Wood Frame Building Response to Rapid-Onset Flooding

Becker, A.; Johnstone, William M.; Lence, Barbara J.

doi:10.1061/(asce)nh.1527-6996.0000029

Cited by 14 publications

(11 citation statements)

References 5 publications

(5 reference statements)

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“…* Buoyancy can cause a building to drift from its foundation. Previous studies have shown that buildings will float when the flood depth reaches approximately three quarters of the building height (Becker et al, 2010). 1 Where limited information specific to developing countries' building practices was available, information from non-developing countries has been included.…”

Section: Accepted Articlementioning

confidence: 99%

“… * Buoyancy can cause a building to drift from its foundation. Previous studies have shown that buildings will float when the flood depth reaches approximately three‐quarters of the building height (Becker et al., 2010). …”

Section: Asynergies Of Building‐level Drr Measuresmentioning

confidence: 99%

“…Wood‐framed houses are light, and when tied together well they are able to resist earthquake damage due to their flexibility (Holliday & Kang, 2012). However, as shown in Table 1, the use of wood creates a flood asynergy: studies have shown that high flow velocity increases the risk of flood damages to wooden buildings, especially in the case of flash floods (Becker et al., 2010). In contrast to wood‐frame buildings, earthen structures tend to be heavy, causing even small accelerations to lead to high seismic forces, increasing the chance of damages (Holliday & Kang, 2012).…”

Section: Asynergies Of Building‐level Drr Measuresmentioning

confidence: 99%

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The Asynergies of Structural Disaster Risk Reduction Measures: Comparing Floods and Earthquakes

et al. 2021

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Traditionally, building-level risk reduction measures aim to address the risk of a single hazard type, for instance, through building codes (Cutter et al., 2015; Daniell, 2015; Shreve & Kelman, 2014). However, many countries face the risk of multiple disasters (Cutter et al., 2015; De Ruiter et al., 2020). Floods and earthquakes are often the hazard types with the highest economic damages, especially in developing countries (Zorn, 2018), and their damages are likely to continue to increase in the future (Bilham, 2009; Cutter et al., 2015; Winsemius et al., 2016). The increase in the damages in the future is due to both a projected increase in the frequency of (climate-driven) hazards (in the case of floods), and also due to increasing exposure in vulnerable areas (Balica et al., 2015). This is expected to continue in the future, with projections estimating that the world's population will have doubled between 1950 and 2050, which requires the construction of an additional 1 billion housing units (Bilham, 2009). Moreover, social inequalities cause developing countries and the poor to suffer disproportionally from the impacts of natural hazards (

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Section: Accepted Articlementioning

confidence: 99%

Section: Asynergies Of Building‐level Drr Measuresmentioning

confidence: 99%

Section: Asynergies Of Building‐level Drr Measuresmentioning

confidence: 99%

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The Asynergies of Structural Disaster Risk Reduction Measures: Comparing Floods and Earthquakes

et al. 2021

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“…Distributed resistance parameters are needed for local prediction of velocity [10] [11] which might be required for damage assessment or predictions of sediment erosion and deposition [12]. Based on Becker et al [13] findings, he concluded that structural failure comprises a large portion of the response space for higher depth and velocity combination under flood response scenarios. Thus, by developing a greater understanding of building response to high-velocity floodwaters through this type of behavior modeling, actions could be investigated that may improve resistance of buildings in flood-prone areas.…”

Section: Building Response and Flood Damagementioning

confidence: 99%

The Ability of Wall Openings to Reduce Flood Induced Forces on Residential Building

Faisal¹

2018

GEOMATE

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Flood induced forces could threaten the stability of residential building during flooding event. The building will have to face the hydrodynamic pressures and sometime impact load from the debris carrying floods. A study on the behavior of flood water movement through external wall were carried out to identify the various wall opening dimensions and its ability to minimize the flood water forces on buildings. Two types of experiments were carried out. First, a water flow table was used to visualize the water pattern diffusion. Next, flood tunnel was used to measure water velocity reduction response of the various walls. The wall opening configurations were based on the common types of wall opening found in Malaysia. Generally, the results show that walls with bigger openings could withstand the water forces better. This is indicated by the smaller velocity reduction and diffusion when the flowing water passes through the wall. However, the level of opening from the ground could change the overall performance of the various opening sizes as shown by some of the models. Therefore, further studies should be carried out to determine suitable dimensional characteristics and level of the wall openings from the ground. This could produce an optimum impact reduction wall design for residential building in flood prone area.

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“…Becker et al (2011) show that a key factor of building response to the external actions is the interaction between the structural components of the building and the wave. The pressure of the tsunami bore can be likened to the pressures attributable to winds that are treated as uniform lateral pressures acting along the entire height of the building.…”

Section: Introductionmentioning

confidence: 99%

Modelling of tsunami-induced bore and structure interaction

Pringgana¹,

Cunningham

Rogers³

2016

Proceedings of the Institution of Civil Engineers - Engineering

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2 3A series of three-dimensional smoothed particle hydrodynamics (SPH) and finite-element (FE) models, with a domain in the form of a water tank, were undertaken to simulate tsunami-induced bore impact on a discrete onshore structure on a dry bed. The fluid motion was simulated using the SPH-based software DualSPHysics. The tsunami-like waves were represented by solitary waves with different characteristics generated by the numerical paddle wavemaker. Numerical probes were uniformly distributed on the structure's vertical surface providing detailed measures of the pressure distribution across the structure. The peak impact locations on the structure's surface were specifically determined and the associated peak pressures then compared with the prediction of existing commonly used design equations. Using the pressure-time histories from the SPH model, FE analysis was conducted with Abaqus to model the dynamic response of a representative timber structure. The results show that the equations used to estimate the associated pressure for design purposes can be highly non-conservative. By gaining a detailed insight into the impact pressures and structure response, engineers have the potential means to optimise the design of structures under tsunami impact loads and improve survivability. Notation

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Wood Frame Building Response to Rapid-Onset Flooding

Cited by 14 publications

References 5 publications

The Asynergies of Structural Disaster Risk Reduction Measures: Comparing Floods and Earthquakes

The Asynergies of Structural Disaster Risk Reduction Measures: Comparing Floods and Earthquakes

The Ability of Wall Openings to Reduce Flood Induced Forces on Residential Building

Modelling of tsunami-induced bore and structure interaction

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