Collected Item: “Regional rockfall exposure assessment, experience from Serbia”
Врста публикације
Рад у зборнику
Верзија документа
објављена
Језик
енглески
Аутор/и (Милан Марковић, Никола Николић)
Miloš Marjanović, Biljana Abolmasov, Uroš Đurić, Jelka Krušić, Snežana Bogdanović
Наслов рада (Наслов - поднаслов)
Regional rockfall exposure assessment, experience from Serbia
Назив конференције (зборника), место и датум одржавања
5TH REGIONAL SYMPOSIUM ON LANDSLIDES IN ADRIATIC–BALKAN REGION, 23-26 March 2022
Уредник/ци зборника
Josip Peranić, Martina Vivoda Prodan, Sanja Bernat Gazibara, Martin Krkač, Snježana Mihalić Arbanas, Željko Arbanas
Издавач (Београд : Просвета)
Faculty of Civil Engineering, University of Rijeka and Faculty of Mining, Geology and Petroleum Engineering, University of Zagreb
Година издавања
2022
Сажетак рада на енглеском језику
Rockfalls are common in hilly and mountainous
areas, especially along roads with engineered slopes and
cuts. Such is the case for most of the state and local road
routes in Central, Serbia, which was the subject in this case
study. A road network of 276 km covering roughly 1700
km2 ǡ,« and Ivanjica is
presented. Assessing of such wide areas needs to be
conducted from large to site-specific scale, i.e., using GIS
spatial tools and 2D-3D stability models, respectively. The
regional scale of assessment using GIS tools was in focus.
The primary input was the Digital Terrain Model, obtained
from open data ALOS mission at 12.5 m resolution, as well
as appropriate sheets of geological maps at 100k scale. The
first step was to delineate areas that can host unstable
blocks by inspecting planar sliding kinematic condition
against available data. These included raster data (slope
angle and azimuth) but also, point-based data
(discontinuities’ strike, dip and friction angle) which had
to be estimated or interpolated across the area by various
GIS operations. In total, there were nearly 5000 potential
detachments delineated. Further step was to run the
rockfall simulation by using these detachment zones as
initiation sources in a simple kinetic model CONEFALL,
standalone software. The output model simulated several
thousands of rockfalls, with various runout distance (<650
m), velocity (<46.5 m/s) and energy (<540 kJ). When
overlapped with the road network, this model revealed the
road exposure to rockfall. Locations with runouts that
reached the road lines make about 6.7 % of the total
network length. Zones of estimated energies higher than
serviceable threshold (300 kJ) occupy 0.9 % of the total and
require additional remediation design. Presented analysis
is a promising tool for supporting planning and decision
making in the road management sector.
areas, especially along roads with engineered slopes and
cuts. Such is the case for most of the state and local road
routes in Central, Serbia, which was the subject in this case
study. A road network of 276 km covering roughly 1700
km2 ǡ,« and Ivanjica is
presented. Assessing of such wide areas needs to be
conducted from large to site-specific scale, i.e., using GIS
spatial tools and 2D-3D stability models, respectively. The
regional scale of assessment using GIS tools was in focus.
The primary input was the Digital Terrain Model, obtained
from open data ALOS mission at 12.5 m resolution, as well
as appropriate sheets of geological maps at 100k scale. The
first step was to delineate areas that can host unstable
blocks by inspecting planar sliding kinematic condition
against available data. These included raster data (slope
angle and azimuth) but also, point-based data
(discontinuities’ strike, dip and friction angle) which had
to be estimated or interpolated across the area by various
GIS operations. In total, there were nearly 5000 potential
detachments delineated. Further step was to run the
rockfall simulation by using these detachment zones as
initiation sources in a simple kinetic model CONEFALL,
standalone software. The output model simulated several
thousands of rockfalls, with various runout distance (<650
m), velocity (<46.5 m/s) and energy (<540 kJ). When
overlapped with the road network, this model revealed the
road exposure to rockfall. Locations with runouts that
reached the road lines make about 6.7 % of the total
network length. Zones of estimated energies higher than
serviceable threshold (300 kJ) occupy 0.9 % of the total and
require additional remediation design. Presented analysis
is a promising tool for supporting planning and decision
making in the road management sector.
Почетна страна рада
145
Завршна страна рада
150
Укупан број страна (само уколико стране нису нумерисане)
6
ISBN број изворне публикације
978-953-6953-55-4
Географско подручје на које се односи публикација
Srbija
Кључне речи на српском (одвојене знаком ", ")
"CONEFALL", "izloženost", "GIS", "odronjavanje", "Srbija"
Кључне речи на енглеском (одвојене знаком ", ")
"CONEFALL", "exposure", "GIS", "rockfall", "Serbia"
Линк
https://5resylab.uniri.hr/
Шира категорија рада према правилнику МПНТ
М30
Ужа категорија рада према правилнику МПНТ
М33
Ниво приступа
Отворени приступ
Лиценца
Creative Commons – Attribution 4.0 International
Формат датотеке
.pdf