... ABSTRACT The shearing behaviour of both steel rebar and hollow strand cable bolt across joints and shear planes in concrete blocks is examined experimentally. The steel rebars (bolts) were tested in 20, 40, 50 and 100MPa concrete blocks, subjected to different pretension loads of 0, 5, 10, 20...

... to the strand. 1 INTRODUCTION Cable bolts are widely used for both temporary and perma- nent reinforcement of the rockmass surrounding large surface and underground excavations in both civil and mining appli- cations. A cable bolt comprises multiple wire, high strength steel strand that is installed...

... cable self-locking by adding self-lockers on the free length with the foundation of free length stratum energy field. 1.1 Basic theory of self-locker Set self-lockers, which have locking clips inside, in units on the free length crossly. Strands only move in single direction when adding tension...

... Zugpruefung gemessen. Es ergab sich, dass die axiale Kraftverteilung recht linear ist, und die Gradienten wurden unter Beruecksichtigung des Kraftegleichgewichts am infinitesimal kleinen Punkt eines Kabelbolzens als Haftfestigkeit interpretiert. Introduction Cablebolts, composed of multi-wire strand...

... In this work we have reviewed methods to classify corrosivity of ground waters. Weight loss and stress corrosion cracking (SCC) corrosion tests have been done for rebar and steel strand. No clear indication of SCC was found. The application of tensile stress to 85 % of yield strength increased...

...: The aim of the laboratory pull-out tests set out in this paper was to test the applicability of a yielding cable bolt em- ploying the debonding technique. In effect the aim was to determine the applicability of three different materials which could be used for debonding on wire strands. The results...

... Rosengren strand shear force dfsplacement displacement mfnfng slope reinforcement cable strength dilation angle golder associate pty ltd grout shear capacfty Preplaced cable bolts for slope reinforcement in open cut mines Le pre-placement de cables d'ancrage pour Ie renfort des talus dans les...

.../linear metre. Some 98 000m of wire rope strand is required for tendons and lacing and 20 000m 2 of wire mesh for the fabric. Variations in detail that have evolved to meet differing, local conditions have been empirically developed. While the empirical approach has mostly worked well it has become...

... of prestressing forces Generally anchors are distinguished in so-called Druckrohr anchors (type A), bar anchors (type B) and strand anchors (type C). An anchor of type A transmits the prestressing at its base subjecting the bond length to compression and shear. Anchors of types Band C have their load maximum...