不均匀沉降

• Ground tensile deformation and asymmetry sedimentation are caused by slow creepage of faultage fracture zone , which brings great damage effects to ground buildings
  断层破碎带的缓慢蠕动将引起地面的拉张变形或不均匀沉降，对地面建筑物有巨大的破坏作用。
• The writer put forward uneven subside index from analyzing highway transverse grade and longitudinal grade , then propose uneven subsidence formula of construction
  本文从高速公路的纵、横坡要求出发，得出不均匀沉降指标，然后利用它得出工后容许沉降公式。
• Highway construction practices in sichuan province show that premature failure of pavements caused by differential settlement is one of the prime distresses of highway pavements
  公路建设实践显示，不均匀沉降引起的路面早期破坏是四川高等级公路建设中的重要问题。
• In the third chapter , the performance of two fault - crossing steel pipelines with large diameters ( 2 . 0 m and 2 . 2 m ) at fault crossing in kocaeli earthquake and ji - ji earthquake are studied
  但是在埋地管线通过断层的实际震害和不均匀沉降实验中，都可以发现管线发生非对称变形的现象。
• The calculative results indicate that geogrids can effectively decrease lateral , asymmetrical and heaved displacement , and also can reduce the vertical settlement to a certain extent
  计算结果表明：土工格栅能较大地减小软基路堤的侧向位移、减小不均匀沉降和堤外隆起，在一定程度上减小路堤的最大沉降。
• Two different design schemes are analysed through excavation dewatering example dewatering technical requirement is expounded , and the measurement of differentid settlement around buildings is introduced
  摘要通过分析两种不同的基坑降水设计方案，阐述了降水技术要求，并介绍周边建筑物不均匀沉降的防治措施。
• Many survey data refer to mortal down load and sedimentation be produced due to the negative friction in pile foundation . the inequable sedimentation endanger the pile foundation greatly
  国内外一些实测资料表明桩基础在使用阶段负摩擦力可能产生非常大的下拉荷载和沉降，尤其产生的不均匀沉降对基础危害最大。
• Based on research findings , design principles and methods were proposed in the thesis about how to contain the damaging affect on differential settlement on long - term performance of pavement structures
  在以上几个方面研究工作的基础上，针对路面长期使用性能的要求，提出了路基路面设计中控制不均匀沉降对路面影响的原则和方法。
• Exploitation of groundwater can cause uneven subsidence of ground surface . if it can not be disposed well , a lot of environment calamities such as collapse of building and fracture of underground pipe lines , can occur
  地下水开采工程会引发地面不均匀沉降，如果处理不当会造成地面建筑物破坏和地下管线断裂等多种地质环境灾害。
• The three - dimensional model of piled raft foundation is created . the result of analysis can be used to show the effect of the raft thickness , pile stiffness , young ' s modulus of soils and the number of piles
  在此基础上，建立三维非线性有限元模型，分析筏板刚度、桩刚度、土体弹性模量、桩数对基础平均沉降、不均匀沉降及桩土荷载分担比的影响。