The extensive damage to buildings caused by the Nepal Ms8.1 earthquake has attracted much attention by the international community.Afterthe preliminary scientific investigations on the different affected areas inNepal...The extensive damage to buildings caused by the Nepal Ms8.1 earthquake has attracted much attention by the international community.Afterthe preliminary scientific investigations on the different affected areas inNepal,the construction and damage characteristics of five different types of buildings commonly existing in Nepal were discussed and the reasons of their disaster performance were analyzed.Types of buildings investigated include reinforced concrete(RC) frame structures,rubble structures,brick-wood structures,raw soil structures,and brick-wood structures of historic buildings.In addition,the weak links of the seismic design were pointed out,which was very important for the post-earthquake reconstruction and recovery,and gave a preliminary explanations for the damage experienced.展开更多
The knowledge of radiogenic heat generation distributed in the crust is indispensable for the interpretation of terrestrial heat flow patterns and for the calculation of geothermal models; therefore, it is a key to un...The knowledge of radiogenic heat generation distributed in the crust is indispensable for the interpretation of terrestrial heat flow patterns and for the calculation of geothermal models; therefore, it is a key to understanding the heat flow division in the crust and upper mantle, and the thermal state of the lithosphere. The heat generation in uppermost crust is usually calculated by determining the contents of heat production elements U, Th and K展开更多
基金National Science&Technology Pillar Program No.2015BAK17B00Seismic Industry Research Special Fund under Grant No.201508026
文摘The extensive damage to buildings caused by the Nepal Ms8.1 earthquake has attracted much attention by the international community.Afterthe preliminary scientific investigations on the different affected areas inNepal,the construction and damage characteristics of five different types of buildings commonly existing in Nepal were discussed and the reasons of their disaster performance were analyzed.Types of buildings investigated include reinforced concrete(RC) frame structures,rubble structures,brick-wood structures,raw soil structures,and brick-wood structures of historic buildings.In addition,the weak links of the seismic design were pointed out,which was very important for the post-earthquake reconstruction and recovery,and gave a preliminary explanations for the damage experienced.
文摘The knowledge of radiogenic heat generation distributed in the crust is indispensable for the interpretation of terrestrial heat flow patterns and for the calculation of geothermal models; therefore, it is a key to understanding the heat flow division in the crust and upper mantle, and the thermal state of the lithosphere. The heat generation in uppermost crust is usually calculated by determining the contents of heat production elements U, Th and K