distance between wheel loads (6.3.1 (3)P).

T thermal climatic action.

T|< a group of thermal components, which for many bridges is limited to uniform and gradient components (characteristic value). In other cases more complex groups have to be distinguished (eg. for railway bridges with continuous welded rails and for bridges with stays).

Latin lower case letters gri group of loads, i is number (i = 1 to n)

Greek lower case letters

Yg partial factor for permanent actions

Yq partial factor for variable actions

Yo reduction factor for combination values of loads.

V'-i reduction factor for infrequent loads (see 2.2(2)).

V-i reduction factor for frequent loads.

V2 reduction factor for quasi-permanent loads.

1.5.2 Notation specifically for sections 4 and 5

Latin uppercase letters

Fvv wind force compatible with road traffic.

Qak characteristic value of a single axle load (Load Model 2) for a road bridge (see 4.3.3).

Qflk characteristic horizontal force on a footbridge.

Qfwk characteristic value of the concentrated load (wheel load) on a footbridge (see 5.3.2).

Oik magnitude of characteristic axle load (Load Model 1) on notional lane number i (i=1,2...) of a road bridge.

Qk magnitude of the characteristic longitudinal forces (braking and acceleration forces) on a road bridge.

C?tk magnitude of the characteristic transverse or centrifugal forces on road bridges.

TS tandem system for Load Model 1.

UDL uniformly distributed load for Load Model 1.

Latin lower case letters n\ number of notional lanes for a road bridge.

qeq equivalent uniformly distributed load for axle loads on embankments (see 4.9.1).

qfk characteristic vertical uniformly distributed load on footways or footbridges.

Oik magnitude of the characteristic vertical distributed load (Load

Model 1) on notional lane number i (i=1,2...) of a road bridge.

Qrk magnitude of the characteristic vertical distributed load on the remaining area of the carriageway (Load Model 1).

w carriageway width for a road bridge, including hard shoulders, hard strips and marker strips (see 1.4.2).

w| width of a notional lane for a road bridge.

Greek uppercase letters

Aq^ additional dynamic amplification factor for fatigue near expansion joints (see 4.6.1(7)).

Greek lowercase letters aQj,aqj adjustment factors of some load models on lanes i (i=1,2...)f defined in 4.3.2.

ccqr adjustment factor of load models on the remaining area, defined in 4.3.2.

Pq adjustment factor of Load Model 2 defined in 4.3.3.

<Pfat dynamic amplification factor for fatigue (see annex B to section 4).

1.5.3 Notation specifically for section 6 (see Figure 1.1)

Figure 1.1 : Notation and dimensions specifically for railways

Latin uppercase letters

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