【摘要】 介绍了预应力空心梁台坐、底座的选择与建造和钢铰线先张法的施工工艺和张拉过程应注意的问题 ,为保证预应力空心梁的预制质量提供了可靠的数据和措施更多还原

【Abstract】 The paper introduces the precautions on the selection and building of prestressed hollow beam stand and base, construction technology in method of strand pretensioning and prestressing process. Therefore, it accordingly provides the reliable data and measures to ensure the quality on precasting of prestressed hollow beam.更多还原