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In Hong Kong, the area of flexible pavement is about 18,200,000 m 2, while that of rigid pavement is around 5,800,000 m 2 (HyD, 2020a). Despite the design life of both flexible …
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Low carbon rigid and flexible pavement systems Function(s): To reduce the carbon footprint of rigid and flexible pavement systems To maximise the usage of waste concrete, glass and tyre To promote the use the low carbon pavement systems in new road construction projects in Hong Kong Performance:
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This paper introduces the design and construction of the flexible pavements at Hong Kong's new airport by dealing with the following respects: (1) pavement design philosophy and construction; (2) pavement layer constitutives; (3) Marshall asphalt mix design; (3) curshed aggregate base layer placement and compaction; (4) asphalt surfacing ...
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2 Department of Civil and Environmental Engineering, The Hong Kong Polytechnic University, Hong Kong SAR, China Int J Life Cycle Assess (2017) 22:952–971 DOI 10.1007/s11367-016-1202-x Impacts of flexible pavement design and management decisions on life cycle energy consumption and carbon footprint
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Improvements of flexible pavement design in Hong Kong: Degree: M.Sc. Year: 1994: Subject: Pavements -- Design and construction Pavements -- Design and construction -- Data …
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the pavement) becomes increasingly important, particularly in permitting the escape of the water film between the tyre and a wet pavement. Surface texture is thus an important requirement for expressways and high speed roads in enhancing the road safety. The texture depth is an important factor influencing skidding in wet conditions on high speed
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The use of waste plastic and reclaimed asphalt pavement (RAP) in roadway construction has been considered as sustainable paving practice due to its potential environmental and economic benefits.
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In Hong Kong, I assisted in the development of flexible pavement design guide based on the mechanistic principles. In these studies, we found that the perpetual road is the most environmentally friendly solution, because material, energy, and green-house gas emission can be greatly reduced.
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jected to debris impacts, flexible barriers deflect and ... favoured since the design and construction require-ments are more routine in nature even though the works can cause environmental concerns and are ... in Hong Kong. The design was based on advanced
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Pavement Construction the new Hong Kong Airport Check Lap Kok. Client. Hong Kong Authority. Duration. March 1996 – September 1997. The Provision of all Airside Flexible Pavement works for the New International Airport. Involved the production on site from two Mobile Coating Plants (Total Capacity of 400 Tonnes Per Hour) of all required ...
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ASPHALT PAVEMENT RECYCLING FOR HONG KONG Abstract The Special Administrative Region of Hong Kong has an area of 400 sq miles and a population of 6.5 million. The road network extends to around 1900km.
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Since the issue of Road Note 5, friction course material, which is also known as porous asphalt, has been used in Hong Kong as the standard surfacing material on expressways and high …
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Another objective is to apply the framework to the design and management of flexible highway pavement in Hong Kong. Traditionally, pavement design and management decisions are solely based on ...
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Historically, Hong Kong has used materials in its pavement asphalt, and Reclaimed Asphalt Pavement (RAP) from maintenance work has been used for land reclamation.
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Purpose The study aims to develop a methodological framework to estimate life cycle energy consumption and greenhouse gas (GHG) emissions related to pavement design and management decisions. Another objective is to apply the framework to the design and management of flexible highway pavement in Hong Kong. Traditionally, pavement design and …
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Our clients include: the Hong Kong Airport Authority, Hong Kong Highways Department, other governmental departments such as Civil Engineering, Water and Drainage Services etc., as well as many local and overseas contractors. More about us
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1) A practical low carbon road pavement design for Hong Kong based on the closed-loop and open-loop materials circularity strategies 2) A low carbon rigid pavement system using waste …
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Such flexible pavement is usually preferred in areas where local construction materials are unavailable, and there is low traffic. 2.Conventional Layered Flexible Pavement: The type of flexible pavement consists of multiple layers, with the upper layers of superior quality and the lower layers of relatively inferior quality materials.
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This is an introduction to flexible pavement design for engineers. It is not intended as a definitive treatise, and it does not encompass the design of rigid pavements. Engineers are cautioned that much of pavement design is governed by codes, specifications and practices of public agencies. Engineers must always determine the requirements of the
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Xi Jiang currently works in the Department of Civil and Environmental Engineering, at the Hong Kong Polytechnic University. Xi does research on Sustainable Underground Space, Smart Pavement ...
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View CSE357_Rigid_Pavement.ppt from CSE MISC at The Hong Kong Polytechnic University. Topic 5: Rigid Pavements CSE29357 Highway Engineering Dr. Yuhong Wang Professor Fall 2020 1 Contents Hong Kong ...
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Technically, HIPR was shown to be a viable, cost-effective and environmentally friendly procedure for pavement rehabilitation and new construction. Full Scale Trials are planned for a site in Hong Kong in late 2002, followed by the development of a suitable specification for more general use. ... Conference; 2944: Flexible pavement; 8131: Hong ...
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In Hong Kong, I assisted in the development of flexible pavement design guide based on the mechanistic principles. In these studies, we found that the perpetual road is the most …
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materials encountered in Hong Kong 18 . 7. Intercepting flow in an inclined aquifer 20 . 8. Trench width of sub-soil drain to intercept seepage 20 . 9. Details of manholes and rodding eyes for sub-soil drain 22 . TABLES . 1. Permeability ranges of common pavement materials 19 . 2. Design criteria for granular filters 21
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In the analytical design of flexible pavements, elasticmodulus of bituminous materials is adopted as one of the input parameters.The design charts provided in this guidance were developed based on the typicalbituminous road base material, with their properties determined under the 'RoadTesting Programme' consultancy study completed in early ...
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Transportation sector contributes a large percent of greenhouse gas (GHG) emissions. According to Hong Kong Environmental Protection Department (HK EPD, 2020a), the total GHG emissions in Hong Kong is 40.4 million metric tons of carbon dioxide equivalent (CO 2 e) in the year of 2017, of which the transportation sector is the second largest source of …
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According to the codes and practices of Hong Kong, two pavement systems including flexible and rigid pavements were designed based on the same road section. After that interviews with structured questionnaire were conducted to collect relevant practical information of pavement construction and maintenance from the relevant professional bodies ...
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Hong Kong International Airport was built partly on an existing island and partly on ... a flexible pavement design was adopted. ... This study was followed by the construction of three trial ...
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The overall goal is addressed through interconnected objectives, including the identification of critical sustainability concerns throughout the pavement's life cycle, the assessment of the …
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and Construction of Pavements with Paving Units - 1 - 1 INTRODUCTION In the early 1980s, over 90% of footways in Hong Kong were constructed using in-situ concrete. In-situ concrete can offer simple, flexible and cheap construction for footways with basically satisfactory results attained. However, excessive noise
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Despite the development of various decarbonation solutions in the construction sector, low carbon pavement design and construction is a much overlooked topic. Pavement systems that can maximise the reutilisation of locally available resources and sustainable materials can help decarbonise the road pavement of Hong Kong.
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Hong Kong (HK) is currently developing a new flexible pavement design standard with the goal of building long-life pavement in the future. Long-life pavement is expected to last for at least 40 years without major structural damage.
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Asphalt Surfaces is your complete Hong Kong "Pavement Partner" offering a whole range of products and services to meet your pavement construction needs. Asphalt Surfaces maintains its current status and actively reviews future trends …
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This paper introduces the design and construction of the flexible pavements at Hong Kong's new airport by dealing with the following respects: (1) pavement design philosophy and …
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The methods discussed above are used to evaluate the effects of pavement design on energy consumption and GHG emissions of flexible highway pavement in Hong …
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a. Full-Depth Asphalt Pavement: The type of flexible pavement that consists of a directly placed bituminous layer over the sub-grade layer is known as full-depth asphalt pavement. Such flexible pavement is usually preferred in …
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