盾構管片超前量(楔形量)理論計算.doc

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1、超前量示意圖如下：則任意角度a的環(huán)寬計算為得各點位處的環(huán)寬如下：經(jīng)計算，得各點位的超前量如下表：管片類型環(huán)寬偏差超前方位上下左右垂直水平K11181.401218.612001200-37.200.00下超左超K21182.821217.181207.121192.88-34.3614.24下超左超K31186.851213.151213.151186.85-26.3026.30下超左超K41192.881207.121217.181182.82-14.2434.36下超左超K51200.0012001218.61181.40.0037.20下超左超K61207.1

2、21192.881217.181182.8214.2434.36上超左超K71213.151186.851213.151186.8526.3026.30上超左超K81217.181182.821207.121192.8834.3614.24上超左超K91218.601181.41200120037.200.00上超左超K101217.181182.821192.881207.1234.36-14.24上超右超K111213.151186.851186.851213.1526.30-26.30上超右超K121207.121192.881182.821217.1814.

3、24-34.36上超右超K131200.0012001181.41218.60.00-37.20上超右超K141192.881207.121182.821217.18-14.24-34.36下超右超K151186.851213.151186.851213.15-26.30-26.30下超右超K161182.821217.181192.881207.12-34.36-14.24下超右超