Ukubaluleka kokuKhenketwa kweekhonkrithi

Ikhonkrithi yiyona nxalenye enkulu kwiC & D Waste Stream

Ukwakhiwa nokubhubhisa (i-C & D) inkunkuma yinkalo ebalulekileyo yomlambo ococekileyo wenkunkuma, efikelela kuma-25 ekhulwini kwenkunkuma engqongileyo yesizwe. Inxalenye enkulu yezinto ze-C & D yikhonkrithi, equka malunga neepesenti ezingama-70 ze-C & D eziphathekayo ngaphambi kokubuyiswa kwakhona, ngokwe-US EPA. Ukwakhiwa (iiyure ezingama-21.7 yezigidi) kunye nokubhubhisa (i-353.6 yezigidi zeetoni) imisebenzi yayingama-375 yezigidi zeetoni ezipheleleyo.

Ukubhujiswa kwendlela kunye nebhuloho kwakha i-157.4 yezigidi zeetoni zesi sixa. Amathani angaphezu kwezigidi ezili-140 ezikhonkrithi aphinda aphindwa rhoqo ngonyaka, ngokwemibutho yoKwakha kunye neDemolition Recycling Association.

Ngoxinzelelo lweentlawulo zomhlaba eziqhubekayo, ukuchithwa kwezinto ze-C & D ngokubanzi, kunye nekhonkrithi, ngokukodwa, ihlala yindawo ebangela umdla kubantu abanomgaqo-nkqubo. Kwimashishini, kukho izikhuthazo ezibalulekileyo. Omnye umthombo ubhala iindleko zeC & D zokufaka i-$ 100 nganye ngetoni, kunye neendleko eziphathekayo ezinxulumene nezinto zokuhambisa impahla kwi-landfill kwi-$ 0.25 nganye ngeekhilomitha / ithoni. Imithombo yecandelo elihlambulukileyo liquka iziseko zokwakha, i-curb kunye ne-gutter, iindlela, iindlela eziphakamileyo, ii-flightways kunye nezinye.

Iinzuzo zokuKhuseliswa kweekhonkrithi

Kukho uluhlu lwezinto zokusingqongileyo kunye nezoqoqosho ekubuyiselweni kwakhona kwikhonkrithi kunokuba ulilahle okanye ukuwufihla kwindawo yokuhlawula . Ezi nzuzo ziquka:

IMakethi yeekhonkrithi ze-Recrete

Inkqubo yesiseko esisisiseko (isiseko seendlela) Isixhobo esikhulu kakhulu sokuhlanganiswa kwekhonkrithi esele (RCA) sisifundo segqeba esisisiseko ekwakhiweni kwendlela. Eli gama libhekiselele kumgca wesiseko kwendlela yeendlela. Icandelo elinqamlekileyo leentambo liza kubonisa ukungcola, okanye ukuhlaziywa, njengamazinga aphantsi kunamathathu, aphezu kwinqanaba elibanzi, kwaye ekugqibeleni ukhonjiswe phezulu ngenqwelo, mhlawumbe ikhonkrithi okanye i-asphalt. Esi sicelo samukelwa ngokubanzi kwikhonkrithi esebenziweyo yiSebe lezothutho.

Uzinzo loMhlaba Xa uzinzo lomhlaba lukhutshwa, umthwalo ophethe umthwalo wecandelo elingaphantsi unokuphuculwa ngokubandakanywa kwe-recycled aggregate, i-lime okanye i-ash ash. Inkqubo iyatshintsha ukukhutshwa kwamanzi okuhlaziywa kwamanzi, ngokwandisa ukuzinza.

Ubhedu bombhobho Ikhonkrithi ye-recycled ingasebenza njengebhedi elizinzileyo okanye isiseko esisisiseko sokubeka phantsi komhlaba.

Iimpawu zeendawo Izinto eziphathekayo zeteknoloji zisebenzisiwe kwiindawo ezihlukeneyo zendawo, kuquka amatye ajikelezayo , izindonga zamatye ezixutywe ngamatye, eziphantsi komhlaba, izakhiwo zokukhukhula, iimpawu zamanzi, ukugcina izindonga kunye nezinye izinto ezisetyenziswayo.

Inkqubo yokuThengiswa kweekhonkrithi

Ngaphandle kwenkalo yesiseko, i-RCA yinto ephakamileyo ephezulu, imveliso yamanyathelo amaninzi okucubungula kuquka ukuchotshozwa, ukuphambi kokuqala, ukuhlunga, ukuphonononga kunye nokuchithwa kokungcola.

Isibalulekileyo kukuqala ngezinto ezicocekileyo ezinokumanyaniswa neemfuno zemveliso.

Ukucubungula kuqala ngeemisipha eziphambili, iimbonki kunye neempembelelo ezinkulu ezijoliswe ekunciphiseni i-debris ngotshani. Eli nyathelo linokuthi lilandelwe okanye lingahambelwanga ngokusetyenziswa kweekona zesibini okanye iimpembelelo zokuqhubela phambili. Ukungcola kunye ne-foreign particulate kungasuswa ngesikrini se-scalping ngelixa isicatshulwa esifanelekileyo singasuswa kunye neskrini esicacileyo sekhonkco.

Ukuhamba kwamanzi, ukuqoqa ngesandla, ukwahlula umoya, kunye nabahluli be-electromagnetic asetyenziswa ukuqinisekisa ukuba ikhonkrit ephinda isetyenziswe ngaphandle kwensimbi, udongwe, ukhuni, ukungcola, iplastiki kunye nezinto zokusebenza.

Ngokubambisana okuphezulu kunye nokunciphisa ukungena kwiindawo ezininzi, ngokubambisana nokunyanzeliswa kwengcinezelo yokuguqula izinto ezifana nekhonkrithi evela kwii-fowuni eziqhutyelweyo, kubonakala sengathi ukulungiswa kwakhona kwekhonkrithi kuya kuqhubeka kukhula kubaluleke ngaphezu kweminyaka ezayo.

Ukufumana ulwazi oluninzi malunga nokubuyiswa kwekhonkrithi, tyelela iwebhusayithi ye-CDRA.