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- The stiffening beams of the side spans are prestressed concrete box beams. 主跨加劲梁为钢箱梁,边跨加劲梁为预应力混凝土箱梁。
- Continuous prestressed concrete box beam bridge 预应力混凝土连续梁桥
- prestressed concrete box beam with pretensioning method 先张梁
- Comparison Between Prestressed Concrete Box Beams Prefabricated by Long Line or Short Lone Methods 采用长线法和短线法预制预应力混凝土箱梁节段的比较
- A Theoretical Calculating Method for Ultimate Torsional Strength of Prestressed Concrete Box Beams 弯剪扭共同作用下预应力混凝土箱梁抗扭极限强度的理论计算方法
- The Jack-in Construction Technology of Prestressed Concrete Box Beams with Large Load across Railways 大吨位预应力混凝土箱梁跨铁路顶推施工技术
- Construction technology for in-situ precast of single post-tensioned prestressed concrete box beam 后张法预应力混凝土单箱梁现场预制施工工艺
- Analysis of the ultimate load capacity for long-span continuous rigid-frame bridge prestressed concrete box beam 大跨度连续刚构桥预应力混凝土箱形梁极限承载力分析
- Design of Mixture Ratio and Pumping of C50 HPC of Prestressed Concrete Box Beam for Passenger Dedicated Railway 客运专线箱梁C50高性能混凝土配合比设计与泵送施工
- prestressed concrete box beams 预应力混凝土箱型梁
- prestressed concrete box beam 预应力混凝土箱梁
- The paper mainly expounds construction procedures for concrete box beam prestressed in post-tensioning method. 本文主要阐述了后张法预应力混凝土箱梁的施工方法。
- The successful alternative was the cast-in-place segmental prestressed concrete box girder. 最后采用的方案是分段现浇的预应力混凝土箱形梁。
- Non-uniform prestressed concrete continuous box beam is widely used because of its beautiful appearance,relatively big torsional stiffness and various service conditions. 变截面预应力砼连续箱梁因外形美观,抗扭刚度较大,能够适应各种使用条件,而被广泛应用。
- This paper introduces structure of waveform steel web prestress concrete box girder and construction method for several bridges. 介绍了波形钢腹板预应力混凝土箱梁的结构和几座桥梁的施工方法。
- Aim at to structure characteristics of the prestressed concrete consecution box beam, tally up its familiar construction profile blemish with the quantity trouble, and analysis its produce the reason with study its prevention and cure measure. 针对预应力砼连续箱梁的构造特点,总结其常见施工外观缺陷和质量事故,并分析其产生原因和研究其防治措施。
- In prestressed concrete, consecution box beam construction process, to the external appearance quantity problem that appear, should tally up the experience precept, combine to adopt homologous technique measure. 在后张法预应力砼连续箱梁施工过程中,对出现的外观质量问题,应总结经验教训,并采取相应的技术措施。
- The paper studies on deformation control problem in precast splice course of 25m wide arc prestressed concrete segment box beam in combination with Hu-Min Road Elevated Road Stage II Project in Shanghai City. 结合上海市沪闵路高架二期工程 ,对采用的 2 5m宽弧形预应力混凝土节段箱梁在预制拼装过程中的变形控制问题进行研究。
- In order to shorten construction durations, people often apply the steam curing technology to the prefabrication of concrete box beams in many projects. 采用蒸汽养护技术预制混凝土箱梁可以提高梁的品质,缩短施工周期,该技术的难点在于严格、准确、实时地控制温度变化。
- The Gaoji Strait Bridge in Xiamen(Amoy)adopts a superstructure of continuous prestressed concrete box girders with equal spans of 45m each and the stepping formwork construction method. 厦门高集海峡大桥主桥上部为45m等跨等截面预应力混凝土连续箱梁,采用纵向滑模逐跨现浇混凝土施工;