Abstract: At present, the construction control of long and large tunnel shield control is generally used in traditional wire method. There are these problems of error accumulation too fast, the lack of independent inspection points and through the construction of the error caused by the construction conditions and other issues. Based on the requirements of construction and construction of shield construction,this paper explores and implements a new method of measuring the plane control network within the shield tunnel,than details description the new method about control point layout, observation method and data processing analysis. And it analysis the accuracy and reliability with the two methods of the traditional wire measurement. The experimental results show that this method can improve the measurement accuracy of shield tunneling control, improve the reliability of control point and hanging point, and effectively control the through error.

Key words: shield tunnel, the plane control network of subway tunnel, voire network, through error