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Academic literature on the topic 'Road Pavement Design'
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Journal articles on the topic "Road Pavement Design"
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Čygas, Donatas, and Daiva Žilionienė. "DESIGN SOLUTIONS FOR LITHUANIAN GRAVEL ROAD PAVEMENTS." JOURNAL OF CIVIL ENGINEERING AND MANAGEMENT 8, no. 2 (2002): 138–42. http://dx.doi.org/10.3846/13923730.2002.10531266.
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This article deals with the design problems of gravel road pavements. Mathematical models related to geological and hydrological conditions of a location, thickness of gravel pavement and characteristics of the gravel contained in this pavement are proposed to be used for pavements. For the selection of gravel pavements for reconstruction we recommend the models developed by the method of experimental planning to calculate the equivalent deformation modulus of the gravel pavements change depending on the deformation modulus of the subgrade, thickness of the gravel pavement and the materials used for its layers. Practical applications of these models will eliminate the mistakes that are still found in road pavement design.
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Guo, Zhong Yin, Shao Hui Li, and Yong Shun Yang. "Eight Kind of Typical Asphalt Pavement's Applicability Research for Northern Warm Zone Continental Climate Regions." Advanced Materials Research 723 (August 2013): 58–66. http://dx.doi.org/10.4028/www.scientific.net/amr.723.58.
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in order to find a suitable pavement and develop a reasonable pavement design method for southern warm continental climate regions, both experiment roads and finite element simulations are employed in this research. In experiment roads, strain detectors are buried at the bottom of asphalt layers to measure its strains and calculation models. Road design parameters such as road surface deflections and damage predictions such as plastic permanent deformations are calculated and compared between different pavements. Pavement deformation and design control parameter are made. Finally, a suggested reasonable pavement satisfying climate conditions and traffic flow needs is proposed.
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Jaroslav, Hauser, Ševelová Lenka, Matula Radek, and Zedník Petr. "Optimization of low volume road pavement design and construction." Journal of Forest Science 64, No. 2 (2018): 74–85. http://dx.doi.org/10.17221/109/2017-jfs.
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Low volume roads in the Czech Republic are roads with lower traffic volume that primarily include forest and field roads, and they are an integral part of the Czech transport network. When building road pavements, we can use processes for surveying, designing, building and inspecting road constructions included in national and international, particularly European, standards. In addition, the roads are evaluated in terms of their environmental impacts, in order to maintain the quality of the environment. However, during the construction of road pavements decisions based on financial, time and other reasons are made. The decisions have impacts on the operation of roads and lead to other measures and additional costs of repairs and reconstructions. The article summarizes the authors’ research results from constructions of low volume road pavements and contains evaluations of laboratory and in situ material tests (soils, layers) of installed road pavements as well as evaluations of modelled laboratory and long-term monitored in situ structures.
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Tabatabaei, Seyed Abbas, and Ali Rahman. "The Effect of Utilization of Geogrids on Reducing the Required Thickness of Unpaved Roads." Advanced Materials Research 712-715 (June 2013): 937–41. http://dx.doi.org/10.4028/www.scientific.net/amr.712-715.937.
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The inadequacy of many existing roads due to rapid growth in traffic volume provides a motivation for exploring alternatives to existing methods of constructing and rehabilitating roads. The use of geosynthetics to stabilize and reinforce paved and unpaved roadways offers one such alternative. Many studies were conducted to evaluate the improvements associated with geogrid reinforcement of pavements. It is widely believed that geogrid reinforcement of roadways can extend the pavements service life and/or reduce the pavements structural thickness. This paper examines a method to compare traditional pavement structure designs, absent of geosynthetics, to pavement structure designs incorporating geosynthetics. At first, a specific unpaved road structure design is presented with recommended corresponding traditional road structure components. The road structure is then re-examined incorporating newly developed, reengineered geogrid. Finally, related costs with this particular design are outlined, analyzed and compared. In this case, cost savings achieved by using geogrid are substantial.
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Ghanizadeh, Ali Reza. "An Optimization Model for Design of Asphalt Pavements Based on IHAP Code Number 234." Advances in Civil Engineering 2016 (2016): 1–8. http://dx.doi.org/10.1155/2016/5942342.
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Pavement construction is one of the most costly parts of transportation infrastructures. Incommensurate design and construction of pavements, in addition to the loss of the initial investment, would impose indirect costs to the road users and reduce road safety. This paper aims to propose an optimization model to determine the optimal configuration as well as the optimum thickness of different pavement layers based on the Iran Highway Asphalt Paving Code Number 234 (IHAP Code 234). After developing the optimization model, the optimum thickness of pavement layers for secondary rural roads, major rural roads, and freeways was determined based on the recommended prices in “Basic Price List for Road, Runway and Railway” of Iran in 2015 and several charts were developed to determine the optimum thickness of pavement layers including asphalt concrete, granular base, and granular subbase with respect to road classification, design traffic, and resilient modulus of subgrade. Design charts confirm that in the current situation (material prices in 2015), application of asphalt treated layer in pavement structure is not cost effective. Also it was shown that, with increasing the strength of subgrade soil, the subbase layer may be removed from the optimum structure of pavement.
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Amakye, Samuel Y. O., Samuel J. Abbey, and Colin A. Booth. "DMRB Flexible Road Pavement Design Using Re-Engineered Expansive Road Subgrade Materials with Varying Plasticity Index." Geotechnics 2, no. 2 (2022): 395–411. http://dx.doi.org/10.3390/geotechnics2020018.
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Pavement thickness is a very vital component during the design stage of a road construction project. Pavement design helps to determine the costs of the project over a certain period to ascertain how the cost of road pavement construction affect the life cycle cost of the road. Road pavements are designed based on the type of subgrade material and the expected traffic load to help clients and decision-makers make decisions on the project. In this study, expansive road subgrade materials were improved using lime and cement and their California Bearing Ratio (CBR) was used in road pavement design. The study used the Design and Manual for Roads and Bridges (DMRB) as a guide to investigating the effect of stabilised expansive road subgrade with varying CBR values on road pavement design. The mineral structure, characteristics, Atterberg limit, compaction CBR, swell and microstructural analysis (scanning electron microscopy (SEM) and Energy Dispersive X-ray (EDX)) of stabilised subgrade materials were investigated. The results show an increase in California Bearing Ratio (CBR) values and a reduction in swell values while curing age increased for stabilised subgrade materials. Treated samples show high Calcium Silicate Hydrate (C-S-H) gel formation after 7 and 28 days of curing. The thickness of road pavement was observed with an increase in CBR values. The study established that the thickness of road pavement and overall construction cost can be reduced using cement and lime as additives in subgrade stabilisation.
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Ridho, Muhammad, Yosef Cahyo Setianto Poernomo, Agata Iwan Candra, and Fajar Romadhon. "Meningkatkan Kualitas Pelayanan Jalan Raya Plandaan – Boro Tulungagung Menggunakan Perkerasan Kombinasi Geotextile." Jurnal Manajemen Teknologi & Teknik Sipil 4, no. 2 (2021): 144. http://dx.doi.org/10.30737/jurmateks.v4i2.2057.
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Roads as a means of transportation have an essential role in supporting human activities. One of the developments in road construction is the application of geotextiles in road combination pavements. Geotextile itself is often found in construction planning, especially in soil stabilization. The plandaan – boro Tulungagung road section is indicated by the type of silt as deep as 1.2 meters so that improvements are needed to support the quality of road construction. The purpose of this research is to plan road pavement with geotextiles on the Plandaan to boro roads. The geotextile used is a woven geogrid geotextile. The method used in planning is the Bina marga method of the 2017 Road Pavement Design Manual. The data used include technical data, traffic data, and California Bearing Ratio (CBR). The planning includes traffic design, pavement thickness calculations, and volume calculations. The planning results will be HMA – WC pavement covering an area of 4,200 m, with K225 concrete pavement covering an area of 8,400 m. Class Bﬞ Aggregate Pavement covering an area of 10,500 m using a geotextile layer requires 51,000 m² so that these results can be used as a reference in the repair or improvement of the Plandaan - boro Tulungagung road.
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Ghadimi, Behzad, Hamid Nikraz, Colin Leek, and Ainalem Nega. "A Comparison between Austroads Pavement Structural Design and AASHTO Design in Flexible Pavement." Advanced Materials Research 723 (August 2013): 3–11. http://dx.doi.org/10.4028/www.scientific.net/amr.723.3.
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This study deals with the Austroads (2008) Guide to Pavement Technology Part 2: Pavement Structural Design on which most road pavement designs in Australia are based. Flexible pavement designs and performance predictions for pavements containing one of more bound layers derived from the mechanistic Austroads pavement design methodology and the AASHTO-2004 approach are compared for Australian conditions, with consideration of subgrade and other material properties and local design preferences. The comparison has been made through two well-known programs namely CIRCLY (5.0) and KENLAYER. The study shows that each guide has its own advantages and disadvantages in predicting stress and strain in pavement layers under different conditions. The study recommends that modifications are necessary resulting in more realistic and longer lasting pavements in Australia.
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Tereshchenko, Tatiana, and Serhii Illiash. "EXPERIENCE ON DESIGN AND CONSTRUCTION OF ROAD PAVEMENTS USING THE CLAUSES OF EUROPEAN STANDARDS ON HYDRAULICALLY BOUND MATERIALS." Avtoshliakhovyk Ukrayiny, no. 3 (259) ’ 2019 (October 17, 2019): 42–50. http://dx.doi.org/10.33868/0365-8392-2019-3-259-42-50.
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Hydraulically bound mixtures (HBM) are most effectively applied in the base layers of flexible road pavements to enhance their load bearing capacity and also in the base layers of rigid road pavements in the case of weak soils of the sub-grade. The evaluation of Ukrainian standards which are identical to European standards relating HBM leads to the point of subsequent implementation of new requirements trough design and construction of motor roads in Ukraine. The by European standards stated requirements and classification of HBM provide a modelling regime closer to the performance of bound pavement layer and give the wider range of HBM designations with different strength properties. Thus, this article reviews such aspects of design and construction of road pavements with HBM layers which are distinguished from the conception approved now in Ukraine. The reviewed clauses on design and construction concern road pavements which, in accordance with the European practice, are classified as flexible pavements or semi-rigid pavements and are comprised of flexible (bitumen-bound) upper layers laid on a HBM base. The reviewed types of road pavement constructions are most eligible to emphasize the possibilities of implementation of new standard requirements in the Ukrainian road building industry. As it was concluded, the European standards state classification of HBM by compressive strength RC and classification by tensile strength in combination with elastic modulus Rt, E. These methods of classification are equivalent with no correlation intended between them and have been successfully used during design and construction of road pavement constructions comprised of bitumen-bound layers laid on a HBM base. When designing the motor roads with the above mentioned pavement construction to be loaded with high traffic, HBM of strength classes RС from С8/10 to С9/12 shall be contributed where classes of strength are determined by the type of a hydraulic binder and can be accorded to the categories by ”Rt, E” values not less than T3 (from T3 to T5). Keywords: hydraulically bound mixtures, classification by values of mechanical properties, compressive strength, base layers from hydraulically bound mixtures.
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VenkatCharyulu, S., and G. K. Viswanadh. "Flexible pavement design of district road." E3S Web of Conferences 309 (2021): 01210. http://dx.doi.org/10.1051/e3sconf/202130901210.
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In nowadays it is very important to have a proper road network for the purpose of good transportation. Few places road network is not available while the traffic is higher and enough. Pavement is generally being constructed and used for the purpose of smooth and comfort moment of the traffic. Flexible pavements will be subjected to load by wheel develop stress particles-to-particles transmit to the lower grades of layers through the granular structure. The pavement is subjected to the wheel loading action on it and the load is to be distributed to a larger area, such that the decrease in stress will occur with respect to the depth. The patch considered in this project is of KKY District Road. [KKY-Karimnagar Kamareddy Yellareddy]. The current condition of the KKY road is very much disturbed with the presence of uneven undulations as heavy loaded vehicles like moment of trucks took part. Hence, for the purpose of the fulfilment of all the above requirement factors and for the comfort moment of traffic. Adopted the effective design of flexible pavement. In this paper, we are enclosing the design report KKY road which includes all the which comes under the project of the pavement construction.