然后，根据目标可靠度，对桥梁体系的寿命做出初步预测。

Then, prognosticates the residual life of the bridge system through the reliability index.

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本文介绍了桥梁钻孔灌注桩的可靠度原理和方法、目标可靠度和抗力综合系数。

Such parts as the principle and method of reliability, reliability analysis of piles, objective reliability, and oletermination of resistance comprehensive coefficient are introduced in this paper.

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这一方法简单易行，采用目标可靠度指标，与现行的可靠度设计统一标准方法协调。

With using target reliability index, this method is easy to use, and harmonizes with the current reliability design standard.

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