岭澳核电二期核岛安全壳预应力张拉千斤顶的校验

Verifying Jack Used in Pre-stress Tension of Safety Press Shell in Secondary Period Project in Lingao Nucleus Power-station

结合岭澳核电二期核岛安全壳预应力张拉千斤顶校验的实施情况,介绍了千斤顶校验原理、校验设备及校验方法。对影响预应力张拉施工准精确性的重要环节,如混凝土预制件成型、千斤顶安装、磨擦系数计算等进行了较详细的论述。

Based on verifying jack used in pre-stress tension of safety press shell in secondary period project in Lingao nucleus power-station, the principle of jack verifying, the verifying equipment and method was introduced. For the important tache of witch effected the accuracy ofpre-stress tension data was introduced. Discussion detailed on prefabricate concrete element, jack setting and attrition coefficient calculation.