Ukusika umsele Ukuhlanganisa kabusha indlela yodonga olujulile (i-TRD ngamafuphi) yehlukile kundlela ye-Soil Mixed Wall (SMW). Ngendlela ye-TRD, amathuluzi e-chain saw afakwe engxenyeni ende engunxande "iposi lokusika" futhi afakwe emhlabathini, ukuze ahanjiswe ngokuphambene ukuze anqunywe kanye nokuthululwa kwe-grout, ukuxuba, ukunyakazisa, nokuhlanganiswa kwenhlabathi endaweni yokuqala, ukuze yenza udonga olungaphansi komhlaba lwe-diaphragm.