Beckman Deflection ntsuas, Benkelman Deflection Beaj, kev ua hauj rau ntawm resilient modulus tester
- Khoom Piav Qhia
Paroas Shrlection Tester / Kev Ua Kev Ua Si Benkelman Deflection Taws
Kev ntsuas ntau:
(1) Cov qauv no haum rau ntsuas qhov kev txiav txim siab ntawm ntau txoj kev loj thiab cov kev coj tus cwj pwm ntawm kev tsim cov qauv kev pavement.
(2) Cov khoom siv rov qab los ntawm txoj kev ntawm txoj kev taug kev thiab ntsuas hloov tau los ntawm txoj kev tes thiab kev ua tiav kev lees paub.
(3) Kev ua txhaum cai ntawm kev ntsuas ntawm txoj kev ntsuas los ntawm txoj hauv paus no tuaj yeem muab lub hauv paus rau cov phiaj xwm tswj kev lag luam loj los tsim lub phiaj xwm tu.
(4) Kev deflefection ntawm cov asphalt pavement yog raws tus qauv ntsuas kub ntawm 20 ℃. Thaum kuaj ntawm lwm qhov kub (ntau tshaj li 20 ± 2 ± ℃), tus deflection tus nqi ntawm asphalt pavement txoj kev ua ke nrog ntau dua 5cm yuav tsum tau kho los ntawm kub.
Cov Khoom Siv: Alloy Alloy, Lengh: 3.6m, 5.4m, 7.2m
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