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To reduce the vibration from blasting and ensure the safety of flood-control wall,the controlled blasting program of non-electric defonation circuit,span-by-span collapse and multilayer delay was adopted.

为减少拆除建筑结构倒塌着地振动，确保近侧防汛墙的安全，采用了非电复式起爆网路，逐跨倒塌或多层爆口延期的控制爆破方案。

The paper discussed proportion between side span and middle span in three spans prestressed continuous box beam bridge.

本文对三跨预应力连续箱梁桥的边跨与中跨比例问题进行了初步的探讨。

The one that need to emphasize is, advanced science and technology brings the extension of people's life-span, if beneficiary that the life-span lengthens' thinking stops but can only be looked after, Then even his unwilling death society will execute the bill of euthanasia , Old people's existence can't deprive children's existence .

需要强调的是，高技术带来人寿命的延长，倘若寿命延长之受益人思维停顿而只能受照顾，那么即使他不愿死亡社会也将强制执行安乐死的法案，老年人的生存不能剥夺儿童的生存。

As the economic index of the ordinary long span solid abdomen type portal rigid frame will drop along with the span increasing, a new type of way is presented in this paper, which is fixing up horizontal prestressed cables at the joints between beams and columns.

本文针对普通大跨度实腹式门式刚架随着跨度的增大经济性指标下降的问题，采取另一种方法，在门式刚架的梁柱连接处布置水平预应力拉索。

Taizhou Bridge on Changjiang river is an important ground anchor suspension bridge with 2×1080m span in Jiangsu province. It is the largest three-tower two-span bridge in the world.

泰州长江大桥是江苏省内跨越长江的又一座重要桥梁，采用三塔两跨地锚式悬索结构，跨径2×1080 m，为世界上同类桥梁之最。

In this dissertation, construction methods of long span arch bridges are reviewed firstly, and the lifting process of Shengmi Bridge's arch ribs is illuminated in detail. In succession, the status of study of wind-resistance in long span bridge construction is presented, and then the necessity of work of this dissertation is brought forward.

本文首先回顾了大跨度拱桥的施工方法，详细说明了生米大桥主拱肋吊装的施工过程，接着介绍了目前大跨度桥梁施工期间抗风研究的现状，提出了进行本文工作的必要性。

Thin-wall box structures are applied widely in long-span or mid-span bridges and it is difficult to calculated box beams.

大中跨预应力混凝土桥梁工程中广泛采用的箱形截面，其薄壁效应成为计算中的难点。

This paper introduces the method of installing support frame s to decrease the span of the bridge and the bending deflection of the mid-span.

本文重点介绍通过设置支撑架的方法，以减小桥梁跨径与跨中挠度，从而达到加固桥梁的目的。

The computation formulae for the deflection at the mid-span of equal-span continuous beams with 2-5 spans have been given out.

五跨等跨连续梁因支座变位引起的各跨跨中挠度计算公式。

The increase of bending moment at mid-span of the beam by vertical seismic excitation and internal force redistribution is proposed to be taken into account when the R/C frame structure has a comparative span.

在框架结构跨度相对较大的情况下，建议考虑竖向地震作用以及内力重分布引起的梁跨中弯矩的加大作用。

Green function defined inphase space differs from one in coordinate space by its struc-ture which exhibits nonlocatity in coordinates and oscillatorybehavior with respect to momenta.

在相空间中定义的Green函数不同于通常坐标空间的Green函数，在结构上显示出对坐标的高度非局域性，而对动量则显示出振荡行为。

The upper front part of a saddle;a saddlebow.

前鞍桥马鞍前面的上部分；前鞍桥