2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Nws tau tshwm sim tias qhov kev hloov pauv ntawm cov av nthuav dav tshwm sim thaum cov txiv qaub thiab fly tshauv sib xyaw nrog cov av nthuav dav. Kev txwv yas nce los ntawm kev sib xyaw cov txiv qaub thiab cov kua txwv txo qis los ntawm kev sib xyaw cov hmoov tshauv, uas txo cov plasticity Performance index plasticity Performance index Lub plasticity Performance index yog qhov loj ntawm cov dej ntau yam uas cov av nthuav tawm cov khoom yas. PI yog qhov txawv ntawm cov kua txwv thiab cov yas txwv (PI=LL-PL). https://en.wikipedia.org › wiki › Atterberg_limits
Atterberg txwv - Wikipedia
Yuav ua li cas thaum txiv qaub stabilization ntawm av?
Soil stabilization tshwm sim thaum txiv qaub ntxiv rau cov av reactive kom tsim tau lub zog mus ntev los ntawm cov tshuaj tiv thaiv pozzolanic. Cov tshuaj tiv thaiv no ua kom ruaj khov calcium silicate hydrates thiab calcium aluminate hydrates raws li calcium los ntawm cov txiv qaub reacts nrog cov aluminates thiab silicates solubilized los ntawm av nplaum.
Yuav ua li cas kom ruaj khov av nthuav dav?
Kev ruaj khov ntawm cov av nthuav dav los ntawm kev siv cov khoom ntxiv xws li txiv qaub, ya tshauv lossis cementyog cov ntaub ntawv zoo (Du et al., 1999, Nalbantoglu, 2004, Nalbantoglu thiab Gucbilmez, 2001, Rao et al., 2001, Yong and Ouhadi, 2007) thiab tau ib txwm tsom ntsoov rau kev tshem tawm ntawm lub zog ntawm cov av.
txiv qaub txhim kho cov cuab yeej ntawmCov av nthuav dav?
Tshuaj stabilization, nyob rau hauv cov tshuaj ntxiv rau expansive av nplaum rau txo heave, kuj tau ntsib nrog kev vam meej. Txiv qaub tau pom tias yog qhov zoo tshaj plaws thiab kev lag luam ntawm tag nrho cov khoom ntxiv. Ntxiv cov txiv qaub rau nthuav av kom txo tau qhov o thiab ua kom muaj peev xwm ua haujlwm thiab lub zog.
Yuav ua li cas yog txoj hauv kev tseem ceeb tshaj plaws siv rau kev ruaj khov ntawm cov av uas nthuav dav?
Vim cov xwm txheej no, lime yog tus neeg sawv cev nrov tshaj plaws siv los ua kom ruaj khov ntawm cov av nplaum uas nthuav dav. Lwm cov tshuaj uas tuaj yeem muab cov calcium cations kom ruaj khov rau cov av nplaum loj xws li calcium chloride, portland cement, thiab calcareous fly ash.
Pom zoo:
Pob dav dav dav dav tsiv teb tsaws chaw?
Nthuav dav Hawks yog ib qho ntawm ntau tshaj migratory buteos hauv North America. Broad-winged Hawks yog cov neeg tsiv teb tsaws chaw ntev, ntau yam yug hauv Canada thiab lub caij ntuj no hauv Brazil. Ntawm kev tsiv teb tsaws chaw, Broad-winged Hawks taug kev hauv pab pawg ntau pua thiab qee zaum txhiab tus noog.
Puas cov txiv qaub tsis qab saj zoo li txiv qaub?
Yog tias koj tso txiv qaub rau tsob ntoo kom txog thaum nws siav tag nws yuav tig daj ntau zaus, yog vim li cas qee cov neeg xav tias txiv qaub tsuas yog txiv qaub tsis tau siav. Lawv tsis yog. Limes muaj ntau dua qhov iab hos txiv qaub yog qaub.
Kev hloov pauv dav dav txawv li cas los ntawm kev hloov pauv tshwj xeeb?
Muaj ob hom kev hloov pauv: dav dav thiab tshwj xeeb. Hauv kev hloov pauv dav dav, tus kab mob bacteriophages tuaj yeem khaws ib feem ntawm tus tswv tsev genome. Hauv qhov sib piv, nrog kev hloov pauv tshwj xeeb, cov kab mob bacteriophages khaws tsuas yog qee qhov tshwj xeeb ntawm tus tswv tsev DNA.
Yuav ua li cas nthuav dav dav dav skate 3?
Yuav tsum ya dav dav dav koj yuav tsum xub bail, uas yog ua los ntawm nias + + + tag nrho ib zaug. Qhov no yuav ua rau koj tus cwj pwm tsis zoo. Tom qab ntawd, ib zaug koj nyob nraum bailing, tam sim ntawd tuav ntawm qhov uas yuav ua rau koj skater ua tus Spread Eagle bail.
Lub sijhawm hloov pauv ntawm cov av nthuav dav los ntawm cov txiv qaub stabilization?
Nws tau tshwm sim tias qhov kev hloov pauv ntawm cov av nthuav dav tshwm sim thaum cov txiv qaub thiab ya tshauv sib xyaw nrog cov av nthuav dav. Kev txwv yas nce los ntawm kev sib xyaw cov txiv qaub thiab cov kua txwv txo qis los ntawm kev sib xyaw cov hmoov tshauv, uas txo cov plasticity Performance index plasticity Performance index Lub plasticity Performance index yog qhov loj ntawm cov dej ntau yam uas cov av nthuav tawm cov khoom yas.
