Kev kos duab ntawm cov xwm txheej kev ntxhov siab raws li ob qho kev ntxhov siab compressive muaj kev ntxhov siab tensile ntawm Triaxial kev ntxhov siab States, thiab peb yog thawj qhov kev ntxhov siab yog lub xeev compressive kev ntxhov siab piv rau yas deformation ntawm kos duab hlau yooj yim dua los ua tiav. Kos duab deformation rau compressive deformation ntawm tensile deformation rau ob ntawm peb lub xeev tseem ceeb, qhov xwm txheej ua si hlau thiab yas, thiab muaj feem ntau rau qhov tsis zoo thiab raug. Cov txheej txheem kos duab ntawm hlau dhau qhov kev nyab xeeb ntawm deformation cuam tshuam los ntawm kev txwv dhau deformation hauv me me ntau dua kos duab hla, yog li feem ntau siv rau hauv kev tsim cov hlau ntau-dhau sib law liag kev kub ceev kos duab.
Lub sijhawm tshaj tawm: Lub Peb Hlis-12-2018