NA to BS EN 1996-1-1:2005+A1:2012

This standard NA to BS EN 1996-1-1:2005+A1:2012 UK National Annex to Eurocode 6. Design of masonry structures is classified in these ICS categories:

• 91.010.30 Technical aspects
• 91.080.30 Masonry

This National Annex gives:

1. decisions for the Nationally Determined Parameters described in the following subclauses of BS EN 1996-1-1:2005:

   2.4.3(1)P	ultimate limit states;
   2.4.4(1)	serviceability limit states;
   3.2.2(1)	specification of masonry mortar;
   3.6.1.2(1)	characteristic compressive strength of masonry other than shell bedded;
   3.6.2(3), (4) and (6)	characteristic shear strength of masonry;
   3.6.3(3)	characteristic flexural strength of masonry;
   3.7.2(2)	modulus of elasticity;
   3.7.4(2)	creep, moisture expansion or shrinkage and thermal expansion;
   4.3.3(3) and (4)	reinforcing steel;
   5.5.1.3(3)	effective thickness of masonry walls;
   6.1.2.2(2)	slenderness ratio γc below which creep may be ignored;
   6.2.2	design value of the limiting shear resistance
   8.1.2(2)	minimum thickness of wall;
   8.5.2.2(2)	cavity walls;
   8.5.2.3(2)	double-leaf walls;
   8.6.2(1)	vertical chases and recesses;
   8.6.3(1)	horizontal and inclined chases.

2. decisions on the status of BS EN 1996-1-1:2005 informative Annexes A to J (see NA. 3);
3. references to non-contradictory complementary information to assist the user to apply BS EN 1996-1-1:2005 (see NA.4).

To be read in conjunction with BS EN 1996-1-1:2005