Hawanawar da kwarara ita ce ka'idar sanya pilasi mai aiki da kwarara wacce take amfani da kwarara mai tsari don kai hari ga matsanancin ƙasa da kuma shiga pilasai cikin ƙasa tare da ƙarancin rudani. Diffferent da hanyoyin bugun fada waɗanda suke dogara ne akan makamashin da aka canza ta hanyar bugun-bugun, na'urorin hawanawar suna amfani da kwallo mai karkatawa wanda aka shigo a kai na mashi da kuma samar da kwarara mai tsari a kai tsakanin 10 zuwa 80 hertz. Wannan kwarara mai tsari ta rage matsanancin tsallake tsakanin pilasi da ƙasar da ke kewaye, wanda hakan ya haifar da yankin da aka lulle wa pilasi ya shiga cikin sauki. Hanyar ita ce mai tasiri musamman a cikin yanayin ƙasar granular, gami da sand mai yawa, kwallo na gravel, da abubuwa mara haɗin kai inda kwarara zai iya rage rudani na wucin da matsanancin ƙasar. Hawanawar ita ce anfi amfani da shi don shigar da pilasai na steel pipe, H-piles, da pilasai na ƙarshen a cikin gini, ci gaban platform na teku, da ayyukan infrastruktur na teku. Hanyar ta samu amfani sosai a cikin wuraren tashar jiragen ruwa, hanyoyin da ke kusa da gadi, da tsarin ƙasa inda muhimman muhalli da ƙuntatawa na sauti suke buƙata hanyoyin shigarwa masu sauti ƙarancin rudani idan aka kwatanta da masha na fada na al'ada.
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