Search Results - "Asaue, Hisafumi"

Controls on radon emission from granite as evidenced by compression testing to failure by Koike, Katsuaki, Yoshinaga, Tohru, Suetsugu, Kenta, Kashiwaya, Koki, Asaue, Hisafumi

“…A set of uniaxial compression tests of granite specimens taken from five localities across Japan was conducted to identify the factors controlling the quantity…”
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Electrical conductive fluid-rich zones and their influence on the earthquake initiation, growth, and arrest processes: observations from the 2016 Kumamoto earthquake sequence, Kyushu Island, Japan by Aizawa, Koki, Takakura, Shinichi, Asaue, Hisafumi, Koike, Katsuaki, Yoshimura, Ryokei, Yamazaki, Ken’ichi, Komatsu, Shintaro, Utsugi, Mitsuru, Inoue, Hiroyuki, Tsukamoto, Kaori, Uyeshima, Makoto, Koyama, Takao, Kanda, Wataru, Yoshinaga, Tohru, Matsushima, Nobuo, Uchida, Kazunari, Tsukashima, Yuko, Matsushima, Takeshi, Ichihara, Hiroshi, Muramatsu, Dan, Teguri, Yoshiko, Shito, Azusa, Matsumoto, Satoshi, Shimizu, Hiroshi

“…Crustal earthquake ruptures tend to initiate near fluid-rich zones. However, it is relatively unknown whether fluid-rich zones can further promote or arrest…”
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Increased radon-222 in soil gas because of cumulative seismicity at active faults by Koike, Katsuaki, Yoshinaga, Tohru, Ueyama, Takayoshi, Asaue, Hisafumi

“…This study demonstrates how the radon-222 ( 222 Rn) concentration of soil gas at an active fault is sensitive to cumulative recent seismicity by examining…”
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Development and Application of a Variable-Frequency-Based Electric Sounding System for Increasing the Accuracy of Aquifer Detection by Asaue, Hisafumi, Koike, Katsuaki, Yoshinaga, Tohru, Goto, Tada-nori, Yoshida, Hiroaki

“…The demand for groundwater resources has increased owing to global developments of urbanization, industry, and agriculture. There is thus a need for advanced…”
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Co-kriging for modeling shallow groundwater level changes in consideration of land use/land cover pattern by Moukana, Jean Aurelien, Asaue, Hisafumi, Koike, Katsuaki

“…This study aimed at clarifying the relationship between the dynamics of land use/land cover (LULC) changes and decline in the groundwater levels, and…”
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Load carrying behavior of concrete reinforced with bundled BFRP bars by using DIC by Ribeiro, Bruno, Asaue, Hisafumi, Hattori, Atsushi, Shiotani, Tomoki, Kobayashi, Takumi, Sato, Junya, Uchida, Masakazu, Ishida, Masahiro

“…Recently, basalt fiber-reinforced polymer (BFRP) has gained attention in the construction industry because of its worldwide availability and eco-friendly…”
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Evolution of Fatigue Damage in Wheel-Loading Tests Evaluated by 3D Elastic-Wave Tomography by Asaue, Tomoki Shiotani Hisafumi, Nishida, Takahiro, Maeshima, Takuya, Tanaka, Yasushi

“…Currently, for proper maintenance of infrastructures, preventive and proactive measures for prognosis of infrastructures are preferable in comparison with…”
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Hydrogeologic-structure and groundwater-movement imaging in tideland using electrical sounding resistivity: a case study on the Ariake Sea coast, southwest Japan by Misonou, Toshiharu, Asaue, Hisafumi, Yoshinaga, Tohru, Matsukuma, Yuta, Koike, Katsuaki, Shimada, Jun

“…Groundwater flow exerts a crucial control on the boundary between the sea and freshwater and is thus a key factor for preserving groundwater resources and…”
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Magnetotelluric resistivity modeling for 3D characterization of geothermal reservoirs in the Western side of Mt. Aso, SW Japan by Asaue, Hisafumi, Koike, Katsuaki, Yoshinaga, Toru, Takakura, Shinichi

“…Geothermal reservoirs are usually located at a depth range of 2 to 5 km, so to efficiently utilize such resources an advanced prospecting method is needed to…”
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Identification of hydration stages: An innovative study of ultrasonic coda waves using integrated sensing element (ISE) by Liu, Yuqing, Ding, Weijian, Dong, Peng, Okude, Nobuhiro, Asaue, Hisafumi, Shiotani, Tomoki

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Characterizing long-term radon concentration changes in a geothermal area for correlation with volcanic earthquakes and reservoir temperatures: A case study from Mt. Aso, southwestern Japan by Koike, Katsuaki, Yoshinaga, Tohru, Asaue, Hisafumi

“…The purpose of this study is to characterize in detail the temporal changes in Rn (radon-222) concentration in soil gases near fumaroles and clarify its…”
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Two-Step AE Source location for Detecting Tendon Rupture inside PC Box-Girder in-Service by Okude, Nobuhiro, Asaue, Hisafumi, Fukuda, Taiki, Kawada, Naoki, Shiotani, Tomoki

“…In order to identify tendon rupture inside a prestressed concrete (PC) girder, new acoustic emission (AE) location system is necessary to be practically…”
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Feasibility study on real-scale, self-healing concrete slab by developing a smart capsules network and assessed by a plethora of advanced monitoring techniques by Tsangouri, Eleni, Lelon, Jordy, Minnebo, Pieter, Asaue, Hisafumi, Shiotani, Tomoki, Van Tittelboom, Kim, De Belie, Nele, Aggelis, Dimitrios G., Van Hemelrijck, Danny

“…•Vascular network of macro-tubes that carries healing agent into concrete is designed.•Healing feasibility tested on real-size concrete slab loaded in cycles…”
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Efficient damage inspection of deteriorated RC bridge deck with rain-induced elastic wave by Takamine, Hidefumi, Watabe, Kazuo, Miyata, Hirokazu, Asaue, Hisafumi, Nishida, Takahiro, Shiotani, Tomoki

“…•The interior cracks are detected efficiently by measurement over a short period of time.•Rain-induced signals, which are usually considered to be noise, are…”
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Radon concentrations in soil gas, considering radioactive equilibrium conditions with application to estimating fault-zone geometry by Koike, Katsuaki, Yoshinaga, Tohru, Asaue, Hisafumi

“…A calculation method for determining the amount of Rn isotopes and daughter products at the start of measurement (CRAS) is proposed as a more accurate means of…”
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Seismicity controlled by resistivity structure: the 2016 Kumamoto earthquakes, Kyushu Island, Japan by Aizawa, Koki, Asaue, Hisafumi, Koike, Katsuaki, Takakura, Shinichi, Utsugi, Mitsuru, Inoue, Hiroyuki, Yoshimura, Ryokei, Yamazaki, Ken’ichi, Komatsu, Shintaro, Uyeshima, Makoto, Koyama, Takao, Kanda, Wataru, Shiotani, Taro, Matsushima, Nobuo, Hata, Maki, Yoshinaga, Tohru, Uchida, Kazunari, Tsukashima, Yuko, Shito, Azusa, Fujita, Shiori, Wakabayashi, Asuma, Tsukamoto, Kaori, Matsushima, Takeshi, Miyazaki, Masahiro, Kondo, Kentaro, Takashima, Kanade, Hashimoto, Takeshi, Tamura, Makoto, Matsumoto, Satoshi, Yamashita, Yusuke, Nakamoto, Manami, Shimizu, Hiroshi

“…The M JMA 7.3 Kumamoto earthquake that occurred at 1:25 JST on April 16, 2016, not only triggered aftershocks in the vicinity of the epicenter, but also…”
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Application of Magnetotelluric (MT) Resistivity to Imaging of Regional Three-Dimensional Geologic Structures and Groundwater Systems by Asaue, Hisafumi, Kubo, Taiki, Yoshinaga, Toru, Koike, Katsuaki

“…Widespread definition of a groundwater system in three dimensions is necessary for the management and maintenance of groundwater resources. A magnetotelluric…”
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Characterizing the regional pattern and temporal change of groundwater levels by analyses of a well log data set by PARVIN, Mahmuda, TADAKUMA, Naoyuki, ASAUE, Hisafumi, KOIKE, Katsuaki

“…Preservation of the amount and quality of groundwater resources is an important issue around the world. Changes in groundwater levels need to be monitored in…”
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Correlating Ground-Penetrating Radar Data with Geotechnical Data by Parnadi, Wahyudi W., Warsa, Warsa, Laesanpura, Agus, Parnadi, Rizandi G., Asaue, Hisafumi

“…We investigated a significant correlation between Ground-Penetrating Radar (GPR) combined with down-hole seismic technique and geotechnical data (boring log…”
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