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In order to deeply analyze the distribution of maximum tensile strain during asphalt surface for Semi-rigid base asphalt pavement and compound base asphalt pavement , two types of typical structure were chosen, taking the Shell designing software BISAR 3.0 as calculation tool, considering two kinds interface contact condition of complete continuousness and not incomplete continuousness, then a comprehensive analysis was made on the maximum tensile strain of every structure on the basis different interface contact condition.

摘 要:为深入分析半刚性基层沥青路面和复合式基层沥青路面面层内的最大拉应变的规律,选取两类沥青路面的典型结构,采用壳牌设计软件 BISAR 3.0为计算工具,考虑层间完全连续状态以及不完全连续两种状态,对各结构在不同的层间结合条件下沥青层最大拉应变进行了比较和分析。

On the basis of investigation into problems in the rural road surface of Liaoning Province, we simulated the shear stress between surface layer and base layer by finite element method, changed the pavement structure parameters and traffic load conditions, and found out that overloading and frequency of speed-changes in longitudinal slope driving were the main factors of forming slippage in asphalt pavement.

在对辽宁省低等级公路路面病害调查的基础上,运用有限元分析软件对基层和面层间的剪应力进行模拟计算,通过改变路面结构参数和行车荷载,得出了面层和基层层间剪应力变化的一般规律。结果重载和车速在纵坡行驶时的频繁变化是导致路面推移现象的主要因素。

At first in the preliminary design this paper computes the linear damping coefficient of the viscous damper employed in this project using Composite Response Spectra approach, meantime, this paper proves that reducing the exponent of velocity of the piston can increase the magnitude of the dissipative energy, because of the viscous damper employed in the practical project character nonlinear behavior; next this chapter performs analysis and comparison between the building without and with the viscous dampers aforementioned when the building suffers from various Time Domain Response, from the angle of displacement, interstroy drift, velocity, interstory velocity, acceleration, energy, maximum axial force of the dampers and of the column etc., in order to prove that the incorporating the viscous dampers into the buildings has great superiority on enhancing its aseismic performance ; furthermore, this chapter also expatiates on diverse assembly form of the viscous dampers that results in the adverse impact on the internal force of the structural member in this building, on the ground of which this segment bring about the preference of the assembly form of the viscous damper; finally this chapter points out the sphere of application of the analysis and computation using Composite Response Spectra approach in design: it is available in well-proportioned stiffness structures and isn抰 available in the structures that contain weak story. It is recommendable, particularly, to incorporate the fluid viscous dampers into this structure that contain weak story to refrain earthquake and reinforce, such as the Central Hall of Shanghai Exhibition Hall.

首先使用了反应谱分析法设计出欲附设的粘滞阻尼器的线性阻尼系数,由于实际工程所用的粘滞阻尼器具有非线性的特性,故而笔者又证明了降低速度指数对提高粘滞阻尼器的耗能量的优势所在;接着分别从位移、层间位移、速度、层间速度、加速度、能量、最大阻尼出力和柱轴力等不同的角度对结构在附设粘滞阻尼器前后的时程反应进行了分析对比,籍此在实际工程中证明了附设粘滞阻尼器对于提高结构的抗震性能的优越性;再者,笔者还阐述了采用不同的粘滞阻尼器布置方式对结构中构件内力特别是柱轴力和基座竖向反力产生的不利影响,并在此基础上提出了布置方式的优选;最后,指出了反应谱法在设计中的适用范围:对于均匀结构反应谱法能够使用,而对于含有薄弱层的结构反应谱法并不适用;对于类似于上海展览馆中央大厅的含薄弱层的结构尤其值得使用粘滞阻尼器的方法进行抗震加固。

FT-IR spectra shows that the polyaniline is present primarily in the emeraldine salt form, and the polymeric chains interact with inorganic framework, most likely via V=O…HN hydrogen bonding. XRD,TG and DSC indicate that the lamellar structure of the V_2O_5 is preserved, PAn chains eliminate water form the interlamellar region and are partially inserted between the layers, and exist with extended-chain conformation owing to the confined environment.Electrochemical investigation in the range of 1.8~3.8V vs.

红外光谱表明复合物中PAn主要以导电聚苯胺盐的形式存在,PAn链与V_2O_5晶格之间可能形成了V=O…HN氢键。X射线衍射、热重和差示扫描量热证实了PAn/V_2O_5复合物保持了较规整的层间排列结构,PAn取代了V_2O_5干凝胶中的层间水而部分嵌入其片层间,由于受空间的限制,PAn分子链以比较伸展的链构象存在。

Fiber enlaced composite materials is widely used in engineering project .

纤维缠绕复合材料壳体在工程实际中得到广泛应用,其壳体力学性能相当复杂,本文在分析复合材料壳体层间应力的影响时,提出了复合材料壳体层间应力随纤维方向的改变有较大的不同,不仅分布形式不同,其最大层间剪应力所在的界面也各不相同。

This paper describes laminar small faults affected a number of factors to take specific measures :Pre-stack time migration through the use of technology to improve inter-layer tomography for the accurate identification and de脚本ion interlayer fault lay the foundation;Through meticulous depicts dip scanning technology to small fault;Phase-edge technology frequency bands using a broadband seismic data to better identify the fault system.

本文针对影响描述层间小断层的因素采取了多项有针对性的措施:通过采用叠前时间偏移技术改善层间断层成像,为准确识别与描述层间断层奠定基础;通过地层倾角扫描技术来细致刻画小断层;利用优势频带分频相位技术较好地实现了宽频带地震资料的断裂系统识别。

It was pointed out that the calculation formula for stress of laminated beam without pin joint in interlayer under bending experiment from relevant literature is wrong, and the calculation formulas for bending stress of laminated beam with or without pin joint in interlayer were rederived.

指出了有关文献推导出的上下梁层间无销钉连接叠层梁弯曲应力计算公式是错误的,重新推导出了上下梁层间无销钉连接与有销钉连接的叠层梁弯曲应力计算公式,对学生正确理解和认识叠层梁弯曲实验有理论指导意义。

And the cases of concrete frame structures of tier building and tall building, which were based on the interaction analysis model and in which the sites and the earthquake ground motions were considered, were designed.

分析表明:相互作用对结构的弹塑性变形的影响不容忽视,考虑相互作用后梁柱塑性铰出现的程度降低;结构底部位移增加而顶部位移减小;薄弱层的层间位移可能增加而其余层的层间位移则减小。

If the slope's rockmass is low counter-inclined or thick-interbedded with soft interlayer, its failure model is inclined to be tilting-collapsing; if the slope's rockmass is homogeneous and thin-bedded with hard discontinuity, its failure model is inclined to be splitting-collapsing; if the slope's rockmass is low sequence-inclined with densely deep tectonic joints and weathering fissures, its failure model is inclined to be sliding-collapsing.

当缓倾内层状岩质边坡的岩层较厚,岩性呈软硬互层状产出,或岩层间软弱夹层较厚时,常发生倾倒-崩落式破坏;当缓倾内层状岩质边坡的岩层较薄,且岩性较均一,或层间结构面力学性质较好时,常发生拉裂-崩落式破坏;当缓倾角层状岩质边坡岩层倾向坡外时,在陡倾构造节理和风化卸荷裂隙切割下,常发生滑移-崩落式破坏。

Presence of multiples leads to poor quality in main stages of offshore seismic data processing, such as velocity analysis, stacking and imaging. Three basic multiple attenuating methods are reviewed; and a more effective multiple attenuator is achieved by joining them. As the first step, shot or receiver records are extrapolated by wave-equation datum algorithms. The extrapolation will establish a model of waterbottom multiples. Waterbotton multiples will then be removed by subtracting the extrapolated records from the original records. After that, predictive deconvolution is used to attenuate the multiples created by source ghost. Finaly, RADON transformation is adopted to separate peg-leg multiples and residual water-bottom multiples from the original data in the τ-p domain.

地震勘探尤其是海上地震勘探中存在着各类多次波,由于多次波的存在严重影响了速度分析、叠加、偏移成像等地震资料处理,海上多次波主要有全程多次波和层间多次两大类,为了压制海上不同类型的多次波,本文首先分析波场外推、预测反褶积和拉东变换衰减不同多次波的理论基础,然后联合采用这些方法,分别衰减全程多次波和层间多次波;即:首先对炮记录或者接收点记录进行波场外推,建立海底多次波模型,预测并减去全程多次波,然后利用预测反褶积衰减掉周期性明显的多次波,最后将数据转换到τ-p 域,用拉冬变换根据同一时间多次波和有效波在速度等方面的差异,进一步分离层间多次波和剩余的全程多次波,并在该域中切除分离出的多次波,从而实现联合多次波衰减处理。

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推荐网络例句

I am accused of being overreligious," she said in her quiet, frank manner,"but that does not prevent me thinking the children very cruel who obstinately commit such suicide.""

客人们在卡罗利娜·埃凯家里,举止就文雅一些,因为卡罗利娜的母亲治家很严厉。

Designed by French fashion house Herm è s, this elegant uniform was manufactured in our home, Hong Kong, and was the first without a hat.

由著名品牌 Herm è s 设计,这件高贵的制服是香港本土制造,是我们第一套不配帽子的制服。

Do not 'inflate' your achievements and/or qualifications or skills .

不要 '夸大' 你的业绩或成果,条件或者技能。