zone codes.

Such walls(S) can be either(V) "load bearing" or "non-load bearing"(O).

Shear walls(S) are a type ofstructural system (C) that provides lateral resistance (V) to a building

or structure(O). They resist "in-plane" loads that are applied along its height. The applied load is

generally transferred to the wall by a diaphragm or collector ordrag member. They are built in

wood, concrete, and CMU (masonry).

Polywood(S) is the conventional material used in the construction of shear walls(C), but with

advances in technology and modern building methods(V), there are other prefabricated options

which have made it possible to inject shear assemblies into narrow walls that fall at either side of

an opening in a shear wall. Sheet steel and steel-backed shear panels(S) in the place of structural

Polywood in shear walls has proved(V) to be far stronger in seismic resistance(O).

Nonplanar Shear Walls(S) Due to functional requirements, the designer may choose non planarsections like C,L as opposed to the planar sections like rectangular/bar bell sections. Nonplanar

sections require 3D analysis and are a research area.

http://en.wikipedia.org/wiki/Structural_engineeringhttp://en.wikipedia.org/wiki/Lateral_loadhttp://en.wikipedia.org/wiki/Windhttp://en.wikipedia.org/wiki/Seismichttp://en.wikipedia.org/wiki/Building_codehttp://en.wikipedia.org/wiki/International_Building_Codehttp://en.wikipedia.org/wiki/Uniform_Building_Codehttp://en.wikipedia.org/wiki/Structural_systemhttp://en.wikipedia.org/wiki/Plane_(mathematics)http://en.wikipedia.org/wiki/Diaphragm_(structural_system)http://en.wikipedia.org/wiki/Drag_(physics)http://en.wikipedia.org/wiki/Woodhttp://en.wikipedia.org/wiki/Concretehttp://en.wikipedia.org/wiki/Masonryhttp://en.wikipedia.org/wiki/Structural_engineeringhttp://en.wikipedia.org/wiki/Lateral_loadhttp://en.wikipedia.org/wiki/Windhttp://en.wikipedia.org/wiki/Seismichttp://en.wikipedia.org/wiki/Building_codehttp://en.wikipedia.org/wiki/International_Building_Codehttp://en.wikipedia.org/wiki/Uniform_Building_Codehttp://en.wikipedia.org/wiki/Structural_systemhttp://en.wikipedia.org/wiki/Plane_(mathematics)http://en.wikipedia.org/wiki/Diaphragm_(structural_system)http://en.wikipedia.org/wiki/Drag_(physics)http://en.wikipedia.org/wiki/Woodhttp://en.wikipedia.org/wiki/Concretehttp://en.wikipedia.org/wiki/Masonry

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1. What is the meaning of shear wall ? shear wall is a wall composed of braced

panels (also known as shear panels) to counter the effects of lateral load acting on a

structure.

2. Where Usually shear wall used ? several building codes, including the International

Building Code (where it is called a braced wall line) and Uniform Building Code

3. Why a typical timber use structural polywood ? create braced panels in the wall line

4. what does polywood mean ? Polywood is the conventional material used in the

construction of shear walls

5. what is the component of shear wall ? Wood, Concrete, CMU (masonry)

6. why shear wall is need in the structural engineering ? Shear walls were installed toincrease rigidity and structure to absorb a large shear forces along with the height of

the structure.

http://en.wikipedia.org/wiki/Lateral_loadhttp://en.wikipedia.org/wiki/Building_codehttp://en.wikipedia.org/wiki/International_Building_Codehttp://en.wikipedia.org/wiki/International_Building_Codehttp://en.wikipedia.org/wiki/Uniform_Building_Codehttp://en.wikipedia.org/wiki/Lateral_loadhttp://en.wikipedia.org/wiki/Building_codehttp://en.wikipedia.org/wiki/International_Building_Codehttp://en.wikipedia.org/wiki/International_Building_Codehttp://en.wikipedia.org/wiki/Uniform_Building_Code