【摘要】：為提高地鐵盾構隧道施工效率和管片拼裝精度,提出用等腰楔形環(huán)拼裝圓弧形盾構隧道的新的理論與算法。主要結論如下:1)從理論上證明當等腰楔形環(huán)依次向相反方向旋轉相同角度θ時,隧道軸線在一個平面上,隧道半徑R=L/(2sinα/2·cosθ/2),其中L是環(huán)寬,α是楔形角;2)提出一種采用容許旋轉角拼裝楔形環(huán)的算法,確定整個盾構隧道上每個襯砌管片環(huán)的位置和方位;3)根據楔形環(huán)的方位可以確定隧道上的第幾環(huán)是左轉彎環(huán),第幾環(huán)是右轉彎環(huán),使封頂塊的位置在隧道上部,從而確定整個盾構線路所需左、右轉彎環(huán)的數量。
[Abstract]:In order to improve the construction efficiency and assembly accuracy of metro shield tunnel, a new theory and algorithm for constructing circular arc shield tunnel with isosceles wedge ring is proposed. The main conclusions are as follows: 1) it is theoretically proved that when the isosceles wedge loop rotates the same angle 胃 in the opposite direction, the tunnel axis is in a plane. The tunnel radius R=L/ (2sin 偽 / 2 cos 胃 / 2), where L is the width of the ring and 偽 is the wedge angle, is proposed to assemble the wedge ring with the allowable rotation angle. Determine the position and orientation of each lining segment ring on the whole shield tunnel) according to the azimuth of the wedge-shaped ring, we can determine which ring on the tunnel is left turn ring and which ring is right turn ring so that the top block is located in the upper part of the tunnel. Thus determine the number of left and right turning rings required for the entire shield line.
【作者單位】： 華中科技大學工程管理研究所;
【分類號】：U231.3;U455.43

【相似文獻】

相關期刊論文 前1條

1 И.А.塞林斯基,П.М.保格丹婠夫,王福天;楔形n振器摩擦阻力的穩(wěn)定性[J];鐵道車輛;1963年03期

，

本文編號：2173580