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Dissertations / Theses on the topic 'Lap splice'

Author: Grafiati

Published: 4 June 2021

Last updated: 5 February 2022

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1

Tasligedik, Ali Sahin. "Lap Splice Behavior And Strength Of Cfrp Rolls." Master's thesis, METU, 2008. http://etd.lib.metu.edu.tr/upload/12609694/index.pdf.

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Behavior of lap splices formed by CFRP rolls has been studied. CFRP rolls have been prepared by using CFRP sheets of a certain width. Strengthening methods that use CFRP rolls as reinforcement may require an epoxy anchored lap splice due to the conditions at the strengthening regions. It may not always be possible to strengthen the region by using only one roll fan anchored at both ends, but using two rolls from opposite faces of the member and lap splicing them at the middle so that they act as a single roll. Lap splice behavior can be studied best by using flexural beam bond specimens if

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2

Bozalioglu, Dogu. "Evaluation Of Minimum Requirements For Lap Splice Design." Master's thesis, METU, 2007. http://etd.lib.metu.edu.tr/upload/12608284/index.pdf.

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Minimum requirements for lap splices in reinforced concrete members, stated in building codes of TS-500 and ACI-318, have a certain factor of safety. These standards have been prepared according to research results conducted previously and they are being updated according to results of recent studies. However the reliability of lap splices for minimum requirements needs to be investigated. For this purpose, 6 beam specimens were prepared according to minimum provisions of these standards. The test results were investigated by analytical procedures and also a parametric study was done to compar

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3

Grant, James Philip. "Non-Contact Lap Splices in Dissimilar Concretes." Thesis, Virginia Tech, 2015. http://hdl.handle.net/10919/56585.

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Non-contact lap splices placed within a single concrete placement are often used and have been studied in previous research projects. However, non-contact lap splices used with each bar in a different concrete placement such that there is a cold joint between the bars, have not been investigated. This situation is found in the repair of adjacent box beam bridges and in the construction of inverted T-beam systems, among others. It is vital to understand whether the same mechanisms are present across a cold joint with two different types of concrete as are present in traditional non-contact lap

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4

Bowdey, Thomas S. "Lap Splice Development Length of Rebar in Stabilized Hollow Interlocking Compressed Earth Blocks." DigitalCommons@CalPoly, 2016. https://digitalcommons.calpoly.edu/theses/1720.

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This thesis investigates the tensile performance of unconfined lap splices in specimens constructed from interlocking compressed earth block (ICEB) units. All lap splice specimens were constructed from hollow ICEB half units with one side grouting channel. ICEB units used in this research were exclusively produced from the Soeng Thai Model BP6 block press. The BP6 block press is currently manufactured in Thailand under the guidance and direction of the Center of Vocational Building Technologies (CVBT). All ICEB units and grout constructed for this research were created from mix proportions of

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5

Ghasabeh, Mehran. "Bond Of Lap-spliced Bars In Self-compacting Concrete." Master's thesis, METU, 2013. http://etd.lib.metu.edu.tr/upload/12615530/index.pdf.

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Self-compacting concrete is an innovative construction material<br>its priority to normal vibrated concrete is that there is not any vibration requirement. Bond strength of reinforcement is one of the key factors that ensures the usefulness of any reinforced concrete structure. In this study, 6 full-scale concrete beams spliced at the mid-span were tested under two-point symmetrical loading. Test variables were bottom cover, side cover, free spacing between longitudinal reinforcement, lap-splice length and presence of transverse reinforcements within the lap-splice region. Specimen SC_22_44_

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6

Lin, Wesley Wei-chih. "Modelling Effects Of Insufficient Lap Splices On A Deficient Reinforced Concrete Frame." Master's thesis, METU, 2013. http://etd.lib.metu.edu.tr/upload/12615584/index.pdf.

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assessed and strengthened. Performance evaluation of deficient buildings has become a major concern due to devastating earthquakes in the past. In order to justify new provisions in design and assessment codes, experiments and analyses are inherently necessary. In this thesis study, investigations into the behaviour of two deficient reinforced concrete frames built at Middle East Technical University&rsquo<br>s Structural and Earthquake Laboratory and tested via pseudo-dynamic tests were made. These frames were modelled on the OpenSees platform by following methods of analyses outlined in the

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7

Adkins, Keith A. "A Model for Prediction of Fracture Initiation in Finite Element Analyses of Welded Steel Connections." University of Cincinnati / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1399624062.

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8

Wright, Timothy R. "Full-scale seismic testing of a reinforced concrete moment frame using mobile shakers." Diss., Georgia Institute of Technology, 2015. http://hdl.handle.net/1853/54414.

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A prototype reinforced concrete moment frame representative of low-rise office buildings in the Central and Eastern United States from the 1950s-1970s was designed and selected for evaluation under seismic loads. A plane frame specimen from the prototype was incorporated into the design of a test-bed of four full-scale, side-by-side nominally identical structures that could be evaluated independently. The testing of the first frame serves as the topic of this dissertation. The specimen was two bays x two stories x 9-ft. wide. A new method for testing full-scale structures under seismic loads w

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9

Cintra, Danielli Cristina Borelli. "Análise experimental de emenda em armadura longitudinal de pilares curtos de concreto." Universidade Federal do Espírito Santo, 2013. http://repositorio.ufes.br/handle/10/6182.

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Made available in DSpace on 2016-12-23T14:05:54Z (GMT). No. of bitstreams: 1 Danielli Cristina Borelli Cintra.pdf: 4222911 bytes, checksum: 0db55771987e1317b678d8aff9ba3ab7 (MD5) Previous issue date: 2013-11-28<br>The lap splice of the longitudinal reinforcement of columns positioned at the base, widely used in the execution of multiple floors structures in reinforced concrete floors, is the most vulnerable point in the pathological manifestations columns of buildings, compromising the structural performance and durability of the building. This region suffers from the stage of concrete, the

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10

Wallace, J. L. "Behaviour of beam lap splices under seismic loading." Thesis, University of Canterbury. Civil Engineering, 1996. http://hdl.handle.net/10092/9638.

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The results of an investigation into the performance of reinforced concrete beam-column subassemblages containing lap spliced reinforcement in the potential plastic hinge region of a beam are presented. Two specimens were tested with simulated seismic loading. One specimen complied with the New Zealand Concrete Design Code, NZS 3101:1982, except for the placement of the lap splices. The second specimen contained beam reinforcement details from a building constructed in the early 1960s. Current concrete design codes specify lap splices should not be placed in beam potential plastic hinge region

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11

De, Vial Christophe. "Performance of reinforcement lap splices in concrete masonry." Pullman, Wash. : Washington State University, 2009. http://www.dissertations.wsu.edu/Thesis/Fall2009/C_de-Vial_11024236.pdf.

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Thesis (M.S. in in civil engineering)--Washington State University, December 2009.<br>Title from PDF title page (viewed on Jan. 26, 2010). "Department of Civil and Environmental Engineering." Includes bibliographical references (p. 42).

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12

Mjelde, Jon Zachery. "Performance of lap splices in concrete masonry shear walls." Online access for everyone, 2008. http://www.dissertations.wsu.edu/Thesis/Spring2008/Jon_Mjelde.042508.pdf.

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13

Wakeman, R. Brett (Robert Brett) Carleton University Dissertation Engineering Mechanical and Aerospace. "Interaction of multiple site fatigue damage and corrosion in fuselage lap splices." Ottawa, 1996.

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14

Aly, Ragi Sayed Mohamed. "Experimental and analytical studies on bond behaviour of tensile lap spliced FRP reinforcing bars in concrete." Thèse, Université de Sherbrooke, 2005. http://savoirs.usherbrooke.ca/handle/11143/1767.

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There are very limited studies on the bond of spliced fibre reinforced polymer (FRP) reinforcing bars. Spliced bars are necessary for the limitation of the available bar lengths (standard manufactured length of reinforcing bar). In addition, this type of splice is required at the construction joints. Furthermore, bundled bars are required instead of spaced bars in case of heavily reinforced concrete structures. By using bundled bars, the congestion of reinforcement can be avoided.The current standards for steel reinforcement (such as CSA A23.3 and ACI 318) cannot be used for the FRP bars due t

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15

Corbett, Brandon Richard. "A Pilot Study to Determine the Performance of Tension Lap Splices in Reinforced Masonry Made with Light-Weight Grout." BYU ScholarsArchive, 2015. https://scholarsarchive.byu.edu/etd/5661.

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The use of light-weight building materials in modern construction has resulted in efficient designs and considerable cost savings by reducing structural weight and supporting sections. This has only been possible because of many years of research to better understand the properties of the light-weight material, and its structural behaviors. However, light-weight grout is a relatively new building material in reinforced masonry construction and little is known about its structural properties. The main objective of this study was to determine if the use of light-weight grout would impact the per

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16

Jawdhari, Akram Rasheed. "BEHAVIOR OF RC BEAMS STRENGTHENED IN FLEXURE WITH SPLICED CFRP ROD PANELS." UKnowledge, 2016. http://uknowledge.uky.edu/ce_etds/37.

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FRP laminates and fabrics, used as an externally bonded reinforcement (EBR) to strengthen or repair concrete members, have proven to be an economical retrofitting method. However, when used to strengthen long-span members or members with limited access, the labor and equipment demands may negate the benefits of using continuous EBR FRP. Recently, CFRP rod panels (CRPs) have been developed and deployed to overcome the aforementioned limitations. Each CRP is made of several small diameter CFRP rods placed at discrete spacing. To fulfill the strengthening length, CRP’s are spliced together and ma

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17

Valverde, Montoro Johnny Mosisés. "Splines en la solución numérica de las ecuaciones diferenciales con retardo." Universidad Nacional de Ingeniería. Programa Cybertesis PERÚ, 2012. http://cybertesis.uni.edu.pe/uni/2012/valverde_mj/html/index-frames.html.

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El objetivo de este trabajo es el estudio de la estructura fina de grupo de los objetos conocidos como curvas elípticas. Una curva elíptica proviene de una ecuación cúbica en la forma de Weierstrass no singular. En este caso, el conjunto de puntos racionales, esto es los puntos (x,y) E Q x Q que satisfacen la ecuación y2 + aixy + a^y = x3 + a^x2 + a^x + a6 mas un punto que denotamos O, y que proviene de la forma proyectiva original de la curva, constituyen un grupo abeliano con una operación de intersección de curvas, vía el teorema de Bézout en el plano proyectivo. Demostramos que este conjun

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18

Bournas, Dionysios A., Thanasis C. Triantafillou, and Catherine G. Papanicolaou. "Retrofit of Seismically Deficient RC Columns with Textile- Reinforced Mortar (TRM) Jackets." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2009. http://nbn-resolving.de/urn:nbn:de:bsz:14-ds-1244049636138-65944.

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The effectiveness of a new structural material, namely textilereinforced mortar (TRM), was investigated experimentally in this study as a means of confining old-type reinforced concrete columns with limited capacity due to bar buckling or due to bond failure at lap splice regions. Comparisons with equal stiffness and strength fiber-reinforced polymer (FRP) jackets allow for the evaluation of the effectiveness of TRM versus FRP. Tests were carried out on full scale non-seismically detailed RC columns subjected to cyclic uniaxial flexure under constant axial load. Thirteen cantilever-type specim

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19

Quttineh, Yousef. "Transfer Pricing Profit Split Methods : A Practical Solution?" Thesis, Jönköping University, JIBS, Commercial Law, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:hj:diva-11107.

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<p>The purpose of this master’s thesis is to explain and analyze whether today’s existing regulations provide sufficient guidance on how to apply the Profit Split Method (PSM) in practice. Since the enterprises’ profits arising from intra-group transactions increases, the tax base for any government also becomes larger and more important. This issue will likely become even more problematic as the globalization branches out and the majority of the global trade is undertaken between associated enterprises.</p><p>In order to satisfy all parts and serve the dual objective of securing an appropriat

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20

Abdulwanis, Mohamed Sana Mohamed. "Split delta shocks and applications to conservation law systems." Phd thesis, Univerzitet u Novom Sadu, Prirodno-matematički fakultet u Novom Sadu, 2020. https://www.cris.uns.ac.rs/record.jsf?recordId=112666&source=NDLTD&language=en.

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There are many real models in which unbounded solution to conservation law system occur. Most often we have some kind of delta function in the solution as a result of the accumulation of mass or some other variable. There is no general method of approachingsuch problems with nonlinearities. This dissertation provides solutions to conservation law systems that contain division by a dependent variable, which is a problematic part when working with measures. For example, a basic model of chromatography and similar chemical processes has a division with a variable that is unbounded in some cases.

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21

Aguilà, Moliner Pau. "Estudio de las propiedades de radiación de partículas resonantes con aplicaciones en sistemas de comunicaciones." Doctoral thesis, Universitat Autònoma de Barcelona, 2017. http://hdl.handle.net/10803/402268.

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El sector de las radiocomunicaciones ha experimentado un drástico desarrollo estos últimos años. Entre ellos, los sistemas de comunicaciones inalámbricos han sufrido un gran crecimiento en la sociedad moderna motivado por el elevado número de servicios en que se pueden aplicar (por ejemplo radiodifusión, telefonía móvil, posicionamiento por satélite o bien identificación por radiofrecuencia). Esto ha motivado la investigación de nuevos dispositivos de microondas con diferentes y mejores prestaciones. La tendencia más extendida actualmente consiste en utilizar tecnologías planares para la reali

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22

Vallgren, Isak. "Att dela på notan - Om expertskatten, beloppsregeln och EU-rättens fyra friheter." Thesis, Umeå universitet, Juridiska institutionen, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-145479.

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23

Radeschnig, Jessica. "Heterogeneous Optimality of Lifetime Consumption and Asset Allocation : Growing Old in Sweden." Thesis, Mälardalens högskola, Akademin för utbildning, kultur och kommunikation, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-36119.

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This thesis covers a utility optimizing model designed and calibrated for agents of the Swedish economy. The main ingredient providing for this specific country is the modeling of the pension accumulation and pension benefits, which closely mimics the Swedish system. This characteristic is important since it measures one of the only two diversities between genders, that is, the income. The second characteristic is the survival probability. Except for these differences in national statistics, men and women are equal. The reminding model parameters are realistically set estimates from the surrou

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24

Saucez, Manuel. "Résolution des qualités de vol de l'aile volante Airbus." Thesis, Toulouse, ISAE, 2013. http://www.theses.fr/2013ESAE0026/document.

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L'objectif de cette étude est de résoudre les qualités de vol d'une aile volante long courrier, au stade de la conception avion. Le concept d'aile volante promet un gain important en terme de performances et de niveau de finesse par rapport aux configurations classiques. Ce gain est obtenu par l'intégration des quatre fonctions principales de l'avion (portance, contrôle, propulsion, transport) dans un seul corps. Ces choix de configuration entraînent des challenges à relever, dont l'obtention de qualités de vol respectant la certification. La configuration initiale étudiée présente de fortes i

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25

Bosch, Roig Ignacio. "Algoritmos de detección distribuida en sistemas monosensor." Doctoral thesis, Universitat Politècnica de València, 2008. http://hdl.handle.net/10251/1898.

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La presente tesis aborda la elaboración de algoritmos de detección distribuida en sistemas monosensor. Tradicionalmente, la detección distribuida se ha aplicado a la fusión de decisiones tomadas por sensores espacialmente dispersos. No obstante, puede ser de utilidad en la implementación de detectores que tratan de explotar diferentes tipos de información sobre las diferencias existentes entre las dos hipótesis sobre las que decidir. El objetivo es sustituir un único detector complejo, cuando no inabordable, por una combinación de detectores más sencillos, implementables a partir de la teoría

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26

Hakala, Tim. "Settling-Time Improvements in Positioning Machines Subject to Nonlinear Friction Using Adaptive Impulse Control." BYU ScholarsArchive, 2006. https://scholarsarchive.byu.edu/etd/1061.

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A new method of adaptive impulse control is developed to precisely and quickly control the position of machine components subject to friction. Friction dominates the forces affecting fine positioning dynamics. Friction can depend on payload, velocity, step size, path, initial position, temperature, and other variables. Control problems such as steady-state error and limit cycles often arise when applying conventional control techniques to the position control problem. Studies in the last few decades have shown that impulsive control can produce repeatable displacements as small as ten nanomete

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27

(10709154), William G. Pollalis. "Drift Capacity of Reinforced Concrete Walls with Lap Splices." Thesis, 2021.

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<p>Twelve large-scale reinforced concrete (RC) specimens were tested at Purdue University’s Bowen Laboratory to evaluate the deformability of structural walls with longitudinal lap splices at their bases. Eight specimens were tested under four-point bending and four specimens were tested as cantilevers under constant axial force and cyclic reversals of lateral displacement. All specimens failed abruptly by disintegration of the lap splice, irrespective of what loading method was used or what splice details were chosen. Previous work on lap splices has focused mainly on splice strength. But, in

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28

"The Effect of Splice Length and Distance between Lapped Reinforcing Bars in Concrete Block Specimens." Thesis, 2014. http://hdl.handle.net/10388/ETD-2014-04-1529.

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The tensile resistance of No. 15 lap spliced reinforcing bars with varying transverse spacing and lap splice length was evaluated in full-scale concrete block wall splice specimens. The range of the transverse spacing between bars was limited to that which allowed the bars to remain within the same cell, and included the evaluation of tied spliced bars in contact. Two-and-a-half block wide by three course tall double pullout specimens reinforced with contact lap splices were initially used to determine the range of lap splice length values to be tested in the wall splice specimens such that bo

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29

Miao-I, Kuo, and 郭苗宜. "Seismic Retrofit of Existing RC Bridge Columns─Sheer Strength and Lap-Splice Retrofit." Thesis, 2000. http://ndltd.ncl.edu.tw/handle/94991414115500851153.

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碩士<br>國立臺灣科技大學<br>營建工程系<br>88<br>The seismic resistantance of the existing bridge columns may be questionable due to the un-desired design details. Among others,the weakness of the column details of particular interest in this study includes short column problems and the lap-splices of main reinforcements at the plastic hinge zone.This experimental study has focused on the performance evaluation of a few scaled-down models of bridge columns with the aforementioned weakness. Retrofitting strategies including the steel jacketing and FRP jacketing are applied to enhance the seismic performance of

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30

"Performance of large size reinforced concrete beams containing a lap splice subjected to fatigue loads." Thesis, 1990. http://hdl.handle.net/10388/etd-01152013-125036.

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Extensive research has been conducted into the areas of low cycle high stress loading (seismic loading) and static loading of reinforced concrete beams containing lap splices. The knowledge acquired from this research has led to recommendations for changes in how seismic and static loading of lap splices are handled. For splices subjected to high cycle low stress load patterns (fatigue loading) current design of lap splices is very similar to that used for statically loaded splices, even though little research information is available on performance of lap splices under high cycle fatigue, pa

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31

(9029597), Rebeca P. Orellana Montano. "Case Study To Evaluate Drift Estimation In Non-Ductile Reinforced Concrete Buildings With Foundation Lap-Splices: Numerical Simulation Work." Thesis, 2020.

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<p>Past earthquake damage assessments have shown the seismic vulnerability of older non-ductile reinforced concrete buildings. The life safety-risk these buildings pose has motivated researchers to study, develop, and improve modeling techniques to better simulate their behavior with the aim to prioritize retrofits.</p><p><br></p> <p>This study focuses on the lap splice detailing at the base of the building in columns, shorter than those recommended by modern codes which consider seismic effects. Current modeling efforts in non-ductile reinforced concrete frame structures have considered the

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32

Naqvi, Syed. "Lap splice in glass fiber reinforced polymer‐reinforced concrete rectangular columns subjected to cyclic‐reversed loads." 2016. http://hdl.handle.net/1993/31906.

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This study presents the experimental results of nine full-scale lap spliced glass-fiber reinforced polymer (GFRP) reinforced concrete (RC) columns, and one additional reference steel-RC column with lap splices, under axial and cyclic-reversed loads. The test parameters included type of reinforcement, lap splice length of longitudinal reinforcement, transverse reinforcement spacing, and the effect of using steel fiber-reinforced concrete (SFRC). Test results indicated that a splice length of 60 times the diameter of the longitudinal column bar was adequate in transferring the full bond forces a

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33

Lee, Chung-Lung, and 李宗龍. "A Study on Testing Interface Strength of CFRP sheets and the Confining Effect with a Lap Splice." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/f4nwe3.

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碩士<br>國立臺北科技大學<br>土木與防災研究所<br>100<br>After the 921 earthquake, the reinforcement of the reinforced concrete structure needs grow with each passing day, the carbon fiber polymer composites with high strength, simple construction and resistant to corrosion and other advantages of the structural reinforcement materials applied to the RC beam shear reinforcing RC columns, shear and confinement reinforcement of behavior has been extensively studied and discussed; past studies confirm, and carbon fiber reinforcement effect is often affected by the carbon fiber interface strength of the design criter

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34

Forero, Henao Miguel. "Autoclaved aerated concrete (AAC) masonry : lap-splice provisions and nominal capacity for interface shear transfer between grout and AAC." Thesis, 2010. http://hdl.handle.net/2152/ETD-UT-2010-12-2063.

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Design of autoclaved aerated concrete (AAC) masonry in the United States is currently based on Appendix A of the 2008 Masonry Standards Joint Committee (MSJC) Code. Those provisions include the design of lap splices, and equations for the nominal capacity in interface shear transfer between grout and AAC. The provisions for lap splices are an extension of the provisions for concrete or clay masonry, modified to neglect the contribution of AAC to splice capacity. This thesis describes a testing program aimed at verifying the current provisions using tests of lap splices in grouted AAC masonr

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(5930642), Rebecca L. Glucksman. "Bond Strength of ASTM A615 Grade 100 Reinforcement for Beams." Thesis, 2019.

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<div>In the past decade, high-strength reinforcement (fy > 60 ksi) has become more prevalent and more widely accepted. Building codes such as ACI 318-14 do not address the use of highstrength reinforcement for proper development and splicing of reinforcement. Furthermore, research on development of high-strength reinforcement is limited. The objective of the study is to develop a suitable expression for the development and splicing of high-strength reinforcement.</div><div>Of particular interest is evaluating the influence of splice length and confinement on bond strength as well as evaluating

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36

Eck, Mary. "Effects from Alkali-Silica Reacton and Delayed Ettringite Formation on Reinforced Concrete Column Lap Splices." Thesis, 2012. http://hdl.handle.net/1969.1/ETD-TAMU-2012-05-10747.

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Reinforced concrete bridge columns can deteriorate prematurely due to the alkali-silica reaction (ASR) and/or delayed ettringite formation (DEF), causing internal expansion and cracking on the surface of the concrete. The performance of the longitudinal reinforcement lap splice in deteriorated concrete columns is the focus in this research. This thesis presents the results from the deterioration of large-scale specimens constructed and placed in an environment susceptible to ASR/DEF deterioration, the experimental results from four-point and three-point structural load tests, and an anal

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(6611555), Eric Fleet. "Effective Confinement and Bond Strength of Grade 100 Reinforcement." Thesis, 2019.

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The primary reinforcement used for construction of structural concrete members has a yield strength of 60 ksi. This reinforcement grade was incorporated into construction over 50 years ago and remains the standard. Recent advances in material technology have led to the development of commercially available reinforcing steel with yield strengths of 100 ksi. While greater yield strengths can be utilized in design, it is essential that the bars can be properly anchored and spliced to fully develop their strength. Although design expressions are available for this purpose, they were establishe

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Alberson, Ryan M. "Performance of Reinforced Concrete Column Lap Splices." 2009. http://hdl.handle.net/1969.1/ETD-TAMU-2009-08-7068.

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Cantilevered reinforced concrete columns with a lap splice of the longitudinal reinforcement near the base can induce high moment demands on the splice region when lateral loads are present on the structure. Code design specifications typically require a conservative splice length to account for these high moment demands and their consequences of bond failure. The required splice length is calculated as a function of required development length, which is a function of the bond between the reinforcement and the surrounding concrete, and a factor depending on the section detailing. However, the

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39

Pereira, Tiago Miguel Nico. "Experimental Campaign Addressing Lap-Splices under Cyclic Loading." Master's thesis, 2017. http://hdl.handle.net/10362/27891.

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Many existing bridges were built before modern seismic design guidelines were written. This means that particularly in countries with moderate seismicity where another type of loads such as gravity, wind or snow are more demanding, the seismic hazard may have been underestimated in the past years. Past experience shows that critical details, including lap-splices on the potential plastic hinge region above the foundation and low transverse reinforcements ratios, can lead to a small deformation capacity of the existing bridge piers and therefore to a possible major structural damage. The perfo

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Shihata, Ayman. "CFRP strengthening of RC beams with corroded lap spliced steel bars." Thesis, 2011. http://hdl.handle.net/10012/6185.

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Corrosion is the number one deterioration mechanism that decreases the service life of the concrete structures. Many structures in severe environments have experienced an unacceptable loss in serviceability earlier than anticipated due to corrosion. Advanced composite materials in the form of externally bonded fiber reinforcing polymer (FRP) sheets have been successfully used for rehabilitation and strengthening of infrastructure in lieu of traditional repair techniques such as steel plates bonding. FRPs are used because of their light weight, ease of application, non-corrosiveness material,

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"High cycle (fatigue) resistance of reinforced concrete beams with lap splices." Thesis, 1993. http://hdl.handle.net/10388/etd-01152013-124631.

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The development of current design standards for reinforced concrete beams containing lap splices has been mainly aimed at preventing failures due to static (monotonic) loading, or low cycle, high intensity (seismic) loading. However, little consideration has been given in these standards or in previous research to the performance of lap splices when subjected to high cycle, low intensity (fatigue) loading. Also, recently proposed design equations for lap splices under static loading will permit shorter lap lengths. For these reasons, a study was initiated to investigate the fatigue resistance

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Dhabale, Ashwin. "Impact Angle Constrained Guidance Using Cubic Splines." Thesis, 2015. http://etd.iisc.ernet.in/2005/3658.

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In this thesis the cubic spline guidance law and its variants are derived. A detailed analysis is carried out to find the initial conditions for successful interception. The results are applied to three dimensional guidance design and for solving waypoint following problems. The basic cubic spline guidance law is derived for intercepting a stationary target at a desired impact angle in a surface-to-surface engagement scenario. The guidance law is obtained using an inverse method, from a cubic spline curve based trajectory. For overcoming the drawbacks of the basic cubic spline guida

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Thompson, Keith. "The anchorage behavior of headed reinforcement in CCT nodes and lap splices." Thesis, 2002. http://wwwlib.umi.com/cr/utexas/fullcit?p3086715.

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"Evaluation of Mitigative Techniques for Non-Contact Lap Splices in Concrete Block Construction." Thesis, 2014. http://hdl.handle.net/10388/ETD-2014-04-1497.

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A previously completed study in the field of concrete block construction by Ahmed and Feldman (2012) indicated that, on average, the reinforcing bars in non-contact lap splices, where the lapped bars are located in adjacent cells, only develop 71% of the tensile resistance of spliced bars which are in contact. An experimental program was therefore initiated to design and evaluate remedial measures which can potentially increase the tensile resistance of non-contact lap splices to that of contact lap splice of the same lap length. Implementation of the proposed measures in various field situati

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Reyes, Olga. "Modeling of R/C columns with short lap splices subjected to earthquake loading." 1999. http://catalog.hathitrust.org/api/volumes/oclc/50200324.html.

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Thesis (M.S.)--University of Wisconsin--Madison, 1999.<br>Typescript. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references (leaves 78-80).

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Wu, Sheng-Hung, and 吳聲鴻. "The influence of lap-splices of steel bars on the behavior of HSC beam-column joint." Thesis, 1998. http://ndltd.ncl.edu.tw/handle/74956081008509084227.

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碩士<br>國立中央大學<br>土木工程學系<br>86<br>The concept of Strong-Column-Weak-Beam is adopted by construction design code currently in which the plastic hinge occurs on the beam-column joint. This phenomenon will induce the decay of strength and stiffness, effect the whole earthquake resistant behavior of intersection. Decreasing the decay of the stiffness of intersection can be performed by the moving of the plastic hinge from the intersection of beam-column. The purpose of this paper is to apply the

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Mahlawe, Anele Emanuel. "Effect of corrosion of lap-spliced steel reinforcement on the flexural strength of reinforced concrete beams." Thesis, 2020. https://hdl.handle.net/10539/31185.

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A research report submitted to the Faculty of Engineering and the Built Environment, University of the Witwatersrand, in partial fulfilment of the requirements for the degree of Master of Science in Engineering, 2020<br>The study aimed to investigate the effect of corrosion on the flexural strength of reinforced concrete (RC) beams with steel lap-splicing in the central constant moment region. A total of 24 RC 100 × 165 × 1500 mm beams were cast each for SANS10100-1 and Eurocode 2. Out of the 24 RC beams, 12 RC beams were cast for each design code (6 with lap-splicing and 6 without spliced fle

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(9768341), Kinsey C. Skillen. "The Effects of Transverse Reinforcement on the Strength and Deformability of Reinforced Concrete Elements." Thesis, 2020.

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Post-earthquake examinations of reinforced concrete structures often show structural damage resulting from bond and shear failures. Such failures typically occur in reinforced concrete elements with details known to cause problems, such as widely spaced transverse reinforcement and/or lap splices located in regions of flexural yielding. These details are common in older reinforced concrete buildings (built before 1970) that have reinforced concrete columns with longitudinal reinforcement spliced just above the floor level, and transverse reinforcement spaced at a distance of d/2 or longer. Thi

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Μπισκίνης, Διονύσιος. "Αντοχή και ικανότητα παραμόρφωσης μελών οπλισμένου σκυροδέματος, με ή χωρίς ενίσχυση". Thesis, 2007. http://nemertes.lis.upatras.gr/jspui/handle/10889/478.

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Η παρούσα διατριβή ανήκει στο γενικότερο θεματικό πεδίο της σεισμικής αποτίμησης, σχεδιασμού ή ανασχεδιασμού κατασκευών οπλισμένου σκυροδέματος με βάση τις μετακινήσεις. Οι σύγχρονες μέθοδοι αυτού του τύπου, στηρίζονται σε έλεγχο και σύγκριση της σεισμικής απαίτησης με την ικανότητα των μελών της κατασκευής σε όρους μετακινήσεων παρά σε όρους δυνάμεων. Δημιουργείται επομένως η ανάγκη για απλό και αξιόπιστο υπολογισμό της συμπεριφοράς μελών οπλισμένου σκυροδέματος σε κάμψη και διάτμηση, σε όρους μετακινήσεων. Το αντικείμενο της παρούσης διατριβής είναι η ανάπτυξη προσομοιωμάτων για τον υπολο

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McCaffrey, Kiera Maureen. "Episcopal split tests faith and law." Thesis, 2010. http://hdl.handle.net/2152/ETD-UT-2010-05-1254.

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Upset with what they say is the increasingly heterodox stance the national leadership of The Episcopal Church, Episcopalians in Texas and throughout the country are leaving their denomination and aligning under Anglican bishops. In a last-grasp effort to hold on to property and assert control over an often dissident flock, the leadership of The Episcopal Church is arguing Canon law in the unlikeliest of places: the secular courtroom. As parishes and even whole dioceses country break free of the hierarchy and declare themselves independent from the national church, two lawsuits in Texas are ra

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