Improved techniques on impact hammer configuration and continuation of dynamic operation are suggested according to engineering specifications and penetration characteristics.
根据贯入特性、工程规范和施工特点，提出了有关桩锤配置与动力连续作业等技术的改进措施。
Improved techniques on impact hammer configuration and continuation of dynamic operation are suggested according to engineering specifications and penetration characteristics.
根据贯入特性、工程规范和施工特点，提出了有关桩锤配置与动力连续作业等技术的改进措施。
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