Isisekelo Esingaphakathi Samathangi Okugcina: Umhlahlandlela Wezobunjiniyela Nokuklama
Kwadalwa ngo Ngokwamukisa
Isisekelo Esingcwatshwe Samathenki Okugcina: Umhlahlandlela Wezobunjiniyela Nokuklama
Isisekelo Esingene Ngaphakathi (esivame ukubizwa ngokuthi isisekelo esingene emgodini noma esesitayeleni somsele) uhlelo lokusekela olusebenza kakhulu lapho umngceleethangi ubambalwa ungcwatshwe noma ungeniswe odongeni oluqiniswe nge-concrete oluhlala ngaphansi kwezinga lomhlabathi. Lo mklamo usetshenziswa ikakhulukazi ukwehlisa isikhungo samandla ethangi, ukuhlinzeka ngokubambelela okungcono kakhulu kwezinyikimo zomhlaba, kanye nokuqinisekisa ukudluliswa komthwalo okuyizinga eliphezulu kwamathangi amakhulu. Kuyisinqumo esikhethwayo ezikhungweni zezimboni ezisebenza ezindaweni ezinokuzamazama komhlaba okukhulu noma lapho isikhala nokuhlanganiswa kobuhle kubalulekile.
1. Indlela Izisekelo Ezingcwatshwe Ezisebenza Ngayo
Ngokungafani nezisekelo ezingaphezu kwaphansi ezihlala phezu komhlabathi, isisekelo esingcwatshwe sakhiwa ngokumba umsele, ukuthela udonga olujulile lwendandatho lukakhonkolo, nokubeka isisekelo sethenki ngaphakathi kuleyo ndawo.
● Ukuqina ngokuzamazama komhlaba: Ngokufaka isisekelo, isisekelo sihlinzeka ngokumelana okwandisiwe ngokuvundlile kumandla "okushukuma" akhiqizwa phakathi nomcimbi wokuzamazama komhlaba.
● Ukuvikelwa kwe-Anchor: Imiklamo efakiwe ivumela ukuhlaliswa kwemihlangano ye-anchor bolt esindayo ngaphakathi kodonga lwe-concrete, ibavikela ekuboliseni nasekuphazamisekeni ngokomzimba.
● Ukusabalalisa Umthwalo: Udonga olujulile lwe-concrete ring ludlulisa isisindo sethangi nokuqukethwe ngqo ezindaweni ezizinzile, eziqinile ngaphansi komhlaba, kunciphisa ubungozi bokuhlala ngokwehlukana.
2. Izinzuzo zobunjiniyela zokugcina izimboni
Umklamo ofakiwe uhlinzeka ngezinzuzo ezicacile zemikhumbi yokugcina enkulu:
● Iphrofayili Ephansi: Ukubuyisela isisekelo kunciphisa ukuphakama okuphelele kokufakwa kwethangi, okungaba kubalulekile ezikhungweni ezinemikhawulo yokuphakama noma ukuchayeka emoyeni omkhulu.
● Ukuvikelwa Okuthuthukisiwe Kwesigamu: Izindonga zikakhonkolo zisebenza njengesivikelo esakhiwe, sivikela isisekelo sethangi ekushayweni izimoto, imfucumfucu, nokudliwa yimvelo.
● Ukufana Kokusekelwa: Ngoba isisekelo sithelwa emseleni kunokuba sihlale phezu kwendawo eyenziwe ngomumo, sifinyelela izinga eliphezulu lokuqina komqambathi nokulingana, okubalulekile ekufakweni kwamathangi amakhulu ensimbi anezikulufu.
3. Izinto Okufanele Zicatshangelwe Ekuklameni Kwesakhiwo
Ukuklama isisekelo esingcwatshiwe kudinga ukuthobela ngokuqinile izindinganiso ze-geotechnical nezakhiwo (njenge-API 650 noma i-AWWA D103):
● Ukudonsa Amanzi Nokuvuza: Ngoba ithangi lingcwatshiwe, ukuqoqwa kwamanzi esisekelweni kuyingozi enkulu. Imiklamo kufanele ifake izinhlelo zokudonsa amanzi ezindaweni ezizungezile ezingochwephesheshe (amathayili okudonsa) kanye nomthambeka omncane ebusweni besisekelo ukuze kuqondiswe amanzi kude nesisekelo sethangi.
● Ukuphathwa Kokugqwala: Ingxenye yesikhumba (shell) esithenjini esingcwatshwe kufanele ivikelwe ngezinto eziphakeme, ezimelana nokugqwala (isibonelo, i-coal tar epoxy noma i-specialized tank-mastic) ukuze kuvinjelwe ukulahleka kwensimbi ngaphambi kwesikhathi ngenxa yokuthintana nomhlabathi isikhathi eside.
● Ukuqinisa Umhlabathi: Umhlabathi/amagrabile agcwaliswe ngaphakathi kodonga lwendandatho kufanele uqinisekiswe ngokwezindinganiso eziphakeme (ngokuvamile >95% Modified Proctor Density) ukuze kuvinjelwe "ukudishwa" (isisekelo esingezansi sethenki sicwilisa maphakathi).
4. I-Comparative Matrix: Ukukhethwa Kwesisekelo
Ngokuthengwa kanye nomklamo wezakhiwo, ukuqonda ukuthi isisekelo esingcwatshwe siqhathaniswa kanjani nezinye izindlela kubalulekile.
Isici | Ifakiwe (Ibuyisiwe) | Ngaphezu Komhlaba (I-Ring Wall) | I-Slab-on-Grade |
Ukuqina kwe-Seismic | Okuphezulu Kakhulu | Okuphezulu | Kuncane/Kulinganiselwe |
Iphrofayili yokuPhakama | Kuncane (Okungene ngaphakathi) | Kulinganiselwe | Okujwayelekile |
Izidingo Zokudonsa Amanzi | Okuphezulu (Kubalulekile) | Kulinganiselwe | Okujwayelekile |
Isivinini Sokufaka | Kancane (Ngenxa yokumba) | Kulinganiselwe | Kuyashesha |
Okulunge kakhulu kwe | Izindawo ze-Seismic, imithwalo esindayo | Izindawo ezonakalisa izinto | Isitoreji esingasindi |
5. Imibuzo Evame Ukubuzwa (FAQ)
Q: Ingabe isisekelo esingaphakathi komhlaba singathinteka ukuqoqeka kwamanzi angaphansi komhlaba?
A: Yebo, amanzi angaphansi komhlaba yiwona ayingozi enkulu ezisekelweni ezingaphakathi komhlaba. Kufanele ziklanywe ngamaphampu e-sump asezingeni eliphezulu noma izinhlelo zokudonsa amanzi nge-gravity ukuze kuqinisekiswe ukuthi umsele awugcini uba yindawo eqoqa amanzi.
Q: Ingabe isisekelo esingaphakathi komhlaba sibiza kakhulu kunesisekelo esingaphezulu komhlaba?
A: Yebo. Izindleko ezihlobene nokumba, ukubopha, ukujula kukakhonkolo, kanye nezinhlelo eziyinkimbinkimbi zokudonsa amanzi kwenza izisekelo ezingaphakathi komhlaba zibize kakhulu kunamaphedi alula angaphezulu. Kodwa-ke, izinzuzo zesakhiwo—ikakhulukazi maqondana nokuphepha kwe-seismic nokuzinza—zivame ukwenza utshalomali olwengeziwe lube lufanele ingqalasizinda ebalulekile.
Q: Ngingasebenzisa isisekelo esingaphakathi komhlaba ethangini le-Glass-Fused-to-Steel?
A: Yebo, inqobo nje izidingo zomkhiqizi we-tank mayelana nokubekezelelana kwe-rim yesisekelo zigcwaliseka. Udonga oluyindilinga lwe-concrete kumele lube luvundlile ngokuphelele, njengoba izimbotshana eziboshiwe ze-tank ye-GFS zizwela ekulayisheni okungalingani okungavela esisekelweni esingelona iphlanethi.
Izisekelo ezifakwe ngaphakathi zimelela "izinga legolide" lokuqina komklamo kwezobunjiniyela ezinkulu zamathangi okugcina. Ngokuhlanganisa i-tank emhlabeni, abaphathi bezindawo bathola ukuphepha okungenakuqhathaniswa kwe-seismic nokusatshalaliswa komthwalo womklamo. Ngenkathi zidinga izindleko zokuqala eziphakeme nobunjiniyela obunembayo bokudonsa amanzi, ziyisidingo esibalulekile sokugcina okubalulekile lapho ukwehluleka komklamo kungewona inketho.
Ngabe njengamanje uhlola izinhlobo zezisekelo endaweni ye-seismic ephezulu noma iphrojekthi enezilinganiso ezithile zokuphakama, futhi ungathanda ukuxoxa ngezidingo zokuhlolwa komhlabathi we-geotechnical ezihlale zihlotshaniswa nemiklamo yezisekelo ezifakwe ngaphakathi?
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