Video: Dab tsi ua rau pob zeb heaving?
2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17
Slab siab yog ua rau los ntawm av nplaum av expanding thaum lawv nqus noo noo. Lub hauv paus ntawm cov dej noo tuaj yeem yog dej nag, cov kav dej tawg, cov dej hauv av, cov dej ntws tsis zoo thiab cov dej hauv vaj. Tus nqi ntawm cov dej hauv av feem ntau tsis sib npaug thiab yog li kev txav hauv tsev tsis sib xws.
Tom qab ntawd, ib tug kuj yuav nug, yuav ua li cas kho pob zeb heaving?
Muab lub jackhammer tuav ruaj khov rau hauv koj txhais tes thiab muab nws tso rau ntawm txoj kab txiav hauv lub slab, ntawm lub kaum sab xis. Tig nws kom nws pounds ntawm lub pob zeb . Thawb lub jackhammer rau pem hauv ntej kom nws prises lub tawg pob zeb tawm ntawm cov av, zoo ib yam li ib tug crow bar. Rov ua cov txheej txheem raws li txhua txoj kab txiav ntawm lub slab.
Kuj Paub, dab tsi ua rau hauv qab daus pem teb rau heave? Feem ntau hnyav tshwm sim thaum noo noo ntxiv los yog rov qab los rau hauv av, ua rau nws mus nthuav, uas nyob rau hauv lem pushes li pem teb slabs thiab sab hauv footings. Hnyav ua tau ua rau tawg nyob rau hauv lub hauv qab daus slab thiab tsis sib xws pem teb , uas tuaj yeem ua tiav a hauv qab daus nyuaj dua.
Kuj tseem yuav paub, dab tsi ua rau heave hauv tsev?
Hauv av siab tshwm sim thaum av hauv qab a lub tsev txav mus rau pem hauv ntej, piv txwv li qhov ntxeev ntawm kev tawg. Heav yog ua rau los ntawm kev nthuav dav hauv av, thiab feem ntau yog txuam nrog av nplaum av uas o thaum lawv ntub dej.
Puas yuav pob zeb slab heave?
Slab Heave Muaj feem cuam tshuam rau tsev mus txog rau feeb koj pob zeb slab tau nchuav, cov av noo nyob hauv koj qhov faib tau zoo sib xws. Nyob ib ncig ntawm ntug slab , av tseem ntub thiab qhuav. Qhov kev hloov pauv hauv av noo nyob hauv ib lub tsev yog vim li cas slab luj.
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
Dab tsi yog qhov siab tshaj plaws rau lub pob zeb pob zeb?
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Ib tug footing yog muab tso rau hauv qab ntawm Frost kab thiab ces cov phab ntsa ntxiv rau saum. Qhov taw qhia yog dav dua phab ntsa, muab kev txhawb nqa ntxiv ntawm lub hauv paus ntawm lub hauv paus. Lub hauv paus T-shaped yog muab tso rau thiab tso cai rau kho; thib ob, cov phab ntsa yog tsim; thiab thaum kawg, lub slab yog nchuav ntawm phab ntsa