Annual Report Hindi - National Institute of Rock Mechanics

Okkf"kZd izfrosnu 2008-09
50
45
Peak particle velocity, mm/s
40
35
30
25
20
15
10
5
0
0 10 20 30 40 50 60 70
Distance from the blast, m
fp= la[;k 7.1 ch,evkjlh,y ds ,d oSdfYid LFkku ij fn;k x;k ihd ikfVZdy xfr vkSj nwjh dk lq>ko A
7.3. dukZVd jkT; ds ukjk;.kiqj esa dschts,u,y] ,uvkjchlh ifj;kstuk ds varxZr jhbuQksLMZ daØhV vDohMDV ij
,pth,e,y }kjk mV~Vh esa fd, tkusokys [kqyh [knkuksa ds foLQksVuksa ds izHkko ds vkdyu ds fy, HkwizdEiu v/;;u
A ifj;kstuk la[;k vkjch 0801 vl ifj;kstuk dk;Z dks iwjk fd;k tk pqdk gS A
(vkj- ckypUnj] ,p- ,l- osadVs’k vkSj ,- vkbZ- Fksjljkt )
dukZVd jkT; ds ukjk;.kiqj jkbV cSad dusky ds 9, fMfLVªC;wVjh ds ,d Hkkx ds :i esa jhbUQksLMZ daØhV ¼vkj-lh½
vDohMDV dk izLrko fd;k x;k A ;g vDohMDV gV~Vh xksYM ekbUl fyfeVsM ¼,pth,e,y½ dh mV~Vh [kqyh [knku
dh lhek ds cxy esa ,d futh Hkwfe ls gksdj xqtjrh gS A bl dEIuh }kjk Hkfo"; esa HkwxHkZ [kuu dk;Zdyki fd,
tkus dk izLrko fd;k x;k gS ftlds varxZr Mhi gksy foLQksVu i)fr dk bLrseky fd;k tk,xk A [knku ds
foLQksVuksa ls vDohMDV dks {kfr igq¡p ldus dh vk’kadk dks ns[krs gq, ,pth,e,y ds izkf/kdkfj;ksa us dschts,u,y
ls vuqjks/k fd;k fd og ,uvkbZvkj,e ds ek/;e ls bl LFkku ij HkwizdEiu ls lacaf/kr v/;;u dk;Z djok,¡ A
,uvkbZvkj,e }kjk bl ifj;kstuk ds dk;ZLFky ij nks nkSjs fd, x, vkSj N% foLQksVuksa dk vuqJo.k fd;k x;k
rkfd buls mRiUu gksus okys HkwizdEiu vkSj ,vj vksojizstj dk vkdyu fd;k tk lds A bl dk;Z ds fy, izLrkfor
vDohMDV ds lehi nks fofHkUu LFkkuksa ij nks lsfleksxzkQ LFkkfir fd, x, A buesa ls ,d lsfleksxzkQ dks ges’kk
izLrkfor vDohMDV ds lehi gh j[kk x;k A
bl v/;;u ls izkIr HkwizdEiu vkSj ,vj vksojizstj ds vk¡dMksa dk fo’ys"k.k fd;k x;k vkSj budk fjxzs’ku fd;k x;k
rkfd dk;ZLFky ds fy, fof’k"V izsfMDVkj bZDos’kuksa dk irk yxk;k tk lds A [nku vkSj vDohMDV ds chp dh nwjh
yxHkx 900 eh gS vkSj izLrkfor vDohMDV ds vkl vfHkysf[kr vf/kdre ihd ikfVZdy xfr 1-32 feeh izfr lsd.M
jgh A bu foLQksVuksa ls vfHkysf[kr QzhDosUlhl 20 ,p tsM ds vf/kd jgs gSa A
izLrkfor vk-lh vDohMDV dh lqj{kk dks /;ku esa j[krs gq, 5-0 feeh izfr lsd>M dk ,d lqjf{kr HkwizdEiu dh lhek
vkSj vf/kdre pktZ izfr fMys 600 fd- xzk dk lq>ko fn;k x;k gS ftldk vuqikyu bl [kqyh [knku }kjk fQygky
fd;k tk jgk gS A v/;;u ds i’pkr ;g lq>ko Hkh fn;k x;k gS fd vf/kdre pktZ izfr fMys dks vkSj Hkh de fd;k
tkuk pkfg, D;ksafd foLQksVu ds dk;Zdyki vDohMDV dh vksj vkxs c< jgh gS A
7.4. vkU/kz izns’k jkT; ds iwohZ xksnkojh ftys esa bZys’oje {ks= esa bZys: ck¡/k ij 500 eh dh nwjh ij fd, tk jgs
Dok;jh dk;Zdykiksa ls mRiUu gksusokys HkwizdEiu vkSj ,vj vksojizstj dk v/;;u A ifj;kstuk la[;k vkjch 0802
bl ifj;kstuk dk;Z dks iwjk fd;k tk pqdk gS A
(,p- ,l- osadVs’k] ,- vkbZ- Fksjljkt vkSj vkj- ckypUnj )
jk"Vªh; f’kyk ;kaf=dh laLFkku 44