Ngwá ọrụ backhoe loaders bụ igwe na-arụ ọrụ ala nke nwere ọtụtụ ọrụ, nke nwere ike ịrụ ọrụ na tracks ma ọ bụ na wheels, nke na-ejikọta ikike ibuli akpa n'ihu na akụrụngwa excavator na azụ, na-arụ ọrụ dị ka ngwa enyemaka dị mkpa na nrụpụta ụlọ mgbọrọgwụ dị omimi na usoro ịchekwa ala. Na ngwa pụrụ iche dịka mgbidi diaphragm, curtains cutoff, mgbidi secant pile, na ntinye sheet pile, backhoe loaders na-enye nkwado dị mkpa na njikwa ihe, nkwado excavation, na ikike nkwadebe ala nke na-eme ka arụmọrụ nke ọrụ dị mgbagwoju anya na ala dị n'okpuru. Ngwá ọrụ ndị a na-ejikọta oghere ọrụ dị n'etiti igwe na-anya ụgbọala pile na nnukwu akụrụngwa excavation, na-enye ohere dị iche iche na ebe obibi obodo na gburugburu ebe nrụpụta nke etiti ebe a na-achọ ka a na-emegharị ma ọ bụ usoro nrụpụta mgbidi na-esote na-achọ akụrụngwa na-arụ ọrụ nke ọma, nke nwere ike ịrụ ọrụ. Na nrụpụta mgbidi diaphragm, backhoe loaders na-eme ka ala wepụ na ibuli ihe site na mpaghara mgbidi ndu na mpaghara excavation panel, na-achịkwa akụkụ usoro mgbasa ozi bentonite slurry, na-etinye nkwado akụrụngwa gụnyere tremie pipe assemblies na casing guides. Maka ntinye curtains cutoff—ma ọ bụ jet grouted, soil-mixed, ma ọ bụ secant pile configurations—backhoe loaders na-achịkwa excavation trench mmalite, na-etinye ahịrị mmiri slurry na cement, na wepụ ihe site na ogige ala a na-ejikọta. N'oge ntinye mgbidi sheet pile, igwe ndị a na-enyere aka na ịmepụta ụzọ ịbanye, nkwadebe ihe, na ntinye usoro nchekwa gburugburu. Nhazi ọrụ abụọ a na-enye ohere maka ịrụ ọrụ na-aga n'ihu na-enweghị ịkwaga akụrụngwa: akpa ibuli n'ihu na-arụ ọrụ excavation na mmegharị ihe buru ibu, ebe akụrụngwa excavator na azụ na-enye ọrụ ziri ezi na oghere ndị a na-ejikọta, ọrụ nhicha, na nhazi ala zuru ezu. Usoro ọrụ na-eji ike hydraulic na-ebufe na circuit ndị dị iche iche n'ihu na azụ, na-enye ohere maka ọrụ ibuli na excavation n'otu oge ma ọ bụ mmegharị boom na akpa nke a haziri nke ọma maka usoro ọrụ pụrụ iche. Nhazi akụrụngwa na-agbanwe site na onye nrụpụta na ihe achọrọ: ụdị tracks (12–25 metric tonne operating weight) na-eme nke ọma na ọnọdụ ala dị nro ma na-eme ka mmebi ala dị obere, ebe ụdị wheels na-enye ohere dị elu na ọsọ ọsọ na ịkwaga n'etiti mpaghara ọrụ. Ike backhoe na-adịkarị n'etiti 5 ruo 7 mita na akpa volumes nke 0.6 ruo 1.2 cubic mita, nke a haziri maka usoro njikwa ihe mgbọrọgwụ dị omimi. Nhazi dị elu na-ejikọta usoro cab na-eme ka nrụgide, hydraulic auxiliary circuits maka ịrụ ọrụ slurry pump, na nduzi maka ịtọ tremie nke ọma. Nhọrọ criteria na-enye ihe kachasị mkpa na njikọ ọrụ, akpa volume, njikọ na ikike ala, na ịdị adị ike hydraulic na-ejikọta na mmanụ a na-atụ anya na mmanụ na ịdị arọ nke ihe. Na strata nke clay na-achọ ka a na-eme ka slurry na-agba ọsọ, nkwụsi ike igwe na arụmọrụ mmanụ na-abụ isi; na ala granular na-achọ ka a wepụ ihe ngwa ngwa, oge cycle akpa na ọnụego ibuli na-abụ isi. Ụkpụrụ arụmọrụ dị mkpa sitere na ISO 7451 (nomenclature arụmọrụ backhoe loader), EN 459-1 (nchedo igwe hydraulic), na nkwupụta ndị nrụpụta dịka ISO 4413 (usoro nchekwa hydraulic). Nchekwa njem dịka DIN 1600 na nyocha ikike ala site na EN 1997-1 Geotechnical Design na-achịkwa nkọwa igwe na usoro itinye n'ime usoro injinering mgbọrọgwụ dị omimi nke ejikọrọ.
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