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沪宁高速公路新兴塘大桥主桥极限承载能力试验是国内外首次预应力混凝土连续箱梁桥极限承载能力实桥试验。对该试验的方案、流程和结果进行介绍,并基于试验结果对该桥的承载能力、受力特性、破坏机理等进行分析。
The ultimate bearing capacity test of the main bridge of Huningtang Bridge on Shanghai-Nanjing Expressway is the test of the ultimate bearing capacity of the first prestressed concrete continuous box girder bridge at home and abroad. The scheme, process and result of the test are introduced. Based on the test results, the bearing capacity, stress characteristics and failure mechanism of the bridge are analyzed.