A critical nuance: Worked Examples to Eurocode 2 Volume 2 often uses UK National Annex parameters (e.g., $\alpha_cc = 0.85$, $\gamma_c = 1.5$). However, the methodology is universal.
The volume includes a separate table showing how the output changes if you adopt:
Pro tip: When using these examples, always overlay your country’s National Annex coefficients.
This report provides a critical review of Worked Examples to Eurocode 2: Volume 2. The document serves as a practical companion to EN 1992-1-1 (General Rules and Rules for Buildings), bridging the gap between theoretical code requirements and practical application. The volume is assessed as a high-value educational and professional resource, particularly regarding its systematic approach to reinforced concrete design. However, the report highlights the necessity for users to cross-reference the latest UK National Annex amendments and recent amendments to the Eurocode itself. worked examples to eurocode 2 volume 2
| Check | Formula | |-------|---------| | Punching shear | ( v_Ed = \beta V_Ed/(u_1 d) ) | | Torsion resistance | ( T_Rd,max = 2\nu \alpha_cw f_cd A_k t_ef \sin\theta \cos\theta ) | | Min reinforcement (beams) | ( A_s,min = 0.26 (f_ctm/f_yk) b_t d ) | | Deflection (simplified) | ( l/d \le ) basic ratio × modification factors |
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Title: Worked Examples to Eurocode 2: Design of Concrete Structures (Volume 2) Subtitle: Practical Applications for Buildings and Retaining Structures A critical nuance: Worked Examples to Eurocode 2
[ \fracA_sws = \fracT_Ed2 A_k f_ywd \cot\theta = \frac45e62 \times 105,306 \times (500/1.15) \times 2.5 ] ( f_ywd = 435 \text MPa ) [ \fracA_sws = \frac45e62 \times 105,306 \times 435 \times 2.5 = \frac45e6228.9e6 \approx 0.197 \text mm^2/\textmm ] For 2 legs (torsion acts on all walls) → per leg: ( A_sw/s = 0.098 ) Use ( \varnothing 10 ) (78.5 mm²) → spacing ( s = 78.5 / 0.098 \approx 800 \text mm ) – too large; torsion rarely governs spacing; shear likely demands tighter.
Shear links: ( V_Ed ) gives ( A_sw/s = V_Ed/(z f_ywd \cot\theta) = 120e3/(540 \times 435 \times 2.5) = 0.204 \text mm^2/\textmm ) (2 legs). So spacing for shear ≈ 385 mm.
Final: Use ( \varnothing 10 @ 150 \text mm ) (covers both). Pro tip: When using these examples, always overlay
The worked examples for deflection provide excellent contrast between the rigorous calculation method and the "deemed to satisfy" span-to-depth ratio method. The report notes that the volume effectively demonstrates how to adjust the basic span-to-depth ratio using the necessary modification factors ($\rho$, $\rho'$), which is essential for efficient design.
While "Volume 1" of Eurocode 2 (EN 1992-1-1) covers the general rules for building design, practitioners often refer to specific execution rules or more complex structural forms as the practical application of the code. This feature acts as "Volume 2" in a practical sense: a collection of advanced worked examples that bridge the gap between the code’s theoretical clauses and the realities of construction.
This guide focuses on three critical areas where engineers often require clarification: Flanged Beam Analysis, Serviceability Limit State (SLS) Deflection Checks, and Cantilever Retaining Wall Design.