Guidelines for Using Geosynthetics with Hot-Mix Asphalt Overlays to Reduce Reflective Cracking

Button, J W; Lytton, Robert L.

doi:10.3141/2004-12

Cited by 66 publications

(24 citation statements)

References 1 publication

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“…With the aim of minimizing this problem, several systems are used, and one of the most popular is the placement of geosynthetics under the rehabilitation layer. These products are composed in whole or in part of polymeric materials, and they are placed on the cracked surfaces before the spread of the overlay layer with the aim of acting as reinforcement or stress absorbing layer and thus, delaying the propagation of cracks (Button and Lytton, 2003). There are several geosynthetics specifically designed for this purpose which can be of different types and can be composed of different materials.…”

Section: Introductionmentioning

confidence: 99%

Experimental study of the behaviour of different geosynthetics as anti-reflective cracking systems using a combined-load fatigue test

Gonzalez-Torre¹,

Calzada-Pérez²,

Vega-Zamanillo³

et al. 2015

Geotextiles and Geomembranes

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Section: Introductionmentioning

confidence: 99%

Experimental study of the behaviour of different geosynthetics as anti-reflective cracking systems using a combined-load fatigue test

Gonzalez-Torre¹,

Calzada-Pérez²,

Vega-Zamanillo³

et al. 2015

Geotextiles and Geomembranes

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“…El proceso de puesta en obra de estos productos en la zona de intercapa consiste en verter sobre el geosintético extendido una capa de mezcla bituminosa en caliente a una temperatura comprendida en un rango de 135 -165 °C; [3][4], como se muestra en la figura 1.…”

Section: Introductionunclassified

Análisis Térmico De Geosintéticos Utilizados en La Rehabilitación De La Rehabilitación De Pavimentos

Norambuena-Contreras

Barraza

Castro‐Fresno

et al. 2009

Ingeniare. Rev. chil. ing.

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RESUMENEl crecimiento de la utilización de los geosintéticos en la rehabilitación de pavimentos flexibles se ha visto incrementado de forma considerable desde la década de los años setenta. Estos materiales presentan una serie de ventajas que motivan su gran demanda en la actualidad. La utilización de geosintéticos en la rehabilitación se basa en su capacidad de resistir deformaciones, atenuando las fisuras y grietas que pudiesen presentar los pavimentos flexibles. Se han realizado dos experiencias en laboratorio para simular el proceso de puesta en obra de los geosintéticos en la zona de intercapa. El procedimiento consiste en verter sobre el geosintético extendido, una capa de mezcla bituminosa en caliente comprendida entre 135 -165 °C. El análisis térmico de los resultados obtenidos avala significativamente al material poliéster (PS), con respecto al polipropileno (PP), en futuras aplicaciones de rehabilitación de pavimentos flexibles.Palabras clave: Mezcla bituminosa, geosintéticos, polímero, termoplástico. ABSTRACT

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“…The effectiveness of these products as crack control treatments has been mixed and was reported to depend on many factors including the installation procedure and conditions of the existing pavement. For a geosynthetic product to outperform regular overlays, the existing pavement should not be severely deteriorated and may not experience excessive movements at the joints with a recommended load transfer efficiency of 80 % or greater [19]. Product manufacturers recommend that a minimum overlay thickness of 1.5 in.…”

Section: Geosyntheticsmentioning

confidence: 98%

Mitigation strategies for reflection cracking in rehabilitated pavements – A synthesis

Dhakal

Elseifi

Zhang

2016

International Journal of Pavement Research and Technology

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The placement of an asphalt overlay on top of an existing pavement is rarely a lasting solution. Due to continuous movement of the existing pavement, existing discontinuities such as cracks and joints propagate through the overlay causing reflection cracking. Reflection cracking is a serious challenge associated with pavement rehabilitation. Practical experience shows that reflection cracking propagates at a rate of 1 in. per year. As the need grows for new rehabilitation methodologies to improve the performance of overlays against reflection cracking, a number of state transportation agencies tasked the authors of this paper to conduct a comprehensive review of treatment methods available to delay or to prevent reflection cracking in rehabilitated pavements and to survey current state of practice in addressing this distress. Based on the results of the literature review and the survey questionnaire, a summarized assessment is presented for each treatment method. Further, a number of treatment methods were identified for further evaluation by the state transportation agencies. For existing HMA pavements, crack sealing and overlay, chip Abstract: The placement of an asphalt overlay on top of an existing pavement is rarely a lasting solution. Due to continuous movement of the existing pavement, existing discontinuities such as cracks and joints propagate through the overlay causing reflection cracking. Reflection cracking is a serious challenge associated with pavement rehabilitation. Practical experience shows that reflection cracking propagates at a rate of 1 in. per year. As the need grows for new rehabilitation methodologies to improve the performance of overlays against reflection cracking, a number of state transportation agencies tasked the authors of this paper to conduct a comprehensive review of treatment methods available to delay or to prevent reflection cracking in rehabilitated pavements and to survey current state of practice in addressing this distress. Based on the results of the literature review and the survey questionnaire, a summarized assessment is presented for each treatment method. Further, a number of treatment methods were identified for further evaluation by the state transportation agencies. For existing HMA pavements, crack sealing and overlay, chip seal or open-graded interlayers, full-depth reclamation, and cold-in-place recycling are the most promising treatment methods. For existing PCC pavements, saw and seal, chip seal, open-graded interlayer systems, and rubblization are the most promising treatment methods.

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Guidelines for Using Geosynthetics with Hot-Mix Asphalt Overlays to Reduce Reflective Cracking

Cited by 66 publications

References 1 publication

Experimental study of the behaviour of different geosynthetics as anti-reflective cracking systems using a combined-load fatigue test

Experimental study of the behaviour of different geosynthetics as anti-reflective cracking systems using a combined-load fatigue test

Análisis Térmico De Geosintéticos Utilizados en La Rehabilitación De La Rehabilitación De Pavimentos

Mitigation strategies for reflection cracking in rehabilitated pavements – A synthesis

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