Rock Mechanics and Engineering Geology in Volcanic Fields: 5th International Workshop on Rock Mechanics and Engineering Geology in Volcanic Fields (RMEGV V, Fukuoka, Japan, 9–11 September 2021)

Cover
Half Title
Title Page
Copyright Page
Table of Contents
Preface
Committees
Geology, disaster and its mitigation in volcanic fields
	Volcanic events and magma interactions before, during and after the caldera-forming eruption of Aso, Kyushu island, Japan
	Landform development process of avolcanic fan at the eastern foot of Mt. Sakurajima
	Tephra from large eruption in Kyushu area observed in UT-iwk core from Uwa basin, western Shikoku
	Ash transport and deposition from 2019-2020 eruption of Aso volcano, Japan
	Resistivity of volcanic ash and its relation to chemical composition
	An experimental study on the dynamic stability of rock slopes with hexagonal discontinuity pattern
	Monitoring volcanic activity of Mount Agung, Indonesia by SBAS-DInSAR using Sentinel-1 data from 2014 to 2020
	Resurgent magma characteristics of a super-volcano, the Youngest Toba Tuff, northern Sumatra, inferred from zircon U-Pb geochronology
	Geological investigation of the excavation-induced landslide in ageothermal area in Sumatra, Indonesia
	Characteristic topography of large scale landslides occurred in the 2016 Kumamoto earthquakes in Kumamoto Prefecture, Japan
	Aso volcano: Estimating the probabilistic likelihood of afuture Aso4-scale eruption from stochastic uncertainty analysis of volcanological evidence using importance sampling
	Distribution recognition of lava flows at the southern foot of Nakadake and Takadake volcanoes in Aso caldera, SW Japan
	Local tephra as an age-determination tool: Example of 2.3 ka Yakedake volcano tephra in Nagano Prefecture, central Japan
	Study on the factors determining vegetation around the summit ofthe Kuju Volcano Group
	Volcanic ash impacts on railway signal facilities and utilizing of the volcanic ash fall forecast
	Spread-type landslides in volcanic terrains in Japan: Acase study on the Edamatsu spread in Fukushima Prefecture
	Reconsideration of caldera classification at the summit of Olympus Mons, Mars
	Variation of petrological features caused by style of eruption in the western volcanic chain of the Aonoyama Volcano Group, Southwestern Japan
	The relationship between the unidentified ash fall layer just under Kuju Dash layer and 54 ka eruption at Kuju volcano in Japan
	Deposit temperature and sedimentation process of Aso-4 pyroclastic flow deposit
	Issues of prolonged volcanic eruption disaster for revival
Resources and energy in volcanic fields
	The geothermal energy resource developments and their hazards of the Indonesia Volcanic Areas
	Analysis of hot water flow in geothermal reservoirs by TOUGH2 considering vapor production and water reinjection
	Volcanic caves at Azores Islands, Portugal. Conservation aspects
Mechanical behavior of volcanic rocks and soils
	Strength behaviour in monoaxial loading conditions in effusive rocks: The influence of porosity
	Seismic behavior of Neapolitan pyroclastic soils
	Numerical analysis of mechanical behavior of atunnel in swelling volcanic rocks
	Time-dependent characteristics of tuff from creep test under different loading regimes
	The inference of physico-mechanical properties of tuffs of Cappadocia Region and Phrygian Valley of Turkey from Needle Penetration Index (NPI)
	Exact solution of Richards’ equation using heat transfer boundary and application to dry-induced deformation behavior of Tage tuff
	Experimental study on the mechanical properties of past submarine landslide layers including volcaniclastic material
	Volcanic rocks characterization based on soft computing algorithms by using VRS empirical system
	Defining the Hoek-Brown constant mi for volcanic lithologies
	Bearing capacity of low-density volcanic rocks using the discontinuity layout optimization method
	Studying the mechanical behavior of hard soils-soft rocks using numerical modeling
	Effect of thermal shocks on physico-mechanical characteristics of volcanic rocks
	Effects of clinopyroxene distribution by strong weathering of andesite
	Seasonal change of afracture aperture in porous tuffaceous rock with 0.01mm-order real-time monitoring
Groundwater and environmental problems in volcanic fields
	Hydrological methods for understanding the shallow groundwater flow in volcanic regions with abundant groundwater resources
	Relationship between the chemical composition of groundwater and the geological structure around tunnel
	Selection of excavation method and recent progress at Yotei Tunnel on the Hokkaido Shinkansen line (from Shin-Hakodate-Hokuto to Sapporo)
	Groundwater chemistry controlled by geologic conditions atYotei Volcano, Hokkaido, Northern Japan
	Environmental geological study for existence mode and leaching mechanisms of hazardous elements in terrestrial sedimentsin volcanic arcs
	Estimation of groundwater quality forming mechanism in Kuju volcano based on principal component analysis and stable isotope rations
	Rapid evaluation of leaching potential of heavy metal elements from tunnel excavated rocks using handheld X-ray fluorescence spectrometer
Geoengineering and infrastructures in volcanic fields
	Pozzolanic soils: Anatural resource for soil improvement techniques
	An experimental study on the shallow underground openings in rock mass with hexagonal discontinuity pattern
	Development of anumerical simulation method for the fluid-mechanical coupled behavior of geothermal reservoir rocks within afault zone
	Influence of Miocene igneous complexes on landslides in the southern part of the Kii Peninsula, southwestern Japan
	Applicability of SBAS-DInSAR for monitoring displacements of alocal steep slope
	Monitoring three-dimensional displacements by GPS - case study of alarge steep slope
	Development of rock-identification technique for cuttings obtained by advancing boring for tunneling using hyperspectral camera
	Employing NCA as aband reduction tool in rock identification from hyperspectral processing
	Lithology identification during rotary percussion drilling based on acceleration waveform 1D convolutional neural network
	Development of hyperspectral database and web based classifying system for rock type identification
	Application of machine learning technique for X-ray CT image segmentation of cement grouted rock
	Long-term displacement monitoring by GPS - case study of alarge rockfill dam
	The evaluation of rockfalls at Ayvalı in Cappadocia Region due to differential weathering of tuff layers
	Evolution of permeability in asingle granite fracture under coupled conditions
Author Index