Use of concrete pumping construction, pipeline installation to be straight and flat pad.
砼采用泵送施工，管道安装要顺直，并垫平。
The compounding principle, methods and properties of concrete pumping admixture had been studied.
对混凝土泵送剂配制原理、方法及其性能进行了研究。
Under normal circumstances, concrete pumping pipe center at columnar fluid flow status was suspended.
正常情况下，混凝土在泵送管道中心形成柱状流体，呈。
The transportation and delivery of the concrete was awarded to a local concrete pumping firm in the form of a service package.
混凝土的运输和输送由当地的一家混凝土泵送公司以承包服务的方式承担。
Screened formula has past the bench test with high pressure pump, getting good application in concrete pumping truck with high pressure.
经过筛选后形成的配方通过了高压泵台架试验并在高压混凝土泵送车上取得了良好的应用效果。
Some integrated technologies are introduced, such as mix design of steel fibre beton, concrete pumping technique. Some practical examples are given.
介绍了钢纤维混凝土配合比设计，钢纤维混凝土泵送浇筑工艺等多项综合性技术，并给出实例。
These items also allude to the history of the place - the timber formwork of the off-form concrete and water once pumping through the core of the building.
这些物件反而折射出了这里的历史——木材模板，闭合的混凝土和水泵曾经贯穿整个建筑的中心。
Used for industrial and civil architecture roofing, basement, tunnel, tunnels, water supply and drainage pool, water pumping station, etc have waterproof impermeable concrete engineering requirements.
用于工业与民用建筑的屋面、地下室、隧道、巷道、给排水池、水泵站等有防水抗渗要求的混凝土工程。
Testing matching ratio and quality controlling of anti-frozen massive pumping concrete C30P12F100 is introduced with the construction application.
本文主要介绍C30P12F100抗冻大体积泵送混凝土的配合比设计试配及工程应用情况。
It can improve the workability, pumping properties and early strength of the concrete.
使混凝土的和易性、可泵性均得到明显的改善，可提高早期强度。
The paper mainly introduced the application technology of the pumping high strength concrete (C60) which takes crushed gravel as coarse aggregate with big fluidity.
本文着重介绍采用以破碎卵石为粗骨料配制大流动性泵送c 60混凝土技术应用。
Such as pumping up you must turn off valve to prevent backflow of concrete, then removed the feed tube.
如向上泵送则必须先关闭截止阀，防止砼倒流，然后拆下出料管。
The basic mathematic model of the output of hydraulic piston concrete pump was described in terms of its working principle, the influence on real-time pumping efficiency was analyzed.
首先根据液压活塞式混凝土泵的工作原理，阐述了混凝土泵排量的基本数学模型，指出模型中的实时泵送效率是解决问题的关键。
The C50 micro-expansion concrete is filled into the steel tube arches and webs of the main bridge of Lhasa River bridge by pumping construction.
拉萨河特大桥主桥钢管拱钢管及腹板填充c 50微膨胀混凝土，采用泵送法施工。
Especially suitable for greatly reduce the dosage of cement with special requirements performance pumping concrete, concrete products, flow state concrete, mass concrete foundation and RCC.
特别适用于要大幅度降低水泥用量的有特殊要求性能的泵送混凝土、商品混凝土、大流态混凝土、大体积基础混凝土及碾压混凝土。
The application and the selection of proportion of C60 high performance pumping concrete with artificial sand are introduced in this article.
介绍了C60机制砂高性能泵送混凝土配合比选定及施工应用。
Comparing the pumping concrete method with the non pumping concrete method, this paper presents the new method which use the jet technique, and the construction procedure is discussed briefly.
在对建筑施工中泵送与非泵送混凝土法进行对比后，提出了采用射流技术改进泵送混凝土工艺的新方法，并简要叙述了这种方法的施工程序和注意事项。
For pumping concrete mixture the problem of reducing the cement content and keeping better workability was also solved by using optimum proportioning.
优选配合比解决了泵送混凝土与减少水泥用量和低坍落度的矛盾。
The flowing state of pumping concrete is analyzed using the rheology theory, and the dynamic model of flowing concrete in pipeline is established.
运用流变学深入分析了混凝土在输送管内的流动状态，建立了混凝土在输送管道中流动时的动态模型；
Though example of second-pumping concrete after high-dropping in tunnel, this article introduced production, quality control and pouring of high-dropping concrete.
通过混凝土经高抛后再二次输送在隧道工程应用的实例，介绍了高抛混凝土的配制、质量控制以及浇筑。
In this paper, the working performance, early cracking resistance, strength, durability of mixing the content of different sizes of high strength organic steel fiber pumping concrete were studied.
本文以尺寸相近的钢纤维作为对比，对不同体积掺量的高强泵送有机钢纤维混凝土的工作性能、早期抗裂性能、力学性能及耐久性能进行了试验研究。
At present, excessive pumping concrete, pumping concrete in order to ensure the availability of pumps, pumping concrete, often adding an appropriate amount of air-entraining agent.
目前泵送混凝土用量过大，为了保证泵送混凝土的可泵性，往往在泵送混凝土中加入适量的引气剂。
Suitable for the winter construction of common concrete, pumping concrete, large volume concrete and ready mixed concrete.
适用于普通混凝土、泵送混凝土、大体积混凝土和商品混凝土的冬季施工。
Long spiral dry pore-forming pumping concrete grouting pile can be used in multi-story buildings and low huge buildings.
长螺旋干成孔压灌混凝土桩适合于多层及小高层基础工程。
The flow pattern of ideal fluid, dense floating fluid and wet concrete in conveying tube are briefly analyzed in this paper. The calculation of pumping resistance is also introduced.
本文对理想流体、浓浮流体和混凝土在输送管道中的流动形态，进行了扼要分析，并对泵送阻力运算作了概述。
Because of the specialty of ingredient and production of the ready mixing pumping concrete the probability of producing cracks is higher than non pumping concrete.
由于预拌泵送混凝土配料和制作的特殊性，使得它的裂缝概率高于非泵送混凝土。
The quantity and the thickness of commodity concrete is more than normal concrete, which tends to occur shrinkage crack in structure when transporting or pumping.
商品砼为满足运输或泵送的流动性要求，一般水泥用量较多，砼的稠度较大，容易引起收缩裂缝的出现。
This paper expounds the reasons of pumping concrete crack and its prevention measures.
本文论述了泵送砼结构裂缝产生的原因及裂缝的具体裂缝的防治措施。
HYD Concrete pump offers stronger pumping ability, quicker pumping rate, little pumping jam, and better ma-chine performances.
海亿达混凝土泵性能稳定，工作可靠，实现了更强的泵送能力、更快的泵送速度、更少的堵管，更优的机器性能。
P74 Conveying of most building concrete from the mixer or truck to the form is done in bottom-dump buckets or in wheelbarrows or buggies or by pumping through steel pipelines.
大多数建筑物的混凝土从搅拌器或卡车到模板的运送过程是由底部能卸下的挖斗或独轮小车或手推车或用泵经由钢制的管道来完成。
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