设计标高

沉井基础是依靠自身重力克服井壁阻力后下沉到设计标高，然后经过混凝土封底并填塞井孔，使其成为桥梁墩台和其他结构物的基础。

The caisson foundation is kind of foundation that sink to the designed elevation by self-weight surmount the side-wall friction , then filled the caisson tank as pier and foundation of bridge or other structures .

简述某钢板桩码头工程施工中，板桩墙的板桩沉不到设计标高的原因及其解决途径。

During construction of a certain steel sheet pile quay wall , a part of sheet piles for the wall can 't be piled down to the designed elevation . The reason for this and ways of solving this problem are briefly introduced .

场地平整土方工程量计算中场地设计标高的调整

Revising of design elevation for leveling a site in calculating of earthwork

不规则场地设计标高确定的计算方法

Calculation method for elevation ascertainment of irregular site

用疏导法排水与盲沟排水相结合的技术措施，能快捷有效地把泉水降至设计标高以下。

Drainage cutting combined with weeper drain could quickly dewater to the designed water level .

提出了应用动态规划法实现变坡点位置和设计标高同时达到最优的铁路纵断面设计优化的新模型。

This paper aims to develop a new optimization model for railway profile design based on Dynamic Programming .

介绍了以四角棱柱体土方公式为计算模型的试算法确定大型场地平整最优设计标高近似解的方法。

In this paper , the approximation calculation method based on calculation model of earthwork formula of tetragonal prism is described .

利用水准测量，在两侧指示桩上用明显标记标出，水泥稳定碎石的铺筑设计标高。

Use level survey to mark the paving design elevation of the cement stabilized macadam with obvious mark on indication piles both sides .

然后，阐述了施工挠度监测的具体方案和施工监控的一般方法。针对大跨度预应力混凝土连续梁桥的线形控制技术，分别介绍设计标高、竣工标高、立模标高的计算方法。

Secondly , the deflection surveying programmers and construction control method are elaborates , and the conception of geometric control of long-span PC continuous bridge is introduced .

按常规的维修方法，就必须打掉现有的混凝土路面，然后再浇筑新的混凝土面板，以恢复路面的设计标高。

By conventional maintenance methods , it is necessary to knock down the existing concrete pavement , then pouring a new concrete , In order to resume the design elevation of the road .

开挖到设计标高后，土体变形速率放缓。

When excavation reaches the design elevation , deformation rate of soil is reduction . In spring , deformation rate of soil increase because of temperature change violently , the soil between frozen and thaw .

经过数值比较后选择使两者均较小的设计标高方案进行经济分析，确定造价最低的标高方案为最优设计标高近似解。

An economical analysis is carried out on the design elevation chosen with little value for both cases by numerical values comparison . The elevation with the lowest cost is taken as the optimal design elevation .

利用加固的旧桥墩台基础，在其上搭设顶升支架和液压顶升系统，然后解除盖梁的垂直约束和水平约束，将盖梁与板梁分步顶升到设计标高。

The lifting-up supporting and hydraulic lifting-up system were set up on consolidated old bridge pier abutment foundation , then horizontal and vertical restrain on the coping were released and coping and plate beam were separately lift up into designated level .

采用大直径辐射井降水技术和高压喷射防渗帷幕墙技术相结合的方法，在周围建筑物不受影响的情况下，把地下水位一次性的降至设计标高。

The constructors , adopting a method combining the technology of lowering ground water level by large diameter radial well with the technology of impervious diaphragm wall made of shotcrete , lower the ground water level to the design elevation for it at one stroke without affecting the surrounding buildings .

特别是确保大桥顺利合拢，使合拢段两悬臂端实际标高与设计相应标高目标的偏差不大于监控允许值，合拢后桥面线形良好，结构受力合理。

In particular the main purpose is to ensure that the bridge successfully closed , and the actual elevation deviation from design values of two cantilever ends are not more than the value of monitoring permit .

只有预拱度设置合理，才能保证要合拢的两个悬臂端可能在同一水平线上，也才能使桥梁上部结构经历施工和运营一定时间后达到设计所期望的标高线形。

To set pre-camber properly is the guarantee that the end of two cantilever in the same horizontal line , the surface structure of bridge could reach perfect linearity expected under the course of construction and force by vehicles , after upwards and downwards again and again .