Foundationless Jib cranes, tseem hu ua industrial slab -mounted jib cranes, yog bolted ncaj qha rau hauv pem teb pob zeb uas twb muaj lawm. Siv cov pem teb uas twb muaj lawm txhais tau hais tias koj tsis tas yuav yuav lub hauv paus tshwj xeeb kim kim. Ntxiv rau, koj tuaj yeem nruab thiab siv qhov system sai dua vim tias koj tsis tas yuav tos pob zeb kho. Siv cov pem teb uas twb muaj lawm ua rau kev nkag siab me me thiab luv luv jib cranes. Txawm li cas los xij, muaj kev txwv kom meej meej txog qhov loj npaum li cas ntawm lub crane tuaj yeem ruaj ntseg rau 6-nti tuab pob zeb, thiab tsuas yog tias cov pob zeb ntawd muaj txaus nyob rau hauv cov hlau reinforcement.
Cov pob zeb yog nkig heev thiab tsis muaj zog thaum thauj khoom hauv qhov nro, yog li yuav tsum tau saib xyuas zoo kom cov neeg ua haujlwm nyab xeeb ua ntej bolting ib qho crane mus rau hauv pem teb pob zeb. Qhob, thaum overloaded, tuaj yeem tawg thiab puas tsuaj, uas tuaj yeem ua rau poob qis lossis, qhov phem dua, lub crane poob. Ua ntej xaiv lub hauv paus tsis muaj jib crane, kev suav yuav tsum tau ua los xyuas kom meej tias cov pob zeb uas twb muaj lawm tuaj yeem ua haujlwm tau zoo ntawm crane lub peev xwm ntsuas. Cov kev suav no xyuas kom meej tias koj cov neeg ua haujlwm muaj kev nyab xeeb los ntawm kev puas tsuaj los ntawm kev ua tsis tiav.
Hauv qab no yog qee cov lus nug kom nug ua ntej yuav ib lub hauv paus tsis muaj jib crane:
Puas yog lub chaw tsim khoom lag luam crane muag cov ntaub ntawv hais tias "cov neeg siv khoom yog lub luag haujlwm rau kev txiav txim siab ua vaj tse"? Yog tias qhov no yog qhov teeb meem, koj yuav tsum ntiav ib tus kws tsim qauv hauv zos los ua txhua qhov kev suav uas yuav tsum tau txiav txim siab yog tias koj cov pob zeb uas twb muaj lawm ua tiav tag nrho cov kev cai nyab xeeb ntawm International Building Code (IBC).
Muaj cov chaw tsim khoom crane tau teev tsegyam tsawg kawg nkaus hlaureinforcement thickness, txoj kab uas hla, thiab qhov sib txawv yuav tsum tau ua kom koj cov neeg ua haujlwm nyab xeeb? Lub pob zeb yuav tsum muaj qhov tsawg kawg nkaus ntawm cov hlau los ntxiv dag zog rau cov pob zeb thiab ua kom nws muaj kev nyab xeeb los ntawm kev puas tsuaj thaum siv. Tsis muab cov hlau nplaum txaus los yog siv lub nyias nyias, hlau mesh tuaj yeem ua rau lub pob zeb ua tsis tiav tam sim ntawd. Yog tias qhov loj me ntawm cov hlau tsis tau teev tseg, nws feem ntau yuav yog vimkojyog lub luag haujlwm rau kev ua tiav cov kev suav kom raug los txiav txim siab cov hlau zoo uas yuav tsum tau ua kom koj cov neeg ua haujlwm nyab xeeb.
Puas yog lub chaw tsim khoom crane tau teev qhov chaw tsim nyog steel qhov chaw thiab qhov siab yuav tsum tau ua kom cov pob zeb ua kom zoo thiab ua kom koj cov neeg ua haujlwm nyab xeeb? Yog tsis yog, saib cov lus teb rau cov lus nug 1 thiab 2 saum toj no.
Puas yog lub chaw tsim khoom crane tau teev qhov tsawg kawg nkaus qhov ntev, qhov dav, thiab square footage ntawm pob zeb yuav tsum tau ua kom koj cov neeg ua haujlwm nyab xeeb? Cranes xav tau tus nqi tsim nyog ntawm cov pob zeb ua kom muaj kev nyab xeeb thiab ruaj khov thaum siv. Tsis muab cov khoom hnyav txaus tuaj yeem ua rau muaj kev nyab xeeb thiab tsis ruaj khov.
Puas yog lub chaw tsim khoom siv crane tau teev qhov tsawg kawg nkaus qhov kev ncua deb ntawm crane tuaj yeem ntsia tau los ntawm kev tawg lossis pob zeb ua ke? Qhov ze ntawm lub crane yog mounted rau ib qho seam los yog tawg, qhov tsis muaj zog ntawm cov pob zeb. Yam tsawg kawg ntawm kev nyab xeebyuav tsumtau teev nyob rau hauv txhua rooj plaub kom cov neeg ua haujlwm muaj kev nyab xeeb.
Puas yog lub chaw tsim khoom crane tau teev qhov tsawg kawg nkaus ntsia liaj qhov rooj rub- tawm lub zog? Yog tsis yog, saib cov lus teb rau cov lus nug 1 thiab 2 saum toj no.
Thaum kawg, yog tias tsis ntseeg, nug cov chaw tsim khoom tsis muaj jib crane yog tias lawv muaj cov kev suav ua rauInternational Building Codeuas ua pov thawj qhov kev nyab xeeb ntawm cov pob zeb hauv pem teb lawv qhia.
Paub cov lus teb rau cov lus nug saum toj no yog qhov tseem ceeb los xyuas kom meej cov neeg ua haujlwm muaj kev nyab xeeb nrog lub hauv paus tsis muaj jib cranes. Tias yog vim li cas raws li lub hauv paus tsis muaj jib crane chaw tsim tshuaj paus, Mine crane muab tag nrho cov ntaub ntawv saum toj no thiab ntau ntxiv rau lawv cov Foundationless Jib Cranes. Raws li ib txwm muaj, yog tias koj muaj lus nug, thov hu rau peb hnub no kom paub yog tias tsis muaj jib cranes tsim nyog rau koj daim ntawv thov.
