Kana gomba renheyo rakadzika, mvura yepasi yakakwira, uye pasina mvura inonaya yekuvaka, mapepa emapuranga anoshandiswa sechigadziro chinotsigira, chisingagoni kuchengetedza ivhu uye kusapinda kwemvura chete, asiwo kudzivirira kuitika kwejecha rinokurumidza. Mashizha murwi anotsigira anogona kukamurwa kuita anchorless sheet piles (cantilever sheet piles) uye anchored sheet mirwi. Iwo anowanzo shandiswa simbi mapepa mapiru maU-shaped simbi pepa mirwi, inozivikanwawo seLarsen simbi pepa piles.