[摘要]新疆土石方工程液压加长臂挖掘机的禁止作业与注意事项。液压挖掘机使用的最多的是装载和挖掘土沙岩石作业，挖掘时脚下的土方挖掘过多可能会因支撑过多的重量而发生塌方，因此挖掘作业中要时刻确认车身下的状况，注意不要挖的太靠近脚下是十分重要的。
液压加长臂挖掘机的禁止作业与注意事项。液压挖掘机使用的最多的是装载和挖掘土沙岩石作业，挖掘时脚下的土方挖掘过多可能会因支撑过多的重量而发生塌方，因此挖掘作业中要时刻确认车身下的状况，注意不要挖的太靠近脚下是十分重要的。感觉可能挖的过分就把车往后退一部分，修正好脚下地基，挖到什么程度会发生塌方呢？还因土质而议，松软的土质，水分多的地方危险性就大，作业前要确认土方的坚固程度，必要时要压实一下脚下的土方，为防止脚下塌方，有效的方法是在挖掘面上设置安息角，安息角在35度以内而不能再大。挖掘时把车子行走系统与挖掘面成直角，这一万一脚下地基塌方也较易逃生。车子行走系统与挖掘面平行时的作业要尽量避免，理由有：
Hydraulic excavator is the most commonly used loading and mining soil and sand rock, mining at the foot of the earthwork excavation too much may collapse due to support too much weight and, therefore mining operations to confirm the body condition, pay attention not to cut too close to the foot is the ten important. Feeling may be dug over the car back part of a good foundation, foot, digging to what extent will collapse? Also due to soil and discussion, the loose soil, the local risk of water is big, to confirm the soundness of the earth before the operation, when necessary, to look at the foot of the earthwork compaction, in order to prevent the foot collapse, effective method is to set the rest in mining face angle, angle of repose in the 35 degree and can't big. When the car running system of mining and excavation surface at right angles, the eleven thousand foot ground collapse is easy to escape. The car running system and mining face parallel to the operation should be avoided as far as possible, for reasons:
①行走系统横向的长度比前后方向短，因而挖掘时车体容易脱空，稳定性差。
The running system of horizontal length ratio and direction of short, so mining body easily void, poor stability.
②挖掘时斜面受到负荷，这样脚下地基容易塌方。
The excavation slope under load, so the foot ground easily collapse.
③脚下开始塌方时，不易逃生。
③ feet began to collapse, is not easy to escape.
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