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Thong tin khoa hoc cong nghe mo i NGHIEN Clhl TiNH TOAN, THIET KE KET CAU CHONG GIENG DUfNG MO THAN HAM LO NUI BEO For implementing the development planning of Vietnam coal sector in the period of 201[.]
Thong tin khoa hoc cong nghe m o i NGHIEN Clhl TiNH TOAN, THIET KE KET CAU CHONG GIENG DUfNG MO THAN HAM LO NUI BEO For implementing the development planning of Vietnam coal sector in the period of 2010- 2020 with a vision to 2030, in 2009, Institute of Mining Science and Technology (IMSAT) has been coordinated with Nui Beo Coal Joint Stock Company In making the investment project forthe mining construction at Nui Beo coal mine This mine has been opened by two vertical shafts In this paper, the authors introduce the results from the research, caculation and design worits of the vertical shaft support structures at Nui Beo underground coal mine implemented recently by IMSAT Gidng dung Id cdng trinh xdy dgng ngam duoc ddo thang dCpng tCp m#t d4t tdi mdt sau nhit djnh Idng dk Gi^ng dCpng duoc SLP dgng d^ v^n ehuydn khodng san, ngudi thiet bj, vdt tu, thdng gid khai thac than vd khodng sdn Phg thudc vdo vj tri tuong ung vdi khai trudng md gidng dung ed t h i Id cdc Id gilng trung tdm, cde Id gilng cdnh vd cdc Id gilng cgm Cdn phg thgQC vdo cdng dgng chinh, cdc Id gilng dung duoc ggi Id: gilng chinh (vdn tdi than), gilng phg (van tai ngudi vd vdt lieu), gilng thdng gid (elp gid sach hoac thodt gid thai), Theo quy djnli Quy pham ky thu^t an toan cilia nhilu nudc tren t h i gidi cung nhu a Vidt Nam, mdi md khai thde hSm Id phai cd it nhat hai ldi thdng Idn mdt ddt NghTa Id mdi md khai thac sdu bing gilng dung phai cd tdi thilu hai gieng (gilng dung chinh, gidng dung phg) Khi khai thdc cdc tdp via hodc cdc than quang ed t h i ndm dde dCpng thi viec khai thdng khodng sdng thudng duoc SLP dgng bang Id gieng Trong trudng hop dd, edng tdc chuin bj de dua vdo khai thdc ddi vdi ede ting phia dudi duoc thge hidn qua Id gidng thi> Bdi ten eua Id gieng duoc xdc djnh bdng kilu loai cua thilt bj tnjc tai su dgng gilng Gilng dung chinh dua khodng san ed ich Idn b l m§t dat bang thung Skip ggi Id gilng Skip; gilng dO'ng phu dijng d l tnje v$t lidu, thilt bj, ngudi len xudng bang thCmg cDi duoc ggi Id gilng thung cui Gilng dugc thilt k l ridng d l thdng gid dugc ggi Id gieng gid Trong ngdnh khai thde than vd khoang san, thdng thudng gilng dCrng cd eiu tao gdm 03 phdn: C4 gilng, thdn gilng vd cdc ngd ba, rdn KHCNM sd tO/201S'CNKT HAM LO ThS DANG H N G T H A N G ThS PHAM VAN Q U A N ThS L £ K H A N H H A Viin Khoa hoc Cdng nghi Md - Vinacomin Biin tip: TS Truong Birc Du gi^ng Co gieng Id khu vue trdn cOng cua 16 gi^ng dCmg, ed loi thdng tn,pc ti^p len m|t d^t vi duoc tinh tip be mdt d i t d^n ranh gidi cdc lo|i dd 6n djnh Co gieng thudng cd chilu sdu tip 10 ' 30 met Trong trudng hop ede logi dd gdc xuk Id true tiep tren be m|it d i t thi khu vue mieng gilng duoc i l y cd ehidu sdu khdng nhd hon 10 met duoc tinh tCp b l m j t d i t eho din cdt cao duoc phdn bd nam thip hon n i n cOa rdnh gi6 hojc nin eua rdnh e l p nhidt Thdn gilng vd cSc ngd ba Id bd ph$n chinh cua gilng dung, dirtrc gidi han tu ed gieng d i n rdn gidng Trong ph^m vi than gieng, thudc vdo cdng dgng vd SLP phdn bd cua khodng sdn d l bd tri vj tri cdc nga ba hop ly: Ngd ba Id ndi sdn ga cdc mO/c, ngd ba Id thdng gid, nga ba Id dit dng diy, ngd ba 16 thoat hiem Rdn gilng Id phin thip nhit cua 16 gieng nam thap hon mue tang cua sdn ga 16 gilng Ron gilng duoc su dgng d l b l tri duoi cap tn,ic can bang (khi su dgng tdi ma sat) Khi bd tri hd thdng thilt bj c h i t - tdi than dipdi muc ting san ga thi ron gilng se Id noi tap tmng than roi vai va nude nglm thodt tLP gilng dung Chieu sdu cua cdc Id gilng phg thUQC bdi chilu sau khai thdc khodng san cd ich vd so ng rit Idn, Vi dg tai Len bang Nga, cdc b l than vgng ngoai d IWatxcova vd b l than Trelabinxki, chilu sdu cdc Id gilng 300 * 400 mdt, edn tai b l than D6n Ky niem 43 nam lap Vien Khoa hoc Cong nghe Mo - Vinacomin Bat thi chilu sau cac 16 gilng dgt d i n 1.000 met vg I6n han Tgi b l than Provgn ciJa Phdp, chilu sdu gieng dung d i n 1.109 m6t Tgi mo khai thac bac (My) chieu sau gilng dung d i n 2.348 m6t; Tgi md khai thac vang (BaajibpHcJje) - COng hda Nam Phi, chieu sau 16 gilng den 2.300 met Vipc Ig-a chpn hinh dang tilt dipn ngang cOa 16 gilng dO-ng duac xdc djnh bai edng dgng va thd'i hgn phgc vg cug 16 gilng, tinh chat ea ly cua cac lo-p dd bao quanh duo-ng 16 Hinh dgng tilt di^n ngang p h i bien 16 gieng di>ng eua eac mo than ham 16 c6 dgng hinh trdn; ngoai gilng dung c6 t h i c6 tiet dipn hinh chu- nhgt; hinh cong; hinh elip vd hinh ehu nh$t c6 cdc cgnh be uln cong lii Vi§c su dgng hp'p ly- tilt di$n ngang cua 16 gilng d l bo tri cdc thung trgc tai, khung c6t gieng, ngan c i u thang, cdc duo-ng ong va cdc cdp dipn dup'c die trung bai ty so giua toan bp dipn tich tilt dien cua 16 gilng so vdl dipn tich tiet dipn huu ich dup'c su dgng d l ldp dit thilt bj Doi vdi eac dgng neu tren cua tilt di$n 16 gilng thi ty so se id: hinh chij* nhgt -1,0; hinh cong - 1,22; hinh elip - 1,27; hinh trdn - 1,30 Nhu vgy, vl^c b l tri thilt bj trgc tai vd cdc thiet bj khdc hp'p ly theo dien tich tilt di0n ngang cua 16 gilng co dgng hinh chu nhgt se hpp ly va tilt kipm di^n tich han ea so vd'i cdc dgng tilt dipn khdc Bi nhan dugc eung mpt dipn tich huu ich d l i v6i tilt dipn ngang eua 16 gilng thi khii lup'ng cdc c6ng vipc ddo 16 tilt di0n ngang la hinh trdn tdng khoang 30% so vd'i tilt di^n ngang hinh chu nhat Theo m i i quan h0 v l th6ng gi6, vdi cdc dipn tich tilt di0n ngang nhu cua cdc 16 gilng thi tilt di^n hinh chu nhgt (v6 chong bang gd) se cd sO'c can chuyin dpng cua glo Idn han v6 ching bing dd hogc bing be tdng cdc 16 gilng co tilt dipn ngang la hinh tron ngdnh cong nghiep mo phat triln nhat nhu Anh, Due, Phap, USA, Na Uy, Thgy Oiln, Lien Xd (cQ)TIP thgp nien 60 vd 70, ky thudt mdy tinh phdt trien, da tien hdnh xay dg'ng dup'c cdc chuang trinh tinh todn su dgng mdy tinh dien tu d l ca gio'i hoa cac khau tinh toan phuc vg thilt k l d l i vd'i cac cdng trinh c6ng nghipp n6i chung vd cho nganh cong nghipp khai thde md ndi rigng Cdc phuang phap thilt k l sQ' dgng ede qua trinh tinh todn ung dgng may tinh phdt triln mgnh a cdc nudc phuang Tdy, cdn tgi Lien X6 (cQ) thi chdm han b i t dau vao nhung nam 70 vd 80 cua t h i ky trudc D i n nay, tren the gidi, da xay dg'ng dupc cdc phin mem chuyen phgc vg cho tCrng khdu tinh todn ehuydn nghiep d l i vdi timg ITnh vg-c thilt k l khai thdc md cd ITnh vg'c thilt k l phgc vg xay dg'ng gilng dung Vdi su phdt triln vupl bac cua edng nghp tin hpc thi vipc Igp cde md hinh so vd giai chung tra ndn d l ddng vd nhanh chdng Hi^n cd rit nhilu cac trung tdm nghidn ciru va cae cong ty da phat triln rit nhilu eac phan mem tinh todn, thilt k l cong trinh ngam: phin mem Moflow cua Lien doan ^ a chit My; phin mIm Phase2 cua Hang Rockscience; phin mem UDEC cua Hdng ITASCA; phin mIm UNWEDGE cua Hdng Rocscience; phin mIm SCAD 11.5; phin mIm FLAC; FLAC 3D; phin mIm PLAXIS Vipc thilt ke gieng dung vdl cac nudc c6 nen cdng nghidp khai khoang phdt trien phan Idn d i u cd kha ndng tg' thyc hien tren ca sd cac dilu kipn thg'C t l cua dg' an va hipn cdc nudc vdn tilp tgc nghien cuu, hodn thipn tinh todn, thilt k l cdng nghp thi cdng gieng dung Cdc nudc deu da cd cdc tieu chuin thilt k l gilng dung Tru^c thgp n\in 60 eua t h i ky truo'c, ca sd' ridng cua minh Tgi Trung Quic da ban hanh phuang phdp lu^n tinh todn phgc vg thilt ke md Quy phgm thilt k l gilng dung mc thgn n6i chung vd thilt k l Id gilng dung noi rieng GB50384-2007; Tgi Lien bang Nga ban hanh dup'c dg'g tren ca sd' cdc nghien cuu thg'C "Cdc ^ n h muc thilt k l eac dudng Id md nglm nghi$m cOg cdc vi$n nghien cuu mo chuyen XNIP 11-94-80" ngdnh d l dua cdc phuang phdp tinh todn Tgi Vipt Nam, thilt ke cung nhu thi cdng phgc vg thilt k l mo, tiln hdnh xdy dg'ng cdc djnh gilng dung chua cd nhieu kinh nghipm, vipc tg* muc thilt k l md noi chung vd thilt k l 16 gilng chu thilt k l , thi edng gieng dung van chua cd di>ng ndi ridng Cdc cdng thi>c tinh todn thg'C mpt dan vj trpng nudc ndo thg-c hipn dup'c nghi$m ndy vd cdc c^nh muc ttnh toan phgc vg Gilng dung md Mdng Duang Lien Xd (cu) thilt k l dupc thg'C hl0n tn^c tilp, tinh todn bdng thilt k l va chl dgo, tham gia thi cdng; gilng dung phuang phdp thu cdng ( k l ca cdc nudc c6 md Hd Lim dp ngudi Trung Quoc thg'C hipn Cac KHCNM S6 10/2015 * CNKT HAM LO Thdng tin khoa hoc cong nghe m o Li ky hap ding thiit ki mi than him Id NUI Bio Li khdi cdng Du in diu tu xiy dung cdng trinh mi than him Id NOI Bio Phuvng phip dd giii xic djnh duOng kinh cua Id Phuong phip di giii xic d\nh dudng kinh cOa 16 giing skip giing thing cQI A.B-ld cic kich thudc phu bl cua dc thOng skip A,B - - li cic kich thudc phu bl; 5- li khe hdn^m g/tta li khe hd nim giOa cic thung tnjc tii vd vd ching; A dii vi vd ching; A- li khe hd nim giOa c6c - li khe hd nim giOa cic thung tn,ic tii vd cic thanhthung tnjc til vi cic din hudng: m - li khe hd din hud'ng; m-li khe hd nim giira c^c thung skip; 1nim giO-a cic thOng cDi; n - li cic khe hd n^m giOs -4-Id cic (Tiim ti/a cua dudng trdn, 0-li tSm cua cic thOng tnjc tii vi cit giing; 1-3-lictic diim ti/a dudng trdn di xic djnh dudng kinh cda Id giing cOa dudng trdn; O- li diim giao cit cOa dc dudng tmng tuyin cOa tam giic - li tim cOa duimg trdn, 66 tidu chuin, (|nh muc d l thilt k l xay dg'ng gilng xic dmh dudng kinh cOa Id giing dung diu ehua ed hogc rat it Cde tinh toan mdi da phii hgp vdi Cong ty C l phin GIPROSAKHT chi dugc bilt din qua cdc gido trinh gidng day Lien bang Nga thg-c hidn theo hinh thCrc Vipn 1^ dgi hpc hodc mpt s l cdng trinh nghidn cuu khoa nhd thiu chinh cdn C6ng ty GIPROSAKH Id nhS hpe, ludn vdn thiu phg Qua nghien ci>u cdc tieu chuin thl^t Ndm 2009, dugc si/ tin cgy eua Tap doan k l cua cdc nude trdn t h i gidi, Vipn da Ma chpn Cdng nghipp Than - Khoang san Vipt Nam TKV, phuang phdp, tidu chuan thiet k l cua Lidn X6 Vidn Khoa hpc Cdng nghe Md Vinacomin da (cu) (XNIP 11-94-80) dp dgng tinh todn chilu ddy phii hgp vdi Cdng ty C l phin than Nui Bdo Igp vd ching gilng dung eho md Nui Beo Oing thdi Dg* dn diu tu khai thdc md than ham 16 Nui Beo vdi vide thilt ke khai thdc mo than him 16 NCil vd dugc Cdng ty phe duypt dau tu tgi Quylt (^nh Bdo, Vipn Khoa hpc Cdng nghp Md dd triln khai s l 1619/QO - HDQT ngdy 01/5/2011 Mo dugc thg-c hipn d l tdi "Nghien CLPU tinh todn thilt k^ khai thdng bdng hai gilng dung, dd gilng dimg chinh ddo tir mire +35,0 xuIng muc -352, kit c l u ching gilng dung md than him 16 NOI chilu ddi 387m, dudng kinh su dgng 6,0m Bdo" Gilng dipng phg ddo ti> mCrc +35,0 xuIng mue Vipc xdc (fmh dipn tich tilt didn ngang cua 16 382, chilu ddi 417m, dudng kinh su dgng 6,0m gieng cdc md h i m 16 dugc tiln hdnh bing phuang phdp giai D l thg-c hidn dugc vi0cc +14,2) Phan than gieng (tu' miFC +14,2 den miic -258,9) Vat lieu chong Chieu day vd chong, mm BTCT 500 BT 350; 400 Nga ba mire -54,5 BTCT 400 Ng§ ba miFc-145 BTCT 400 Nga ba mire-258,9 BTCT Phan than gigng (tir mire -258,9 d6n mire -350) To hgp chat tai thiing skip BTCT 600 Ng3 ba mire -350 BTCT 600 II Gi6ng dirng phu Ph^n CO gieng (tu- mire +35 den mu'c +19,2) Phin than gieng (tir mire +19,2 den mCrc -350) 450 450; 600 BTCT 500 BT 350; 450 NgSba mu'c-140 BTCT 450 Nga ba mire -333 BTCT 450 Nga ba mire -350 BTCT 450 Phan than gieng (tu' mire -350 den mue -380) BT 450; 600 Nga ba mir-c -376 BTCT 600 LSnh dao Tip dodn kiem tra tiSn tlii cdng giing Lanh dao BO Khoa hoc COng nghe, Bg COng dung md NOi Bio ' Thuong kiim tra djnh ky di tii thiit ki, thi cdng edng; Thilt k l thi edng ddo sau thdm 4,4m ddy giing dUng md NOi Bio gilng chinh d l phgc vy thodt nirdc vd chat dd (thing 10/2013); tdi thi edng cde dudng Id sdn ga mu'c -350 Kit gud d i n nay, Cdng ty C6 phin than Niii - Gilng aijng phy: B l sung bign phap ehdng Bdo da thi cdng hai gilng dyng ddm bao an thim nu'dc m^t bSng be tdng xithan; Dieu chinh todn, chit lygng K i t e l y vd ching bd tdng kit c l u chdng giCr ao?n thdn gilng tCf mire - chdng giy gieng diing dam bao chjy \uc cdng 113,4-+-132do khdng phai thi edng nga ba mi>c trinh Qua gud trinh thyc hign thilt k l kit eiu -123 vl xay dyng Id chya nydc tap tnjng tgi myo chdng giy gilng dyng md Nui Beo dd giiip cdc -350 {thdng 10/2013); Oily chinh bd sung kit can bd ty v i n nydc tiln tdi Idm chu hodn c i y ehdng tam ngd ty mife -140 bdng vi neo todn cdng tdc thilt k l gilng dirng khai thdng cdc BTCT dd cd dd kidn cd t h i p hon dy kiln md than him Id./ n KHCNM S6 10/2015 • CNKT HAM LO ... hgp vdi Cdng ty C l phin than Nui Bdo Igp vd ching gilng dung eho md Nui Beo Oing thdi Dg* dn diu tu khai thdc md than ham 16 Nui Beo vdi vide thilt ke khai thdc mo than him 16 NCil vd dugc Cdng... LO Thdng tin khoa hoc cong nghe m o Li ky hap ding thiit ki mi than him Id NUI Bio Li khdi cdng Du in diu tu xiy dung cdng trinh mi than him Id NOI Bio Phuvng phip dd giii xic djnh duOng kinh cua... gilng dung md Nui Beo (xem bang) Hinh Kit ciu chdng giO giing dOng md than him Id Thilt k l dd dugc Cong ty Co phin NOi Bio than Nui Beo phe duypt vd khdi cdng xdy tren ban ve ed ty lp 1:50 t h