Cov txheej txheem:
- Dab tsi yog qhov tawg hauv pob zeb?
- Kev kho pob zeb tawg yog dab tsi?
- Spav zoo li cas?
- Puas tawg loj heev?
- Concrete Spalling yog dab tsi? Lawv Ua Tau thiab Tiv Thaiv
2024 Tus sau: Simon Evans | [email protected]. Kawg hloov kho: 2024-01-13 03:51
Spalling lossis spalding pob zeb yog hais txog pob zeb uas tau dhau los ua pitted, flaked, los yog tawg… Cov cim qhia ntawm spalling muaj xws li qhov ntxhib thiab flaky nto thiab tawg ntawm qee cov pob zeb. Qhov no tuaj yeem kho tau los ntawm kev tshem cov seem uas puas lawm kom nws tuaj yeem ntim nrog cov cement.
Dab tsi yog qhov tawg hauv pob zeb?
Spalling yog ib lo lus siv los piav txog thaj chaw ntawm pob zeb uas tau tawg thiab delaminated los ntawm substrate. Muaj ntau qhov laj thawj uas vim li cas thiaj li tshwm sim nrog rau kev caij tsheb kauj vab khov, qhov cuam tshuam loj ntawm Alkali Silica Reaction lossis raug hluav taws kub.
Kev kho pob zeb tawg yog dab tsi?
Yog tias koj cov pob zeb tawg, cov no yog cov kev xaiv kho: Patch thaj tsam spalled nrog cov xim sib xyaw ua ke . Yuav kom koj cov pob zeb rov ua dua nrog kev sib tshooj . Rov tawm thiab hloov tag nrho slab.
Spav zoo li cas?
Spalling pob zeb tuaj yeem zoo li ncig lossis oval kev nyuaj siab raws li qhov chaw lossis pob qij txha. Spalling feem ntau tshwm sim nyob rau hauv cov huab cua txias thaum de-icing tshuaj yog siv los yog thaum caij ntuj sov-thaw cycles puas lub pob zeb.
Puas tawg loj heev?
Lo lus 'spall' yog hais txog kev tawg ntawm cov khoom rau hauv daim, tshwj xeeb yog tawg hauv qab ntawm qhov chaw uas ua rau ib feem ntawm qhov chaw tawm. … Spalling tuaj yeem yog qhov tsis txaus ntseeg, uas yog, qhov teeb meem zoo nkauj nkaus xwb, lossis nws tuaj yeem ua rau kev puas tsuaj loj uas yuav tsum tau ua haujlwm kho tus nqi
Pom zoo:
Qhov txawv ntawm kev kho kom rov zoo li qub thiab kev nyob zoo yog dab tsi?
"kev nyob zoo" yog hais txog tus txheej txheem uas pab tib neeg kom tau txais qee yam kev txawj tshiab, peev xwm, thiab kev paub. "Rehabilitation" yog hais txog kev rov tau txais kev txawj ntse, peev xwm lossis kev paub uas yuav ploj mus lossis raug cuam tshuam los ntawm qhov tau txais kev xiam oob qhab, lossis vim muaj kev hloov pauv ntawm ib qho kev tsis taus lossis xwm txheej .
Thaum qhov kev tshawb fawb thawj zaug yog qhov kev cuam tshuam tseem ceeb tshaj plaws yog dab tsi?
Cua thiab stabilization ntawm lub ncauj tsev menyuam nqaj qaum yog qhov tseem ceeb tshaj plaws thaum ua qhov kev ntsuam xyuas tus neeg mob thawj zaug thaum ntsuas kev kub ntxhov . Yuav tsum ua li cas thaum lub sijhawm tshawb fawb thawj zaug?
Dab tsi yog qhov kev pabcuam radical republican rau kev tsim kho lub koomhaum?
Cov Radical Republicans 'kev ntsuas tseem ceeb tshaj plaws tau muaj nyob rau hauv Txoj Cai Kev Txhim Kho Kev Txhim Kho Kev Txhim Kho Kev Txhim Kho Kev Txhim Kho Kev Txhim Kho, Teb Chaws Asmeskas txoj cai lij choj tau tsim xyoo 1867-68 uas tau piav qhia txog cov xwm txheej hauv qab lub xeev yav qab teb yuav raug xa mus rau Union tom qab Asmeskas Tsov Rog Tsov Rog (1861-65).
Dab tsi yog qhov kev sib raug zoo ntawm kev cuam tshuam kev nqus thiab kev xa mus?
Absorptivity (α) yog ib qho kev ntsuas ntawm ntau npaum li cas ntawm cov hluav taws xob absorbed los ntawm lub cev. Reflectivity (ρ) yog ib qho kev ntsuas ntawm ntau npaum li cas yog reflected, thiab transmissivity (τ) yog ntsuas ntawm ntau npaum li cas dhau los ntawm cov khoom .
Qhov kev vam meej ntawm kev kho plaub hau prp yog dab tsi?
Thaum tsis muaj kev pom zoo rau qhov ua tiav ntawm kev txhaj tshuaj PRP rau kev kho plaub hau, nws zaum ntawm 70-90%rau tus neeg mob nruab nrab. Nws nyiam ua haujlwm zoo dua hauv cov neeg mob hluas pib ntsib cov teebmeem ntawm caj ces plaub hau poob thiab thinning.