2）钻孔或采用振动法将金属注浆管压入土层；
3）当采用钻孔法时，应从钻杆内注入封闭泥浆，然后插入孔径为50mm的金属注浆管；
4）待封闭泥浆凝固后，捅去注浆管的活络堵头，然后提升注浆管自下向上或自上向下对地层注入水泥-砂浆液或水泥-水玻璃双液快凝浆液。
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