Перегляд Автор "Khokhlin, Denys"

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Building protection in conditions of simultaneous availability of soil base substantial differential settlements and seismic hazard origins
(КНУБА, 2017) Khokhlin, Denys
The problem of possible combination of soil base substantial differential settlements and seismic action is characterized. This theme is extremely urgent subject to significant negative influence of soil base substantial differential settlements evolution on the construction system seismic stability and also to possibility of continuation of base settlements after earthquake. The article’s aim is to consider of building protection features in conditions of both complex influence simultaneous availability. Sequence of theme uncovering in the article consists of the building protection strategy selection in conditions under consideration; straight consideration of recommended protection measures; approaches to the calculation analysis of developed measures. Differentiation of building protection strategies and approaches to the calculation analysis is occurred on basis of the building responsibility class CC-1, CC-2, CC-3 and possible consequences and costs from damages and collapse of buildings. Approaches for building protection methods from separate influences of base settlements or seismic and also results of pre-existing investigations of such influences combination features are analyzed for separation of proposed possible protection measures complex.
Features of base substantial differential settlements influence on structural system seismic stability
(Lira-K, 2016) Khokhlin, Denys
The problem of possible combination of soil base substantial differential settlements and seismic action is characterized. This theme is extremely urgent subject to significant negative influence of soil base substantial differential settlements evolution on the construction system seismic stability. The article’s aim is to consider features of such influence. The considered spectrum of the influence aspects includes:initiation of a complex stress-strain state, which loads additionally structural system when seismic loads are emerging; reduction of the structural system energy capacity to take and absorb the seismic vibration energy; abatement and rupture of seismic stability elements in the construction system; substantial change of a dynamic analytical model. The version of soil base substantial differential settlements occurrence before earthquake is selected for being studied as the most probable and destructive. Design procedure for construction systems under combination of soil base substantial differential settlements influence and seismic action on the basis of capacity spectrum method proposed by author is shortly introduced.