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井下运输巷道转弯处或巷道分岔处,都有一段圆曲线巷道,其半径一般为10～25m。现在常用的圆曲线巷道中线标定方法,是用构成内接多边形的弦来代替圆曲线,在实地标设这些分段的弦来指示巷道的掘进方向。如果弦线取得太短,则中线转折点太多,工作量大且影响掘进速度;如果弦线取得太长,则以弦线代替曲线误差太大,会影响工程质量。为此,我们提出一种圆曲线巷道图解测设法。经过多年应用表
Downhole transport lane corner or lane bifurcation Department, there is a section of circular curve roadway, the radius is generally 10 ~ 25m. Now commonly used circular curve lane centerline calibration method is to use the inscribed polygons to replace the circular curve of the string, marked in the field of these sections of the chord to indicate the roadway heading. If the string is made too short, then the midline turning point too much, heavy workload and impact on driving speed; if the string too long, the string instead of the curve error is too large, will affect the quality of the project. To this end, we propose a circular curve roadway survey method. After years of application table