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Annual Report Hindi - National Institute of Rock Mechanics

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Okkf"kZd izfrosnu 2008-09<br />

xqMeSu tSd i)fr ls jkd ekl dk bu&lhVw MhQkeZfcfyVh<br />

fctyh ?kj<br />

ekM~;qyl ds ewY;<br />

f’kyk ekl dh xq.koRr<br />

xgjkbZ (eh)<br />

E<br />

E d (GPa) E e (GPa)<br />

d (pisy 1994) ds vk/kkj ij<br />

219 18.02 33.4 vPNk<br />

175 11.96 21.24 vPNk<br />

81 4.34 6.18 Bhd<br />

VªkalQkeZj d{k<br />

ekM~;qyl ds ewY;<br />

f’kyk ekl dh xq.koRr<br />

xgjkbZ (eh)<br />

E d (pisy 1994) ds vk/kkj ij<br />

Ed (GPa) E e (GPa)<br />

137.75 17.12 32.06 vPNk<br />

130.75 15.78 24.02 vPNk<br />

106.75 11.29 18.46 vPNk<br />

95.75 6.74 9.95 vPNk<br />

72.75 4.77 6.31 Bhd<br />

• rqyukRed n`f"V ls 1-89 ls 2-40 ds jsat esa mPprj ds ewY; ls irk pyrk gS fd dk;ZLFky ij VksiksxzkQh ds<br />

izHkko ds vHkko esa dqN VsdVkfud izHkko ekStwn gS A <strong>of</strong>VZdy ncko dks vksoj cMZu ds dkj.k ekuk x;k gS A<br />

• ncko dk dfUQxjs’ku s H > s v > s h LVªkbd fLyi QkfYVax ls lacaf/kr A<br />

• nks cksj gksyksa ds varxZr vf/kdre gkfjtk.Vy fizafliy ncko dk vksfj,.Vs’ku ,d nwljs ls 10 o ds chp esa gS A<br />

vr% vf/kdre gkfjtk.Vy fizafliy ncko (s H ) ds vksfj,.Vs’ku dks N 130 o ls N140 o ekuk tk ldrk gS<br />

(fp= 3.2) fctyh ?kj vkSj VªkalQkeZj d{k ds fy, izLrkfor LFkyksa ds ncko ds jsthe mPprj vkRefo’okl dh<br />

lhek ds Hkhrj gh gSa A<br />

• MhQkeZfcfyVh ekiksa ls irk pyrk gS fd f’kykvksa dh vkSlru fLFkfr dks vPNk ekuk x;k gS (5 MPa –25<br />

MPa).<br />

jk"Vªh; f’kyk ;kaf=dh laLFkku 14

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