| 动力参数（频率－初速）法无损检测承压桩中的几个问题 |
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| 引用本文： | 梁文选,蔡遥念,杨红春. 动力参数（频率－初速）法无损检测承压桩中的几个问题[J]. 工业建筑, 1994, 0(11) |
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| 作者姓名： | 梁文选 蔡遥念 杨红春 |
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| 作者单位： | 湖北省工业建筑总公司建筑地基基础研究所 |
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| 摘 要： | 动力参数（频率－初速）法无损检测承压桩，当能正确使用时，其测试结果与静载试桩的误差有可能保持在５％以内。本文从测试仪器的选用、桩头处理粘贴的钢板、激振能量的选择、穿心锤的构造、调整系数Ｋｖ的确定等方面，说明了如何正确使用该法。
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| 关 键 词： | 动力参数（频率－初速）法，承压桩，单桩承载力，桩头钢板，激振能量，穿心锤，调整系数 |
SEVERAL QUESTIONS IN NONDESTRUCTIVE TESTING BEARING PRESSURE PILE BY POWER PARAMETER (FREQUENCY-INITIAL VELOCITY)METHOD |
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| Liang Wenxuan,Cai Yaonian,Yong Hongchun. SEVERAL QUESTIONS IN NONDESTRUCTIVE TESTING BEARING PRESSURE PILE BY POWER PARAMETER (FREQUENCY-INITIAL VELOCITY)METHOD[J]. Industrial Construction, 1994, 0(11) |
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| Authors: | Liang Wenxuan Cai Yaonian Yong Hongchun |
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| Affiliation: | Institute of foundation engineeing construction of Hubei Industrial Construction Corporation |
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| Abstract: | To nondestructively test bearing pressure pile sing dynamic parameter(frequency-initial velocity)method generaly the error of the testing results compared with the static load testing pile can keep less than 5%if operating properly.The paper explains how to use the methed correctly in view of the selection of testing imstrument,the plate steel of sticking management of pile head,the selection of hammar vibrate energy, the structure of piecing hammer,and adjustment coefficient Kv etc. |
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| Keywords: | dynamic parameter(frequency-initial velocity) method sinqle pile capacity bearing pressure pile palate steel of pile head hammer vibrate energy pilereing hammer adjustment coefficient |
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