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Webinar Series: Solutions to Mitigate Road Slope Disasters

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The Philippines by virtue of its geographic circumstance, is highly prone to natural disasters, such as earthquakes, volcanic eruptions, tropical cyclones, and floods, making it one of the most disaster-prone countries in the world. Catastrophe risk modeling for the Philippines showed that the country is expected to incur, on a long-term average basis, PhP 206 B per year in damage to public and private assets from earthquake ground shaking, wind and precipitation by tropical cyclones and monsoon.  In response, the government has embarked on a comprehensive disaster risk management plan that includes establishing and maintaining a safe and resilient road infrastructure as one of the cornerstone programs of DPWH. 

Maccaferri Philippines four 4 part webinar series is aimed to present engineering solutions and case histories to prevent and mitigate possible threats from common types of road slope disasters. The webinar format is tailored for consultants, designers, engineers, and planners involved in the planning, designing, and executing road infrastructure programs and will discuss the key design and construction considerations in each engineering system presented. 

Session 1: Countermeasures Against Rock and Soil Slope Collapse & Debris Flows 

On relatively steep slopes, the soil or rock mass becomes unstable and suddenly and quickly collapses onto the foot of the road slope. The soil collapse occurs mostly in loose materials, while rockfall occurs where there are structural discontinuities such as faults, joints, bedding planes, etc.  Both usually occur due to infiltration of run-off water due to heavy rains or loosening by earthquakes.  

Engineering intervention or slope protection measures include slope benching, gabion retaining walls, active and passive protection systems, erosion control measures and others shall be presented in the webinar. In addition, the phenomenon and mitigation of debris flow shall also be discussed. 

Date: Friday, August 27, 2021 

Time: 10:00 AM Philippine Time 

Speakers:  

Adrian Madrazo, Technical Business Development Manager (Double Twist) 

Byron Soliman, Technical Business Development Manager (Rockfall) 

Neil Esber, Asst. Technical Business Development Manager (Mining) 

REGISTRATION IS NOW CLOSED


Session 2: Countermeasures Against Landslides & Road Slips 

Road slips involve the collapse of the road shoulder, settlement of the road surfaces and erosion of the road embankment triggered mostly by rainwater flow. The webinar will focus on the design and construction of the MSE wall, which is considered the most viable, cost-effective, and widely accepted engineering intervention for road slips.  

MSE retaining wall is a composite structure consisting of alternating layers of compacted backfill and soil reinforcement. The result is a coherent gravity structure that is flexible and can carry a variety of heavy loads. MSE walls have been proven to withstand large deformations without loss of structural integrity and have high seismic resistance. In addition, key issues in the design and construction of MSE wall shall be highlighted in the webinar. 

Date: Wednesday, October 27, 2021

Time: 10:00 AM Philippine Time 

Speakers:  

Adrian Madrazo, Technical Business Development Manager (Double Twist) 

Jhon Michael Fabillo, Technical Business Development Engineer (Power and Energy) 

REGISTER HERE


Session 3: Countermeasures Against River Erosion 

The most commonly known and generally accepted cause of river erosion on banks and transportation infrastructures is the shear stresses caused by fast-moving water during peak flows. Consequently, river works are carried out for various purposes such as erosion protection, diversion or control of the flow of the river, containment of flow in the channel section, protection of road infrastructures. 

In the webinar, we shall present several river training structures that address the common erosion problems.  These structures are longitudinal works (river linings and walls), transverse works (weirs and groynes), bridge abutment protection and culverts. In addition, key design criteria to satisfy geotechnical and hydraulic stability shall be highlighted: structural stability of the banks and active shear stress applied by the water versus serviceability limit of the solution. 

Date: Friday, November 26, 2021 (Tentative date) 

Time: 10:00 AM Philippine Time 

Speakers:  

Adrian Madrazo, Technical Business Development Manager (Double Twist) 

Joely Charm Apostol, Technical Business Development Engineer  

Registration link will be posted once available. 


Session 4: Countermeasures Against Coastal Erosion 

The development of road networks in the coastal areas has increased interest in erosion problems. These projects have led to significant efforts to manage coastal erosion problems and restore coastal capacity to accommodate extreme events and sea-level rise. However, the erosion problems become worse whenever the countermeasures applied are inappropriate, improperly designed, built or maintained and if the effects on adjacent shores are not carefully evaluated.    

In this webinar, we shall present new solutions in addressing erosion in coastal roads and marine structures that consider wave parameters, geotechnical and geological considerations, availability of in-situ materials, and aggressiveness of the coastal environment. In addition, typical designs of engineering structures geared at stopping or reducing the rate of coastal erosion shall be presented e.g., seawalls, groynes, breakwaters/artificial headlands and offshore breakwaters. 

Date: Friday, January 28, 2021 (Tentative date) 

Time: 10:00 AM Philippine Time 

Speakers:  

Andrew Zapanta Jr., Head of Technical Business Development  

Gabrielle Amparo, Technical Business Development Engineer  

Registration link will be posted once available.  


Stay tuned for more updates!  

Contact us for more information: info.ph@maccaferri.com 

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