Gruss: nws yog dab tsi thiab vim li cas nws yog li ntawd nrov

Xoob sedimentary pob zeb, yog lug siv nyob rau hauv kev tsim kho, tshwj xeeb tshaj yog private, hu ua scree. Xwm nws cov keeb kwm - qhov tshwm sim ntawm tej yam ntuj tso pob zeb puas tsuaj, piv txwv li, nyob rau hauv tus ntawm cov dej, kub thiab weathering. Cov khoom twb tseem npaj los ntawm crushing kev txhais tau tias. Nyob rau saum npoo ntawm nws yog ib tug xoob talus ntawm ib tug tob zoo xws li cov pob zeb.

Cov yam ntxwv ntawm cov khoom

Gruss - yog dab tsi? Pob zeb tawg tsam, yus muaj los ntawm siab permeability, tsis tshua muaj zog thiab tsis tshua muaj dej muaj peev xwm. Cov khoom ntawm tej yam ntuj tso keeb kwm, yog li nws twb tsis muaj kev phiv tshuaj los ntawm cov ib puag ncig, ua mob ab tsi rau tib neeg, tsiaj txhu thiab nroj tsuag. Muaj pes tsawg leeg homogeneous txaus yog hom twg nyob rau hauv cov xim los ntawm daj rau grey. Cov zauv ntawm 2 mus rau 20 mm, uas yog qhov chaw ntawm xuab zeb thiab zoo gravel.

Rau ib lub ntsiab zoo yuav tsum tau ntaus nqi rau tus kuj tsis tshua muaj nqi ntawm crushed pob zeb ntsuam xyuas, vim yog lub tsis muaj kim txoj kev extraction. Nyob rau hauv qhov tseeb, gruss - yog dab tsi? Nws yog ib tug los ntawm-cov khoom, thiab yog li ntawd nws tus nqi piv rau rubble qis. Thaum nyob rau hauv ib co thaj tsam ntawm Russia, xws li cov Sverdlovsk cheeb tsam, lub raw khoom yog ua los ntawm ib qho ntawm feem zog-intensive thiab kim txoj kev.

Generalized tag nrho cov hom ntawm cov khoom nws shrinkage, lawv yog yus muaj los ntawm uas tsis yog-flammability, thiab kua zoo zog, uas yog indispensable rau tshem tawm dej nyab.

Raws li siv gruss

Vim cov uas tsis muaj zog ntawm txoj kev siv ntawm ib tug loj tsev siv yog tsis tau, tab sis muaj ntau ntau yam lwm yam kev siv. Rau lub txheej ntawm asphalt web khoom yog tov nrog crushed pob zeb los yog gravel. Nyob rau hauv nroog chaw ua si thiab lub vaj sprinkled khiav gruss siv raws li chiv rau cov nroj tsuag nyob rau hauv lub teb sector.

Siv raws li ib tug cov ntaub ntawv uas zoo abrasive cov cuab yeej rau polishing thiab tu co, nyob rau hauv kev tsim kho kev lag luam raws li ib tug cushion (puag) rau tso paving thiab qhob ntau lawm, raws li tau zoo raws li:

• dumping chaw;
• nyob rau hauv qhov siv thiab ua txiv qaub thiab MAAs;
• sau qhob;
• qhov kev siv ntawm txoj kev.

Nyob rau hauv ib nutshell, gruss - yog dab tsi? Continental khoom raws li tsim tsis raug rau cov dej, thiab cov khoom siv rau qhov kev siv ntawm bases ntawm me me lug.

Sib ntaus sib tua icing

Mis nyuj, puddles, cov av nkos - tag nrho cov paub cov teeb meem no thaum koj tsis tau mus kev cia rau hauv txoj kev thiab tsis tau qias neeg los yog lub caij nplooj zeeg, tuaj mus rau hauv lub chav tsev los yog feem ntau nres koj lub tsheb. Yuav kom tiv nrog qhov teeb meem nyob rau hauv lub scale ntawm lub nroog - cov hauj lwm ntawm pej xeem cov kev pab cuam, tab sis nyob rau nws qhov chaw ua koj tus kheej kev pab gruss. Yuav ua li cas yog nws, thaum lub teb chaws sprinkled nrog scree, nws muaj ib tug sawv cev ntawm txhua leej txhua tus, tab sis tsis yog txhua tus paub dab tsi nws yog.

Kho taug kev tiv thaiv los ntawm zawv zawg av nkos thiab puddles. Ntawm cov proposals ntawm lub lag luam nrov heev kev pab cuam me nyuam, cov ntaub ntawv uas yog feem ntau yuav nyob rau hauv tej - yog li muaj txiaj ntsim.

Antigololodnye zoo gravel ntse siv rau sanding sidewalks, chaw ua si thiab sidewalks, uas txhob ntau cov xwm txheej. Khoom Feature nyob ncaj qha rau ntawm lub pob zeb zog, nws kawm ntawv, qhov teeb meem muaj feem xyuam rau tus nqi ntawm cov khoom.