QALMOQIR VA YOSHLIQ-1 KARERLARIDA PORTLASH YO‘LIDA TOSH MASSIFINI ENGLASH SAMARALINI OSHTIRISH.
Referat
Tadqiqot shuni ko'rsatadiki, portlovchi texnologiyalardan foydalanish samaradorligini oshirish portlovchi massaning zarur sifatini va qavariqning shakli va parametrlarini nazorat qilish qobiliyatini ta'minlashga imkon beradi. “Qalmoqqir” va “Yoshlik-1” karerlarida qo‘sh dastgohlarni yangi texnologiya bo‘yicha quduq ichidagi zaryadlarni ishga tushirish, siqilgan muhitda haydash va oldingi portlash paytidagi tog‘ jinslaridan himoya devoriga portlatish uchun taklif etilayotgan sxemalar bo‘yicha portlatish texnologiyasi ishlab chiqildi. ma'lum parametrlar bilan massivning bir xilda maydalanishini ta'minlaydi. Aniqlanishicha, polimetall konlarda ekskavator-yuklash uskunasining samarali ishlashini ta'minlash uchun portlatilgan tog 'massivi bo'lagining o'rtacha hajmi dcp=0,14÷0,25 m bo'lishi kerak, bunda vayron qilingan massivning qazishga KF=0,1÷ solishtirma qarshilik ko'rsatish kerak. . 0,37 MPa. Tog‘ jinslarining fizik-mexanik xossalaridagi o‘zgarishlar diapazoni va tog‘ jinslarini portlash orqali bo‘shatishning texnologik parametrlari tahlil qilindi. bu ekskavator paqirining sig'imi va o'rtacha tosh bo'lagining o'lchami o'rtasidagi bog'liqlikni aniqlash imkonini beradi. Maqolada polimetall karerlarda qo'sh dastgohlarni portlatish texnologiyasining eksperimental tadqiqotlari keltirilgan. rudani faol ravishda to'xtatib, oldingi portlashdan tog' jinslarining saqlovchi devoriga portlatish orqali
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