Ntau tus neeg soj ntsuam muaj kev xeem Mundic rau tshuaj ntsuam cov khoom siv hauv tsev, lossis tuaj yeem npaj ib qho los ua koj tus kheej. Qhov kev sim no suav nrog kev kuaj me me ntawm lub tsev cov ntaub siv lub laum, uas tom qab ntawd txheeb xyuas cov ntsiab lus ntxhia thiab muab qib A1, A2, A3, B thiab C.
Kev xeem mundic yog dab tsi?
The Mundic Block Screening Test
Preliminary Testing 50mm qhov yog drilled ntawm random piv txwv cov ntsiab lus thiab cov pob zeb yog sim nyob rau hauv ib lub chaw soj nstuam rau lub xub ntiag ntawm minerals, lub aggregate muaj pes tsawg leeg thiab tej deterioration. … Cov qauv qib A yog dawb los ntawm cov zaub mov tsis zoo thiab muaj peev xwm tsim nyog rau kev qiv qiv nyiaj.
Vim li cas mundic phem?
Pelite Mine Waste
Kev tawg ntawm pyrite ('mundic') ua rau cov kua qaub uas tawm tsam thiab degrades cov binder Yog tsis muaj binder lub pob zeb yuav xoob aggregate uas tsis muaj structural kev ncaj ncees. Thaum kawg cov pob zeb ua tsis zoo thiab feem ntau lub tsev yuav tsum tau rhuav tshem.
Mundic thaiv puas tuaj yeem kho tau?
Qee lub tsev tseem tuaj yeem kho tau los ntawm kev lag luam tag nrho, yog tias qhov teeb meem hauv cheeb tsam. Andrew tau hais tias: Nws tsis tshua muaj tab sis muaj cov khoom qub uas yuav muaj qhov txuas ntxiv tsim thaum lub sijhawm siv mundic, thiab yog li cov mundic tsuas muaj nyob hauv cov qauv no.
Cov tsev Cornish yog dab tsi?
Cov Cornish Unit
Lawv tau tsim los ntawm Central Cornwall Concrete & Artificial Stone Co. thiab muaj nyob hauv bungalows, ob-storey semi-detached thiab terraced tsev. Lawv tau ua pov thawj tias muaj neeg nyiam heev thiab 30, 000 lub tsev tau tsim ua ib feem ntawm kev siv zog tom qab tsov rog.
