大吨位锚固区混凝土抗裂性及承压能力研究

Study of Crazing Resistance and Bearing Capacity of Concrete at Heavy Tonnage Anchorage Zone

通过大吨位锚固区混凝土模型试验及 ＳＡＰ９１有限元计算分析，论证了锚固区混凝土的抗裂性及极限承载能力，分析了锚下裂纹对承载能力的影响，提出了探索性的建议。并简要介绍了ＳＴＭ 理论。

Based on the model tests and finite element calculation with SAP91 for concrete at heavy tonnage anchorage zone, the crazing resistance and ultimate carrying capacity of the concrete thereof are demonstrated. The influences of crazing under the anchorage upon the carrying capacity are analyzed, and exploratory proposals are made. Additionally, STM theories are briefed and some empirical understandings are obtained.