Environmental and economic comparison of semi-rigid and flexible …
— Sustainable design of pavements is necessary for achieving carbon neutrality, which is the important goal for green pavements.In order to investigate the impacts of major design parameters on the environmental and economic performances of asphalt pavement, process life cycle assessment (LCA) and process life cycle cost …
Impacts of flexible pavement design and management …
— The study aims to develop a methodological framework to estimate life cycle energy consumption and greenhouse gas (GHG) emissions related to pavement design …
Sustainable design of pavement systems in highly urbanized …
— 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.
ASPHALT PAVEMENT RECYCLING FOR HONG KONG
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.
Long-Life Flexible Pavement: Myth, Reality, and the Way …
Based on long-life flexible pavement design, construction, and maintenance practices in Hong Kong, this paper discusses four issues related to long-life flexible pavements: the …
Asphalt Pavement Recycling for Hong Kong
— Historically, Hong Kong has used materials in its pavement asphalt, and Reclaimed Asphalt Pavement (RAP) from maintenance work has been used for land reclamation.
ASPHALT PAVEMENT RECYCLING FOR HONG KONG
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 ...
Dan CHONG | Assistant Professor | PhD
Based on long-life flexible pavement design, construction, and maintenance practices in Hong Kong, this paper discusses four issues related to long-life flexible pavements: the cost and benefit, di...
Highways Department
Pavement Design for Carriageway Construction: RD/GN/043 Oct 2014: Subsoil Drainage for Road Pavements: RD/GN/044C Sep 2022: Guidance Notes on Design and Construction of Pavements with Paving Units: BS/GN/046B Mar 2023: Guidance Notes on Design of Road Tunnel Structures and Tunnel Buildings to be Maintained by Highways …
Flexible Pavement Composition and Structure
The composition and structure of flexible pavement consists of surface course, binder course, base course, subbase course, frost protection course, subgrade. Flexible pavements contain bitumen or asphalt layer as wearing course and supports loads through bearing. They have low flexural strength. Composition and Structure of Flexible Pavement
Long-Life Pavement Design and Construction: A Case Study
— This paper discusses the design and construction of an expressway long-life flexible pavement structure in China. The project involved is a new 26.78 kilometer, Da'an to Jiliao Section in Henan Province, of the Erlianhaote to Guangzhou Expressway. ... Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong.E-mail: [email protected]
Flexible Pavement: Types and Steps of Construction
— 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.
Chair Professor & Head, CityU by Maximising Material …
A practical low carbon road pavement design for Hong Kong based on the closed-loop and open-loop materials circularity strategies. A low carbon rigid pavement system using …
Guidance Notes on Design and Construction of …
and Construction of Pavements with Paving Units . 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
Environmental and economic assessment of collective …
— 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.
Utilization of Reclaimed Asphalt Pavement (RAP) and Use of …
— 4.1 Literature Review on Reclaimed Asphalt Pavement (RAP) in Flexible Pavement Constructions. Shah et al. . This paper focuses on testing at low- and high-temperature properties of reclaimed asphalt pavement. Tested a mix of 25% RAP with 3% air voids, and also at 40, 15, and 0% RAP blend. The sample was taken 100 tones after …
Sustainable design of pavement systems in highly urbanized …
WEB — 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 …
Impacts of flexible pavement design and management …
— PurposeThe 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, …
GMA material design and construction quality control for asphalt
— Considering the uniformity of the material production and the time limit for the construction of the steel deck of the Hong Kong–Zhuhai–Macao Bridge, in this study, a new type of paving layer material, Guss-mastic asphalt (GMA) is proposed. ... the steel deck pavement of the Hong Kong–Zhuhai–Macao Bridge needs to be paved with ...
Sustainable design of pavement systems in highly urbanized …
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 …
Modelling of the pavement acoustic longevity in Hong Kong …
DOI: 10.1016/j.trd.2020.102366 Corpus ID: 218946526; Modelling of the pavement acoustic longevity in Hong Kong through machine learning techniques @article{Cao2020ModellingOT, title={Modelling of the pavement acoustic longevity in Hong Kong through machine learning techniques}, author={Ruijun Cao and Zhen Leng and …
Heaving of Airfield Pavement in Hong Kong International …
— 2007 FAA Airport Technology Transfer Conference SESSION 2A – AIRPORT TECHNOLOGY CASE HISTORIES P07033 Leung, Ricky W.K. Li, David C.H.
Permeable Pavement System – Its Construction Details, Importance and
🕑 Reading time: 1 minute Permeable pavement system allows percolation of rainfall water. The importance, construction and cross-section of permeable pavements are discussed here. Permeable pavement is a type of pavement that allows rainfall to percolate to an underlying reservoir base where rainfall is either infiltrated to underlying soils or removed …
How to Design Flexible Pavements: Top 4 Methods |Transportation Engineering
Design of pavements has been based on experience and judgment in the past. But the design methodology has taken rapid strides towards rationality in the past few decades based on an understanding of the stresses and strains in the layers constituting the pavement and application of the concept of reliability in achieving the desired level of …
Dynamic Stress Study in Pavement Subgrade under a Major Highway in Hong
— Flexible pavements are relatively thick in Hong Kong. Their thicknesses are generally designed to be at least 300 mm, generally due to high traffic volume. The design is based on the fatigue failure concept of the main structural layer (i.e. roadbase) after a prolonged number of traffic passages and, in turn, it is highly related to the stress ...
Xi JIANG | Assistant Professor (Research) | Doctor of …
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 ...
YUHONG WANG
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 …
Hong Kong – Pavement Interactive
1993 AASHTO Flexible Pavement Structural Design; ... Pavement Interactive > Places > Hong Kong. Hong Kong. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Praesent congue ante vitae urna aliquam auctor. Nam lacus quam, malesuada a eleifend eu, egestas a nibh. Ut eu orci sed dolor bibendum luctus.
Impacts of climate change on environmental and economic …
DOI: 10.1016/j.rnrec.2024.107589 Corpus ID: 269227164; Impacts of climate change on environmental and economic sustainability of flexible pavements across China @article{Yang2024ImpactsOC, title={Impacts of climate change on environmental and economic sustainability of flexible pavements across China}, author={Qindong Yang and …
About ASL
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 in our industry via local and overseas memberships at company and personal levels, to numerous asphalt ...
Environmental and economic assessment of collective …
Read Environmental and economic assessment of collective recycling waste plastic and reclaimed asphalt pavement into pavement construction: A case study in Hong Kong
FLEXIBLE PAVEMENT DESIGN EXAMPLES
Flexible pavement types and procedures are found in Chapter 630 of the Highway Design Manual (HDM). The purpose of this guide is to provide some examples of new flexible pavement designs using the procedures for new construction described in HDM Topic 633. Rehabilitation design procedures and strategies for flexible pavement may be found in …
