Introduction

EC2 provides more detailed rules than BS 8110(2> for deciding whether or not a structure is braced or unbraced, or sway or non-sway. While it will normally be obvious by inspection how a structure should be classified (for example, with shear walls it will be braced and non-sway), there may be cases where direct calculation could give an advantage. The structure in the example following is chosen to illustrate the workings of EC2 in this area. It is entirely hypothetical and not necessarily practical.

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