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Dissertations / Theses on the topic 'Tensile strength and elongation'

Author: Grafiati

Published: 3 June 2025

Last updated: 31 July 2025

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1

Song, Jinzhi, Wenhui Lu, Ke Wang, Baozhen Cheng, Shan Cao, and Yanchun Li. "Characteristics Analysis of High Mechanical Strength Gymnastic Leather and Its Producing Process Optimization - 44." Verein für Gerberei-Chemie und -Technik e. V, 2019. https://slub.qucosa.de/id/qucosa%3A34267.

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Content: With the development of China sports, researches related to sports leather should be paid attention because they usually required higher strength than commonly used leather. In this paper, we focus on the production of gymnastics leather. In gymnastics, the athlete's hand will have high intensity contact with the balance bar, so the gymnastics leather is required to have high intensity performance. At the same time, in order to comply with the ornamental function, gymnastics leather is required to be light color. In this research, glutaraldehyde was used as the main tanning agent, whi

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2

Stenzel, Sandra, M. Schröpfer, I. Prade, and Michael Meyer. "Leather properties as a function of cattle breed - 248." Verein für Gerberei-Chemie und -Technik e. V, 2019. https://slub.qucosa.de/id/qucosa%3A34333.

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Content: Since hundreds of years, tanners share the opinion that hides from different cattle breeds lead to varying leather qualities. Especially European hides from the alpine region (e. g. Simmentaler or brown origin) are preferred by tanners. These leathers feature a higher thickness, a maximum utilisation induced by a minor thickness difference over the whole area and a lower tensile strength in contrast to leathers from other breeds. However, are these alpine hides better because of their breed affiliation or because they are kept in special regional conditions? It is known that, besides

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3

Kuodė, Aura. "Fleksografinių atspaudų mechaninių ir optinių savybių tyrimas." Master's thesis, Lithuanian Academic Libraries Network (LABT), 2014. http://vddb.library.lt/obj/LT-eLABa-0001:E.02~2014~D_20140619_092034-53884.

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Baigiamajame magistro darbe tirta popieriaus paviršiaus ir mechaninių savybių kaita spausdinant fleksografiniais dažais ir keičiant dažų sluoksnio storį. Tyrimams buvo pasirinktos šešios kreidinio ir nekreidinio popieriaus rūšys. Buvo tirtos šių mechaninių ir paviršiaus savybių kaita: spalvinės charakteristikos, atsparumas tempimui ir pailgėjimas, atsparumas lankstymui, PPS šiurkštumas, trinties savybės, popieriaus sugertis. Buvo nustatyta, kad fleksografiniai dažai didina popieriaus šiurkštumą, trūkio jėga ir atsparumas lankstymui visada yra didesni išilgine popieriaus kryptimi, atsparumas te

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4

Bento, Ronaldo Euzébio. "Estudo do comportamento da resina base na formulação de compósitos de politetrafluoretileno com bronze." [s.n.], 2011. http://repositorio.unicamp.br/jspui/handle/REPOSIP/266830.

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Orientador: João Sinézio de Carvalho Campos<br>Dissertação (mestrado) - Universidade Estadual de Campinas, Faculdade de Engenharia Química<br>Made available in DSpace on 2018-08-19T08:39:45Z (GMT). No. of bitstreams: 1 Bento_RonaldoEuzebio_M.pdf: 1080016 bytes, checksum: c783e50a51346a7d89eb82f52976eb49 (MD5) Previous issue date: 2011<br>Resumo: Esse trabalho concentra os estudos na investigação das propriedades de resistência a tração e alongamento do compósito de Politetrafluoretileno (PTFE) com 60% de bronze após a substituição do tipo de PTFE utilizado na formulação desse compósito. Atua

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5

Yin, Penghai. "Tensile Strength of Unsaturated Soils." Thesis, Université d'Ottawa / University of Ottawa, 2021. http://hdl.handle.net/10393/41841.

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Desiccation-induced soil cracking is of significant interest in several engineering disciplines, which include geotechnical and geoenvironmental engineering, mining engineering, and agriculture engineering. The hydraulic, mechanical, thermal and other physico-chemical properties of unsaturated soils can be predominantly influenced due to cracks. Reliable information of these properties is required for the rational design and maintenance of earth structures taking account of the influence the soil-atmosphere interactions (e.g., for expansive soil slopes, earth dams, and embankments). In spite o

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6

Huang, Jian. "The Tensile Strength of Liquid Nitrogen." PDXScholar, 1992. https://pdxscholar.library.pdx.edu/open_access_etds/1134.

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The tensile strength or the negative pressure required to induce cavitation in a pure liquid has been a puzzling subject. On one hand, the classical nucleation theory has met great success in predicting the nucleation rates of superheated liquids. On the other hand, most of reported experimental values of the tensile strength for different liquids are far below the prediction from the classical nucleation theory. In this study, homogeneous nucleation in liquid nitrogen and its tensile strength have been investigated. In order to carry out the measurement of the tensile strength of liquid nitro

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7

Baltodano-Goulding, Rafael. "Tensile strength, shear strength, and effective stress for unsaturated sand." Diss., Columbia, Mo. : University of Missouri-Columbia, 2006. http://hdl.handle.net/10355/4364.

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Thesis (Ph.D.)--University of Missouri-Columbia, 2006.<br>The entire dissertation/thesis text is included in the research.pdf file; the official abstract appears in the short.pdf file (which also appears in the research.pdf); a non-technical general description, or public abstract, appears in the public.pdf file. Title from title screen of research.pdf file viewed on (February) Vita. Includes bibliographical references.

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8

McClain, Michael Patrick. "A micromechanical model for predicting tensile strength." Thesis, This resource online, 1996. http://scholar.lib.vt.edu/theses/available/etd-10052007-143117/.

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9

Nissen, Joel Alan. "The Tensile Strength of Liquid Helium Four." PDXScholar, 1988. https://pdxscholar.library.pdx.edu/open_access_etds/1357.

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It is well known that most liquids exhibit a tensile strength which is much smaller in magnitude than the tensile strength predicted by homogeneous nucleation theory. This lack of agreement is usually attributed to the difficulty of preparing liquid samples free from foreign gases which act as heterogeneous nucleation sites. Liquid helium occupies a unique place among liquids for tensile strength measurements because all foreign gases are frozen out at liquid helium temperatures. Furthermore, superfluid 4He should fill all crevices on solid surfaces, eliminating the chance of heterogeneous nuc

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10

Shang, Junlong. "Persistence and tensile strength of incipient rock discontinuities." Thesis, University of Leeds, 2016. http://etheses.whiterose.ac.uk/15527/.

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Rock discontinuities are fundamentally important to most rock engineering projects but predicting or measuring their properties such as roughness, aperture, shape and extent (persistence) are fraught with difficulty. So far the solution of how to measure or predict persistence is poorly researched partly because the concept of how to investigate the extent of rock discontinuities within a rock mass seems intractable, by any economical methods. In the majority of engineering applications it is a fairly widespread practice to follow a conventional approach, assuming a 100% persistence value. How

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11

Yamaguchi, Takashi. "Fundamental Study on High Strength Bolted Tensile Joints." Kyoto University, 1996. http://hdl.handle.net/2433/160789.

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本文データは平成22年度国立国会図書館の学位論文(博士)のデジタル化実施により作成された画像ファイルを基にpdf変換したものである<br>Kyoto University (京都大学)<br>0048<br>新制・課程博士<br>博士(工学)<br>甲第6407号<br>工博第1504号<br>新制||工||1025(附属図書館)<br>UT51-96-F286<br>京都大学大学院工学研究科土木工学専攻<br>(主査)教授渡邊英一, 教授小林昭一, 教授土岐憲三<br>学位規則第4条第1項該当

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12

Ifland, Chad. "TENSILE STRENGTH OF STEEL PLATES USING LONGITUDINAL WELDS." OpenSIUC, 2012. https://opensiuc.lib.siu.edu/theses/800.

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When a tension steel plate is welded to a gusset steel plate and a tension load is transmitted to the gusset plate by longitudinal welds along both edges at the end of the tension plate, the shear lag factor (U) is used to determine the design tensile strength for the plate. The shear lag factor is determined from the American Institute of Steel Construction (AISC) Manual. The shear lag factor is selected from the table based on the length of the weld and the width of the steel plate that is in tension. The thickness of the plates, boundary condition of the gusset plate, the size and strength

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13

Zheng, Wei, and 鄭偉. "Shock vibration resistance and direct tensile strength of concrete." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2001. http://hub.hku.hk/bib/B31242753.

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Zheng, Wei. "Shock vibration resistance and direct tensile strength of concrete." Hong Kong : University of Hong Kong, 2001. http://sunzi.lib.hku.hk/hkuto/record.jsp?B23273124.

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15

Win, San San Civil &amp Environmental Engineering Faculty of Engineering UNSW. "Tensile strength of compacted soils subject to wetting and drying." Awarded by:University of New South Wales. School of Civil and Environmental Engineering, 2006. http://handle.unsw.edu.au/1959.4/31157.

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Knowledge of the stress-strain relationship of the compacted soils in tension is of importance for understanding of cracking that occurs in earth structures, in particular embankment dams and landfill barriers. Understanding the correlation between tensile properties and traditional soil parameters and soil suction is essential in identifying problems associated with desiccation induced cracking. A series of extensive laboratory experiments were performed on three different soils from existing embankment dams. This thesis concentrated on the investigation of tensile strength in relation to the

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16

Fields, Kelvin L. "Tension stiffening response of high-strength reinforced concrete tensile members." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1998. http://www.collectionscanada.ca/obj/s4/f2/dsk2/tape17/PQDD_0002/MQ35492.pdf.

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17

Newton, John Michael. "The tensile strength and fracture toughness of heavy clay bodies." Thesis, University of Sheffield, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.296976.

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18

JUNIOR, JOAQUIM NUNES MARTINS. "TENSILE STRENGTH OF A CONCRETE ANCHORING SUBJECTED TO IMPACT LOAD." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2006. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=8724@1.

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CONSELHO NACIONAL DE DESENVOLVIMENTO CIENTÍFICO E TECNOLÓGICO<br>Este trabalho tem como objetivo estudar a resistência de um sistema de ancoragem composto de pinos com cabeça embutidos no concreto, quando submetidos a cargas de impacto. A variável adotada foi a taxa de carregamento cujos valores mínimo e máximo foram 0,015 kN/s (estático) e 54.885 kN/s, respectivamente. O sistema de ancoragem foi projetado de forma que a ruptura fosse governada pelo arrancamento do cone de ruptura. Foram ensaiados onze blocos de concreto com um pino embutido no concreto, sujeitos a diferentes taxas de a

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19

Mansoor, Zaheer Ahmad. "Xylan as Strength Enhancing Additive." Thesis, KTH, Skolan för kemivetenskap (CHE), 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-145861.

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The effect of xylan from different plant species on tensile properties of spruce pulp was studied. Xylans from spruce, birch, wheat straw and rice husks were mixed with the fresh white liquor and added at the later stages of separate kraft cooks, in exchange of the black liquor removed from the system at that time. Results show that xylans, from rice husk, wheat straw and birch, gave stronger pulps. However it was only possible to attach small quantities of xylans onto the fibers. Moreover, pulps containing birch and rice xylan were easier to beat than the other pulps in the study.

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20

Mahjoub-Moghaddas, Hamid. "Tensile and shear impact strength of concrete and fibre reinforced concrete." Thesis, Cardiff University, 1991. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.261439.

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21

Simone, Anthony E. (Anthony Eugene) 1970. "The tensile strength of porous copper made by the GASAR process." Thesis, Massachusetts Institute of Technology, 1994. http://hdl.handle.net/1721.1/38358.

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Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 1994.<br>Vita.<br>Includes bibliographical references (leaves 124-126).<br>by Anthony E. Simone, Jr.<br>M.S.

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22

Kleiner, Mark. "Correlation Between Tensile Strength and Collagen Content in Cultured Skin Substitutes." University of Cincinnati / OhioLINK, 2005. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1106765630.

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23

Kamimura, Masaki. "Interfacial tensile strength between polymethylmethacrylate-based bioactive bone cements and bone." Kyoto University, 2003. http://hdl.handle.net/2433/148752.

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24

Srinivasan, Geetha. "Evaluation of indirect tensile strength to identify asphalt concrete rutting potential." Morgantown, W. Va. : [West Virginia University Libraries], 2004. https://etd.wvu.edu/etd/controller.jsp?moduleName=documentdata&jsp%5FetdId=3477.

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Thesis (M.S.)--West Virginia University, 2004.<br>Title from document title page. Document formatted into pages; contains vii, 65 p. : ill. (some col.). Includes abstract. Includes bibliographical references (p. 52-53).

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25

陳增源 and Chang-yuen Chan. "The initiation of catastrophic tensile instability in Niobium crystalsat 77K." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1995. http://hub.hku.hk/bib/B31234069.

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26

Neilson, Henry Jathuren. "Weibull Modulus of Hardness, Bend Strength, and Tensile Strength of Ni-Ta-Co-X Metallic Glass Ribbons." Case Western Reserve University School of Graduate Studies / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=case1396008191.

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27

Hallam, M. A. "The fracture behaviour of oriented polyethylene." Thesis, University of Leeds, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.377862.

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Chan, Chang-yuen. "The initiation of catastrophic tensile instability in Niobium crystals at 77K /." Hong Kong : University of Hong Kong, 1995. http://sunzi.lib.hku.hk/hkuto/record.jsp?B19668910.

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29

OLIVEIRA, WALTER EDGLEY DE. "EXPERIMENTAL STUDY ON THE TENSILE STRENGTH OF ANCHORAGE PLATES EMBEDDED IN CONCRETE." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2003. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=4239@1.

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CONSELHO NACIONAL DE DESENVOLVIMENTO CIENTÍFICO E TECNOLÓGICO<br>ELETROBRAS TERMONUCLEAR S.A - ELETRONUCLEAR<br>Placas de ancoragem embutidas em concreto são empregadas, geralmente, com a finalidade de permitir a fixação de elementos para a introdução de cargas concentradas nas estruturas de concreto, bem como viabilizar as ligações estruturais entre componentes pré-fabricados. As placas são ancoradas no concreto através de pinos soldados a elas. Estas placas são bastante empregadas em estruturas de usinas nucleares onde um grande número de e

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30

Phillips, Erin Katherine. "Investigation of Required Tensile Strength Predicted by Current Reinforced Soil Design Methodologies." Thesis, Virginia Tech, 2014. http://hdl.handle.net/10919/49246.

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Geosynthetic Reinforced Soil (GRS) is a promising technology that can be implemented in walls, culverts, rock fall barriers, and bridge abutments. Its use in walls and abutments is similar to Mechanically Stabilized Earth Walls (MSEW) reinforced with geosynthetics. Both GRS and MSEW are reinforced soil technologies that use reinforcement to provide tensile capacity within soil masses. However, the soil theories behind each method and the design methodologies associated with GRS and MSEW technologies are quite different. Therefore, a study was undertaken to compare the required tensile

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31

Azizipesteh, Baglo Hamid Reza. "Effect of various mix parameters on the true tensile strength of concrete." Thesis, Loughborough University, 2013. https://dspace.lboro.ac.uk/2134/12560.

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The primary aim of this research was to develop a method for determining the true uniaxial tensile strength of concrete by conducting a series of cylinder splitting, modulus of rupture (MOR) and cylinder/cube compression tests. The main objectives were: • Critically reviewing previous published research in order to identify gaps in current knowledge and understanding, including theoretical and methodological contributions to the true uniaxial tensile strength of concrete. In order to maintain consistency and increase the reliability of the proposed methods, it is essential to review the litera

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McDonald, Shelley (Shelley Elizabeth) Carleton University Dissertation Engineering Civil and Environmental. "Tensile strength of aged gray cast iron water mains in Gatineau, Quebec." Ottawa, 1996.

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33

Li, Guang. "The effect of moisture content on the tensile strength properties of concrete." [Gainesville, Fla.] : University of Florida, 2004. http://purl.fcla.edu/fcla/etd/UFE0004782.

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34

Conroy-Jones, Gene A. "The effects of curing, and aggregate type upon the tensile strength measurement of medium to high strength concrete." Thesis, Cardiff University, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.301797.

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35

Strömberg, Frida. "Humidity’s effect on strength and stiffness of containerboard materials : A study in how the relative humidity in the ambient air affects the tensile and compression properties in linerboard and fluting mediums." Thesis, Karlstads universitet, Institutionen för ingenjörs- och kemivetenskaper, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-43474.

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The aim of this thesis was to investigate the difference between containerboard materials strength and stiffness properties in tension and compression, how the mechanisms behind compressive and tensile properties are affected by the relative humidity of the ambient air and how the relative humidity affects the compressive response of the fibre network. These properties are used to predict the lifetime performance of corrugated boxes and to prevent early collapses of the boxes and thereby waste or harm of the transported goods inside. The work also discusses the methods used to evaluate the dif

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Kultikova, Elena V. "Structure and Properties Relationships of Densified Wood." Thesis, Virginia Tech, 1999. http://hdl.handle.net/10919/35810.

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The objective of this research was to investigate the effect of applied compressive strain in various environments, on the strength and stiffness of compressed wood samples. It is believed that transverse compression of wood at specific conditions of temperature and moisture will result in improved mechanical properties, which can be attributed to increased density and perhaps other physical or chemical changes. <p> Specimens of both mature and juvenile southern pine (Pinus taeda) and yellow-poplar (Liriodendron tulipifera) were compressed radially at three different temperature, and moisture

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Maziliguney, Levent. "Tensile Behavior Of Chemically Bonded Post-installed Anchors In Low Strength Reinforced Concretes." Master's thesis, METU, 2007. http://etd.lib.metu.edu.tr/upload/12608439/index.pdf.

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After the 1999 Kocaeli Earthquake, the use of chemically bonded post-installed anchors has seen a great growth for retrofits in Turkey. Currently, chemically bonded post-installed anchors are designed from related tables provided by adhesive manufacturers and a set of equations based on laboratory pullout tests on normal or high strength concretes. Unfortunately, concrete compressive strengths of existing buildings, which need retrofit for earthquake resistance, ranges within 5 to 16 MPa. The determination of tensile strength of chemically bonded anchors in low-strength concretes is an obvious

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Borstad, Christopher P. "Tensile strength and fracture mechanics of cohesive dry snow related to slab avalanches." Thesis, University of British Columbia, 2011. http://hdl.handle.net/2429/36626.

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Fracture mechanics has been applied for over 30 years to explain the release of slab avalanches, but most studies have focused on the initial shear fracture which governs the loss of slab stability rather than the ultimate tensile fracture which releases the avalanche. The application of continuum fracture mechanics to snow—a porous material near the melting temperature—requires a homogenization scheme which accounts for the characteristic length scales associated with the diffuse nature of cracking in snow. An experimental campaign was conducted to measure the strength, fracture mechanical pr

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Bae, Hae Ryong. "Effects of temperature on the tensile strength and elastic modulus of composite material." Thesis, Reading, Mass. : Addison-Wesley, 1985. http://hdl.handle.net/10945/21301.

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Wilcox, Robb C. (Robb Cameron). "The effect of weld penetration on the tensile strength of fillet welded joints." Thesis, Massachusetts Institute of Technology, 1995. http://hdl.handle.net/1721.1/38096.

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Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Ocean Engineering, 1995, and Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1995.<br>Includes bibliographical references (leaves 105-107).<br>by Robb C. Wilcox.<br>M.S.

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Showalter, Karen L. "The effect of length on tensile strength parallel-to-grain in structural lumber." Thesis, Virginia Tech, 1985. http://hdl.handle.net/10919/41539.

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<p>Two sizes (2x4 and 2x10) and two grades (2250f-1.9E and No. 2 KDl5) of Southern Pine lumber having three different test span lengths of 30, 90 and 120 inches were tested in tension parallel-to-grain. Results obtained from the tests indicated that the tensile strengths of the 30-inch test specimens were significantly higher than the tensile strengths of the 90- and 120-inch test specimens. A tensile strength-length effect model was developed for generating tensile strength values of lumber taking the length effect into consideration. The model generates tensile strength values for lumber lon

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Parlapalli, Rohit. "Effect of twist on load transfer and tensile strength in carbon nanotube bundles." University of Cincinnati / OhioLINK, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1382372894.

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Roth, Michael Jason 1975. "Flexural and tensile properties of thin, very high-strength, fiber-reinforced concrete panels." Master's thesis, Mississippi State : Mississippi State University, 2007. http://library.msstate.edu/etd/show.asp?etd=etd-11062007-215816.

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Malpally, Deepthi Rao. "Uncertainty Analysis of Mechanical Properties from Miniature Tensile Testing of High Strength Steels." DigitalCommons@USU, 2014. https://digitalcommons.usu.edu/etd/4029.

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This Miniature mechanical testing study is concerned with the use of miniature specimens to identify the mechanical properties of stainless steel Type 304, sensitized Type 304 and SA516 Grade 70 carbon steel as a viable replacement for the standard sized mechanical testing. The study aims at obtaining suitable specimen geometry and tensile testing proce- dure for miniature mechanical testing whose mechanical properties are comparable to that of conventional specimens of ASTM A370-10 of the same steel. All specimens are at and the gauge length cross section will be varied to obtain suitable geo

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Boonkerd, Kanoktip. "EFFECT OF EFFICIENCY OF SULFUR VULCANIZATION ON PROPERTIES OF GUM AND BLACK-FILLED NATURAL RUBBER VULCANIZATES." University of Akron / OhioLINK, 2006. http://rave.ohiolink.edu/etdc/view?acc_num=akron1144259529.

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Obregon, Laura. "Generating And Measuring Prescribed Levels Of Cohesion In Soil Simulants In Support Of Extraterrestrial Terramechanics Research." ScholarWorks @ UVM, 2018. https://scholarworks.uvm.edu/graddis/832.

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Scientists have been well aware of the complexity of Martian and lunar regoliths. There are vast unexplored areas on both, the Moon and Mars, as well as uncertainties in our understanding of the physicochemical properties of their regoliths. Lunar and Martian regoliths differ from terrestrial soils in that they appear granular, but are expected to contain some cohesion. As such, cohesion in regolith poses challenges for future space operations, more specifically for landing, settlement, and mobility purposes. The ability to induce prescribed levels of cohesion in regolith simulants and reliabl

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Alzate, Andres Felipe. "Development of a method for determining tensile strength of algal filaments using motion capture." Thesis, State University of New York at Buffalo, 2013. http://pqdtopen.proquest.com/#viewpdf?dispub=1546899.

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<p> One of the most difficult endeavors in filamentous algal growth models is predicting the occurrence of sloughing. Algal sloughing can stem from various sources such as from biological or mechanical means. The focus of this study is to investigate the role of fluid shear on the benthic filament mass. This research proposes a method to model the external forces on a benthic filament from the aquatic environment and the internal forces from the movement of the filament mass itself. To accomplish this, three parallel endeavors were pursued. First, a fluid-structure force interaction model was

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BUARQUE, EGBERT NASCIMENTO. "CILINDRICAL DEFECTS INFLUENCE ON THE TENSILE STRENGTH OF FIBERGLASS REINFORCED VINYL ESTER COMPOSITE RINGS." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2004. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=5929@1.

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Em Influência de defeitos cilíndricos sobre o limite de resistência de anéis de resina éster vinílica reforçada com fibras de vidro é realizado um estudo da influência de defeitos sobre a resistência mecânica de um tubo compósito de resina vinil éster reforçada com fibras de vidro picadas e contínuas. Os defeitos, com geometria cilíndrica, são artificialmente fabricados e têm suas dimensões (raio e profundidade) variados. A resistência mecânica do material foi avaliada através do ensaio de tração de anéis previsto na norma ASTM D 2290. Os resultados são analisados pelo método da ANOVA,

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Tomasino, Alfred P. "The effects of porosity on the out-of-plane tensile strength of laminated composites." Thesis, Virginia Polytechnic Institute and State University, 1988. http://hdl.handle.net/10919/53192.

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The objective of this study was to investigate the out-of-plane tensile strength of graphite/epoxy laminates as a function of porosity. An experimental test program was designed to apply tension to the faces of circular graphite/epoxy specimens in a direction perpendicular to the laminate mid-plane. The specimens were removed from the webs of angle sections fabricated by Lockheed Georgia Company using (AS4/1806 and AS4/3501-6 graphite/epoxy material systems with a stacking sequence of (±45/90₂/ ±45/0₂)<sub>S</sub> or (±45/0₂/ +̅ 45/90₂)<sub>S</sub>. The specimen porosities were the result of f

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Shields, Lance David. "Investigation of Through-Tenon Keys on the Tensile Strength of Mortise and Tenon Joints." Thesis, Virginia Tech, 2011. http://hdl.handle.net/10919/33971.

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A timber frame is a structural building system composed of heavy timber members connected using carpentry-style joinery that may include metal fasteners. A common variant of mortise-and-tenon joints are keyed (or wedged) through-tenon joints. No research on the behavior of wedged joints in timber frames is available. This research provides design knowledge of keyed through-tenon joints from experimental observations and comparisons between mathematical models and experimental measurement. Evaluation of through-tenon keyed mortise and tenon joints was performed by measuring tensile load and

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