Cov txheej txheem ntau tshaj plaws yog cov pob zeb ua vaj tse. Txawm hais tias muaj cov yam ntxwv zoo heev, tsis ntev los sis tom qab lub pob zeb pib tawg, cov kab nrib pleb tshwm. Qhov no ua rau kev xav tau kev tsim kho dua tshiab. Kev kho hauv pem teb nyob ntawm seb qhov hnav thiab qhov nyuaj ntawm qhov teeb meem. Tsis tas li ntawd, nws tuaj yeem siv sijhawm ntev heev thiab feem ntau yuav tsum muaj kev txawj ntse thiab cov cuab yeej tsim nyog.
Kev kho vaj tse hauv pem teb yuav xav tau rau ntau yam teeb meem, suav nrog:
- tawg vim hnav lossis kev co ntau dhau;
- kev puas tsuaj saum txheej;
- tshwm sim ntawm qhov tsis sib xws thiab cov poholes;
- kev puas tsuaj ntawm seam pob qij txha;
- kev puas tsuaj ntawm screed.
Txhua qhov kev puas tsuaj uas tau teev tseg tuaj yeem rov tsim kho dua, ua tsaug uas nws muaj peev xwm rov ua kom zoo nkauj thiab ua haujlwm zoo hauv pem teb. Xav txog yuav kho hauv pem teb li cas, nrog rau cov piv txwv tshwj xeeb.
Kawcracks
Technology rau kev kho cov kab nrib pleb yog nyob ntawm lawv qhov tob thiab qib kev puas tsuaj ntawm ntug.
Nyob rau hauv cov xwm txheej uas cov kab ntawm qhov pib puas tsuaj ntawm cov pob zeb pom nyob rau ntawm cov npoo ntawm qhov tawg, nws tsim nyog nqa tawm daim kab xev kho. Txhawm rau ua qhov no, ib lub strip yog txiav raws qhov tawg hauv pem teb, qhov dav thiab qhov tob uas nyob ntawm qhov degree ntawm kev puas tsuaj. Lub resulting sawb yog ntxuav kiag li ntawm plua plav thiab coated nrog ib tug primer raws li epoxy resins. Tom qab kev kho mob ua ntej, cov kab noj hniav yog sau nrog ib qho tshwj xeeb npaj sib tov. Qhov saum npoo yog leveled thiab sab laug kom qhuav tag, tom qab uas nws yog polished. Yog tias qhov kev kho hauv pem teb yog tshwm sim los ntawm kev puas tsuaj tob, ntau tshaj 4-6 cm, qhov sib tov yuav tsum tau siv rau hauv ob peb txheej.
Cov kab nrib pleb me me uas tseem tsis tau ua rau muaj kev puas tsuaj loj rau txoj kev ua vaj tse tuaj yeem kho tau siv cov khoom siv polymer lossis cov kev daws teeb meem uas muaj cov nplaum. Qhov tseem ceeb tshaj plaws yog ua kom tiav kev npaj ua haujlwm kom raug thiab ntxuav cov kab nrib pleb los ntawm kev sib kis.
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Koj tuaj yeem tshem tawm qhov tsis sib xws nrog kev sib tsoo zoo tib yam, ob qho tib si siv tshuab, siv lub tshuab tshwj xeeb, thiab phau ntawv. Kev kho cov pothole yog txheej txheem thev naus laus zis ntau dua. Ib daim duab plaub raug txiav raws li ib puag ncig ntawm kev puas tsuaj, qhov tob ntawm qhov sib npaug ntawm qhov tob ntawm qhov kev puas tsuaj. Siv lub tshuab nqus tsev vacuum, plua plav thiab cov khoom seem ntawm lub tsev raug tshem tawm. Sab hauv ntawm lub duab plaub yog kho nrog ib tug polymer los yog epoxy muaj pes tsawg leeg thiab saukho mix. Qhov saum npoo yog ua tib zoo leveled, qhuav thiab polished.
Restoring the coupler
Kho cov screed hauv pem teb tuaj yeem ua tau ntau txoj hauv kev:
- Txoj kev txhaj tshuaj suav nrog kev sau cov kab noj hniav ntawm exfoliated ib feem tshwj xeeb thiab ntxiv dag zog rau nws. Ua li no, nws yog ib qho tsim nyog los txiav txim qhov loj ntawm delamination los ntawm tapping. Siv lub laum, koj yuav tsum tau laum qhov nyob rau hauv qhov chaw ntawm exfoliated screed thiab siv ib tug syringe ncuav epoxy rau hauv cov qhov.
- Qee qhov xwm txheej, thaum kho hauv pem teb, cov screed tuaj yeem ua kom muaj zog ntxiv. Ua li no, qhov chaw puas yog ntxuav ntawm plua plav thiab kho nrog primer, nyob rau saum cov kua nplaum yog siv. Fiberglass yog siv rau qhov chaw kho mob kom txog thaum nws qhuav. Cov chaw raug tso cai kom qhuav zoo thiab siv cov impregnation tshwj xeeb. Tom qab hardening, thaj ua rau thaj yog sanded.
