阐述了在松散渣铁层及河岸漂卵石层中快速成孔，形成较大直径的旋喷注浆桩的过程。
The paper describes the building-up process of a large size rotary jet slip-casting pile by quick pore-forming in bulky iron slag layer and in river banks floated pebble bed.
结果表明，桩周附近的侧阻与端阻有了较大幅度的提高，而且注浆桩将具有强劲的后继端阻和侧阻。
The results indicate that the side and end resistance around the pile increase greatly, and the poured pile has the powerful continuous end-friction and bottom-friction.
通过室内模型试验及现场试验，对碎石注浆桩这一新型桩基技术的承载性状、工作机理进行了试验研究。
The bearing behaviors and working mechanics of crushed stone grouting piles, a new technique, are studied by model tests and field tests.
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