Evaluation of grout materials for CFRP ground anchors with strap ends
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The bond behavior of carbon fiber–reinforced polymer (CFRP) sheets attached to concrete surface subject to mixed-mode I/II loading through single lap-shear tests is assessed. A 63 concrete prism specimens of 150 × 150 × 330 mm were prepared through externa ...
Since the first applications of structural concrete, the shear behaviour of one-way slabs without transverse reinforcement has been largely investigated. Nevertheless, currently in the scientific community there is no general agreement on the mechanisms of ...
The main purpose of the current study is to investigate bond behavior of fiber reinforced polymer (FRP)-to-concrete under mixed-mode I/II loading. To attain this end, 150 × 150 × 330 mm concrete prisms were cast and strengthened by carbon fiber reinforced ...
Numerous studies in the literature have shown that the strengthening of steel members using carbon fiber reinforced polymer (CFRP) composites can significantly extend the fatigue life of these structures. However, not enough attention has been focused on t ...
This paper aims to show the feasibility of application of iron-based shape memory alloy (Fe-SMA) for fatigue strengthening of steel plates. The effectiveness of the proposed retrofit system was also compared with that of prestressed carbon-fiber reinforced ...
Pull-out experiments were performed on four carbon fiber-reinforced polymer (CFRP) ground anchors simulating their applications in rock and soil. The CFRP tendons used in these anchors comprise a single-strap end on both ground and air sides. On the ground ...
This paper introduces the most recent techniques that have been developed for pre-stressed strengthening of metallic members. Details of utilization of new advanced materials such as carbon-fibre reinforced polymer (CFRP), NiTiNb- and Fe-shape memory alloy ...
Permanent post-tensioned ground anchors are widely used for the stabilization of different structures in civil engineering. Carbon fiber-reinforced polymer (CFRP) tendons have been proposed to replace steel tendons in ground anchors to solve the durability ...
The experimental characterization of brittle and quasi brittle materials such as concrete is a complex and challenging topic. In this framework, numerical analysis can represent a powerful tool to study and validate the possible tests outcome and identify ...
Pull-out experiments were performed on three carbon fiber-reinforced polymer (CFRP) ground anchors simulating their applications in different rock types which provided different confinement levels. The CFRP tendons comprised, on the ground side, a prefabri ...