在较高的法向应力下，含起伏角较高齿形节理面的非贯通节理岩体可能出现破坏模式II（先张拉后剪切破坏模式）。
However, at higher angle of tooth-shaped asperities and under higher normal stress, the failure model II is found, which is in first tension but final shear failure.
先张法张拉台座是先张法预制场重要组成部分，张拉台座设置必需具有足够的强度和稳定性，既安全又经济合理。
The pretension stand is a main part of prestress concrete field. It is required strong strength and stability and be safe and economically reasonable.
根据施工实践，简要地介绍了先张法槽式张拉台座中的砼传力柱的设计思路。
Combined with the construction practice, the paper introduced the design idea of concrete bar dowel for pretensioned grooved stretching bed etc.
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