1) subsidence layer
沉降层
1.
Current prominent subsidence layer and its deformation properties in Shanghai;
上海现阶段主要沉降层及其变形特征分析
2) settlement stratum
沉降地层
1.
Study on distributing rule of additional force of compressible shaft wall in hydrophobic settlement stratum;
疏水沉降地层竖向可缩性井壁附加力分布规律研究
3) layered settlement
分层沉降
1.
The settlement,layered settlement,lateral deformation,excess pore water pressure and earth pressure of foundation reinforced by T-shaped bidirectional soil-cement deep mixing pile are analyzed under embankment loads.
通过对钉形水泥土双向搅拌桩复合地基在路堤荷载作用下的沉降、分层沉降、土体侧向变形、超静孔隙水压力及土压力观测成果分析,论述了钉形水泥土双向搅拌桩加固软土地基优越的工程特性和经济效益。
2.
According to the pore water pressure and layered settlement observation,the change of seepage force,shear resistance and lateral soil pressure using vacuum-surcharge preloading method are studied.
通过对某工程孔隙水压力及分层沉降资料的观测,分析采用真空-堆载联合预压法加固软土地基时土颗粒所受侧压力、渗流力和抗剪力的变化情况,从深层沉降和孔隙水压力变化方面分析了真空-堆载联合预压法对其加固效果的影响,为其在高速公路软土地基中的推广应用提供了依据和参考。
3.
Taking CJG-86 type extensometers and CJH-88 type magnetic cores, the layered settlement test was performed in the east road around Zhengzhou City (G107 Auxiliary Road).
现场土工监测对指导施工和保证工程质量具有重要的意义,郑州市东绕城公路(0107辅道)采用CJG-86 型PVC沉降管和CJH-88型沉降磁环进行土体分层沉降观测,得出了分层沉降的分布规律,为相关的公路工程设计与施工提供科学依据,同时为后续工作提供相应的借鉴。
4) ground subsidence
地层沉降
1.
According to the influences of tunnel excavation on ground subsidence the development process of ground subsidence is analyzed.
针对隧道开挖对地层沉降的影响,分析了地表沉降的发展过程,探讨了地层沉降位移预测,详细地阐述了控制建构筑物受影响的主要措施,具有一定的使用价值和工程施工指导意义。
2.
The comparison of varying features of ground subsidence, plastic zone in surrounding soil and roof settlement of tunnel lining induced by construction of the large span exit between the two tunneling methods has been carried out.
对渝怀铁路彭水隧道出口段大跨度隧道 ,采用中壁法和下导坑超前台阶法两种不同施工方法开挖过程的二维有限元计算 ,对比分析了两种开挖方式下引起的地层沉降、隧道围岩塑性区、隧道衬砌内力以及拱顶下沉的变化特点 ,结果得出采用下导坑超前台阶法施工要比中壁法安全 ,因此该大垮度隧道宜采用下导坑超前台阶法施工。
3.
Taking the crossover tunnel in the Baishiqiao-Xueyuannanlu metro section tunnel of Beijing metro No 4 as the engineering background,the control method for ground subsidence is introduced.
以北京地铁4号线白石桥至学院南路区间渡线隧道作为工程背景,阐述在复杂环境下浅埋大跨隧道施工的地层沉降控制方法。
5) stratum settlement
地层沉降
1.
It is difficult to determine the angle of incidence β and the constringency of tunnel ΔR,when the latitudinal stratum settlement due to the tunnel constrution is calculated with the theoretical formula on the latitudinal stratum settlement,based on the mechanics of stochastic medium.
运用随机介质理论推导的横向地层沉降理论公式计算隧道施工引起的横向地层沉降时 ,影响范围角 β和隧道收敛值ΔR比较难以确定。
6) deep settlement
深层沉降
1.
Through the analysis on the monitored data,variations of ground settlement and deep settlement with time are displayed and the inter-relation among the step of preloading,the height of preloading and consolidation time are examined.
通过对监测结果的综合分析,探讨了堆载预压处理过程中地表沉降、深层沉降等关键参数的变化规律及堆载级数、堆载高度与固结时间等参数之间的依赖关系,为吹填造陆地区软基处理提供了经验和依据。
2.
A comprehensive summarization of the common methods for monitoring and observation of surface settlement,deep settlement and sectional settlement of foundations is made here in the paper
不同的观测方法适用的工程条件不同,本文对目前常用的表层沉降、深层沉降和断面沉降观测方法进行了全面的总结。
补充资料：干涉沉降速度差分层学说
干涉沉降速度差分层学说
doctrine of stratification on the basis of density difference in hindered settling rate
ganshe ehenjiang sudueha feneeng xueshuo干涉沉降速度差分层学说(doetrine of Strat-ifieation on the basis of differenee in hinderedsettling rate)美国人蒙罗(H.5.Monroe)为了解释跳汰选矿能够分选宽级别物料的事实，在1888年提出的一种动力分层学说，又称蒙罗分层学说，属于垂向分层理论。该学说认为粒群在有限空间内的沉降分层是按照各个颗粒的干涉沉降速度的大小自下而上排列的。蒙罗将颗粒的干涉沉降比作在窄管中降落。他取直径为d的颗粒，在直径为D的窄管中进行试验，得到干涉沉降速度公hs的计算式为 vhs一v。(1一几o·5)(1)式中v。为按牛顿公式计算的颗粒自由沉降末速;入为粒群的容积浓度，在此d/D一寻了。进入同一层次的不同密度颗粒可认为干涉沉降速度相等，即v、l一姗:，由此蒙罗得到干涉沉降等降比eks的计算式为 又，a，一刀11一又罕·5、2 ehs一寸.~不~-今{了一下几J.(2) 一稍d:占1一尸(i一又旦·“)式中al、a:分别为轻、重矿物的密度;p为介质密度。况一p/占，一p即是按牛顿公式计的自由沉降等降比。。由于在同一层次中轻矿物粒度dl总是大于重矿物粒度d:，故局部轻矿物的容积浓度久1也总要大于重矿物的容积浓度又2。结果由上式可见。hs>e。。当颗粒为球形，重矿物细颗粒充填在轻矿物粗颗粒间隙中，接近自然堆积状态时，蒙罗计算出最大的干涉沉降等降比。、一7.8e。，并以此解释了当粒群浓度增大后，在垂向介质流中可以分选宽级别原料的事实。 (不J‘玉波)
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条