Vanhu vazhinji vanogona kuti kana vachiona vachipfapfaidza mvura isingapindi mvura, kupfapfaidza kukoira kuri nyore uye hakudi chero tsananguro. Asi ndizvo chaizvo here?
Bridge deck yekudzivirira mvura yekuvaka inokamurwa kuita zvikamu zviviri: bhiriji dhizaini yekuchenesa uye bhiriji dhizaini yekudzivirira mvura yekuisa kupfapfaidza.
Chikamu chekutanga chekuchenesa chakakamurwa kuita kuputika kwepfuti (roughening) yebhiriji dhizaini uye kucheneswa kwepasi. Ngatisataure nezvenyaya iyi parizvino.

Kupfapfaidza kuputira kusapinda mvura kwakakamurwa kuita matanho maviri: kupfapfaidza dhizaini dhizaini yekudzivirira mvura uye pendi yemuno.
Paunenge uchipfapfaidza dhizaini yekuputira mvura kekutanga, imwe chiyero che surfactant solution inofanirwa kuwedzerwa kune yekuputira kuti iwedzere kunyungudika kusimudzira kupinda kwejasi mu capillary pores ye base layer uye kuvandudza kusimba kwekubatanidza uye kugera simba re iyo isingapindi mvura. Paunenge uchipfapfaidza jasi rependi rechipiri, rechitatu, uye rechina, mirira kusvikira jasi repende rapera raoma zvachose usati wamwaya.
Pendi yechidimbu ndeyekudzivirira pendi kuti isasvibisa madziro ekudzivirira kudhumhana. Paunenge uchipfapfaidza dheki yebhiriji isingapindi mvura, munhu anofanira kubata jira kudzivirira madziro ekudzivirira kudhumhana. Kurudziro: Nekuda kweiyo isingapinde mvura pazasi pemadziro ekudzivirira kudhumhana, zvinowanzokurudzirwa kushandisa pendi yemanyorero yependi isina kukwana.
Zvakadini nezve tekinoroji yekuvaka yekupfapfaidza bhiriji deki isina mvura yekupfeka? Mushure mekuverenga zviri pamusoro apa, uchiri kufunga kuti ibasa riri nyore here?