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河北共創(chuàng)試驗(yàn)儀器廠
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測(cè)定路面回彈彎沉值、籍以評(píng)定路面的整體強(qiáng)度的一種儀器,適用于測(cè)定各種路面的回彈彎沉,以評(píng)定路面的承載能力或其路面結(jié)構(gòu)設(shè)計(jì)使用,也適用于路基路面施工過程中的壓實(shí)度彎沉檢驗(yàn)。路面彎沉儀用以測(cè)量在汽車荷載作用下,路基、柔性路面的彎沉,汽車后軸輪隙中心處的Z大總彎沉和Z大回彈彎沉。
河北共創(chuàng)試驗(yàn)儀器廠 : 張 www.hbgcyq.com
貝克曼梁彎沉檢測(cè)儀(路面彎沉值測(cè)定儀,落錘彎沉儀,彎沉儀型號(hào))
Backman beam deflection detecting instrument ( pavement deflection value measuring instrument, falling weight deflectometer, deflectometer models)
A ) technical requirements
The 1deflection measurement range:0-10mm
Measuring accuracy:2± 0.01mm
3 Beckman Leung length:5.4m
4lever ratio:2:1
5main parts material requirements:
(1) aluminum probe beam and measuring head is made of aluminum, with ZL401, GB1173-74" aluminum alloy mechanical properties".
(2) the middle shaft sleeve adopts45 steel GB699-65" quality carbon structural steels".
6assembly requirements: flat, before and after the lever is connected firmly, no loose phenomenon, the whole range of length, the unevenness of the each respect should be less than 2mm.
7appearance: instrument color is orange, to facilitate reflective, avoid the influence of temperature, the painted surface shall be smooth, uniform color, paint layer with no leakage painted, wrinkling, scratch and shedding, the dial gauge holder should be electroplating, plating plating without spot, bubble betrays a confidence and scratch phenomenon.
Two) required to complete the following experimental items or request
Determination pavement rebound deflection value, in order to assess the overall strength of the road of an apparatus, suitable for the determination of various pavement deflection, to evaluate the pavement bearing capacity or the pavement structure design to use, is also suitable for road construction in the process of compaction degree deflection test. Pavement deflectometer used to measure the vehicle load, subgrade, pavement deflection, auto rear wheel clearance at the center of the maximum deflection and the maximum rebound deflection.
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