The surface mounting sensors have the advantage of being replaced, but they can not solve the issue of monitoring deadloadstress.
表贴传感器具有可更换的优点，但不能解决恒载应力监测问题。
2
The pre-embedded approach can resolve the issue of monitoring deadloadstress, but the long-term monitoring can not be achieved due to sensor life.
预埋的方式可解决恒载应力的监测问题，但存在因传感器寿命问题而不能实现长期监测；
3
Combined with in-situ loading test of a certain hydraulic project, the bearing capacity of soft sandy gravel rock foundation and the effect of deadloadstress on the bearing capacity are discussed.