根据他人已有的关于材料应变软化模型的球(柱)形孔扩张问题的解，建立了压密灌浆中的浆泡扩张模型。
According to the former solution of spherical or columnar hole about material strain-softening model, the model for grout bulb expansion is formed in compaction grouting.
分析了预灌浆在破碎和含水地层中具有的充填、压密、粘合及固化等改良岩体原有物理力学性能的综合作用。
The comprehensive effects of filling in, compacting, agglutinating, solidifying and reclamation of rock of pre-grouting in broken aquifer are analyzed.
以一实际工程为例，论述了压密灌浆(压力注浆)在一砖混结构地基加固中的应用，此方法在加固过程中基本无附加沉降，不用开挖。
Based on a practical project, the applications of pressure grouting in strengthening the foundation of a block masonry building are discussed in this paper.
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