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Technical Manual - RVL-N Single Wire Loop Box v16.5.2014
4. Resistances According to ACI
Design value of resistance VRd for one pair (one wire rope loop on each side of the joint) is
presented in table 2. The minimum concrete strength in the joint (element/joint concrete) is
C25/30 (cylinder strength 25 MPa, cube strength 30 MPa). Distance between wire rope loop pairs
must be according to section 6.1.1.
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The longitudinal shear capacities of the RVL wire rope loops are calculated according to
Building Code Requirements for Structural Concrete (ACI 318M-08).
Capacities are calculated for static loads. The calculations do not take into account cracks or
deformations in the joint.
4 ResistaNces accoRDiNg to aci
4.2 dEsIgn vAluEs of rEsIstAnCE for longItudInAl
shEAr forCE (ACI)
4.1 CAlCulAtIon prInCIplEs
PICTuRE 2
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Direction of longitudinal shear force in joint