| cladding: | - A covering of material(s) fastened or anchored in front of the masonry and not in general bonded to it
- The part of the building which provides a weatherpro of membrane. generally cl...
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| cohesion: | The shear strength of the stored solid when the normal stress on the failure plane is zero |
| combination of actions: | Set of design values used for the verification of the structural reliability for a limit state under the simultaneous |
| combination value of a variable action (v|/oqk): | Value chosen - in so far as it can be fixed on statistical bases - so that the probability that the effects caused by the combination will be exceeded is approximately the same as by the character... |
| combined walls | Retaining walls composed of primary and secondary elements. the primary elements are normally steel tubular piles, i-sections or built up box types, spaced uniformly along the length of the wall. ... комбинированные стенки; |
| combustion factor: | Combustion factor represents the efficiency of combustion, varying between 1 for complete combustion to 0 for combustion fully inhibited |
| comparable experience: | Documented or other clearly established information related to the ground being considered in design, involving the same types of soil and rock and for which similar geotechnical behaviour is expe... |
| complete asssimetric shell: | A shell whose form is defined by a meridional generator line |
| complete axisymmetric shell: | A shell composed of a number of parts, each of which is a shell of revolution. |
| composite beam: | A composite member subjected mainly to bending |
| composite behaviour: | Behaviour which occurs after the shear connection has become effective due to hardening of concrete |
| composite column: | A composite member subjected mainly to compression or to compression and bending |
| composite frame: | A framed structure in which some or all of the elements are composite members and most of the remainder are structural steel members |
| composite joint: | A joint between a composite member and another composite, steel or reinforced concrete member, in which reinforcement is taken into account in design for the resistance and the stiffness of the jo... |
| composite member: | A structural member with components of concrete and of structural or cold-formed steel, interconnected by shear connection so as to limit the longitudinal slip between concrete and steel and the s... |
| composite plate: | Composite member consisting of a flat bottom steel plate connected to a concrete slab, in which both the length and |
| composite slab: | A slab in which profiled steel sheets are used initially as permanent shuttering and subsequently combine structurally with the hardened concrete and act as tensile reinforcement in the finished f... |
| compressive strength of mortar: | The mean compressive strength of a specified number of mortar specimens after curing for 28 days |
| compressive strengthofmasonry: | Thestrengthofmasonryincompr essionwithouttheeffectsofplate nrestraint,slendernessoreccentr icityof loading |
| compressivestrength ofmasonryunits: | Themeancompre ssive strengtho faspecifiednumberofmasonryu nits(see en771-1toen771-6) |
| computational fluid dynamic model | Fire model able to solve numerically the partial differential equations giving, in all points of the compartment, the thermo-dynamical and aero-dynamical variables вычислительная газодинамическая модель; |
| concrete infill: | A concrete used to fill preformed cavities or voids in masonry |
| configuration factor: | - Configuration factor for
- The configuration factor for radiative heat transfer from surface a to surface b is defined as the fraction of diffusely radiated energy leaving surface a t...
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| confinedmasonry: | Masonry providedwithreinforcedconcre teorreinforcedmasonryconfini ngelementsinthe verticaland horizontal direction |
| conical hopper: | A hopper in which the sloping sides converge towards a single point intended to produce axisymmetric flow in the stored solid |
| consequence class: | Classification of the consequences of failure of the structure or part of it. |
| constant amplitude fatigue limit: | - The limiting direct or shear stress range value below which no fatigue damage will occur in tests under constant amplitude stress conditions. under variable amplitude conditions all stress ran...
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| constant amplitude: | Relating to a stress history where the stress alternates between stress peaks and stress valleys of constant values |
| construction load: | Load that can be present due to execution activities, but is not present when the execution activities are completed. |
| continuous support: | A continuously supported silo is one in which all positions around the circumference are supported in an identical manner. minor departures from this condition (e.g. a small opening) need not affe... |
| continuously supported: | A continuously supported tank is one in which all positions around the circumference are supported in an identical manner. minor departures from this condition (e.g. a small opening) need not affe... |
| convective heat transfer coefficient: | Convective heat flux to the member related to the difference between the bulk temperature of gas bordering the relevant surface of the member and the temperature of that surface |
| course: | The cylindrical wall of the tank is formed making horizontal joints between a series of short cylindrical sections, each of which is formed by making vertical joints between individual curved plat... |
| crab: | Part of an overhead travelling crane that incorporates a hoist and is able to travel on rails on the top of the crane bridge |
| cracked flexural stiffness: | The stiffness eai2 of a cross-section of a composite member where i2 is the second moment of area of the effective equivalent steel section calculated neglecting concrete in tension but including ... |
| crane bridge: | Part of an overhead travelling crane that spans the crane runway beams and supports the crab or hoist block |
| crane runway beam: | Beam along which an overhead travelling crane can move |
| crane surge | Horizontal dynamic actions due to crane operation, acting longitudinally and/or laterally to the runway beams. note: the transverse actions induced by cranes apply lateral forces to the runway bea... горизонтальные воздействия (крана); |
| critical buckling stress: | - The nominal membrane stress associated with the elastic critical buckling load.
- The membrane stress associated with the critical buckling resistance.
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| critical temperature of structural steel element: | For a given load level, the temperature at which failure is expected to occur in a structural steel element for a uniform temperature distribution |
| critical temperature of reinforcement: | The temperature of reinforcement at which failure of the member in fire situation (criterion r) is expected to occur at a given steel stress level. |
| critical temperature of structural steel: | For a given load level, the temperature at which failure is expected to occur in a structural steel element for a uniform temperature distribution |
| critical buckling load: | The smallest bifurcation or limit load determined assuming the idealised conditions of elastic material behaviour, perfect geometry, perfect load application, perfect support, material isotropy an... |
| critical buckling resistance: | The smallest bifurcation or limit load determined assuming the idealised conditions of elastic material behaviour, perfect geometry, perfect load application, perfect support, material isotropy an... |
| criticaltemperatureofr einforcement: | The temperature of the reinforcement at which failure |
| cross-laminated deck plates: | Laminated deck plates made of laminations in layers of different grain direction (crosswise or at different angles). the layers are glued together or connected using mechanical fasteners |
| cut-off limit: | - Limit below which stress ranges of the design spectrum do not contribute to the calculated cumulative damage.
- Limit below which stress ranges of the design spectrum may be omitted f...
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| cycle counting: | The process of transforming a variable amplitude stress history into a spectrum of stress cycles, each with a particular stress range, e.g. the |
| cyclic plasticity: | The ultimate limit state where repeated yielding is caused by cycles of loading and unloading, leading to a low cycle fatigue failure where the energy absorption capacity of the material is exhaus... |
| damage tolerance: | Ability of the structure to |
| damp proof course: | A layer of sheeting, masonry units or other material used in masonry to resist the passage of water |
| damper: | A device that increases the structural damping and thus limits the response of a structure or of a guy. |
| damping device: | A device fitted to the chimney to reduce vortex excited |
| damping: | Dissipation of energy with |
| dead-end towers (also called anchor towers): | Transmission tower able to support dead-end pulls from all the wires on one side, in addition to the vertical and transverse loads |
| deck: | Parts of a bridge which carry the traffic loading over piers, abutments and other walls, pylons being excluded |
| deflagration: | Propagation of a combustion zone at a velocity that is less than the speed of sound in the unreacted medium. |
| degree of cold forming: | Permanent strain from cold forming measured as a percentage. |
| derived value: | - Value of a geotechnical parameters obtained from test results by theory, correlation or empiricism (see 1.6)
- Value of a geotechnical parameter obtained by theory, correlation or emp...
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| design seismic displacement: | Displacement induced by the design seismic actions. |
| design buckling resistance: | The design value of the buckling load, obtained by dividing the characteristic buckling resistance by the partial factor for resistance. |
| design buckling stress: | - The design value of the buckling stress, obtained by dividing the characteristic buckling stress by the partial
- The membrane stress associated with the design buckling resistance.
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| design fire load density: | Fire load density considered for determining thermal actions in fire design; its value makes allowance for uncertainties |
| design value of a geometrical property (ad): | Generally a nominal value. where relevant, values of geometrical quantities may correspond to some prescribed fractile of the statistical distribution note the design value of a geometrical proper... |
| design value of a material or product property (xd or rd): | Value obtained by dividing the characteristic value by a partial factor ym or ym, or, in special circumstances, by |
| design value of an action (fd): | Value obtained by multiplying the representative value by the partial factor yf note the product of the representative value multiplied by the partial factor yf =ysdxyf may also be designated as t... |
| design criteria: | Quantitative formulations that describe for each limit state the conditions to be fulfilled |
| design fire scenario | Specific fire scenario on which an analysis will be conducted расчетный сценарий пожара; |
| design fire: | Specified fire development assumed for design purposes |
| design life: | - The reference period of time for which a structure is required to perform safely with an acceptable probability that failure by fatigue cracking will not occur.
- The reference period...
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| design pressure (dp): | The pressure on which the design calculations are based |
| design situations: | Sets of physical conditions representing the real conditions occurring during a certain time interval for which the design will demonstrate that relevant limit states are not exceeded |
| design specification: | Documents describing the designer`s requirements for the construction, including drawings, schedules, test reports, references to parts of other documents and written instructions |
| design spectrum: | - The total of all stress-range spectra in the design life of a structure relevant to the fatigue assessment
- The total of all stress-range spectra relevant to the fatigue assessment
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| design thickness: | The steel core thickness used in design by calculation according to 1.5.3(6) and 3.2.4. |
| design working life: | Assumed period for which a structure or part of it is to be used for its intended purpose |
| designedmasonrymo rtar: | A mortar whose composition and manufacturing method ischosen in order to achieve specifiedproperties(performan ceconcept) |
