Grouting cushion stopper

作者: Shen Jiayan

DOI:

关键词: GeologySpark plugCushionHead (vessel)Seal (mechanical)GroutAir compressorGeotechnical engineering

摘要: A grouting cushion stopper is composed of a pump, grout delivery pipe, spraying head, sealing plug, an air compressor and the like. The plug arranged around wall, located at junction between head pipe. connected with through As additionally pipe hole can be prevented from overflowing; aims to prevent situation that overflows due facts gaps exist pressure relieved. After extends into ground, inflates seal gaps, are blocked by inflated in this way, return formed, forced evenly permeate periphery bottom layer. completed, deflated raised half meter together then for grouting; steps repeated until reaches mouth, so whole distributed reinforcement. size depends on wall. In quality ensured.

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