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

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

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