查询词典 bridge construction

Through the construction of the sea wharf bridge approach piling works of Shenneng Oil Depot Project in Qinzhou, the article expounds the basic sea piling construction procedure and techniques of bore-hole wall protection by steel pipe and hole-excavation by hand.

文章通过深能钦州码头油库工程海上码头引桥桩施工的工程实例，阐述钢护筒护壁人工挖孔在海上基桩施工的基本工序及施工工艺，证实钢护筒护壁人工挖孔施工工艺，在地层简单的浅海场地，是一种行之有效且无污染、机具简单、成本低、进度快的施工方

The development of travelling trestle bridge fabrication machine in China was reviewed. Bridge fabrication machines were classified according to PC box girder's position in travelling trestle. A comparison was made between two construction methods: precast girder assembly method and cast\|in\|situ method.

我国移动支架造桥技术的进展预应力混凝土梁的施工有架桥机架设、顶推架设、悬臂灌筑、悬臂拼装、造桥机造梁等几种方法，各有其适用范围，而采用造桥机架梁系墩顶原位造梁，跨度、墩高适用范围广，不影响桥下交通，梁施工时的状态与运营工况一致，且省工省料，建造速度快，梁既可工厂化分节预制，也可在模架上整孔现浇。

This paper is based on the former research taking the No.1 Tong-Lv Bridge as an example; the large universal finite element program Midas/Civil is adopted, a three-dimensional finite element model is established. The static performance, the comparative analysis of influence surfaces, the experimental study and the analysis of a local finite element model of the new style three-span continuous through type bow-string arch bridge is made. With these studies, this paper is aimed at revealing the performance of this kind of construction.

本文在前人研究的基础上，以通吕一号桥为背景，采用空间有限元法对结构形式新颖的三跨连续下承式系杆拱桥的静力性能、影响面比较分析、实桥荷载试验、局部节点分析等进行研究，旨在深入理解该结构形式桥梁的力学性能，为今后相同结构体系桥梁的结构分析提供可以参考的建议。

In the case of a super-long span suspension bridge across wide mountain valley, steel truss stiffening girder is more adaptable for the bridge section than steel box girder due to the limitation of construction condition.

在山区峡谷大跨度悬索桥的建设中，由于受施工条件的限制，桁架加劲梁比钢箱梁在施工方面具有更好的优越性。

Finally, it can be concluded that the construction process of Shaxi Bridge is reasonable, and that the influence of shrinkage, creep and temperature load on the prestressed concrete slab bridge is obvious. It is showed that the calculation result using FEM and the actual damage phenomenon fit well.

最后，通过这些分析可以看出沙溪大桥的施工过程是合理的，收缩徐变和温度效应对预应力混凝土板拉桥的影响很大，验证了有限元计算结果与实际出现病害现象的吻合。

Skew hollow slab bridge has become an important part of skew bridge because of its low building height and simple construction.

斜交空心板桥以其建筑高度小、施工方便等特点成为斜交桥中重要的一部分。

Based on the characteristics of the skewed bridge in a city, the article briefly analyzes the reasons producing the cracks at the hollow slab beam of this bridge from the aspects of load, contraction, temperature and construction.

该文根据某市内斜交桥的特点，从荷载、收缩、温度、构造等方面对该桥的空心板梁处裂缝产生的原因进行了简单分析。

The hanging basket s 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。

Based on the application of grey forecasting control theory on the hybrid d cable-stayed bridge, the paper puts forward construct control system of the hybrid cable-stay bridge by cantilever assemble construction.

将灰色系统理论和预测控制理论应用于混合梁斜拉桥，提出了悬臂拼装施工的混合梁斜拉桥施工控制体系。

It is very easy to understand and grasp the calculation model's parameters estimation of a large span box-beam bridge with the least square method, and the theory's effect on the cantilever construction control of the bridge with a main span below 100m is obvious and well.

对主跨≤100m的大跨连续箱梁桥悬臂施工控制，采用最小二乘法进行参数估计，较容易理解和掌握，而且施工控制效果良好，具有一定借鉴意义。

By the time of its fall, most of the prisoners were writers who had written against the corruptions of the government.

到它被攻陷的时候，里面多数的犯人是写了反对政府贪污文章的作家。

The most obvious variation to ovum morphological character was that the color was changed from light green to sepiaceous in embryonic development, and all the ovums were almost hatched after 96h.

在胚胎发育过程中卵的形态特征最明显的变化是颜色从淡绿到深褐色，卵在发育96h后卵基本全部孵化。