Cov txheej txheem:
Video: Dab tsi ua rau cov qhab nia hauv pob zeb ua ke?
2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17
Kev nthuav tawm ntawm cov dej khov sab saum toj saum npoo av pob zeb maj mam tawg, ua rau me me qhov ntxa uas txuas ntxiv mus. Lub voj voog khov-thaw, raws li nws paub, yog qhov ntau tshaj plaws ua ntawm pitting hauv pob zeb.
Ib yam li ntawd, koj tuaj yeem nug, dab tsi ua rau pitted pob zeb?
Pitting txawm li cas los yuav ua los ntawm kev ua tiav tsis zoo ntawm cov pob zeb , kev sib xyaw ua ke tsis zoo, kev siv tsis raug ntawm lub accelerator lossis txawm tias muaj hnub nyoog laus. Pitting tuaj yeem qee zaum npog thaj tsam loj ntawm hauv pem teb thaum spalling tuaj yeem tsim tau ntau dua.
Tsis tas li ntawd, dab tsi ua rau spalling hauv qhob? Muaj ntau ua ntawm qhob spalling ; lawv suav nrog kev tso chaw tsis raug ntawm pob zeb thiab nws txhawb ntxiv, hluav taws xob hluav taws xob (galvanic) cov tshuaj tiv thaiv nruab nrab ntawm cov hlau txuas hauv pob zeb matrix, thiab xeb ntawm cov hlau txhawb ntxiv vim raug dej thiab/lossis tshuaj.
Hais txog qhov no, koj yuav kho pockmarks hauv pob zeb li cas?
Saturate cov pob zeb nrog dej thiab tom qab ntawd siv cov khaub rhuab los thawb tawm ib qho dej los ntawm thaj chaw pitted lossis qhov chaw qis. Cov pob zeb yuav tsum damp thaum koj thov cov resurfacer, tab sis tsis ntub rau qhov kov. Ncuav qhov sib tov rau hauv ib lub pas dej ntawm lub slab thiab tam sim ntawd kis nws (Daim duab 7).
Koj yuav txhim kho txoj kev tsheb ciav hlau pitted li cas?
Nws yog ib txoj haujlwm uas koj tuaj yeem ua koj tus kheej, thiab tsawg dua li tus nqi tsav tsheb tshiab
- Ua ntej, lub hwj chim ntxuav tag nrho saum npoo.
- Sau Cracks thiab Qhov. Sau tag nrho cov kab nrib pleb thiab qhov loj nrog cov pob zeb ua ke lossis cov khoom koj tab tom siv los rov ua txoj hauv kev.
- Siv Expansion Crack raws li Qhia.
- Sib tov thiab thov Resurfacer.
Pom zoo:
Yuav ua li cas yog qhov tsawg kawg nkaus pob zeb npog nyob rau hauv mm ntawm ib tug cam khwb cia nyob rau hauv qhov chaw pob zeb tso tawm tsam thiab mus tas li raug rau lub ntiaj teb?
Table-1: Yam Tsawg Npog Thickness rau Cast-in-Place Qhob Hom kev tsim ua vaj tse hla, hli Qhob nrum tiv thaiv thiab txuas mus tas li nrog hauv av 75 Pob zeb sib chwv nrog av lossis dej No. 19 txog No. 57 tuav 50 No. 16 bar thiab me dua 40
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