应能保证结构的整体性。

6.答：框架梁的构造措施应考虑：梁截面尺寸、梁的配筋率、梁的箍筋、梁内纵筋锚固。框架柱的构造措施应考虑：柱截面尺寸、轴压比限值、柱纵向钢筋的配置、柱的箍筋要求。

四、计算题:

1.解：A?240?16?2?320?10?10880mm2Ix?10?3203/12?2?240?163/12?240?16?1682?2?244,066,000mm3Iy?2?16?2403/12?320?103/12?36864,000mm3ix?iy?Ix244,066,000??149.77mmA10880Iy?36864,000?58.2mmA10880l10800?x?0x??72.1ix149.77?y?l0yiy?3600?61.858.2查表得?x?0.744,?y?0.8011500?103?173.4N/mm2?f?215N/mm20.801?10800此柱的整体稳定性满足要求。 2.解

l?t?f?500?14?215?1505,000N?1505kN

Nu?ftwlwt?185?500?14?1295,000N?1295kN?1505kN故此对接焊缝所能承受的轴力为1295kN。