Ọnụ ahịa ụlọ ọrụ maka China 20-24t Excavator High Frequency Vibratory Pile Driver Vibro Hammer for Driving Pipe Pile Byvh250 maka Komatsu Kobelco Caterpillar Hitachi

Nkọwa dị mkpirikpi:

Trench ọnwụ Re-agwakọta Deep mgbidi usoro (TRD maka mkpụmkpụ) dị iche na ala agwakọta Wall usoro (SMW). Site na usoro TRD, a na-etinye ihe ndị a yinye agbụ n'akụkụ akụkụ akụkụ anọ dị ogologo "ịcha ọkwa" wee tinye ya n'ime ala, ka a na-emegharị ya n'ụzọ ọzọ maka ịcha na ịwụsa mmiri, ịgwakọta, na-akpali akpali, na ịkwado ala na ebe mbụ, ka e wee nwee ike ịmegharị ya. mee mgbidi diaphragm n'okpuru ala. Ebu ụzọ mepụta usoro a na Japan na 1994 maka ime mgbidi bepụ ma ọ bụ mgbidi slurry diaphragm, nke ejirila ọtụtụ ebe n'ọdụ ụgbọ oloko, ebe a na-edobe ahịhịa, mgbidi na-adịghị mma iji gbochie mmetọ sitere na mmiri ala, wdg. TRD usoro ejirila mee ihe n'ọtụtụ ebe. saịtị ọrụ na Japan kemgbe 1990s. Usoro TRD na-enweta mmepe ngwa ngwa, ebe ọ bụ na TRD malitere na China na 2009. Naanị n'afọ 2018, ngụkọta mgbidi nke usoro TRD mere bụ ruo 1 nde square mita na ihe karịrị 80 oru n'ime ụlọ.