Lub nroog daim txhuam cov dej ntws muaj xws li: lub vaj zaub, cov kab hauv av, cov av qeeg, cov av qeeg, cov av ntub, thiab lwm yam. permeability, uas tuaj yeem txhim kho kev muaj peev xwm ntawm cov dej nag hauv nag hnub, txuag dej cov kev pab, thiab tiv thaiv kom tsis txhob poob ntawm kev dej nag. Lub neej ntawm kev ua haujlwm zoo li no yog qhov tseem ceeb ntawm txoj haujlwm ntawm cov cib ciam permeable.
Cov kab txha nqaj hlau uas siv tau los ntawm peb lub tuam txhab ua tau los ntawm cov xim cwj pwm ntawm ntau yam xim, cov xim thiab specifications, uas siab tau raws li ntau cov kev xav tau ntawm cov neeg siv khoom. Cov kev ua tau zoo ntawm cov khoom cem permeable tau mus txog cov kev meej ntawm cov cwj pwm permeable pavement. Nws muaj cov twj permeable siv tshuab. Cov ntaub ntawv tseem ceeb ntawm cov khoom cem uas muaj permeable tuaj yeem ua tau gravel, MAAs, siv khib nyiab thiab ntau yam khoom pov tseg, thiab tom qab ntawd nrog rau ib qho kev faib ua feem ntawm cov neeg siv tshuaj tua kab tshwj xeeb, cov khoom. Zoo nkauj, koj ua tau zoo thiab tsis tshua muaj nqi. Peb lub tshuab cem permeable muaj qog quab yuam, thiab cov khoom siv khoom muaj ntau dua. Cov kab lim dej yog qhov zoo tshaj rau cov qauv A-class. Cov kab thev ntawm cov kab tho khiab kuj muaj kev tiv thaiv ua kom zoo thiab cov pa roj carbon permeability. Qhov nto yog me ntsis concave thiab convex, tiv thaiv txoj kev nto kev xav thiab absorbing tsheb. Tawm nrov nrov thaum tsav tsheb; daim txhuam ciaj khov ntawm cov tshuab ua khoom siv yuav tsum siv dav hauv cov khoom siv hauv nroog, cov chaw luv luv, kev tsheb, kev taug kev, chaw nres tsheb, cov chaw lag luam, squares thiab kev ua vaj tsev.
