Publications of the Earthquake Investigation Committee in foreign languages  no. 14-19

[目次]

  • 標題
  • 目次
  • Introduction. / 1
  • Experimental Facts.
  • Twisting apparatus. / 5
  • Method of observation. / 6
  • Determination of the coefficient of the loss of torsional couple due to the imperfectness of the arrangement. / 8
  • Elastic Yielding. / 16
  • General facts. / 16
  • Rate of the elastic yielding. / 19
  • Approximate expression for the elastic yielding. / 21
  • Limit of the elastic yielding. / 22
  • Effect of temperature. / 23
  • Modulus of rigidity in virgin piece. / 25
  • Hooke's law not related to hysteresis. / 25
  • Hysteresis. / 28
  • Elastic recovery. / 30
  • Multiplicity of the modulus of rigidity. / 33
  • No definite torsion associated with a given couple. / 33
  • No definite torsional gradient by passing through a given state. / 33
  • Neutral state and non-twisted state freed from couple. / 33
  • Neutralization of a twisted piece. / 34
  • Theories.
  • Time-lag due to inertia. / 37
  • Elastic yielding. / 38
  • Hysteresis due to elastic yielding. / 40
  • Expression for residual twist. / 41
  • Elastic recovery. / 42
  • Total amount of the elastic yielding at any stage after N reversals. / 43
  • Twist may increase with decreasing twisting couple. / 44
  • When the centre of symmetry of the cyclic process is fixed,the rate of twisting is greater for greater amplitude of the cycle than for the smaller. / 45
  • When the amplitude is given,the rate of untwisting is smaller for the cycle whose centre is more remote from the neutral state than for the other. / 46
  • Conclusions. / 50
  • Appendix.
  • Relation between the velocity of propagation and the amplitude of seismic waves. / 52
  • Deduced from the result of experiments. / 53
  • Deduced from the theory of elastic yielding. / 53
  • Summary: Disturbance of smallest amplitude travels quickest
  • tremors and principal shocks propagate not necessarily through different paths. / 56
  • Tables of Time-lag,Elastic yielding and Hysteresis-function. / 58
  • List of Plates. / 67
  • List of Tables. / 72
  • Twenty-seven plates containing fifty-nine figures. / 72
  • CONTENTS.
  • 1.Introduction. / 1
  • 2.Arrangements and Flexure-apparatus. / 1
  • 3.Order of Observation. / 4
  • 4.Process of Calculation. / 5
  • 5.Preliminary Experiments. / 10
  • 6.Yielding and Recovery from Yielding. / 12
  • 7.Effect of Temperature. / 17
  • 8.Hysteresis Curve. / 19
  • 9.Variation of the Modulus of Elasticity during One complete Cycle. / 21
  • 10.Mean Value of the Modulus of Elasticity taken for One complete Cycle. / 24
  • 11.Diminution of the Modulus of Elasticity due to Increase of the Amplitude of Cycle. / 26
  • 12.Increase of the Modulus of Elasticity due to the Strained State of the Specimen. / 26
  • 13.The Velocities of Propagation of Seismic Waves. / 27
  • 14.Diminution of the Velocity due to Increase of Amplitude. / 29
  • 15.Increase of the Velocity due to the Strained State of the Stratum. / 29
  • 16.Diminution of the Velocity due to Temperature-Rise / 30
  • 17.Note on the Existence of Paths of Maximum Velocity and Seismic Shadow. / 31
  • 18.A Hint to the Frequency of After-shocks. / 32
  • 19.Curves of Iso-frequency of After-shocks. / 38
  • 20.Conclusions. / 40
  • 21.Explanation of Plates. / 44
  • CONTENTS.
  • A Duplex Horizontal Pendulum Apparatus. (With Plates I and II.) By F.OMORI. / 1
  • A Horizontal Tremor Recorder. (With Plates III and IV.) By F.OMORI. / 5
  • Note on the Relation between Earthquakes and Changes in Latitude. (With Plates V and VI.) By F.OMORI. / 13
  • Note on the Annual Variation of the Height of Sea-level at Ayukawa and Misaki. (With Plate VII.) By F.OMORI. / 23
  • Note on the Lunar-daily Distribution of Earthquakes. (With Plates VIII and IX.) By F.OMORI. / 27
  • Synodic-monthly Variation of Seismic Frequency in Japan. (With Plates X-XVII.) By A.IMAMURA. / 41
  • Daily Periodic Change of the Level in Artesian Wells. (With Plates XVIII-XXIII.) By K.HONDA. / 73
  • Note on the Seismic Triangulation in Tokyo. (With Plate XXIV.) By A.IMAMURA. / 91
  • On the Transit Velocity of the Earthquake Motion Originating at a near distance. (With Plates XXV and XXVI.) By A.IMAMURA. / 97
  • A Tide Rectifier,or an Instrument for eliminating the Tidal Components from Tide-gauge Diagrams. (With Plates XXVII and XXVIII.) By T.TERADA. / 117
  • Note on the Horizontal Pendulum Observations at Osaka. (With Plate XXIX.) By F.OMORI. / 121

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この本の情報

書名 Publications of the Earthquake Investigation Committee in foreign languages
著作者等 震災予防調査会
巻冊次 no. 14-19
出版元 The Earthquake Investigation Committee
刊行年月 1903-1904
ページ数 6 v. (bound up into 1 v.)
大きさ 26 cm
全国書誌番号
20931238
※クリックで国立国会図書館サーチを表示
言語 英語
出版国 日本

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