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Establishment of the Grohovo Landslide monitoring system (CROSBI ID 592397)

Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija

Arbanas, Željko ; Jagodnik, Vedran ; Ljutić, Kristijan ; Dugonjić Jovančević, Sanja ; Vivoda, Martina Establishment of the Grohovo Landslide monitoring system // 2nd Project Workshop: Monitoring and Analyses for disaster mitigation of landslides, debris flow and floods. Book of Proceedings / Ožanić, Nevenka ; Arbanas, Željko ; Mihalić, Snježana et al. (ur.). Rijeka: Sveučilište u Rijeci, 2012. str. 29-32

Podaci o odgovornosti

Arbanas, Željko ; Jagodnik, Vedran ; Ljutić, Kristijan ; Dugonjić Jovančević, Sanja ; Vivoda, Martina

engleski

Establishment of the Grohovo Landslide monitoring system

The Grohovo Landslide, the largest active landslide along the Croatian part of the Adriatic coast, is located on the north-eastern slope of the Rječina Valley. It was noted that during 19th and 20th century a lot of instabilities on the Rječina Valley slopes were occurred. The last complex retrogressive landslide was reactivated in December 1996, after long time dormant period and about 1.0x106 m3 were moved down the slope and buried the Rječina river-bed and after initial movements, the landslide was retrogressively developed up the slope. Slip surfaces are considered to be on the contact of superficial deposits and flysch bedrock. In 2009 the Croatian-Japanese research joint project “Risk identification and Land-Use Planning for Disaster Mitigation of Landslides and Floods in Croatia” was initiated and the Grohovo Landslide was chosen as a pilot area for monitoring system development. A comprehensive monitoring system was designed consisted of geodetical and geotechnical monitoring. Installation of monitoring equipment started in March 2011 and will be complete to the end of 2011. Integrated monitoring system will be consisted of surveying system using GPS and robotic total station, so as geotechnical monitoring using pore pressure gauges, inclinometers, extensometers and seismographs. The establishment of monitoring system was carried out in stages according delivery purchasing and delivery of monitoring equipment. Installation of inclinometer casing and pore pressure gauges was started in March 2011 and foundations and poles for long span extensometers were finished in May 2011. The main part of monitoring equipment was installed in July 2011, when complete geodetical monitoring equipment was delivered and installed. After monitoring system starting up, some problems in equipment operating were observed and equipment re-adjustment was carried out until the end of November 2011. Installation of long span extensometers was completed in same time. In next stages of monitoring equipment installation, the short span extensometers, vertical extensometers, pore pressure gauges data loggers and pluviometer will be installed. In the automated integrated monitoring system until December 2011 are included observation of geodetic prisms with robotic total station and system of 10 GPS rovers (including master unit). Rest of equipment will be included after equipment connection in unique system. In this paper we will described the planned monitoring system so as details from monitoring equipment installation in detail.

landslide; monitoring system; establishment equipment; installation

Sažetak rada ubjavljen u Book of Abstracts / Nevenka Ožanić, Željko Arbanas, Snježana Mihalić, Hideaki Marui (ur.) ; 2011. ; str. 9-9 ; ISBN: 978-953-6953-26-4

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Podaci o prilogu

29-32.

2012.

nije evidentirano

objavljeno

978-953-6953-30-1

Podaci o matičnoj publikaciji

2nd Project Workshop: Monitoring and Analyses for disaster mitigation of landslides, debris flow and floods. Book of Proceedings

Ožanić, Nevenka ; Arbanas, Željko ; Mihalić, Snježana ; Marui, Hideaki ; Dragičević, Nevena

Rijeka: Sveučilište u Rijeci

Podaci o skupu

Nepoznat skup

predavanje

29.02.1904-29.02.2096

Povezanost rada

Građevinarstvo

Poveznice