从岩土类材料极限应力状态线所致的各向异性出发，提出了应力空间变换的思想。

Based on the anisotropy induced by the critical stress line, the idea of transformation of stress space is presented.

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在VII级烈度地震作用过程中输电塔各构件未达到极限应力状态，塔具有较好的抗震性。

Maximum stress of tower is lower than ultimate stress which reveals that the tower has a good resistance in VII magnitude intensity earthquake.

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从土体极限应力状态线所致的各向异性出发，结合原状土的力学特性，给出了原状土的应力空间、应力增量变换公式。

Based on the anisotropy induced by the critical state line, the idea of transformation of stress space is presented.

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