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Kufotokozera Kwachidule:

Kudula ngalande Kusakanizanso njira ya Deep wall (TRD mwachidule) ndi yosiyana ndi njira ya Soil Mixed Wall (SMW). Ndi njira ya TRD, zida za unyolo zimayikidwa pagawo lalitali lamakona anayi "kudula" ndikuyika pansi, kuti zisunthidwe modutsa podula ndi kutsanulira grout, kusakaniza, kusokoneza, ndi kuphatikiza dothi pamalo oyamba, kuti pangani khoma la diaphragm mobisa. Njirayi inayamba kupangidwa ku Japan mu 1994 popanga makoma odulidwa kapena makoma a slurry diaphragm, omwe amagwiritsidwa ntchito kwambiri m'masiteshoni apansi panthaka, malo otayira pansi, makoma osasunthika kuti ateteze kuipitsidwa ndi madzi apansi, ndi zina zotero. Njira ya TRD yakhala ikugwiritsidwa ntchito kwambiri malo ogwirira ntchito ku Japan kuyambira 1990s. TRD njira kupeza chitukuko mofulumira, popeza TRD koyamba ku China mu 2009. Only m'chaka cha 2018, okwana khoma madera opangidwa ndi TRD njira ndi mpaka 1 miliyoni lalikulu mamita ndi ntchito zoposa 80 zoweta.