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Добірка наукової літератури з теми "Revêtement chaussée"
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Статті в журналах з теми "Revêtement chaussée"
HAMLAT, Smail. "Apport de la mécanique du contact pneu-chaussée dans la prédiction de l'évolution de la texture de surface d'un revêtement routier." Revue Européenne de Génie Civil 10, no. 8 (September 2006): 1010. http://dx.doi.org/10.1080/17747120.2006.9692890.
Повний текст джерелаANFOSSO-LÉDÉE, Fabienne, and Julien CESBRON. "Bruit de roulement automobile : influence du revêtement de chaussée." Bruit et vibrations, November 2019. http://dx.doi.org/10.51257/a-v2-br2060.
Повний текст джерелаABDO, Joseph. "Chaussées composites : revêtement béton sur fondation en grave-bitume." Travaux publics et infrastructures, April 2021. http://dx.doi.org/10.51257/a-v1-c4317.
Повний текст джерелаДисертації з теми "Revêtement chaussée"
Wallace, Efoé Rodrigue. "On the rolling contact between multi-layered bodies, application to tire-pavement modelling." Thesis, Lyon, 2022. http://theses.insa-lyon.fr/publication/2022LYSEI014/these.pdf.
Повний текст джерелаThe purpose of this thesis has been the development of a dimensioning tool for pavement design. In order to better understand their surface degradations (mainly rutting and cracking), a modelling study is carried out. This modelling task has been performed with contact mechanics tools. Particularly, a semi-analytical model has been developed, based on Fast Fourier Transform (FFT) and Conjugate Gradient Method (CGM) algorithms. With view to achieve a more realistic modelling of the tire-pavement contact, the focus has been put on three aspects of the contact problem. Firstly, the multi-layered aspect of the pavement has been considered. Using the Papkovich-Neuber potentials, the influence coefficients have been found in the Fourier frequency domain. A numerical inversion using FFT algorithms has allowed to find the influence coefficients in the space domain. Secondly, the viscoelastic behaviour of asphaltic materials, used in roads construction, has been accounted. To this aim, an Elastic/Viscoelastic correspondence has been proposed. This correspondence imposes to recalculate the influence coefficients at every time step. These additional calculations imply an increase of the computation time; however, the simulations remain straight and fast. In addition, the proposed correspondence is exact in some cases (especially in steady-state regime); and it is an approximation in the other cases where the committed error has been shown to be marginal. Thirdly, the effects of the tangential overall forces have been integrated to the rolling contact. The goal is that the present tool can be able to simulate acceleration, braking, turnaround, etc. cases where tangential forces and/or moment are applied on the wheel in addition to the normal force (which is generally the weight of the car or truck). This tractive rolling contact has been solved between elastically dissimilar bodies submitted not only to tangential forces but also to a spinning moment. All these aspects, introduced together in the model, have allowed to perform various parametric analyses for a better grasp of their influence on general contacts. Furthermore, an application of the developed model has allowed to simulate realistic cases of rolling contact between the tire and the pavement. From examples such as acceleration, turnaround and drift, it has been proven that the tangential forces increase significantly the overall stresses
Yahia, Jamal Charles. "Validation d'un modèle physique de prévision de la température de surface du revêtement de la chaussée : intégration de données in situ et de prévisions à moyenne échéance pour l'élaboration d'informations en météorologie routière hivernale." Phd thesis, Université Blaise Pascal - Clermont-Ferrand II, 2006. http://tel.archives-ouvertes.fr/tel-00688806.
Повний текст джерелаPouteau, Bertrand. "Durabilité mécanique du collage blanc sur noir dans les chaussées." Nantes, 2004. http://www.theses.fr/2004NANT2138.
Повний текст джерелаFor the last ten years, two new composite pavement structures (whitetopping –i. E. Thin concrete slabs over existing rutted asphalt pavement– and Continuously Reinforced Concrete Pavement, CRCP, over asphalt sub-base) have raised a significant interest. Based on the association of a concrete layer bonded to an asphalt sub-base, they lead to a reduction of the layers thickness and cost. A long-lasting bond is essential. This work deals with the mechanical study of the bond fatigue lifespan. Firstly, the bibliographical analysis focuses on the way this bond is deteriorated in such structures submitted to traffic. Cracks induced by the restrained shrinkage of the concrete layer can initiate and propagate debonding. Secondly, a mechanical fatigue test simulates this way of deterioration in laboratory. Interface blasting leads to a more lasting bond. A mechanical analysis of the test is also proposed. Thirdly, a non destructive survey method of the bond quality, based on the use of mechanical wave propagation, is developed. Eventually, full scale experiments analysis provide two evolution of bond. The RN4 experiment aims to measure the growth of an initial fracture at the interface between the concrete layer and the asphalt sub-base under real traffic conditions. After 2 years of traffic, no propagation of the fracture is noticed. For the second full scale experiment, a pavement structure model, constituted of thin layers and wide opened cracks, the awaited way of deterioration (delamination initiated from the vertical crack) is observed after 1 million cycles applied by the accelerated pavement loading facility FABAC
Cesbron, Julien. "Influence de la texture de chaussée sur le bruit de contact pneumatique/chaussée." Nantes, 2007. http://www.theses.fr/2007NANT2079.
Повний текст джерелаThis work deals with experimental and numerical investigations on tyre/road contact for the prediction of tyre/road noise. The dynamical contact stresses between the tyre and the road are modeled by successive static states between an elastic half-space and several perfectly rigid asperities. The problem in statics is solved using a Two-scale Iterative Method (TIM) which is faster than classical numerical methods. Concerning experiments, the contact stresses measured between a rubber block and several spherical punches are in good agreement with the results of the TIM. For the contact in statics between a slick tyre and many rough surfaces, the comparisons between experiments and calculation are still good for surfaces composed of spherical indenters and road surfaces with medium macrotexture. The results are less good for road surfaces with high or small macrotexture. These results are encouraging considering the precision of the measurement system and the simple hypotheses used in the model in comparison with the complexity of tyre/road contact. Finally, in situ measurements of contact forces and tyre/road noise were carried out for a slick tyre rolling on several road surfaces. It seems that dynamical contact stresses are influenced by the visco-elastic behavior of the rubber and by the vibration of the tyre during rolling. These phenomena could be included in the model in the future. Moreover, the measured levels of contact forces and noise were greatly correlated around 800 Hz, which frequency could be directly linked to road texture
Hun, Catherine. "Exploitation de la texture d'images de speckle pour caractériser, de façon globale, l'état de surface des chaussées à l'échelle de la microtexture." Phd thesis, Université Louis Pasteur - Strasbourg I, 2002. http://tel.archives-ouvertes.fr/tel-00003899.
Повний текст джерелаManyo, Edem Yawo. "Modélisation avancée du contact pneu-chaussée pour l'étude des dégradations des chaussées en surface." Thesis, Limoges, 2019. http://www.theses.fr/2019LIMO0034/document.
Повний текст джерелаThe recent appearance of new materials in road structures associated with surface layers thickness decreasing and the increasing of trucks loading and their passage frequency has led to new pathologies of degradation. In addition to the well-known rutting problems, top down cracking is now appearing as well as problems of decohesion at the interfaces. These new pathologies led to considerable expenditure on the entire network (around 15 billion euros per year), particularly in urbanized areas that are more prone to surface damage and do not make it possible to adequately estimate the lifetimes of the roadway, most often overestimated in current design methods. This doctoral work proposes a new approach of the tire-road contact allowing for better apprehend of the main and residual stresses in a bituminous pavement structure. Using a fast numerical tool based on a semi-analytical approach ("Semi-Analytical Methods" (SAM)), the precise geometry of the tire is integrated in order to obtain a real contact pressure distribution as well as surface shear on the pavement surface. Initially, an elastic tractive rolling contact model is implemented for simple theoretical cases and validated by analytical and numerical results from the literature.Then, this model is extended to take into account the elastoplastic behavior of the bodies in contact. This is compared to a numerical result based on the nite element method from the literature. The application for tire-pavement contact results, show a non-uniform distribution of stresses in the structure and mainly in the rst centimeters below the surface with much higher levels than can be predicted by current models that use a uniformly distributed load. The contact pressure is compared to the measurements made by a system called TekScan and the mechanical elds in sublayers are compared to those of Alizé-LCPC in the case of a simple structure. The surface shears are determined in the case of tractive rolling. An application is carried out on the modeling of surface pavement damage. Firstly, analyzes of the behavior of the surface pavement are carried out for a semi-innite semi-grit asphalt concrete layer supposed to be elastic, homogeneous under conditions of acceleration, braking and turning. For studies on top down cracking, principals deformations and directions are determined and analyzed. Then, the elastoplastic contact model is applied on a semi-innite asphalt agragate layer. Deformations and residuals stresses generated in the structure are determined for an analysis on the instability ruts. Once validated, these results will make it possible to more accurately estimate the residual life of pavements but also to understand and avoid surface or near surfacedegradation mechanisms
Neji, Jamel. "Fissuration des chaussées semi-rigides : expérience et modélisation." Châtenay-Malabry, Ecole centrale de Paris, 1992. http://www.theses.fr/1992ECAP0246.
Повний текст джерелаDiakhaté, Malick. "Fatigue et comportement des couches d’accrochage dans les structures de chaussée." Limoges, 2007. https://aurore.unilim.fr/theses/nxfile/default/6571d719-9eba-4e0e-be37-58cb8a5632eb/blobholder:0/2007LIMO4037.pdf.
Повний текст джерелаThe research work presented in this PhD thesis lies within the framework of a partnership between the laboratory Mechanics and Modeling of Materials and Structures in Civil Engineering (3MSCE, University of Limoges) and Eurovia, a subsidiary of the VINCI Group. The study aims at better understanding the mechanistic behavior of tack coats spread at the interface between two asphalt concrete (AC) layers. This behavior is characterized through a large experimental campaign. Then, the tests results are used in a finite element program. This program allows the pavement structure engineer to predict, on the one hand, the durability of the bonding at the interface, and on the other hand, the effect of modeling the interface behavior on the pavement response. In this research project, a laboratory double shear test device is designed and manufactured. By means of a mono-axis hydraulic press, the device allows applying a double shear loading at the interfaces of a symmetrical specimen which is consisted of three AC layers. Thus, monotonic, oligocyclic and fatigue tests are carried out at 10 and 20°C on an interface BBTM/BBSG (very thin AC layer overlaid on a dense AC layer). This interface is with or without tack coat (a cationic rapid-set emulsion with pure bitumen). The oligocyclic and fatigue tests were carried out in a force controlled mode, and lead to very innovative and interesting results. Three failure criteria are analyzed. The results clearly show that the lack of tack coat reduces the fatigue performance of the bonding (interface). Through the analysis of the results, a method is proposed, and allows predicting the fatigue law of the bonding from the monotonic shear tests results. This shear tests campaign is completed by a series of laboratory monotonic torque tests. Besides the characterization of the tack coats shear behavior, the experimental conditions where the torque and the double shear tests results are similar are specified. The last part of this work deals with, on the one hand, the effect of the interface shear behavior on the pavement structure design, and on the other hand, the effect of the repeated horizontal loads on the fatigue of the bonding at the interface. Two finite element models (2D and 3D) are developed in order to evaluate the mechanistic response of the pavement subjected to the French standard axle. Findings from this numerical simulation show that, when taking into account the horizontal loads, the fatigue of the bonding becomes predominant during the pavement structure design
Hamlat, Smail. "Étude de la résistance des revêtements routiers aux sollicitations tangentielles." Nantes, 2007. http://www.theses.fr/2007NANT2045.
Повний текст джерелаHeavy traffic at intersections (especially in urban areas) poses a particularly difficult challenge to traffic engineers interested in durable and safe wearing courses. At such places, heavy traffic causes damage to the road surface by aggregates loss and horizontal displacement of the bituminous surfacing, due to application of high shear stresses by truck tyres. Currently, the question of the assessment of the durability of bituminous surfacings in zones with high shear stresses in the laboratory does not seem completely resolved. In this work, we propose an approach based on a new experimental apparatus to simulate the surface damage by loss of aggregates. Taking in account the local phenomenon, an important advantage of the new device is that it permits to maintain a constant vertical loading whatever the level of surface deterioration. The first stage of this work is concerned with the characterization of the mechanical contact. The friction and the distribution of pressure are given for different loading conditions. The experimental procedure has been optimized in vertical force control in order to ensure a contact with a high friction between the materials. We present the results performed with different binders and with different aggregate gradations. Before the appearance of surface damage, aggregates displacements are systematically observed on the surface of the sample before the first departure of aggregates. At last, we propose two parametric models; the first model gives a link between the resistance to the tangential force and the performance of binders measured from fracture tests. The second one gives a prediction from aggregate gradation
Tang, Zhenzhong. "Polissage et adhérence des chaussées routières." Phd thesis, Ecole des Ponts ParisTech, 2007. http://pastel.archives-ouvertes.fr/pastel-00003623.
Повний текст джерела