Search Results 1-20 of 91

  • 1 / 5
  • Some Laboratory Scale Tests on An Australian Coal Tailings Sample

    Liao Sihe , Mishra Partha Narayan , Scheuermann Alexander

    … These usually are encountered with high moisture content. … Also, the vane shear test has been conducted to figure out the relationship between gravimetric moisture content and shear strength. … Furthermore, hydraulic and volume change response of the sample subjected to changing moisture content have been studied through soil-water retention curve (SWRC) and soil shrinkage characteristic curve (SSCC).</p> …

    Japanese Geotechnical Society Special Publication 7(2), 445-449, 2019

    J-STAGE 

  • Incorporating suction in to the interpretation of plate load tests on unsaturated soils

    Tang Yi , Vo Thanh , Taiebat Hossein A. , Russell Adrian R.

    … Assuming χs remains constant during a plate load test, compared to assumptions of constant suction or constant moisture content, simplifies interpretation without significant loss of accuracy. … It is also shown that the effect of suction on the bearing capacity is dependent on the initial location of the hydraulic state on the soil-water characteristic curve. …

    Japanese Geotechnical Society Special Publication 7(2), 352-359, 2019

    J-STAGE 

  • EFFECT OF CRUSHED SHELL FINE PARTICLES ON PROTECTION METHOD OF SALT DAMAGE OF CAPILLARY BARRIER OF SOIL  [in Japanese]

    KOBAYASHI Kaoru , MATSUURA Keiya , MATSUMOTO Kazunobu , MORII Toshihiro

    … However, when crushed shells are used as a substitute for gravel, since the soil water characteristic curve varies greatly depending on the particle size of the crushed shell, there is the possibility that the salinity (moisture) blocking function of the CB may be significantly impaired. …

    Journal of Japan Society of Civil Engineers, Ser. B3 (Ocean Engineering) 74(2), I_276-I_281, 2018

    J-STAGE 

  • STUDY ON PRACTICAL METHOD FOR ESTIMATING SOIL MOISTURE PARAMETERS BY PARTICLE FILTER METHOD  [in Japanese]

    FUJIMOTO Ayano , ODA Kazuhiro , ITO Shinichi , KOSHIMURA Kensei

    … The accurate simulations of rainwater infiltration process into slopes require elucidating the soil moisture characteristics of soils. … The authors have tried to estimate soil moisture parameters based on the field measurements of volumetric water contents by using the Particle Filter method, which is one of the sequential data assimilation methods. …

    Journal of Japan Society of Civil Engineers, Ser. A2 (Applied Mechanics (AM)) 73(2), I_105-I_113, 2017

    J-STAGE 

  • Effect of characteristics of unsaturated soils on the stability of slopes subject to rainfall

    Fan Chia-Cheng , Zeng Ren-Yu

    … In practice, distribution of the soil suction and moisture content at the shallow depth of a slope is considerably affected by the near-ground environment and climate change, e.g. vegetation, precipitation, evapotranspiration, and exposure to sun light, etc, and shallow slope failures are mainly governed by the unsaturated soil behavior at the shallow depth. … The relationship between the soil suction and soil moisture content is important in characterizing the mechanical behavior of unsaturated soils. …

    Japanese Geotechnical Society Special Publication 2(29), 1060-1064, 2016

    J-STAGE 

  • Behavior of gas and heat transport in a simulated temporary disaster waste pile  [in Japanese]

    EHLER Pavel , SHIMAOKA Takayuki , KOMIYA Teppei

    … Due to high moisture content and anaerobic condition inside the pile, wood particles deteriorate quality and along with organic matter even initiate a spontaneous fire. … Based on disaster waste characteristics, waste material was analyzed under various moisture condition and density. …

    Journal of Japan Society of Civil Engineers, Ser. G (Environmental Research) 70(7), III_477-III_481, 2014

    J-STAGE 

  • DETECTION OF MOISTURE BEHAVIOR IN BUILDING MATERIALS IN ISOTHERMAL STATE BY NEUTRON RADIOGRAPHY AND NUMERICAL ANALYSIS  [in Japanese]

    KANEMATSU Manabu , ASHIE Yasunobu , TAKEDA Hitoshi , NAKANO Masahiro

    … The moisture characteristic curve, which is hydraulic diffusivity as a function of volumetric moisture content, was calculated with pore size distribution of the both materials, and an unsteady water diffusion analysis was conducted. …

    Journal of Structural and Construction Engineering (Transactions of AIJ) 79(696), 201-208, 2014

    J-STAGE 

  • FUNDAMENTAL RESEARCH ON ISOTHERM CAPILLARY ABSORPTION OF CONCRETE BY NEUTRON RADIOGRAPHY  [in Japanese]

    兼松 学 , 土屋 直子 , 野口 貴文

    日本建築学会構造系論文集 78(690), 1339-1347, 2013-08

  • THE PROPOSALS RELEVANT TO SEEPAGE FLOW SIMULATION IN ROCKMASS AROUND TUNNEL UNDER UNSATURATED CONDITION —METHOD FOR ESTIMATING UNSATURATED SEEPAGE PARAMETERS OF STONES AND SETTING OF BOUNDARY CONDITION ON TUNNEL WALL—  [in Japanese]

    IMAI Hisashi , AMEMIYA Kiyoshi , MATSUI Hiroya , SATO Toshinori , SAEGUSA Hiromitsu , WATANABE Kunio

    … The unsaturated parameters (such as moisture characteristic curve and relative permeability) and appropriate control of boundary condition are indispensable for the simulation. …

    Journal of Japan Society of Civil Engineers, Ser. C (Geosphere Engineering) 69(3), 285-296, 2013

    J-STAGE 

  • FUNDAMENTAL RESEARCH ON ISOTHERM CAPILLARY ABSORPTION OF CONCRETE BY NEUTRON RADIOGRAPHY  [in Japanese]

    KANEMATSU Manabu , TSUCHIYA Naoko , NOGUCHI Takafumi

    This study focuses on the absorption process of concrete to determine the influence of aggregates on the local water behavior in concrete, by using neutron radiography. At first, water quantification …

    Journal of Structural and Construction Engineering (Transactions of AIJ) 78(690), 1339-1347, 2013

    J-STAGE 

  • Analysis of molecular dynamics of moist wood components by applying the stretched-exponential function

    … On the basis of the molecular dynamics of wood components, the effects of adsorption water molecules on the change of relaxation behavior were examined for wood specimens with various moisture contents using the low of mixture and stretched-exponential function (so-called the Kohlrausch–Williams–Watts (KWW) function). … The KWW function has two parameters: the characteristic relaxation time and a parameter related to the dispersion of the relaxation time. …

    Journal of Materials Science 46(14), 4748-4755, 2011-02

    IR 

  • HYDROLOGICAL INVESTIGATION ON THE INTEGRATION OF SPRINKLING MANAGEMENT OF LAWN-PLANTING  [in Japanese]

    KINOSHITA Kosuke , OKA Yasumiti

    … 2) Optimum sprinkling level can be estimated based on the maximum effective soil moisture and the sprinkling control condition. … 3) Maintenance of high heat conductivity of the surface soil by controlling soil moisture proved to be effective for the improvement of heat environment. …

    Journal of Japan Society of Civil Engineers, Ser. B1 (Hydraulic Engineering) 67(4), I_379-I_384, 2011

    J-STAGE 

  • Calibration and applicability of EC-5 sensor  [in Japanese]

    井本 博美 , 西村 拓 , 宮崎 毅

    誘電率型水分センサーによる土壌水分測定が近年、多く行われるようになってきている。しかし、その測定においては、センサーが水分を感知する測定範囲や出力電圧と実際の体積含水率の関係を示す校正曲線式に問題がある。比較的安価で小型な点で便利なEC-5センサーを用い、センサーの影響範囲と水分特性曲線を用いたキャリブレーションを行った。影響範囲はおしなべてセンサー周囲2cm程度であるが、センサー根元の基盤部も埋 …

    Journal of the Japanese Society of Soil Physics (114), 27-31, 2010-03

    JASI  Cited by (1)

  • Hydrological process controls on nitrogen export during storm events in an agricultural watershed

    JIANG Rui , WOLI Krishna P. , KURAMOCHI Kanta , HAYAKAWA Atsushi , SHIMIZU Mariko , HATANO Ryusuke

    … Particulate N and SS consistently displayed clockwise hysteresis with higher concentrations during rising flows, whereas NO_3^--N and DON showed different patterns among the storms depending on the antecedent soil moisture. … An M(V) curve, defined as the nutrient mass distribution versus the volume of discharge, showed that a "first flush" of PN, NO_3^--N, DON and SS was observed; …

    Soil science and plant nutrition 56(1), 72-85, 2010-02-01

    References (50)

  • Soil moisture regime of a dried forest soil in a broad-leaved forest in southern part of Izu Peninsula : Decrease in soil wettability by a temporal intense aridity and its effects on soil moisture regime  [in Japanese]

    Kajiura Masako , Etori Yoshie , Tange Takeshi

    … In order to clarify a feature of soil moisture regime in a dried forest soil in a humid-temperate region, we periodically observed matric potential and volumetric water contents of soil at a depth of a boundary of surface and subsurface soils in dried to mesic soils in a broad-leaved forest in southern part of Izu Peninsula. …

    Japanese Journal of Forest Environment 52(1), 19-28, 2010

    J-STAGE  References (33)

  • A NEW METHOD FOR EVALUATING WATER BEHAVIOR IN UNSATURATED SOIL BASED ON GROUND TEMPERATURE MEASUREMENT RESULTS  [in Japanese]

    SATOMI Tomoaki , SAKO Kazunari , YASUKAWA Ikuo , FUKAGAWA Ryoichi

    … Results obtained from this paper show that using this approach, a new relationship that described the status of “Heat-Soil moisture characteristic curve” …

    Doboku Gakkai Ronbunshuu C 65(2), 334-348, 2009

    J-STAGE 

  • Fundamentals in Drying of Food Materials  [in Japanese]

    ARAKI Tetsuya , SAGARA Yasuyuki

    冷凍 83(970), 590-598, 2008-08-15

    References (30)

  • Moisture Characteristic Curves of Tuff Breccia Stone  [in Japanese]

    マグディ カリル , 石﨑 武志

    保存科学 = Science for conservation (47), 11-20, 2008-03-31

    IR  DOI 

  • Study of spatial discretization scheme in unsaturated soil/water coupled analysis  [in Japanese]

    KANAZAWA Shinichi , TACHIBANA Shinya , KAWAI Katsuyuki , OHNO Shintaro , IIZUKA Atsushi

    … Moreover, these structures are exposed to drying and wetting conditions and changes in soil moisture always occur. … Their model can express typical behavior of unsaturated soil, such as shrinkage on drying process, collapse on wetting process, and the effects of hysteresis on soil-water retention characteristic curve, and have the flexibility for dependencies on soil properties. …

    Journal of applied mechanics (11), 331-338, 2008

    J-STAGE 

  • Moisture characteristic curves of tuff breccia stone

    Khalil Magdi , 石崎 武志

    保存科学 (47), 11-19, 2007

  • 1 / 5
Page Top