Model Test Research on the Influence of Gate Blocking in Siltation Environment

Table 5

Test results of pull-out force of underwater blockage (single).

Blocked objects	Blockage height (m)	Blockage + water/overall height (m)	Blocked objects’ contact area (m^2)	Blocked objects’ deadweight (kN)	Pull-out force of blockage (kN)
					Blank test	Silt	Sand	Small stone	Medium stone
1# steel plate	0.4	0.7	0.240	0.173	−0.016	0.486	0.333	0.208	0.297
2# steel plate	0.4	0.7	0.160	0.115	−0.011	0.339	0.212	0.122	0.201
3# steel plate	0.4	0.7	0.080	0.057	−0.006	0.171	0.105	0.062	0.099
1# steel bar	0.4	0.7	0.031	0.029	−0.003	0.100	0.087	0.041	0.065
2# steel bar	0.4	0.7	0.025	0.019	−0.002	0.078	0.069	0.029	0.046
3# steel bar	0.4	0.7	0.020	0.012	−0.001	0.061	0.054	0.019	0.031