为此国内外近年来均在探讨联肢墙小跨高比连梁改善抗震性能，特别是改善抗震抗剪性能的有效设计方法。
In recent years, the effective design method that small-span-to-depth-ratio coupling beams in coupled walls improve seismic resistance behavior is discussed in home and abroad.
经粘钢加固后的钢筋混凝土梁具有极限承载力高、抗弯刚度大的优点，裂缝开展也得到有效的控制。
After strengthening by the steel plate, the - beams gain the better bending stiffness, higher limit load-bearing and flaw of the beam can be controlled soundly.
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