Page 140 - Analysis and Design of Energy Geostructures

the based 200 12.79 I r ,[ ] 205 290 365 time rock joint for
is that 0 radius,
r 0 T 50 soil the 100 8.629 overconsolidation dissipating smooth rock the opening to equal grain
consolidation, determine OCR 4/3 50 5.931 General 0 0.2 the time. for valid the is d rj account joint is (it the is r g

of to Tables and 2.622 is t 100 the is is and into take rock geometry expression,
degree sensitivity 10 coefficient, t and planes acceleration to equivalent

50% consolidation. soil 200 9.292 probe parallel equation surface the
of the Slight over- consolidation 0.2 0.5 two joint In
factor of S t 100 6.447 correction CPTU in gravitational (1965) hydraulic the theory.
time degree (with 1 4.504 OCR,[ ] 1 1 1.5 a by theory the Campo the is of concept
the below 50 flow is term function
is 50% comprehensive measured g and a fractal
T 50 of given 10 2.095 Normal consolidation 0.5 1.0 fluid expression, latter as
where time are A f 200 6.838 the is ~ c c pressure The planes. the Serafim the the where opening the in

C h 5 T 50 r 2 =t 50 , 0 dissipating the coefficient 2/3 100 4.761 High sensitivity 1.0 1.5 expression, pore excess parallel In practice. in introduced d e , by the decreases relation parameter.

by is t 50 pressure 50 3.346 the In of value two in in is d rj replacing which joints). Kozeny Carman
given test), water 10 1.593 S t ,[ ] 3 4 2 3 5 6 testing. the is theory conditions parameter by factor rock interconnectivity
coefficient CPTU a for pore 200 5.025 CPTU Δp w ðtÞ flow fluid rare are corrective done is is f o where smooth generalised the is

consolidation cm (r 0 5 1:785 Skempton and I r ratio): 1/3 100 3.524 2.487 on based consolidation, from developed which flow, a which This joint. rock d e 5 f o d rj , totally for 1 to from coming Γ in and dimension

horizontal probe of index rigidity overconsolidation 50 10 1.145 Skempton pore water pressure coefficient the expression another of degree formula laminar with in expression the of as calculated and flow expression fractal

Comments the is C h radius on A f ,[ ] I r ,[ ] [ ] T 50 I p , [%] 30 22 17 saturated clayey soil A f ,[ ] is This 100% of a is This joints opening. an is This roughness be can fluid no an is This a is D f

D f 21 1 2n 3Γ 2 ð12nÞ

t
Expression γ w r 2 n~ c c 0 Ð t 100 Δp w ðÞdt 0 g d 2 k 5 rj 12η f g d e 2 k 5 12η f nr 2 g k 5 8Γ 2 in
k 5

(Continued) Material General soil General rock Sandstone

3.12 al. and and al.
Table Reference et Tang (2011) Serafim Campo (1965) Serafim Campo (1965) et Pape (2000)