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本文提出了一种理论性较强、适用于普通钢筋混凝土梁及部分预应力混凝土梁开裂后刚度的统一计算模式。对所建议的计算公式用大量模型梁试验数据进行了验证。
This paper proposes a unified calculation model that is strong in theory and applicable to the post-cracking stiffness of ordinary reinforced concrete beams and partially prestressed concrete beams. The proposed calculation formula was verified using a large number of model beam test data.