Scope

3 P(101) This Appendix complements and clarifies the use of "ENV 1992-1-5 The use of Unbonded and External Prestressing Tendons in concrete bridges. Unless otherwise stated all references in this Appendix relate to "g ENV 1992-1-5.

A105.2 Basis of design A105.2.5 Analysis v A105.2.5.3 Calculation methods

A105.2.5.3.1 Basic considerations

-o Replacement of Application Rule (108) in ENV 1992-1-5 by: 0 0

(108) For internal tendons of short and medium span bridges, with decks consisting of beams or box sections of constant depth, it may be assumed that:

the force in a tendon is constant along a span, o

0 the distributed radial forces are vertical for tendons deviated in the vertical plane,

A 105.4 Section and member design

^ Insert a new subclause: O

Id A 105.4.1 Initial prestressing force to

0 P(101) For cables whose profile is contained within the overall depth of the cross section of the prestressed

— member the initial prestressing force defined in 4.2.3.5.4 P(2) of ENV 1992-1-1 should be applied.

P(102) For external cables whose profile exceeds the overall depth of the cross section of the prestressed member and whose stress range under the frequent combination of actions does not exceed |50| N/mm2, the initial prestressing stress shall be less than |0,60| /pk. Otherwise the external cables shall be considered as stay cables.

A105.4.3 Ultimate limit states A105.4.3.1 General

A105.4.3.1.5 Internal unbonded tendons

(101) Application Rule (101) in ENV 1992-1-5 does not apply to bridges.

A105.4.3.2 Shear i e

A105.4.3.2.6 Segmental Construction n e

Replacement of Application Rules (103) and (104) in ENV 1992-1-5 by: Q

(103) Under consideration of the infrequent combination of actions and in the absence of justification by 0

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