Iphayiphi zensimbi ziwumsebenzi obalulekile wephethini yokulayisha, zenziwe ngaphakathi kwezinga eliphezulu le-steel ethintekwe ngokushisa noma yaziwe, eziklanyelwe ukuba ziqhathaniswe futhi zenzeke izindonga eziqhubekayo ezihambisana nezicelo zokwesekwa komhlaba zexesha elithile nez permanently. Iqukethe izigaba zensimbi ezakhiwe ngezinga lokwakha elijwayelekile elibhalwe kumazinga avela ku-S235 kuya ku-S450, lezi zingxenye zinemikhawulo ethintwayo (i-clutches) ezivumela ukuba zisebenze njengohlelo lokwakha oluhlangene uma zishaywa noma zishaywa emhlabathini. Amandla, ukuqina, nokuphindaphinda kwalesi sithako kukwenza kube ukukhetha okuhehayo kumaphrojekthi athile e-geotechnical aphakeme ahlukaniswe ngezikhathi eziningi noma izigaba. Ekuqondeni kwemfundiso yemfundiso yeziqhamo zokwakhiwa kwezinsiza zomhlaba, iphayi yesimbi iyizakhiwo ezisemqoka zokugcina kumasistimu okuvikelwa kokumba (ESS), ikakhulukazi kumasayithi wokwakha emadolobheni, ukwandiswa kwezitimela nezindlela, ukuthuthukiswa kwezindawo zasolwandle, nokwakhiwa kwemithambo yokufaka. Zisetshenziswa ngobuningi kumaphrojekthi wombhede we-diagram, ezinhlelweni zokuhlala ezisenzila impilo yendawo yokwakha, kanye nezisebenzi zokusekela lapho ukwakhiwa okujwayelekile kancane kubonakala kungasebenzi kahle. Ngaphezu kwalokho, iphayi yesitimela iphakamisa izibopho ezibalulekile ekulawuleni amandla, ukuguquguquka kwemifula, izithiyo zokuvikela izixuku, kanye namaphrojekthi okwelapha imvelo adinga izindonga eziqinile. Iphayiphi yensimbi ikhiqizwa ngokuvamile njengemigqa ejwayelekile ehlanganiswe neziqondiso ze-EU noma zomhlaba wonke, ngezindleko ezivela ku-10 kuya ku-30 metres ngokuvumelana nokujuliswa kwephrojekthi kanye nezimo zomhlabathi. Ukufakwa kudinga izinto ezikhethekile zokushaya, izishayeli eziphakamisa, noma izinhlelo ze-hydraulic press, futhi amandla okuphinda-khombisa kwalesi sithako kukuvumela ukuba kubuyiswe, kuhlanzwe, futhi kubuyiselwe emisebenzini eminingi - inzuzo enkulu yokuhlala nezindleko. Ukulawula endaweni kudinga ukufinyelela okufanele emhlabathini ofanayo ukuze kuvinjelwe ukuguquka; ukuqinisekiswa kokushaywa kwesikhashana kubalulekile ngesikhathi sokufaka ukuze kugcinwe ubude nokuvikela ukucindezela, ikakhulukazi emhlabeni ojulile noma okhukhulelwe kakhulu. Izimpawu eziyinhloko zisuselwa kumthamo wombono: imigqa ye-beam evamile (UBM) ethokozisa ukumelana nokuhlukumeza okuthokozisayo; i-Z-profiles ne-U-profiles eziklanyelwe izicelo ezinzima, ezimfishane; kanye nemikhakha ehlelekile ye-flange evulekile yokuhlola isikhathi esikhulu samamoyenti ekwazisweni okuphezulu. Izigaba ezijwayelekile zamandla zifaka i-S235JR (umthamo wokukhuthazeka 235 MPa) für izicelo ezivamile, i-S355J2 (355 MPa) ezimfunyela ezinzima, kanye nezinga eliphezulu elinjenge-S450J0 ezindaweni ezinqunyelwe ezidinga ububanzi be-walls obuphansi. Abendezisi bakhetha iz specifications zezithako ngokuhlola amamoyenti ahlukanisiwe, ukuphakama kwezindonga, ifu lomhlabathi, izimo zomsebenzi, indlela yokufaka, kanye nesikhathi sephrojekthi. Ukuhlaziywa kwe-geotechnical okujwayelekile kuhola ekwakhiweni kwejuba elifanele, izidingo zokusiza ezithombeni, nokuthi ukufakwa okwesikhashana noma okuphakeme kulungile. Ukuhlola izindleko nenzuzo kuvame ukuhlinzeka ngaphezulu kokufakwa okuphilayo ngaphezu kwezinhlelo zokwakha ezahlukene, ikakhulu uma isikhathi sephrojekthi noma izimo zomhlaba zivimba izindlela zokwakha ezijulile. Izinkambiso zomhlaba jikelele nezokucacisa zihlanganisa i-EN 12063 (ukwenziwa kwemithambo eyenziwe ngokwenziwa kwemigqa), i-EN 1993-5 (ukwakhiwa kwe-steel piling), i-ASTM A6 (amajolwane ensimbi namaphayiphi), kanye ne-DIN 19545 (ukwakhiwa nokuhlinzeka kwe-iphayi zensimbi). Ukuqinisekiswa nalezi zinkambiso kuqinisekisa ukusungulwa kokuthembeka kwenkambiso, ukuphepha, nokwamukelwa kwezobuchwepheshe phakathi kwemakethe yaseYurophu nakwamanye amazwe. Abakhiqizi bavame ukuhlinzeka ngemibiko ye-surfacing eveza ukwakheka kwezakhi, izimpawu ze-mechanical, kanye ne-accuracy yokusebenza, okuyidokhumenti ebalulekile yokuhlola umqondo nokufaneleka kwezinsiza kwi-professional deep foundation contracting.
I-U-profile, eyaziwa nangokuthi i-U-shaped noma i-channel-shaped sheet pile, yisixhobo sesitilini somububuzulu esinezakhiwo zokugxilisa okuvaliwe ekwenziwe ukwandisa ukusikisela kumqondisi nomandla wokuthwala emapulazini azinzima futhi nabucwaninga bomhlaba. Lezi profayili zenziwe ngesitilini sombuthanzi sokukhanya okophakamiskayo, ngokuqonde, kunombilankanca ewamulwamule phakathi kwe-355 ne-450 MPa, kuye ngomgangatho wokusebenzisa nokuhlukanisa igreyidi. Ubujula be-cross-section buvamile kusukela ku-300 kuya ku-600 mm, kunombubuzulu womhlangani kusukela ku-7 kuya ku-16 mm noma okukhulu, okwenziwe ukunikeza isigalelelo esiphakamekayo somububuzulu ekuqhathaniswa nomaqakula owomile noma avulekile. Isichazi-mlobi se-U-profile yisiqalakala sesistimu yokukhaya ekuphakamayo ngezintambo ezinomdulela, okuthi kusethintekele amapili alandelayo ayokhaya buthinteke futhi akhazikele umthwalo omilandelano, ozivikela kwamanzi ephakamekayo okuziphakela umhlaba nelinganisiwe.
Amapili e-Z-profile sesitilini yisiqalakala sokhuphela esikhethiwe ekwenziwe amapiloni esikhashana nangapakade ekubulandelisisiwe, ekusekheleni ekusiphakamiseni, futhi emapulazini azinzima. I-Z-shaped cross-section ikhona izivakavaki zombili eveza phakathi kwewebhu ekhulayo, okukunikeza amakhumalo akhuphelelanayo phakathi kwamapili alandelayo uze akhazikele umthwalo omilandelano, ozivikela kwamanzi noma kunezinsizane zwamanzi. Lolu uhlobo alukufani ne-I-beam noma ne-U-profile configurations futhi lunikeza isigalelelo esiphakamekayo somububuzulu emagubini enezindlela ekhulayo, ikakhulukazi ekumkhakheni yedolobha lapho amakontenisha enhlalakahle nomyalelo womshini bazisela ukulungiselela okukaqubekile kunoma kancane ukulimaza umhlaba.
Amapili omile awomile ayisisekelo esiyisisekelo somububuzulu obasebenziswa emapulazini azinzima nokwakhiwa kubucwaninga bomhlaba. Lezi zixhobo zesitilini ziqukethe amaphaleni akhaya anezindlela ezomile, ezigcinwe ezivikelekile ngengelilinye emhlabeni uze akhazikele umthwalo omile owamukela. Zenziwe sesitilini eshaya umunyu, amapili omile awomile avamile kusukela ku-10 kuya ku-40 millimeters kunombubuzulu futhi enziwe ukusebenza njengamapiloni esikhashana nezingapakade ekubulandelisisiwe. Igxilisa eliyafanayo likaniyoniseli elithandekayo lekhadi lenhlobo izisekelo zesitilini ngokugcwaliswa, futhi siqalakala sesistimu yokukhaya emapilini alandelayo okusigula izivakavaki zomhlaba, okuzikhetheke ngokuqonde ekukhumusha kwamanzi kumaphakathi acunabene.
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