张拉千斤顶、油表在预应力钢束张拉前进行检验和标定,使用中按规定程序进行送检标定。
Tensioning jack, oil gauge shall be checked and calibrated prior to the prestressed steel strands tensioning and executed to check and calibrate in using as per the specified procedure.
简体墙和穹顶水平钢束初步张拉采用等应力张拉,主张拉采用C1500F千斤顶。
The preliminary tensioning of the horizontal restraints of dome and cylinder wall is made with equal stress while the principal tensioning is executed with C1500F jack.
根据径向拉杆的张拉力值选用不同的千斤顶进行张拉,保证了张拉精度,减少了施工操作的难度。
According to stretching loads, different jacks were selected to ensure stretch precision and reduce construction difficulty.
根据径向拉杆的张拉力值选用不同的千斤顶进行张拉,保证了张拉精度,减少了施工操作的难度。
According to stretching loads, different jacks were selected to ensure stretch precision and reduce construction difficulty.
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