Kubhalwe kahle ekuboniseni izivivinyo zokungena kwe-cone (CPT), ama-push rods kanye nezixhumanisi ziyisisekelo sokuphumelela kwezifundo ze-geotechnical. Lezi zinsiza ezikhethekile zenzelwe ukudlulisa amandla aphushelwa yi-CPT rig ku-cone penetrometer, okwenza kube nokukala okunembile kwemisebenzi yomhlabathi nezakhiwo zawo. Imvamisa zicutshungulwa kusetshenziswa insimbi ephezulu ukuze kuqinisekiswe ukuqina nokumelana nokugoba, ama-push rods avela ngezikhundla ezahlukene nobubanzi, okuvumela ukufaniswa nezidingo ezahlukene zephrojekthi kanye nezimo zomhlabathi. Ukusebenza kwama-push rods we-CPT kulula kodwa kubaluleke kakhulu ukuze kutholakale idatha ethembekile. Njengoba i-CPT rig iqhubekela phambili, ama-push rods adlulisa ingcindezi eya phansi ku-cone penetrometer, ethuswa phansi emhlabathini ngesilinganiso esilawulwayo. Le nqubo ikhiqiza amajulu aqhubekayo okulwa nomhlabathi, ingcindezi yephorhi, nezinye izimo ze-geotechnical. Ukuxhumana okuzimele phakathi kwama-push rods kuqinisekisa ukulahleka kwamandla okuncane, okuvumela ukucatshangwa okunembile nokwandisa ukuphepha kokusebenza kwemiphumela ye-CPT. Ezimweni zokwakha izisekelo ezijulile nezemisebenzi ye-geotechnical, ama-push rods nezingxenyekazi ze-CPT zibalulekile ezinhlelweni ezahlukahlukene, kuhlanganisa ukwakhiwa kwesayithi, ukuskena ngaphambili, kanye nokuhlola ukusatshalaliswa komhlabathi. Lezi zinsiza ziwusizo ikakhulu kuma-phrojekthi ahilela izisekelo ze-pile, amasu okuthuthukisa umhlaba, kanye nezinhlobo ezahlukahlukene zokuzinza komhlabathi. Ngokuhlinzeka ngemininingwane eyathakazelela yokuziphatha komhlabathi nezici zawo, idatha ye-CPT isiza abaningi abengineyanga ukuthatha izinqumo ezivulekile mayelana nokwakheka kwezisekelo nezindlela zokwakha. Uma ukhetha ama-push rods nezingxenyekazi ze-CPT, kufanele kubhekwane nezincazelo eziningana. Ubude, obuvame ukuphakathi kuka-1 kuya ku-3 imitha, bubalulekile ukuze kutholakele ukungena okuhlosiwe. Ububanzi bama-push rods, obuvamise ukusebenza phakathi kuka-25 mm no-50 mm, buphatha amandla nokunwebeka, okubalulekile ezimweni ezahlukene zomhlabathi. Ngaphezu kwalokho, kubalulekile ukuhlola izinhlobo zokuxhumeka, njengoba kunezinhlelo ezahlukene ezitholakalayo—kusuka kuzixhumanisi ezibhalwe kuze kube kuhlelo lokukhulula ngokushesha—ngeach inikeza izinzuzo ezihlukene ngobuciko bokuhlanganiswa kokusebenza kahle kanye nokwethembeka. Ezinye izinkomba ezibalulekile zokukhetha zifaka amandla wematerial, ukumelana nokubola, kanye nokuhambisana nezisetshenziswa ze-CPT ezikhona. Ukwenziwa kwekhwalithi ephezulu kuqinisekisa ukuthi ama-rods angakwazi ukumelana nezithwathwa ezinkulu kanye nezimo zezimo, okubalulekile ikakhulukazi ezimweni ezinzima zomhlabathi. Ngaphezu kwalokho, ukwakhiwa kalula nokuhlanza kungathinta njengezikhathi nezokuvumelanisa, okwenza kubalulekile ukuvota ama-push rods nezingxenyekazi ezihambisana nezidingo zakho zokusebenza. Ekugcineni, ukutshalwa kwemali kumama-push rods nezingxenyekazi ze-CPT ezisezingeni eliphezulu kubalulekile kunoma iyiphi iphrojekthi ye-geotechnical engineering. Ngokwenza isiqiniseko sokuthi izisetshenziswa zakho ze-CPT zine-rods ezithembekile nezizwakalayo, ungathuthukisa ukunemba kwedatha, unciphise isikhathi sokusebenza, futhi ubenze kube lula ukuqedela ngempumelelo izinhlelo zokwakha ezijulile nezokuthuthukiswa komhlaba. Kungokuthengwa noma ukukhokhiswa, ukuthola ama-push rods nezingxenyekazi ezisezingeni eliphezulu kuyisinyathelo esibalulekile sokufeza imiphumela ehamba phambili ezinhlelweni ze-CPT.
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