Academic literature on the topic 'Plane truss'

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Journal articles on the topic "Plane truss"

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Huang, Ju Hua. "Determination of Internal Forces of Complex Plane Truss." Applied Mechanics and Materials 543-547 (March 2014): 3990–93. http://dx.doi.org/10.4028/www.scientific.net/amm.543-547.3990.

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Further discussion of internal force calculation for the plane truss is made in this paper. The internal force of simple truss can be calculated with node method, according to the composition order of the truss. The internal force of joint truss can be calculated according to the composition rules of two or three rigid bodies. The internal force of complex truss requires the comprehensive judgment flexibly according to node method, cross section method and zero pole in special position and the symmetry of structure.
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Shabaldin, A. P., and N. V. Kharinova. "Study of stresses in plane truss nodes." IOP Conference Series: Materials Science and Engineering 962 (November 18, 2020): 022057. http://dx.doi.org/10.1088/1757-899x/962/2/022057.

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Alizadeh, Saeid, Gregory A. MacRae, Des Bull, and George Charles Clifton. "Floor Diaphragm In-Plane Modelling Using Elastic Truss Elements." Key Engineering Materials 763 (February 2018): 549–56. http://dx.doi.org/10.4028/www.scientific.net/kem.763.549.

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Different methods to model building floor diaphragm in-plane stiffness with truss elements are compared to identify the method most suitable for analysis in design. The methods considered include (i) an elastic diagonal truss element model, and (ii) an elastic diamond truss element model. The truss elements were placed in square blocks and are compared with FEM in terms of stiffness and capturing beam axial forces. It was found that diagonal model transferred some part of diaphragm force directly to the column. The diamond framework superior because it was less sensitive to mesh size, gives a more accurate stiffness with a lower number of elements and a more accurate beam axial force. Furthermore, it better provides information in a better format for design.
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Makunza, John k. "Program for the Analysis of Plane Trusses." Tanzania Journal of Engineering and Technology 30, no. 1 (June 30, 2007): 1–16. http://dx.doi.org/10.52339/tjet.v30i1.392.

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The ‘TRAP - TRuss Analysis Program’ can assist engineers in the analysis of plane truss-type structures, as well asprove an excellent basis for understanding the “finite – element” method. The Program is completely menu-driven, withall nodes, elements, and load data entered through an input file. TRAP includes plotting for displaying the truss geometryin its original shape showing all nodes and support points. In the analysis process, firstly the structure data; e.g numberof nodes, elements, materials and supports are to be defined. Secondly, element properties and support constraints haveto be specified. Finally, nodal global loads are then defined. The program output include; displacements for each node,axial forces, length of each element and reactions at the supports.The program aims at reducing the time of analysis and increase the accuracy of calculations as well as storage of theanalysed data. The program caters for manual methods of truss analysis such as method of sections or joint method. Ithas been found that the program is efficient and has no limitations on the number of nodes and elements. The program is suitable for use by design engineers in analysing Plane – Trusses of any size.
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Jia, Yu Zhuo, and Yi Xuan Wang. "Large Span Double Truss Lateral Stability Analysis." Applied Mechanics and Materials 680 (October 2014): 171–74. http://dx.doi.org/10.4028/www.scientific.net/amm.680.171.

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The effects of large-span truss geometry of the double-plane stable orthogonal design. The use of finite element analysis software Midas double space truss were linear buckling analysis and nonlinear buckling analysis, research process and through its buckling load - examine issues outside of the structure of the plane stable displacement curve. For double truss draw some outside reference plane stability study conclusions.
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Li, Hui Jun, and Zheng Zhong Wang. "Research on System Reliability of Plane Steel Truss." Applied Mechanics and Materials 351-352 (August 2013): 1616–19. http://dx.doi.org/10.4028/www.scientific.net/amm.351-352.1616.

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More and more attentions are paid on reliability and sensitivity of space structure in recently years. To investigate the mechanical characteristics of plane steel truss, OpenSees is utilized to evaluate component and system reliability plane steel truss. Accuracy and efficiency of several reliability approaches are comprehensively compared. Physical property, geometric size of members, and external loads and nodal coordinates are treated as random variable. DDM is utilized to compute sensitivity coefficients of random variables. Finally, bounds on the probability of failure of series systems are estimated according to the KHD bounds.
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Li, Yuan Ying, and De Sheng Zhang. "Plane Truss Reliability Numerical Simulation Based on MATLAB." Applied Mechanics and Materials 256-259 (December 2012): 1091–96. http://dx.doi.org/10.4028/www.scientific.net/amm.256-259.1091.

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Based on the basic principles of structure reliability numerical analysis, the numerical simulation of the displacement and stress reliability of plane truss under vertical load was programmed with MATLAB. The failure probability of the most unfavorable structural vertical displacement and stress and reliable indicators were obtained through direct sampling Monte Carlo method, response surface method, response surface-Monte Carlo method and response surface-important sampling Monte Carlo method. It is found that calculation lasts longer since there are so many samples with Monte-Carlo method, higher accuracy and less calculation time can be achieved through response surface-Monte Carlo method and response surface-important sampling Monte Carlo method with fewer samples. The results of different numerical simulation calculations are almost identical and reliable, providing references to reliability analysis of complex structures.
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NISHIMURA, Nobuo, Sadao KOMATSU, and Shunsuke NISHIDE. "Ultimate strength of compression members in truss plane." Doboku Gakkai Ronbunshu, no. 386 (1987): 221–26. http://dx.doi.org/10.2208/jscej.1987.386_221.

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Fedoroff, Alexis, and Reijo Kouhia. "Out-of-plane elastic buckling of truss beams." Structural Engineering and Mechanics 45, no. 5 (March 10, 2013): 613–29. http://dx.doi.org/10.12989/sem.2013.45.5.613.

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Neeraja, D., Thejesh Kamireddy, Potnuru Santosh Kumar, and Vijay Simha Reddy. "Weight optimization of plane truss using genetic algorithm." IOP Conference Series: Materials Science and Engineering 263 (November 2017): 032015. http://dx.doi.org/10.1088/1757-899x/263/3/032015.

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Dissertations / Theses on the topic "Plane truss"

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Mohamadzadeh, Milad. "Analysis of Metal Plate Connected Wood Truss Assemblies under Out-of-Plane Loads." Thesis, Virginia Tech, 2014. http://hdl.handle.net/10919/50271.

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In 2012, falls from elevation in construction industry represented 36% of the total fatalities. The Occupational Safety and Health Administration requires workers to use fall protection systems where workers are 6 feet or more above a lower level. Anchors for fall protection systems attached to roof trusses may cause out-of-plane loading on these structures. Metal plate connected wood trusses (MPCWT) are not designed to carry out-of-plane loads and MPCWT performance under these loads are not evaluated in the design process. The goal of this research is to model and analyze MPCWT assemblies under out-of-plane loads. The rotational stiffness of truss-wall connections, and truss bracing elements are included in the structural component model. Previous experimental data of fall arrest anchor loading were used for model validation. A parametric study considering loading location, joint stiffness and dimension of trusses was conducted. The structural analog of the MPCWT assemblies were found to have first truss deflections within 4% difference, thereby the models were validated. From parametric study results, the load location was not changed the ultimate deflection in the truss assembly by maximum value of 9%. Out-of-plane joint stiffness was the parameter that caused a large difference in the deflection results, when the joists were assumed as either rigid or simple connections. The rotational stiffness of lateral and diagonal bracing should be included as model inputs for the accurate representation of experimental behavior. Truss lengths increased the deflection at the top chord of the first truss in the assembly as truss width increased.
Master of Science
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Lu, Ya Nan. "Static and forced vibration analysis of plane truss structure with geometrical nonlinearity." Thesis, University of Macau, 2015. http://umaclib3.umac.mo/record=b3335487.

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Vieira, Rosilene de Fátima 1968. "Um estudo sobre ligações do tipo YT de barras afastadas de seções tubulares circulares laminadas de aço." [s.n.], 2007. http://repositorio.unicamp.br/jspui/handle/REPOSIP/257808.

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Orientadores: João Alberto Venegas Requena, Arlene Maria Sarmanho Freitas
Tese (doutorado) - Universidade Estadual de Campinas, Faculdade de Engenharia Civil, Arquitetura e Urbanismo
Made available in DSpace on 2018-08-09T16:17:35Z (GMT). No. of bitstreams: 1 Vieira_RosilenedeFatima_D.pdf: 11511552 bytes, checksum: 29b74159f0f84a8ee1a18dcef013b5fa (MD5) Previous issue date: 2007
Resumo: Este trabalho apresenta os resultados de uma análise teórica, experimental e numérica, de uma ligação YT utilizada em estruturas metálicas planas, tendo como ponto de partida a verificação do comportamento global da ligação. Será avaliada uma ligação de treliça do tipo YT com diferentes afastamentos entre as barras "gap". As barras que compõem a ligação, aqui apresentada, possuem seções transversais tubulares circulares, vazadas de parede fina, soldadas entre si. O modo de colapso da ligação foi devido à plastificação da parede do banzo (uma diagonal tracionando a parede do banzo e o montante comprimindo). Um efeito de abaulamento da seção transversal do banzo na região do afastamento foi observado. O dimensionamento da ligação segue o Método dos Estados Limites, no qual as resistências de cálculo são verificadas. As barras envolvidas nesta ligação também sofrem a influência de momentos fletores. O estudo foi realizado através de uma análise comparativa entre uma solução analítica fornecida por normas técnicas internacionais, uma análise experimental e uma modelagem numérica utilizando-se o programa Ansys. A modelagem numérica, tendo como referência a análise experimental, foi realizada utilizando os elementos SHELL 181 e SHELL63, com 4 nós por elemento. Foram realizadas análises paramétricas com variação do afastamento, "gap"J entre os eixos do montante e da diagonal, observando-se que a resistência da ligação cresce com a redução do "gap". A finalidade deste estudo foi o entendimento do comportamento desta ligação, possibilitando assim, a disseminação desta concepção estrutural ainda pouco explorada_no Brasil para viabilizar a execução de projetos otimizados
Abstract: This work presents the theoretical, experimental and numerical analyses using of a YT joint used in plane trusses steel, having as the beginning point the verification of the global behavior of the connection. A connection of truss of YT type with gap members was evaluated. The members that compose the connection, presented here, have circular tubular cross sections welded among themselves. The failure mode of the connection was due to the plastic failure of the chord face (one web member pushing its face whereas the brace is pulling it out). An cambered effect of the chord cross section on the gap region was noted. The connection design follows the Limit State Design, in which the calculated resistance is verified. The involved members in this connection are also subjected the influence from add bendings. The study was developed by through a comparative analysis considering an analytical. solution supplied by intemational technical codes, an experimental analysis and a numerical modeling using with Ansys software. In the numerical study, the 4-node SHELL 181 and SHELL63 element was used to model the connection. The purpose of this study is to understand this connection mechanical behavior, thus contributing to possible the dissemination of this structural. conception still not explored so much in Brazil yet and to to be feasible the execution of optimized projects
Doutorado
Estruturas
Doutor em Engenharia Civil
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O'Regan, Philip J. "Combined Tension and Bending Loading in Bottom Chord Splice Joints of Metal-Plate-Connected Wood Trusses." Thesis, Virginia Tech, 1997. http://hdl.handle.net/10919/36508.

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Metal-plate-connected (MPC) splice joints were tested in combined tension and bending to generate data that were used in the development of a design procedure for determining the steel net-section strength of bottom chord splice joints of MPC wood trusses. Several common wood truss splice joint configurations were tested at varying levels of combined tension and bending loading. The joint configurations were 2x4 lumber with 20-gauge truss plates, 2x6 lumber with 20-gauge truss plates, and 2x6 lumber with 16-gauge truss plates. All the joints tested failed in the steel net-section of the truss plates. The combined loading was achieved by applying an eccentric axial tension load to the ends of each splice joint specimen. Three structural models were developed to predict the ultimate strength of the steel net-section of the splice joints tested under combined tension and bending loading. The test data were fitted to each model, and the most accurate model was selected. Data from other published tests of splice joints were used to validate the accuracy of the selected model. A design procedure for determining the allowable design strength of the steel net-section of a splice joint subjected to combined tension and bending was developed based on the selected model. The new design procedure was compared with two existing design methods. The proposed design procedure is recommended for checking the safe capacity of the steel net-section of bottom chord splice joints of MPC wood trusses subjected to combined tension and bending.
Master of Science
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Liu, Xiaoqin. "Three-dimensional modeling of metal plate connected wood truss joints." Thesis, University of British Columbia, 2013. http://hdl.handle.net/2429/44604.

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This thesis presents theoretical and experimental studies of metal-plate-connected (MPC) wood truss joints under uni-directional tension or out-of-plane bending. A theoretical computer program, SAMPC, was developed based on finite element method (FEM). MPC joint models were constructed using SAMPC, to evaluate the three-dimensional nonlinear performance of the joints. Experimental studies were carried out on MPC truss joints under tension. The joint failure modes were discussed, and the potential reasons for the failure were explored. Data processing techniques were applied to obtain the specific load-displacement relationships, which were in turn used as reference for model calibration and verification. Based on the experimental results, optimized model parameter calibration and model verification were discussed. The program application of MPC joints subjected to out-of-plane bending was investigated. Comparisons of the results from the joint bending test and model verified the applicability of the program for evaluating the out-of-plane rotational stiffness of MPC joints. A reliability analysis was conducted to evaluate the critical buckling load and lateral bracing force of single- and double-braced wood truss web systems. The probability characteristics of a number of variables that affect the performance of braced truss web system were investigated. Based on the results, a factor relating the ratio of the lateral restraining force and axial load was established. This factor with adequate reliability was recommended as a web/bracing design amendment to Canadian Code on Engineering Design of Wood. For the investigated truss joints, SAMPC appears to be superior in terms of its ability to simulate MPC joints in elaborate detail. This detailed model can aid in developing a better understanding of joint behavior under realistic joint configurations and loading conditions. The ability of the model to accurately predict the behavior of the designed MPC joints brings up the potential of modeling joints composed of different wood species and truss plate types featuring more complex joint configurations and loading conditions. The body of information from modeling results can be used to evaluate the adequacy of a given structural design, to facilitate truss plate, truss joint and overall truss design.
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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 Administration (FHWA) has issued preliminary guidance. Although some experimental research has been conducted on the ultimate strength of gusset plates, much of this work has been directed toward the performance of tension members and their connections. There has been limited experimental work on the compression capacity and stability of gusset plates, but most of this work is relevant primarily to bracing connections common in building structures. This research focuses on comprehensive experimental and analytical studies on steel truss bridge gusset plate behavior. The studies include comparisons of advanced analytical models with the responses from large-scale experimental tests using discrete and innovative full-field measurements. The calibrated finite element analysis models are then utilized to study a variety of gusset plate configurations. Improved mechanistic idealizations that better capture the observed behavior in the experiments and analytical studies are proposed as the result of this work. The design checks recommended in this thesis present a comprehensive methodology for determining the ultimate gusset plate resistance. This research provides a large database of original results that will be useful for future similar studies. In addition, this research provides modeling procedures that permit the study of steel truss bridge connections and their adjacent framing members using truss bridge sub-assemblies. Based on the comprehensive analytical studies, simple and accurate design calculation procedures to assess the nominal ultimate strength of steel truss gusset plate connections are recommended for steel truss bridge gusset plate connections.
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Song, Xiaobin. "Stability and reliability analysis of metal plate connected wood truss assemblies." Thesis, University of British Columbia, 2009. http://hdl.handle.net/2429/7721.

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This thesis describes a study on the stability capacity and lateral bracing force of wood beam-columns and metal plate connected (MPC) wood truss assemblies. A user-friendly computer program, SATA, was developed based on the finite element method (FEM). The program can be used to perform three-dimensional nonlinear structural analyses by using the Newton-Raphson and arc-length methods. The Monte Carlo simulation and response surface methods have also been incorporated into the program for the purpose of reliability analyses. Experimental studies were conducted to provide input parameters and verification for the developed software. Material property tests were performed to consider a variety of materials. Biaxial eccentric compression tests of wood beam-columns and full-scale tests of MPC wood truss assemblies were also carried out to study the critical buckling load and lateral bracing force. The program predictions were in good agreement with the test results. A reliability analysis was conducted for a simplified MPC wood truss assembly using the developed program. The effect of the variation of the structural behaviour and external loads on the critical buckling load of the truss assembly was studied. The adequacy of the 2% rule-of-thumb was also studied. This research bridges the knowledge gap that currently exists in the understanding and design of MPC wood truss assemblies and their lateral bracing systems. The test database and the output of the developed program contributes to the development of more efficient design methods for MPC wood truss assemblies and other structures where buckling failure is of concern.
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Harman, Kelly. "Structural integrity of lightweight wood truss assemblies exposed to fire : an insight to the behavior of metal truss plate connectors /." Available to subscribers only, 2006. http://proquest.umi.com/pqdweb?did=1136091331&sid=23&Fmt=2&clientId=1509&RQT=309&VName=PQD.

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Via, Brian Kipling. "Relationship between Tooth Withdrawal Strength and Specific Gravity for Metal Plate Truss Connections." Thesis, Virginia Tech, 1998. http://hdl.handle.net/10919/46497.

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The objectives of this research were twofold: a) to define the relationship between tooth withdrawal and specific gravity for southern pine lumber and four different plate-to-wood load orientations, and b) to demonstrate how these relationships could be applied to new lumber grades to predict tooth withdrawal performance so that additional testing would not be necessary. The four orientations investigated were: a.)LRAA - plate axis parallel to load and wood grain parallel to load. b.) LREA - plate axis perpendicular to load and wood grain parallel to load. c.) LRAE - plate axis parallel to load and wood grain perpendicular to load. d.)LREE - plate axis perpendicular to load and wood grain perpendicular to load. For the LRAA, LREA, LRAE, LREE orientations, the following sample sizes were respectively: 27, 22, 27, and 29. Results showed specific gravity and embedment gap were excellent predictors of ultimate tooth withdrawal stress for the LRAA orientation. However, neither specific gravity nor percentage of latewood significantly influenced the location of tooth withdrawal. For the LREA orientation, specific gravity alone was a good predictor of ultimate tooth withdrawal stress. Furthermore, the side of the joint test specimen where tooth withdrawal initiated was dependent on the wood piece with the lowest mean specific gravity. For the LRAE orientation, specific gravity was a marginal predictor of ultimate tooth withdrawal stress. For the LREE orientation, specific gravity was a decent predictor of ultimate tooth-withdrawal stress.


Master of Science
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McShane, Brian. "The place of trust : young masculinities, relationality and everyday violence." Thesis, Goldsmiths College (University of London), 2018. http://research.gold.ac.uk/24396/.

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This thesis argues for a re-thinking around young men, masculinities and urban cultures. It asks how are young masculinities practiced and what are the tensions that arise for young men in maintaining their gender identity? As a five-year ethnographic study of young men conducted through youth work spaces in South London, it gives a detailed account of the ways young men do gender and the relational practices through which vernacular cultures are made, maintained and (re)produced. Young masculinities are over-determined in the urban imagination readily explained through crime, gangs and violence and stereotypical representations of cultural productions and resistance. Bringing together literatures on urban cultures and space, young men in urban contexts, and masculinities it offers an understanding of how young men and masculinities can be better understood in relation to urban cultures and spaces. Moving across four youth work projects it examines the inter-personal and group relationships amongst young men giving an account of their emotional life, to show how belongings are practiced and re-made in the active production of urban multiculture. Young men carry their bodies in certain ways and embody distrust operating an instrumental relationship to language. But these practices are also active in building relationships and are used as ways to address uncertainties and develop knowledge in gendered ways. The thesis shows how young men navigate their peer relationships and the complex belongings of urban life through navigating exclusions and threats and remaking local identities linked to place whilst focusing on their futures, by maintaining codes of humour, respect and trust.
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Books on the topic "Plane truss"

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Vittas, Dimitri. The rationale and performance of perosnal pension plans in Chile. Washington, DC (1818 H St. NW Washington 20433): Country Economics Dept., World Bank, 1992.

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Board, Securities and Investments. Unit trust only personal equity plans. London: Securities and Investments Board, 1989.

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United States. Internal Revenue Service. Filing requirements for employee benefit plans. [Washington, D.C.?]: [Dept. of the Treasury, Internal Revenue Service], 1985.

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Employee benefit plans. Durham, N.C: Carolina Academic Press, 2010.

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Kozak, Barry. Employee benefit plans. Durham, NC: Carolina Academic Press, 2010.

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McFadden, John J. Qualified retirement plans. Bryn Mawr, Pa: American College Press, 2007.

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Hakala, Donald J. Qualified retirement plans. 2nd ed. Chicago, Ill: Dearborn-R&R Newkirk, 1994.

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Hakala, Donald J. Qualified retirement plans. Chicago, Ill: Longman Financial Services Pub., 1989.

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Barbara, Deer, ed. The National Trust calendar of garden lore. London: Dorling Kindersley, 1989.

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McGinn, Daniel F. Actuarial fundamentals for multiemployer plans. 2nd ed. Brookfield, Wis: International Foundation of Employee Benefit Plans, 1992.

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Book chapters on the topic "Plane truss"

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Kattan, Peter I. "The Plane Truss Element." In MATLAB Guide to Finite Elements, 60–88. Berlin, Heidelberg: Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-662-05209-9_5.

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Kattan, Peter I. "The Plane Truss Element." In MATLAB Guide to Finite Elements, 61–89. Berlin, Heidelberg: Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-70698-4_5.

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Mustapha, Khameel Bayo. "Plane and Space Truss Elements." In Finite Element Computations in Mechanics with R, 77–122. First edition. | Boca Raton, FL : CRC Press/Taylor & Francis Group, 2018. | “A CRC title, part of the Taylor & Francis imprint, a member of the Taylor & Francis Group, the academic division of T&F Informa plc.”: CRC Press, 2018. http://dx.doi.org/10.1201/b22398-5.

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Peng, Yijiang, and Yinghua Liu. "Geometrically Nonlinear BFEM for Plane Truss." In Advances in the Base Force Element Method, 311–82. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-5776-3_14.

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Peng, Yijiang, and Yinghua Liu. "Base Force Element Method for Plane Truss." In Advances in the Base Force Element Method, 253–76. Singapore: Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-13-5776-3_12.

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Luo, Yajun, Xinong Zhang, and Minglong Xu. "Nonlinear Self-Defined Truss Element Based on the Plane Truss Structure with Flexible Connector." In Dynamical Systems, 357–70. New York, NY: Springer New York, 2010. http://dx.doi.org/10.1007/978-1-4419-5754-2_28.

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Kondoh, Kazuo, and Kazunari Tanaka. "Large Deformation and Post-Buckling Analyses of Plane and Space Truss Structures." In Computational Mechanics ’86, 645–50. Tokyo: Springer Japan, 1986. http://dx.doi.org/10.1007/978-4-431-68042-0_89.

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Pereira, Juliana Hoyer Insaurrauld, Mauricio Rangel Pacheco, Pedro Manuel Calas Lopes Pacheco, Ricardo Alexandre Amar de Aguiar, and Marcelo Amorim Savi. "Modeling Shape Memory Alloy Plane Truss Structures using the Finite Element Method." In III European Conference on Computational Mechanics, 166. Dordrecht: Springer Netherlands, 2006. http://dx.doi.org/10.1007/1-4020-5370-3_166.

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Wheatley-Liss, Deirdre R. "Trust in Trusts." In Plan Your Own Estate, 77–94. Berkeley, CA: Apress, 2012. http://dx.doi.org/10.1007/978-1-4302-4495-0_6.

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Preumont, A. "Piezoelectric Beam, Plate and Truss." In Vibration Control of Active Structures, 61–101. Dordrecht: Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-94-007-2033-6_4.

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Conference papers on the topic "Plane truss"

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Torkamani, Morteza A. M., and Jyh-Hung Shieh. "Elastic Nonlinear Analysis of Plane Truss Bridges." In Structures Congress 2011. Reston, VA: American Society of Civil Engineers, 2011. http://dx.doi.org/10.1061/41171(401)22.

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Lei, Hujun, Xiaozhen Li, and Yan Wei. "Plane Frame Method for Plate-Truss Composite Structures with Monolithic Orthotropic Deck." In Third International Conference on Transportation Engineering (ICTE). Reston, VA: American Society of Civil Engineers, 2011. http://dx.doi.org/10.1061/41184(419)253.

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"Small Diameter Bamboo Plane Truss with 3C Connections." In Non-Conventional Materials and Technologies. Materials Research Forum LLC, 2018. http://dx.doi.org/10.21741/9781945291838-45.

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Mohamadzadeh, Milad, and Daniel P. Hindman. "Analysis of Metal Plate Connected Wood Truss Assemblies under Out-of-Plane Loads." In Structures Congress 2015. Reston, VA: American Society of Civil Engineers, 2015. http://dx.doi.org/10.1061/9780784479117.174.

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Xue, Zhihang, and Eddie Siu-shu Lam. "A Plane Equivalent Micro-truss Element for Reinforced Concrete Structures." In The 4th World Congress on Civil, Structural, and Environmental Engineering. Avestia Publishing, 2019. http://dx.doi.org/10.11159/icsect19.131.

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Huang, Hongwei, and Jann N. Yang. "Damage identification of a plane steel truss with incomplete measurements." In SPIE Smart Structures and Materials + Nondestructive Evaluation and Health Monitoring, edited by Masayoshi Tomizuka. SPIE, 2010. http://dx.doi.org/10.1117/12.847758.

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HALLAUER, JR., WILLIAM, and STEVEN LAMBERSON. "Experimental active vibration damping of a plane truss using hybrid actuation." In 30th Structures, Structural Dynamics and Materials Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 1989. http://dx.doi.org/10.2514/6.1989-1169.

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Zhao, Ming Bo, and Xiao Hui Luo. "Study on the influence line of plane statically truss by MAPLE." In 5th International Conference on Civil Engineering and Transportation. Paris, France: Atlantis Press, 2015. http://dx.doi.org/10.2991/iccet-15.2015.189.

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Canfield, Stephen L., R. Randall Soper, Scott L. Hendricks, and Charles F. Reinholtz. "Velocity Analysis of Truss-Type Manipulators." In ASME 1996 Design Engineering Technical Conferences and Computers in Engineering Conference. American Society of Mechanical Engineers, 1996. http://dx.doi.org/10.1115/96-detc/mech-1158.

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Abstract A generalized method for the velocity analysis of truss-type manipulators is presented. This analysis relies on a priori knowledge of the position analysis for the manipulator. The approach uses a connectivity chart to define the equations required to determine the velocities of the nodal points of the truss. The problem of determining the nodal velocities is formulated as a linear algebraic relationship for ease of analytical and numerical manipulation. Once each nodal velocity is known, a general description of the overall manipulator velocity is formed by determining the instantaneous screw axis for the output plane. An analytical method for characterizing this output velocity in terms of the instantaneous screw axis is presented. Analysis of each of the four basic variable geometry truss modules (tetrahedron, octahedron, decahedron, and dodecahedron) is presented. Although ad hoc velocity analyses of many of these manipulators have been presented in the past, the technique presented in this paper is unified for any truss-type manipulator.
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dos Santos e Lucato, S. L., R. M. McMeeking, and A. G. Evans. "Kagome-Based High Authority Shape Morphing Structure." In ASME 2004 International Mechanical Engineering Congress and Exposition. ASMEDC, 2004. http://dx.doi.org/10.1115/imece2004-60768.

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A concept for a high authority shape morphing plate is described and demonstrated. The design incorporates an active back-plane comprising a Kagome truss, capable of changing the shape of a solid face, connected to the back-plane by means of a tetrahedral truss core. The two shape deformations to be demonstrated consist of hinging and twisting. The design is performed by a combination of analytic estimation and numerical simulation, guided by previous assessments of the Kagome configuration. It is shown that, while the structure is capable of sustaining large passive loads at low weight, the demonstrable authority is actuator-limited. An optimization based on a genetic algorithm has been used to determine the best placement of a limited number of actuators in the structure for a given set of target shapes. The force capability of the actuators and failure threshold loads of the structure were ascertained in the optimization. Possible applications of such multi-shape morphing structures include ailerons and mirrors.
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Reports on the topic "Plane truss"

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Johnson, Frank R. S6801 User's Guide. Version 1.0. Static Analysis of Plane Frame and Truss Structures. Fort Belvoir, VA: Defense Technical Information Center, July 1989. http://dx.doi.org/10.21236/ada236736.

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Demchyna, Bohdan, and Yaroslav Shydlovskyi. Recommendations for Designing Wooden Arches on Metal-toothed Plates. Intellectual Archive, March 2021. http://dx.doi.org/10.32370/ia_2021_03_18.

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This paper presents the findings of the pilot studies and recommendations for designing of two-hinged wooden arches. The prototype models of wooden arches with the span of 6mand the rise of 1m were designed. The models had a rectangular cross-section of 180x40mm and a T-section of 180x40mm with a plywood plate with the thickness of 6 mm and the width of 500mm. The main objective of the T-section was to ensure the stability of the arch. Each arch was composed of six segments –boards joined by clamping plates. The bowstring truss including two inclined tie bars enables carrying asymmetric loads and provides in-plane stability of the arch. A methodology for laboratory testing of the prototype models of wooden arches subjected to different types of loads was developed. Two prototypes of wooden arches were tested with rectangular cross-sections and two T-section ones subjected to the loading across the span, and two prototypes subjected to the half-span loading. In total, eight arches were tested. Deflections of arches, cross-section deformations and arch thrust force were recorded. The arches were tested until failure. The results of testing revealed insufficient stability of the arches with rectangular cross-section in the horizontal plane. For the arches with T-section the whole arch rib was damaged, the in-plane stability was ensured by the T-section. The collapsing force of the T-section arch was about 1.3 times greater than the collapsing force of the rectangular section arches.
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Harman, K. A., and J. R. Lawson. A study of metal truss plate connectors when exposed to fire. Gaithersburg, MD: National Institute of Standards and Technology, 2007. http://dx.doi.org/10.6028/nist.ir.7393.

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Aruguete, Natalia, Ernesto Calvo, Carlos Scartascini, and Tiago Ventura. Trustful Voters, Trustworthy Politicians: A Survey Experiment on the Influence of Social Media in Politics. Inter-American Development Bank, July 2021. http://dx.doi.org/10.18235/0003389.

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Recent increases in political polarization in social media raise questions about the relationship between negative online messages and the decline in political trust around the world. To evaluate this claim causally, we implement a variant of the well-known trust game in a survey experiment with 4,800 respondents in Brazil and Mexico. Our design allows to test the effect of social media on trust and trustworthiness. Survey respondents alternate as agents (politicians) and principals (voters). Players can cast votes, trust others with their votes, and cast entrusted votes. The players rewards are contingent on their preferred “candidate” winning the election. We measure the extent to which voters place their trust in others and are themselves trustworthy, that is, willing to honor requests that may not benefit them. Treated respondents are exposed to messages from in-group or out-group politicians, and with positive or negative tone. Results provide robust support for a negative effect of uncivil partisan discourse on trust behavior and null results on trustworthiness. The negative effect on trust is considerably greater among randomly treated respondents who engage with social media messages. These results show that engaging with messages on social media can have a deleterious effect on trust, even when those messages are not relevant to the task at hand or not representative of the actions of the individuals involved in the game.
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Paulus, Fritz. Columbia Plateau Basin and Fifteenmile Subbasin Water Rights Acquisitons; Oregon Water Trust Combined Work Plan, 2002-2003 Final Report. Office of Scientific and Technical Information (OSTI), December 2003. http://dx.doi.org/10.2172/962671.

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Cvetkovich, George T., and Patricia L. Winter. Social trust and the management of threatened and endangered species: A study of communities of interest and communities of place. Albany, CA: U.S. Department of Agriculture, Forest Service, Pacific Southwest Research Station, 2002. http://dx.doi.org/10.2737/psw-rp-247.

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Flagg, Melissa, and Zachary Arnold. A New Institutional Approach to Research Security in the United States: Defending a Diverse R&D Ecosystem. Center for Security and Emerging Technology, January 2021. http://dx.doi.org/10.51593/20200051.

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U.S. research security requires trust and collaboration between those conducting R&D and the federal government. Most R&D takes place in the private sector, outside of government authority and control, and researchers are wary of federal government or law enforcement involvement in their work. Despite these challenges, as adversaries work to extract science, technology, data and know-how from the United States, the U.S. government is pursuing an ambitious research security initiative. In order to secure the 78 percent of U.S. R&D funded outside the government, authors Melissa Flagg and Zachary Arnold propose a new, public-private research security clearinghouse, with leadership from academia, business, philanthropy, and government and a presence in the most active R&D hubs across the United States.
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Artis, Roslyn, Connie Ledoux Book, Jennifer Clinton, John S. Lucas, James P. Pellow, and Dawn Michele Whitehead. Advancing Global Stability and U.S. National Security through Peaceful Exchange. The International Coalition (coordinated by The Forum on Education Abroad), March 2021. http://dx.doi.org/10.36366/ic.agsausnstpe.03312021.

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For nearly 100 years, American leadership, regardless of political affiliation, has recognized the vital importance of people-to-people international exchange programs in bolstering our nation’s economy, strengthening our national security, and improving America’s status in the world. In today’s interconnected world, where global challenges require global cooperation on solutions, the United States should not retreat from international engagement, but should rather double our efforts to build positive and mutually supportive connections with our neighbors. America must embrace its role in leading international peace and prosperity by facilitating meaningful, safe, educational exchange in all directions – helping more Americans learn firsthand about other people and cultures and helping more foreign students come to America to experience for themselves the principles upon which our country was built - liberty, democracy, capitalism, and basic human freedom. America can and should leverage international education, exchange and public diplomacy programs to plant seeds of peace, regain the world’s trust, and return to our previous role as a respected leader in global affairs. Leading the effort to bring the world together helps America, Americans, and our vital allies.
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Thomas, Sandy, Peter Gregory, Sarah O’Brien, Catriona McCallion, Ben Goodall, Chun-Han Chan, and Paul Nunn. Rapid Evidence Review 1 on the Critical Appraisal of Third-Party Evidence. Food Standards Agency, June 2021. http://dx.doi.org/10.46756/sci.fsa.elm525.

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The Food Standards Agency (FSA) always seeks to ensure that itsrecommendations are made on the best-available evidence. Following a request from the FSA Chair, the Science Council have sought to provide a framework that can guide those seeking to submit uncommissioned evidence to the FSA on its scientific principles and standards.The Science Councils proposed framework is based on the principles of quality, trustand robustness. By being transparent about the FSA’s minimal expectations, we aim to help those who wish to submit evidence, typically in an effort to fill a perceived evidence gap orchange a relevant policy or legislation. The framework also seeks to provides assurance to others on the processes in place within the FSA to assess evidence it receives.When the FSA receives evidence, it will: be transparent about how the evidence is assessed and used to develop its evidence base, policy recommendations and risk communication; assess evidence in its proper context using the principles of quality, trust and robustness; seek to minimise bias in its assessments of evidence by using professional protocols, its SACs, peer review and/or multi-disciplinary teams be open and transparent about the conclusions it has reached about any evidence submitted to it.
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Melton, Patricia A. Enacting an Improved Response to Sexual Assault: A Criminal Justice Practitioner’s Guide. RTI Press, July 2020. http://dx.doi.org/10.3768/rtipress.2020.op.0066.2007.

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Sexual assault is a violent crime that traumatizes individual victims and endangers entire communities. Every victim of sexual assault deserves an opportunity for justice and access to the resources they need to recover from this trauma. In addition, many perpetrators of sexual assaults are serial offenders who also commit other violent crimes, including armed robberies, aggravated assaults, burglary, domestic violence, and homicides, against strangers and acquaintances. Criminal justice agencies have the power to create a strategic, sustainable plan for an improved response to sexual assault that aligns with current best practices and national recommendations. In this document, we define an “improved response” as an approach that supports effective investigation and prosecution of sexual assault cases, holds perpetrators accountable, and promotes healing and recovery for victims of sexual assault. This guide will help prosecutor and law enforcement agencies create a process with milestones, goals, and suggested actions, all designed to support a successful and sustainable approach for addressing sexual assault cases. Improving the criminal justice system’s response to sexual assault ultimately improves public safety and promotes trust between criminal justice agencies and the communities they serve.
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