Experimental study on pullout strength of anchor bolt with an embedment depth of 30 mm in concrete under high temperature

Hashimoto, Jun; Takiguchi, Katsuki

doi:10.1016/j.nucengdes.2003.11.003

Cited by 16 publications

(12 citation statements)

References 3 publications

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“…Many authors consider the issues of adhesion stress both analytically [3], experimental [4][5][6][7], as well as numerically modelling [9,10,[16][17][18]. All considerations are based on European ETAG Guidelines [11], Technical Report EOTA TR 023 [11] and British Guidelines [13][14][15].…”

Section: Introductionmentioning

confidence: 99%

The effect of the stress distribution of anchorage and stress in the textured layer on the durability of new anchorages

2020

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The paper estimated the effect of the distribution of edge and shear stresses occurring in the façade texture layer of three-layer walls of large slab panel buildings, as well as the variability of these stresses depending on the anchorage strength of the anchorage. Bonded anchors with seven different diameters M8 ÷ M30, selected based on catalogues, were analysed. The traction stress was determined based on the destructive force, which is determined by the catalogues of manufacturers of bonded anchors. Depending on the choice of the method of repairing the connections between the textured layer and the structural layer, we give the three-layer walls a new character of work. One of the methods of strengthening the textured layer is the popular COPY-ECO system in Poland. It is a system of two anchors (horizontal and diagonal), reflecting the shape of the work of existing hangers. The article also analyses the variants of oblique anchorages for the M12 anchor with inclination angles of 30∘, 45∘ and 60∘. The extent to which the anchorage inclination angle has been assessed influences the higher parameters of the anchor’s bearing capacity due to the shearing of the textured layer.

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Section: Introductionmentioning

confidence: 99%

The effect of the stress distribution of anchorage and stress in the textured layer on the durability of new anchorages

2020

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“…A better understanding of the pullout behavior of anchor bolts can contribute not only to the optimization of the design of the anchor system, but also to the improvement of the durability and stability of a structure. Therefore, the pullout behavior of anchor bolts in concrete structures has become a major concern in the past three decades and a lot of experimental studies have been performed [1][2][3][4][5][6]. Likewise, various numerical methods have been adopted to analyze the failure mechanism and the progressive damage of anchor bolts in concrete structures.…”

Section: Introductionmentioning

confidence: 99%

Peridynamic Model for the Numerical Simulation of Anchor Bolt Pullout in Concrete

Zhang

Habib

et al. 2018

Mathematical Problems in Engineering

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Predictive simulation of anchor pullout from concrete structures is not only a serious problem in structural mechanics but also very important in structural design safety. In the finite element method (FEM), the crack paths or the points of crack initiation usually need to be assumed in advance. Otherwise, some special crack growth treatment or adaptive remeshing algorithm is normally used. In this paper, an extended peridynamic method was introduced to avoid the difficulties found in FEM, and its application on anchor bolt pullout in plain concrete is studied. In the analysis, the interaction between the anchor bolt and concrete is represented by a modified short-range force and an extended bond-level model for concrete is developed. Numerical analysis results indicate that the peak pullout load obtained and the crack branching of the anchoring system agreed well with the experimental investigations.

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“…For example, most of the studies focus on a single pre-stressed cable reinforcement performance or the reinforcing effect is acquired through measuring the strain-stress and the rock deformation (Benmokrane et al, 2000), and also due to the limitations of the hypothesis in the numerical simulation theory as follows (Shu et al, 2005;Dai et al, 2004): treating massive rock or jointed rock mass as an isotropic material, considering the post-yield behavior of geotechnical material as perfectly plastic, assuming fractured rock mass to be viscoplastic material, and simplifying simulation to grouting bolt, which could lead to not ideal results in the calculation. Therefore, the model test of reinforcing a rock slope with group anchorage cable and a more painstaking numerical model of rock material are also the research focus in slope protection engineering (Hashimoto and Takiguchi, 2004). So far, these numerical simulation methods can be classified approximately as follows (Kim et al, 2007;Soparat and Nanakorn, 2008): the direct simulation of the interaction between fracture surface and rock-bolt, whose mechanical behavior can be simulated in detail; the equivalent processing of the reinforcement mechanism and the stiffness matrix of the bolt is not included, which is suitable for complex projects of fractured rocks and group anchorage cable.…”

Section: Introductionmentioning

confidence: 99%

Test analysis of stress characteristics on reinforcing rock slope with group anchorage cable

Zhang

Xia

Jin-cai

et al. 2010

J Coal Sci Eng China

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To research the reinforcement effect of a rock slope with group anchorage cables and the stress characteristics of pre-stressed anchorage cables in the fractured surface, the rock slope calculated model of a wedge block within the double-slide face was established by using the finite difference software according to the actual slope project combined with indoor model test. The pre-stress loss rule of the anchorage cable and the distribution of axial force and the force-transferring mechanism of the anchorage cable were analyzed during simulation. Also, based on the displacement contour and the safety factor of the calculated results, the quantitative analysis for the reinforcement effect of the rock slope with group pre-stressed anchorage cable was discovered. The results computed by the software conform with the data in the experiment, which can prove the effectiveness and correctness of parameter selection and model building.

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Experimental study on pullout strength of anchor bolt with an embedment depth of 30 mm in concrete under high temperature

Cited by 16 publications

References 3 publications

The effect of the stress distribution of anchorage and stress in the textured layer on the durability of new anchorages

The effect of the stress distribution of anchorage and stress in the textured layer on the durability of new anchorages

Peridynamic Model for the Numerical Simulation of Anchor Bolt Pullout in Concrete

Test analysis of stress characteristics on reinforcing rock slope with group anchorage cable

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