Strip mining yog ib hom kev mining qhov chaw cov nroj tsuag overlying, pob zeb, thiab av (overburden) raug tshem tawm kom ncav cuag lub hauv paus coal seam, uas feem ntau yog lus dag. ob peb ko taw hauv qab qhov chaw. … Mining yog ua tiav nyob rau hauv ntev, nqaim strips, yog li lub npe "strip mining".
Dab tsi yog ib txoj hlua hauv mining?
Strip mining, tshem tawm cov av thiab pob zeb (overburden) saum ib txheej lossis seam (tshwj xeeb tshaj yog thee), ua raws li kev tshem tawm cov pob zeb tawm. … Tej thaj chaw mining feem ntau nce mus nyob rau hauv ib tug sib npaug sib sib zog nqus trenches hu ua furrows los yog strips. Qhov ntev ntawm cov strips no yuav yog ntau pua metres.
Vim li cas strip mining thiaj phem?
Ntog mining (lwm lub npe "strip mining") tuaj yeem ua rau cov av loj lossis txo nws cov qoob loo; dej qias neeg los yog tso dej hauv av cia; caws pliav los yog thaj chaw toj roob hauv pes; puas tsuaj rau txoj kev, tsev, thiab lwm yam; thiab rhuav tshem tej tsiaj qus.
Kuv txoj kab nqes tob npaum li cas?
Terraced excavations feem ntau 10–30 m tob nrog tso nyiaj dipped ntawm 8 °; ib co internal cia ntawm overburden (Fig. 2.1C). 1.2. Kev cuam tshuam ntawm txoj hlua mining.
Puas sawb mining zoo?
Kev lag luam thee sib cav hais tias kev khawb khawb yog qhov zoo tshaj plaws los muab cov pob zeb-uas stripping yog qhov ua tau zoo dua, tsawg dua thiab muaj kev nyab xeeb dua li kev khawb hauv av. Environmentalists tawm tsam tias lub teb chaws cov kev xav tau tuaj yeem ua tiav los ntawm kev rov qab mus rau qhov tob mining.
