A static and dynamic-based evaluation procedure of load-carrying capacity for existing prestressed concrete girder bridges is proposed.
建立了基于静动力测试的既有预应力混凝土梁桥的承载力评估方法。
This article mainly aimed at analyzing and calculating some problems related to the torsion design of curved prestressed concrete girder Bridges.
本文主要针对预应力混凝土曲线梁桥抗扭设计中的相关问题进行了分析计算。
When using reinforced-stress gauge to measure structural stresses in prestressed concrete girder bridge, there exist errors between measured values and the theoretical ones because of various factors.
采用钢弦式应力计测量预应力混凝土桥梁结构应力时，由于种种原因，将导致测试结果与理论计算结果不符。
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。
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。
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。
The shaking table test was conducted to gain an insight into the earthquake resistant performance of a large-span prestressed concrete grillage girder space frame structure.
利用地震振动台对大跨预应力混凝土井式梁空间框架结构的抗震性能进行了实验研究。
Research purposes: the segmental casting method is often used in the full framing construction of prestressed concrete continuous girder because concrete casting in-site is too much.
研究目的：预应力混凝土连续梁采用满布支架施工时，常常因为现场浇注的混凝土量过大，而不得不分段进行施工。
Construction technology and quality control measures for steel box girder, high-strength bolt, prestressed concrete box girder and inclined cable are briefly introduced.
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。
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,.
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。
With its excellent section characters, the prestressed concrete box beam plays a main role in the girder bridge.
预应力混凝土箱梁以其优良的截面性质在梁桥中占据了主要地位。
The long-term deflection of Long Span Prestressed Concrete Box-girder Bridge(LSPCBB) is getting more and more serious in terms of structure safety.
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 shaking table test has thus been conducted of a large-span prestressed concrete grillage girder frame structure to gain an insight into its earthquake-resistant performance.
利用模拟地震振动台对这种大跨预应力井式梁框架结构的抗震性能进行了研究。
The hanging baskets are the main equipments in the cantilever casting construction of large-scale prestressed concrete continuous rigid bridge and continuous girder bridge.
挂篮是目前大跨径预应力混凝土连续刚构桥和连续梁桥在悬臂浇注施工时主要采用的施工设备。
However, box girder cracking and long-term midspan deflection are the defects which commonly exist in the long-span prestressed concrete box girder bridge.
但箱梁开裂与跨中下挠是目前大跨预应力混凝土箱梁桥中普遍存在的病害。
Prestressed concrete continuous box girder and steel-concrete composite girder are more and more adopted in construction of highway and railway.
预应力混凝土连续箱梁与钢混结合梁在公路、铁路工程中的应用越来越普及。
Aiming at the main damage and its causes of a large-span continuous rigid framework bridge, the strengthening measure of adding the external cable to prestressed concrete box girder was introduced.
针对某大跨度连续刚构桥出现的主要病害及其原因，介绍了采取增设预应力混凝土箱梁体外索的加固措施。
The approach Bridges of Binzhou Huanghe River bridge are of prestressed concrete continuous girder structures used with C50 high performance concrete.
滨州黄河大桥引桥是预应力混凝土连续梁桥，采用C50高性能混凝土。
In this paper, the design of the long span asymmetric prestressed concrete curved continuous girder bridge, and static and dynamic load tests for the completed bridge are described.
介绍大跨度不对称曲线预应力混凝土连续梁桥的设计和成桥后的静、动载试验。
In this paper, prestressed concrete continuous girder bridge is studied by using finite element analysis tool with support project.
本文以预应力混凝土连续梁桥为研究对象，采用有限元分析手段结合依托工程进行研究。
By test, we will know more about prestressed concrete semi-rigid frame continuous box girder bridge.
通过试验，使我们对于预应力混凝土半刚构-连续梁桥有了进一步的认识。
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.
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。
Now cantilever construction of prestressed concrete continuous box girder as the chief construct methord in engineering has gone intio the rang of mature.
预应力混凝土连续箱梁的悬臂施工作为大跨径桥梁的主要建设方式日渐成熟，但此类桥梁设计、施工中仍然存在着某些关键问题其处理方式比较含糊。
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.
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 flexural behavior of the prestressed concrete continuous box girder with variable cross-sections is analyzed through a practical example.
结合实际箱梁算例，分析预应力混凝土变截面连续箱梁的挠曲性能。
Prestressed construction technology of the box girder concrete of the bridge and the vacuum grouting technology;
真空压浆是后张预应力混凝土结构施工中的一项新技术，已经越来越广泛地应用于工程实践中。
Prestressed concrete box girder with its structural rigidity for good, smooth driving comfort, appearance handsome, conservation and has the advantages of simple engineering welcome.
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。
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.
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。
With its excellent section characters, the prestressed concrete box girder plays a main role in PC bridges.
预应力混凝土箱梁以其优良的截面特性在混凝土梁桥中占据主要地位。
With its excellent section characters, the prestressed concrete box girder plays a main role in PC bridges.
预应力混凝土箱梁以其优良的截面特性在混凝土梁桥中占据主要地位。
应用推荐