underwater concrete

the key technology of bored piles poured underwater concrete with tremie method

钻孔桩水下混凝土灌注时导管操作关键技术

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The project used Φ500 pile bored piles, pile concrete strength C 25 underwater concrete.

本工程桩基采用Φ500钻孔灌注桩, 桩身混凝土强度等级C25水下混凝土.

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Since the oil tanker wharf of Talien New Port located in deep water, in order to decrease the external force and make a faster time schedule of erection, the large-scale precast concrete caission is chosen as underwater structure of the gravity-pier.

大连新港原油码头水深大，为了减小墩子所受的外力并加快施工进度，采用了大型预制钢筋混凝土圆沉箱作为重力墩水下部分的结构。

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the design and keypoint of underwater concrete mixing proportion

水下混凝土配比设计及要点

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application of underwater concrete in a gravity-type wharf

水下混凝土在某重力式码头工程中的应用

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Influential Factor on Quality of Large Diameter Underwater Concrete Cast in place pile

大直径水下混凝土灌注桩成桩质量影响因素

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A longitudinal concrete cofferdam was demolished by way of underwater controlled blasting.

利用水下控制爆破方法拆除了大源渡河中的混凝土纵向围堰.

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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。

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Fresh non-dispersible underwater concrete added with NDA exhibits superior properties such as anti-dispersion, self-compacting and no bleeding.

掺加NDA的新拌水下不分散混凝土抗分散性能好，能自流平、自密实，无泌水；

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The underwater split-flow channel sand body and river mouth bar sand body have been found by using this identifying approach, which provided concrete objects for deployment of lithologic exploration in this region.

利用这种识别方法在该区找到水下分流河道砂体和河口坝砂体，为该区的岩性勘探部署提供了具体目标。

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Construction process of underwater bored concrete pile as well as points for attention in construction is briefly introduced. Based upon analysis of engineering quality problems frequently encountered in construction corresponding prevention and treatment measures are proposed in order to ensure trouble-free construction of bored concrete pile.

简述了水下浇筑混凝土的过程及注意要点，分析了水下浇筑混凝土过程中经常遇到的工程质量问题，并介绍了预防及处理措施，以保证钻孔灌注桩工程的顺利进行。

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Research of the non-dispersible underwater concrete admixture

水下抗分离混凝土外加剂的研究

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Underwater concrete can be used in reinforcement and repair of dams.

水下混凝土可推广应用于大坝水下加固或修复工程.

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Underwater bottom concrete construction technique for bearing platform in Shanghai Yangtze River bridge foundation engineering

上海长江大桥基础工程承台水下封底混凝土施工技术

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Engineering Application of Flowing Anti-washout Underwater Concrete

流态化水下不分散混凝土的工程应用

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A Brief Sum-up of Tests oa the Application of Flocculating Agent to the Underwater Concrete

絮凝剂应用于水下混凝土的试验小结

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Study on Techniques for Controlling Workability of Non-dispersible Underwater Concrete Mixture

水下不分散混凝土拌合物工作性控制技术

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New Patching Technique for Underwater Concrete Damage on Tidal Reach

水下、潮差段混凝土破损修补新技术

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study of methods for determining spreading of freshly mixed concrete--elementary problems in testing of non-dispersible underwater concrete

新拌混凝土扩展度测定方法的研究--水下不分散混凝土试验的基本问题

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Concretepump can be applied in large concrete project, underwater or underground construction, concreting in tunnel, etc.

该机械适用于大型混凝土基础工程, 水下、地下 、 隧道内混凝土浇注等.

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