Yuav ua li cas ceev faj yuav tsum tau coj thaum txiav thiab drilling galvanized square kav dej thaum lub sijhawm teeb tsa?
Txog kev txiav, nws raug pom zoo kom siv cov abrasive cutter lossis ntshav cutter (kom tsis txhob muaj cov oxygen txiav thiab hlawv cov pa oxygen txiav). Txog kev drilling, siv lub rooj ntev txav los siv cov laum. Tom qab DRILLING, thov zinc muab tshuaj txhuam rau qhov txiav thiab qhov kom tsis txhob xeb ntawm cov hlau raug.
Dab tsi yog cov hau kev rau txuas galvanized square kav?
Cov hau kev sib xws suav nrog: vuam (siv galvanized vuam hlau thiab bolding), poling (haum rau cov kav dej sib txuas Bolts raug pom zoo rau kev sib txuas sab nraum zoov kom tsis txhob ua kom qhov zinc txheej zinc.
Kuv tuaj yeem txhim kho kev ruaj khov thaum txhim kho sab nraud galvanized square yeeb nkab railings?
The bottom of the column should be buried in concrete (depth ≥ 30cm, concrete strength C20), or fixed to the ground with expansion bolts (bolt diameter ≥ 12mm, at least two bolts per column). For large railing spans (>2m), cov kev txhawb pab txhawb ntxiv. Yog hais tias galvanized square kav dej loj hlob nyob hauv zos xeb tom qab ntev-}}}}}}}}}} yuav tsum tau kho?
Ua ntej, tshem tawm cov xeb (siv cov xuab zeb (siv cov xuab zeb lossis cov neeg tuaj yeem tshem tawm xeb, zam kev puas tsuaj rau ib puag ncig Zinc Txheej). Tom qab ntawd, siv cawv los ntxuav cov roj kom huv. Thaum kawg, thov ib qho zinc {{2} Raws cov tshuaj txhuam (xws li zinc hmoov xim) kom tuab ze rau kev tiv thaiv zoo.
Yog tias galvanized square kav yog siv los ua cov kav dej kav dej, dab tsi ua ntej-}}}} kev kho mob?
Ua ntej, yaug cov yeeb nkab sab hauv (tshem zinc slag thiab hmoov av sab laug dhau ntawm kev tsim khoom). Txheeb xyuas sab hauv rau smoothness (tsis muaj burrs los tiv thaiv cov dej ntws tsis kam lossis thaiv). Siv cov zaub mov - b} sealant thaum ua kev sib txuas (kom tsis txhob muaj paug ntawm cov dej nrog cov qauv ntawm cov qauv). Tom qab kev teeb tsa, ua qhov ntsuas hydrostatic tsis kam, ntau dua lossis sib npaug nrog 0.6 MPa, tswj siab rau 30 feeb yam tsis muaj xau).