https://civilsimple.com/ 2026-08-03 weekly 1.0 https://civilsimple.com/app 2026-08-03 0.9 https://civilsimple.com/about 2026-04-28 0.8 https://civilsimple.com/contact 2026-04-28 0.6 https://civilsimple.com/payment 2026-04-28 0.6 https://civilsimple.com/articles/foundation-design/footing-stability-check-guide 2026-10-09 https://civilsimple.com/images/articles/footing-stability-check.png Footing stability check - sliding, overturning and bearing capacity checks of a pad footing The three stability checks of a pad footing — sliding, overturning and bearing capacity — decide whether the footing stays where the structure needs it. https://civilsimple.com/articles/foundation-design/what-is-footing-design 2026-10-07 https://civilsimple.com/images/articles/footing-design.png A pad footing under a column transferring the building load to the soil - what footing design is Footing design — the element between the structure and the ground decides whether the building slides, tips or sinks. https://civilsimple.com/articles/rc-design/what-is-concrete-cover 2026-08-05 https://civilsimple.com/images/articles/what_is_concrete_cover.png Concrete cover diagram showing reinforcement and surface distance Concrete cover of reinforced concrete beam https://civilsimple.com/articles/rc-design/what-is-effective-depth 2026-05-06 https://civilsimple.com/images/articles/effective_depth_in_reinforced_concrete_section.png Reinforced Concrete Section diagram showing distance between compression side and rebar Effective Depth of reinforced concrete beam https://civilsimple.com/articles/rc-design/what-is-neutral-axis 2026-05-11 https://civilsimple.com/images/articles/neutral_axis_rc_section.png Neutral axis diagram showing section and strain relationship Neutral axis of reinforced concrete section https://civilsimple.com/articles/rc-design/what-is-lever-arm 2026-05-11 https://civilsimple.com/images/articles/lever_arm_rc_section.png lever arm diagram showing section stress and strain relationship and distance between center of tensile force and compression forcer lever arm of reinforced concrete beam https://civilsimple.com/articles/rc-design/what-is-k-coefficient 2026-05-11 https://civilsimple.com/images/articles/K_coefficient_rc_section.png RC diagram showing what K coefficient is representing K coefficient at reinforced concrete beam https://civilsimple.com/articles/rc-design/what-is-assumptions-of-bending-capacity 2026-05-28 https://civilsimple.com/images/articles/assumption_and_ec2_requirement.png Fundamental Assumptions for RC Flexural Design in EC2 and Ductility and Code Requirements Assumptions and EC2 requirements for RC Flexural Design https://civilsimple.com/articles/rc-design/derivation-of-relationship-of-neutral-axis-x-z-and-K 2026-05-28 https://civilsimple.com/images/articles/relationship_of_lever_arm_neutral_axis_and_K.png Derivation of relationship of neutral axis x/d, z/d and K Derivation of relationship of neutral axis x/d, z/d and K https://civilsimple.com/articles/rc-design/work-example-moment-resistance-of-reinforced-concrete-in-ec2 2026-08-03 https://civilsimple.com/images/articles/workexample_moment_resistance_rc_section_ec2.png work example of moment resistance of rc section in eurocode2 Work example of moment resistance of rc section in eurocode 2 https://civilsimple.com/articles/rc-design/work-example-moment-reinforcement-for-moment-design-of-reinforced-concrete-in-ec2 2026-06-16 https://civilsimple.com/images/articles/workexample_tension_reinforcement_for_moment_design_rc_section_ec2.png work example of moment resistance of rc section in eurocode2 Work example of moment resistance of rc section in eurocode 2 https://civilsimple.com/articles/rc-design/what-is-shear-resistance-of-concrete-section-in-eurocode-2 2026-06-08 https://civilsimple.com/images/articles/shear_resistance_concrete_section_without_reinforcement.png Shear Resistance Concrete Section without Reinforcement Shear Resistance Concrete Section without Reinforcement https://civilsimple.com/articles/rc-design/what-is-shear-resistance-of-reinforced-concrete-section-in-eurocode-2 2026-06-10 https://civilsimple.com/images/articles/shear_resistance_of_reinforced_concrete_section.png Shear Resistance of Reinforced Concrete Section Shear Resistance of Reinforced Concrete Section https://civilsimple.com/articles/rc-design/fundamental-concept-of-shear-reinforcement-design-of-reinforced-concrete-section 2026-06-08 https://civilsimple.com/images/articles/fundamental-concept-of-shear-reinforcement-of-reinfored-concrete-section.png Variable Strut Inclination Method Shear Resistance of Reinforced Concrete Section https://civilsimple.com/articles/rc-design/work-example-shear-resistance-of-reinforced-concrete-in-ec2 2026-06-15 https://civilsimple.com/images/articles/workexample_shear_resistance_rc_section_ec2.png work example of shear resistance of rc section in eurocode2 Work example of shear resistance of rc section in eurocode 2 https://civilsimple.com/articles/rc-design/work-example-shear-links-design-of-reinforced-concrete-in-ec2 2026-06-16 https://civilsimple.com/images/articles/workexample_shear_links_design_rc_section_ec2.png work example of shear resistance of rc section in eurocode2 Work example of shear resistance of rc section in eurocode 2 https://civilsimple.com/articles/rc-design/what-is-torsion-design-of-reinforced-concrete-section-in-eurocode-2 2026-06-22 https://civilsimple.com/images/articles/torsion_design_of_reinforced_concrete_section_in_ec2.png Torsion Design of Reinforced Concrete Section Torsion Design of Reinforced Concrete Section https://civilsimple.com/articles/rc-design/torsion-equation-derivation-for-reinforced-concrete-step-by-step-animation 2026-06-30 https://civilsimple.com/images/articles/Torsion_Analysis_Equation_Explaination.png Torsion Equation Derivation for Reinforced Concrete Torsion Equation Derivation for Reinforced Concrete https://civilsimple.com/articles/rc-design/work-example-torsion-links-design-of-reinforced-concrete-in-ec2 2026-06-24 https://civilsimple.com/images/articles/workexample_torsion_link_reinforcement_for_moment_design_rc_section_ec2.png Work Example of Torsion Link of Reinforced Concrete Section Work Example of Torsion Link of Reinforced Concrete Section https://civilsimple.com/articles/rc-design/an-introduction-to-crack-width-in-reinforced-concrete-design 2026-07-20 https://civilsimple.com/images/articles/introduction_to_crack_width.png Introduction to crack width in reinforced concrete design Introduction to crack width in reinforced concrete design https://civilsimple.com/articles/rc-design/crack-width-calculation-eurocode-2 2026-07-20 https://civilsimple.com/images/articles/flexural_crack_width_calculation_in_rc_section_in_ec2.png Flexural Crack Width Calculation of Reinforced Concrete Section In Eurocode 2 Flexural Crack Width Calculation of Reinforced Concrete Section In Eurocode 2 https://civilsimple.com/articles/rc-design/work-example-crack-width-calculation-of-reinforced-concrete-in-ec2 2026-07-17 https://civilsimple.com/images/articles/workexample_crack_width_calculation_rc_section_ec2.png Work Example of Crack Width Calculation of Reinforced Concrete Section Work Example of Crack Width Calculation of Reinforced Concrete Section https://civilsimple.com/articles/rc-design/crack-control-eurocode-2 2026-07-23 https://civilsimple.com/images/articles/crack_width_limit.png crack width limit in reinforced concrete design crack width limit in reinforced concrete design https://civilsimple.com/articles/steel-design/4-steel-section-properties 2026-08-12 https://civilsimple.com/images/articles/steel_section_property_types.png Image showing common sections types (I, CHS, RHS) Image showing common sections types (I, CHS, RHS) https://civilsimple.com/articles/steel-design/work-example-section-properties-of-isection 2026-08-13 https://civilsimple.com/images/articles/work_example_i_section_properties.png work example of moment resistance of rc section in eurocode2 Work example of moment resistance of rc section in eurocode 2 https://civilsimple.com/articles/steel-design/work-example-section-properties-of-chs 2026-08-13 https://civilsimple.com/images/articles/work_example_chs_section_properties.png Work Example of Calculation of Section Properties of CHS Work Example of Calculation of Section Properties of CHS https://civilsimple.com/articles/steel-design/work-example-section-properties-of-rhs 2026-08-14 https://civilsimple.com/images/articles/work_example_rhs_section_properties.png Work Example of Calculation of Section Properties of RHS Work Example of Calculation of Section Properties of RHS https://civilsimple.com/articles/steel-design/steel-section-classification 2026-08-20 https://civilsimple.com/images/articles/classification_steel_sections.png Image showing common sections types (I, CHS, RHS) Image showing common sections types (I, CHS, RHS) https://civilsimple.com/articles/steel-design/work-example-section-classification-of-isection 2026-08-20 https://civilsimple.com/images/articles/workexample_section classification_i_section_ec3.png Work Example of Section Classification of I-Section in Bending and Compression Work Example of Section Classification of I-Section in Bending and Compression https://civilsimple.com/articles/steel-design/work-example-section-classification-of-chs 2026-08-20 https://civilsimple.com/images/articles/workexample_section classification_chs_ec3.png Work Example of Section Classification of CHS in Bending and Compression Work Example of Section Classification of CHS in Bending and Compression https://civilsimple.com/articles/steel-design/work-example-section-classification-of-rhs 2026-08-21 https://civilsimple.com/images/articles/workexample_section classification_rhs_ec3.png Work Example of Section Classification of RHS in Bending and Compression Work Example of Section Classification of RHS in Bending and Compression https://civilsimple.com/articles/steel-design/hot-rolled-cold-formed-welded-hot-formed-steel-sections 2026-08-27 https://civilsimple.com/images/articles/Hot_Rolled_Col_Formed_Welded_Hot_Formed_Steel_Sections_Explained.png Image showing common steel section types (I, CHS, RHS) made by different methods Common steel section types — but two sections with the same shape can behave differently depending on how they were made. https://civilsimple.com/articles/steel-design/effective-class-2-web 2026-08-27 https://civilsimple.com/images/articles/effective_class2_web.png Concept image of a steel I-section with compact flanges and a Class 3 web reduced to two effective compression strips Indicating about how the plastic stress block is assumed for effective class 2 web https://civilsimple.com/articles/steel-design/work-example-bending-resistance-of-effective-class-2-web 2026-08-28 https://civilsimple.com/images/articles/work_example_effective_class2_web.png Worked example of the bending resistance of an effective Class 2 web for a steel I-section - Class 1 flange, Class 3 web, two effective 20 epsilon tw strips and the shifted plastic neutral axis A welded I-section with a Class 1 flange and a Class 3 web - can be considered using effective plastic modulus over elastic modulus for bending resistance. https://civilsimple.com/articles/steel-design/how-to-check-steel-section-reistance-in-eurocode-3 2026-09-15 https://civilsimple.com/images/articles/how-to-check-steel-section-resistance.png Concept image of a steel I-section with compact flanges and a Class 3 web reduced to two effective compression strips Indicating about how the plastic stress block is assumed for effective class 2 web https://civilsimple.com/articles/steel-design/work-example-i-steel-section-check-with-design-actions 2026-09-17 https://civilsimple.com/images/articles/work_example_isection_design_action.png Work example of the steel section check with design actions - I-section under compression and major-axis bending to Eurocode 3 The full cross-section check of a UB 457x152x82 in S355 under 900 kN compression, 100kN shear and 200 kNm bending — classification, effective-area compression check, plastic bending check and the reduced moment resistance for the combined case. https://civilsimple.com/articles/steel-design/work-example-chs-check-with-design-actions 2026-09-18 https://civilsimple.com/images/articles/work_example_chs_design_action.png Work example of the steel section check with design actions - CHS under compression, shear and major-axis bending to Eurocode 3 The full cross-section check of a CHS 457.0x12.5 in S355 under 1000 kN compression, 200kN shear and 200 kNm bending — classification, compression check, bending check and the combined check case. https://civilsimple.com/articles/steel-design/work-example-rhs-check-with-design-actions 2026-09-18 https://civilsimple.com/images/articles/work_example_rhs_design_action.png Work example of the steel section check with design actions - RHS under compression, shear and major-axis bending to Eurocode 3 The full cross-section check of a RHS 500x300x8.0 in S355 under 1000 kN compression, 200kN shear and 200 kNm bending — classification, compression check, bending check and the combined check case. https://civilsimple.com/articles/steel-design/what-is-buckling-in-steel-structures 2026-09-28 https://civilsimple.com/images/articles/buckling_in_steel.png A slender steel column bowing sideways under compression - what buckling in steel is Buckling in steel — a slender compression member suddenly loses its straight shape long before the material yields. https://civilsimple.com/articles/steel-design/flexural-buckling-eurocode-3-guide 2026-09-29 https://civilsimple.com/images/articles/flexural_buckling_eurocode_3.png Flexural buckling check of a steel column to Eurocode 3 - a column bowing sideways under axial compression Flexural buckling to Eurocode 3 — a slender column in compression bows sideways, and the buckling check reduces the capacity it is allowed to use. https://civilsimple.com/articles/steel-design/lateral-torsional-buckling-eurocode-3-guide 2026-09-30 https://civilsimple.com/images/articles/lateral-torsional-buckling.png Lateral torsional buckling check of a steel beam to Eurocode 3 - the compression flange moves sideways and the section twists Lateral torsional buckling to Eurocode 3 — a slender beam in bending moves sideways and twists, and the buckling check reduces the moment capacity it is allowed to use. https://civilsimple.com/articles/steel-design/combined-compression-bending-buckling-eurocode-3-guide 2026-10-03 https://civilsimple.com/images/articles/combined_compression_bending_buckling_check.png Combined compression and bending check of a steel beam-column to Eurocode 3 - interaction equations 6.61 and 6.62 with the Annex B interaction factors Combined compression and bending to Eurocode 3 — a beam-column under axial force and bending is checked with two interaction equations, and Annex B gives a simple way to find the interaction factors. https://civilsimple.com/articles/steel-design/work-example-i-steel-section-column-buckling-check 2026-10-05 https://civilsimple.com/images/articles/work_example_isection_column_buckling.png Worked example of the compression and flexural buckling check of a 610x305x238 steel I-section column to Eurocode 3 A worked example to Eurocode 3 — for this slender 8 m column, minor-axis flexural buckling (utilisation 26%) governs well before the cross-section compression capacity (9%) is reached. https://civilsimple.com/articles/steel-design/work-example-i-steel-section-beam-lateral-torsional-buckling-check 2026-10-05 https://civilsimple.com/images/articles/work_example_isection_beam_lateral_torsional_buckling.png Worked example of the lateral torsional buckling check of a 610x305x238 steel I-section beam to Eurocode 3 A worked example to Eurocode 3 — for this 8 m unrestrained span, lateral-torsional buckling cuts the bending capacity from 2,658 kNm to 1,621 kNm, leaving a utilisation of 62%. https://civilsimple.com/articles/steel-design/work-example-i-steel-section-combined-compression-bending-buckling-check 2026-10-06 https://civilsimple.com/images/articles/work_example_isection_combined_buckling.png Worked example of the combined compression and bending buckling check of a 610x305x238 steel I-section beam-column to Eurocode 3 A worked example to Eurocode 3 — under 800 kN compression with biaxial bending, the minor-axis interaction equation 6.62 governs with a utilisation of 92%. https://civilsimple.com/tools/rc-design/multiple-layers-bars-centroid-calculator 2026-05-08 https://civilsimple.com/images/articles/multi_layers_bars_calculator.png Reinforced Concrete Section diagram showing distance between compression side and rebar Multi-layers Bars Effective Depth Calculator https://civilsimple.com/tools/rc-design/rc-moment-capacity-calculator 2026-08-07 https://civilsimple.com/images/articles/rc_moment_capacity_calculator.png reinforced concrete moment capacity calculator reinforced concrete moment capacity calculator https://civilsimple.com/tools/rc-design/rc-shear-calculator 2026-08-06 https://civilsimple.com/images/articles/rc_shear_design_calculator.png reinforced concrete shear link design calculator reinforced concrete shear link design calculator https://civilsimple.com/tools/rc-design/rc-torsion-calculator 2026-08-05 https://civilsimple.com/images/articles/rc_torsion_design_calculator.png reinforced concrete torsion design calculator reinforced concrete torsion design calculator