波形钢腹板预应力混凝土箱梁具有区别于传统混凝土箱梁结构的的力学特性。
Distinguished with conventional box girders, prestressed concrete box girders with corrugated steel webs possess itself mechanical performances.
预应力混凝土连续箱梁桥的开裂可以说是“多发病”,影响着构件的外观、使用寿命,甚至结构安全。
Cracking is quite common in prestressed concrete continuous box girder bridge, which influences appearance of component, life span of using, and even safety of structure,.
再次,讨论了预应力、混凝土徐变、箱梁抗弯刚度等对桥梁结构下挠的影响。
Thirdly, pretressing, concrete creep and bending rigidity of box girder are studied to discuss their impacts on the deformation of girder.
预应力混凝土连续箱梁以其结构刚度好、行车平顺舒适、外形美观、养护简单等优点而备受工程界欢迎。
Prestressed concrete box girder with its structural rigidity for good, smooth driving comfort, appearance handsome, conservation and has the advantages of simple engineering welcome.
无论是钢结构还是混凝土结构,空心的箱型结构对承梁和桥墩都比钢梁桁架式结构好。
Hollow box structures for both the deck and piers, whether of steel or concrete, are better than steel trussed structures.
简要介绍武汉白沙洲大桥主桥上部结构的钢箱梁、高强螺栓、预应力混凝土箱梁、斜拉索的施工工艺和质量控制措施。
Construction technology and quality control measures for steel box girder, high-strength bolt, prestressed concrete box girder and inclined cable are briefly introduced.
根据箱梁结构的受力特点,提出采用应力设计方法解决预应力混凝土箱梁的受力开裂问题。
On the basis of the mechanical behavior of box girders, the stress design method is brought forward against the PC box girder bridge cracking.
吉水赣江大桥是江西省第一座拱上建筑采用现浇连续板梁式结构,且桥墩为钢筋混凝土空心墩的箱型拱桥。
Ganjiang bridge in Jishui is the first box-arch bridge, which has continuous cast boards and girders construction on the arch and whose piers made from reinforced concrete are hollow.
本文针对重庆市某沟埋式市政混凝土箱涵的开裂事件,运用了弹性地基梁理论进行箱涵结构计算。
The cracking in embedded concrete box culvert in Chongqing City was studied and the structural calculation checks in this paper were performed using elastic foundation beam theory.
无锡金城大桥主跨上部结构为预应力混凝土连续箱梁,纵、横向预应力孔道压浆采用真空辅助压浆工艺。介绍该真空辅助压浆的施工工艺。
The superstructure of the main spans of Jincheng Bridge in Wuxi is a prestressed concrete continuous box girder with its longitudinal and transverse prestressing ducts grouted by vacuum method.
最后,对桥梁设计计算、桥梁混凝土施工及箱梁下挠的防治技术进行论述,并对开展控制结构长期下挠的研究提出了建议。
The long-term deflection of Long Span Prestressed Concrete Box-girder Bridge(LSPCBB) is getting more and more serious in terms of structure safety.
为了解决大跨度预应力混凝土箱梁桥出现的严重的安全问题(如结构性开裂和不正常的过度下挠等),设计和构建了该类箱梁桥的结构健康监测系统。
A health monitoring system for long span prestressed concrete box-girder Bridges was designed to solve bridge safety problems related to structural cracks and excessive deflection.
近年来,在我国许多的城市道路建设中,钢箱—混凝土组合梁这种结构形式越来越多地被采用。
Recently, composite steel-concrete beam is adopted more and more in the urban road of our country.
提出了一种新型钢砼组合结构——钢箱砼组合受弯构件,该构件由钢箱梁,钢筋混凝土梁及pbh剪力连接件组合。
A new steel-concrete composite structure was proposed which composed of steel box beam, PC beam and PBH Shear connection.
对于高烈度地震区大跨桥梁的设计推荐了一种全新的桥式方案——空腹式箱梁连续刚构,该结构是钢管桁架和预应力混凝土板的组合结构。
The author recommends a brand new long-span bridge structure in high intensity earthquake areas—consecutive box girder rigid frame bridge with hollow abdomen.
芜湖长江大桥桥塔拉索锚固区为预应力混凝土箱形结构,无中间梁,索塔锚固区为单箱单室结构。
The cable anchoring zone on the cable tower of the Wuhu Yangtze River bridge is of pre stressed reinforced concrete box structure without intermediate beam.
组合箱梁结构充分利用了钢箱结构和混凝土结构的优点。
The composite box beam may make use of the advantage both the steel box beam and the reinforced concrete slab.
波形钢腹板PC箱梁结构是一种新型的钢-预应力混凝土组合结构,由于其自身的诸多优点应用日趋广泛。
PC box girder with corrugated steel web is a new type of steel-prestressed concrete composite structure, which is used widely because of its many advantages.
尽管存在施工方面的原因,但结构设计理论不足,是预应力混凝土箱梁开裂的主要原因。
Although the cause has some relation with construction operation, yet the major factor should be due to deficiency of the theory and improper design of the prestressed steel.
运营中的大跨径预应力混凝土梁桥箱梁普遍开裂,严重影响了桥梁结构的安全性和耐久性,造成了桥梁过早的失效和破坏。
The long-span prestressed concrete beam bridge is likely to craze in operation, which decreases the bridge's safety and durability and then leads to its structure's early failure and destruction.
运营中的大跨径预应力混凝土梁桥箱梁普遍开裂,严重影响了桥梁结构的安全性和耐久性,造成了桥梁过早的失效和破坏。
The long-span prestressed concrete beam bridge is likely to craze in operation, which decreases the bridge's safety and durability and then leads to its structure's early failure and destruction.
应用推荐