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Dissertations / Theses on the topic 'Bolt joint'

Author: Grafiati

Published: 4 June 2021

Last updated: 15 February 2022

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1

Blom, Arvid. "Speed dependent friction in bolt joints." Thesis, KTH, Maskinkonstruktion (Inst.), 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-141687.

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Denna rapport undersöker hastighetsberoende friktionsbeteende i zinkpleterade 8.8 M12x1.75 skruvförband med en klämlängd på 82 mm och ett åtdragningsmoment på 120 Nm. Totalt 84 åtdragningar genomförs med nya skruvar, brickor och muttrar för varje åtdragning med utrustning tillhandahållen av Atlas Copco. All data importeras och analyseras i Matlab. Analysen visar att inom en standard avvikelse från medelvärdet kan klämkraften variera med så mycket som 90% beroende på var inom det 10-200 rpms hastighetsspannet skruven drogs åt. Vidare framgår även att restmomentet är mycket beroende av den hasti

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2

Mohammed, Usman Ali. "Analysis of Parameters Affecting Modal Frequencies in Bolted Joint Connections." University of Cincinnati / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1535709260529555.

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3

Selivonec, Jelena. "Konstrukcinių veiksnių įtaka srieginių jungčių elementų deformavimui ir ilgaamžiškumui." Doctoral thesis, Lithuanian Academic Libraries Network (LABT), 2006. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2006~D_20061218_110043-92704.

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Research area and topicality of the work. Large equipment such as pressure vessels, mining equipment, heat exchangers, steam generators and other structures are provided with bolted closures for the purpose of in-service inspection and maintenance of internal components. The serious stress concentrations existing at the thread roots often cause danger of low cycle fatigue failure of the connectors. The load distribution along the threads has a direct influence on the stress at the thread roots. Load distribution in thread is so very unequal that some turns may be over the plastic yield limit b

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4

Xu, Weiwei. "Effect of Bolted Joint Preload on Structural Damping." Scholar Commons, 2013. http://scholarcommons.usf.edu/etd/4794.

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Bolted joints are integral parts of mechanical systems, and bolt preload loss is one of the major failure modes for bolted joint structures. Understanding the damping and frequency response to a varying preload in a single-bolted lap-joint structure can be very helpful in predicting and analyzing more complicated structures connected by these joints. In this thesis, the relationship between the bolt preload and the natural frequency, and the relationship between the bolt preload and the structural damping, have both been investigated through impact hammer testing on a single-bolted lap-joint s

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5

Westlund, Cecilia. "Att utforma förband i limträkonstruktioner för demontering : En studie av förbandstyperna pelar-balk och balk-balk i en hallbyggnad." Thesis, Mittuniversitetet, Institutionen för ekoteknik- och hållbart byggande, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:miun:diva-42689.

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I takt med att fler stora byggnader uppförs i trä ökar medvetenheten om resurshantering. Förbanden i dagens träbyggnader sågas isär och bränns vid rivning på grund av att förbandet inte går att demontera. Demonterbara förband skulle möjliggöra flyttandet av byggnader eller materialåteranvändning av bärande element. För att svara på forskningsfrågan ”Hur kan förband i limträkonstruktioner utformas, med dagens gängse beräkningsmetoder, för att möjliggöra demontering?” studeras en hallbyggnad som projekterats av Sweco. Två förbandstyper, pelar-balk och balk-balk, väljs för utformning av demonterb

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6

Carlsson, Martin. "Förstärkning av betongdammar med slaka bergbultar : en studie av bultars samverkan med bergsprickor." Thesis, KTH, Jord- och bergmekanik, 2015. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-168638.

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Internationellt sett är merparten av de dammbrott som ägt rum kopplat till grundläggningen. Det är oftast kopplat till att det finns osäkerhet i de rådande grundförhållandena. Som extra säkerhet, installerades bergförankringar som en åtgärd att behandla osäkerheterna i de rådande grundförhållandena. I Sverige är merparten av kraftverksdammarna uppförda mellan 1940-och1960 talet. Det var inte ovanligt att cementingjutna slakarmerade kamstål sattes under dammarna som en extra säkerhet. När dessa bergbultar installerades var kunskapen om dess verkningssätt begränsat, då teorier om bergbultens ver

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7

Wirström, Fredrik. "Development and Validation of Threaded Fastener Test Rig." Thesis, Luleå tekniska universitet, Institutionen för teknikvetenskap och matematik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-74502.

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Threaded fastener is one of the most common ways to join components. Having a method to test threaded fasteners is key when designing a joint and even more a nutrunner. A joint is often tightened by a torque applied on the head. The applied torque is equal to three quantities in the joint, the thread torque, the underhead torque and the clamp force. To measure these quantities are the propose of a friction test rig. A test rig was built last year to be able to do that in a flexible and effective way. But the test rig built last year does not have the possibility to measure the underhead torque

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8

Daňa, Jan. "Poruchy mostních závěrů - prognóza jejich životnosti." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2013. http://www.nusl.cz/ntk/nusl-226038.

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This thesis discusses the types of bridge expansion joints certified for use in the Czech Republic and their disorders. The first part was a theoretical evaluation of expansion joint failures. The second part focused on clarifying the failure of anchor bolts at the cantilever expansion joint. On the basis of determining the cause was then designed a method for determining the durability of expansion joints. Prognosis life cycles corresponds records according to administrator- repair works.

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9

Paroulek, Adam. "Ocelový skelet technologického objektu." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2020. http://www.nusl.cz/ntk/nusl-409841.

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The diploma thesis deals with the design of a steel technological structure in the locality of Štětí. The struture is used for the paper production technology. The geometry of the structure was customized to technological requests. The statistic system was considered in two versions – joint connections and frame – joint connections. The frame – joint connections system was chosen for detail processing. The steel structure was calculated by Scia Engineer 19 software. The connections were calculated by Idea statica software. The thesis is processed according to valid standars of ČSN EN.

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10

Rydman, Joakim. "Validation of blast simulation models via drop-tower tests." Thesis, Umeå universitet, Institutionen för fysik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-149403.

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This study aims to validate a screw joint simulation model used by BAE Systems in LS-DYNA during blast simulations. It is important that the screw joint simulation model is physically correct, since the simulation results can influence major design decisions. The study provides a short overview on the subject of bolts and screws, material deformation and stress and strain in materials, of the finite element method (FEM) and on some specific numerical methods used in this study. BAE Systems started a validation project of the screw joint simulation model in 2015, but it was not finished due to

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11

Chen, Lu. "Robustness in fire of steel framed structures with realistic connections." Thesis, University of Manchester, 2013. https://www.research.manchester.ac.uk/portal/en/theses/robustness-in-fire-of-steel-framed-structures-with-realistic-connections(fcf4d94b-56f4-42bc-b20a-e2e497d4c14a).html.

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Joints are the most critical elements in a steel framed structure. In most design guides or codes, the joints are assumed to a have higher fire resistance than the connected structural members because of the lower temperatures in the joints. However, in severe fire conditions, a connected beam's temperature may be higher than its limiting temperature and the beam may develop catenary action when the beam’s axial shortening from large deflections becomes greater than the beam’s thermal expansion. This beam catenary action force could fracture the joints, increasing the risk of progressive colla

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12

Buchta, Vojtěch. "Ocelový skelet průmyslového objektu." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2018. http://www.nusl.cz/ntk/nusl-371858.

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The diploma thesis deal with design of a technological building in Ostrava serving for the sorting of slag to enagle its sequential use. Geometry of the structure was customized to technological requests. Static system was considered in two versions – joint connections with vertical bracing and omni-directional frame. For detail processing was chosen the joint one, besause it showed up as more advantageous. Static calculation was performed by Scia Engineer 14 software, then some typical connections and drawings were manually designed.

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13

Družbík, Jiří. "Sportovní hala v Písku." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2012. http://www.nusl.cz/ntk/nusl-225533.

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The theme of the master’s thesis is to design steel structures sports hall. The proposal is developed in three variants according to ČSN EN. The work addresses the static effect of the steel structure and design of parts and materials design. Plan dimensions are 60x38m, max. internal height is 9,3m. The structure is designed for ultimate limit states and serviceability. The supporting structure is designed as roof arches surround an elliptical girder. In both gable walls are designed steel columns. The work also details and solution design. Sports hall was solved in Scia Engineer 2011 and incl

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14

Mentes, Yavuz. "Analytical and experimental assessment of steel truss bridge gusset plate connections." Diss., Georgia Institute of Technology, 2011. http://hdl.handle.net/1853/42767.

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The I-35W Bridge over the Mississippi River in Minneapolis, MN had a catastrophic failure in the main span of the deck truss in 2007. This collapse has brought significant attention on the gusset plate connections in steel truss bridges throughout the U.S. Steel truss bridge gusset plate design has not received much focus in the past 40 years, and there is a lack of consensus within the design profession on the procedures to evaluate, design, and rate these critical elements. In the short term, based on the best available information on the gusset plate design, the Federal Highway Administrati

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15

Žaba, Tomáš. "Realizace edukační úlohy na experimentální stanici pro modelování předepjatých šroubových spojů." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2011. http://www.nusl.cz/ntk/nusl-229389.

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In the master’s thesis an educational task concerning an experimental apparatus for quantity measurement in preloaded bolted joint is realised. In terms of its preparation an innovation of the apparatus leading to an easier and faster pretension realisation was implemented. The educational task for students and also teaching material were produced. The educational task itself consists in experimental confirmation of the relation between the tightening torque and the caused pretension. An FEM model simulating an apparatus flange deformation by given pretension was designed to verify the experim

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16

Asserin-Lebertr, Alexandra. "Etude expérimentale et prévision des mécanismes de rupture des toles et des joints soudés bout à bout en alliage d'aluminium 6056." Ecole nationale supérieure des mines de Paris, 2005. http://www.theses.fr/2005ENMP1293.

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Dans une démarche globale d'allègement des structures aéronautiques assemblées par soudage (projet ASA avec EADS et ALCAN), le dimensionnement en tolérance au dommage nécessite de connaitre les tailles admissibles des fissures sur les panneaux structuraux de fuselage. Les alliages d'aluminium utilisés dans l'aéronautique ont une ténacité élevée. Les normes appliquées conduisent donc à faire des essais (dits de courbe R) sur de larges plaques. Ces essais sont très couteux et difficiles à modéliser par une approche globale de la rupture. Une approche locale pourrait etre utilisée pour modéliser

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17

Mohamed, Sherif Ali Mohtady. "Behaviour of sleeved bolt connections in precast concrete building frames." Thesis, University of Southampton, 1992. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.315403.

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18

Do, Tan Dan. "The effect of bolt spacing on the tightness behavior of bolted flange joints." Mémoire, École de technologie supérieure, 2012. http://espace.etsmtl.ca/964/1/DO_Tan_Dan.pdf.

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Les assemblages à brides boulonnées munis de joints d’étanchéité sont les systèmes de raccordement les plus répandus entre les différents éléments des réservoirs sous pression. Ils sont largement utilisés dans l'industrie chimique, pétrochimique et nucléaire. Ce sont des structures simples et des assemblages démontables. Ce qui les rend plus attractifs pour connecter des équipements sous pression et la tuyauterie. En plus des risques de fuite, ils ont besoin de maintenance en cours de fonctionnement au cas où les boulons doivent être resserrés ou dévissés pour être remplacés. Bien que le

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19

Janči, Michal. "Nosná konstrukce vícepodlažní budovy." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2016. http://www.nusl.cz/ntk/nusl-240148.

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Diploma thesis deals with the design and assessment of the load bearing structure of a multi-storey building, proposed by the combination of two materials, steel and glued laminated timber. The building has a V-shape, the angle between legs is 120 °. Floor plan dimensions of one arm of the building are approximately 40x20m, building height is 24.3 meters. The building is designed with a flat green roof. The load bearing structure is solved as a heavy frame, lower three floors are made of steel and serves as the business premises, top four floors are residential, and their structure is designed

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20

Nováková, Hana. "Curlingová hala." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2013. http://www.nusl.cz/ntk/nusl-226061.

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Design of load bearing steel structure of a curling building. Examination of main load bearing building blocks. Examination of selected details. Drawing of disposition and selected details. Elaboration of manufactory drawings of chosen segments.

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21

Asserin-Lebert, Alexandra. "Etude expérimentale et prévision des mécanismes de rupture des tôles et des joints soudés bout à bout en alliage d'aluminium 6056." Phd thesis, École Nationale Supérieure des Mines de Paris, 2005. http://tel.archives-ouvertes.fr/tel-00159449.

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Dans une démarche globale d'allègement des structures aéronautiques assemblées par soudage (projet ASA avec EADS et ALCAN), le dimensionnement en tolérance au dommage nécessite de connaitre les tailles admissibles des fissures sur les panneaux structuraux de fuselage. Les alliages d'aluminium utilisés dans l'aéronautique ont une ténacité élevée. Les normes appliquées conduisent donc à faire des essais (dits de courbe R) sur de larges plaques. Ces essais sont très couteux et difficiles à modéliser par une approche globale de la rupture. Une approche locale pourrait etre utilisée pour modéliser

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22

Thomanková, Lucie. "Nosná ocelová konstrukce prodejny a opravny automobilů." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2012. http://www.nusl.cz/ntk/nusl-225691.

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Diploma thesis includes design and examination of steel load-carrying structure. Construction includes car deal warehouse and car repair shop with extension for car varnishing. Car deal warehouse has ground dimensions 22 x 30 m and total high 10 m. Main frame is composed of Vierendeel trusses with arc shape. Car repair shop has ground dimensions 20 x 30 m and total high 10 m. Main frame is composed of truss girders and web-plate columns. Frame extension has ground dimension 20 x 10 m and total high 6,4 m. Cladding is composed of sandwich panels. Store´s gable wall and a part of the roof are gl

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23

Lång, Marcus. "Static Friction in Slip Critical Bolt Joints : Coefficient of Friction in Steel, Aluminium and ED Coated Steel." Thesis, Karlstads universitet, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-55223.

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This project was performed together with ÅF Industry AB in Trollhättan, Sweden. ÅF’s expertise in Trollhättan is oriented towards the automotive industry. It was conducted within the section of CAE and safety where they, for instance, dimension bolt joints in the cars. Bolt joints play an important role in the automotive industry. Slip critical bolt joints are used widely throughout the vehicles. With lack of good test data, the bolt joints need to be dimensioned conservatively. This may lead to that bolt joints are over-dimensioned, adding more mass to the car. On the contrary, the availabili

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24

Cattano, Nicole Marie. "Biomarker Response After an Acute Running Bout in Participants with and without an Acute Knee Injury History." Diss., Temple University Libraries, 2014. http://cdm16002.contentdm.oclc.org/cdm/ref/collection/p245801coll10/id/298162.

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Kinesiology<br>Ph.D.<br>The primary purposes of this study were to determine biomarker concentration levels at pre exercise and in response to an acute running bout in participants with an acute knee injury history (AKIH) in comparison to healthy control participants. The secondary purposes were to determine if self-perceived pre-exercise functional outcome score differences existed between participants with AKIH in comparison to healthy control participants, and whether these measures correlated with biomarker concentration changes after an acute running bout. Twenty-two (10 females, 12 males

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25

Wang, Shunguo. "Joint inversion and integration of multiple geophysical data for improved models of near-surface structures." Doctoral thesis, Uppsala universitet, Geofysik, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-327096.

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Geophysical methods are non-invasive and allow an effective way of understanding subsurface structures and their physical properties. One of the main challenges is the often non-uniqueness of the geophysical models and that several different models can explain a dataset to an agreeable fit. Moreover, noise and limitations in resolution, which are inherent to field data, are additional obstacles for obtaining a true physical property model of the subsurface. Facing all these challenges, geophysicists have dedicated their efforts for decades to recover models that represent, as close as possible

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26

Šrajer, Jan. "Analýza návrhu šroubového přípoje otočné desky kolesového skládkového stroje." Master's thesis, Vysoké učení technické v Brně. Fakulta strojního inženýrství, 2016. http://www.nusl.cz/ntk/nusl-241675.

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This thesis describes an analysis of the design of the bolted connection pivot plate-wheel of bucket wheel stacker-reclaimer loader. The challenge solution is to decide whether the current design is suitable. The thesis contains comparison of calculation according to VDI regulation with the ČSN, performing stress analysis using FEM calculation model and a design of changes, joint bearings with steel structures.

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27

Madireddy, Sandeep Reddy. "Finite Element Modeling of Transverse Post-Tensioned Joints in Accelerated Bridge Construction." DigitalCommons@USU, 2012. https://digitalcommons.usu.edu/etd/1302.

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The Accelerated bridge construction (ABC) techniques are gaining popularity among the departments of transportation (DOTs) due to their reductions of on-site construction time and traffic delays. One ABC technique that utilizes precast deck panels has demonstrated some advantages over normal cast-in-place construction, but has also demonstrated some serviceability issues such as cracks and water leakage to the transverse joints. Some of these problems are addressed by applying longitudinal prestressing. This thesis evaluates the service and ultimate capacities in both flexure and shear, of the

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28

Heine, Christian P. "Simulated Response of Degrading Hysteretic Joints With Slack Behavior." Diss., Virginia Tech, 2001. http://hdl.handle.net/10919/28576.

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A novel, general, numerical model is described that is capable of predicting the load-displacement relationship up to and at failure of multiple-bolt joints in timber of various configurations. The model is not tied to a single input function and bolt holes are permitted to be drilled oversize resulting in a slack system. The model consists of five parts. A new mathematical hysteresis model describes the stiffness of the individual bolt at each time step increment and accounts for non-linear and slack behavior; a mechanically-based structural stiffness model explains the interaction of one

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29

Carbajal, Guillaume. "Apprentissage profond bout-en-bout pour le rehaussement de la parole." Electronic Thesis or Diss., Université de Lorraine, 2020. http://www.theses.fr/2020LORR0017.

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Cette thèse s'insère dans le développement des systèmes de télécommunication mains-libres, en particulier avec des enceintes intelligentes en environnement domestique. L'utilisateur interagit avec un correspondant distant en étant généralement situé à quelques mètres de ce type de système. Les microphones sont susceptibles de capter des sons de l'environnement qui se mêlent à la voix de l'utilisateur, comme le bruit ambiant, l'écho acoustique et la réverbération. Ces types de distorsions peuvent gêner fortement l'écoute et la compréhension de la conversation par le correspondant distant, et il

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30

Kline, Donald Paul. "Performance of snug tight bolts in moment end-plate connections." Thesis, This resource online, 1989. http://scholar.lib.vt.edu/theses/available/etd-05092009-040552/.

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Stocchi, Cesare. "Investigation on the mechanical behaviour of single-lap composite joints with countersunk bolts." Thesis, Imperial College London, 2013. http://hdl.handle.net/10044/1/24134.

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In this thesis, the mechanical behaviour of 2-bolt single-lap CFRP joints with countersunk bolts is investigated, both numerically and experimentally. A detailed 3D non-linear FE model of composite bolted joints has been developed. The model replicates with good agreement the experimental tensile tests up to the point where bearing damage occurs and reproduces the joint behaviour correctly. Five stages are identified in the joint behaviour. The evolution of contact during the test is studied showing a correlation with the joint stiffness. Parametric studies investigate the influence of bolt cl

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32

Carrier, Gérard. "A methodology for the fatigue analysis of lug/pin joints /." Thesis, McGill University, 1988. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=63889.

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Bond, Douglas Edward. "Analytical and experimental investigation of a flush moment end-plate connection with six bolts at the tension flange." Thesis, Virginia Polytechnic Institute and State University, 1989. http://hdl.handle.net/10919/76341.

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An analytical and experimental investigation was conducted to study the six bolt flush moment end-plate connection configuration which is used in steel frame construction. The limit states of plate yielding and bolt fracture were analyzed using yield-line theory to predict endplate thicknesses and a split-tee analogy to develop a method to predict bolt forces. Five experimental tests were conducted on four configurations within a matrix of geometric parameters. The predicted ultimate moment showed good . correlation to the yield moment obtained from the experimental deflection plots. The exper

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34

Hamadi, Hasan. "Structural analysis of an offshore steel monotubular platform ‘morena-1’ and fatigue assesment of leg-boat landing connection joint." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2021.

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Structural analysis of ‘MORENA-1’ platform. As a start for the work,a 3D model wa performed. Firstly, materials and sections were defined, and then assigned to the elements, then a check of dead load case was done to be sure that no design errors are involved. After the check of the design, soil properties for the foundation pile were defined also. For the soil property, two values of undrained shear strength of soil were given in the original project at z=0 at sea bottom and z=-50m, then lateral p-y curves were studied at 30 levels of 1 m space in between. After p-y curves were defined, no

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Kuchtová, Ludmila. "Pavilon v botanické zahradě v Jihlavě." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2020. http://www.nusl.cz/ntk/nusl-409838.

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The aim of this diploma thesis is to design a load-bearing structure of the botanical pavillion in Jihlava. The construction is designed as a variable structure of both steel and timber. Each solution has a different type of ribs. The layout is a hexadecagon with maximum dimension of 30 meters. The height of the building is considered to be 10 meters.

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Vrbka, Jan. "Vyhlídková věž v oblasti jihovýchodní Moravy." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2014. http://www.nusl.cz/ntk/nusl-226913.

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he master’s thesis consists of a case study of an observation tower design made of glue laminated timber and steel. There are two different tower shapes of anchored or free standing tower and these towers are compared. One of the design is chosen and elaborated into final detailing. A short review of main issues bound with the observation towers is given. The review deals mainly with loading (mainly priniples wind loads are analised) and evaluating of towers (ultimate limit states, service limit states and acceleration comfort). The height of final construction is up to 60m. The design is form

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Barke, Derek Woolrich 1975. "An in situ test for stress corrosion damage and tension in bolts." Monash University, Dept. of Mechanical Engineering, 2002. http://arrow.monash.edu.au/hdl/1959.1/7686.

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Fabiánová, Lucie. "Přepočet a variantní návrh nosných konstrukcí objektů administrativního centra." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2014. http://www.nusl.cz/ntk/nusl-226643.

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The aim of this thesis was to develop assessments of existing supporting structure of a rectangular object and design of new options for rectangular and cylindrical object administrative center in the Jihomoravská plynárenská, a.s. in Brno. According to the task have been recalculated construction and design of new structures in accordance with applicable standards. New design of both buildings (rectangular and cylindrical) came from several studies.

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Fouhy, David, and Bayona Francisco Ríos. "Reliability-Based Analysis of Concrete Dams." Thesis, KTH, Jord- och bergmekanik, 2014. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-176867.

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Dams are designed and assessed based on traditional factor of safety methodology. Several drawbacks of this approach exist; for example varying failure probability for structures where the factor of safety is the same. This traditional factor of safety methodology imposes conservative assumptions in terms of both design and analysis. A probability-based analysis has been suggested to account for the omission of uncertainties and provide a less conservative analysis (Westberg & Johansson, 2014). Through the stability analyses of three existing dam structures, a minimum level of reliability

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Jetonický, Pavel. "Vícepodlažní budova." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2013. http://www.nusl.cz/ntk/nusl-226049.

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The subject of the master´s thesis is the design and assessment of the static load-bearing steel structure office building. It is an eight-storey building with a floor plan and dimensions 54x15m. The proposal has three variants. In one of them a steel frame with a hinge attached elements. These are the pillars, beams, trusses, joists and purlins, which are coupled with trapeze plate and thereby secure the stability of the position in the horizontal direction. The steel structure is placed between the reinforced concrete towers.

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Vondráček, Vít. "Nosná konstrukce atypického rodinného domu ve Vrchlabí." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2016. http://www.nusl.cz/ntk/nusl-240297.

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The subject of master’s thesis is design and assessment of steel load-bearing construction of atypical family house in Vrchlabí. Structure is designed as multi-storey steel structure, cooperating with stiff concrete core. The design was considered in four different options which combines possibility of using steel, steel and timber with different way of stiffness for whole structure. There is also composite steel-concrete alternative floor trimmer for selected option. Design and assessment was conducted in accordance with the applicable standards and by using software Scia Engineer.

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Jelena, Zvekić-Svorcan. "Povezanost funkcijskog stanja šake u osteoartrozi i koštane mase merene centralnom dvostrukom apsorpciometrijom X-zraka kosti kod žena u postmenopauzi." Phd thesis, Univerzitet u Novom Sadu, Medicinski fakultet u Novom Sadu, 2019. https://www.cris.uns.ac.rs/record.jsf?recordId=109650&source=NDLTD&language=en.

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UVOD: Artroza &scaron;aka predstavlja jednu od najče&scaron;ćih mi&scaron;ićno-skeletnih bolesti. Manifestuje se bolom, nekada otokom, deformacijom i gubitkom funkcije &scaron;aka. Postoje različita mi&scaron;ljenja o povezanosti osteoartroze (OA) i osteoporoze (OP) kao dva najče&scaron;a skeletna poremećaja. CILJ: istraživanja je da se utvrde faktori rizika za nastanak OA &scaron;aka, uporedi mineralna ko&scaron;tana gustina kod pacijenata sa OA &scaron;aka sa kontrolnom grupom i utvrdi značaj metaboličkog sindroma kod pacijenata sa OA &scaron;aka. MATERIJAL I METODE: Istraživanje je obavljen

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Encarnação, Rodrigo Rabelo da. "Análise do torque de aperto em uniões parafusadas /." Guaratinguetá, 2019. http://hdl.handle.net/11449/181727.

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Orientador: Fernando de Azevedo Silva<br>Resumo: As uniões parafusadas possuem uma grande aplicação na indústria, mas quando se pensa na utilização de parafusos existe uma impressão de ser um elemento de simples dimensionamento e de fácil aplicação. No entanto, o desenvolvimento de uniões por parafusos possui uma complexa sistemática de cálculo e sua montagem requer um cuidado para proporcionar o torque correto e consequentemente a pré-carga ideal. O intuito do trabalho foi a análise da pré-carga de uniões parafusadas a partir do torque de aperto. Para isso foi desenvolvido um torquímetro inst

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Alentorn, Puigcerver Jaume. "Estudio de la precisión del método de los componentes para la predicción del comportamiento rotacional de una basa de pilar : propuestas de mejora para el caso de estudio." Doctoral thesis, Universitat Politècnica de Catalunya, 2016. http://hdl.handle.net/10803/383526.

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Connections between different structural elements, despite the fact that very often have been despised as structural components and have been considered as simple constructive details ,are key elements to guarantee a corree! force distribution and also to ensure a complete fitting between the model used in the design phase and the final built reality. Traditionally they have been design according only to the resistance criterion but, since the introduction of new standards as Eurocode, nowadays their calculation and design can be complemented with stiffness considerations and,still in an earl

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Huang, Jian-Yuan, and 黃建源. "The Research of the Model Bolt Affects the Bolted Joint." Thesis, 2001. http://ndltd.ncl.edu.tw/handle/99214545462089106549.

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碩士<br>國立臺灣科技大學<br>營建工程系<br>89<br>This is a research to do the direct shear test of the rock model, trying to find out how the model bolt affects shearing stress of the bolted joint. The rock model in this research is made by mixing the Ottawa silica sand, gypsum and water to form a rock model of regular saw-tooth joint. An alloyed aluminum model bolt is buried to connect the joint rock masses. The experiment is to change the normal stress, set angle of bolt, distance between bolts and the roughness of model bolts surface for comparison. Results of the tests indicate that,

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Wu, Kang-Cheng, and 吳康正. "Bolt Joint Strength of Structural Glulam Made of Japanese Cedar." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/23448271365667071838.

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碩士<br>國立屏東科技大學<br>木材科學與設計系<br>94<br>The purpose of this study was using domestic plantation of Japanese cedar (Cryptomeria japonica) to manufacture structural glulam material, and investigated the joint properties between full-scale wooden members. The RPF resins adhesive was used for glulam assembly, which the cross section of Japanese cedar laminae was 20×100 mm, and bolts with diameters of 15 mm and 18 mm was used as mechanical fasteners. Each glulam member was fastened with 2, 4 or 6 bolts, and proceeded full-scale testing on tensile and moment-resistance, respectively. The results indicat

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Huang, Jyun-Siang, and 黃俊翔. "The Effects of Bolt Tightening Sequences on The Mechanical Behaviors of Gasketed Flange Joint." Thesis, 2014. http://ndltd.ncl.edu.tw/handle/jz9j73.

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碩士<br>國立雲林科技大學<br>機械工程系<br>102<br>The deformations and stresses on the flange joint during the bolt clamping are related to the sequences of bolt tightening locations. The preload on the bolt is generated by the torque control method. Nonlinear finite element method is used to simulate the effects of bolt tightening sequences on the contact stresses between the gasket and joint as well the deformations of flange joint. 　　The commercial finite element software ANSYS is used to build the 3-D model of flange joint. The threads on both bolts and nuts are generated to consider the contact forces be

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Chen, Yuau-Tay, and 陳元泰. "Finite Element Analysis of Bolt Joint Static & Dynamic analysis model Research & Engineering Application." Thesis, 1996. http://ndltd.ncl.edu.tw/handle/40185163551340681440.

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碩士<br>國立彰化師範大學<br>工業教育學系<br>85<br>ABSTRACT The finite element analysis together with experiment has been accepted as a general method in Computer Aided Engineering. In this thesis the bolt joint models with static or dynamic status applying on actual engineering problems are set up through FEA and experiments since its importa- nce in structure engineering. In the following three cases of the bolt joint model are discussed. 1: The static rigidities of the First-plate & Tie-bar compo- ne

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Peng, Shau-yu, and 彭紹禹. "Pre-load and bolt-hole clearance effects on load distributions in single-lap bolted joint." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/52094031708056217826.

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碩士<br>逢甲大學<br>機械工程學所<br>99<br>In structural design, a bolt joint is a very critical issue that can never be ignored. This thesis uses a nonlinear finite element method to study the stress distribution of the single-row multi-lap joint under different bolt-hole clearances and pre-loads. Under the condition of no pre-load, comparisons of five bolts structure with non-clearance and five bolts structure with the same clearance showed that the stiffness of the bolt joint decrease and the stress reduces and becomes nearly equal. After increasing the clearance of the first bolt-hole, with applied she

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Chen, Chun-Hung, and 陳俊宏. "Mechanical properties of new model riveted bolt applying in single-lapped joint of nanocomposite laminates." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/51918446632969818771.

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碩士<br>中華技術學院<br>飛機系統工程研究所<br>96<br>The purpose of this proposal is first to develop the new model riveted bolt that includes two functions such as 1 the components are nailed by a riveted joint at one side working, 2 the parts are fastened by the thread of bolt and nut with twisting way. Combining the advantages of two functions effectively fabricates a rigid joint to fix the connection of the specimen-lapped. And, the design of new load cell was obtained the clamping force of the joint as applying the torque by using new model riveted bolt. Then, the carbon fiber/epoxy (TC35/Y15037P) prepregs

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