Ibisobanuro bigufi:

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Gukata kwome byo kongera kuvanga uburyo bwimbitse (TRD kubigufi) bitandukanye nubutaka buvanze urukundo (SMW). Hamwe nuburyo bwa TRD, urunigi rwabonye ibikoresho byashyizwe mu gice kirekire "Gukata inyandiko", kwinjizwa mu gihirahiro, no gushimangira, no guhuriza hamwe urukuta rwa diafragm. This mechanism has been first developed in Japan in 1994 for making cut-off walls or slurry diaphragm walls, which has been widely used in subway stations, landfills, impermeable walls to prevent contamination from ground water, etc. TRD method has been widely used in job sites in Japan since 1990s. Uburyo bwa TRD bubona iterambere ryihuse, kubera ko TRD yamenyeshejwe bwa mbere Ubushinwa muri 2009. Gusa mu mwaka wa 2018, uturere twose twakozwe na TRD uburyo bwa metero kare 1 mu rugo.