Ultra-siab kev ua tau zoo pob zeb yog cov chav kawm qib siab ntawm cov ntaub ntawv cementitious uas muaj zog dua, tensile ductility thiab durability dua li cov pob zeb tsoos los yog cov pob zeb ua haujlwm siab. Cov hlau fibers tau ntxiv rau tag nrho UHPC kom ua tau raws li qhov yuav tsum tau ua. Cov ntawv thov UHPC suav nrog: kev sib txuas ntawm txoj kev loj, kev sib txuas cast-in-place, kev kho dua tshiab thiab sab nrauv phab ntsa.
Cov yam ntxwv tseem ceeb ntawm UHPC tau ua tiav los ntawm peb lub hauv paus ntsiab lus hauv qab no:
• Txhim khu kev sib xws
• Txhim khu kev ceev
• Nce ductility
Ductility yog kho kom zoo dua los ntawm kev qhia cov hlau fibers. Txij li thaum lub matrix yog nkig heev, steel fiber reinforcement yog ntxiv kom tau elastoplastic los yog strain-hardening tus cwj pwm nyob rau hauv nro. Feem ntau, UHPC muaj cov ntsiab lus fiber ntau ntawm 2% (264lb / cy) lossis ntau dua los ntawm ntim.