In 2000, pile-driving machine was first used in underwater construction in building Nanshi hydrologic station.
应用钻孔桩机建设澜石水文站自记台在水下施工。
There are lots of tasks of underwater construction, maintenance and rush repair in the Chinese inland waters such as rivers, lakes, reservoirs, etc.
我国内陆水库、江河、湖泊的水下施工抢修作业任务一直较为繁忙，因此需要开发一种适合快速调遣、运输及现场作业使用的潜水设备系统。
Canal engineer Canvass White solved one of the construction obstacles when he discovered how to create a cement that hardened underwater.
运河工程师Canvass White解决了一个施工难题，他发明了水下硬化水泥。
India has initiated the process of acquiring six more submarines on the lines of the under-construction Scorpenes to augment its underwater warfare capabilities.
印度已开始采购6艘正在建造“天蝎级”潜艇以增强其水下作战能力。
The Bohai Strait tunnel or Dalian-Yantai tunnel project proposes the construction of an underwater tunnel to connect Dalian on the Liaodong Peninsula to Yantai on the Shandong Peninsula.
渤海海峡跨海通道或大连-烟台隧道工程提出了一个海底隧道的建设，以连接大连的辽东半岛到烟台的山东半岛。
Commercial divers perform underwater activities related to construction, inspection, search, salvage, repair and photography.
商业潜水员进行水下施工，验收，搜索，打捞，修复和摄影等相关活动。
Some concrete construction control measures are proposed to ensure the piling quality of grouting underwater concrete.
提出了具体的施工控制措施，保证了灌注水下混凝土的成桩质量。
The covering thickness of underwater tunnel plays an important role in safety and cost of its construction.
水下隧道的覆盖厚度对其建设的安全和造价起着重要作用。
In this article the reasons impacting the effect of underwater repair have been analyzed, the new development on research of underwater repair material and construction equipment is introduced.
混凝土缺陷是一种普遍存在的现象，受材料及施工工艺的影响，混凝土缺陷的水下修补一直没有得到很好的解决。
The technology of underwater signal detection has significant theoretical and military values in our national defensive construction.
水声信号检测技术在国防科技建设中具有重要的理论意义和军事应用价值。
Combining an engineering case, this paper introduces the feasibility and construction technology of installation of rubber fender underwater using undiffused cement mortar.
结合实际工程，简介采用不扩散水泥砂浆水下安装橡胶护舷的可行性及施工工艺。
This paper deals with materials, design parameters. construction batch strength and design of mix proportion for underwater concrete cast in a major diameter cast in place pile.
论述大直径灌注桩水下浇注混凝土时的材料选择、设计参数选择、施工配制强度及配合比设计。
The construction technology, safety control and quality examination requirements of blasting method for underwater soft foundation of dikes and revetment words are briefly introduced.
简要介绍爆炸处理水下软基筑堤和护岸工程的施工工艺、施工安全控制、质量检验要求及方法。
This paper introduces the construction technology of underwater installation of large-caliber GRP pipe in the Yangtze Estuary Area.
本文简述了长江口水域实施大口径玻璃钢管水下安装施工工艺。
The construction of an SLBM test site with underwater communication and observation facilities and land-based missile tracking and telemetry facilities was finished in the early 1980s.
建立一个SLBM试验基地，水下通信和观察设备，陆基导弹跟踪和遥感勘测设备在1980年早期完成。
The experience of underwater blocking construction of deep river swell with big sand bags at Longxue Ship-Building Base in Nansha is presented.
介绍南沙龙穴造船基地深水河涌水下大砂袋封截的施工经验。
This paper presents a new technique and new material for underwater concrete patching on tidal reach, which is characterized by low cost, simple construction, convenient operation and good effect.
介绍一种用于水下、潮差段混凝土修补的新材料和新技术，该技术造价低，施工简单，可操作性强，效果良好。
The synopsis gives an introduction to the significance, functions, schemes as well as construction tentative ideas of building underwater tunnel at Shangyuanmen.
概要介绍了修建上元门越江水底隧道的意义、作用、方案概况及施工设想等。
Construction measures and quality control methods of underwater riprap protection of bank are provided, and a practical example is given.
文章提出水下抛石护岸施工组织措施和质量控制途径，并给出实例。
With different construction method, (from Chapter 1 to Chapter 3), they are immersed tunnel, underwater shield tunnel and the underwater tunnel by using mining method respectively.
第1 -3章分别是按施工法区分的水底沉管法隧道、水下盾构法隧道、水下矿山法隧道。
In underwater tunnel construction, to confirm the reasonable cover thickness is the key in the technology.
合理的确定水下隧道覆盖层厚度是建设水下隧道关键技术之一。
This is the feedback of the seepage cutting concrete wall construction materials after masonry drills boring and casting underwater in the conditions of Quaternary geology.
这是第四纪地质条件下经冲击钻造孔并进行水下浇筑混凝土防渗墙工程资料的反馈。
Discusses the construction quantity problems which appears in the borehoh impregnator and underwater concrete depositing process, and puts forward its prevention measures.
对钻孔灌桩和水下混凝土灌注过程中出现的施工质量问题进行了探讨，并提出了其防治措施。
Experiment research method of realize this scheme of counter underwater and the construction of camouflage system are discussed and studied primarily.
对实现该水下对抗方法拟采取的实验研究路线与将建立的伪装系统进行了初步的探讨和研究。
Based on soft foundation treatment of a workshop project, construction control points of underwater membrane repairing technology are researched.
结合某厂房工程软基处理，研究了水下补膜技术的施工控制要点，并与常规补膜方法进行经济性对比分析。
The research includes design of the floating camel gate, design of the anti-seepage system beneath the floor of barrage and underwater concrete construction technology and so on.
本文结合该工程，开展大型浮体闸大孔径浮箱钢闸门设计研究制作以及水闸水下不分散混凝土和闸底部防渗系统设计及水下建造技术的研究。
Combining the construction practice of drilling piles, it mainly introduces some experience and understandings to quality assurance of underwater concrete construction.
结合钻孔灌注桩的施工实践，重点介绍保证水下混凝土施工质量的一些经验和体会。
The method to stabilize underwater pipeline with pile-support structure has the features in wide availability, heavy loading capacity and low construction cost.
用钻孔灌注桩加固水下管道具有适用性广、承载力大、建造费用低等特点。
This paper describes the principle, construction, performance and error analysis of the standard apparatus for underwater sound pressure in high-frequency range.
本文叙述高频水声声压标准装置的原理、组成、性能和误差分析。
This paper describes the principle, construction, performance and error analysis of the standard apparatus for underwater sound pressure in high-frequency range.
本文叙述高频水声声压标准装置的原理、组成、性能和误差分析。
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