For prestressing tendons, the minimum cover of the anchorage should be provided in accordance with the appropriate European Technical Approval.
对于预应力筋，提供的锚固的保护层最小厚度必须与相关欧洲技术认可中的规定一致。
P The fatigue stress range for prestressing tendons shall be in accordance with en 10138 or given in an appropriate European Technical Approval.
疲劳应力范围必须与EN, 10138或相应欧洲技术认可中的规定一致。
P For coiled prestressing tendons, after uncoiling a length of wire or strand the maximum bow height shall comply with en 10138 unless given in an appropriate European Technical Approval.
对于卷曲预应力钢，在展开一段钢丝或钢绞线之后，除非在相应的欧洲技术认可有规定，否则其最大船首高度必须符合EN 10138规定。
Adequate ductility in bending may be assumed if the prestressing tendons satisfy the requirements for bendability of en ISO 15630.
如果预应力筋满足enISO 15630中对弯曲性的要求，则可以假设其有足够的弯曲塑性。
Based on the general case of tendons used in practice, the formulas for calculating the extent owing to the anti-friction effects and the prestressing equivalent loads are derived.
针对工程实践中常用的预应力钢束布置形式，推导了预应力钢筋回缩影响长度的数值解法和预应力等效荷载的一般计算式。
The angle-changeable prestressing equipment is a kind of devices for tensioning prestressed tendons in silo structures.
预应力变角张拉装置是一种用于筒仓结构预应力张拉的机具。该装置已获国家使用新型专利。
The angle-changeable prestressing equipment is a kind of devices for tensioning prestressed tendons in silo structures.
预应力变角张拉装置是一种用于筒仓结构预应力张拉的机具。该装置已获国家使用新型专利。
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