I-pored bored enye uhlobo lwenqwaba yekhonkrithi eqinisiweyo, esetyenziselwa ukuxhasa izakhiwo eziphezulu ezivelisa imithwalo enzima. I-pored bored iyindawo ekhonkcekileyo apho kukho iipilisi ezikrakra kufuneka ziphonswe kwisayithi yokwakha, ngelixa ezinye iipilisi zekhonkritri ezifana ne-Spun Pile kunye ne-Strengthened Concrete Square Pile zi-predkridi ze-concrete.
Amashishini adibeneyo aphethwe ngokusebenzisa umatshini wokubumba okhunileyo owenzelwe izixhobo zokubumba, iibhakethi kunye neengxowa, ezisetyenziselwa ukususa umhlaba kunye nedwala.
Ngokuqhelekileyo, ingasetyenziselwa ukubetha kwi-50 m inzulu yomhlaba. Enye yeenzuzo eziphambili zesistim esibuhlungu ukuba asiyi kuvelisa ubuninzi bezitshukumo kwaye izinga lezandi liyancitshiswa xa kuthelekiswa neenkqubo zemveli zokubhala.
Izicelo zeShaft Shafts
Ngokuqhelekileyo, iipolisi eziqhathayo, okanye iingubo ezixutywayo, zisetyenziselwa ezo zakhiwo ezide okanye izakhiwo ezinkulu zoshishino, ezifuna iziseko ezinokuthwala umthwalo wamawaka eetoni, mhlawumbi ezinokungaqiniseki okanye imeko ezinzima zomhlaba. Indlela yokubamba iipilisi ezibuhlungu ihluke kwi-RC Square ipilisi okanye i-spun ibhokhwe, eyenziwa ngokusebenzisa indlela yokuqhuba kunye nomshini wokubamba ukusetyenziswa kuya kuhlukile. Ukukhwabanisa okusebenzayo kudinga ukuba uchwepheshe ongekhenkce ekubambeni ukontraka endaweni yokusebenzisa isonkontileka jikelele. Kukhona indlela elula-ngeyinyathelo elula malunga nendlela yokubethelela inqwaba enobumba kwiziko lokwakha.
Ukulwa neengxaki zeNkqubo yePilisi enobuhlungu
Njenganoma yiphina enye inkqubo eyisiseko, iinkqubo ezibuhlungu ziba nemingeni yazo ukuze zenzeke.
Masiqale ngokubonisa ukuba indlela yokubumba iya kuxhomekeka kumhlaba womhlaba, ngoko kufuneka ube nombiko ophandekileyo wophando lomhlaba oya kukunceda ukuba uchaze ukuba yeyiphi i-teknoloji yokubamba kufuneka iqhutywe. Yiyo isipiliyoni sokwenza ityala, ukugqiba iteknoloji yokuchwela ngokufanelekileyo nokunciphisa ukuphazamiseka komhlaba.
Ngomhlabathi ongahambelaniyo onjengeemisatyambo, iigravel, i-silts, nokuba ingaba ngaphantsi kwetafile yamanzi okanye cha, imingxuma kufuneka ixhaswe ngokusebenzisa iibhokisi zensimbi okanye udaka oluzinzileyo ezifana nokumiswa kwe-bentonite. Isisombululo se-bentonite ngokwenene kwaye ufuna ukuphepha ukuba kunokwenzeka. Xa le nqubo igqityiwe, ibha yokuqiniswa iya kugxothwa endaweni kwaye ikhonkrithi iya kuthululwa kwingxuma.
Iingxobo ezixhamlekileyo
Iintlobo eziphambili zeepilisi ezikratshiweyo okanye iingubo eziqhotyoshelweyo kwizithuba eziqhelekileyo okanye ezinye iintlobo zeembalo zibandakanya:
- Iipilisi zamade aguquguqukayo zinganwetshwa ngehlabathi elincincileyo okanye ekhukhulayo, kwizinto ezifanelekileyo zokuthwala.
- Iibilwa zinganwezelwa kwiqondo eliphantsi ngaphantsi kwe-frost yokungena , kunye nokutshintsha kwexesha lomswakama.
- Ukucubungula okukhulu kunye nokubuyela emva kokunciphisa kuncitshiswa.
- Ukuphazanyiswa okuphantsi komhlaba.
- Ukungabikho kokugungqa akuyi kuphazanyisa iipilisi okanye izakhiwo ezikufutshane.
- Iimpawu ze-caissons eziphezulu kakhulu ziyafumaneka ngokunyusa isiseko se-shaft kuze kube kathathu ububanzi be-shaft, ngokugqithiseleyo ukuphelisa ukwakhiwa kwee-caps kumaqela amaninzi amanqwaba.
- Kwiimeko ezininzi zokuyila, iipilisi ezixhamlayo zinikeza amandla aphezulu kunye noqoqosho olungcono kunokuba ziqhutshelwa.
Ukubethelwa ngokugqithiseleyo kuyathandwa ukusetyenziswa ekwakheni njengesiseko, ngokukodwa kwizakhiwo zebridge kunye nezakhiwo ezide. Umsebenzi wokubumba unobungozi kufuneka wenziwe ngumbhali okhweleyo owenza unkonkontrakta, oqhekezayo oqeshwe ngokuqhelekileyo akakwazi ukwenza lo msebenzi ngaphandle kwamava kunye nolwazi malunga neenqwelo ezibuhlungu.