Seismic fragility analysis of steel moment-resisting frame structure with differential settlement

Bao, Chao; Ma, Xiaotong; Lim, Kar Sing; Chen, Gang; Xu, Fangze; Tan, Fubo; Hamid, N. H.

doi:10.1016/j.soildyn.2020.106526

Cited by 12 publications

(1 citation statement)

References 33 publications

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“…Deflection T bud causes troublesome use of buildings [7], underestimates their value, and in extreme situations leads to exceeding limit states. Deflection of a building is usually considered as a process altering technical properties of buildings, including dynamic properties [8,9] and reducing the comfort of their use [10,11]. Deflection is often regarded as load while analysing serviceability limit states [7,12] and ultimate limit states [13,14,15], the additional stress-strain measure of floor [16] is also taken into account.…”

Section: Introductionmentioning

confidence: 99%

Reliable Tilt of Objects Subjected to Rectification and Located in Mining Areas

Gromysz

2023

Architecture, Civil Engineering, Environment

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Mining exploitation of hard coal is conducted in the Silesian region in Poland. As a result, the post-mining void is formed which leads to non-uniform lowering of the ground level. Consequently, thousands of buildings are vertically deflected. This type of deflection causes troublesome use of buildings, underestimates their value, and in extreme situations leads to exceeded limit states. Therefore, such buildings are rectified by non-uniform elevations by means of jacks. On the basis of the analysed rectification processes, the method of determining the deflection of a building and the height of elevating its corners were presented depending on the type of building. This paper is a review of methods of determining the deflection of buildings having different sizes: single-storey buildings, single-storey buildings with a usable attic, two-storey buildings, and 11-storey buildings. Moreover, specific situations were analysed, in which the elevation height was determined by a range of additional works performed during rectification. This review was used to develop guidelines for determining deflection values and specifying the height of non-uniform elevation of corners.

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