Imithwisto ye-Tiyubhi ye-Scaffolding ye-BS1139
Isiqhelo neqoqa le-Standard ye-BS1139
Imi standadu ye BS1139 yayizwa ngoba abantu baphumele ukuthi kudingeka kube nephakathi lelimali lelithi kubekwa kwezinkampani zokuthutha emhlabeni wokuthutha. Ekuqaleni, abasebenzi babona ukuthi ngaphandle kwezimiso eziqinileyo zokuthutha, izinto zazilingana ngem danger emkhakheni. Le standadu yinhloso evela kwezinye izinhlansi ezifundisa ngokuthutha. Thatha inhlansi ye-1, iyachaza iyiphi indawo ephindwa nezilumbe zokuthutha kudingeka isebenziswe, ukuqinisekisa ukuthi lezi zinto eziphakeme ngaphansi kwabasebenzi zinezimelwane ezinokuthutha. Lezi zindlela ezinhle zibaluleke kakhulu ngoba zivumela ukuthi izakhiwo zibe yinkimbinkimbi, izinto zibe yinkimbinkimbi futhi yonke into ikhulume ngakufuphi kwezokuthutha. Okwengeziwe emkhakheni wokuthutha emhlabeni wonke uyasebenzisa lezi zimiso manje, okushukuma kwezindlela zokuthi zibe yinkimbinkimbi futhi yizinto ezithuthayo esingake sithutha kakhulu ngaphandle kwezinye izikhathi.
Umkhiqizo wamagugu kunye nokwenza
Iitubu zokuthutha kwe-BS1139 zenziwa ngokuphelele kwiindlela ngoba akukho mntu ofuna ukuba itiyo leyo iyahluka xa bonke baphumelele kulo. Indlela enjalo iyasebenzisa iindlela eziphelele kwiimeko efanayo ezinezinto eziphambene ngokomdla njengekhadiyamane, isilika, ifosiforasi, isiwefele, kunye ne-nitrojeni. Xa kuzokwenziwa le itubu, ubunzima be weld buphumelela kakhulu ngokuba ngamanye amanye kufuneka akwazi ukulondoloza umda ophambene ngaphandle kokuhluka. Siyavuma ngokunzima kwe tensile okuqala kwi-340MPa kwaye ukuya kwi-480MPa apha. Le mitha yonke ayiyi nje amanani aqhelekileyo kwiicandelo kodwa inqanaba eliphelekileyo lezithuba ezidinga ukulingana nezisombululo zokuphepha zizonke. Kwabanye abasebenzisa izindawo zokuvuleka, le meko kuthetha ukuba kubonakala ngokwenene ukuba kusebenza ngokuphepha okanye kuthathwa ngendlela engenakuphepha xa kusebenzela ngokunzima kunye nokuba yiliphi ixesha elibangelwa yinto ngalinye ephambene nayo xa kusebenza ngemihla ngemihla.
Imisebenzi Embalwa Emakhishini
Amapayipi e-BS1139 avela yonke indawo emsebenzini wokwakha kulezi zinsuku kungakhathaliseki ukuthi kulungiswa izakhiwo ezindala noma kuhlanganiswa amaphrojekthi amakhulu engqalasizinda. Abantu bayazithanda ngoba ziyakwazi ukugoba futhi zilungele izimo ezihlukahlukene ngaphandle kokuwa, okuzenza zibaluleke lapho abasebenzi bedinga okuthile okuguquguqukayo nokuphephile. Ngokwesibonelo, izakhiwo zezentengiselwano noma amabhuloho, abaqashi abaningi bathembela kakhulu kule ndinganiso lapho besungula izakhiwo zesikhashana zokweseka phakathi nezigaba zokwakha. Okugqama ngempela ukuthi kulula kanjani ukuguqula ukwakheka kwe-scaffolding ngokuvumelana nalokho okudingwa umsebenzi ngamunye. Ukulandela imihlahlandlela ye-BS1139 kusho ukuthi wonke umuntu osendaweni yokuthola izinto uvikelekile ezingozini. Sibone izakhiwo eziningi ezihlaba umxhwele emhlabeni wonke lapho abaklami beye basebenzisa imiklamo eyinkimbinkimbi kodwa nokho bakwazi ukuqedela konke ngokuphepha ngenxa yezinhlaka ezifanele ezilandela lezi zincazelo eziqinile.
Imigomo ye-JIS Standard Scaffolding Tube
Izicelo ze-JIS 3444 Zalwayo
I-JIS 3444 ikhona kakhulu ngokuba yenxenye ethile yokuhlinzela ukuba izikhelo zokuthanda nezifiso, ngoba iyachaza ngokuhle lini ezitayela zokubhala kwezinye zokusebenziswa kwezokudla. Le ndlela yase-Japan iyahlinzela ukuthi zonke lezi zicathami zokuthanda ziphumelela kakhulu ezinye izikhathi zokuphepha, okuyakunceda ukuba amakhaya ayikhlinde lapho abasebenzi baphakeme. Ukubheka ukuthi kanjani le ndlela iyadingana nezinye izikhathi zasemhlabeni ngokwesibonelo BS1139 kubonisa amadiffrence angcono. I-JIS 3444 inquma kakhulu kumaphakathi nezikhathi zokuphepha, okuqukethwe kakhulu ngokuba yinto enqunyiwe kakhulu ngokwezinhlobo zase-Japan nezikhathi zokudla. Thatha i-BS1139 ngokwezibonelo iyasebenza kahle esemhlabeni ngokwesibonelo kodwa i-JIS 3444 ngokwengeziwe ihloniphiwa emhlabeni ngokwesibonelo China ne-South Korea ngoba iyafanisa kahle nezinhlobo zazo zokudla kanye nokuthi iyahlinzela amaphoyinti amathile aqondile emhlabeni.
Iingceke Zegolide Kunye Nenkxenyano Yokuqina
Imiklasi yesithandi JIS njenge STK400 no STK500 sigcwele yaba ngamagqoko ongasebenziswa kakhulu kwi scaffold amanye ngoba aziqhema ngokugqagqisileyo. Okuqukethwe kwiintambo zesiqhamo nguwo wazo ukungcola ingculu kwaye yilowo into encinci ngoba iiscaffold zilungiswa ngokudlulwa kwezinyanga, ishukela kunye nezinto zokugcwala eziphakamileyo kwiindawo zokudlulisa. Ukugcwala iintambo zesiqhamo kunika inkosobo yonge ngokungcola, oko kuyakuhlala kugcina abasebenzi kwaye kuthathe isimo sokuphephile kwiintambo ngemva kwesikhathi eside. Iindlela zokugcinwa zokugqitha ukungcola kwiiscaffold zithatha ukuba iiscaffold zilungiselelwe ngokufanelekileyo, zilungisa ngokuphindwe kabini kwaye ngokungu 25% ngaphandle kwezinto ezingagcinwanga. Le ndawo yokuphephile kuthatha ukuba kuncinci ukutshintshwa kwaye ukulungiswa ngokuvavanyo, oko kuyakuhlala kubonisa ukuba kunjani abasebenzisi bokudlulisa bahlala bayinga ngqo kwiindlela zokugcina zokuphephile nangona zinzima kwaye zinzima ukwenza ngokwemva kwezindlela zokuqala.
Ukuthuthwa kwezifundazwe eMakhathini ye-Asia
Imicaba ye-JIS scaffolding iyasebenzisa ngokuvamile e Asia, kungeza e Japan lapho iyiyo ndawo ethiwa yabo yonke inkambo yokuvikela kwezokwelapha. Abantu ehlonywa ukucacile kanye nokuphepha kwezomthwali, okwaziwa ukuthi kuthanda lezi zinhlobo. Futhi, imigwaliso ye Japan iyaziwa ngokuthi kudinga ukulandela lezo zinhlobo zokuvikela kwezokwelapha. I South Korea ne Taiwan kanye na, ngisho nazo izinhlobo zazo zokuvikela kanye nezindlela zokuvikela zazo ziyafanana nezase Japan. Bheka ukuthuthukiswa kwezinhlobo zokuvikela e Japan zokuthi izinhlobo zokuvikela zase Shinkansen zokuthuthukiswa kwezindawo zokuvikela zasekhanda lelilanga - lezi zindawo ezikhulu zokuvikela yayisebenzisa ngokuvamile imicaba ye-JIS. Ukuthi lezi zinhlobo ziyaqaphela ngokuvamile noma kungabi nomsebenzi obuningi kuyavuma ngokwethemba abasebenzisi bazo babalwa ngazo noma kungabi nomsebenzi obuningi.
BS1139 vs JIS: Amantengo Athathwe
Umkhiqizo Nezindlela Zokwenza
Ukuba ubheke kani BS1139 nokuthi izimo zilandelayo kuhlela ngokuhlanganisa nezinhlobo zokwenza izinto zibonisa ukuchanya okukhulu ekulandeleni kakhulu kweziciro nekuphila kwezinto. BS1139 isile indawo yokwenza izimo ePhuzeke kanye nokuthi kungenzeka ukuthi kube nezinto eziphakeme ngokukhulu njengokweqwa okuphathelene nezinye izinto eziphazeni ngokukhulu ngokuthi kudinga kakhulu futhi kungena ngokushesha kakhulu. Ngendawo enye yaseNingizimu, izimo zaseJapane (JIS) zidinga ukuthi kube nezinto eziphikisanene nezinye eziphikisanene nezinye ezitholakale kakhulu emenjeni. Lokhu kungenzeka ukuthi kube yini emenjeni yaseAsia, lapho izinto eziphikisanene ziyasebenza kahle ngokukhulu noma kube nezinye izinto eziphikisanene.
- Ukulawulwa Kwekhwalithi : I-British Standards (BS1139) iyasebenza ngokwemigomo encinci yesewela nezindlela zokuhlinzela kakhulu, ukuqinisekisa ukusebenza okuphephile kwematerial. Izinhlamvu ze-JIS ziyaqaphela ukuthi kufunyenyeke kwenyani, okungaba nokuthintana nokulingana kwale ndlela.
- Ukutholwa : Ukutholwa kwe-British Standards (BS1139) kungenjani abathengisi base-Eropi noma baseMhlaba wonke, ukuqinisekisa ukuba kukhona ukubangelwa phambili kwezimali. Imaterial ye-JIS ngokwesibonelo itholakala endaweni yakithi, iyayiqaphela ukuvumelana nezifunda nekutholakalwa.
Iindlela zokusebenza ngokwemboni bongqina ukuba le miphumela yokuvelisa iyahlukana ngokwezifiso ukwenza i-scaffolding ingasebenzi ngokuhambelana neemeko kwaye neempilo eziphathwayo.
Imigaqo yeDiyamita kunye neBiphephelello
Iimigaqo ze-diyamita kunye ne-biphephelello ayebelela ngokukhawuleza iinkenkebilitya zokulayisha iindleko kunye nokuphepha kwegesha. Kwi-BS1139 kuyahlwa ukuba iyilwa diynamika yangaphandle engu-48.3mm, okuyamasandiwe ngayo iintsuku zamatrikiwe zangasemkhumbini, ekunika iqondo elikhulu lokuphephileyo.
- Ubuthi bokhedzelo : I-BS1139 inceda ukuba ibe ngobude obuphakeme ngokulinganisa na-JIS, ekunikela inkxalabo yakhe xa kubaleka iindleko ezinkulu. Ngokomdla, i-JIS ingavumelani ubushushu kwibiphephelello ukunceda ukuthuthwa kweemeko ezahlukene.
- Iimpawu Zokulayisha Iindleko : Idatha enombolo konke kwi-BS1139 ikhombisa ukugcinelwa komthombo oqinisekileyo odwelisako ukwahluka kweendleko kunye neempilo zokulayisha, ekunika imisebenzi emininzi kwiimeko zokudlulisa.
Lezi zinto zombandana ukwakhiwa kakhulu kokusebenza ngokuhambisana nokwelapha kwabasebenzi nezimali eziphila.
Ukuchazwa Kwamandla Okulayisha
Xa kufika kumaqondo wescaffold, i-BS1139 ne-JIS aqiniseza izikhali ezahlukene kakhulu ngokusebenza kwabo okubangela kanjani ukusebenza kwezakhiwo kuzindlela zokusebenza ngokwemhlabanga. Loqo laseBritani laseBS1139 laseqiniseza ubunzima obuningi ngokusebenzisa imithetho yokuvikela ngokulandelana. Lokhu kuthi kusivikelela ukuthi izakhiwo ezidilwe ngokwaleli qoqo kungenzeka ukuthi bahlale ngemiphethelela ngisho noma kungaphakathi kwezindawo zokusebenza. Ngendlela yokudla, i-Japanese Industrial Standards (JIS) ingaba yinhlekele kakhulu ngoba yilokhu kuyilwe ngokwezemidlalo yezakhiwo ehlukene. Izinombolo zokusebenza kungakhathazwa ngokwehlukahlukene kudinga lapho kusebenza, okungaba yindlela yokuthiwa kakhulu yabaqondile ngabasebenzisi bangojwayelekile engaziwa ngokwehlukahlukene kwemigqa.
- Izisebenziso Esebenzweni : Ezindleleni zokusebenza, lezi zimpendulo ziyadinga ukuthi iwebhola iyilindelekile kumasekelo amaningi. Izimpendulo zeBS1139 akeke kuzo zonke indawo zomphakathi lapho kudingekayo ukuthi kube nemigomo yesifiso esikhulu.
- Izaziso Zezinduna : Abakhubekeli besendzmeni bazeke ukuthi izikhumbuzo ze-BS1139 ziyisemlelo yokuhlanza ukuthi ukucaca kwezokweyiswa kube nephepha lemandla ngokujwayelekile.
Le mlinganiselo ikhombisa ngqo ukuthi kanjani le kapasiti yokuqina kuyahlukene kangcono ukwenza ukusebenza okuphephile kwesikweyiswa endaweni ezahlukene zokudla.
Ukufaniseka Nokusetshenziswa Kwasekhaya
I-BS1139 eziphathimizweni zamakoti Afrika-Ntshonalanga
Iitubu zokuxakisa zika BS1139 zibonakala kuzo zonke izindawo, kwiindlela eziningi nezokudlala ezingiweyo ngemhlabeni wonke, ngoba usebenza ngendlela efanelekileyo ukuhlinzela amakhiwane. Ukuthola ukuthi tibishwe ke tibhungeni kufanele uyindlela echanekileyo ukubonisa ukutheyi kuyavumelana neezicelo zaseBritaniya. Abasebenzisi kufanele bacheke kwehluleyo kanye nezicelo zokudizayini ngokulingana nezicelo zaseBritaniya bese kuthiwa kusebenza. Fakela ukuthi kwezindlu zaseDubai eziphethwe kamva njengomfano ongcono oshowa ukuthi ukuvumela kahle kukaBS1139 kukwenza ishishini. Abangcali baphakathi babize ukuthi kuncane ukuguqula okudingekayo kwisikhungo ngoba konke kubhile kuyavumelana nezicelo eziphambene. Abakhankatha bokudlala abaningi bokuthi kuyinto engokubhala kuphela ukuvumela kukaBS1139 kodwa yinto enjalo enguhlobo lokuhlinzela ukuthi itubu yisendle iyahlakneyo ngale ndawo ezimfushane ezingiweyo emhlabeni wonke.
Ukugcinwa kwe-JIS kwinfrastruktshi ya Japanese
Izindinganiso ze-JIS zikhona yonke indawo emsebenzini we-scaffolding waseJapane, empeleni zifakwe endleleni izakhiwo ezakhiwa ngayo lapho. Sekungamashumi eminyaka manje, i-JIS ngokuyisisekelo isho ukufakwa kwe-scaffolding esezingeni eliphakeme nephephile, ebumba iningi lamaphrojekthi amakhulu okwakha ezweni lonke. Lapho sibheka imisebenzi emikhulu yengqalasizinda njengokwakha amabhuloho noma ukubeka imigqa emisha yezitimela, la mazinga enza umehluko wangempela ekugcineni abasebenzi bephephile ngenkathi kwenziwa izinto ngempumelelo. Izinkampani ezenza umsebenzi wokwakha zibika ukuthi zihambisana kahle nezidingo ze-JIS, okungenzeka ukuthi lokhu kuchaza ukuthi kungani amaphrojekthi amaningi kangaka eqedwa ngesikhathi ngaphandle kwezinkinga ezinkulu. Lezi zindinganiso zisebenza njengohlobo oluthile lwamazinga egolide embonini okuqinisekisa ubuqotho bezakhiwo, zinikeza abakhi namakhasimende ukuqiniseka ukuthi noma yini eyakhiwayo iyokwazi ukuhlolwa futhi ihlale iminyaka eminingi.
Ukuhlanganiswa nezinhlelo ze-Couplock nezikhitya ezijwayelekileyo (A-Frame)
Imicabango ye-BS1139 ne-JIS scaffolding iyasebenza ngokukhulu nezicabango zokuxhuma kanye nezicaba zase-A-frame, okwenza yabo ngokungcono ekuseni. Xa le micabango iyahlanganiswa, abasebenzi bafumana okungcono kuphela kodwa yonke into iyabulala ubukhokho kwaye iyasemqile, ngoko ke sikhathini esingaphansi sokuphuka kwezinto. Imiklanklankiso nayo iyenza ukuba izinto zihlanyele ngokukhulu xa kusakhiwa noma ukususwa kwezicaba, into ababophelela abaphathi besicathami xa bakhetha imigomo yabo yokuphepha. Imicabango yezilandelo zaseqophelo zazo zonke iziqhelo zokusebenza zibonisa ukuba izicathami ezisebenzisa le micabango engqondweni zineziphazamiso ezifewekile. Abaphathi bezokuphepha bafana bazaqapha ukuba ukuxhunywa okungcono akuyona kuphela ukulondoloza amadoda kodwa kuyona into enqo, ngoba bonke bazi ukuphepha kwezicaba ezakhiwe ngendlela engavumelekile kubasebenzi ngemva kenyanga.