查询词典 concrete layer

To study the variation features of infrared radiation and acoustic emission of concrete during the fracturing and water seepage process, a concrete block is pressurized with embodied water to uniaxially compressive stress. The changes of its IR radiation and AE are measured using an infrared thermal imager and a AE instrument.

对内含水体的混凝土试样进行单轴压缩加载，利用红外热像仪并辅以声发射仪，观测加载过程中试样的红外辐射与声发射变化特征，研究混凝土破裂与渗水的红外异常前兆。

Therefore, studies and compares the China and US To be listed supervisory system's concrete theoretical operation to have the unreplaceable function, hoped that can provide the mentality which and individual idea taking advantage of this for the concrete practice operation some may follow.

因此，研究和比较中美上市公司监管制度的具体理论性操作具有不可替代的作用，希望借此能够为具体的实践操作提供一些可循的思路和个人想法。

This paper proceeded the flexural experiment respectively of two flexural strengthen beam by CFS, one compared reinforced concrete beam, and proceed sheared experiment research of two U style stirrups of CFS combined compacted sheared strengthen beam, one compared reinforced concrete beam. analyze and compare some working characters such as width of cracks, the deflection and ultimate moment of an unstrengthen compared beam, an initial strengthen beam and a beam strengthened after crack by compacting .

本文分别进行了2根粘贴碳纤维布受弯加固梁和1根钢筋混凝土对照梁的受弯试验研究及2根碳纤维布U形箍+压条受剪加固梁和1根钢筋混凝土对照梁的受剪试验研究，分析对比了对照梁、直接加固梁、压裂卸荷后再加固梁三者的挠度、裂缝、极限荷载等工作性能。

1 Contrast unstrengthened square reinforced concrete column and 10 reinforced concrete columns strengthened by circular steel jacket were tested under axial loading .

为研究圆形钢套管加固混凝土柱的基本力学性能，进行了1根未加固的普通钢筋混凝土柱和10根圆形钢套管加固的混凝土短柱在不同加固钢套管厚度及初始轴压比下轴心受压试验，初始轴力通过对未加固试件施加后张预应力来进行模拟；在试验研究的基础上，根据应变协调原则对加固后构件轴压承载力进行了数值分析。

The result indicates that three groups of concrete beams strengthened by anchor-bolted steel plate can be loaded as far as they were destroyed; compared with unstrengthened beams ,these beams strengthened by steel plate using adhesive or anchor all can achieve a seventy percent higher loading capacity and thirty percent higher stiffness. On the condition that with the same steel plate ,concrete beams strengthened by bolting steel plate can work as good as those beams strengthened by using adhesive.

试验结果表明：三种锚固布置方式加固梁都能保证钢板与混凝土联合工作直至梁破坏；与未加固梁比较，锚固钢板加固梁和外粘钢板加固梁一样，都能有效提高梁的承载力和刚度，其中承载力提高幅度约为70%；刚度提高约为30%，这说明在钢板量相同的情况下，锚固钢板加固梁能够达到与粘结加固基本相同的加固效果。

The engineering computing model of projectile penetrating in to concrete objectives based on twoˉdimensional eˉ quations of motion was analyzed, the formula of calculating penetra tion depth was built, which includes the following main components: projectile shape, projectile mass, penetration velo city, compressive strength and density of the reinˉ forced concrete.

分析了一种基于二维运动方程的对混凝土目标侵彻的工程计算模型，建立了包含弹丸质量、弹丸形状、侵彻速度、混凝土目标的抗压强度和密度等因子的侵彻深度计算公式。

The paper discusses the design thoughts about the mixing proportion of big volumed concrete. The causes of concrete's heat of hydration and contraction are analyzed even the corresponding settlement methods are offered and compartment analysis is made.

临汾污水处理厂是我公司承建的一大型污水处理工程，它不但工程量大(80 0 0m3 以上)，而且其中大部分为大体积混凝土(最厚处达 3 。3m)，抗渗要求P6，同时多为暴露工程(要求混凝土具有高耐久性)。

Fly ash and slag can increase the resistance of concrete to chlorid e ion penetration,and silica fume,metakaolin,rice husk ash and some content s lag can increase significantly the resistance of concrete to chloride ion penetr ation.

粉煤灰和矿渣能提高混凝土的抗氯离子渗透扩散能力，硅粉、偏高岭土、稻壳灰和适当掺量的矿渣能大幅度提高混凝土的抗氯离子渗透扩散能力。

With the development of information-construction, More and more quick, abundant, reliable, undamage examination method to concrete strength are needed. The traditonal examination method to concrete strength can not satisfy the examination request. Study on nail-shotting gun examination system for shotcrete strength is very important for either theory or practice.

随着信息化施工的发展，对快速、大量、可靠、无损检测混凝土强度的技术要求越来越高，传统的强度检测方法难以满足要求，研究喷混凝土强度气压射钉枪检测系统具有重要的理论和实际意义。

The concrete"s creep is an important part in concrete bridge"s structure design.

混凝土的徐变是混凝土桥梁结构设计计算中的一项重要内容。

Consumer preference ; fuzzy partial ordering relation ; condorect function

消费者偏好；模糊偏序关系； condorect函数

And she doesn't have a cat, she has a Mexican hairless.

而且她不养猫，她养了一只墨西哥无毛犬。