Polyurethane / polyurea txau tshuabchaw tsim tshuaj paus, cov khoom siv yog tsim rau thermal rwb thaiv tsev, waterproof, anti-corrosion, pouring, thiab lwm yam.
Polyurethane txau yuav tsum tau ua nyob rau hauv ntau qhov chaw.Nco ntsoov tias muaj coob tus neeg tau pom cov txheej txheem ntawm kev tsim kho ntawm polyurethane txau, tab sis lawv tsis quav ntsej kiag li ntawm kev tsim kho cov ntsiab lus ntawm polyurethane txau, thiab tsis paub tias cov txheej txheem kev tshaj lij zoo li cas.Hnub no kuv yuav qhia koj txhua tus Piav txog kev tsim kho ntawm polyurethane txau.

1. Basic interface ua
Lub hauv paus phab ntsa yuav tsum tau raws li qhov yuav tsum tau, lub flatness ntawm phab ntsa yuav tsum yog 5-8 hli, thiab lub verticality yuav tsum tsis pub dhau 10 hli.
A: Cov phab ntsa yuav tsum tau muab ntxuav kom ntseeg tau tias phab ntsa tsis muaj laitance, roj stains, plua plav, thiab lwm yam. Yog tias qhov sib txawv ntawm lub hauv paus txheej yog qhov loj heev, mortar yuav tsum tau thov rau qib.
B: Qhov tsis xws ntawm phab ntsa tau kho nrog cov cement mortar.
C: Thaum cov phab ntsa protrusion ntau dua los yog sib npaug rau 10mm, nws yuav tsum tau muab tshem tawm.
D: Cov kav dej faus, cov thawv xaim thiab cov khoom sib txuas ntawm cov phab ntsa yuav tsum tau muab tso ua ntej, thiab cov kev cuam tshuam ntawm cov thickness ntawm cov txheej rwb thaiv tsev yuav tsum raug txiav txim siab.
E: Ua ntej txau polyurethane ua npuas ncauj, siv cov yeeb yaj kiab yas, cov ntawv xov xwm pov tseg, cov ntawv yas los yog ntoo, plywood los npog thiab tiv thaiv qhov rais, qhov rooj thiab lwm yam ntaub ntawv uas tsis yog txheej.Lub ru tsev qhov rooj thiab qhov rais thav duab yuav tsum tau txau nrog polyurethane ua npuas ncauj ua ntej kev teeb tsa kom tsis txhob muaj kuab paug.

2. Dai kab rov tav thiab elastic tswj kab
Expansion bolts tau muab tso rau hauv qab phab ntsa sab saum toj thiab hauv qab phab ntsa raws li qhov chaw dai ntawm phab ntsa loj dai hlau.Lub theodolite yog siv los txhim kho cov hlua dai rau cov skyscrapers, thiab cov hlau loj yog siv rau cov tsev ntau lub tsev los dai cov hlau nyias nyias, thiab nruj nreem nrog cov hlau tensioner.Txhim kho cov kab ntsug steel ntawm qhov loj yin thiab yang cov ces kaum ntawm phab ntsa, thiab qhov kev ncua deb ntawm cov kab ntsug steel thiab phab ntsa yog tag nrho cov tuab ntawm thermal rwb thaiv tsev txheej.Tom qab dai kab, thawj zaug xyuas qhov flatness ntawm phab ntsa nrog ib tug 2m bar pas nrig ntawm txhua pem teb, thiab xyuas lub verticality ntawm phab ntsa nrog ib tug 2m txhawb board.Qhov project tsuas tuaj yeem ua tiav thaum cov kev cai flatness tau ua tiav.

3. Txau nruj ua npuas ncauj polyurethane
Tig rau ntawm lub tshuab txau polyurethane txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau txhawm rau nws, koj yuav tsum tshem tawm cov tshuaj polyurethane, nws raug nquahu kom siv lub tshuab ziab khaub ncaws).
A: Txau yuav tsum pib ntawm ntug, tom qab foaming, tshuaj tsuag raws ntug foaming.
B: Lub thickness ntawm thawj cov tshuaj tsuag yuav tsum tau tswj ntawm li 10 hli.
C: Lub thickness ntawm qhov thib ob yuav tsum tau tswj nyob rau hauv 15 hli mus txog rau thaum lub thickness yuav tsum tau los ntawm tus tsim.
D: Tom qab polyurethane txhav ua npuas ncauj rwb thaiv tsev txheej yog sprayed, lub thickness ntawm rwb thaiv tsev txheej yuav tsum tau soj ntsuam raws li qhov yuav tsum tau, thiab kev soj ntsuam zoo yuav tsum tau ua raws li qhov yuav tsum tau ntawm kev soj ntsuam batch rau soj ntsuam cov ntaub ntawv.
E: Tom qab txau cov txheej txheej polyurethane rwb thaiv tsev rau 20 feeb, siv lub planer, tes pom thiab lwm yam cuab yeej los pib ntxuav, luas lub shading, tiv thaiv cov khoom thiab cov protruding qhov chaw uas tshaj qhov thickness ntawm 1cm.

4. Painting lub interface mortar
Kev kho mob polyurethane interface mortar yog nqa tawm 4 teev tom qab cov txheej txheem polyurethane raug txau, thiab cov tshuaj sib txuas sib txuas tuaj yeem sib npaug ntawm cov txheej txheem polyurethane rwb thaiv tsev nrog cov menyuam.Txhawm rau ntxiv dag zog rau kev sib xyaw ua ke ntawm cov txheej txheem rwb thaiv tsev thiab txheej txheej tiaj tus, tiv thaiv kev tawg thiab tawg, thiab tseem tiv thaiv cov txheej txheem polyurethane los ntawm kev raug tshav ntuj thiab ua rau yellowing thiab chalking.Tom qab txau cov polyurethane interface mortar rau 12-24 teev, kev tsim kho cov txheej txheem tom ntej yog nqa tawm.Nco ntsoov tias polyurethane interface mortar tsis tuaj yeem txau rau hnub los nag.

5. Kev tsim kho ntawm cov tshuaj tiv thaiv kab mob mortar txheej thiab txheej txheej
(1) Xim tiav
① Siv cov tshuaj tiv thaiv kab mob thiab tso cov ntaub alkali-resistant mesh.Lub alkali-resistant mesh yog hais txog 3m nyob rau hauv ntev, thiab qhov loj yog pre-txiav.Cov tshuaj tiv thaiv kev sib tsoo feem ntau ua tiav hauv ob qhov kev hla, nrog rau tag nrho cov tuab ntawm 3mm txog 5mm.Tam sim ntawd tom qab so cov kab nrib pleb-tiv taus nrog thaj tsam sib npaug ntawm daim ntaub mesh, nias lub alkali-resistant mesh daim ntaub nrog ib tug hlau trowel.Qhov sib tshooj dav ntawm cov ntaub alkali-resistant mesh yuav tsum tsis txhob tsawg tshaj li 50 hli.Tam sim ntawd nias lub alkali-resistant mesh daim ntaub nrog ib tug hlau trowel nyob rau hauv kev txiav txim los ntawm sab laug mus rau sab xis thiab los ntawm sab saum toj mus rau hauv qab, thiab qhuav overlapping yog nruj me ntsis txwv tsis pub.Lub yin thiab yang cov ces kaum yuav tsum tau sib tshooj, thiab qhov sib tshooj dav yuav tsum yog ≥150mm, thiab qhov squareness thiab verticality ntawm yin thiab yang fab yuav tsum tau lav.Cov ntaub alkali-resistant mesh yuav tsum muaj nyob rau hauv lub mortar anti-cracking, thiab paving yuav tsum du thiab wrinkle-dawb.Lub mesh tuaj yeem pom vaguely, thiab mortar puv.Cov khoom uas tsis puv yuav tsum tau ntim tam sim ntawd nrog cov tshuaj tiv thaiv kev sib tsoo rau lub sijhawm thib ob rau qib thiab compact.
Tom qab kev tsim kho cov tshuaj tiv thaiv kab mob ua tiav, xyuas qhov smoothness, verticality thiab squareness ntawm yin thiab yang ces kaum, thiab siv cov tshuaj tiv thaiv tawg rau kev kho yog tias nws tsis ua raws li qhov yuav tsum tau ua.Nws yog nruj me ntsis txwv tsis pub siv cov cement mortar waistline, lub tes tsho qhov rais, thiab lwm yam ntawm qhov chaw no.
② Tshem tawm cov dej-resistant putty thiab siv cov xim tiav.Tom qab txheej txheej tiv thaiv kom qhuav, txhuam cov dej hloov tau yooj yim-resistant putty (ua tau tiav rau ntau zaus, lub thickness ntawm txhua scraping yog tswj ntawm li 0.5 hli), thiab txheej txheej yuav tsum du thiab huv si.
(2) Cib tiav
① Siv cov tshuaj tiv thaiv kab mob thiab kis kub-dip galvanized welded hlau mesh.
Tom qab cov txheej txheem rwb thaiv tsev raug kuaj xyuas thiab lees txais, cov tshuaj tiv thaiv kev sib tsoo yog siv, thiab cov tuab yog tswj ntawm 2 hli mus rau 3 hli.Txiav qhov kub-dip galvanized welded hlau mesh raws li qhov loj me, thiab muab tso rau hauv ntu.Qhov ntev ntawm qhov kub-dip galvanized welded hlau mesh yuav tsum tsis pub tshaj 3m.Txhawm rau kom ntseeg tau tias kev tsim kho zoo ntawm cov ces kaum, qhov kub-dip galvanized welded hlau mesh ntawm cov ces kaum yog pre-folded rau hauv lub kaum sab xis ua ntej kev tsim kho.Nyob rau hauv tus txheej txheem ntawm txiav lub mesh, lub mesh yuav tsum tsis txhob muab folded rau hauv tuag folds, thiab lub hnab tshos mesh yuav tsum tsis txhob tsim thaum lub sij hawm tso txheej txheem.Tom qab lub mesh qhib, nws yuav tsum tau nteg nyob rau hauv lem nyob rau hauv txoj kev.Zinc welded hlau mesh kom nws nyob ze rau ntawm qhov chaw ntawm cov tshuaj tiv thaiv tawg, thiab tom qab ntawd thauj tog rau nkoj kub-dip galvanized welded hlau mesh ntawm lub hauv paus phab ntsa nrog nylon expansion bolts.Flatten qhov tsis sib xws nrog U-puab clip.Lub dav dav ntawm qhov kub-dip galvanized welded meshes yuav tsum tsis pub tsawg tshaj 50 hli, tus naj npawb ntawm cov khaubncaws sab nraud povtseg yuav tsum tsis txhob ntau tshaj 3, thiab cov pob qij txha yuav tsum tau kho nrog U-shaped clips, steel hlau los yog thauj tog rau nkoj bolts.Cement ntsia hlau thiab gaskets yuav tsum tau siv rau qhov kawg ntawm kub-dip galvanized welded hlau mesh nyob rau sab hauv ntawm lub qhov rais, parapet phab ntsa, kev sib haum xeeb sib koom, thiab lwm yam, thiaj li hais tias lub kub-dip galvanized welded hlau mesh yuav tsau rau. lub ntsiab qauv.
Tom qab qhov kub-dip galvanized welded hlau mesh tau nteg thiab dhau qhov kev tshuaj xyuas, cov tshuaj tiv thaiv kev sib tsoo yuav tsum tau siv rau lub sijhawm thib ob, thiab kub-dip galvanized welded hlau mesh yuav tsum tau qhwv hauv cov tshuaj tiv thaiv tawg.Cov txheej txheej mortar tawg yuav tsum ua tau raws li qhov yuav tsum tau ua ntawm flatness thiab verticality.
② Cov pobzeb veneer.
Tom qab kev tsim kho cov tshuaj tiv thaiv kab mob ua tiav, nws yuav tsum tau muab tshuaj tsuag kom zoo thiab kho, thiab cov txheej txheem veneer muab tshuaj txhuam tuaj yeem ua tiav tom qab li 7 hnub.Lub thickness ntawm lub cib sib tsoo mortar yuav tsum tau tswj nyob rau hauv 3 hli mus rau 5 hli.