1. Yuav ua li cas kho cov pob zeb tawg?
Nov yog yuav ua li cas kho cov pob zeb tawg:
1. Filling txoj kev kho cov pob zeb tawg: Siv cov ntaub ntawv kho kom ncaj qha rau cov pob zeb tawg. Txoj kev tsim kho yog yooj yim thiab tus nqi qis.
2. Cov txheej txheem kev txhim kho cov txheej txheem los daws cov pob zeb tawg: feem ntau yog tsom rau cov kab nrib pleb uas tshwm sim vim kev thauj khoom ntau dhau ntawm lub tsev cov kabmob, cov kab nrib pleb tshwm sim los ntawm hluav taws, thiab lwm yam.
3. Grouting txoj kev kho cov pob zeb tawg: Txoj kev no muaj ntau yam kev siv, xws li cov kab nrib pleb zoo mus rau cov kab nrib pleb loj, thiab tau txais txiaj ntsig zoo.
2. Ua rau pob zeb tawg
1. Kev tsim kho ntawm pob zeb
Shrinking ntawm pob zeb yog ib qho tseem ceeb yam ntxwv thiab muaj kev cuam tshuam zoo rau kev ua haujlwm ntawm pob zeb. Vim tias shrinkage ua rau micro-cracks, dhau sij hawm, cov qauv yuav tawg, deform, los yog puas.
2. Kev kub ntxhov
Yog vim li cas rau cov kab nrib pleb tej zaum yuav yog vim cov cement hydration thaum tshav kub kub accumulated nyob rau hauv yog ib qho nyuaj rau dissipate, ua rau lub internal kub ntawm cov pob zeb yuav tsum siab heev, nto ntawm cov pob zeb kom dissipate tshav kub sai, thiab qhov kub ntawm qhov sib txawv ntawm sab hauv thiab sab nraud. ua loj. Lub siab yog generated nyob rau hauv lub pob zeb, thiab nro yog generated rau ntawm qhov chaw ua rau tawg.
3. Kev txhawb nqa tsis txaus
Hauv peb qhov kev soj ntsuam tiag tiag, cov pob zeb ua vaj tse nrog qhov sib ntxiv loj thiab qhov sib npaug me me muaj qhov sib tsoo ntau dua, thiab cov pob zeb tsis muaj zog muaj cov kab nrib pleb ntau dua li cov pob zeb.
4. Cov khoom siv pob zeb thiab sib xyaw ua ke
Cracks tshwm sim los ntawm qhov zoo ntawm cov khoom siv raw khoom thiab kev sib xyaw tsim tsis zoo cuam tshuam rau lub zog tensile ntawm pob zeb thiab ua rau pob zeb tawg.
5. Kev tu vaj tse
Curing yog ib qho txhais tau tias ua kom cov pob zeb tawv ib txwm. Cov kev kho mob muaj txiaj ntsig zoo rau qhov tshwm sim ntawm cov kab nrib pleb. Nyob rau hauv cov txheej txheem kho, cov pob zeb ua kom zoo ib txwm thiab yuav tsis tawg.