Building set 

 into motion 



t = 

 x = 

 F = 9.12xl0 5 newtons 



H,- o 



Building moving 



Building impacts with \ 

 second building \ 



1 



F - 



t = 1.0 second 



x = 1.7 meters 



F = 5.45xl0 5 newtons 



N|j= 7.05x10 newton-seconds 



t = 2.02 seconds 

 x = 6. 1 meters 

 F = 3.59xl0 5 newtons 

 Nk= 1.16xl0 6 newton- 

 seconds 



4T 



14 meters /second 

 1.13 



%= 3.5 



A = 36 meters 



V = 216 meters 3 



Figure 71. Building moved by tsunami surge. 



The coefficient of drag can be approximated by assuming the side of 

 the building is a flat plate. To determine an equivalent flat plate 

 using Table 6, assume that the submerged depth for underflow and 

 overflow (a totally submerged plate) is twice the depth of the 

 building, or 



and from Table 6 



12.0 

 2 x 3.0 



2.0 



From Figure 69, where 



1.13 





a 

 b 



- 6 -° - 5 





12.0 



then 





C„„ = 3.5 



M 



and equation (342) gives 







S A 





1.13 x 36 



2V(1 + C J 2 x 216(1 + 3.5) 



0.021 



189 



