Kev piav qhia: Thaum ob kab ntawv thauj khoom tsis sib npaug, nrog rau sab sab nrauv nqa lub nra hnyav, thiab thaum muaj qhov txwv tsis pub dhau ntawm kab sab nrauv, trapezoidal footing yog muab.
Thaum cov av tso cai tsawg lossis lub tsev thauj khoom hnyav dua qhov siv ko taw yog?
Kev piav qhia: Thaum cov av tso cai qis qis, lossis lub tsev thauj khoom hnyav, kev siv cov ko taw sib kis yuav npog ntau tshaj li ib nrab ntawm thaj chaw thiab nws yuav ua pov thawj kev lag luam ntau dua los siv lev lossis lub hauv paus.
Thaum lub pluaj footings siv rau hauv lub hauv paus?
Nws yog siv los pab faib qhov hnyav ntawm hnyav hnyav lossis eccentrically loaded kem footings mus rau footings nyob ib sab. Lub pluaj footing feem ntau yog siv ua ke nrog txhua kab uas nyob ntawm ib lub tsev cov khoom lossis kab ntau.
Thaum qhov tob tshaj qhov dav nws txhais li cas?
Yog qhov tob ntawm lub hauv paus yog sib npaug los yog ntau dua qhov dav ntawm lub hauv paus, lub hauv paus no hu ua dub foundation. 25. Rau hom twg ntawm lub hauv paus, Terzaghi tus kabmob muaj peev xwm sib npaug yog siv tau. Vim li cas?
Thaum ob kab loads yog 2 ntsiab lus tsis sib npaug ntawm qhov twg tuaj yeem muab tau?
Kev piav qhia: Thaum ob kab ntawv thauj khoom tsis sib npaug, nrog rau sab sab nrauv nqa lub nra hnyav, thiab thaum muaj qhov txwv tsis pub dhau ntawm kab sab nrauv, a trapezoidal footing yog muab.
