1·It is reliable to achieve autocontrol of cement grouting machine by appliance of PLC, and to improve the reliability of system.
通过应用PLC可以实现对水泥灌浆机系统的自动控制，提高系统的可靠性。
2·The experiment shows that the epoxy grouting material has binding strength more powerful and solidified time shorter, and can be especially used in the moist surface.
试验表明，环氧灌浆料具有较高的粘结强度，而且固化时间短，尤其能在潮湿界面中使用。
3·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。
4·The relationship of grouting pressure and ground displacement.
灌浆压力与地表抬动值的关系。
5·The water pressure test after adopting cement grouting proves, although the permeability of rock improves, it can not achieve the design requirement.
采用水泥灌浆后所做的压水试验证明，岩土的渗透性能虽然得到改善，但是达不到设计要求。