Beckman Deflection Instrument, Benkelman Deflection Beam, Pavement Resilient Modulus Tester

Pavement rebound deflection tester/Pavement Benkelman deflection mtengo

Mlingo woyezera:

(1) Njira iyi ndi yoyenera kuyeza kutembenuka kwa misewu ndi mipando yosiyanasiyana kuti awone momwe amanyamulira ndipo angagwiritsidwe ntchito popanga mapangidwe amipanda.

(2) Mtengo wokhotakhota wokhotakhota wamsewu ndi msewu wosinthika womwe umayezedwa ndi njira iyi ungagwiritsidwe ntchito popereka ndi kuvomereza kumaliza.

(3) Kupatuka kwapang'onopang'ono komwe kumayesedwa ndi njira iyi kungapereke maziko a dipatimenti yoyang'anira misewu yayikulu kuti apange dongosolo lokonza misewu.

(4) Kupatuka kwa phula la phula kumatengera kutentha kwa 20 ℃.Poyesa kutentha kwina (kupitirira 20 ± 2 ℃), mtengo wokhotakhota wa phula la asphalt ndi makulidwe opitilira 5cm uyenera kuwongoleredwa ndi kutentha.

zakuthupi: Aluminiyamu aloyi, kutalika: 3.6m, 5.4m, 7.2m

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