natobsen1992112004歐洲法規(guī)2的英國國家附錄溷凝土結構的設計.第11部分建筑物用規(guī)則和一般規(guī)則

1、NATIONAL ANNEX NA to BS EN 1992-1-1:2004UK National Annex to Eurocode 2: Design of concrete structures —Part 1-1: General rules and rules for buildingsICS 91.010.30; 91.080.40?????????????????????????????????????????

2、?????????????????????????????w w w . b z f x w . c o mNA to BS EN 1992-1-1:2004© BSI 8 December 2005 iContentsPageCommittees responsible Inside front coverIntroduction 1NA.1 Scope 1NA.2 Nationally Determined Parame

3、ters 1NA.3 Decisions on the status of informative annexes 19NA.4 References to non-contradictory complementary information 19Bibliography 20Table NA.1 — UK decisions for Nationally Determined Parameters described in

4、 BS EN 1992-1-1:2004 2Table NA.2 — Recommendations for normal-weight concrete quality for exposure classes XC, XD and XS and cover to reinforcement for a 50 year intended working life and 20 mm maximum aggregate size

5、 15Table NA.3 — Recommendations for normal-weight concrete quality for exposure class XC and cover to reinforcement for a 100 year intended working life and 20 mm maximum aggregate size 17Table NA.4 — Recommended valu

6、es of wmax 18Table NA.5 — Basic ratios of span/effective depth for reinforced concrete members without axial compression 18Table NA.6a) — Minimum mandrel diameter to avoid damage to reinforcement for bars and wire 1