动测法 meaning in English
dynamic measurement of pile
Examples
- Preliminary discussion on application of low - strain dynamic monitoring method to examining engineering quality of cement - earth piles
低应变动测法在水泥土桩工程质量检测中的应用初探 - It can be said that the solution to the space problem of limit load and the calculation of foundation bearing capacity for deformed groundwork have some academic and scientific value . the dynamic pile testing of foundation and batholith as well as deep well load testing system has been put into use in real work environment and gained some social and economic benefit
本文关于界限荷载的空间问题解答，考虑地基变形的地基承载力工程算法具有一定的学术价值；本文中的地基(及岩基)承载力动测法及深井载荷试验系统已在工程实践中应用，并取得了较好的社会和经济效益，具有一定的工程实用意义。 - Using the model parameter from the dynamical experiment , the integrated parameters can be disassembled , thus the structure ' s frequency and the influencing coefficient of their oscillation mode are solved . it ' s tested from the model experiments and fem that the model given by the article has the virtue of explicit concept and convenient method and high accuracy , and it can give reference to evaluate the load capacity of bridge . in the end , in order to assess the existing bridge ' s seismic resistance performance , force reduction factor with ductility is recommended to reflect the seismic force of the structure during the elastic and plastic periods
另一方面，由动力相似理论建立了室内模型，并进行室内动力试验，借助量测到的模态参数分解出综合参数，可以反推结构频率及振型参与系数。试验结果、有限元计算值表明，本文建立的模型概念明确、计算方法简便、精度较高，可以为动测法评定桥梁结构承载力提供参考。最后，从延性的角度给出强度折减系数来考虑结构进入弹塑性阶段的地震力，从而对桥梁的抗震性能做出评价。 - In view of bearing capacity of the elastoplastic theory analysis , the author made a comparison between the achieved bearing capacity limit load pi / 4 of round base ( space problem ) and the limit load pi / 4 of bar groundwork foundation design ( plane problem ) from soil mechanics at home and abroad as well as foundation criterion , and explained why the value of formula in present design criterion from soil mechanics is inclined to be conservative . in the light of the author ' s many years experience of vibration test on the spot and the research work of relevant projects , the author worked over the dynamic pile testing of the bearing capacity of foundation and batholith , and gathered the parameter of dynamic analysis and testing . the author also talked over the difficult point of pile foundation design criteria in present batholith engineering world , i . e . the confirmation of batholith bearing capacity of pile end , from the following aspects : a ) confirmation of single axis counter - pressure strength of rock in house ; b ) f . e . m calculation of elastoplastic model ; c ) calculation of soil mechanics ; d ) deep well load test
然后，对岩土工程领域至今尚未解决，甚至不为人注意的考虑地基变形的地基承载力问题进行了实用化的探讨，提出了考虑地基变形的地基承载力上程计算方法；对基于弹塑性理论分析的地基承载力国内尚未见报道的空间问题得到了圆形基础(空间问题)的承载力界限荷载p _ ( 1 / 4 ) ，并与国内外土力学专著及地基基础设计规范中的条形基础(平面问题)的界限荷载p _ ( 1 / 4 ) ，进行了对比，从而定量上解释了目前设计规范引用土力学承载力公式值偏于保守的这一情况；根据本文作者多年从事现场地基工程振动试验及相关课题的研究工作，本文以截头锥模型模拟地基，对地基(岩基)承载力的动测法进行了研究，为各类地基(包括岩基) ，汇总了动力分析和检测川的参数：针对日前岩土工程界应用桩基设计规范中的难点? ?桩端岩基承载力的确定问题，从岩石室内单轴抗压强度确定、基于弹塑性模型的有限单元法计算、土力学计算及深斤载荷试验四方面进行了深入讨论；本文作者根据多年现场载荷试验的工程实践，对深井荷试验装置的核心部分? ?反力装置，设计了侧壁支撑反力加载系统，该加载系统具有实用、简便、稳定及安个等优点。