本文主要介绍了专桥2119后张法预应力混凝土桥梁的施工方法。
This paper introduces the constructing method of rear - spreading prestressed concrete in Bridge 2119.
文章以一座单塔单索面竖琴式预应力混凝土桥为例，详述了静动载试验的原理、方法、过程、测试项目、试验工况等。
Taking the single pylon single cable plane pre-stressed concrete cable-stayed bridge as example, the paper discusses the principle, methods, testing items, and experiment conditions, etc.
在预应力混凝土连续刚构桥预应力设计中，有两个问题急需要解决。
In the prestress design of PC continuous rigid frame bridge, there are two problems in dire need of solving.
跨座式单轨PC(预应力混凝土)轨道梁桥结构具有承重、导向及稳定的作用。
Straddle type single track beam of Press Steel Concrete (PC) possess the action of bearing, orienting and stabilizing.
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,.
试验证明，利用体外预应力技术加固混凝土简支梁桥，可以明显提高承载力及延性。
The test results show that the externally prestress technology can be applied in strengthening concrete simple span beam to enhance its bearing capacity and ductility.
沈阳市富民桥主桥为折线形双塔独柱式单索面预应力混凝土斜拉桥。
The main bridge of Fumin bridge in Shenyang is a prestressed concrete cable-stayed bridge with double kinked column pylons and single cable plane.
预应力设计是混凝土连续梁桥设计中的重要组成部分。
The prestress design is the important part in the design of concrete continuous 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。
This article mainly aimed at analyzing and calculating some problems related to the torsion design of curved prestressed concrete girder Bridges.
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。
The hanging baskets are the main equipments in the cantilever casting construction of large-scale prestressed concrete continuous rigid bridge and continuous 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。
With its excellent section characters, the prestressed concrete box beam plays a main role in the girder bridge.
非对称形式的施工荷载对悬臂施工阶段大跨径预应力混凝土刚构桥的稳定性更为不利。
The unsymmetrical construction loads is dangerous to the stability of long-span prestressed concrete rigid-frame bridge during cantilever construction phase.
本文提出了一种新桥型——部分预应力混凝土组合连续梁桥的设计原理与施工方法。
In this paper, some design principles and construction methods of a new type composite continuous beam bridge with partially prestressed concrete have been put forward.
分析无粘结预应力混凝土梁桥的主要困难，在于构件的截面强度和构件整体变形耦合。
The main difficulty in analysis of unbonded prestressed concrete beam bridge is the coupling between the sectional strength of member and the whole structural deformation of member.
本文还针对预应力混凝土连续刚构桥和斜拉桥，分析计算了其在施工和运营阶段，混凝士徐变对桥梁结构的影响。
The influence of concrete creep on bridge structure under the construction and operation stage for prestressed concrete continuous rigid frame bridge and cable-stayed bridge is also analyzed.
其次，研究了预应力混凝土曲线梁桥中预应力钢束对曲线梁桥扭矩的影响。
Secondly, I have researched the influence of prestressed reinforcement on the torsion of curved girder bridges.
通过磊口大桥工程实例，对带挂梁的预应力混凝土T型刚构桥的设计进行总结。
By a actual engineering example in Leikou bridge, the design of prestressed concrete T-frame bridge hanging a beam.
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。
A static and dynamic-based evaluation procedure of load-carrying capacity for existing prestressed concrete girder bridges is proposed.
介绍了预应力混凝土连续刚构桥的施工控制原理和方法，以及磴口黄河大桥施工控制的实施步骤。
The principles and methods of construction control of pre_stress concrete continuous rigid frame bridge, and detailed construction control measures of Denkou Yellow River are introduced in the paper.
计算结果验证了预应力混凝土箱形连续梁桥中出现斜裂缝的原因推测。
Results prove that presumption of the causes of diagonal cracks in continual box-gird with pre-stressed concrete bridge is correct.
预应力混凝土连续梁和连续刚构桥是目前桥梁工程中应用最广泛的桥型，通常采用平衡悬臂方法施工。
Pre-stressed concrete continuous beam and continuous concrete rigid frame bridge, constructed through balanced cantilever, are the widest used in recent Bridges.
采用三维实体单元和杆单元相结合的空间组合有限元方法，对一座两跨曲线预应力混凝土箱形连续梁桥进行空间受力分析。
Using a spatial composite finite element method, combining three-dimensional solid element and bar element, the mechanical analysis of a two-span curved PC continuous box girder bridge is conducted.
无粘结部分预应力混凝土(UPPC)梁桥抗弯强度计算的关键，是如何确定无粘结预应力筋的极限应力。
The key to calculate the ultimate flexural strength of unbonded partially prestressed concrete (UPPC) beam Bridges is how to determine the ultimate stress of unbonded post tensioning tendons.
阐述了体外预应力结构的概念与特性，分析了传统体外预应力混凝土梁桥建模方法——等效荷载法和荷载平衡法的缺点。
The shortcomings of the traditional modeling methods, the equivalent load method and the load balance method, in external pre-stressed concrete bridges were analyzed.
介绍某预应力钢筋混凝土斜弯坡桥在工程即将完成之际，进行桥面铺装之前发生沉降情况及原因分析，并对沉降后的桥梁进行复原与加固。
Described in this paper is the settlement of some prestressed RC bridge which occurred when deck pavement was to be paved, including analysis of the causes, and recovery and enhancement thereof.
介绍某预应力钢筋混凝土斜弯坡桥在工程即将完成之际，进行桥面铺装之前发生沉降情况及原因分析，并对沉降后的桥梁进行复原与加固。
Described in this paper is the settlement of some prestressed RC bridge which occurred when deck pavement was to be paved, including analysis of the causes, and recovery and enhancement thereof.
应用推荐