negative buoyancy是什么意思

网络释义

用法例句

Influence of Titanium Mesh Subsidence on Cervical Curvature and Surgical Effect after Anterior Cervical Corpectomy Reconstructed with Titanium Mesh and Bone Graft;

颈前路术后钛网下沉对颈椎曲度和手术疗效的影响

Time function of surface subsidence based on Logistic growth model;

基于Logistic增长模型的地表下沉时间函数

The whole process of dynamic surface subsidence deformation was divided into such three stages as subsidence development,full subsidence and subsidence attenuation.

将地表动态沉陷变形发展变化的全过程划分为下沉发展、下沉充分和下沉衰减3个阶段,分析了这3个阶段地表沉陷变形的发展变化规律,提出了地表沉陷变形速度的新概念,研究了地表下沉过程中的地表倾斜变形速度和水平变形速度的发展变化规律,给出了建筑物易受损坏的危险期,水平拉伸(或压缩)变形速度量大于拉伸(或压缩)变形值最大阶段。

Treatment of the sinking of 3 hole-12.0m reinforced concrete bridge at DK56+665m of Tian-Han line in diggings;

矿区铁路田韩线DK56+665m处3孔12.0m钢筋混凝土桥梁下沉整治

In this artcle,the author states main technological problems of sinking,viation rectifying,soil diging and bottom seal.

沉井依靠自重消除刃脚阻力和外壁摩擦力下沉,本文对该项工艺的下沉、纠偏、挖土、封底主要技术问题进行介绍。

Sinking of open caisson is the key procedure during construction, success of which will put great positive influence on the execution of the entire project.

沉井下沉是沉井施工的一个关键工序,也是一项工程成败的关键,因此做好沉井下沉是一项工程的重中之重。

Causes of settlement in high embankment and treatment measures;

高填路堤下沉的原因及其处理措施

Dynamic characteristic of track settlement was investigated by combining the vehicle-track coupling vibration model and the track settlement model,and the dynamic response parameters of track structure and the irregularity in the vertical profiles of track were taken as a connection between the two models.

将车辆-轨道耦合振动模型和轨道累积下沉计算模型相结合,以轨道结构动力学响应参量和轨面高低不平顺状态变化作为两者间的联结纽带,从车辆-轨道耦合动力学角度研究了轨道的下沉变形特性。

According to some difficulties encountered in the large scale sunk-well construction in sea mucky layer combined with practical work based upon practical settlement control measures are proposed for sunk-well as well as points for attention to resolve those questions.

针对海淤泥层沉井施工中,易发生涌土、超沉、突沉、地下水大量涌入等现象,结合具体的工程实例,通过沉井下沉计算,阐述了控制沉井下沉的方法,以有效解决施工难点。

In the light of the suddenly dangerous situation of foundation sinking during the construction of high-formwork in Shenzhen conference and exhibition center, the split grouting technique is adopted, which strengthens the bearing capacity of foundation, makes the stable foundation not sink, and assures that the top framework construction can be carried through smoothly.

针对深圳会展中心高支模施工过程中突发的基础下沉险情,采用劈裂注浆技术增强地基土的承载力,稳固基础不下沉,保证上部结构施工顺利进行。

The text introduces several problems of should be noticed during designing gravity type sinking-well in order to ensure the well foundation sunk to the design elevation smoothly.

根据重力式沉井的设计原理 ,论述了为保证沉井基础顺利下沉至设计标高 ,满足设计需要 ,在设计中应注意的几个问题 ,供同行们参

Rectifying deviation and reinforcement of this unsafe building have been successfully completed by way of the diagonal bracing with anchor pile and cutting soil construction, dividingng the building into subsiding section and lifting section.

采用锚杆静压桩斜向支撑方法，划分下沉和抬升两个区段，掏土后成功纠偏，解决了此类危楼纠偏加固问题。