低应变反射波法在PHC管桩检测中的应用和探讨
|
摘要
阐述了低应变反射波法检测桩体的原理,通过工程实例对低应变反射波法检测PHC管桩有关问题进行了探讨。结果表明,根据PHC管桩不同缺陷时所对应的波形变化可初步判断缺陷性质,对浅部缺陷用尼龙锤,应尽量减少接桩数量和加强接桩施工质量,低应变反射波法时域曲线分析可以结合频域曲线共同分析。
The test principles are elaborated on the low strain reflection method in steel pipe inspection.Related questions about the low strain reflection method are discussed in the PHC steel pipe.The results indicated that the flaw nature can be judged initially according to different flaws correspond the profile change in PHC steel pipe.The nylon hammer should be used in the shallow flaw.The pile extension quantity should be reduced and the pile extension construction quality should enhanced as far as possible.The analysis between time domain curve with the frequency range curve can be unified together in lowstrain reflection method.
The test principles are elaborated on the low strain reflection method in steel pipe inspection.Related questions about the low strain reflection method are discussed in the PHC steel pipe.The results indicated that the flaw nature can be judged initially according to different flaws correspond the profile change in PHC steel pipe.The nylon hammer should be used in the shallow flaw.The pile extension quantity should be reduced and the pile extension construction quality should enhanced as far as possible.The analysis between time domain curve with the frequency range curve can be unified together in lowstrain reflection method.
引文
[1]张海峰,唐立宪.反射波法低应变桩基检测过程浅析[J].岩土工程学报,1998(1):90-91.
[2]蔡立志,俞力疾,李锐.应力波反射波法检测的原理和实践[J].建筑施工,2008(4):284-286.
[3]王登杰,马国梁,王海勇,等.反射波法低应变桩基检测探讨[J].山东大学学报:工学版,2002(4):192-196.
[4]陈昌军.低应变反射波法在基桩检测中的应用实例及一些问题的探讨[J].华南地震,2003(6):85-89.
[5]程庆阳,陈少波,安志强.应力波反射法动测桩浅部缺陷分析[J].四川建筑科学研究,1999(4):32-33.
[6]姚黎明.反射波法测桩几个问题的认识[J].勘察科学技术,2001(5):61-64.
[2]蔡立志,俞力疾,李锐.应力波反射波法检测的原理和实践[J].建筑施工,2008(4):284-286.
[3]王登杰,马国梁,王海勇,等.反射波法低应变桩基检测探讨[J].山东大学学报:工学版,2002(4):192-196.
[4]陈昌军.低应变反射波法在基桩检测中的应用实例及一些问题的探讨[J].华南地震,2003(6):85-89.
[5]程庆阳,陈少波,安志强.应力波反射法动测桩浅部缺陷分析[J].四川建筑科学研究,1999(4):32-33.
[6]姚黎明.反射波法测桩几个问题的认识[J].勘察科学技术,2001(5):61-64.
版权所有：© 2023 中国地质图书馆 中国地质调查局地学文献中心