planeness

基本解释

According to different craft stages under bituminous pavement construction, discusses the important point of controlling the planeness of bituminous pavement.
根据沥青砼路面施工中不同工艺阶段，论述了沥青砼路面平整度的控制要点。
The article discusses how to improve the planeness of pavement mainly from subgrade, pavement subbase and the mixing, spreading and rolling of asphalt mixing material.
主要从路基、路面基层、沥青混合料的拌合、摊铺、碾压等几个方面对如何有效提高平整度的施工方法进行了探讨。
A solar panel substrate planeness non contact system is presented, which employs optical triangulation method and bases on virtual precise benchmark.
介绍了一种采用斜光学三角形测量结构和基于虚拟精密测量基准的太阳帆板平面度无接触测量系统。

平面度
So high precision of the mechanical cutting of each segment end face was required. For example,it was specified that planeness≤0.25mm,roughness≤12.5μm,inclination error between the axes and end face≤20"(1/10000).
钢塔节段端面机械切削加工及精度管理南京长江三桥每个钢塔柱共有22个节段,节段间采用“端面金属接触+摩擦型高强度螺栓”连接传力,这就要求每个节段有很高的端面机械切削加工精度,如:端面平面度≤0.25mm,粗糙度≤12.5μm,节段轴线与端面直角度≤20″(1/10000)。
物理学
平度