— empirical design of masonry pg c 40

... type of construction indication of the principal structural material, e.g reinforced concrete construction, steel construction, timber construction, masonry construction, steel and concrete compositeconstruction ... 1991 include the effects of erations caused by the actions either implicitly in the characteristic loads or explicitly byapplying dynamic enhancement factors to characteristic static loads accel-NOTE ... are cited in normative clauses : EN 1992 Eurocode 2 : Design of concrete structures EN 1993 Eurocode 3 : Design of steel structures EN 1994 Eurocode 4 : Design of composite steel and concrete

Ngày tải lên: 05/05/2018, 08:37

... Qc , k is the characteristic value of construction loads as defined in EN 1991-1-6 (i.e the characteristic value of the relevant combination of groups Qca, Qcb, Qcc, Qcd, Qce, Qcf) A2.4 Serviceability ... Values of ψ factors Alteration of design values of actions for ultimate limit states Choice concerning the use of Approach 1, or Definition of forces due to ice pressure Values of γP factors for ... A2.2.5 Combinations of actions for accidental (non – seismic) design situations (1) Where an action for an accidental design situation needs to be taken into account, no other accidental action

Ngày tải lên: 05/05/2018, 08:37

... Categorization of roofs Categories of loaded area H I K Specific Use Roofs not accessible except for normal maintenance and repair Roofs accessible with occupancy according to categories A to D Roofs accessible ... 9: Design of composite steel and concrete structures Design of timber structures Design of masonry structures Geotechnical design Design of structures for earthquake resistance Design of aluminium ... indicate methods of correlating these classes or levels of requirement with the technical specifications, e.g methods of calculation and of proof, technical rules for project design, etc ; c) serve as

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... Determination of Mechanical Actions and Boundary conditions Selection of Mechanical Actions Simple Calculation Models (if available) Advanced Calculation Models Advanced Calculation Models Advanced Calculation ... number of Parts: EN1990 Eurocode : Basis of structural design EN1991 Eurocode 1: Actions on structures EN1992 Eurocode 2: Design of concrete structures EN1993 Eurocode 3: Design of steel structures ... General Actions - Wind loads EN1992 Eurocode 2: Design of concrete structures EN1993 Eurocode 3: Design of steel structures EN1994 Eurocode 4: Design of composite steel and concrete structures

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... indicate methods of correlating these classes or levels of requirement with the technical specifications, e.g methods of calculation and of proof, technical rules for project design, etc ; c) ... Council Directive 89/106/EEC on construction products andCouncil Directives 93/37/EEC, 92/50/EEC and 89/440/EEC on public works and services and equivalent EFTA Directives initiated in pursuit of ... 1.6.4 characteristic value of snow load on the roof product of the characteristic snow load on the ground and appropriatecoefficients NOTE: These coefficients are chosen so that the probability of

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... each requirement where necessary ; b) indicate methods of correlating these classes or levels of requirement with the technical specifications, e.g methods of calculation and of proof technical ... ψsc reduction factor of force coefficient for scaffoldings effected by solid building face Indices crit critical Trang 15i internal, mode number j current number of incremental area or point of ... buffeting 30 Section 7 Pressure and force coefficients 31 7.1 General 31 7.1.1 Choice of aerodynamic coefficient 31 7.1.2 Asymmetric and counteracting pressures and forces 32 7.1.3 Effects of ice and

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... Eurocode 4: Eurocode 5: Eurocode 6: Basis of Structural Design Actions on structures Design of concrete structures Design of steel structures Design of composite steel and concrete structures Design ... the field of construction, based on article 95 of the treaty The objective of the programme was the elimination of technical obstacles to trade and the harmonization of technical specifications ... for consistency between the harmonized technical specifications for construction products and the technical rules for works Furthermore, all the information accompanying the CE Marking of the construction

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... upper case lettersAdeb area of obstruction (accumulation of debris) Fdeb horizontal forces exerted by accumulation of debris Fcb.k characteristic values of concentrated construction loads Qcb Fhn ... of correlating these classes or levels of requirement with the technical specifications, e.g methods of calculation and of proof, technical rules for project design, etc ; c)serve as a reference ... ice 4.10(1)P Definition of actions due to atmospheric icing 4.11.1(1) Table 4.1 Recommended characteristic values of construction loads Qca, Qcb and Qcc 4.11.2(2) Construction loads for personnel

Ngày tải lên: 05/05/2018, 08:37

... appropriate designapproach classes for different consequence classes of structure NOTE 2: In exceptional circumstances the complete collapse of the structure due to an accidental actionmay be ... Design of steel structures EN 1994 Eurocode 4: Design of composite steel and concrete structures EN 1995 Eurocode 5: Design of timber structures EN 1996 Eurocode 6: Design of masonry structures ... each requirement where necessary ; b)indicate methods of correlating these classes or levels of requirement with the technical specifications, e.g methods of calculation and of proof, technical

Ngày tải lên: 05/05/2018, 08:38

... 6: Eurocode 7: Eurocode 8: Eurocode 9: Design of timber structures Design of masonry structures Geotechnical design Design of structures for earthquake resistance Design of aluminium structures ... indicate methods of correlating these classes or levels of requirement with the technical specifications, e.g methods of calculation and of proof, technical rules for project design, etc ; c) serve as ... and/or Commission’s Decisions dealing with European standards (e.g the Council Directive 89/106/EEC on construction products - CPD - and Council Directives 93/37/EEC, 92/50/EEC and 89/440/EEC on

Ngày tải lên: 05/05/2018, 08:38

... the possible inclusion of diagonal reinforcement, which is uncommon in reinforced masonry sections A section is included on the design of reinforced masonry deep beams which may be carried out by ... effective thickness of a cavity wall in which the leaves are connected by suitable wall ties is determined using: (5.7) 5.5 CALCULATION OF ECCENTRICITY In order to determine the value of the eccentricity, ... and columns reduces to the determination of the value of the characteristic compressive strength of the masonry (fk) and the thickness of the unit required to support the design loads Once fk...

Ngày tải lên: 08/08/2014, 13:21

... Panel thickness=110mm Characteristic strength of panel=10N/mm2 Partial safety factor for masonry= 3.1 Section modulus for each column=600 cm3 Section modulus for each beam=800 cm3 Yield stress of steel=250N/mm2 ... the design strengths of the material in compression and shear The design of the beam would be carried out in accordance with the relevant code of practice 8.2 8.2.1 INTERACTION BETWEEN WALL PANELS ... hinges as occur in reinforced concrete ©2004 Taylor & Francis of the panel into which it is divided by the fracture lines is in equilibrium under the action of external forces and reactions along...

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... collapse could be introduced in two ways: • Design against the occurrence of accidental damage • Allow accidental damage to occur and design against progressive collapse The first method would clearly ... interlock’ by frictional forces across the crack • ‘Dowel effect’ from the shear force developed by the reinforcing bars crossing the crack The relative importance of these effects depends on the construction ... forces, b is the width of the section, fv is the characteristic shear strength of masonry, fy is the characteristic tensile strength of the reinforcing steel, sv is the spacing of shear reinforcement...

Ngày tải lên: 08/08/2014, 13:21

... be a loss of prestress The code recommends a value of maximum strain of 500×10-6 for calcium silicate and concrete bricks The loss of prestress can be calculated from the known value of strain ... Fig 11.6 Cross-section of the beam for example ©2004 Taylor & Francis Assume rectangular section Provide d=365 mm to take into account the thickness of a brick course Correct value of Mi is For ... post-tensioned masonry beam (Fig 11.6) of span 6m, simply supported, carries a characteristic superimposed dead load of 2kN/m and a characteristic live load of 3.5kN/m The masonry characteristic strength...

Ngày tải lên: 08/08/2014, 13:21

... A: according to EC6 Design vertical load resistance of wall on eccentricity and slenderness ratio 12.7.2 , where depends Calculation of eccentricity Figure 12.9 shows the worst combination of ... of eccentricity Axial load ©2004 Taylor & Francis Fig 12.9 Calculation of eccentricity of the loading (not to scale) ©2004 Taylor & Francis EC6 allows the use of the value from the national code ... Selection of brick and mortar for inner leaf of wall B The design vertical load resistance of the wall is (ßtfk)/␥m (clause 32.2.1) The value of ß depends on the eccentricity of loading; hence...

Ngày tải lên: 08/08/2014, 13:21