Imithetho Yokubala
(1) Xa kubalwa i-scaffolding yeendonga zangaphakathi nezangaphandle, iindawo ezihlala iingcango neefestile, ii-ring openings, kunye neempawu ezifanayo aziyi kuncitshiswa.
(2) Xa isakhiwo sineendawo ezinobude obahlukeneyo, kufuneka kubalwe ngokwahlukeneyo ubude ngabunye.
(3) Ukuba ububanzi bomsebenzi oqeshwe yikontrakta jikelele abubandakanyi umsebenzi wokugqiba udonga lwangaphandle, okanye ukuba umsebenzi wokugqiba udonga lwangaphandle awukwazi ukusebenzisa i-scaffolding yesakhiwo esiphambili, i-scaffolding yangaphandle yesakhiwo esiphambili okanye izinto ze-scaffolding yokugqiba yangaphandle zingasetyenziswa ngokwahlukeneyo.
IngaphandleI-scaffolding
Ukuphakama kwe-scaffolding yodonga lwangaphandle lwesakhiwo kulinganiswa ukusuka kumgangatho womhlaba ongaphandle oyilwe ukuya kwii-eves. Ubungakanani bomsebenzi bubalwa ngeemitha zesikwere ngokuphindaphinda ubude bomphetho wangaphandle wodonga lwangaphandle (kuquka iiprojekti ezifana nee-piers zodonga eziphuma ngaphezu kwe-240 mm ukusuka kumphezulu wodonga, ezivulekayo ngokwemilinganiselo eboniswe kwimizobo kwaye zibandakanyiwe kubude bodonga lwangaphandle) ngokuphakama.
Kwiindawo eziphakamileyo zokwakhiwa kwezakhiwo ezingama-15 m okanye ngaphantsi, kuya kusetyenziswa i-scaffolding yomqolo omnye; Kwiindawo eziphakamileyo ezingaphaya kwe-15 m, okanye kwiindawo eziphakamileyo ezingaphantsi kwe-15 m apho indawo yeengcango zangaphandle, iifestile, kunye nezinto zokuhombisa zidlula i-60% yendawo yomphezulu wodonga lwangaphandle (okanye apho udonga lwangaphandle luqulathe i-concrete efakwe kwindawo okanye iindonga zebhloko ezikhaphukhaphu), izibalo ziya kusekelwa kwi-scaffolding yomqolo emibini; kwizakhiwo ezingaphezu kwe-30 m ukuphakama, izibalo zinokusekelwa kwi-scaffolding yomqolo emibini eneqonga le-cantilever yentsimbi, kuxhomekeke kwiimeko zeprojekthi.
Kwiikholamu ezizimeleyo (iikholamu zesakhelo sekhonkrithi ezifakwe kwindawo ethile), bala indawo ngeemitha zesikwere ngokuphindaphinda umjikelezo wolwakhiwo lwekholamu (njengoko kubonisiwe kwimizobo) kunye ne-3.6 m eyongezelelweyo ngokuphakama kwekholamu eyiliweyo, kwaye usebenzise into yescaffolding yangaphandle enomqolo omnye. Kwiibhari kunye neendonga zekhonkrithi ezifakwe kwindawo ethile, bala indawo ngeemitha zesikwere ngokuphindaphinda ukuphakama ukusuka kwinqanaba lomhlaba eliyiliweyo langaphandle okanye umphezulu ophezulu weslab yomgangatho ukuya ezantsi kweslab yomgangatho ngobude obunetha bomqadi okanye udonga, kwaye usebenzise into yescaffolding yangaphandle enemigca emibini.
Kwi-scaffolding yepayipi yentsimbi efakwe kwi-cantilever kwiqonga lentsimbi, bala indawo ngeemitha zesikwere ngokuphindaphinda ubude bomphetho wangaphandle wodonga lwangaphandle ngobude boyilo. Ububanzi be-cantilever yeqonga bumiselwe ngokupheleleyo kwiirhafu; xa ufaka isicelo, sebenzisa into efanelekileyo yerhafu ngokusekelwe kubude obuchaziweyo.
| Imeko | Uhlobo lwe-scaffolding |
|---|---|
| Ukuphakama kwezakhiwo zamatye ≤ 15 m | I-Scaffolding yoMgca omnye |
| Ukuphakama > 15 m, okanye < 15 m kunye nezithuba zangaphandle > 60%, okanye iindonga zebhloko ezikhaphukhaphu | I-scaffolding enemiqolo emibini |
| Ukuphakama kwesakhiwo > 30 m | Iqonga le-Double-Row + le-Steel Cantilever |
I-Scaffolding yangaphakathi
Kwizikhonkwane zodonga zangaphakathi kwizakhiwo, apho ukuphakama ukusuka kumgangatho womgangatho ongaphakathi ocetyiweyo ukuya ngaphantsi kwesilingi (okanye phakathi kodonga lwe-gable) kuyi-3.6 m okanye ngaphantsi (ngaphandle kweendonga zebhloko ezikhaphukhaphu), kufuneka kusetyenziswe izikhonkwane zangaphakathi zomqolo omnye; apho ukuphakama kudlula i-3.6 m kodwa kungaphantsi kwe-6 m, kufuneka kusetyenziswe izikhonkwane zangaphakathi zomqolo emibini.
I-scaffolding yangaphakathi ibalwa ngokusekelwe kwindawo eqikelelweyo ngokuthe nkqo yomphezulu wodonga, kwaye kufuneka kusetyenziswe into ye-scaffolding yangaphakathi. Kwiindonga ezahlukeneyo zebhloko ezikhaphukhaphu kunye nezinye iintlobo apho imingxuma ye-scaffolding ingenakushiywa kwiindonga zangaphakathi, kufuneka kusetyenziswe into ye-scaffolding yangaphakathi enemigca emibini.
| Imeko yokuphakama ngaphakathi | Uhlobo lwe-scaffolding |
|---|---|
| ≤ 3.6 m (ngaphandle kweendonga zebhloko ezikhaphukhaphu) | I-Scaffolding yangaphakathi yoMgca omnye |
| > 3.6 m kunye < 6 m | I-Scaffolding yangaphakathi enemiqolo emibini |
| Iindonga zebhloko ezikhaphukhaphu (zonke iindawo eziphakamileyo) | I-Scaffolding yangaphakathi enemiqolo emibini |
I-scaffolding
Kwimiphetho yodonga lwangaphakathi edlula ubude be-3.6 m apho i-scaffolding yokuqala yokwakhiwa ngomthi ingasetyenziswa, i-scaffolding yokuhombisa ingabalwa ngokwemigaqo ye-scaffolding yangaphakathi. I-scaffolding yokuhombisa ibalwa ngokuphindaphinda izinga le-scaffolding yangaphakathi elinemigca emibini ngomlinganiselo we0.3.
Xa umphezulu wokuhombisa wesilingi sangaphakathi uyi-3.6 m okanye ngaphezulu ngaphezu komgangatho ongaphakathi ocwangcisiweyo, i-scaffolding yendawo epheleleyo ingabalwa. I-scaffolding yendawo epheleleyo ibalwa ngokusekelwe kwindawo yangaphakathi ecocekileyo. Xa ukuphakama kuphakathi kwe-3.61 kunye ne-5.2 m, inqanaba elisisiseko liyabalwa. Kubude obungaphezulu kwe-5.2 m, inqanaba elongezelelweyo libalwa kuyo yonke i-1.2 m yokunyuka; ukunyuka okungaphantsi kwe-0.6 m akubalwa.
Inani lamanqanaba ongezelelweyo libalwa kusetyenziswa le fomyula ilandelayo:
Xa ukuhombisa udonga lwangaphandle kungenakukwenziwa kusetyenziswa i-scaffolding ephambili, i-scaffolding yokuhombisa udonga lwangaphandle ingabalwa. I-scaffolding yokuhombisa udonga lwangaphandle ibalwa ngokusekelwe kwindawo yokuhombisa udonga lwangaphandle eyilelweyo, kusetyenziswa izinto ezisemgangathweni ezihambelanayo.Ukupeyinta udonga lwangaphandle okanye umsebenzi wokupeyinta awudingi ukubalwa kwe-scaffolding yokuhombisa udonga lwangaphandle.
Emva kokubala i-scaffolding yendawo epheleleyo ngokwemigaqo, i-scaffolding ayisabalwa kumsebenzi wokuhombisa udonga lwangaphakathi.
Ixesha leposi: Meyi-27-2026
