查询词典 cofferdam

With reference to several construction exemplars of the steel boxed cofferdam s used for piers in sea, Donghai Bridge close to island side, the key points of design and construction of the cofferdams used in marine environment are presented.

结合东海大桥近岛段海上墩钢吊箱围堰的施工实例，介绍在海上施工环境中钢吊箱设计与施工要点，在没有大型吊装设备的情况下为海上进行大型吊箱围堰的施工提供施工方法和技术。

Long periods are needed during the storage at the cofferdam for the complexity of dredged slurry, which will affect the operation of cofferdams and reuse of the dredged slurry.

由于吹填淤泥性质复杂，堆场贮存的淤泥需要很长时间进行自然沉积固结，影响贮存堆场的运营和淤泥的再生利用。

Taking the construction of the elevated pile caps in deep water for main piers of Minjiang River Bridge on the newly-built Fuzhou-Xiamen Railway as an example,this paper presents the optimal design of the steel boxed cofferdam structures on the basis of mechanical analysis of the cofferdams subjected to different load cases.

以新建铁路福厦线闽江特大桥主墩深水高桩承台施工为例，介绍通过钢吊箱围堰各工况的受力分析，进行优化设计钢吊箱结构。

To build the sheet-pile quay-wall on the soft foundation with relative low allowed bearing capacity may decrease volume of earthwork and problems such as cofferdam construction, etc.

在地基允许承载力较低的软基上修建板桩码头，可减少土方工程量及解决工程施工围堰困难等问题。

A new advanced blasting technique in China, delay in hole and sequence out hole blasting technique, was adopted in underwater blasting excavation of guide ditch ahead of water conveyance tunnel at Xiaowan Hydropower Station, thereby the controlling aim of high explosive rate and low single dynamite weight was achieved, the maximal particle vibration velocity was controlled in allowable range, guaranteed the safety of Cofferdam and rock dam and entrance water tower and so on, provided powerful guarantee for the successful guide water of the guide tunnel.

小湾水电站导流隧洞进口围堰堰外引渠水下爆破开挖采用了目前国内较为先进的孔内延时，孔外微差的爆破技术，整个爆破区分为多段起爆，从而达到高单耗，低单响药量的控制目的，将质点的最大振动速度控制在允许范围内，有效保证了围堰、围堰岩埂灌浆帷幕区及进水塔等建筑物的安全，为导流隧洞顺利导流提供了保证。

A new advanced blasting technique in China, delay in hole and sequence out hole blasting technique, was adopted in underwater blasting excavation of guide ditch ahead of water conveyance tunnel at Xiaowan Hydropower Station, thereby the controlling aim of high explosive rate and low single dynamite weight was achieved, the maximal particle vibration velocity was controlled in allowable range, guaranteed the safety of Cofferdam and rock dam and entrance water tower and so on, provided powerful guarantee for the successful guide water of the guide tunnel.

简介： 小湾水电站导流隧洞进口围堰堰外引渠水下爆破开挖采用了目前国内较为先进的孔内延时，孔外微差的爆破技术，整个爆破区分为多段起爆，从而达到高单耗，低单响药量的控制目的，将质点的最大振动速度控制在允许范围内，有效保证了围堰、围堰岩埂灌浆帷幕区及进水塔等建筑物的安全，为导流隧洞顺利导流提供了保证。

We are in a good position to meet your requirements.

我们完全可以满足你方的需求。

We are all pervade d with a sense of disaster.

我们普遍有大祸降临的感觉。