Kev Txhim Kho Lag Luam Ua Ntej, Kev Ua tiav Zoo - EHONG Ruaj Ntseg Kev Txiav Txim Tshiab rau Square Tubing

Tus neeg siv khoom rau kev koom tes no yog ib lub tuam txhab lag luam hlau tshaj lij nyob hauv tebchaws Australia uas feem ntau teb rau qhov kev thov hauv zos rau ntau yam khoom siv hlau. Lub tuam txhab feem ntau ua haujlwm ntau yam khoom yuav khoom nrog cov kev cai nruj, muab qhov tseem ceeb rau kev teb sai ntawm cov neeg xa khoom thiab kev xa khoom yooj yim. Thaum xub thawj, tus neeg siv khoom tau tiv tauj peb los ntawm cov kev lag luam, qhia meej tias lawv xav tau ib pawg ANSIH-beamsthiab muab cov lus qhia ntxaws ntxaws thiab lub hom phiaj yuav khoom. Thaum tau txais daim ntawv thov, peb tau npaj daim ntawv hais nqe tam sim ntawd thiab ua tib zoo xyuas cov kev ntsuas ntawm ANSI H-beams kom paub tseeb tias qhov tseeb ntawm daim ntawv hais nqe. Paub tias tus neeg siv khoom yog lub tuam txhab lag luam thiab tej zaum yuav muaj lwm yam kev xav tau hlau, peb tsis txwv peb cov lus teb rau cov khoom tshwj xeeb uas lawv nug txog. Hloov chaw, peb tau sau cov npe khoom tiav ntawm peb lub tuam txhab thiab xa mus rau tus neeg siv khoom, nug seb lawv puas xav tau lwm hom hlau. Tsis tau xav txog, qhov kev taw qhia me me no tau dhau los ua qhov tseem ceeb hauv kev ruaj ntseg kev koom tes no.

Tom qab tau txais cov lus hais thiab cov khoom teev npe, tus neeg siv khoom tau teb sai sai. Ntxiv nrog rau kev lees paub cov ntsiab lus ntawm tus qauv Asmeskashlau H beamcov lus hais, lawv tau hais meej tias lawv muaj kev xav tau me me rau cov raj xa dej square hauv lub sijhawm ze. Txawm hais tias qhov ntau me me, lawv xav tau tias ob qho tib si zoo thiab cov qauv ua tau raws li cov lus qhia, thiab lawv tau hais meej meej tias lawv tuaj yeem tso xaj tam sim ntawd yog tias tus nqi yog qhov zoo. Peb tam sim ntawd tau siv lub sijhawm no thiab nug kom meej txog cov lus qhia tshwj xeeb thiab cov khoom siv xav tau raucov raj plaub fabTus neeg siv khoom tau qhia rau peb tias lawv xav tau cov kav dej plaub fab ua los ntawm Q355B hlau uas ua raws li tus qauv GB / T 6728-2017, siv rau cov qauv tsev hauv zos.

Cov raj plaub fab Q355B yog ib hom hlau ua vaj tse uas siv ntau. Ua cov hlau ua vaj tse uas tsis muaj hlau ntau, lawv muaj zog thiab lub zog tensile zoo dua li cov hlau carbon ib txwm. Lawv tuaj yeem tiv taus cov khoom hnyav dua rau tib qhov ntev thiab muaj zog zoo heev thaum kub tsawg, ua rau lawv haum rau ntau yam kev siv ua vaj tse nyuaj thiab ua tau raws li cov kev xav tau ntawm cov neeg siv khoom.

Tus qauv GB/T 6728-2017 yog tus qauv tshwj xeeb hauv Suav teb rau cov khoom siv ua los ntawm cov khoom siv txias. Nws muaj cov kev cai nruj heev rau qhov tseeb ntawm qhov ntev, qhov sib txawv ntawm cov duab, thiab cov khoom siv kho tshuab ntawm cov raj plaub fab, kom ntseeg tau tias cov khoom zoo thiab ua tau raws li cov qauv zoo ntawm cov neeg siv khoom.

Tom qab peb nkag siab txog cov neeg siv khoom xav tau cov raj plaub fab, peb tau kuaj xyuas peb cov khoom muag tam sim ntawd thiab pom tias peb muaj cov lus qhia tseeb hauv Tshuag, tsis tas yuav tsim khoom ntxiv. Siv peb qhov zoo ntawm cov khoom lag luam, peb tau muab tus nqi sib tw tam sim ntawd thiab piav qhia rau tus neeg siv khoom tias txhua yam khoom hauv Tshuag tau dhau los ntawm kev tshuaj xyuas zoo, ua raws li GB / T 6728-2017 tus qauv thiab Q355B cov ntaub ntawv qhia, thiab npaj txhij rau kev tuaj tos tam sim ntawd.

Tus neeg siv khoom txaus siab heev rau peb cov khoom muaj thiab tus nqi. Tsis muaj kev yig, lawv tau lees paub sai sai rau qhov kev txiav txim plaub fab. Thaum tham txog cov nqe lus ntawm kev koom tes, tus neeg siv khoom tau hais kom siv cov nqe lus lag luam EXW, nrog lawv npaj lawv tus kheej kev thauj mus los kom tuaj tos cov khoom.

Txoj kev no yooj yim heev rau peb ua haujlwm thiab ua tau raws li qhov xav tau ntawm cov neeg siv khoom. Peb tau pom zoo tam sim ntawd thiab muab cov ntaub ntawv qhia txog peb qhov chaw nyob hauv Hoobkas thiab cov txheej txheem tuaj tos rau tus neeg siv khoom. Peb tau npaj ua ntej los ntawm kev khaws cia, sau cov khoom, thiab tshuaj xyuas cov khoom kom ntseeg tau tias tuaj tos tau yooj yim thaum tus neeg siv khoom tuaj txog.

Qhov kev koom tes nrog lub tuam txhab lag luam Australian no tsis yog tsuas yog ua rau peb tau txais kev txiav txim xwb tab sis kuj qhia txog qhov tseem ceeb ntawm kev pabcuam ua ntej thiab cov khoom muaj txaus. Peb yuav txuas ntxiv mus tswj hwm txoj hauv kev ua ntej thiab ua tib zoo no, nthuav peb cov khoom muag tam sim ntawd, thiab ua kom zoo dua peb cov txheej txheem kev pabcuam. Peb yuav tsis tsuas yog ua kom tau raws li peb cov neeg siv khoom xav tau xwb tab sis kuj tseem yuav txheeb xyuas cov cib fim rau kev koom tes. Tib lub sijhawm, peb yuav tswj hwm qhov zoo ntawm cov khoom kom ntseeg tau tias txhua pawg ua tau raws li cov qauv tsim nyog, siv peb txoj kev ua haujlwm thiab kev ncaj ncees kom tau txais kev lees paub ntawm cov neeg siv khoom txawv teb chaws ntau dua.