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Abnormal pore pressure mechanisms  251


                                                              1982;

                                                              (Tosaya,


                                                              plots

                                                              velocityedensity






                                                              and
                                                              stress,

                                                              densityeeffective






                                                              stress,

                                                              velocityeeffective







                                                              from

                                                              responses



                                                              unloading



                                                              Typical


                                                              7.13  2001).
                                                              Figure  Bowers,
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