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THE FRACTAL INCREM ENT OF DYNAM IC SUBSIDENCE OF THE
GROUND SURFACE PO INT INDUCED BY M INING |
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Abstract The regu larity of the dynam ic sub sidence f ractal increm en t of the ground su rface po in t is revealed
fo r the f irst t im e. The research resu lt s indicate that the dynam ic sub sidence cu rves of the ground su rface
po in t show stat ist ical f ractal character and fo llow the f ractal increm en t model of the shape of large“z”in laid
w ith sm all“z”. The f ractal in terpo lat ion in the dynam ic sub sidence cu rves of the ground su rface po in t is
realized. Based on lim ited sub sidence data ob served in site, the sub sidence value of the ground su rface po in t
at any t im e can be evaluated in certain p recision. Th is gives a new w ay to p redict the dynam ic sub sidence and
dynam ic defo rm at ion of the ground su rface po in t. A t the sam e t im e, th rough the regu larity of the dynam ic
sub sidence f ractal increm en t of the su rface po in t, the physical m echan ism of in terio r rock movem en t and
dam age is disclo sed, w h ich is of theo ret ical impo rtance to study m in ing sub sidence.
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Received: 21 February 2000
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DONG Xuechao1, 2, LU Zheng1, 2, ZHENG Qinggang3, JIANG Fan4, LI Jiahang1, 2, GUO Mingwei1, 2*. Numerical simulation method and application for the entire dynamic sinking process of a deep-water super-large caisson foundation[J]. , 2026, 45(6): 1899-1912. |
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