Rolling straight-edge
id:
rolling-straight-edge-293-5453274
title:
Rolling straight-edge
text:
The rolling straight-edge is an instrument used to measure the surface regularity of roads and similar structures such as airport runways. It consists of a straightedge of a fixed distance mounted on wheels with a sensor at the centrepoint measuring deviation in height. It is rolled along the road surface and set to specific trigger levels which can be logged automatically or by means of an audible alarm. The rolling straight-edge was developed by the British Road Research Laboratory to replace
brand slug:
wiki
category slug:
encyclopedia
description:
Measuring device for road straightness
original url:
https://en.wikipedia.org/wiki/Rolling_straight-edge
date created:
date modified:
2023-05-05T08:59:18Z
main entity:
{"identifier":"Q1626707","url":"https://www.wikidata.org/entity/Q1626707"}
image:
fields total:
13
integrity:
14