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Journal articles on the topic 'Adhesive anchors'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Braimah, Abass, Ettore Contestabile, and Rick Guilbeault. "Behaviour of adhesive steel anchors under impulse-type loading." Canadian Journal of Civil Engineering 36, no. 11 (November 2009): 1835–47. http://dx.doi.org/10.1139/l09-084.

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The dynamic behaviour of adhesive anchors embedded in concrete is not well established, neither is their behaviour in stone masonry. This paper presents an experimental program designed to study the dynamic behaviour of adhesive anchor – substrate systems under impulse-type loading. The adhesive anchor – substrate systems consisted of steel rods bonded to concrete and limestone with an epoxy-based adhesive. Two steel anchor diameters (6.4 and 9.5 mm), two embedment depths (89 and 114 mm), and two angles of substrate penetration (90° and 45°) were investigated. The predominant failure mode observed for the steel anchor – concrete substrate samples was steel fracture, whereas for the steel anchor – limestone substrate samples, both steel fracture and limestone substrate failure modes were observed. The test results show that in most cases the dynamic increase factor (DIF) of adhesive anchors decreases with an increase in the embedment depth. Also, a substrate penetration angle of 45° increases the DIF in comparison with samples with 90° penetration angle. The DIFs of 1.2 and 2.5 are recommended for adhesive anchors with normal and 45° limestone substrate penetrations, respectively, while for concrete substrate, the recommended DIFs are 1.2 and 3.2 for normal and 45° substrate penetrations, respectively.

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2

Mei, Kui Hua, Zhi Tao Lv, and Ji Wen Zhang. "The Static Test Study on Anchors of CFRP Cables." Advanced Materials Research 671-674 (March 2013): 1635–40. http://dx.doi.org/10.4028/www.scientific.net/amr.671-674.1635.

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The axial performance of CFRP is excellent, while the lateral compression strength and shear strength are low, thus they can’t be anchored by traditional anchors. A new type of adhesive anchor was designed and five experimental cables were fabricated and the static tests were carried out. In the tests, the tensile capacity, bond strength and pullout behavior of CFRP cables anchors filled with resin were discussed. The efficiency coefficients and the load-slip behaviors of the bond-type anchors and the uniformities of the stresses in the tendons were studied. Several conclusions are drawn which have become powerful evidences for using the bond-type anchors in the first cable stayed bridge with CFRP cables in China.

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3

Ninčević, Krešimir, Ioannis Boumakis, Stefan Meissl, and Roman Wan-Wendner. "Consistent Time-to-Failure Tests and Analyses of Adhesive Anchor Systems." Applied Sciences 10, no. 4 (February 24, 2020): 1527. http://dx.doi.org/10.3390/app10041527.

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Motivated by tunnel accidents in the recent past, several investigations into the sustained load behavior of adhesive anchors have been initiated. Nevertheless, the reliable lifetime prediction of bonded anchor systems based on a relatively short testing period still represents an unsolved challenge due to the complex nonlinear viscoelastic behavior of concrete and adhesives alike. This contribution summarizes the results of a comprehensive experimental investigation and systematically carried out time-to-failure analysis performed on bonded anchors under sustained tensile load. Two different adhesive materials that find widespread application in the building industry were used, one epoxy and one vinylester based. Performed experiments include full material characterizations of concrete and the adhesives, bonded anchor pull-out tests at different loading rates, and time-to-failure sustained load tests. All anchor tests are performed in a confined configuration with close support. After a thorough review of available experimental data and analysis methods in the literature, the experimental data are presented with the main goal to (i) provide guidance for the analysis of load versus time-to-failure test data, and (ii) to derive a set of recommendations for efficient time-to-failure tests having in mind the needs associated with different analysis techniques. Finally, a new approach based on a sigmoid function, previously used only for concrete, is for the first time applied to bonded anchors systems and compared to the established regression models.

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4

Dizhur, Dmytro, Arturo Schultz, and Jason Ingham. "Pull-Out Behavior of Adhesive Connections in Unreinforced Masonry Walls." Earthquake Spectra 32, no. 4 (November 2016): 2357–75. http://dx.doi.org/10.1193/011115eqs006m.

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The connections between walls of unreinforced masonry (URM) buildings and flexible timber diaphragms are critical building components that must perform adequately before desirable earthquake response of URM buildings may be achieved. Field observations made during the initial reconnaissance and the subsequent damage surveys of clay brick URM buildings following the 2010/2011 Canterbury, New Zealand, earthquakes revealed numerous cases where anchor connections joining masonry walls or parapets with roof or floor diaphragms appeared to have failed prematurely. These observations were more frequent for adhesive anchor connections than for through-bolt connections (i.e., anchorages having plates on the exterior facade of the masonry walls). Subsequently, an in-field test program was undertaken in an attempt to evaluate the performance of adhesive anchor connections between unreinforced clay brick URM walls and roof or floor diaphragm. The study consisted of a total of almost 400 anchor tests conducted in eleven existing URM buildings located in Christchurch, Whanganui and Auckland. Specific objectives of the study included the identification of failure modes of adhesive anchors in existing URM walls and the influence of the following variables on anchor load-displacement response: adhesive type, strength of the masonry materials (brick and mortar), anchor embedment depth, anchor rod diameter, overburden level, anchor rod type, quality of installation, and the use of metal mesh sleeves. In addition, the comparative performance of bent anchors (installed at an angle of minimum 22.5° to the perpendicular projection from the wall surface) and anchors positioned horizontally was investigated. Observations on the performance of wall-to-diaphragm connections in the 2010/2011 Canterbury earthquakes, a summary of the performed experimental program and test results, and a proposed pull-out capacity relationship for adhesive anchors installed into multi-leaf clay brick masonry are presented herein.

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5

Ozturk, Murat. "Prediction of tensile capacity of adhesive anchors including edge and group effects using neural networks." Science and Engineering of Composite Materials 20, no. 1 (February 1, 2013): 95–104. http://dx.doi.org/10.1515/secm-2012-0059.

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AbstractAdhesive anchors are widely used in seismic strengthening applications to add new structural members or sections to existing concrete members due to their high tensile and compressive strengths, low cost, and easy and fast installation. To safely design such anchors, it is very important to know their pullout capacity under axial tensile forces. This paper explores the pullout capacity of both single and groups of adhesive anchors loaded in tension in uncracked concrete. Quadruple anchor groups were considered for group effect. To this end, 142 single anchor tests including edge effect (located near a concrete edge) and 175 quadruple group anchor tests (totally 317 tests) were obtained from literature. The formulated three-layered artificial neural network method (ANN) was trained using 75% of the data set by using different learning algorithms. The methods were tested with the remaining 25%. The variables taken into account in this study are anchor diameter, embedment length, concrete compressive strength, concrete body height, edge distance (for single anchors), and anchor spacing (for group anchors). It was determined that experimental data can be estimated to a notably close extent via the ANN model.

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6

Al-Mansouri, Omar, Romain Mège, Nicolas Pinoteau, Thierry Guillet, Roberto Piccinin, Kenton McBride, Marco Abate, and Sébastien Rémond. "Design Recommendations for Bonded Anchors under Fire Conditions Using the Resistance Integration Method." Applied Sciences 11, no. 17 (August 25, 2021): 7810. http://dx.doi.org/10.3390/app11177810.

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Fire design of cast-in place and post-installed anchors in concrete under fire is covered by EN 1992-4, Annex D, allowing steel- and concrete-related failure modes of anchors to be calculated. This informative annex of EN 1992-4 is limited to cast-in place or mechanical anchors, whereas post-installed adhesive anchors remain out of its scope. This paper presents a study of the applicability of the more flexible resistance integration method (RIM), proposed originally for the design of the pull-out resistance of post-installed reinforcement (PIR) by Pinoteau, on bonded anchors in uncracked concrete. This method is validated from a comparison of test results obtained from two research projects conducted at CSTB and TU Kaiserslautern on bonded anchors in uncracked concrete under ISO 834-1 fire conditions. The data considered include tests conducted on anchor sizes from M8-M30 using three different adhesives (two epoxy adhesives and one cementitious mortar). Design of the pull-out resistance under fire using RIM requires numerical calculation of temperature profiles considering models of concrete and steel elements; different assumptions about modeling these elements can produce vastly different end results. Finally, recommendations for assessment procedures for bonded anchors under fire conditions are provided as entry data for design.

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7

Bickel, Timothy S., and Fattah Shaikh. "Shear Strength of Adhesive Anchors." PCI Journal 47, no. 5 (September 1, 2002): 92–101. http://dx.doi.org/10.15554/pcij.09012002.92.101.

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8

Ozturk, Murat. "Estimation of Tensile Capacity of Single Anchors Including Edge Effect Using Neural Networks." Advanced Materials Research 747 (August 2013): 424–28. http://dx.doi.org/10.4028/www.scientific.net/amr.747.424.

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The demand for more flexibility in the design and strengthening of concrete structures has resulted in an increased use of anchoring systems. Adhesive anchors are widely used in seismic strengthening applications to add new structural members or sections to existing concrete members. To safely design such anchors, it is very important to know their tensile capacity under axial tensile forces. This paper explores the pullout capacity of single adhesive anchors loaded in tension in un-cracked concrete. To this end 142 single anchor tests including edge effect (located near a concrete edge) were obtained from literature. The formulated three-layered artificial neural network method (ANN) was trained using 75% of the data set by using different learning algorithms. The methods were tested with the remaining 25% of the data set. The variables taken into account in this study are anchor diameter, embedment length, concrete body height and edge distance. It was determined that experimental data can be estimated to a notably close extent via the ANN model.

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9

Sheng, Qin Zhu, Qun Xie, and Xin Wang. "Design and Analysis of Anchor Group under Eccentric Shear Loading." Advanced Materials Research 446-449 (January 2012): 3457–61. http://dx.doi.org/10.4028/www.scientific.net/amr.446-449.3457.

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Adhesive anchors are widely used as post-installed fasteners in civil engineering. A typical steel-to-concrete connection includes multiple anchors which are commonly subjected to combined moment and shear loading. Based on the assumption that all anchors take up shear load, a revised method is developed for the design of ductile anchors, which considers that only the row of most stressed anchors in the tension zone are needed to meet the elliptical interaction of tension and shear capacity requirement during the design process of anchorage group under combined shear and moment loading. The ultimate strength of post-installed fastenings should be controlled by the strength of anchor steel for the purpose of connection safety and full utilization of anchor capacity. For the objective of ductile design in anchor group, the ratio of shear span could be used as an evaluation parameter in the process of strength prediction. According to the theoretical analysis and results comparison, the ductile failure of anchor steel in post-installed fastenings can be guaranteed when the ratio of shear span is greater than 0.6.

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10

Cook, Ronald A., Rolf Eligehausen, and Jörg J. Appl. "Overview: Behavior of Adhesive Bonded Anchors." Beton- und Stahlbetonbau 102, S1 (September 2007): 16–21. http://dx.doi.org/10.1002/best.200710107.

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11

Cattaneo, Sara, and Giovanni Muciaccia. "Adhesive anchors in high performance concrete." Materials and Structures 49, no. 7 (July 18, 2015): 2689–700. http://dx.doi.org/10.1617/s11527-015-0677-4.

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12

Shi, Li Zhong, and Jian Rong Zhang. "Experimental Study on Anchorage Performance of Chemical Adhesive Steel Bar in Concrete." Applied Mechanics and Materials 578-579 (July 2014): 331–34. http://dx.doi.org/10.4028/www.scientific.net/amm.578-579.331.

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This paper describes the behavior of adhesive anchor under pullout load. By measuring steel slips and strain distribution under different loads and observing the damage process of the specimen, the failure modes of anchors, mechanism of bonding and bond stress distribution are investigated and discussed. The study laid the foundation for determining the constitutive relationship of bond slip.

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13

Tipireddy, R., and S. Kumar. "Spatially-degraded adhesive anchors under material uncertainty." International Journal of Adhesion and Adhesives 76 (July 2017): 61–69. http://dx.doi.org/10.1016/j.ijadhadh.2017.02.010.

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14

Wu, Ying Han, Min Lang Lin, and Chich Tsung Lin. "Experimental Bond Performance of CFRP Anchors." Advanced Materials Research 739 (August 2013): 303–8. http://dx.doi.org/10.4028/www.scientific.net/amr.739.303.

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In this paper, the technique: CFRP wrapping combined with CFRP anchors for RC structural member retrofit and its design criteria are introduced for a start. Experimental investigations [1,2, had been adopted and developed the use of CFRP anchors to provide confinement and improve square jacketing behaviors as well as prevent premature debonding for CFRP wraps. To fully determine the anchorage performance of CFRP anchor, a total of forty five specimens for the fiber bolt and the spread tail, two important components in CFRP anchor, were constructed and tested. The experimental results of failure modes were then discussed. For the fiber bolt, an analytical model for single metallic anchor and the best-fit equivalent bond stress were assessed with the test strength. The proposed design strength was also compared and validated the confidence. For the spread tail, the anchoring strength was tested limited due to the fiber rupture even more than the adhesive interface failure. As a result, the influence for the strength capacity of CFRP anchor was determined. The test data are helpful to analyze the behavior and modify the design criteria for the RC member retrofitted by the CFRP anchor technique.

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15

Barnat, Jan, and Miroslav Bajer. "The Shear Strength of Epoxy Adhesive Used for Chemical Anchors." Advanced Materials Research 1122 (August 2015): 278–81. http://dx.doi.org/10.4028/www.scientific.net/amr.1122.278.

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This paper summarizes the results of pilot experimental research focused on determination of the behaviour and bond strength limits of currently most widespread industrial glues used for anchor bonding. The goal of this research is to find the limits of the effective use of such glue types in high performance concrete, and also to verify the most commonly used design methods for bonded anchors. The progress and configuration of the experiments are described. The goal of this research is to find the limits of effective use of these glue types in high performance concrete and also verification of mostly used design methods. The article is closely focused on bond strength experiments using high strength concrete up to class C50/60 or higher together with pure epoxy resin and FRP reinforced resin).

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16

Marcon, Marco, Jan Vorel, Krešimir Ninčević, and Roman Wan-Wendner. "Modeling Adhesive Anchors in a Discrete Element Framework." Materials 10, no. 8 (August 8, 2017): 917. http://dx.doi.org/10.3390/ma10080917.

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17

Braimah, Abass, Rick Guilbeault, and Ettore Contestabile. "Strain rate behaviour of adhesive anchors in masonry." Engineering Structures 67 (May 2014): 96–108. http://dx.doi.org/10.1016/j.engstruct.2014.02.018.

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18

Xie, Qun, Qin Zhu Sheng, and Hao Xue Ju. "Multiple Anchor Behavior of Steel-to-Concrete Connections under Reversed Cyclic Loading." Advanced Materials Research 255-260 (May 2011): 669–73. http://dx.doi.org/10.4028/www.scientific.net/amr.255-260.669.

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Four steel-to-concrete connections with adhesive anchor groups under reversed cyclic loading have been tested. The results showed that anchor steel could reach yield strength before connection failure, generating small shell-shaped concrete cone in the surface of block and the ultimate capacity was governed by strength of anchor. Seismic characteristics of hysteresis curve, rigidity regression, ductility and energy-dissipation were used to draw conclusions that the connections would behave in a ductile manner without significant loss of loading capacity after peak value and visible deformation could develop until failure occurred. Increased embedment depth and added amount of anchors were helpful to improve seismic performance of connections. Only the outer row of most stressed anchors in the tension zone were needed to meet the elliptical interaction of tension and shear capacity requirement during the design process of anchor groups under combined shear and moment loading. In seismic design of steel-to-concrete connections, the predicted capacity by a reduction factor of 0.8 was advised and the comparison of calculated versus observed capacity presented limited variance.

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19

Seo, Seong Yeon. "An Experimental Study on the Adhesive Strength of Lot Anchors with Adhesive Type." Journal of Korean Society of Hazard Mitigation 12, no. 3 (June 30, 2012): 1–9. http://dx.doi.org/10.9798/kosham.2012.12.3.001.

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20

Barnat, Jan, Jan Prokeš, Miroslav Bajer, Ondřej Bezděk, and Martin Vild. "Simplified Testing of the Bond Strength of Adhesives Used for Bonded Anchors." Materials 14, no. 12 (June 15, 2021): 3298. http://dx.doi.org/10.3390/ma14123298.

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The analysis presented in this paper is focused on problems of bond strength as an overall bond quality parameter of industrial adhesives for structural anchoring. In the first part, the problem of bond strength as the most important parameter influencing the final anchor resistance to tension load is described. Further in the text, a new methodology of simplified testing of the strength parameters of adhesives is described. Special test specimens made from steel are repeatedly used in this methodology. Additionally, results of these tests on some new recipes for adhesive are presented. Especially, epoxy resins with special fillers, such as carbon fibres, carbon nanotubes or graphene, were tested. The use of these adhesives in temperatures close to zero degrees Celsius was also tested.

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21

Abd-El Hameed, Mohamed Fattouh, Mariam Farouk Ghazy, and Metwally Abd Allah Abd Elaty. "Optimisation of adhesive anchors in concrete by desirability function." Magazine of Concrete Research 67, no. 20 (October 2015): 1101–11. http://dx.doi.org/10.1680/macr.14.00397.

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22

Ahmed, Ehab A., Ehab F. El-Salakawy, and Brahim Benmokrane. "Tensile Capacity of GFRP Postinstalled Adhesive Anchors in Concrete." Journal of Composites for Construction 12, no. 6 (December 2008): 596–607. http://dx.doi.org/10.1061/(asce)1090-0268(2008)12:6(596).

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23

Hasebe, Kazuhiko, Yosuke Mizuno, and Kentaro Nakamura. "Integrity evaluation of adhesive anchors using electromagnetic acoustic transducer." Journal of the Acoustical Society of America 140, no. 4 (October 2016): 3387. http://dx.doi.org/10.1121/1.4970837.

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24

Upadhyaya, Priyank, and S. Kumar. "Pull-out capacity of adhesive anchors: An analytical solution." International Journal of Adhesion and Adhesives 60 (July 2015): 54–62. http://dx.doi.org/10.1016/j.ijadhadh.2015.03.006.

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25

Kumar, S., and M. A. Khan. "A shear-lag model for functionally graded adhesive anchors." International Journal of Adhesion and Adhesives 68 (July 2016): 317–25. http://dx.doi.org/10.1016/j.ijadhadh.2016.04.010.

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26

Contrafatto, Loredana, and Renato Cosenza. "Behaviour of post-installed adhesive anchors in natural stone." Construction and Building Materials 68 (October 2014): 355–69. http://dx.doi.org/10.1016/j.conbuildmat.2014.05.099.

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27

Ahmed, Lenda T., and Abass Braimah. "Tensile behaviour of adhesive anchors under different strain rates." Engineering Structures 192 (August 2019): 113–25. http://dx.doi.org/10.1016/j.engstruct.2019.04.072.

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28

Ahmed, Lenda T., and Abass Braimah. "Shear behaviour of adhesive anchors under different strain rates." Engineering Structures 244 (October 2021): 112763. http://dx.doi.org/10.1016/j.engstruct.2021.112763.

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29

Gerber, Brian, and Mahmut Ekenel. "Building Code Requirements for Inspection of Adhesive Anchors in Concrete." Journal of Construction Engineering and Management 139, no. 10 (October 2013): 06013001. http://dx.doi.org/10.1061/(asce)co.1943-7862.0000733.

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30

Epackachi, Siamak, Omid Esmaili, Seyed Rasoul Mirghaderi, and Ali Asghar Taheri Behbahani. "Behavior of adhesive bonded anchors under tension and shear loads." Journal of Constructional Steel Research 114 (November 2015): 269–80. http://dx.doi.org/10.1016/j.jcsr.2015.07.022.

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31

Shi, Li Zhong, and Jian Rong Zhang. "Experimental Research on the Behavior of Adhesive Reinforcement under Pullout Load." Applied Mechanics and Materials 501-504 (January 2014): 1027–31. http://dx.doi.org/10.4028/www.scientific.net/amm.501-504.1027.

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This paper reports the experimental results of 5 groups of 18 adhesive reinforcement bars in concrete under pullout load. Through observing the experiment process, measuring the characteristic loads, and analyzing the failure mechanism, the behavior of adhesive reinforcement under tensile load is studied and described. Based on the tests and previous findings of other researchers, the five failure modes observed for adhesive anchors can be summarized.The formula to calculate the ultimate strength and some design suggestion are also presented.

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32

Chen, Tian Jiao, Yong Quan Wang, and Wahab Abdul Ghafar. "Simulation Analysis of Chemically Bonded Anchors in ABAQUS." Key Engineering Materials 744 (July 2017): 174–78. http://dx.doi.org/10.4028/www.scientific.net/kem.744.174.

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At present, the finite element analysis has been an effective method to study the mechanical properties of steel bar drawing. In this paper, finite element analysis of the influence of bond strength on anchorage performance with concrete plastic damage model based on nonlinear analysis in ABAQUS was carried out. The finite-element analysis model of the single bar was established by using the finite element software ABAQUS. The Spring2 nonlinear spring element was introduced to simulate the interface of concrete and adhesive. Chemical anchorage bond slip constitutive model was determined by Spring2 element real constants. The nonlinear characteristics of concrete materials under the single reinforcement drawing could be described with the combination of the concrete plastic damage constitutive mode and nonlinear finite element methods. The nonlinear behavior of concrete under uniaxial tension of the action, especially the crack and stress distribution, could be accurately described. In order to study the influence of adhesive bond strength of chemically-bonded rebar mechanical properties, the constitutive relation of the bonded rebar slip of test results was referenced. The nonlinear property of spring was assigned by the bond slip relationship, embodied in the F-D curve of the spring. In order to analysis the influence of bond strength on anchorage performance, the slope of linear growth stage and the peak of nonlinear growth stage in bond slip relationship curve were changed.

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33

Seo, Seong Yeon. "A Study on the Shear Strength of Anchors with Adhesive Type." Korean Society of Hazard Mitigation 16, no. 6 (December 31, 2016): 35–43. http://dx.doi.org/10.9798/kosham.2016.16.6.35.

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34

Seo, Seong-Yeon. "A Study on the Adhesive Strength of Capsule Chemical Lot Anchors." Journal of Korean Society of Hazard Mitigation 11, no. 5 (October 31, 2011): 9–15. http://dx.doi.org/10.9798/kosham.2011.11.5.009.

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35

ISHIDA, Yutaro, Hiroyasu SAKATA, Yuya TAKASE, Yusuke MAIDA, and Takumi SATO. "3D FEM ANALYSIS OF POST-INSTALLED ADHESIVE ANCHORS UNDER COMBINED STRESS." Journal of Structural and Construction Engineering (Transactions of AIJ) 83, no. 751 (2018): 1307–17. http://dx.doi.org/10.3130/aijs.83.1307.

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36

Podroužek, Jan, and Roman Wan‐Wendner. "Uncertainty analysis of the power law extrapolation techniques for adhesive anchors." Structural Concrete 19, no. 6 (April 6, 2018): 1760–70. http://dx.doi.org/10.1002/suco.201700191.

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37

Lahouar, Mohamed Amine, Jean-François Caron, Nicolas Pinoteau, Gilles Forêt, and Karim Benzarti. "Mechanical behavior of adhesive anchors under high temperature exposure: Experimental investigation." International Journal of Adhesion and Adhesives 78 (October 2017): 200–211. http://dx.doi.org/10.1016/j.ijadhadh.2017.07.004.

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38

Sakla, Sherief S. S., and Ashraf F. Ashour. "Prediction of tensile capacity of single adhesive anchors using neural networks." Computers & Structures 83, no. 21-22 (August 2005): 1792–803. http://dx.doi.org/10.1016/j.compstruc.2005.02.008.

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39

Pavlova, Marina, Vladimir Zakharov, Maksim Pavlenko, and Polina Vakhturova. "Grips for testing of chemical (adhesive) anchors with periodic profile rebar." Bulletin of Science and Research Center “Stroitelstvo”, no. 1(28) (2021): 45–54. http://dx.doi.org/10.37538/2224-9494-2021-1(28)-45-54.

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Современные приборы для испытаний на «вырыв» не комплектуются специальными захватами для связей и арматуры периодического профиля. Предложен новый тип захвата для испытаний муфта-захват. Проведены лабораторные испытания химических анкеров с арматурой периодического профиля с применением новых типов захватов (муфт-захватов). Выполнен сравнительный анализ полученных результатов испытаний анкеров с применением четырех типов захватов. Сформулированы предложения по применению захватов при проведении натурных испытаний на объекте и в лабораторных условиях.

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40

Wolff, Jonas O., Ingo Grawe, Marina Wirth, André Karstedt, and Stanislav N. Gorb. "Spider's super-glue: thread anchors are composite adhesives with synergistic hierarchical organization." Soft Matter 11, no. 12 (2015): 2394–403. http://dx.doi.org/10.1039/c4sm02130d.

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41

Zhou, Wu, Fei Li, Huijun Yu, Hao Qu, Rui Hao, Dong Wang, Sheng Sun, and Bei Peng. "Influence of adhesive non-uniformity on zero offset of micro accelerometer." International Journal of Modern Physics B 31, no. 31 (December 10, 2017): 1750242. http://dx.doi.org/10.1142/s0217979217502423.

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Adhesive attaching is a common method used in the packaging of high accurate MEMS devices. A full understanding of the effects of adhesive on device performance, therefore, plays a significant role in MEMS design because the thermal stress formed in packaging process highly depends on the shape, size, amount, properties and layout of the die attach adhesive. This paper investigates intensively the influence of adhesive nonuniformity in the sensitive direction of microaccelerometers on the distribution of thermal stress during the variation of environment temperature. The thermal stress will induce a movement of anchors and lead to nonzero voltage output of microaccelerometer. The influence of the adhesive with different levels of nonuniformity [Formula: see text] on zero voltage output is investigated and the results show that the adhesive nonuniformity significantly influences the zero offset of the sensors, and the maximum one can reach 8.6 mV when nonuniformity factor is 0.975.

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42

OSHIMA, Mutsumi, Kimihiko MORITA, Tomoaki SUGIYAMA, and Toshikazu HANAZATO. "TENSILE AND SHEAR BEHAVIORS OF POST-INSTALLED ADHESIVE ANCHORS IN BRICK CONSTRUCTION." AIJ Journal of Technology and Design 22, no. 52 (2016): 983–86. http://dx.doi.org/10.3130/aijt.22.983.

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43

Gesoğlu, Mehmet, and Erhan Güneyisi. "Prediction of load-carrying capacity of adhesive anchors by soft computing techniques." Materials and Structures 40, no. 9 (June 12, 2007): 939–51. http://dx.doi.org/10.1617/s11527-007-9265-6.

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Yae, Shinji, Tatsuya Hirano, Keisuke Sakabe, Naoki Fukumuro, and Hitoshi Matsuda. "Adhesive Metal Film Formation on Silicon by Electroless Deposition Using Catalytic Anchors." ECS Transactions 25, no. 27 (December 17, 2019): 215–20. http://dx.doi.org/10.1149/1.3318521.

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Prieto-Muñoz, Pablo A., Huiming M. Yin, and Rene B. Testa. "An elastic analysis that predicts the pull-out capacity of adhesive anchors." IOP Conference Series: Materials Science and Engineering 10 (June 1, 2010): 012151. http://dx.doi.org/10.1088/1757-899x/10/1/012151.

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Boumakis, Ioannis, Marco Marcon, Krešimir Ninčević, Lisa-Marie Czernuschka, and Roman Wan-Wendner. "Concrete creep and shrinkage effect in adhesive anchors subjected to sustained loads." Engineering Structures 175 (November 2018): 790–805. http://dx.doi.org/10.1016/j.engstruct.2018.07.067.

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Koch, P. J., M. G. Mahoney, G. Cotsarelis, K. Rothenberger, R. M. Lavker, and J. R. Stanley. "Desmoglein 3 anchors telogen hair in the follicle." Journal of Cell Science 111, no. 17 (September 1, 1998): 2529–37. http://dx.doi.org/10.1242/jcs.111.17.2529.

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Little is known about the function of desmosomes in the normal structure and function of hair. Therefore, it was surprising that mice without desmoglein 3 (the autoantigen in pemphigus vulgaris) not only developed mucous membrane and skin lesions like pemphigus patients, but also developed hair loss. Analysis of this phenotype indicated that hair was normal through the first growth phase (‘follicular neogenesis’). Around day 20, however, when the hair follicles entered the resting phase of the hair growth cycle (telogen), mice with a targeted disruption of the desmoglein 3 gene (DSG3-/-) lost hair in a wave-like pattern from the head to the tail. Hair then regrew and was lost again in the same pattern with the next synchronous hair cycle. In adults, hair was lost in patches. Gentle hair pulls with adhesive tape showed that anagen (growing) hairs were firmly anchored in DSG3-/- mice, but telogen hairs came out in clumps compared to that of DSG3+/− and +/+ littermates in which telogen hairs were firmly anchored. Histology of bald skin areas in DSG3-/- mice showed cystic telogen hair follicles without hair shafts. Histology of hair follicles in early telogen, just before clinical hair loss occurred, showed loss of cell adhesion (acantholysis) between the cells surrounding the telogen club and the basal layer of the outer root sheath epithelium. Electron microscopy revealed ‘half-desmosomes’ at the plasma membranes of acantholytic cells. Similar acantholytic histology and ultrastructural findings have been previously reported in skin and mucous membrane lesions of DSG3-/- mice and pemphigus vulgaris patients. Immunoperoxidase staining with an antibody raised against mouse desmoglein 3 showed intense staining on the cell surface of keratinocytes surrounding the telogen hair club in normal mice. Similar staining was seen in human telogen hair with an anti-human desmoglein 3 antibody. Finally, a scalp biopsy from a pemphigus vulgaris patient showed empty telogen hair follicles. These data demonstrate that desmoglein 3 is not only critical for cell adhesion in the deep stratified squamous epithelium, but also for anchoring the telogen hair to the outer root sheath of the follicle and underscore the importance of desmosomes in maintaining the normal structure and function of hair.

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Goldmann, Anja S., Christine Schödel, Andreas Walther, Jiayin Yuan, Katja Loos, and Axel H. E. Müller. "Biomimetic Mussel Adhesive Inspired Clickable Anchors Applied to the Functionalization of Fe3O4 Nanoparticles." Macromolecular Rapid Communications 31, no. 18 (September 9, 2010): 1608–15. http://dx.doi.org/10.1002/marc.201000193.

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Mahadik, V., and J. Hofmann. "Creep behaviour of tension loaded adhesive anchors in non-cracked low strength concrete." IOP Conference Series: Materials Science and Engineering 615 (October 15, 2019): 012092. http://dx.doi.org/10.1088/1757-899x/615/1/012092.

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Chen, Pei Ching, Min Lang Lin, and Yin Han Wu. "Axial Performance of Various Strengthening Methods Applied on Full-Scale Rectangular RC Columns." Applied Mechanics and Materials 82 (July 2011): 618–23. http://dx.doi.org/10.4028/www.scientific.net/amm.82.618.

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The performance of RC columns subjected to axial force is relative to the confinement. CFRP wrapping, a generally adopted retrofit method, was proved not to effectively provide confining force due to the bulging effect on the column face. Therefore, this paper is focused on the performance of the retrofitted full-scale rectangular RC columns using different retrofit schemes including the proposed CFRP wrapping conjugated with CFRP anchors method. A total of eleven rectangular RC columns with low transverse reinforcement ratio were constructed. Among them, one was tested as benchmark; one was purposely constructed with larger transverse reinforcement ratio; five were retrofitted by using CFRP wrapping and CFRP anchors; and the other four were retrofitted by using different shapes of steel jacketing alone or with adhesive anchors. All the specimens were subjected to monotonic incremental axial force until failure occurred. Experimental results demonstrated that the ductility of the specimens retrofitted by using CFRP wrapping with CFRP anchors was significantly improved compared with those retrofitted by using only CFRP wrapping. On the other hand, the specimen with octagonal steel jacketing performed better than all other specimens not only on ductility but also on strength. Finally, a novel numerical model considering the contribution of the retrofit material will be proposed and validated in the future.

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