查询词典 slab bridge

The slab has been used more than 30 years. The mass of the slab have diseases in varying degrees by investigation, so the problem faced us is to strengthen and remake the slab. In addition, the slab will be used in underdeveloped region of our country. Therefore, it is very important to evaluate the load bearing capacity of slab with slightly curved bottom. The research information of the slab that has been used for forepassed decades is extremely few.

微弯板在桥梁中使用已有三十多年，在调查中发现大多微弯板都存有不同程度的病害，也就面临着对旧桥微弯板的加固改造的问题；另外，在我国某些经济尚不发达地区的桥梁建设中仍在采用，因此，对微弯板的承载力的正确评定也显得十分重要。

Base on summarizing the development state of assembly skew hollow slab bridge, the research content of this dissertation has been determined. Taking Tuan Shan River Bridge, in Hubei province, China, as an example, the finite element method of space slab shell programmed in Ansys Parameter Design Language is adopted to analyze the elastic properties. By calculating the internal force influence surface of assembly skew hollow slab bridge, the internal force-controlling section is attained.

本文在对装配式斜交空心板桥的发展现状进行了详尽的综述后，确定了本文的研究内容，以团山河大桥为工程背景，采用ANSYS提供的参数化语言APDL，用空间板壳有限元法，对装配式斜交空心板桥弹性阶段的受力特性进行全面分析，计算了装配式斜交空心板桥的内力影响面，得到内力控制截面。

Based on it, the research content of this dissertation has been determined. Tuan Shan River Bridge is selected as an example and APDL is used to analyze the elastic properties. After calculating the internal force influence surface of assembly skew hollow slab bridge, the internal force-controlling section is attained; the transverse distribution of internal force is studied and the transverse distribution coefficient is parametric analyzed. Based on the results, relation formula of transverse distribution coefficient between skew and perpendicular bridges are fitted. Practical calculation method for the internal force calculation of assembly skew hollow slab bridge is offered. Some conclusions are drawn from comparing and analysing the internal force, bearing reaction and deformation of both assembly and monolithic skew slab bridges.

本文对装配式斜交空心板桥的发展现状进行了综述，从此出发，确定了本文的研究内容，以团山河大桥为工程背景，采用ANSYS 提供的参数化语言APDL，对装配式斜交空心板桥弹性特性进行全面分析，计算了装配式斜交空心板桥的内力影响面，得到内力控制截面；同时计算了内力的横向分布影响线和横向分布系数，并对内力横向分布系数进行了参数分析；基于参数分析的结果，拟合了装配式斜交空心板桥与对应正交桥内力横向分布系数的关系式，为装配式斜交空心板桥的内力计算提供了实用计算方法；对比分析了装配式斜板桥与整体式斜板桥的内力、支座反力以及变形特点，得出了一些有益结论。

Products factory operators; Steyr, Steyr Wang, Hao Wo main bridge shell rear axle, bearing blocks, cross the bridge cover, Steyr wheel shell, shift cylinder, rear axle sudden yuan, ZF Clutch fork shaft, swing rod, before and after the brake hub, Steyr various separation fork, gear room covered ,67-68 pulley, bridge sudden yuan, steel plate, parallel to shell axis, double-H shift shaft , 0503 Steyr-axis between the shell bad, bad Steyr 0198 Inter-axis shell, oil seal and seat, steel plate before and after the hanging ears, rear wheel, shift box assembly, double H shift rocker, one, two block I. block F99588, shift box casing, drive shaft telescopic forks, steel slide, shift cylinder, a variety of connecting plates, gearbox sudden yuan, three, blockIntroduction F99589, Steyr cylinder cover, double-H shift dial head, adjust the lever fork, wheel cover, FL clutch fork, FL Clutch fork shaft, Steyr after the output shaft bearing support, flywheel shell, fork and seat connection, Steyr Cylinder Head,ácover ,67-68 water pipe joints, rear brake camshaft bracket, rear axle minus the main shell, minus the shell of the main bridge, bearing seat, adjust the lever forks, brackets, brake lane joystick arm, gearbox sudden yuan, clutch pedal arm, oil block at the end of care, single head, double-headed rocker, gear room covered, decelerationround, adjust the lever forks, shift box casing, double H shift dial head, Double H shell, gear room covered, separation lever plate before and after the hanging ears, double-H shift shaft, decelerationround,áBushing, Steyr 10 file clutch shell, the bridge box, minus the shell after the main bridge , Bearing Block, the bridge cover, Steyr wheel shell, shift cylinder, after the sudden the bridge element, ZF Clutch fork shaft, swing rod, steel slide, shift box casing series products .

本厂经营产品；斯太尔，斯太尔王，豪沃后桥主桥壳，轴承座，过桥箱盖，斯太尔轮边壳，换挡汽缸，后桥突元，ZF离合器拨叉轴，摆杆，前后制动毂，斯太尔各种分离拨叉，齿轮室盖，67-68皮带轮，中桥突元，钢板垫板，平行轴壳，双H换挡轴，斯太尔0503轴间差壳，斯太尔0198轴间差壳，油封及座，钢板前后吊耳，后轮毂，换挡盒总成，双H换挡摇臂，一，二挡导块F99588，换挡盒套管，传动轴伸缩叉，钢板滑座，换档汽缸，各种连接盘，变速箱突元，三，四挡导块F99589，斯太尔汽缸盖，双H换挡拨头，杠杆调整叉，轮边盖板，FL离合器拨叉，FL离合器拨叉轴，斯太尔输出轴后轴承座，飞轮壳，连接叉及座，斯太尔汽缸盖（欧II，平衡轴盖板，67-68水管接头，后制动凸轮轴支架，后桥主减壳，中桥主减壳，轴承座，杠杆调整叉，托架，行车制动操纵杆臂，变速箱突元，离合器踏板臂，油底托块，单头，双头摇臂，齿轮室盖，减速轮垫片，杠杆调整叉，换挡盒套管，双H换挡拨头，双H壳体，齿轮室盖，分离杠杆，钢板前后吊耳，双H换挡轴，减速轮垫片，平衡轴衬套，斯太尔10档离合器壳，过桥箱，后桥主减壳，轴承座，过桥箱盖，斯太尔轮边壳，换挡汽缸，后桥突元，ZF离合器拨叉轴，摆杆，钢板滑座，换挡盒套管等系列产品。

Based on rail/wheel reaction and track/bride reaction theory and systems engineering theory, new vehicle-track and vehicle-track-bridge system dynamic models are established and discussed in details, including ballast track model and ballastless track model. The characteristics of the models are:(1) vehicle-track and vehicle-track-bridge system dynamic models are coupled in vertical and lateral;(2) track vibration on bridge is taken in account, track on bridge is considered as one or two layer continuous-point supported rail model, according to actual track structure, interaction between vehicle and bridge transfer from track structure;(3) three type of ballastless track models (tieembanked, elastic-tie-block, slab track) are presented;(4) models reflect the main feature of actual vehicle, track and bridge structure, the response computation frequency of models is relatively broad, which can be applied to analyze both low frequency and high frequency vibration.

基于轮轨相互作用和线桥相互作用特点，本文从系统工程角度出发建立了车辆、有碴轨道和无碴轨道、简支箱梁桥垂向和横向耦合系统动力分析模型，该系统模型具有以下特点：（1）车线、车线桥体系均考虑为垂向、横向耦合振动系统，车线间通过轮轨接触几何关系耦合，轨道与桥梁间通过轨道与梁体间的力与位移协调条件耦合；（2）充分考虑桥上线路在车线桥系统中参振作用，根据桥上线路轨道结构特点将桥上轨道结构模型具体化，即对桥上轨道结构视为多层支承体系，车桥间的动力作用通过轨道结构来传递；（3）建立了三种形式无碴轨道动力分析模型，即长轨枕埋入式、弹性支承块式和轨道板式无碴轨道模型；（4）系统模型详细，分析频带宽，适用范围较广。

Combined with general situations of Lamawan the Yellow River Bridge the major diseases as well as the causes of those diseases of this bridge are analyzed,at the same time corresponding repairing and reinforcement measures of cracks,bridge pavement slab and bottom slab of box beam are proposed,in order to ensure the normal service and safety of this bridge.

结合喇嘛湾黄河大桥的具体概况，分析了该桥存在的主要病害及其各种病害产生的原因，介绍了裂缝、桥面板、箱梁底板等的维修加固措施，以保证该桥的交通正常运行以及安全性。

The results show that, with the same steel consumption, the longitudinal and transverse girder deck scheme is a little better in stiffness, dynamic characteristics and stability than those of the other scheme's. For the dense transverse girder deck scheme, because of no longitudinal beams, the axial forces of the tie beam and the deck slab are higher than those of the other scheme's. The improving rate of the axial force for the deck slab is about 50%. The inside and outside bending moments of the cross beams reduce to below half of the other scheme's. The longitudinal stress of the deck slab is higher on the whole and the traverse stress is less than that of the other scheme's. The maximum traverse stress of the deck slab is below 40% of the other scheme's.

研究结果表明：在材料用量相同时，纵横梁方案桥梁刚度较密布横梁方案的桥梁刚度稍大，桥梁动力特性比后者的优，其稳定性也比后者的强；对于密布横梁方案，由于不设纵梁，系梁和混凝土板承受的纵向力都较纵横梁方案的大，混凝土板增幅达50%左右，横梁面内和面外弯矩则明显减小，都低于纵横梁方案的一半，混凝土板顺桥向应力整体比纵横梁方案的高，而横桥向应力则较低，最大值低于纵横梁方案的40%。

The cast-in-site girderless hollow floor slab with the high-strength thin-wall bamboo core is a new structural system after the joist-girder floor slab, ribbed floor slab, unbonded prestressed floor slab.

论文的主要研究内容如下：首先，文章完成了一块四边简支钢筋混凝土竹芯楼盖以及一块相同尺寸的四边简支钢筋混凝土实心双向平板在短期加载条件下的试验。

Experimental research on the vibration of single slab and multi ones set in the arch ring is carried out in the first time. Slab vibration divisions along the water flow are proposed and their lists are determined. Laws of vibration distribution along water flow, across the arch ring, in time zone and frequency one are established. The most dangerous condition to slab's stability is obtained by comparing slab vibration in the different downstream depth.

首次对反拱水垫塘拱圈弹性单、多底板块的振动特性进行了试验研究，提出了拱圈底板块沿流程的振动分区，给出了各振动区的界限，得到拱圈单、多底板块振动特征值沿流程及沿拱圈的分布规律，底板块振动的时域和频域特性，对不同下游水位的振动特性进行了比较，给出了对拱圈底板块的稳定最不利的条件。

According to research on space between wheel and Cart rut traverse curve of single roadway, the width of strip slab was fixed. When there was horizontal loading on slab, contact state between strip slab and base course was studied, and finite element model was established. Comparing maximum principle stress among different load position on slab, it was found that the critical loading position of cement concrete strips pavement was the middle of longitudinal joint.

对车辆轮距和单车道轮迹横向分布曲线进行分析，确定轮迹板板宽；在有水平荷载作用时，对轮迹板与基层的层间接触状态进行分析，建立有限元计算模型，对比荷载作用在轮迹板不同位置时的最大主应力，最终确定水泥混凝土轮迹路面板的临界荷位为纵缝边缘中部。

In the days of sailing vessels the crew were afraid they would be becalmed on the ocean.

在使用帆船的时代，船员们担心他们会因为无风而无法在海洋上航行。

As long as foreign donors pay the PA's salary bill, few expect a new intifada.

只要外国继续为巴权力机构的薪水买单，希望发动新暴动的人便寥寥无几。