Hereof, Uwubala kanjani umthambeka wezitebhisi? Umthambeka wezitebhisi ubalwa ngefomula ye-trigonometric okungukuthi I-Tanθ elilingana nesilinganiso sokuphambene nokuseduze kunxantathu ongakwesokudla njengo-Tanθ = okuphambene/okuseduze, kanye no-θ = tan^-1 (okuphambene/okuseduze), futhi leli nani le-theta (θ) lizosinika ukuthambeka kwezitebhisi ngamadigri .
Ikuphi ukukhuphuka nokugijima kwezitebhisi ezifanele? Umthetho ojwayelekile (e-US) uthi 7-11 (ukuphakama kwamayintshi angu-7 kanye nokugijima okungu-11 intshi) (17.78cm-27.94cm). Ngokuqondile, asikho ngaphezu kuka-7 3/4 amayintshi (19.7cm) esikhuphukeleni (sime mpo) kanye nobuncane obungamayintshi angu-10 (25.4cm) wokunyathela (okuvundlile noma isinyathelo).
Ukwengeza Imuphi umthambeka omkhulu wezitebhisi? Imithetho ye-OSHA yezitebhisi zezimboni ivumela inani eliphezulu 45 degree ukwehla kwezitebhisi. Izidingo ze-IBC zezitezi zokuphuma zivumela kufikela ku-engeli engu-32.4 degree kumthambeka wezitezi.
Uyini umthetho we-18 wezitezi? Umthetho wokuqala usho lokho i-rise plus run (r+R) kufanele ilingane namayintshi angu-18. Kungani? Yilokho abantu abaningi abakuthola kuwukuhamba ngokunethezeka ezitebhisini eziningi. Ungakopela kancane uye phezulu noma phansi, kodwa ngaphansi kuka-17” nangaphezulu kuka-19” kuzoholela ezinyathelweni ezidinga amagxathu angaba amakhulu kakhulu noma amancane kakhulu kubantu abaningi.
Ithini ikhodi yokuphakama kwezitebhisi?
(1) Ukuphakama kwazo zonke izinyathelo ezitebhisini kuzoba hhayi ngaphansi kuka-4 amayintshi noma mkhulu kuno-7 1/2 amayintshi. (2) Ukugijima akufanele kube ngaphansi kwamayintshi angu-10 njengoba kukalwa ngokuvundlile phakathi kwezindiza ezime mpo zokuqagela okuningi kokunyathela okuncikene.
Ingabe isinyathelo esingu-8 intshi siphezulu kakhulu? Amakhodi wokwakha ezindaweni eziningi achaza ubude besinyathelo esiphezulu kanye nobubanzi obuncane bokunyathela, kodwa ezindaweni lapho kungachazwanga khona, uMkhandlu Wezikhulu Zokwakha ZaseMelika kanye NoMkhandlu Wekhodi Yezizwe Zonke zombili zincoma ukuphakama ukuthi hhayi ngaphezu kwama-intshi angu-7.75 futhi igijima ukuze ingabi ngaphansi kwama-intshi angu-10.
Ingabe izitezi ezingu-45 ziwumqansa kakhulu? Isitebhisi esijwayelekile sinokunyathela okungu-11" kanye nezikhuphukeli ezingu-7". Ukusebenzisa lobo bukhulu izitebhisi eziku-45° kuzoba nokunyathela okungu-7″ (okuncane kakhulu) okunokuphakama okungu-7″ noma okungu-11″ okunokunyuka okungu-11″ (okukhulu kakhulu). Ngakho yebo, isitezi esingu-45° siwumqansa kakhulu futhi okubaluleke nakakhulu asisondeli ngisho nokuhlangana nekhodi yesakhiwo.
Kuyini ukuphakama okuphezulu kwesinyathelo?
(1) Ukuphakama kwazo zonke izinyathelo ezitebhisini kuzoba hhayi ngaphansi kuka-4 amayintshi noma mkhulu kuno-7 1/2 amayintshi. (2) Ukugijima akufanele kube ngaphansi kwamayintshi angu-10 njengoba kukalwa ngokuvundlile phakathi kwezindiza ezime mpo zokuqagela okuningi kokunyathela okuncikene.
Futhi Uyini umthetho we-17 18 inch ekwenziweni kwezitebhisi? 17-18 INDLELA - ONE RISE 24-25 INDLELA - INANI LOKUPHUMA OKUBILI KANYE NOKUGIJIMA KWESINYATHELO ESILODWA KANYE NOKUGIJIMA KWESINYATHELO ESILODWA KUFANELE KULINGANE PHAKATHI KOKULINGANA PHAKATHI KAMA-Intshi angu-24 kanye nama-25. UKUKHULA OKUNINGI OKUNGU-73/4 AMAIntshi KANYE NOBUNCINANE BOKUGIJIMA KWESINYATHELO SAMA-Intshi angu-10.
Ithini ikhodi yokwehla kwezitebhisi?
Ukufika kwezitebhisi okuncane okunconyiwe ubude ngu-36″ (noma ubude nobubanzi obukhulu ngokwanele kunokushwibeka komnyango uma kukhona umnyango obanzi). Lokhu kwehla kwezitebhisi noma ubukhulu beplathifomu kuvame ukuvezwa “njengobuncane obungama-intshi angu-36 lapho uhamba khona.
Kungani izitebhisi zineLip? Inhloso eyinhloko yekhala ukuthuthukisa ukuphepha kwezitebhisi. Njengoba iphuma kancane phezu konqenqema lokunyathela, inikeza indawo eyengeziwe ukuze abasebenzisi babeke izinyawo zabo.
Ukunyathela kufanele kulenge kangakanani isikhuphukeli?
Izidingo ezamukelekile zokuncibilika ngokwe-IRC protrude 3/4″ ukuya ku-1-1/4” ukudlula ubuso besikhuphukeli noma ulayini okhuphukela phezulu ukuze uqinisekise ukuthi uhamba ngamayintshi angu-10. I-overhang inyusa indawo yokubeka unyawo ekunyatheleni, kodwa ayishintshi ukujula kokuhamba, noma inyathela ukujula ngaphansi kwencazelo ye-IRC.
Ingabe izikhuphukeli ziyadingeka ezitebhisini?
I-ADA isho lokho zonke izitebhisi nezitebhisi kufanele zibe nokuphakama okufanayo kokuphakama kanye nobubanzi bokunyathela. Esinye isigaba siphinde sithi ukunyathela kwezitebhisi akukwazi ukudlula isikhuphukeli sesitebhisi ngaphezu kuka-1/2" futhi kufanele kugotshwe noma kubhibhidwe ukuze kuvinjwe ukuwa kusukela esinyathelweni.
Sijule kangakanani isinyathelo esimaphakathi? Isilinganiso Sobude, Ububanzi, Nokujula
Isilinganiso sobude besinyathelo eMelika singamayintshi angu-7.5. Ukujula ngokuvamile cishe 9 amayintshi. Ngokuya ngobubanzi, noma ingxenye ende yezitebhisi, ngokuyinhloko ifika kumninikhaya.
Ingabe izitebhisi zidinga izikhuphukeli? Izikhuphukeli eziqinile azidingeki ezitebhisini ezingadingeki ukuthi zithobelane neSigaba 1009.3, ngaphandle kokuthi ukuvuleka phakathi kokunyathela akuvumeli ukudlula kwendilinga enobubanzi obungamayintshi angu-4 (102 mm).
Bungakanani ubude besinyathelo?
Izimfuneko Zokuphakama Kwezitezi Ezijwayelekile
I-OSHA 1910.25(c)(2) idinga izitebhisi ezijwayelekile ukuze zibe nesikhuphukeli esiphezulu sobude Amasentimitha angu-9.5 (24 cm). I-IBC 1011.5. 2 idinga ukuthi ukuphakama kwezitebhisi kufanele kube amayintshi angu-7 (178 mm) umkhawulo namayintshi angu-4 (102 mm) ubuncane.
Kungani izitebhisi zikhuphuka kangaka ezindlini ezindala? Izitebhisi ziwumqansa endlini endala ngenxa yezizathu ezahlukene. … Futhi, izinyathelo eziphakeme zazikhona okuvame kakhulu ngenxa yokuthi igumbi lendlu eyanele ngaphakathi kwezitebhisi belingeyona into ebaluleke kakhulu. Abantu bebebancane kunanamuhla futhi bekungeyona into enkulu ukwehlisa ikhanda lakho kancane njengoba wehla ngezitebhisi.
Ingabe isinyathelo esingu-10 intshi siphezulu kakhulu?
Amakhodi wokwakha ezindaweni eziningi achaza ubude besinyathelo esiphezulu kanye nobubanzi obuncane bokunyathela, kodwa ezindaweni lapho kungachazwanga khona, uMkhandlu Wezikhulu Zokwakha ZaseMelika kanye NoMkhandlu Wekhodi Yezizwe Zonke zombili zincoma ukuphakama ukuthi kungabi ngaphezu kwamayintshi angu-7.75 futhi igijima ingabi ngaphansi kwama-intshi angu-10.
Isinyathelo kufanele sibe ne-overhang engakanani? Izidingo Zokungena
Ukukhala kokunyathela, kholwa noma ungakholwa, kunobuncane bekhodi kanye nobuningi bokuthi amaphrojekthi okukhala akude kangakanani esitebhisini esilandelayo. Kudingeka ama-nosings ukuze ulengiswe a ubuncane obungu-¾-in. kufikela ku-1-¼-in.
Ngizenza kanjani izitebhisi zami zijule?
- Khipha ikhala lokunyathela okukhona ukuze ukunyathela ngakunye kungaphumeleli ngale kwesikhuphukeli sebhodi.
- Linganisa amagxathu akhona bese usika amabhodi amasha ekunyatheleni ngakunye. …
- Sabalalisa ingcina yesakhiwo ngokulinganayo phezu kwezitebhisi zokuqala.
- Beka isitebhisi esisha endaweni yokuqala. …
- Ngenisa izipikili ezingama-intshi angu-2 emigodini.
Ingabe izitebhisi stringers 2×10 noma 2×12? Kwamukelekile futhi ngaphakathi kwemihlahlandlela yekhodi yokwakha ukusebenzisa noma yikuphi 2×10 noma 2×12 dimensional izingodo zokudala isethi yezitebhisi; Nokho, intambo yezitezi akufanele ibe ngaphansi kwama-intshi angu-3.5 ububanzi endaweni yayo encane ukuze inikeze amandla anele omthwalo izitebhisi ezizowusekela.
Buyini ububanzi bezitebhisi obukhululekile?
Ezindaweni ezivamile zomphakathi kufanele kuhlangatshezwane okungenani nama-44” (112 cm)—okunikeza indawo eyanele yomuntu oyedwa futhi kuvunyelwe ukudlula okumpintshana kwabantu ababili. Ububanzi bezitebhisi zabantu ababili abanethezekile phakathi kuka-49” (125 cm) kuya ku-60” (152 cm). Kubasebenzisi abathathu ngesikhathi esisodwa, kunconyiwe okungenani okungu-74” (188 cm).