Some measures of setting late poured band, optimizing mix proportion of concrete and controlling raw material quality can assure no cracks in circle beam foundation.
通过采取设置后浇带，优化混凝土配合比，控制原材料质量等措施，保证环梁基础不产生裂缝。
A method of topology optimization of grillage structure with stress constraints is presented and applied to analyze the reinforced beam of raft foundation.
对筏型基础的加强梁分布进行拓扑优化分析，提出一种应力约束下的格栅结构的拓扑优化方法。
Ultimate strength design is not required and the reinforcement can be determined only on basis of allowable crack width in design of beam on foundation.
地基梁可不进行承载能力极限状态的计算，其配筋可由正常使用极限状态中的允许裂缝宽度来确定。
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