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图解方法——赤平投影方法已广泛用于对地下工程中不连续岩体的分析。本文提出图解新方法——下半空间赤平上极射投影-方法或下半空间赤平上极射投影实体比例投影方法。这种方法可行、正确,具有简单、方便、省时,省物的特点。建议在今后的工程实践中运用这种方法。 地下工程中不连续岩体的分析已广泛运用图解方法-赤平投影方法。作者在现行的半空间赤平投影方法和全空间赤平投影方法的基础上,提出新的半空间赤平投影方法即下半空间赤平上极射投影方法或下半空间赤平上极射投影-实体比例投影方法。
The graphic method - stereographic projection method has been widely used in the analysis of discontinuous rock mass in underground engineering. This paper proposes a new method of illustration—the polar projection method in the lower half of the space, or the proportional projection method of polar projections in the lower half of the space. This method is feasible, correct, and has the characteristics of simplicity, convenience, time saving, and material saving. It is recommended that this method be used in future engineering practice. Analysis of discontinuous rock masses in underground engineering has been widely used graphical method - stereographic projection method. Based on the current half-space stereotaxic projection method and full-space stereotaxic projection method, the authors propose a new half-space stereoplanar projection method, ie, the lower half-flattened polar projection method or the lower half-flattened polar projection-entity proportional projection. method.