双排气膜孔出流对换热的增强效果随孔排距的增加先增大后减小，在孔排距为10D时最大。

The heat transfer enhancement increases and then decreases with the increase of the distance between rows, and is highest when the distance between rows is 10D.

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通过对灌浆资料成果分析，对布孔形式、孔排距、灌浆压力等施工参数和施工工艺提出了建议。

Analyzing the result data of the grouting tests, the writer raises some recommendations about construction process and parameters such as hole arrangement, hole row gap and grouting pressure.

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