然而,我国对于桥面铺装方面的研究开展得较晚,相关研究也较少,尤其是针对大跨径水泥混凝土桥的沥青混凝土桥面铺装的研究更少。
However, the study of bridge deck pavement in our country is carried out very late, and relevant study is less, especially the study aimed for the macro-span concrete bridge is even less.
这种抗震设计思想对高烈度地区的大跨径连续梁桥设计具有现实意义。
This idea can be used for design of large span continuous beam in strong seismic area.
该桥施工特点是深水基础、跨径大。
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.
因而对于大跨径箱梁桥特别是多室薄壁箱梁进行进一步的探索,是很有必要的。
So it is necessary to do some further researches in thin-walled box girder, especially in multichambered thin wall box girder.
为了保证大跨径连续刚构桥悬臂施工的质量和安全,施工控制是非常重要的。
To ensure the quality and security of the prestressed concrete continuous rigid frame bridge, construction control was of great importance.
大跨径钢桥桥面铺装层的使用条件和受力状态十分恶劣,对铺装层材料要求非常高。
The mechanical and application condition of pavement on long span steel bridge deck is so hard that the paving material is of high requirement.
新奥尔良大钢桥表现出了现代大跨径钢桥悬臂施工的技术。
The Great New Orlean Bridge represents modern contemporary long - span steel cantilever construction.
灰色预测控制系统不仅可以对大跨径连续梁桥的施工进行控制,而且方法简单,效果显著。
Gray predict control system can be applied in construction control of long-span prestressed concrete continuous bridge, and the method is simple, the result is prominent.
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.
大跨径PC箱梁桥因为其具有截面抗扭刚度大、效率高等优点,被广泛应用于中等跨径的公路桥梁工程中。
Long span PC box girder Bridges have been widely used in middling span Bridges in highway engineering as they possess many merits, such as huge torsion stiffness, high section efficiency.
我国已建成的一些大跨径连续梁桥及大跨径连续刚构桥都普遍采用薄壁箱形截面。
The structure of thin-walled box girders are commonly applied in some large span continuous beam bridges and rigid frame bridges in our country.
目前已建成的一些大跨径连续刚构桥中出现了裂缝,结构整体效应分析不够肯定是原因之一。
At present, a few of cracks appear in some continuous rigid Bridges which have been constructed, and one of the reasons must be the insufficient analysis to the whole structure.
跨中下挠过大是目前国内大跨径连续刚构桥的主要病害之一。
The excessive deflection in the midspan is one of the main faults in long-span continuous rigid frame Bridges.
目前已建成的一些大跨径连续刚构桥中出现了裂缝,结构整体效应分析不够肯定是原因之一。
At present, a few of cracks appear in some continuous rigid Bridges which have been constructed, and one of the reasons must be the insufficient effect analysis of the whole structure.
通过对环氧沥青混凝土性能的分析,得出了环氧沥青混凝土在大跨径钢桥桥面铺装中应用的可行性,并结合实际研究了环氧沥青混凝土的配制和施工工。
Based on analyzing the performance of epoxy asphalt concrete, the epoxy asphalt concrete as the deck paving in the big span steel bridge can be used.
通过对常规大跨径连续梁桥的施工控制方法的改进与优化,提出了适用于大跨径无砟轨道连续梁桥的施工监控方案。
On the improvement and optimization of conventional large span continuous bridge construction control, Proposed for long-span continuous bridge not Track construction monitoring program.
尤其在大跨径连续刚构桥的加固中,效果显著。
Especially in the continuous rigid frame bridge reinforcement, the results are obvious.
研究了高墩大跨径曲线连续刚构桥的竖向变形理论模型和侧向线性、非线性变形理论模型,建立了相应的变形控制模型。
Researched the vertical deformation and lateral one including linear and nonlinear theoretical models, the paper established corresponding deformation control models.
近年来,高墩大跨径连续刚构桥在深水库区的桥梁中逐渐得到应用。
In recent years, continuous rigid frame Bridges with long span and high piers are gradually applied in deep reservoir areas.
因此,国内从南京长江二桥开始,在大跨径钢箱梁桥面铺装工程中引进并开展环氧沥青混凝土技术的研究与推广应用工作。
Therefore, the research on epoxy asphalt concrete for long-span steel deck pavement was introduced into china by the steel deck pavement of 2nd Nanjing Yangtse River Bridge.
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.
正交异性钢桥面板的铺装问题是大跨径钢桥建设中的最复杂、最关键性的技术问题之一,是一项世界性的技术难题。
The orthotropic bridge deck pavement of long span steel construction is the most complex and critical technical issues, it is a worldwide technical problems.
本文对大跨径预应力连续刚构桥的设计参数进行了分析研究。
The thesis studies and analyzes parameter design of long span prestressed concrete continuous rigid-frame bridge.
本文对大跨径预应力连续刚构桥的设计参数进行了分析研究。
The thesis studies and analyzes parameter design of long span prestressed concrete continuous rigid-frame bridge.
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