Aiming at the disadvantages of gravity grouting soil nailing, high-pressure grouting soil nailing is introduced in this paper, and its characteristics are discussed.
面对重力注浆土钉的一些不足，提出了高压注浆土钉，并对它的一些特性作了一些探讨。
The grouting material have great fluidity, no shrinkage, early strength, gravity flow, excellent filling performance and so on… Simple construction Operation and easy accession to technology.
以特选胶凝材料，粉状骨料，外掺料，经特殊工艺配制而成的专用灌浆材料，具有极大流动度，无收缩，早强，自流，充填性能优越等特点，施工操作方便，技术易于掌握。
The grouting material have great fluidity, no shrinkage, early strength, gravity flow, excellent filling performance and so on… Simple construction Operation and easy accession to technology.
以特选胶凝材料，粉状骨料，外掺料，经特殊工艺配制而成的专用灌浆材料，具有极大流动度，无收缩，早强，自流，充填性能优越等特点，施工操作方便，技术易于掌握。
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