Ama-piles aqinile anezigaba eziyinkimbinkimbi ezisemhlanganweni zucukile enza izingxenye eziqinsile zamafourme zesisekelo ezakhiwe ngezakhiwo ezikhethekile zokwakha okungajwayelekile eziklanyelwe ukuthuthukisa ukusebenza kwesakhiwo kanye nokusatshalaliswa komthwalo ezimeni ezinzima ze-geotechnical. Lezi zimpahla ziba nezimo eziyinkimbinkimbi zokukhuthazwa kanye nezicucu ezihlukahlukene noma ezinamakamelo amaningi ezidlula amandla wemigqa ejwayelekile emkhakheni ovundlile noma ophendukayo, kunikeza ukumelana okuthuthukisiwe nokuhamba komthwalo, ukwanda kwamandla okubumba, kanye nokusebenza okuphezulu ezindaweni zomhlabathi eziqhubekayo. Ifomu eliyinkimbinkimbi lifezwa nge-casting exhumene nezinqubo ezikhethekile zokwakha, kuvumela abakhangisi ukuthi bagxile ku-concrete kanye nezakhi zokwakha zensimbi lapho kwenzeka khona ukucindezela kwesakhiwo, okwenza izinto zibe ne-efisiensi yokwakha ezwandisa ikhono lokuthwala ngenkathi kuncishiswa isisindo se-pile. Ama-piles anezigaba eziyinkimbinkimbi asho kakhulu emaphrojekthini aphakeme esizinda sedolobha lapho izikhala ziphonsa imikhawulo kumadobha ama-pile, nakuba umthwalo om vertical kanye nosawoti uqhubeka unamandla. Ekwakhiweni kwemadada, lezi zigaba zenza izidingo eziqinile zama-viaducts aphezulu, izixhumi ezivundlile, kanye nemigomo yokuklama ye-seismic lapho ama-H-piles ajwayelekile noma izigaba ezilula ezinhle zinganele. Izicelo ezisemanzini zisebenzisa izigaba eziyinkimbinkimbi ukuze ziphikishe umthwalo ophambanisa om vertical, nosawoti, kanye ne-torsional owavela emoyeni nasezindleleni ezinzima. Ukwakhiwa kwama-bulkhead emanzini, izinhlelo ze-quay wall, kanye namaphrojekthi ezinsiza zamabhande kuyathola izinzuzo eziphezulu ezikhishwe yimikhawulo eqinile lezi zigaba ezinikeza. Emaphrojekthini wokuhamba phansi—iziteshi ze-subway, izitobha ezikwenziwayo, kanye nezinhlelo zokuphakama komnyama—izigaba eziyinkimbinkimbi zithuthukisa umkhondo womsindo futhi zinciphise ukwehla, okubaluleke kakhulu emhlabeni ophangalele izakhiwo ezithintana nemisebenzi encane. Izinsiza zokuthuthukisa umhlabathi nezokunciphisa zisebenzisa ama-pile anezigaba eziyinkimbinkimbi lapho kukhona okukhuluma khona ukwandiswa kokwakheka ngaphandle kokwakhiwa kabusha. Lezi zimpahla zikhishwa ngokuphelele kwizinyathelo eziphelele noma eziphakanyiswe, ezinamasistimu oxhumo afakwe, zethulwa ngokuhamba kweziqephu ezithile ezikhethekile ezinzima ezinamasayithi wokuphakamisa lapho ama-axes ebeka izikhala zomzimba ezibalulekile. Ukuphathwa kwendawo kudinga ama-crane esikhaleni anokwakhiwa okufanelekile nokuhamba ahauhlanga okwenziwe ngensizakusebenza yokusebenza kokwaziswa okujwayelekile eziphakanyisiwe. Ukufakwa kulandela izinqubo ezijwayelekile zokushaja noma ama-vibratory hammer, nakuba ukucindezela kwe-pile kudinga ukugadwa ngokucophelela ngesikhathi sokubha ngezakhiwo ezinjalo zomphe. Izinguquko ezincane zifaka izigaba ezimaphakathi ezihleli kahle ezinamathiselwe, ama-octagonal noma ama-polygonal profiles akhuphula ububanzi besakhiwo ngenkathi kugcinwa ukumelana nezimfuno zethoni, kanye nezimpahla ezigcwalisa izikhala ezithuliwe. Izinga lokukhuthazwa ngokujwayelekile lisuka ku-BSt 500S (EN 10080) noma uGrade 500 insimbi (ASTM A706), nezidingo zamakhenikha e-concrete zisuka ku-C40/50 kuze kube ku-C60/75 kuye ngokuqhathaniswa okubhemayo nobuningi besakhiwo. Izimiso zokukhetha zifaka phakathi umfanekiso wombuso wombuthano, umthwalo ophakeme kanye nosawoti wokwakha okuhle kokuhlola, izidingo ze-seismic ngokwezinqubomgomo zomphakathi, ukuhlukaniswa kokuchayeka kwendawo (imanzini, imithombo engahlala obala, ukungalungi kwezinto), ukufaneleka kwendlela yokufaka, kanye nezinkinga zesikhathi eside eziphathelene nezimpahla eziphakeme zomzimba nezinto ezivuleka. Izindinganiso eziyinhloko eziqondisile imiklamo nokwakhiwa zifaka i-EN 12794 (ama-pile aqinile), i-EN 206 (izincwadi zokwakha nokusebenza), i-ASTM A252 (ama-pile ensimbi anemigomo efanele ekwakhiweni okukhuthazayo), kanye ne-ISO 2394 (imisindo ejwayelekile mayelana nokwethembeka). Ukuqinisekiswa kwe-Eurocode 2 noma izinqubomgomo zomklamo ezivamile kuqinisekisa ukuthi izakhiwo ziqinisekisiwe ngaphansi zonke izimo zokusebenza nezinkulu zezimali.
Ama-piles aqinile anezigaba eziyinkimbinkimbi ezisemhlanganweni zucukile enza izingxenye eziqinsile zamafourme zesisekelo ezakhiwe ngezakhiwo ezikhethekile zokwakha okungajwayelekile eziklanyelwe ukuthuthukisa ukusebenza kwesakhiwo kanye nokusatshalaliswa komthwalo ezimeni ezinzima ze-geotechnical. Lezi zimpahla ziba nezimo eziyinkimbinkimbi zokukhuthazwa kanye nezicucu ezihlukahlukene noma ezinamakamelo amaningi ezidlula amandla wemigqa ejwayelekile emkhakheni ovundlile noma ophendukayo, kunikeza ukumelana okuthuthukisiwe nokuhamba komthwalo, ukwanda kwamandla okubumba, kanye nokusebenza okuphezulu ezindaweni zomhlabathi eziqhubekayo. Ifomu eliyinkimbinkimbi lifezwa nge-casting exhumene nezinqubo ezikhethekile zokwakha, kuvumela abakhangisi ukuthi bagxile ku-concrete kanye nezakhi zokwakha zensimbi lapho kwenzeka khona ukucindezela kwesakhiwo, okwenza izinto zibe ne-efisiensi yokwakha ezwandisa ikhono lokuthwala ngenkathi kuncishiswa isisindo se-pile. Ama-piles anezigaba eziyinkimbinkimbi asho kakhulu emaphrojekthini aphakeme esizinda sedolobha lapho izikhala ziphonsa imikhawulo kumadobha ama-pile, nakuba umthwalo om vertical kanye nosawoti uqhubeka unamandla. Ekwakhiweni kwemadada, lezi zigaba zenza izidingo eziqinile zama-viaducts aphezulu, izixhumi ezivundlile, kanye nemigomo yokuklama ye-seismic lapho ama-H-piles ajwayelekile noma izigaba ezilula ezinhle zinganele. Izicelo ezisemanzini zisebenzisa izigaba eziyinkimbinkimbi ukuze ziphikishe umthwalo ophambanisa om vertical, nosawoti, kanye ne-torsional owavela emoyeni nasezindleleni ezinzima. Ukwakhiwa kwama-bulkhead emanzini, izinhlelo ze-quay wall, kanye namaphrojekthi ezinsiza zamabhande kuyathola izinzuzo eziphezulu ezikhishwe yimikhawulo eqinile lezi zigaba ezinikeza. Emaphrojekthini wokuhamba phansi—iziteshi ze-subway, izitobha ezikwenziwayo, kanye nezinhlelo zokuphakama komnyama—izigaba eziyinkimbinkimbi zithuthukisa umkhondo womsindo futhi zinciphise ukwehla, okubaluleke kakhulu emhlabeni ophangalele izakhiwo ezithintana nemisebenzi encane. Izinsiza zokuthuthukisa umhlabathi nezokunciphisa zisebenzisa ama-pile anezigaba eziyinkimbinkimbi lapho kukhona okukhuluma khona ukwandiswa kokwakheka ngaphandle kokwakhiwa kabusha. Lezi zimpahla zikhishwa ngokuphelele kwizinyathelo eziphelele noma eziphakanyiswe, ezinamasistimu oxhumo afakwe, zethulwa ngokuhamba kweziqephu ezithile ezikhethekile ezinzima ezinamasayithi wokuphakamisa lapho ama-axes ebeka izikhala zomzimba ezibalulekile. Ukuphathwa kwendawo kudinga ama-crane esikhaleni anokwakhiwa okufanelekile nokuhamba ahauhlanga okwenziwe ngensizakusebenza yokusebenza kokwaziswa okujwayelekile eziphakanyisiwe. Ukufakwa kulandela izinqubo ezijwayelekile zokushaja noma ama-vibratory hammer, nakuba ukucindezela kwe-pile kudinga ukugadwa ngokucophelela ngesikhathi sokubha ngezakhiwo ezinjalo zomphe. Izinguquko ezincane zifaka izigaba ezimaphakathi ezihleli kahle ezinamathiselwe, ama-octagonal noma ama-polygonal profiles akhuphula ububanzi besakhiwo ngenkathi kugcinwa ukumelana nezimfuno zethoni, kanye nezimpahla ezigcwalisa izikhala ezithuliwe. Izinga lokukhuthazwa ngokujwayelekile lisuka ku-BSt 500S (EN 10080) noma uGrade 500 insimbi (ASTM A706), nezidingo zamakhenikha e-concrete zisuka ku-C40/50 kuze kube ku-C60/75 kuye ngokuqhathaniswa okubhemayo nobuningi besakhiwo. Izimiso zokukhetha zifaka phakathi umfanekiso wombuso wombuthano, umthwalo ophakeme kanye nosawoti wokwakha okuhle kokuhlola, izidingo ze-seismic ngokwezinqubomgomo zomphakathi, ukuhlukaniswa kokuchayeka kwendawo (imanzini, imithombo engahlala obala, ukungalungi kwezinto), ukufaneleka kwendlela yokufaka, kanye nezinkinga zesikhathi eside eziphathelene nezimpahla eziphakeme zomzimba nezinto ezivuleka. Izindinganiso eziyinhloko eziqondisile imiklamo nokwakhiwa zifaka i-EN 12794 (ama-pile aqinile), i-EN 206 (izincwadi zokwakha nokusebenza), i-ASTM A252 (ama-pile ensimbi anemigomo efanele ekwakhiweni okukhuthazayo), kanye ne-ISO 2394 (imisindo ejwayelekile mayelana nokwethembeka). Ukuqinisekiswa kwe-Eurocode 2 noma izinqubomgomo zomklamo ezivamile kuqinisekisa ukuthi izakhiwo ziqinisekisiwe ngaphansi zonke izimo zokusebenza nezinkulu zezimali.
Get the latest equipment listings, industry news, and market insights.