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XXVIIth World Road Congress
Proceedings of the Congress

Topic 45. Resilience and innovation of Earth Structures to natural hazards

  • IP0102 - An Experimental based approach to estimate the overall modulus/CBR of geogrid/geocomposite-reinforced subgrades and use of the Austroads design chart
    Chaminda GALLAGE , Kasun WIMALASENA , Shiran JAYAKODY , Jothi RAMANUJAM , Amir SHAHKOLAHI , Jinjiang ZHONG , Raymond CHOW

    It is essential to improve/stabilise soft subgrades in road construction to facilitate construction machinery, reduce the required gravel layer thicknesses (base/subbase), and enhance pavements' performance. Traditional stabilisation methods for weak subgrades include gravel replacement, rock blanketing, and chemical stabilisation (mixing additives like cement/lime with subgrade soil). Since these [...]

  • IP0506 - Celosía: Platform for Monitoring Bridges and Slopes of the Road Network of the State of Spain. Application to Slopes
    Álvaro PARRILLA ALCAIDE , Pila CRESPO RODRÍGUEZ , Carlos PARADELA SÁNCHEZ , Héctor FERNÁNDEZ HERRÁIZ

    The General Directorate of Roads of the Ministry of Transport, Mobility and Urban Agenda has the Celosía platform for real-time monitoring and analysis of the monitored structures (bridges and embankments) of the State Road Network. This platform is a commitment to the digitization of infrastructures that will lead to an improvement in the management of its conservation and, ultimately, in the safety [...]

  • IP0621 - Design and mechanical performance analysis of biological passage of large section of mountain highway
    Xu XIZHAN , Guan TIEZHENG , Huang LIANG

    Due to the Beijing-Hong Kong & Macao Expressway (G4) crossing the Dongzhai National Nature Reserve in Henan Province, the movement of animals and reptiles in the reserve is restricted, especially the line from the lower mountain to the water source is blocked. In response to this problem, combined with the real demand of widening the G4 Expressway, the design and research of the large-span biological [...]

  • IP0146 - Efficient Safety Assessment of Highway Slope Reinforced by Ground Anchors based on Residual Tensile Load Evaluated by Vibration Method
    Mitsuru YAMAZAKI , Takahiro KITAMURA , Hideki SAITO , Naoto OGAWA , Takamasa NIIBE , Atsushi YASHIMA

    Ground Anchoring is one of the popular methods for maintaining the stability of highway slope. The anchoring method was first applied to highways in 1969 in Japan. The present number of anchors constructed on highways in Japan is over 120,000. Periodic inspections of anchors are important to ensure the slope stability. Highway companies have carried out the mandatory inspections including the confirmation [...]

  • IP0560 - Impacts and Adaptation Measures of State Roads in Spain to Climate Change
    Felipe COLLAZOS ARIAS , Álvaro PARRILLA ALCAIDE , Laura PARRA RUIZ , Mónica Laura ALONSO PLÁ

    The resilience of transport infrastructures aims to ensure that road networks can resist possible impacts produced by external agents (including climatic ones) without suffering major damage; and if they do occur, being able to recover as quickly as possible. Impacts caused by climatic agents are frequent on the road network. The region of Cantabria, located in the north of Spain, has a great deal [...]

  • IP0596 - Management Strategies for Road Earthwork Sections in Japan and Potential for Technology Transfer
    Hiroaki MIYATAKE

    IRoadway earthwork sections, which consist of roadway earthwork structures and natural slopes, contain a great deal of uncertainty in their behavior and performance. On the other hand, since road earthwork sections account for a large portion of the road length, the management of road earthwork sections is an important issue in the management of road networks. Japan's road network is continuously [...]

  • IP0002 - Online Sensor Platform for Earth Slope Resilience in Thailand
    Auckpath SAWANGSURIYA , Harutus PHOBAN , Attasit SAWATPARNICH , Apiniti JOTISANKASA

    Prolonged precipitation, rapid stream flows and natural hazards cause severe impacts on resilient infrastructure for instance, landslides, earth structure failures, flood travel lanes, wash out roadways, destabilize stream conditions etc. Changes in precipitation, moisture, wet-dry cycles and groundwater levels threaten all parts of the earth structure system, e.g. soil and rock slopes, causing roadway [...]

  • IP0261 - Stabilization of Galandroud landslide in Iran
    Alireza CHALEKAEE , Masoumeh AMIRIBESHELI

    Landslide, one of the natural phenomena has been more frequent in recent years. In most cases, the vast damages caused by landslides to natural resources, roads, buildings are irreparable. Every year, more than hundreds of large and small landslides in various forms occur all over Iran. Northern states, especially Mazandaran, due to the special conditions of geology, climate, underground water, the [...]