Ohun elo Deflection Beckman, Benkelman Deflection Tan ina, Pavement Resilient Modulus Test
- ọja Apejuwe
Pavement rebound deflection tester / Pavement Benkelman deflection tan ina
Iwọn iwọn:
(1) Ọna yii dara fun wiwọn ipadasẹhin ti awọn ọna opopona ati awọn pavementi lati ṣe ayẹwo agbara gbigbe gbogbo wọn ati pe o le ṣee lo ninu apẹrẹ awọn ẹya pavement.
(2) Iwọn ipadasẹhin ipadasẹhin ti ọna opopona ati ipada to rọ ti a ṣe iwọn nipasẹ ọna yii le ṣee lo fun imudani ati gbigba ipari.
(3) Yiyi pada ti ipada ti a ṣe iwọn nipasẹ ọna yii le pese ipilẹ fun ẹka iṣakoso ọna opopona lati ṣe agbekalẹ eto itọju ọna.
(4) Iyapa ti pavement idapọmọra da lori iwọn otutu ti iwọn 20 ℃.Nigbati idanwo ni awọn iwọn otutu miiran (lori iwọn 20± 2℃), iye iyipada ti pavement asphalt pẹlu sisanra ti o ju 5cm lọ yẹ ki o ṣe atunṣe nipasẹ iwọn otutu.
Ohun elo: alloy aluminiomu, ipari: 3.6m, 5.4m, 7.2m
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