To change slope safety and eliminate hidden troubles, some comprehensive strengthening methods are adopted, that is wall grouting, spray anchor, prestressed anchor and grid beams etc.

为改善边坡的安全状况，消除隐患，采用对墙体灌浆、喷锚、预应力锚索和格构梁等综合加固方法。

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For this, rotary jet grouting and static grouting were adopted for strengthening the roadbed, and the unevenness and cracking have been well controlled.

为此，对该路基采用了旋喷注浆和静压注浆加固，使不均匀和开裂得到了有效的控制。

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This paper expounds the application of grouting technology in strengthening old road bed. It also discusses the technology, quality controlling, treatment result and evaluation of the technique.

阐述了灌浆技术在旧路基加固上的应用以及灌浆的施工工艺、施工质量控制、处治效果与评价。

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The work, which will involve drilling and grouting old mine workings and strengthening slopes and the river banks, will take four years, the council said.

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