A grid-based methodology for the assessment of time-dependent building damage at large scale

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Fältnamn	Indikatorer	Metadata
000		04175naa a2200421 4500
001		oai:research.chalmers.se:423745e6-a7cc-4bc6-b261-687f0571b44f
003		SwePub
008		240521s2024 \| \|\|\|\|\|\|\|\|\|\|\|000 \|\|eng\|
024	7	a https://doi.org/10.1016/j.tust.2024.1057882 DOI
024	7	a https://research.chalmers.se/publication/5412132 URI
040		a (SwePub)cth
041		a engb eng
042		9 SwePub
072	7	a art2 swepub-publicationtype
072	7	a ref2 swepub-contenttype
100	1	a Wikby, Pierre,d 1995u Chalmers tekniska högskola,Chalmers University of Technology4 aut0 (Swepub:cth)wikby
245	1 0	a A grid-based methodology for the assessment of time-dependent building damage at large scale
264	1	c 2024
338		a electronic2 rdacarrier
520		a Leakage into underground constructions can result in time-dependent settlements in soft clays. In urban areas with spatial variability in geologic stratification, groundwater conditions and soil compressibility, differential settlements may occur, causing damage to buildings. Current methods for damage assessment that rely on 1D formulations for settlement prediction are not representative for drawdown-induced settlements in heterogeneous environments. Thus, in this paper, we propose a stand-alone approach to integrating spatially distributed, non-Gaussian settlement data into early-stage building damage assessments at a district scale. Deformations computed using a 2D coupled hydro-mechanical finite element model with an advanced constitutive model were then employed to get the time-dependent settlements computed as a 3D grid (along x- and y-directions) over a large area. Building damage was then calculated from these green-field simulations with typically used damage parameters for each building-specific settlement profile and comparing these with damage criteria. The approach was applied to 215 buildings in central Gothenburg, Sweden by simulating scenarios of 10 kPa and 40 kPa pore pressure drawdown in the lower (confined) aquifer. Several scenarios were studied, and the correlation between damage parameters and damage criteria was assessed. Finally, a sensitivity study on grid resolution was performed, as well as a validation against observed damage data. The proposed methodology offers an effective way for early-stage damage assessments at a large area for non-Gaussian settlements so that further investigations and mitigation measures can be targeted to the buildings and locations at the highest risk for damage.
650	7	a NATURVETENSKAPx Matematikx Beräkningsmatematik0 (SwePub)101052 hsv//swe
650	7	a NATURAL SCIENCESx Mathematicsx Computational Mathematics0 (SwePub)101052 hsv//eng
650	7	a TEKNIK OCH TEKNOLOGIERx Samhällsbyggnadsteknikx Geoteknik0 (SwePub)201062 hsv//swe
650	7	a ENGINEERING AND TECHNOLOGYx Civil Engineeringx Geotechnical Engineering0 (SwePub)201062 hsv//eng
653		a District scale analyses
653		a Building damage
653		a Time-dependent settlements
653		a Differential settlements
700	1	a Haaf, Ezra,d 1985u Chalmers tekniska högskola,Chalmers University of Technology4 aut0 (Swepub:cth)ezra
700	1	a Abed, Ayman,d 1976u Chalmers tekniska högskola,Chalmers University of Technology4 aut0 (Swepub:cth)aayman
700	1	a Rosen, Lars,d 1962u Chalmers tekniska högskola,Chalmers University of Technology4 aut0 (Swepub:cth)rosen
700	1	a Sundell, Jonas,d 1984u Chalmers tekniska högskola,Chalmers University of Technology,Statens Geotekniska Institut (SGI),Swedish Geotechnical Institute (SGI)4 aut0 (Swepub:cth)sundellj
700	1	a Karstunen, Minna,d 1965u Chalmers tekniska högskola,Chalmers University of Technology4 aut0 (Swepub:cth)minnaka
710	2	a Chalmers tekniska högskolab Statens Geotekniska Institut (SGI)4 org
773	0	t Tunnelling and Underground Space Technologyg 149q 149x 0886-7798
856	4	u https://research.chalmers.se/publication/541213/file/541213_Fulltext.pdfx primaryx freey FULLTEXT
856	4 8	u https://doi.org/10.1016/j.tust.2024.105788
856	4 8	u https://research.chalmers.se/publication/541213

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Av författaren/redakt...: Wikby, Pierre, 1 ...; Haaf, Ezra, 1985; Abed, Ayman, 197 ...; Rosen, Lars, 196 ...; Sundell, Jonas, ...; Karstunen, Minna ...

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