As a space analysis technics of bridge, it has predominant that application of space integrated element method to assessing and reinforcing of old bridge.
For the reinforcing soil, the soil and reinforcing materials interaction and the load-deflection relationship of the reinforcing materials can be described very well by using finite-element method.
对于加筋土，应用有限元法可以有效地分析土与加筋材料间的相互作用及加筋材料本身的应力应变关系。
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Based on the theory of block element method and calculating model, this paper suggests a calculating model for block element method with effect of reinforcing steel bar considered.