查询词典 concrete

It is the first laboratorial experiment results of self-volume deformation of MgO concrete applied to the arch dam foundation of Dongfeng hydropower station in Guizhou province, the laws of self-volume deformation of MgO concete is conducted, the long-term expansion deformation value is reckoned, the arc tangent curve model of the concrete is presented to describe the characteristics of expansion deformation of the MgO concrete.

本文以在国内外首次将MgO混凝土应用于主体工程的贵州东风水电站拱坝基础混凝土的室内自生体积变形成果为例，对MgO混凝土自生体积变形的规律进行了研究，提出了MgO混凝土自生体积变形的反正切曲线模型，用以表达MgO混凝土的膨胀变形特性和推算MgO混凝土的长期膨胀变形值。

There is also used in the polypropylene fiber cement concrete and asphalt concrete for the polyester fibers and concrete interface agent.

另外还有用于水泥混凝土的聚丙烯纤维和用于沥青混凝土的聚脂纤维以及混凝土界面剂。

The small concrete blocks and big concrete plate were constructed for the experiment. The dielectric constant and the attenuation index obtained by the first 1 and 1/2 waveforms reflected from the concrete surface are used as the parameters.

研究使用1GHz天线，经由实验分析采用抬高天线与受测物距30cm方式检测混凝土，将测得混凝土反射波形计算出介电常数，并选择反射脉冲波形1又1/2振幅面积来做为量测标的，将火害前后振幅面积计算求得衰减常数，比较火害前后混凝土之差异性。

Our development strategy is"to survive depends on quality and to develop depends on technology quality". we pay much attention to products' quality and take this as our life. at the same time, we always keep technical innovation. we have technical cooperation with teka, sauter and kenile etc. in germany, while we also have technical cooperation on control system with many domestic universities, such as shandong university of science and technology, qingdao university of science and technology, qingdao university of engineering and qingdao university of agriculture. based on our specialization, we have designed more than twenty series and hundreds of models of products, including concrete mixer, dry mortar mixer, concrete mixing plant, dry mortar production equipment, concrete pump hbt, pld batcher, mini excavator and many kinds of small road construction equipments. our company has been obtained more than 30 items of national patent.

公司一贯秉承"以质量求生存，以科技求发展"的发展思路，严把质量关，将质量视为企业的生命，不断推动技术创新，先后同德国teka、索特公司、科尼乐公司多家进行技术合作以及国内很多大学如山东科技大学、青岛科技大学、青岛理工大学、青岛农业大学等高校控制系统技术方面的合作，在专业化的基础上开发出二十几个系列的上百种产品，包括混凝土搅拌机，干混搅拌机，混凝土搅拌站，干混生产设备，混凝土泵hbt， pld配料机，迷你型挖掘机以及各种小型路面施工机械等，先后获得国家30多项专利。

This article discusses the mechanism and factors of concrete carbonation of the reinforced concrete structures, and sums up a few models of concrete carbonation depth.

文中讨论了钢筋混凝土结构的混凝土碳化机理及碳化速度的影响因素，总结了混凝土碳化深度的多种计算模型。

This serial concrete dosing machine can combine with the Related concrete mixer to from Combined concrete mixing station of Different types and different specifications.

本系列混凝土配料机与相应的混凝土搅拌机相结合，可组成各种不同形式，不同规格的混凝土搅拌站。

This serial concrete dosing machine can combine with the related concrete mixer to form combined concrete mixing station of different types and different specifications.

本系列混凝土配料机与相应的混凝土搅拌机组合，可组成各种不同形式，不同规格的组合式混凝土搅拌站。

When the slip-form paver is used in curbstone concrete spreading construction,because the grade of designed curbstone concrete is comparatively superior and its thickness is comparatively thin,the crack resistance and the construction workability of concrete are usually bad in construction.

采用滑模摊铺机进行路缘石混凝土摊铺施工时，由于设计路缘石混凝土标号较高，厚度较薄，在施工中往往出现混凝土抗裂性差以及施工和易性不好等缺点，通过试验，在混凝土中掺加适量的粉煤灰，可对路缘石的施工质量有很大的改善和提高。

This paper measured the constitutive relation of soil in the condition of the low stain-rate by Split Hopkinson Press Bar technology. It offers the reference for study in high stain-rate in the future. And simulated the explosion between soil and concrete by finite element dynamic analysis software LS-DYNA3D. Finished the numerical simulation for power of exploding between soil and concrete in different position of detonator and different scale model. Set out the curves of displacement, velocity, acceleration and pressure of different position. Obtained the destructibility of concrete target in different explosion condition. It offers data reference for theory studying and engineering designing.

本文首先利用分离式Hopkinson压杆实验技术测定了土在低应变率下的本构关系，为以后进行较高应变率下的研究提供了参考；后面着重利用三维显式非线性有限元动力分析软件LS-DYNA3D对土壤混凝土介质中的爆炸进行了数值模拟，采用土壤混凝土分层介质模型，完成了不同装药位置、不同缩比模型的混凝土模型中爆炸威力的数值模拟，测定了不同情况下的压力曲线及典型位置的质点位移、速度、加速度和压力，得出了混凝土靶在各种不同爆炸条件下的破坏情况，为理论研究和工程设计提供了数据参考。

This paper analyses the distributive law of axial compression in concrete wall and its influnce on strength of reinforced concrete penstock with steel lining located on the downstream surface of a concrete dam by the finite element method and model tests with material similar to prototype.

通过几个电站的有限元计算和仿真材料模型试验成果，分析混凝土坝下游面钢衬钢筋混凝土管道的轴向应力分布规律及其对管壁应力的影响，可作为管壁三维强度分析的依据，并指出在轴向压力和内水压力作用时裂缝更早发生。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了