Granite, Active siv tau pob zeb, muaj npe rau nws lub zog depability thiab lub zog, ua rau nws cov khoom siv zoo rau cov khoom siv tshuab ua haujlwm. Nkag siab txog cov lus tsis zoo ntawm granite kho tshuab lub hauv paus yog qhov tseem ceeb rau cov engineers thiab kws keej yeeb yam kom ntseeg tau txoj kev ncaj ncees thiab kev ncaj ncees.
Ib qho ntawm cov thawj cov ntsiab lus tseem ceeb ntawm Granite yog nws lub zog compressive, uas feem ntau yog li 100 mus rau 300 MPa. Lub zog compressive siab no tso cai granite kom withst cov load tseem ceeb, ua rau nws haum rau cov tshuab hnyav thiab khoom siv. Ib qho ntxiv, cov khoom pov thawj granosity, feem ntau ntawm 0,5% rau 0.5%, uas muaj kev cuam tshuam rau dej infiltration thiab tshuaj lom neeg lub luag haujlwm, ntxiv txhim kho nws txoj kev haum rau cov tshuab ua haujlwm.
Lwm qhov tseem ceeb ib qho tseem ceeb yog cov modulus ntawm elasticity, uas rau granite yog kwv yees li 50 txog 70 gpa. Cov cuab yeej no qhia tau ntau npaum li cas cov ntaub ntawv yuav deform hauv kev ntxhov siab, muab cov kev pom zoo rau hauv nws qhov kev ua tau zoo nyob rau hauv nws cov kev ua tau zoo nyob rau hauv kev ua haujlwm hauv kev ua haujlwm. Qhov tsawg thermal nthuav cov coefficient ntawm granite, ib ncig ntawm 5 txog 7 ^ -6 / ° kev hloov pauv, ua rau nws xaiv txoj kev ntseeg siab rau cov hauv paus nyob hauv ntau txoj kev.
Granite lub ntom ntom, feem ntau ntawm 2.63 rau 2.75 g / cm³, kuj ua lub luag haujlwm tseem ceeb hauv lub hauv paus tsim qauv. Qhov kev sib tw siab dua ua rau lub qhov ruaj ntseg tag nrho ntawm lub hauv paus, txo qhov kev pheej hmoo ntawm kev sib hais haum lossis hloov sijhawm. Tsis tas li ntawd, cov granite muaj kev tiv thaiv kom tshem tawm thiab hnav ua rau nws xaiv tau zoo heev rau cov hauv paus kev tsheb lossis kev ntxhov siab.
Hauv kev xaus, cov kev ua haujlwm ntawm cov khoom siv granite, suav nrog compression, thiab siab ntom, underscore nws cov hauj lwm zoo ua ib cov khoom siv uas muaj lub hauv paus. Los ntawm kev siv cov khoom no, engineers tuaj yeem tsim kev ua kom muaj zog thiab ruaj khov lub hauv paus uas tau ua tiav ntawm kev tsim kho niaj hnub no.
Lub Sijhawm Post: Nov-22-2024