Relevant bibliographies by topics / Deflection basin parameter

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Academic literature on the topic 'Deflection basin parameter'

Author: Grafiati
Published: 3 June 2025
Last updated: 31 July 2025

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Journal articles on the topic "Deflection basin parameter"

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Park, Hee Mun, Y. Richard Kim, and Seong Wan Park. "Assessment of Pavement Layer Condition with Use of Multiload-Level Falling Weight Deflectometer Deflections." Transportation Research Record: Journal of the Transportation Research Board 1905, no. 1 (2005): 107–16. http://dx.doi.org/10.1177/0361198105190500112.

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A condition assessment procedure for pavement layers that uses multiload-level falling weight deflectometer (FWD) deflections is presented. A dynamic finite element program that incorporates a stress-dependent soil model was used to generate the synthetic deflection database. On the basis of the data in this database, the relationships between surface deflections and critical pavement responses, such as the stresses and strains in each layer, have been established. The FWD deflection data, distress survey results, temperature, and laboratory testing results used to develop this procedure were
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Simonin, Jean-Michel, Jean-Michel Piau, Vinciane Le-Boursicault, and Murilo Freitas. "Orthogonal Set of Indicators for the Assessment of Flexible Pavement Stiffness from Deflection Monitoring: Theoretical Formalism and Numerical Study." Remote Sensing 14, no. 3 (2022): 500. http://dx.doi.org/10.3390/rs14030500.

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The monitoring of pavements along roads is generally based on the use of indicators directly derived from measurements. More specifically, the bearing capacity of pavements is often simply deduced from either the maximum deflection value measured or the difference between two measured values along the deflection basin. This paper proposes a methodology to define a set of orthogonal indicators adapted to the structure being evaluated. This methodology is presented for deflection measurements recorded on a flexible pavement simulated by the Burmister model and consists of searching the weighting
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Qamhia, Issam I. A., Erol Tutumluer, Hasan Ozer, and Pranshoo Solanki. "Mechanistic Analyses and Modeling of Pavement Sections Utilizing Sustainable Aggregate Quarry By-Product Applications." Transportation Research Record: Journal of the Transportation Research Board 2674, no. 10 (2020): 614–27. http://dx.doi.org/10.1177/0361198120935115.

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This paper presents a modeling study based on finite element (FE) analysis to mechanistically evaluate flexible pavements constructed with quarry by-products (QB). Twelve pavement test sections, a control section, and 11 others incorporating QB as unbound subgrade replacement and chemically stabilized base/subbase applications were evaluated for field performance using accelerated pavement testing (APT). First, falling weight deflectometer (FWD) deflection basin parameters were calculated and compared with critical pavement responses to evaluate the structural adequacies of the QB pavement sec
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Fan, Jianwei, Tao Ma, Junqing Zhu, Yajing Zhu, and Yiming Zhang. "Characteristics of High-speed deflection basin and structural parameter Back-calculation of asphalt pavement with different structural states." Construction and Building Materials 341 (July 2022): 127869. http://dx.doi.org/10.1016/j.conbuildmat.2022.127869.

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Pierini, Stefano, Pierpaolo Falco, Giovanni Zambardino, Thomas A. McClimans, and Ingrid Ellingsen. "A Laboratory Study of Nonlinear Western Boundary Currents, with Application to the Gulf Stream Separation due to Inertial Overshooting*." Journal of Physical Oceanography 41, no. 11 (2011): 2063–79. http://dx.doi.org/10.1175/2011jpo4514.1.

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Abstract Various dynamical aspects of nonlinear western boundary currents (WBCs) have been investigated experimentally through physical modeling in a 5-m-diameter rotating basin. The motion of a piston with a velocity up that can be as low as up = 0.5 mm s−1 induces a horizontally unsheared current of homogeneous water that, flowing over a topographic beta slope, experiences westward intensification. First, the character of WBCs for various degrees of nonlinearity is investigated. By varying up, flows ranging from the highly nonlinear inertial Charney regime down to a weakly nonlinear regime c
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Amador-Jiménez, Luis Esteban, and Donath Mrawira. "Capturing variability in pavement performance models from sufficient time-series predictors: a case study of the New Brunswick road network." Canadian Journal of Civil Engineering 38, no. 2 (2011): 210–20. http://dx.doi.org/10.1139/l10-127.

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This paper proposes the use of multi-level Bayesian modeling for calibrating mechanistic model parameters from historical data while capturing reliability by estimating a desired confidence interval of the predictions. The model is capable of estimating the parameters from the observed data and expert criteria even in cases of missing data points. This approach allows rapid generation of several deterioration models without the need to partition the data into pavement families. It estimates posterior distributions for model coefficients and predicts values of the response for unobserved levels
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Ma, Lukuan, Min Li, Jinsong Pang, and Chongwei Huang. "Evaluation of Transverse Cracks for Semi-Rigid Asphalt Pavements using Deflection Basin Parameters." Transportation Research Record: Journal of the Transportation Research Board 2673, no. 2 (2019): 358–67. http://dx.doi.org/10.1177/0361198119826075.

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To evaluate transverse cracks on a semi-rigid asphalt pavement by falling weight deflectometer (FWD), a three-dimensional (3D) dynamic finite-element (FE) model to calculate the deflections of transverse-cracked semi-rigid asphalt pavements under FWD loading was developed and validated by in-situ FWD tests. Then, the effect of crack types and crack width on the deflection basin was investigated for semi-rigid asphalt pavements under different interlayer contact conditions. The relationship between transverse cracks and deflection basin parameters (DBPs) was also analyzed. Finally, the slope ra
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Lee, Yung-Chien, Y. Richard Kim, and S. Ranji Ranjithan. "Dynamic Analysis-Based Approach To Determine Flexible Pavement Layer Moduli Using Deflection Basin Parameters." Transportation Research Record: Journal of the Transportation Research Board 1639, no. 1 (1998): 36–42. http://dx.doi.org/10.3141/1639-04.

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Most of the deflection analysis programs used today to analyze falling weight deflectometer (FWD) data are based on static analysis, which often underestimates the subgrade strength. Unfortunately, dynamic analysis usually involves complex calculations and requires significant computation time, thus making it impractical for routine applications. A methodology based on deflection basin parameters and artificial neural networks (ANN) for processing dynamic FWD measurements to estimate layer strengths is presented in this paper. Two-dimensional, dynamic finite element analysis using the ABAQUS p
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Yin, Fu Cheng, Guang Chun Zhou, and Hua Guo. "Parametric Analysis of Flexible Pavement Layers’ Accumulating Deflections." Applied Mechanics and Materials 253-255 (December 2012): 626–31. http://dx.doi.org/10.4028/www.scientific.net/amm.253-255.626.

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This paper conducted a parametric analysis of the flexible pavement layers’ accumulating deflections. The accumulating process of the full-scale medium-strength subgrade (MFC) pavement layer deflections had been simulated by the previous radial basic function (RBF) model. Based on the RBF simulation results, several parameters were proposed to investigate the accumulating features of the pavement layer thickness response, the relationship between layer deflection capacity and average layer thickness, the relationship between the average thickness values of two layers and the relationship betwe
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Quattrocchi, G., S. Pierini, and H. A. Dijkstra. "Intrinsic low-frequency variability of the Gulf Stream." Nonlinear Processes in Geophysics 19, no. 2 (2012): 155–64. http://dx.doi.org/10.5194/npg-19-155-2012.

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Abstract. In this paper a process study aimed at analyzing the low-frequency variability of intrinsically oceanic origin of the Gulf Stream (GS) and GS extension (GSE) is presented. An eddy-permitting reduced-gravity nonlinear shallow water model is implemented in an idealized North Atlantic Ocean, with schematic boundaries including the essential geometric features of the coastline and a realistic zonal basin width at all latitudes. The forcing is provided by a time-independent climatological surface wind stress obtained from 41 years of monthly ECMWF fields. The model response yields strong
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Dissertations / Theses on the topic "Deflection basin parameter"

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Horak, Emile. "Aspects of deflection basin parameters used in a mechanistic rehabilitation design procedure for flexible pavements in South Africa." Thesis, 1987. http://hdl.handle.net/2263/23960.

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The non-destructive measurement of deflection basins has come a long way from measuring only maximum deflection or radius of curvature and using empirical relationships in rehabilitation design. New equipment was developed world-wide and analysis techniques moved towards utilising the full deflection basin in fundamental analysis procedures. This author addressed the problem of a proper description of the full deflection basin by doing a detailed literature survey on this subject. Various deflection basin parameters that describe the deflection basin are listed, as well as the various measurin
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Joshi, Rutuparna Vidyadhar. "Field performance of geogrid reinforced low-volume pavements." Thesis, 2010. http://hdl.handle.net/2152/ETD-UT-2010-05-1381.

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For the past three decades, geosynthetics have been recognized as materials that can significantly improve the performance of pavements on weak subgrade. Pavements exhibit non-linear elasto-plastic behavior. The addition of geosynthetics is undoubtedly beneficial. This being said, researchers have concentrated more on lower life cycle cost and high benefit-cost ratio whereas much less attention has been given to the complex behavior of the reinforced pavement system. Comprehension of the short-term and long-term field performance of reinforced pavements under continued traffic and cyclic envir
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Books on the topic "Deflection basin parameter"

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Pretoria, University of, ed. Aspects of deflection basin parameters used in a mechanistic rehabilitation design procedure for flexible pavements in South Africa. 1987.

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Book chapters on the topic "Deflection basin parameter"

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Bednarek, Włodzimierz Andrzej. "Determination of Foundation Coefficients for a 2-Parameter Model on the Basis of Railway Sleeper Deflection." In Continuous Media with Microstructure 2. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-28241-1_21.

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Gowda, Sachin, K. Vaishakh, Aakash Gupta, R. Prakash, and G. Kavitha. "Modelling of Deflection Basin Parameters of Asphalt Pavements Using Artificial Neural Networks and Adaptive Neuro-Fuzzy Inference Systems." In Transportation Research. Springer Nature Singapore, 2023. http://dx.doi.org/10.1007/978-981-99-6090-3_2.

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Beltran Gloria and Romo Miguel. "Evaluation of structural indices inferred from nondestructive deflection tests on pavements." In From Fundamentals to Applications in Geotechnics. IOS Press, 2015. https://doi.org/10.3233/978-1-61499-603-3-196.

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Based on measured responses of pavements to impact deflection tests, it is possible to estimate both layer moduli and some additional indices of empirical nature, proposed as stiffness classifiers of pavement. It was found that pavement systems with different features and diverse deflection responses, could lead to similar values in each parameter derived from deflection basins, making it difficult to select the pavement property they are supposed to be linked to. Detailed evaluations of these empirical indices, related to basin deflection shape are carried out in this study, taking into accou
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Azevedo, A., S. Ferri, C. Santos, F. Lopes, R. Cruz, and C. Suzuki. "Models to estimate k subgrade reaction modulus values based on deflection basin parameters." In Bearing Capacity of Roads, Railways and Airfields. CRC Press, 2009. http://dx.doi.org/10.1201/9780203865286.ch62.

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Sholokhov, A. V., S. B. Berkovich, N. I. Kotov, and M. G. Belonozhko. "Formation of Self-consistent Navigational Gravity Maps of Local Areas and Joint Assessment of Their Navigation Quality." In International Association of Geodesy Symposia. Springer Berlin Heidelberg, 2022. http://dx.doi.org/10.1007/1345_2021_138.

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AbstractThe actual problem of creation of gravity maps which can be used as correctors in map-matching- navigation systems (MMNS) is considered. It is assumed to use information from two sources: available gravity maps and measurement data of various parameters of the Earth’s gravity field (EGF) (acceleration of gravity, deflection of the vertical, horizontal gradients of the potential).Obtaining the required amount of measurement data of a specified accuracy is considered as a problem of planning primary measurements. At the first stage of its solution, the number of measurements necessary to
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Conference papers on the topic "Deflection basin parameter"

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Xie, Zhaoxing, Lin Cong, and Zhongyin Guo. "Evaluation of Subgrade Modulus for Semi-Rigid Asphalt Pavement Using Deflection Basin Parameter." In GeoShanghai International Conference 2010. American Society of Civil Engineers, 2010. http://dx.doi.org/10.1061/41104(377)50.

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Gopalakrishnan, Kasthurirangan, and Marshall R. Thompson. "Use of Deflection Basin Parameters to Characterize Structural Degradation of Airport Flexible Pavements." In Geo-Frontiers Congress 2005. American Society of Civil Engineers, 2005. http://dx.doi.org/10.1061/40776(155)1.

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Rubens Santos, Caio, Carlos Yukio Suzuki, Rita Moura Fortes, Angela Martins Azevedo, Flaviane Melo Lopes Vallejo, and Gustavo José Machado Consoni. "Subsurface Drainage Influence on Deflection Basin Parameters: Case Study in São Paulo, Brazil." In Eighth International Conference on Maintenance and Rehabilitation of Pavements. Research Publishing Services, 2016. http://dx.doi.org/10.3850/978-981-11-0449-7-094-cd.

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Fu, Zhengchun, Ping Hu, Hui-Ping Wang, and Kunmin Zhao. "Design of a Stamping Test for Investigating Surface Distortion in Sheet Metal Parts." In ASME 2008 International Manufacturing Science and Engineering Conference collocated with the 3rd JSME/ASME International Conference on Materials and Processing. ASMEDC, 2008. http://dx.doi.org/10.1115/msec_icmp2008-72478.

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Surface distortions/deflections are frequently introduced into the Class “A” surfaces during sheet metal stamping processes. However, the origins of the draw die related surface distortion/deflection have not been well understood. This paper presents our design of a stamping test for the investigation of the distortion phenomenon. Five geometric parameters are first identified to represent basic geometry of typical automobile outer panel depression features around the surface distortions. Experimental stamping dies are then designed to reflect various combinations of these five geometric param
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Ramezani, Asghar, Aria Alasty, and Javad Akbari. "Pull-In Parameters of Cantilever Type Nanomechanical Switches in Presence of Casimir Force." In ASME 8th Biennial Conference on Engineering Systems Design and Analysis. ASMEDC, 2006. http://dx.doi.org/10.1115/esda2006-95316.

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In this paper, the influence of the Casimir force on two main parameters describing an instability point of cantilever type nanomechanical switches, which are the pull-in voltage and deflection are investigated by using a distributed parameter beam model. The nonlinear differential equation of the model is transformed into the integral form by using the Green’s function of the cantilever beam. The integral equation is solved analytically by assuming an appropriate shape function for the beam deflection. The detachment length and the minimum initial gap of the cantilever type switches are given
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Ramezani, Asghar, Aria Alasty, and Javad Akbari. "Influence of van der Waals Force on the Pull-In Parameters of Cantilever Type Nanoscale Electrostatic Actuators." In ASME 8th Biennial Conference on Engineering Systems Design and Analysis. ASMEDC, 2006. http://dx.doi.org/10.1115/esda2006-95068.

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In this paper, the influence of the van der Waals force on two main parameters describing an instability point of cantilever type nanomechanical switches, which are the pull-in voltage and deflection are investigated by using a distributed parameter beam model. The nonlinear differential equation of the model is transformed into the integral form by using the Green’s function of the cantilever beam. The integral equation is solved analytically by assuming an appropriate shape function for the beam deflection. The detachment length and the minimum initial gap of the cantilever type switches are
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Imanishi, Naoto, Akira Sone, and Arata Masuda. "Identification of System Parameters of Slab Vibrated With Vibrator by Using Wavelet Transform." In ASME 2005 Pressure Vessels and Piping Conference. ASMEDC, 2005. http://dx.doi.org/10.1115/pvp2005-71243.

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In health monitoring of slabs of a road bridge, it is suitable to carry out on the basis of their stiffness, which is evaluated by spring constants of a spring-mass system model of the slab. When the value of the spring constant is known, the rigidity of the slab and the deflection against the predetermined load can be estimated. These can be used as the basic data of maintenance management of them. The authors have been proposing the method to identify the spring constant of the slab by wavelet transform of an excitation force and acceleration responses. In this paper, the method to identify
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Gupta, K. M., and Sandeep Kumar. "Nonlinear Static Analysis of Orthotropic Piezoelectric Shallow Cylindrical Shell on Elastic Foundation." In ASME 2006 Pressure Vessels and Piping/ICPVT-11 Conference. ASMEDC, 2006. http://dx.doi.org/10.1115/pvp2006-icpvt-11-93494.

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With growth and emergence in the field of adaptive materials, the need arises to study their applications in the field of structural, aerodynamic, aerospace and other fields. These materials can be used as sensors, transducers, and actuators. Although their basic constitutive relations are already developed, but there is still a great deal of scope left in the field of applications. With this aim, a nonlinear static analysis of orthotropic piezoelectric shallow cylindrical shell on Pasternak foundation is investigated in the present work. Basic formulation of the problem is based on strain ene
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Sussmann, Theodore, Sung Lee, and John Choros. "Implications of the Redefined Gage Widening Projection Parameter for the Deployable Split Axle Gage Restraint Measurement System." In ASME/IEEE 2007 Joint Rail Conference and Internal Combustion Engine Division Spring Technical Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/jrc/ice2007-40098.

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Recent gage restraint measurement system (GRMS) developments include the redesign of GRMS vehicles using a deployable split-axle instead of a freight truck mounted split-axle. This new test configuration results in boundary condition changes in the applied loads and split axle location, which influence test results. To ensure the equivalence of test results from these two systems, a comprehensive evaluation of the mechanistic basis for previous GRMS rulemaking was conducted and coupled with a fundamental investigation of factors influencing GRMS performance and inspection accuracy followed by
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Chaabane, G., E. M. Abdel-Rahman, A. H. Nayfeh, S. Choura, S. El-Borgi, and H. Jammoussi. "Dynamic Analysis of a Digital Micromirror Device." In ASME 2006 International Mechanical Engineering Congress and Exposition. ASMEDC, 2006. http://dx.doi.org/10.1115/imece2006-14010.

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We developed a distributed-parameter model (partial differential equations and associated boundary conditions) that describe the coupled torsion and bending motions of the Digital Micromirror Device (DMD) using the extended Hamilton principle. The work done by the electrostatic field is expressed in the form of a potential energy. It is found that coupling between the torsion and bending motions appears in the boundary conditions. The nonlinearity is mainly due to the application of the electrostatic forces and moments. Nonlinear terms appear only in the boundary conditions. The developed mode
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Reports on the topic "Deflection basin parameter"

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Shin, Boonam, Nitin Tiwari, Peter J. Becker, and Antonio Bobet. Improved Light Weight Deflectometer Test (LWD) and Analysis. Purdue University, 2025. https://doi.org/10.5703/1288284317813.

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This study focused on improving light weight deflectometer (LWD) testing protocols and understanding material and equipment variability. The Indiana Department of Transportation (INDOT) adopted the LWD test for its efficiency and effectiveness in measuring soil stiffness, a crucial parameter for pavement structural layers. However, challenges remain for implementing LWD testing, particularly in small construction areas. There are also challenges with establishing standardized performance-related criteria for various subgrade treatments. To address these obstacles, this research aimed to develo
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