The effective stress iterative method of estimating neutral point and downdrag on a single pile was presented in this paper.

采有效应力迭代算法来确定中性点的位置和计算下拉荷载值,并通过例来说明迭代试算的过程。

The diagnosis principle and diagnosability conditions are proposed, and the normal tolerance network test nede voltage interval are given by interval iterative algorithm.

该方法给出了差情况下诊断的原理和可诊断性条件，并间迭代算法，给出了差网络无故障情况下的测试节点电压范围。

The effective stress iterative method of estimating neutral point and downdrag on a single pile was presented in this paper.

有效应力迭代算法来确定中性点的位置和计算下拉荷载值,并通过一个实例来说迭代试算的过程。

The diagnosis principle and diagnosability conditions are proposed, and the normal tolerance network test nede voltage interval are given by interval iterative algorithm.

该方法给出了差情况下诊断的原理和可诊断性条件，并利区间迭代算法，给出了差网络无故障情况下的测试节点电压范围。

The effective stress iterative method of estimating neutral point and downdrag on a single pile was presented in this paper.

采用有效应力法来确定中性的位置和计下拉荷载值,并通过一个实例来说明试的过程。

The diagnosis principle and diagnosability conditions are proposed, and the normal tolerance network test nede voltage interval are given by interval iterative algorithm.

该方法给出了差情况下诊断的原理和可诊断性条件，并利用区间法，给出了差网络无故障情况下的测试压范围。

The effective stress iterative method of estimating neutral point and downdrag on a single pile was presented in this paper.

采用有效应力迭代算法来确定中性点位置和计算下拉荷载值,并通一个实例来说明迭代试算。

The diagnosis principle and diagnosability conditions are proposed, and the normal tolerance network test nede voltage interval are given by interval iterative algorithm.

该方法给出了差情况下诊断和可诊断性条件，并利用区间迭代算法，给出了差网络无故障情况下测试节点电压范围。

The effective stress iterative method of estimating neutral point and downdrag on a single pile was presented in this paper.

采用有效应力迭代算法来确定中性点的位置和计算下拉荷载值,并通过一个实例来说明迭代试算的过程。

The diagnosis principle and diagnosability conditions are proposed, and the normal tolerance network test nede voltage interval are given by interval iterative algorithm.

该方法给出了差情况下诊断的原理和可诊断性条件，并利用区间迭代算法，给出了差网络无故障情况下的测试节点电压范围。

The effective stress iterative method of estimating neutral point and downdrag on a single pile was presented in this paper.

采用有效应力迭代算法中性点位置和计算拉荷载值,并通过一个实例说明迭代试算过程。

The diagnosis principle and diagnosability conditions are proposed, and the normal tolerance network test nede voltage interval are given by interval iterative algorithm.

该方法给出了差情况诊断原理和可诊断性条件，并利用区间迭代算法，给出了差网络无故障情况试节点电压范围。

The effective stress iterative method of estimating neutral point and downdrag on a single pile was presented in this paper.

采用有效应力迭法来确定中性点的位置和计下拉荷,通过一个实例来说明迭试的过程。

The diagnosis principle and diagnosability conditions are proposed, and the normal tolerance network test nede voltage interval are given by interval iterative algorithm.

该方法给出了差情况下诊断的原理和可诊断性条件，利用区间迭法，给出了差网络无故障情况下的测试节点电压范围。

The effective stress iterative method of estimating neutral point and downdrag on a single pile was presented in this paper.

采用有效应力算法来确定中点的位置和计算下拉荷载值,并通过一个实例来说试算的过程。

The diagnosis principle and diagnosability conditions are proposed, and the normal tolerance network test nede voltage interval are given by interval iterative algorithm.

该方法给出了差情况下的原理和可条件，并利用区间算法，给出了差网络无故障情况下的测试节点电压范围。

The effective stress iterative method of estimating neutral point and downdrag on a single pile was presented in this paper.

采用有效应力迭代算法来确定中性点的位置和计算拉荷载值,并通过一个实例来说明迭代试算的过程。

The diagnosis principle and diagnosability conditions are proposed, and the normal tolerance network test nede voltage interval are given by interval iterative algorithm.

法给出了差情况的原理和可性条件，并利用区间迭代算法，给出了差网络无故障情况的测试节点电压范围。