2) subsidence of building
建筑物沉降
1.
By using principles of gray prediction,this paper made a prediction of subsidence of buildings on earth′s surface under the influence of shaking caused by mining.
本文采用灰色预测原理,对因采动影响的地表建筑物沉降进行预测。
3) building settlement
建筑物沉降
1.
Taking the commonality as aim,and based on the method for building settlement observation,and through making the dimensional extension of disturbance quantity and deformation quantity,this paper sets up a building s four-dimensional deforming-data detecting model frame.
以通用性为目的,以建筑物沉降观测方法为基础,通过对扰动量和变形量进行维度扩展,建立了一个建筑物四维变形数据模型框架。
2.
The fluid-mechanical coupling function in the finite difference program FLAC3D and 3-dimentional numerical method are used to analyze different factors that affect the surrounding ground and building settlements induced by dewatering during excavation of deep foundation pit.
应用有限差分程序FLAC3D的流固耦合功能和三维数值模型分析了基坑降水时影响周围地表及建筑物沉降的主要因素,包括地表建筑物的存在与否、建筑物与基坑的相对位置、基础特性(如基础面积、埋深、刚度和基础形式等)以及相邻建筑物的相互作用等。
3.
This paper analyses the data from the observation of some building settlement cases by means of curve fitting, exponential smoothing,and GM(1,1) models.
以曲线拟合、指数平滑和灰色预测模型GM(1,1),对建筑物沉降变形观测数据进行分析预测,并结合实例对三种模型预测结果进行对比分析,得出有一定参考价值的结论。
4) buildings settlement
建筑物沉降
1.
Combining with project example of settlement observation at the Minsheng Square in Nanning city,this paper applies regression analysis and gray prediction to deformation data analysis and prediction of buildings settlement,the prediction result shows the feasibility and reliability of the technique.
该文结合南宁市民生广场沉降观测的工作实践,分别用回归分析法和灰色预测法进行沉降变形分析与预测,并通过对预测结果的检验,充分说明了在建筑物沉降变形分析与预测中运用回归分析法和灰色预测法的实用性和可靠性。
2.
This paper analyses the data form some buildings settlement observation by means of curve fitting, indicator easement, and GM(1,1) models.
本文以曲线拟合 ,指数平滑和灰色预测模型 [GM( 1 ,1 ) ],对建筑物沉降变形观测数据进行分析预测 ,并结合实例对三种模型预测结果进行对比分析 ,得出有一定参考价值的结
5) building displacement
建筑物沉降
1.
Research on forecasting building displacement with GM(1,1) weighted model;
GM(1,1)加权模型预测建筑物沉降的研讨
2.
The building displacement measuring system based on single chip microcomputer, including the electric circuits of signal transformation, adjustment, collection, handling, saving, showing, ports, etc.
以单片机为核心的建筑物沉降测量系统,包括信号的变换、调理、采集、处理、存储、显示、接口等部分电路,实现了测量的自动化和仪器的智能化,提高了测量效率和准确性。
6) subsoil deformation of building
建筑地基沉降
补充资料:地表沉降观测
地表沉降观测 ground settlement observation 测定地面高程随时间变化的工作。地壳运动、开采矿藏或天然气、抽取地下水等均能引起地面高程变化。局部地区地面高程在短期内发生较大变化,对房屋、地下管道、道路、桥梁和水坝等有严重的破坏作用。城市和工业区地面的持续下沉甚至危及整个城市和工业区的安全。地表沉降观测可以定量地了解地面的升降。进行地表沉降观测,要在测区内选定适量的水准点作为地面观测点,并埋设标志,同时在沉降范围外的稳定处设置适量的基准点,也可把基准点设在沉降范围内,但必须设法使基准点高程不受地表沉降影响。在一个测区内至少要设置3个基准点 ,以便通过联测验证其稳定性。从基准点出发用精密水准测量方法测定各观测点的高程。不同日期两次测得同一观测点的高程之差,即代表地面高程在这两次观测期间的变化。根据大量的地表沉降观测资料,可以分析沉降规律,预计沉降的发展趋势。
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