It is concluded that the Gaussian curvature method can reflect the shape variation of coal seam curvature, and the method is effective to forecast natural fracture zones in coal seam.

• 分析表明，高斯曲率法可相对真实地反映煤层曲面形态变化，用该方法预测煤层天然裂隙发育区是切实可行的。