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Rozprawy doktorskie na temat „Anchors”

Autor: Grafiati

Data publikacji: 4 czerwca 2021

Data aktualizacji: 25 lipca 2025

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1

Hu, Shenghua, and 胡盛华. "FRP-strengthened RC slabs anchored with FRP anchors." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2011. http://hub.hku.hk/bib/B47849800.

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Existing reinforced concrete (RC) structure can be strengthened upon the addition of externally bonded high-strength light-weight fibre-reinforced polymer (FRP) composites. An abundance of research over the last two decades has established the effectiveness of the externally bonded FRP via extensive experimental testing. Perhaps the most commonly occurring failure mode though is premature debonding of the FRP and debonding generally occurs at strains well below the strain capacity of the FRP. Debonding failures are undesirable as they are typically brittle and represent an under-utilis

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Steele, Catherine A. "Measuring career anchors and investigating the role of career anchor congruence." Thesis, Coventry University, 2009. http://curve.coventry.ac.uk/open/items/4d808ce0-304f-08e3-36e3-c12a4460c409/1.

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This thesis empirically examines the career orientations inventory (COI) as a measure of career anchors and then, using this measure, it goes on to investigate the relationship between career anchor congruence and work related outcomes, specifically job satisfaction and organisational commitment. The psychometric properties of the 40 item COI (presented by Igbaria and Baroudi, 1993) were explored by the administration of the measure to a sample of 658 individuals from 27 organisations in the UK. Through factor analysis an eight factor structure was demonstrated in line with that proposed by Sc

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3

Ljungberg, Jakob. "Pullout test of rock bolts at the Lima Hydropower station : -Assessment of the test method." Thesis, KTH, Betongbyggnad, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-192448.

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During construction of dams, rock bolts are in general installed in the interface between concrete and rock as an extra safety measure against overturning failure. These bolts are however not allowed to be taken into consideration for the stability calculations of large dams. New standards and new design criterias have increased the requirements of the safety of the old dams, leading to a need for expensive rehabilitation and strengthening. It is possible that consideration of these bolts in stability calculations may lead to money being saved. In order to do so more information about the long

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4

Bengal, Steven T. "The Impact of Implausible Anchors." The Ohio State University, 2012. http://rave.ohiolink.edu/etdc/view?acc_num=osu1343763460.

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Knight, Simon John. "Abstracting anchors from documents." Thesis, University of Southampton, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.243046.

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6

Singh, Neena. "Biosynthesis of glycophospholipid anchors." Case Western Reserve University School of Graduate Studies / OhioLINK, 1990. http://rave.ohiolink.edu/etdc/view?acc_num=case1054926816.

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7

Bill, Jinbiao Bill. "Valuation anchors and premium multiples." Thesis, Lancaster University, 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.535988.

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8

CODARO, ROSANA SILVINA. "CAREER ANCHORS AND JOB SATISFACTION." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2015. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=25844@1.

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O presente estudo visa analisar a relação entre satisfação no trabalho e o alinhamento do emprego do indivíduo com suas habilidades, necessidade e valores, denominadas âncoras de carreira. Para tanto, foi realizada uma pesquisa quantitativa, um survey baseado no Modelo de Âncoras de Carreira de Schein e Van Maanen (2013) e na Escala de Satisfação do trabalho de Siqueira (2008), para uma amostra não probabilística de 96 alunos de uma escola de Administração de uma universidade privada de Rio de Janeiro. A partir da pesquisa concluímos que não existe associação significativa entre a satisfação n

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9

Layton, Emily Gwilliam. "Anchors of Religious Commitment in Adolescence." BYU ScholarsArchive, 2010. https://scholarsarchive.byu.edu/etd/2407.

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This study explores adolescent religious commitment using qualitative data from a religiously diverse (Jewish, Christian, and Muslim) sample of 80 adolescents from California and New England. It identifies a new construct, "anchors of religious commitment," to describe what adolescents are committing to as a part of their religious identity. Seven anchors of religious commitment are discussed: (a) religious traditions, rituals, and laws; (b) God; (c) faith traditions or denominations; (d) faith community members; (e) parents; (f) scriptures or sacred texts; and (g) religious leaders. Various

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10

Jonnalagadda, Silpa P. "Standardization of test methodology: a comparison between three suture anchors." Thesis, Texas A&M University, 2005. http://hdl.handle.net/1969.1/2442.

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Suture anchors have been used successfully in many applications in orthopedics. They have been in the forefront of research in the recent years. Most of the studies, though, have focused on human suture anchors. This research concentrates on the veterinary aspect of suture anchors. Currently, there is no standardization of testing methods. One of the objectives of this research is to develop a standardized method of testing that is clinically relevant, at least for veterinary use. Another objective of this research is to compare the durability of three commercial suture anchors manufactured b

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11

Richardson, Mark Damian. "Dynamically installed anchors for floating offshore structures." University of Western Australia. School of Civil and Resource Engineering, 2008. http://theses.library.uwa.edu.au/adt-WU2008.0230.

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The gradual depletion of shallow water hydrocarbon deposits has forced the offshore oil and gas industry to develop reserves in deeper waters. Dynamically installed anchors have been proposed as a cost-effective anchoring solution for floating offshore structures in deep water environments. The rocket or torpedo shaped anchor is released from a designated drop height above the seafloor and allowed to penetrate the seabed via the kinetic energy gained during free-fall and the anchors self weight. Dynamic anchors can be deployed in any water depth and the relatively simple fabrication and insta

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12

Olsson, Joel, and Richard Härlin. "Improvements of ground anchors for Better Shelter." Thesis, KTH, Skolan för teknikvetenskap (SCI), 2020. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-276718.

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This report is part of a bachelor’s degree project in solid mechanics at KTH, Stockholm. It is performed by two students on behalf of the social enterprise Better Shelter, which provides shelters for people displaced by war and natural disasters. The scope of the project is to expand Better Shelters product specifications by providing improvements of the shelter earth anchors. This would allow use of the shelter in areas affected by higher wind speeds and thereby help more people in need of temporary housing and shelters. The earth anchors prevent the shelter from uplifting and tilting by taki

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13

Blanchette, Jeffrey Lee. "Pullout Strength of Epoxy Anchors Installed Underwater." DigitalCommons@CalPoly, 2012. https://digitalcommons.calpoly.edu/theses/895.

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This work presents the development of a test program and the results from the final round of testing to better understand the effect a submerged anchor installation has on the pullout strength of epoxy anchors. Two different epoxies were tested at embedment depths of two, four, and six bar diameters. These tests utilized three distinct installation procedures under dry and submerged conditions. The testing program occurred over five phases, with the final round used in analysis consisting of 24 anchor pullout tests. These tests showed that the presence of water did not have an effect on the ep

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14

Zavliaris, Konstantinos D. "Mechanical behaviour of adhesive anchors installed in concrete." Thesis, City University London, 1990. http://openaccess.city.ac.uk/7534/.

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The thesis presents the main characteristics of the mechanical behaviour of adhesive anchors installed in concrete. They are the mechanisms of failure, the relationship between applied pull-out load and slip of the anchor and the stresses and strains in each of the three components (steel-resin-concrete). The study is primarily experimental but theoretical and finite element analyses are also included. These main characteristics are dependent on the adhesion and wetting phenomena across the resin-concrete and resin-steel interfaces, and on a series of parameters relating to geometry, propertie

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15

Betru, Getachew. "The behaviour of model fluke anchors in sand." Thesis, Heriot-Watt University, 1995. http://hdl.handle.net/10399/1283.

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16

Schiavon, José Antonio. "Behaviour of helical anchors subjected to cyclic loadings." Universidade de São Paulo, 2016. http://www.teses.usp.br/teses/disponiveis/18/18132/tde-10072017-090437/.

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Helical anchors, used widely to resist uplift loading for a variety of applications, including in transmission towers, pipelines, offshore structures, etc., are subjected to environmental cyclic loads that influence the anchor performance and may induce fatigue failure. However, the influence of cyclic loading on helical anchor behaviour is unknown. A comprehensive evaluation of the effect of cyclic loading on the load-displacement response of single-helix anchors in sandy soils is presented here, including an interaction diagram to help designers evaluate the impact of different conditions in

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17

Al-Mansouri, Omar. "Behavior of bonded anchors in concrete under fire." Thesis, Ecole nationale supérieure Mines-Télécom Lille Douai, 2020. http://www.theses.fr/2020MTLD0011.

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La technique des ancrages par scellement chimique consiste à sceller une tige filetée dans un trou foré dans le béton durci grâce à une résine polymère. Les principaux avantages de cette technique sont la facilité d’installation et les propriétés mécaniques élevées de la résine à température ambiante. Grâce à l’adhérence de la résine, ce type d’ancrage peut être dimensionné pour avoir des performances similaires voire supérieures de celles des autres systèmes d’ancrages (mécaniques et coulés en place). En revanche, à hautes températures, e.g. incendie, l’adhérence de la résine se dégrade rapid

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18

Bylapudi, Gopi. "CORROSION OF ROCK ANCHORS IN US COAL MINES." OpenSIUC, 2010. https://opensiuc.lib.siu.edu/theses/287.

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The mining industry is a major consumer of rock bolts in the United States. Due to the high humidity in the underground mining environment, the rock bolts corrode and loose their load bearing capacity which in turn reduces the life expectancy of the ground support and, thus, creates operational difficulties and number of safety concerns [1]. Research on rock anchor corrosion has not been adequately extensive in the past and the effects of several factors in the mine atmosphere and waters are not clearly understood. One of the probable reasons for this lack of research may be attributed to the

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19

Schiavon, José Antonio. "Behaviour of helical anchors subjected to cyclic loadings." Thesis, Ecole centrale de Nantes, 2016. http://www.theses.fr/2016ECDN0014/document.

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Les ancrages hélicoïdaux, largement utilisés pour résister à des efforts de traction pour une variété d’applications comme les pylônes électriques, les pipelines, les structures offshore, etc., sont soumis à des chargements cycliques qui influent sur la performance d’encrage et peuvent induire une rupture par fatigue. Cependant, l’influence des sollicitations cycliques sur le comportement d’encrage hélicoïdal est mal connue. Une évaluation approfondie de l’effet des charges cycliques sur la réponse effort – déplacement des ancrages avec une seule hélice dans les sols sableux est présentée, inc

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20

Krishna, Y. S. R. "Numerical Analysis Of Large Size Horizontal Strip Anchors." Thesis, Indian Institute of Science, 2000. https://etd.iisc.ac.in/handle/2005/207.

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Structures like transmission towers, tele-communication masts, dry-docks, tall chimneys, tunnels and burried pipelines under water etc are subjected to considerable uplift forces. The net effect of external loading on the foundations of these structures results in forces that try to pull the foundations out of the ground. Anchors are usually provided to resist such uplift forces. Earlier theoretical research of anchor behavior has focused on elastic response and ultimate pullout capacity. Many investigators have proposed techniques for determining the collapse load of anchors. Essentially t

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21

Krishna, Y. S. R. "Numerical Analysis Of Large Size Horizontal Strip Anchors." Thesis, Indian Institute of Science, 2000. http://hdl.handle.net/2005/207.

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Structures like transmission towers, tele-communication masts, dry-docks, tall chimneys, tunnels and burried pipelines under water etc are subjected to considerable uplift forces. The net effect of external loading on the foundations of these structures results in forces that try to pull the foundations out of the ground. Anchors are usually provided to resist such uplift forces. Earlier theoretical research of anchor behavior has focused on elastic response and ultimate pullout capacity. Many investigators have proposed techniques for determining the collapse load of anchors. Essentially the

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22

Panton, Brad. "Numerical modelling of rock anchor pullout and the influence of discrete fracture networks on the capacity of foundation tiedown anchors." Thesis, University of British Columbia, 2016. http://hdl.handle.net/2429/57464.

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Numerous studies presented in this thesis have reported failure of the rock mass surrounding an anchor, as a result of applied external tensile loads (i.e. pullout loads) transferred to rock mass from the anchor and the overlying structure. Resistance to this failure mechanism is provided in design by assuming that the dead weight of a uniformly shaped inverted “cone”, with an assumed initiation point and breakout angle, provides resistance to the design loads. In some cases, a minor contribution of rock mass tensile or shear strength is considered by designers across the area of the assumed

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23

Yang, Ming. "Undrained behavior of plate anchors subjected to general loading." [College Station, Tex. : Texas A&M University, 2008. http://hdl.handle.net/1969.1/ETD-TAMU-2008-12-78.

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24

Kim, Byoung Min. "Upper bound analysis for drag anchors in soft clay." Texas A&M University, 2005. http://hdl.handle.net/1969.1/4887.

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This study presents an upper bound plastic limit analysis for predicting drag anchor trajectory and load capacity. The shank and fluke of the anchor are idealized as simple plates. The failure mechanism involves the motion of the anchor about a center of rotation, the coordinates of which are systematically optimized to determine the minimum load at the shackle. For a given anchor orientation, the direction of the shackle force is varied to establish a relationship between the magnitude and direction of the shackle load. Coupling this relationship to the Neubecker-Randolph anchor line solution

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25

Merouani, Zein-Eddine. "Behaviour of anchors in sand : deterministic and probabilistic analysis /." Stockholm : Division of Soil- and Rock Mechanics, Royal Institute of Technology, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-4357.

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26

Baycan, Serhat. "Field performance of expansive anchors and piles in rock." Online version, 1996. http://bibpurl.oclc.org/web/24932.

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27

Nicholson, Thomas Barrett. "Molecular dissection of the functional specificity of glycophosphatidylinositol anchors." Thesis, McGill University, 2007. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=18463.

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Carcinoembryonic antigen (CEA) is a cell surface protein attached to the membrane by a glycophosphatidylinositol (GPI) anchor, a common modification of cell surface proteins. CEA is overexpressed in many human cancers, and plays a role in tumor progression through its ability to activate certain integrins, thereby blocking cellular differentiation, inhibiting anoikis, and disrupting normal tissue architecture. Previous work established that the CEA GPI anchor contains important and specific information directing these functions, which served as the basis for an investigation of the underlyin

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28

Ottaviani, D. "The genomic anchors of the human major histocompatibility complex." Thesis, University College London (University of London), 2009. http://discovery.ucl.ac.uk/16303/.

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Eukaryotic chromatin is organised into a hierarchy of topologically constrained loop structures. Matrix Attachment Regions (MARs) are genomic sequences that mediate the anchoring of chromatin to the insoluble proteinaceous fraction of the nucleus known as the nuclear matrix. Since only a few MARs have been characterised so far, their role in genomic structure and function is not well understood. The aim of this thesis is to use the human Major Histocompatibility Complex (MHC) as model region to provide novel insights into the relationship between chromatin folding mediated by MARs and gene exp

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29

Hassan, Che Ariffin Bin. "The use of flexible transverse anchors in reinforced soil." Thesis, University of Newcastle Upon Tyne, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.316190.

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30

Weber, Jason David. "Corrosion of Rock Anchors in Illinois Coal Basin Mines." OpenSIUC, 2013. https://opensiuc.lib.siu.edu/theses/1248.

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Rock anchors are used extensively in coal mines in the United States and around the world. The conditions in many of these coal mines are conducive towards the corrosion of rock anchors. Despite this, very little research has been performed to analyze corrosion and its effects on rock anchors in US coal mines. The specific aim of this thesis is to analyze typical Illinois Coal Basin (ICB) mine parameters and their effects on corrosion. A well understood relationship between these parameters and corrosion would be useful in locating highly corrosive areas and mitigating risks associated with co

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31

Song, Zhenhe. "Pullout behaviour of suction embedded plate anchors in clay." Thesis, Curtin University, 2008. http://hdl.handle.net/20.500.11937/2173.

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In recent years oil and gas mining has moved into increasingly deeper water in search of undeveloped fields. As water depths approach and exceed 3000 m conventional offshore foundation systems become inefficient and ineffective in stabilising platforms and floating production storage units. The trend of supporting structure design in deep water has been to install catenary and taut leg mooring systems. Consequently, many types of anchoring systems are being developed and used in order to withstand large mooring forces. The SEPLA (Suction Embedded Plate Anchor) is ideal for use in this situatio

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32

Song, Zhenhe. "Pullout behaviour of suction embedded plate anchors in clay." Curtin University of Technology, Dept. of Civil Engineering, 2008. http://espace.library.curtin.edu.au:80/R/?func=dbin-jump-full&object_id=18648.

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In recent years oil and gas mining has moved into increasingly deeper water in search of undeveloped fields. As water depths approach and exceed 3000 m conventional offshore foundation systems become inefficient and ineffective in stabilising platforms and floating production storage units. The trend of supporting structure design in deep water has been to install catenary and taut leg mooring systems. Consequently, many types of anchoring systems are being developed and used in order to withstand large mooring forces. The SEPLA (Suction Embedded Plate Anchor) is ideal for use in this situatio

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33

McCredden, Mikayla. "Anchors away: The susceptibility and response to infection between native and co-introduced fishes to the alien anchor worm Lernaea cyprinacea." Thesis, McCredden, Mikayla (2016) Anchors away: The susceptibility and response to infection between native and co-introduced fishes to the alien anchor worm Lernaea cyprinacea. PhD thesis, Murdoch University, 2016. https://researchrepository.murdoch.edu.au/id/eprint/35123/.

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The introduction of alien fish species and their alien parasites pose one of the most important threats to freshwater fishes throughout the world. The south-west of Australia has a depauperate, although highly endemic freshwater fish fauna. Of the 200 native freshwater fish species in Australia 144 are exclusively confined to freshwater. In the extreme south-west there are only 11 native freshwater fish species and nine of these are endemic to the region. Six of the 11 freshwater fish species have restricted geographic ranges and four are listed as rare or likely to become extinct. In 2008, st

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34

Nilforoush, Rasoul. "Anchorage in Concrete Structures : Numerical and Experimental Evaluations of Load-Carrying Capacity of Cast-in-Place Headed Anchors and Post-Installed Adhesive Anchors." Doctoral thesis, Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-66333.

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Various anchorage systems including both cast-in-place and post-installed anchors have been developed for fastening both non-structural and structural components to concrete structures. The need for increased flexibility in the design of new structures and strengthening of existing concrete structures has led to increased use of various metallic anchors in practice. Although millions of fasteners are used each year in the construction industry around the world, knowledge of the fastening technology remains poor. In a sustainable society, buildings and structures must, from time to time, be adj

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35

Votruba, Gregory Francis. "Iron anchors and mooring in the ancient Mediterranean (until ca. 1500 CE)." Thesis, University of Oxford, 2014. http://ora.ox.ac.uk/objects/uuid:71d97932-c014-4e94-8305-add589758fd0.

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This dissertation examines ancient anchoring practice in the Mediterranean through ca. 1500 CE, as well as the history and technological developments of iron anchors, which are among the most important tools inherited from the ancient world. The methodology employed is holistic in synthesizing archaeological finds, textual, and iconographic evidence, and includes statistical and geographical analysis based on a substantial catalogue of ancient anchor finds. An experimental project is also included where anchor reconstructions were used in the sea and their utility tested. Mooring is one of the

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36

Eriksson, Daniel, and Tobias Gasch. "Load capacity of anchorage to concrete at nuclear facilities : Numerical studies of headed studs and expansion anchors." Thesis, KTH, Betongbyggnad, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-40820.

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The aim of this thesis was to study the load bearing capacity of anchor plates, used for anchorage to concrete located at nuclear facilities. Two different type of anchor plates were examined, which together constitute the majority of the anchor plates used at Forsmark nuclear facility in Sweden. The first is a cast-in-place anchor plate with headed studs and the second is a post-installed anchor plate which uses sleevetype expansion anchors. Hence, anchors with both a mechanical or a frictional interlock to the concrete were examined. The main analysis tool was the finite element method, thro

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37

Hellrung, II James Lee. "Labels for Anchors: The Good, the Bad, and the Endpoints." TopSCHOLAR®, 2010. http://digitalcommons.wku.edu/theses/156.

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This study was designed to determine if any differences in internal consistency existed between different designs of scale anchors. The three different designs explored were properly designed scales, improperly designed scales, and endpoint only scales. Two-Hundred and thirty-five participants rated the frequency of which they performed various computer activities on a survey using one of the three different designs. Contrary to expectations, internal consistency did not differ across the three designs.

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Zhang, Huawen, and 张华文. "Influence of FRP anchors on FRP-to-concrete bonder interfaces." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2013. http://hub.hku.hk/bib/B49799551.

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Existing reinforced concrete (RC) structural members such as beams, columns and joints can be strengthened and repaired with externally bonded high-strength and light-weight fibre-reinforced polymer (FRP) composites. The effectiveness of such strengthening can, however, be limited by premature debonding of the FRP at strains well below the strain capacity of the FRP. Such failures are also generally sudden and give rise to brittle member behavour. It is therefore important to prevent or even delay debonding failure in order for the FRP strengthening to be more effectively and efficiently used

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39

Hesar, Majid Alizadeh. "Behaviour of pile-anchors subjected to monotonic and cyclic loading." Thesis, University of Sunderland, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.303764.

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40

Alameer, Alameer Marai. "Performance and Design of Retention Anchors in Blast Resistant Windows." Thesis, Université d'Ottawa / University of Ottawa, 2020. http://hdl.handle.net/10393/41528.

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Windows in building façade are vulnerable to blast pressures. When subjected to blast shock waves, glass windows may suffer failures, potentially causing serious injuries and casualties to the building occupants due to the flying glass shards and other projectiles. Protective films and laminated glass are widely used to protect windows against blast loads. These techniques have proven to reduce or prevent hazards associated with glass breakage. The use of steel or strengthened aluminum frames also reduce window blast hazards associated with frame failures. However, such measures are not always

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41

Mollahasani, Ali <1981&gt. "Application of Submerged Grouted Anchors in Sheet Pile Quay Walls." Doctoral thesis, Alma Mater Studiorum - Università di Bologna, 2014. http://amsdottorato.unibo.it/6633/1/PhD_Thesis.pdf.

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Sheet pile walls are one of the oldest earth retention systems utilized in civil engineering projects. They are used for various purposes; such as excavation support system, cofferdams, cut-off walls under dams, slope stabilization, waterfront structures, and flood walls. Sheet pile walls are one of the most common types of quay walls used in port construction. The worldwide increases in utilization of large ships for transportation have created an urgent need of deepening the seabed within port areas and consequently the rehabilitation of its wharfs. Several methods can be used to increase th

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42

Hsiao, Hsiang-Ju, and 蕭湘如. "Effects of Number of Anchors and Anchor-Consistency on Judgment." Thesis, 1999. http://ndltd.ncl.edu.tw/handle/12534590936109657279.

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碩士<br>中原大學<br>心理學系<br>87<br>Studies have found that if an individual receives a number before a numerical judgment is made, his judgment would be influenced by the value of that number. Tversky and Kahneman (1974) named such phenomenon as “anchoring effects.” In previous anchoring studies, the researchers usually presented an anchor (i.e., a number) to the subject. The purpose of the present study is multiple-folded: (1) Whether anchoring effects are identical between single-anchor and multiple-anchor conditions? (2) How does anchor-consistency influence anchoring effects? (3) If anchor-con

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Lin, I.-Feng, and 林一峰. "Vertically Pulled Out Behavior of Single Anchor and Dual Anchors in Gravel Formation." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/10992555996462557092.

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碩士<br>朝陽科技大學<br>營建工程系碩士班<br>99<br>To evaluate the uplift behavior of single anchor and dual anchors installed in gravel formation, a series of triaxial test results were utilized to obtain the parameters of a continuous strain hardening-softening and volume dilation model named “SHASOVOD”. In conjunction with FLAC3D, a numerical study was carried out to analyze the behavior of vertically pulled out behavior of single anchor and anchor groups in gravel formation. A field test program was conducted in gravel within excavating site to verify the applicability of the numerical program. Finally, pa

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Ou, Tai-Chuan, and 歐大銓. "Anchorage Behavior of Horizontal Underreamed Anchors and Vertical Underreamed Anchors in Sand." Thesis, 2002. http://ndltd.ncl.edu.tw/handle/58429869751178539574.

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碩士<br>朝陽科技大學<br>營建工程系碩士班<br>90<br>ABSTRACT A sand model “SHSE” and a 3D numerical software “FLAC3D” have been performed to study the anchorage behavior of horizontal and vertical underreamed anchors in sand. It was found, the anchorage capacity of horizontal anchor increases with overburden depth ratio H/D, but the influence comes from free length ratio Z/D was not evident. Although the total load, shaft friction and end bearing do not reach peak values at same anchor displacement, the total load of deep anchor reaches it peak value at same displacement almost. The peak value of end bearing of

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Tien, Yi-Cheng, and 田義正. "A Comparative Analysis of Tension and Seismic Tests of Chemical Adhesive Anchors and Mechanical Anchors." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/54213015196531151610.

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碩士<br>國立屏東科技大學<br>土木工程系所<br>100<br>This study investigates the behaviors of chemical adhesive anchors and mechanical anchors under tension and seismic forces. The experimental parameters mainly include the concrete strength 20.6 MPa. The experimental results show in a dry environment, we implanted the M12 chemical adhesive anchors into the concrete, the maximum tension average is 47.63 KN. In the tests on effects of damp environment, the maximum tension average is 41.584 KN, which is 86% of the dry state. Subject the anchors to the sinusoidal-tension loads with 0.1Hz. The experimental results

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Lin, Hung-tsung, and 林宏聰. ""News Anchor or News Trumpery? ": A Study on the Competencies of TV News Anchors in Taiwan." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/52076586410858831303.

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Liao, Ming-Yeh, and 廖明曄. "The Mechanical Behavior of Expansion Anchors." Thesis, 1998. http://ndltd.ncl.edu.tw/handle/88913321953186232061.

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碩士<br>國立交通大學<br>土木工程學研究所<br>86<br>The expansion anchor has been used widely to affix the building envelope or annexed structure on concrete because they are easy to install. 　　This study is to test the pullout and shear capacity of the expansion anchor which is generally used in our country. The results were compared with design codes of ACI-349 and Japan Architecture Society. 　　The results show that when the expansion anchor fails due to pullout force, the failure model is concrete cone failure. The angle between the failure surface and horizontal surface is about 30-45 degree. The sleeve exp

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Oliveira, Leandro Collares de. "SoundAnchoring: Personalizing music spaces with anchors." Thesis, 2013. http://hdl.handle.net/1828/4585.

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Several content-based interfaces for music collection exploration rely on Self-Organizing Maps (SOMs) to produce 2D or 3D visualizations of music spaces. In these visualizations, perceptually similar songs are clustered together. The positions of clusters containing similar songs, however, cannot be determined in advance due to particularities of the traditional SOM algorithm. In this thesis, I propose a variation on the traditional algorithm named anchoredSOM. This variation avoids changes in the positions of the aforementioned clusters. Moreover, anchoredSOM allows users to personalize the m

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Tsai, Ying-Jie, and 蔡英傑. "Anchors in Concrete Elements Engineering Properties." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/28845405444104506408.

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碩士<br>國立屏東科技大學<br>土木工程系所<br>101<br>Post-installed anchors include chemical adhesive anchors and mechanical anchors. The post-installed anchor is relatively easier than pre-installed anchor due to on-site construction requirement during installation. M12 chemical anchor, one a half inch mechanical expansion anchor bolt (drop-in anchor), and M12 mechanical screw-in Anchor (Concrete screws) were used in the study. ASTM E488-96, ASTM E1512-01, ICC AC58, ICC AC308 are the reference standards. A comparison tensile test was conducted in dry and wet conditions for the chemical anchor. Tensile test usi

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Su, Ding-fang, and 蘇定方. "Study of Load Transfer Behavior of the Horizontal Modelled Anchors Anchors in Dense Sand under Different Pull Paths." Thesis, 1993. http://ndltd.ncl.edu.tw/handle/89787068949094703823.

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碩士<br>國立臺灣科技大學<br>營建工程技術學系<br>81<br>@　為了解摩擦型水平地錨錨碇段在不同受力型式作用下之荷重傳遞行為,本研究乃以直徑37mm，長度170cm之鋁製模型地錨，埋置於霣降而成之緊密砂土中進行試驗，由錨碇段上粘貼應變計所量測的試驗結果，探討拉力式、壓力式及複合式三種受力型式模型地錨，在不同覆土深度作用下荷重傳遞。研究結果顯示水平地錨之深淺層臨界深度可定為5∼7.5倍地錨直徑；三種受力型式所得到之極限拉拔力相差不多，且於深層時極限拉拔力增量不隨埋置深度增加而呈直線型增加。在相同拉拔力作用下複合式模型地錨錨碇段剖面所承受最大荷重約為拉力式或壓力式之二分之一；荷重傳遞行為受地錨錨碇段彈性模數與地盤彈性模數比值(E/E)所影響；錨身與砂土間之土壓力係數K值於淺層時為上昇之趨勢，過了臨界深度後,則K值變成下降的趨勢。 In order to study the load transfer the bond lengh

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