Relevant bibliographies by topics / Bolt-grout interface

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  1. Journal articles
  2. Dissertations / Theses

Academic literature on the topic 'Bolt-grout interface'

Author: Grafiati
Published: 4 June 2021
Last updated: 25 May 2024

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Journal articles on the topic "Bolt-grout interface"

1

Chen, Jianhang, Shengli Yang, Hongbao Zhao, Junwen Zhang, Fulian He, and Shuaifeng Yin. "The Analytical Approach to Evaluate the Load-Displacement Relationship of Rock Bolts." Advances in Civil Engineering 2019 (November 28, 2019): 1–15. http://dx.doi.org/10.1155/2019/2678905.

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Fully grouted rock bolts are widely used in civil engineering and mining engineering, playing a significant role in keeping the stability and safety of excavations. In this paper, the load transfer mechanism of fully grouted rock bolts was studied with an analytical model. A trilinear model was used to depict the bond-slip behaviour of the bolt/grout interface. The displacement of the confining medium was involved in this analytical model. Then, the shear stress propagation along the bolt/grout interface was analysed in the elastic, elastic-softening, elastic-softening-debonding, softening-deb
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2

Zhang, Zhaoyun, Jiankang Liu, Hengjie Luan, et al. "Shear Mechanical Properties of Bolt-Grout Interface under Different Bolt Surface Profiles." Applied Sciences 14, no. 5 (2024): 1770. http://dx.doi.org/10.3390/app14051770.

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The shear behavior of the Bolt-Grout interface has a significant effect on the stability of a bolting system. In this paper, a series of shear tests were conducted on Bolt-Grout interfaces, and the effects of rib spacing, rib angles, and normal stress on the shear characteristics and failure modes of the Bolt-Grout interface were investigated. The results showed that the shear strength varied nonlinearly with an increase in rib spacing and angle, and also that it increased linearly with an increase in normal stress. With smaller rib spacings, the effect of rib spacing on peak shear strength wa
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3

Li, Xuwei. "Load Transfer Characteristics of a Cable Bolt in DEPT." Shock and Vibration 2019 (November 6, 2019): 1–10. http://dx.doi.org/10.1155/2019/2106741.

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Cable bolts help surrounding rock masses of underground excavations to form internal rock structure and thus self-stabilize through effective load transfer between rock masses and cable bolts. The load transfer characteristics of cable bolt play the most significant role in cable selection for support design. There are many factors potentially affecting the load transfer characteristics of cable bolt via strengthening or weakening load contributors such as cable bonding, mechanical interlocking, frictional resistance at cable-grout interface and grout-rock interface, and shearing of grout anch
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4

Zhang, Chuanqing, Guojian Cui, Xiangrong Chen, Hui Zhou, and Liang Deng. "Effects of bolt profile and grout mixture on shearing behaviors of bolt-grout interface." Journal of Rock Mechanics and Geotechnical Engineering 12, no. 2 (2020): 242–55. http://dx.doi.org/10.1016/j.jrmge.2019.10.004.

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Long, Zhe, Zhi-xin Yan, and Chun-bo Liu. "Shear Effects on the Anchorage Interfaces and Seismic Responses of a Rock Slope Containing a Weak Layer under Seismic Action." Mathematical Problems in Engineering 2020 (April 30, 2020): 1–11. http://dx.doi.org/10.1155/2020/1424167.

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The shear effects on the anchorage interfaces under seismic action is a key problem requiring urgent investigation in the field of rock and soil anchorages. In this paper, the model of rock slope with a weak layer was constructed by pouring, and the large-scale shaking table model test was completed. The shear strain on the anchorage interfaces and the acceleration of the slope were collected using built measurement systems. The shear effects on the two anchorage interfaces (a bolt-grout interface and a grout-rock interface) and seismic responses of the slope under seismic action were investig
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6

Song, Zhi Fei, Jia Hao Lei, and Shi Guo Sun. "Analysis of Dilatancy Effect when Mortar Bolt Interface Destroying." Advanced Materials Research 446-449 (January 2012): 1641–44. http://dx.doi.org/10.4028/www.scientific.net/amr.446-449.1641.

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The experimental study on the case of bond failure happening at the grout-rock interface about mortar bolt, the concrete matrix is sudden destroyed when loading specimen which grouting length 60mm, compared to previous research, it is reduced by dilatancy effect when mortar is pressed out of the body, this paper analyzes the concrete axial radial pressure when mortar is pressed out and the dilatancy effect using the finite element method.
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7

Chen, Gang S., Gang Chen, and Liang Biao Chen. "Chracterizition of Dynamic Properties of Roof Bolts and their Applications." Advanced Materials Research 875-877 (February 2014): 599–604. http://dx.doi.org/10.4028/www.scientific.net/amr.875-877.599.

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The dynamic properties of rock bolts are characterized by measurement. The acceleration and strain of a rock bolt specimen were recorded using axial impact testing in laboratory environment. The systems dynamic properties such as natural frequencies and damping are characterized by using spectral analysis and Wavelet method. The characterized dynamic properties are used to update and calibrate a system simulation model, which is a multiple-degree-of-freedom system involving roof mass, the roof bolt, grout interface and head connections. The proposed approach enables accurately and effectively
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8

Shen, Junchao. "Experimental Study on Anchorage Performance of Resin Grout with Steel Segment." Advances in Civil Engineering 2021 (May 25, 2021): 1–19. http://dx.doi.org/10.1155/2021/5580555.

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With the advantages of large anchoring force and fast anchoring speed, resin cartridge has become the main anchoring means of geotechnical engineering and underground space engineering support. Based on the theoretical analysis, it is clear that adding aggregate can improve the mechanical properties of grout and the bolt-grout interface stress state; the mechanical properties of aggregate are positively correlated with its improvement effect on anchorage performance. By using the numerical simulation method, it is concluded that the addition of steel segments into the resin grout can improve t
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9

He, Wen, Kui Zhao, Wang Cheng, Yi Li, Chang Suo Zhang, and Yi Xing Wang. "Guided Wave Nondestructive Inspection of Grouted Rock Bolts: Experiment and Numerical Simulation." Advanced Materials Research 361-363 (October 2011): 108–15. http://dx.doi.org/10.4028/www.scientific.net/amr.361-363.108.

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The properties of a longitudinal guided wave with central frequency 5kHz propagating in partially grouted rock bolts were studied by experimental and numerical simulation methods. The guided wave was excited by the impact–echo method on the free end of the bolt, and the excited wave measured in the experiments was used as excitation input in the numerical simulation. The numerical results match well with the experimental ones. Two empirical formulas were obtained for when the reflected waves from the upper interface and from the embedded end of the bolt could be distinguishably detected. Concl
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10

Xia, Ning, Mao Sen Cao, and Qing Wen Ren. "Experimental Study on Bonding Mechanism between Corroded Bolts and Grout." Key Engineering Materials 345-346 (August 2007): 1063–66. http://dx.doi.org/10.4028/www.scientific.net/kem.345-346.1063.

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In this study, an experiment program is presented to study the bonding mechanism between corroded bolts and grout and in particular the influence on bonding behavior in terms of different corrosion sections along anchor. With respect to four groups of manufactured bolt specimens, the noncorroded and the corroded, respectively, on the front, middle and rear section along anchor, a pullout test is conducted to reveal the relationship between load and loading-end slip and to investigate the bond-stress distribution characterization along full anchor. Experimental results show that corrosion produ
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Dissertations / Theses on the topic "Bolt-grout interface"

1

Ho, Duc An. "Comportement axial des ancrages passifs scellés au rocher : étude de l’interface barre-scellement et modélisation." Thesis, Lyon, 2017. http://www.theses.fr/2017LYSET001/document.

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L’installation et la maintenance des ancrages passifs scellés au rocher représentent un coût important dans le budget de fonctionnement des infrastructures de transport sujettes à l’aléa rocheux. Dans ce contexte, clarifier et optimiser les méthodes de dimensionnement actuellement employées représente un enjeu fort. Or le comportement d’un ancrage passif scellé au rocher est très complexe : il fait intervenir non seulement la rupture des matériaux constituants mais également la rupture des interfaces. Par ailleurs, la résistance de l’interface barre-scellement lors de l’arrachement d’un ancrag
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2

Blanco, Martin Laura. "Étude théorique et expérimentale du boulonnage à ancrage réparti sous sollicitations axiales." Phd thesis, Ecole Nationale Supérieure des Mines de Paris, 2012. http://pastel.archives-ouvertes.fr/pastel-00711490.

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Le boulonnage et le câblage à ancrage réparti sont deux techniques de renforcement du terrain couramment utilisées dans l'industrie minière et dans le génie civil. Au fil de cette recherche, on s'intéresse à la réponse de ces éléments sous des sollicitations axiales de traction, en régime statique. Dans ces conditions, l'expérience montre que la rupture se produit le plus fréquemment à l'interface barre-scellement via un processus de décohésion qui commence dès que la force sur la barre atteint une valeur limite. L'objectif est de mieux comprendre le comportement de cette interface, avant et a
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3

Blanco, Martin Laura. "Étude théorique et expérimentale du boulonnage à ancrage réparti sous sollicitations axiales." Electronic Thesis or Diss., Paris, ENMP, 2012. http://www.theses.fr/2012ENMP0010.

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Abstract:
Le boulonnage et le câblage à ancrage réparti sont deux techniques de renforcement du terrain couramment utilisées dans l'industrie minière et dans le génie civil. Au fil de cette recherche, on s'intéresse à la réponse de ces éléments sous des sollicitations axiales de traction, en régime statique. Dans ces conditions, l'expérience montre que la rupture se produit le plus fréquemment à l'interface barre-scellement via un processus de décohésion qui commence dès que la force sur la barre atteint une valeur limite. L'objectif est de mieux comprendre le comportement de cette interface, avant et a
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