Ntev npaum li cas lub lawj footings yuav tsum yog?

2024 Tus sau: Stanley Ellington | [email protected]. Kawg hloov kho: 2023-12-16 00:17

Footings Feem ntau yuav tsum tau ncua hauv qab kab Frost kom tsis txhob hloov pauv thaum lub caij khov-thaw. khawb ko taw qhov tob txog 6 nti tob dua tshaj yuav tsum tau . Sau rau hauv qab ntawm lub qhov nrog 6 ntiv tes ntawm pob zeb thiab muab cov pob zeb sib dhos nrog 2x4 lossis ntoo ncej.

Tsuas yog li ntawd, yuav tsum sib sib zog nqus ntawm lub lawj ncej qhov?

Xyuas kom cov hauv qab thiab ob sab ntawm lub qhov yog compact thiab khoom ua ntej pouring koj pob zeb. Koj tuaj yeem khawb cov footings 6 " tob dua tshaj cov kab te. siv 4x4 ncej kom compact av nyob rau hauv qab ntawm lub qhov thiab tom qab ntawd ntxiv 6 "pob zeb rau qhov dej zoo dua hauv qab ntawm ko taw.

Tsis tas li ntawd, txoj kab dej khov nyob hauv kuv cheeb tsam tob npaum li cas? Qhov nruab nrab qhov tob ntawm dej khov rau peb thaj av yog nruab nrab ntawm 15 thiab 20 ntiv tes, tsim los tob te kab nws txawv ntawm 36 mus rau 48 ntiv tes. Yog li, cov cov kab dej khov yog qhov "kev nyab xeeb" nyob deb hauv qab ntawm qhov av qhov twg av thiab txhua yam nteg nyob rau hauv nws yuav tsis raug cuam tshuam los ntawm khov kub.

Hauv qhov no, qhov tob tob tob npaum li cas yuav tsum nyob hauv Massachusetts?

Qhov tob ntawm Footings Qhov nruab nrab te kab yog Massachusetts yog nruab nrab ntawm 30 thiab 35 . Qhov zoo tshaj plaws ntawm cov ntaub ntawv hais txog koj cov kab kab tob tob yog koj lub tuam tsev hauv zos. Kuv tus kws tshuaj xyuas xav pom kev teeb tsa lawj footings 48” tob.

Kuv puas tuaj yeem siv 4x4 cov ntawv rau kuv lub lawj?

Hauv tus yav dhau los, ntau lawj xeeb tau ua nrog 4x 4 x kev txhawb nqa tshaj tawm (tseem hu ua structural tshaj tawm ). Tab sis cov no tau nyo hau hnyav, txawm tias a lawj tsuas yog 3 ko taw tawm xwb tus av. Vim li ntawd, peb xav kom koj siv 6 x 6s es, koj lub tsev department ua tsis thov lawv.