Academic literature on the topic 'AASHTO 1993 Design Guide'

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Journal articles on the topic "AASHTO 1993 Design Guide"

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Islam, Shuvo, Mustaque Hossain, Christopher A. Jones, Avishek Bose, Ryan Barrett, and Nat Velasquez. "Implementation of AASHTOWare Pavement ME Design Software for Asphalt Pavements in Kansas." Transportation Research Record: Journal of the Transportation Research Board 2673, no. 4 (2019): 490–99. http://dx.doi.org/10.1177/0361198119835540.

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Many highway agencies are transitioning from the 1993 AASHTO pavement design guide to the AASHTOWare Pavement ME Design (PMED). Pavement performance models embedded in the PMED software need to be calibrated for new and reconstructed hot-mix asphalt (HMA) pavements. Twenty-seven newly constructed HMA pavements were used to calibrate the prediction models—twenty-one for calibration and six for validation. Local calibration for permanent deformation, top-down fatigue cracking, and the International Roughness Index (IRI) models was done using the traditional split-sample method. Comparison with t
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Hall, Kevin D., and Charles W. Schwartz. "Development of Structural Design Guidelines for Porous Asphalt Pavement." Transportation Research Record: Journal of the Transportation Research Board 2672, no. 40 (2018): 197–206. http://dx.doi.org/10.1177/0361198118758335.

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Porous asphalt pavements allow designers to introduce more sustainability into projects and lessen their environmental impact. Current design procedures are based primarily on hydrologic considerations; comparatively little attention has been paid to their structural design aspects. As their use grows, a design procedure and representative material structural properties are needed to ensure that porous pavements do not deteriorate excessively under traffic loads. The objective of this project was to develop a simple, easy to apply design procedure for the structural design of porous asphalt pa
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Hamdar, Yara S., and Ghassan R. Chehab. "Integrating the Dynamic Modulus of Asphalt Mixes in the 1993 AASHTO Design Method." Transportation Research Record: Journal of the Transportation Research Board 2640, no. 1 (2017): 29–40. http://dx.doi.org/10.3141/2640-04.

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The AASHTO Guide for Design of Pavement Structures 1993 (1993 Design Guide) remains the most widely used pavement design manual by highway agencies and design consultants around the world. As defined in the 1993 Design Guide, the structural coefficient of a pavement layer ( ai) is an abstract measure of the relative ability of a unit thickness of a given material to function as a structural component of the pavement. Nevertheless, the assumed ai values of the asphalt layers and a proposed relationship between ai and the resilient modulus do not account for the mechanical and physical propertie
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Timm, David H., David E. Newcomb, and Theodore V. Galambos. "Incorporation of Reliability into Mechanistic-Empirical Pavement Design." Transportation Research Record: Journal of the Transportation Research Board 1730, no. 1 (2000): 73–80. http://dx.doi.org/10.3141/1730-09.

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Pavement thickness design traditionally has been based on empiricism. However, mechanistic-empirical (M-E) design procedures are becoming more prevalent, and there is a current effort by AASHTO to establish a nationwide M-E standard design practice. Concurrently, an M-E design procedure for flexible pavements tailored to conditions within Minnesota has been developed and is being implemented. Regardless of the design procedure type, inherent variability associated with the design input parameters will produce variable pavement performance predictions. Consequently, for a complete design proced
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Guan, Yun, Eric C. Drumm, and N. Mike Jackson. "Weighting Factor for Seasonal Subgrade Resilient Modulus." Transportation Research Record: Journal of the Transportation Research Board 1619, no. 1 (1998): 94–101. http://dx.doi.org/10.3141/1619-11.

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Subgrade resilient modulus is highly dependent on water content, which can vary significantly with a number of seasonal environmental factors. Because the determination of seasonal resilient modulus is cumbersome, it is difficult to include environmental factors in pavement design. The use of a weighting factor for flexible pavement design to include the effects of monthly changes in the subgrade resilient modulus is described. The weighting factor, which was derived from Miner’s linear damage concept and the 1993 AASHTO design equation for flexible pavements, is used to designate a design sea
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Maadani, Omran, and A. O. Abd El Halim. "Environmental Considerations in the AASHTO Mechanistic-Empirical Pavement Design Guide: Impacts on Performance." Journal of Cold Regions Engineering 31, no. 3 (2017): 04017008. http://dx.doi.org/10.1061/(asce)cr.1943-5495.0000126.

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Retherford, Jennifer Q., and Mark McDonald. "Unified Approach for Uncertainty Analysis Using the AASHTO Mechanistic-Empirical Pavement Design Guide." Journal of Transportation Engineering 138, no. 5 (2012): 657–64. http://dx.doi.org/10.1061/(asce)te.1943-5436.0000355.

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Galal, Khaled A., and Ghassan R. Chehab. "Implementing the Mechanistic–Empirical Design Guide Procedure for a Hot-Mix Asphalt–Rehabilitated Pavement in Indiana." Transportation Research Record: Journal of the Transportation Research Board 1919, no. 1 (2005): 121–33. http://dx.doi.org/10.1177/0361198105191900113.

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One of the Indiana Department of Transportation's (INDOT's) strategic goals is to improve its pavement design procedures. This goal can be accomplished by fully implementing the 2002 mechanistic–empirical (M-E) pavement design guide (M-E PDG) once it is approved by AASHTO. The release of the M-E PDG software has provided a unique opportunity for INDOT engineers to evaluate, calibrate, and validate the new M-E design process. A continuously reinforced concrete pavement on I-65 was rubblized and overlaid with a 13–in.-thick hot-mix asphalt overlay in 1994. The availability of the structural desi
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Sas, Wojciech, Andrzej Głuchowski, and Alojzy Szymański. "Determination of the Resilient modulus MR for the lime stabilized clay obtained from the repeated loading CBR tests." Annals of Warsaw University of Life Sciences - SGGW. Land Reclamation 44, no. 2 (2012): 143–53. http://dx.doi.org/10.2478/v10060-011-0070-0.

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Abstract Determination of the Resilient modulusMR for the lime stabilized clay obtained from therepeated loading CBR tests. The main aim of this paper is to prove that CBR repeated test is useful to give an adequate like unconfi ned cyclic triaxial test parameters for design the pavement and subgrade soils. That parameter is the Resilient modulus (MR) which is the elastic modulus based on the recoverable strain under repeated load. Resilient modulus (MR), is an important parameter which characterizes the subgrade’s ability to withstand repetitive stresses under traffic loadings. The 1993 AASHT
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Tobias, Daniel H. "Special Issue on AASHTO-LRFD Bridge Design and Guide Specifications: Recent, Ongoing, and Future Refinements." Journal of Bridge Engineering 16, no. 6 (2011): 683. http://dx.doi.org/10.1061/(asce)be.1943-5592.0000297.

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Dissertations / Theses on the topic "AASHTO 1993 Design Guide"

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Parris, Kadri. "Extension Of Stress-Based Finite Element Model Using Resilient Modulus Material Characterization To Develop A Theoretical Framework for Realistic Response Modeling of Flexible Pavements on Cohesive Subgrades." The Ohio State University, 2015. http://rave.ohiolink.edu/etdc/view?acc_num=osu1437623013.

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Masad, Sanaa Ahmad. "Sensitivity analysis of flexible pavement response and AASHTO 2002 design guide for properties of unbound layers." Thesis, Texas A&M University, 2004. http://hdl.handle.net/1969.1/528.

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Unbound granular materials are generally used in road pavements as base and subbase layers. The granular materials provide load distribution through aggregate contacts to a level that can help the subgrade to withstand the applied loads. Several research studies have shown that unbound pavement layers exhibit anisotropic properties. Anisotropy is caused by the preferred orientation of aggregates and compaction forces. The result is unbound pavement layers that have higher stiffness in the vertical direction than in the horizontal direction. This behavior is not accounted for in the design
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Al-Jhayyish, Anwer K. "Incorporating Chemical Stabilization of the Subgrade in Pavement Design andConstruction Practices." Ohio University / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1405480246.

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Boone, Jonathan. "Comparison of Ontario Pavement Designs Using the AASHTO 1993 Empirical Method and the Mechanistic-Empirical Pavement Design Guide Method." Thesis, 2013. http://hdl.handle.net/10012/8047.

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The AASHTO 1993 Guide for Design of Pavement Structures is the most widely used pavement design method in both Canada and the United States, and is currently used by the Ministry of Transportation of Ontario (MTO) for both flexible and rigid pavement design. Despite its widespread use, the AASHTO 1993 pavement design method has significant limitations stemming primarily from the limited range of conditions observed at the AASHTO Road Test from which its empirical relationships were derived. The Mechanistic-Empirical Pavement Design Guide (MEPDG) was developed to address the perceived limitatio
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Lin, Sheng-Xuan, and 林聖旋. "A Study of Equivalent Single-Axle Load Factor in AASHTO Design Guide for Rigid Pavement." Thesis, 1998. http://ndltd.ncl.edu.tw/handle/39491768497007875086.

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碩士<br>國立成功大學<br>土木工程研究所<br>86<br>AASHTO剛性鋪面等效軸荷重因子之研究 研 究 生:林聖旋 指導教授:郭振銘 摘 要 目前AASHTO規範為國內剛性鋪面厚度設計常使用的規範之一。 此規範是以單軸8.2 ton(18,000 lb)及胎壓517.3 kPa(75 psi)至565.6 kPa(82 psi)為標準軸重之試驗結果,亦即須先將所有的車軸轉換成相當 於單軸8.2 ton(18 kips)對鋪面所造成損壞的等效軸重因子(ESLF),再累 積求得設計年限內的等效單軸荷重(ESAL)次數,作為鋪面厚度設計之交通 因子(W18)。若ESLF有稍微的偏差,因龐大交通量之故其設計年限內所累 積下的W18將產生很大的誤差,所設計的鋪面厚度必定有所差距。然而 AASHTO規範的ESLF經驗式僅考慮鋪面版的厚度、車軸種類(單、雙軸)、 車軸重量及鋪面最終服務指標等四項因素而已,且有一部份的ESLF是以外
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Strachan, Kathryn. "Embodied design: a field guide for the bodiless designer." 2013. http://hdl.handle.net/1993/14416.

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Embodied design is a response to what I know of landscape architecture. At the heart of this practicum lies the question of how to better connect the body, mind and environment. It is through the simple act of walking that I begin to uncover the body (both emotionally and physically) as well as the landscape(and all its many attributes). Through an investigation of the phenomenological body I attempt to dissolve dualistic thinking and get back to the lived experience, in turn creating a stronger connection to the sensuous world, as well as the people, plants and animals who we ultimately desig
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Kennedy, Andrea C. "Surfacing: a guide for approaching landscape." 2008. http://hdl.handle.net/1993/3006.

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This work is a compilation of ideas intended as a framework for an alternative approach to engaging ‘site’ in the design process, an approach that maintains and explores the complexities and subtleties of a landscape, of a place. Through two parallel explorations - one that considers an expanded and inclusive interpretation of landscape as the frame through which we engage with, and design, our surroundings, and one that examines the specific nature of this engagement as exchange between the self and the milieu - such an approach has been developed. This approach is called RECONNAISSANCE. Th
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Books on the topic "AASHTO 1993 Design Guide"

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AASHTO guide for design of pavement structures, 1993. The Association, 1993.

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American Association of State Highway and Transportation Officials. AASHTO guide for design of pavement structures, 1993. The Association, 1993.

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Quintus, H. L. Von. Design pamphlet for the determination of design subgrade in support of the 1993 AASHTO guide for the design of pavement structures. U.S. Dept. of Transportation, Federal Highway Administration, Research and Development, Turner-Fairbank Highway Research Center, 1997.

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Quintus, H. L. Von. Design pamphlet for the backcalculation of pavement layer moduli in support of the 1993 AASHTO Guide for the design of pavement structures. U.S. Dept. of Transportation, Federal Highway Administration, Research and Development, Turner-Fairbank Highway Research Center, 1997.

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Quintus, H. L. Von. Design pamphlet for the determination of layered elastic moduli for flexible pavement design in support of the 1993 AASHTO Guide for the design of pavement structures. U.S. Dept. of Transportation, Federal Highway Administration, Research and Development, Turner-Fairbank Highway Research Center, 1997.

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Officials, American Association of State Highway and Transportation. AASHTO guide for design of pavement structures. AASHTO, 1988.

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Officials, American Association of State Highway and Transportation. AASHTO guide for design of pavement structures. AASHTD, 1986.

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Culmo, Michael P., Lee Marsh, and John Stanton. Recommended AASHTO Guide Specifications for ABC Design and Construction. Transportation Research Board, 2018. http://dx.doi.org/10.17226/25034.

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American Association of State Highway and Transportation Officials., ed. Supplement to the AASHTO guide for design of pavement structures. AASHTO, 1998.

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American Association of State Highway and Transportation Officials. Subcommittee on Bridges and Structures. AASHTO guide for commonly recognized (CoRe) structural elements. AASHTO, 1998.

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Book chapters on the topic "AASHTO 1993 Design Guide"

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Ji, Y., and T. Nantung. "Comparison of design thickness between the 1993 AASHTO Guide and MEPDG for full depth reclamation pavement." In Bearing Capacity of Roads, Railways and Airfields. CRC Press, 2009. http://dx.doi.org/10.1201/9780203865286.ch95.

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"Comparison of design thickness between the 1993 AASHTO Guide and MEPDG for full depth reclamation pavement." In Bearing Capacity of Roads, Railways and Airfields, Two Volume Set. CRC Press, 2009. http://dx.doi.org/10.1201/9780203865286-19.

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Hamdar, Y. S., and G. R. Chehab. "Tool for enhancing the 1993 AASHTO pavement design method to incorporate the dynamic modulus of asphalt mixture." In Bearing Capacity of Roads, Railways and Airfields. CRC Press, 2017. http://dx.doi.org/10.1201/9781315100333-67.

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Mohammad, Nadhiya N., Ismail M. Amin, Razib M. Othman, Hishammuddin Asmuni, Rohayanti Hassan, and Shahreen Kasim. "Design and Implementation of Product Structure Ontology." In Ontology-Based Applications for Enterprise Systems and Knowledge Management. IGI Global, 2013. http://dx.doi.org/10.4018/978-1-4666-1993-7.ch014.

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Knowledge Management consists of processes to capture, share, and effectively use knowledge. Knowledge capture means the process of development and creation of the knowledge, and formalization is an example of direct knowledge capture. Knowledge formalization refers to knowledge representation that is concerned with how to formally think and represent the domain of discourse, and ontologies are now in widespread use as a means of formalizing domain knowledge. Currently, several works using ontologies have been done to formalize knowledge in the manufacturing domain. However, these ontologies have not been shared, and the detail of the implementation of the ontology has not been explained clearly, and as such, the ontology cannot be reused and extended, making several tasks in developing ontologies, i.e., design, performance, annotating works, and applying the ontology, challenging. Therefore, the goal of this study is to formalize knowledge in the manufacturing requirements domain to standardize the engineering terms and analyze the usage of shared terms between products, enabling the ontology to be reused and extended. An ontology named as Product Structure Ontology (PSO) has been developed in order to standardize the engineering terms. PSO is represented by terms in manufacturing engineering, which relate to the product structure. These terms are structured as a hierarchical Directed Acyclic Graph (DAG) and have three main categories of knowledge, namely “product-specific knowledge,” “industry-specific knowledge,” and “generic term.” PSO annotation has been developed in order to analyze the usage of shared terms between products. The PSO terms and engineering product are related to each other to solve the problems of heterogeneity. The PSO development framework and artifact has been shared to enable the ontology to be reused and extended. The framework was designed based on Noy and McGuiness’s methodology and has been modified based on application requirements. Four artifacts have been developed and shared, which are website, browser, database, and documentation. The PSO website is a central platform to provide information about PSO. The PSO browser provides interface to represent the PSO and annotation and allows users to use the PSO tree to query the database. The PSO database contains PSO data in MySQL form and PSO documentation gives general information about ontology category, annotation, evidence code, and database guide.
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Olmedilla, Juan José. "A Survey of Object-Oriented Design Quality Improvement." In Software Applications. IGI Global, 2009. http://dx.doi.org/10.4018/978-1-60566-060-8.ch154.

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The use of object-oriented (OO) architecture knowledge such as patterns, heuristics, principles, refactorings and bad smells improve the quality of designs, as Garzás and Piattini (2005) state in their study; according to it, the application of those elements impact on the quality of an OO design and can serve as basis to establish some kind of software design improvement (SDI) method. But how can we measure the level of improvement? Is there a set of accepted internal attributes to measure the quality of a design? Furthermore, if such a set exists will it be possible to use a measurement model to guide the SDI in the same way software processimprovement models (Humphrey, 1989; Paulk, Curtis, Chrissis, &amp; Weber, 1993) are guided by process metrics (Fenton &amp; Pfleeger, 1998)? Since (Chidamber &amp; Kemerer, 1991) several OO metrics suites have been proposed to measure OO properties, such as encapsulation, cohesion, coupling and abstraction, both in designs and in code, in this chapter we review the literature to find out to which high level quality properties are mapped and if an OO design evaluation model has been formally proposed or even is possible.
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Conference papers on the topic "AASHTO 1993 Design Guide"

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Mulandi, J., T. Khanum, M. Hossain, and Greg Schieber. "Comparison of Pavement Design Using AASHTO 1993 and NCHRP Mechanistic-Empirical Pavement Design Guides." In Airfield and Highway Pavements Specialty Conference 2006. American Society of Civil Engineers, 2006. http://dx.doi.org/10.1061/40838(191)77.

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Gedafa, Daba S., James Mulandi, Mustaque Hossain, and Greg Schieber. "Comparison of Pavement Design Using AASHTO 1993 and NCHRP Mechanistic-Empirical Pavement Design Guides." In First Congress of Transportation and Development Institute (TDI). American Society of Civil Engineers, 2011. http://dx.doi.org/10.1061/41167(398)52.

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El-Badawy, S. M., F. M. Bayomy, M. Santi, and C. W. Clawson. "Comparison of Idaho Pavement Design Procedure with AASHTO 1993 and MEPDG Methods." In First Congress of Transportation and Development Institute (TDI). American Society of Civil Engineers, 2011. http://dx.doi.org/10.1061/41167(398)56.

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Garcia-Ramirez, Yasmany, Santiago Quinones Cuenca, Yandri Lalangui Jaramillo, Bryan Ramirez Cabrera, and Vinicio Roblez Torres. "UTPLPave: an online software package for pavement structural design in roads using AASHTO-1993 methodology." In 2020 XV Conferencia Latinoamericana de Tecnologias de Aprendizaje (LACLO). IEEE, 2020. http://dx.doi.org/10.1109/laclo50806.2020.9381183.

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Haussner, Christian, Takayuki Omori, and Nobuyuki Matsumoto. "Designing Seismic Resilient Railway Structures Combining Japanese Seismic and ASHTO Design Standards." In IABSE Congress, New York, New York 2019: The Evolving Metropolis. International Association for Bridge and Structural Engineering (IABSE), 2019. http://dx.doi.org/10.2749/newyork.2019.1449.

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&lt;p&gt;This paper introduces the seismic design conducted for the railway viaducts in a highly seismic region in Metro Manila, Philippines, in accordance with the local bridge seismic design standard (DPWH-BSDS, 2013), AASHTO Guide Specifications for Load Resistance Factor Design Seismic Bridge Design (LRFD-S) and the Japanese Seismic Design Standard for Railway Structures and Commentary (JDSRS) for making reference to the anti-derailment check under Level 1 Earthquakes (1:100 return period).&lt;/p&gt;&lt;p&gt;The authors concluded that for level 1 earthquakes the seismic design for short pi
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Conru, Andrew B., and Mark R. Cutkosky. "Computational Support for Interactive Cable Harness Routing and Design." In ASME 1993 Design Technical Conferences. American Society of Mechanical Engineers, 1993. http://dx.doi.org/10.1115/detc1993-0345.

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Abstract We describe a system for routing cable harnesses in complex, three-dimensional environments. The approach taken is to automate the basic routing process as much as possible, while allowing designers to guide the system and modify the numerically generated results at any stage. The system begins by quickly generating a coarse routing based on an initial guess of the cable harness configuration (topological structure). Paths are then successively refined to minimize a cost function, while satisfying physical constraints such as minimum bending radius. Human input is useful both for guid
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Wickert, Jonathan A. "Analysis of Self-Excited Longitudinal Vibration of a Moving Tape." In ASME 1993 Design Technical Conferences. American Society of Mechanical Engineers, 1993. http://dx.doi.org/10.1115/detc1993-0224.

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Abstract Longitudinal vibration of a moving magnetic tape can be excited by frictional contact with a recording head, or with a guide that defines the path of the tape. The friction force depends on the velocity, relative to a stationary observer, of the tape element that is instantaneously located at the point of contact. The response of a moving tape under such nonlinear dissipation is determined using new methods for the vibration analysis of axially-moving materials. In a particular transport speed range, longitudinal motion of the tape is self-excited through negative (unstable) damping f
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Kwasny, D. M., and R. J. Cipra. "User Interactive Flexible Fixturing System." In ASME 1993 Design Technical Conferences. American Society of Mechanical Engineers, 1993. http://dx.doi.org/10.1115/detc1993-0347.

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Abstract The focus of this work is on developing a user interactive flexible fixturing system which is used for synthesizing and testing fixture layouts for use in assembly operations. The system is designed to develop fixtures that utilize a specific type of three-point frictional constraint The first component of the system is the synthesis program which employs an analysis strategy that uses graphical techniques to characterize the stability of given fixture configurations. A stability threshold based on fixture element contact friction is identified to provide an indicator for the stabilit
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Baaklini, George Y., Larry D. Percival, Robert N. Yancey, and Harold E. Kautz. "NDE of Titanium Alloy MMC Rings for Gas Turbine Engines." In ASME 1993 Design Technical Conferences. American Society of Mechanical Engineers, 1993. http://dx.doi.org/10.1115/detc1993-0078.

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Abstract Progress in the processing and fabrication of metal matrix composites (MMC’s) requires appropriate mechanical and non-destructive testing methods. These methods are needed to characterize properties, assess integrity, and predict the life of engine components such as compressor rotors, blades, and vanes. For this paper, we investigated the capabilities and limitations of several state-of-the-art nondestructive evaluation (NDE) technologies in characterizing titanium MMC rings for gas turbine engines. We examined the use of NDE technologies such as x-ray computed tomography, radiograph
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Carrotte, J. F., K. F. Young, and S. J. Stevens. "Measurements of the Flow Field Within a Compressor Outlet Guide Vane Passage." In ASME 1993 International Gas Turbine and Aeroengine Congress and Exposition. American Society of Mechanical Engineers, 1993. http://dx.doi.org/10.1115/93-gt-022.

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A series of tests have been carried out to investigate the flow in a Compressor Outlet Guide Vane (OGV) blade row downstream of a single stage rotor. The subsequent flow field that developed within an OGV passage was measured, at intervals of 10% axial chord, using a novel design of miniature 5 hole pressure probe. In addition to indicating overall pressure levels and the growth of regions containing low energy fluid, secondary flow features were identified from calculated axial vorticity contours and flow vectors. Close to each casing the development of classical secondary flow was observed,
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