Механика очага землятресения. Спецкурс. Воронина Е.В. - 84 стр.

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82
5
0
1,610
S
EM
−
=
0,5MPa
α
τ≅
5
0,3 10 MPa≈⋅
95%≈ .
-
–
E
M
W
M
a priori
0
2
log 2,9,
3
2
log 6.0,
3
=−
=−
(18.10)
5
0
2,2 10
S
E
M
−
=⋅
5
2,2 10 MPa
−
α
τ= ⋅
5
0,3 0,6 10 MPaµ= − ⋅ ,
ES
MM
=
0,66 1,32 MPa≤τ≤
82

      ES = 1,610 −5 M 0   hldm^Z kj_^g__ kgbfZ_fh_ gZijy`_gb_
τα ≅ 0,5MPa    ijb kj_^g_c iehlghklb \ h[eZklb bklhqgbdZ ≈ 0,3 ⋅ 105 MPa k
lhqghklvx ≈ 95% .
      Kj_^g__ agZq_gb_ ihemqZ_fh_ ba khhlghr_gby ]ml_g[_j]Z-Jbol_jZ
jZ\gh  FjZ Z jZa[jhk agZq_gbc \ bgl_j\Ze_ – FjZ Wfibjbq_
kdb_ nhjfmeu b]ghjbjmxl wlhl jZa[jhk b g_ fh]ml [ulv bkihevah\Zgu ^ey
hij_^_e_gby wg_j]bb
      <_ebqbgu kgbfZ_fuo gZijy`_gbc k mq_lhf jZa[jhkZ agZq_gbc oZ
jZdl_jbamxl nbabq_kdb jZaebqgu_ iZjZf_lju \kiZju\Zgby \ hqZ]_ a_fe_
ljyk_gby \ qZklghklb khhlghr_gb_ f_`^m wg_j]b_c b kgbfZ_fufb gZ
ijy`_gbyfb hij_^_ey_l lbi nmgdpbb \kiZju\Zgby f_oZgbaf hqZ]Z  gZ
ijy`_gby \ eblhkn_j_ b l_dlhgbdm j_]bhgZ
      AZf_qZgb_
      Ohly wg_j]_lbq_kdZy fZ]gblm^Z lZd`_ dZd fhf_glgZy fh]ml [ulv
bkihevah\Zgu ^ey hp_gdb jZaf_jh\ bklhqgbdZ ih k\h_fm nbabq_kdhfm
kfukem hgb g_ wd\b\Ze_glgu M E ihemqZ_lky ba ki_dljZ kdhjhklb kf_s_
gby fhsghklb b hibku\Z_l k_ckfbq_kdbc ihl_gpbZe kj_^u M W hij_^_
ey_lky ih gbadhqZklhlghc Zkbfilhl_ ki_dljZ kf_s_gbc b hibku\Z_l klZ
lbq_kdh_ kf_s_gb_ \ hqZ]_ Ihkdhevdm dZ`^Zy ba gbo hibku\Z_l jZaebq
gu_ khklhygby a priori hgb g_ ^he`gu [ulv jZ\gufb Mkeh\b_ bo jZ\_gkl
\Z ke_^m_l ba hij_^_eyxsbo khhlghr_gbc
                                   2
                              0 ( = log (6 − 2,9,
                                   3                                  (18.10)
                                   2
                              0 : = log 0 0 − 6.0,
                                   3
hlkx^Z ES   = 2, 2 ⋅10 −5   b kgbfZ_fu_ gZijy`_gby ^he`gu [ulv ihjy^dZ
        M0
τα = 2, 2 ⋅ 10 −5 MPa  >ey a_fe_ljyk_gbc \[ebab a_fghc ih\_joghklb
                              µ = 0,3 − 0,6 ⋅105 MPa ,
lh]^Z M E = M S lhevdh ^ey a_fe_ljyk_gbc k dZ`msbfb kgbfZ_fufb gZ
ijy`_gbyfb \ ^bZiZahg_ 0,66 ≤ τ ≤ 1,32 MPa  Wlh hq_gv madbc ^bZiZahg
kgbfZ_fuo gZijy`_gbc \ h[s_f jZa[jhk_ hl  ^h  FjZ < kj_^g_f
\gmljbieblh\u_ a_fe_ljyk_gby oZjZdl_jbamxlky [he__ \ukhdbfb kgbfZ_
fufb gZijy`_gbyfb  FjZ  q_f f_`ieblh\u_  FjZ 
      Wg_j]_lbq_kdb_ fZ]gblm^u ij_^ihqlbl_evg__ ^ey hibkZgby jZaf_
jh\ hqZ]h\hc h[eZklb q_f fhf_glgu_

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