Safety Management System Prototype/Framework of Deep Foundation Pit Based on BIM and IoT

Table 3

Monitoring plan of the foundation contractor.

Monitoring item		Monitoring frequency
		Pile	Dewatering	Excavation	Base floor concreting after 7 days	Support demolishing and 3 d after
1	Displacement of surrounding roads and buildings	1 per day	2 per week	1 per day	2 per week	1 per day
2	Upper displacement of support system	—	—	1 per day	2 per week	1 per day
3	Bottom displacement of support system	—	—	1 per day	2 per week	1 per day
4	Outside soil displacement out of support system	—	—	1 per day	2 per week	1 per day
5	Underground water level out of support system	—	2 per week	1 per day	2 per week	1 per day
6	Supporting axial force	—	—	1 per day	2 per week	1 per day
7	Settlement of support columns	—	—	1 per day	2 per week	1 per day
8	Water pressure out of pit	—	—	1 per day	2 per week	1 per day