Table 1 - uploaded by Thomas Baheru
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Wind-driven rain is one of the main sources of damage to building interior and contents during hurricane landfall. Recently, vulnerability models for hurricane induced total building interior damage (damage to building interior components, utilities, and contents) have been widely developed for prediction of property loss in relation to determinati...
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Context 1
... total of 38 tests were conducted on the three building models, collecting either direct impinging rain or surface runoff. Table 1 summarizes the test protocol. The direct impinging rainwater on gable roof building was measured for RAF at three different wind speeds keeping the same wind direction to test the hypothesis that the RAF value at a given location on a building façade is independent of the wind speed. ...
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The Sierra Norte de Puebla (Mexico) is a tropical mountain frequently affected by torrential rains induced by depressions and hurricanes. In October 1999 and 2005, intense precipitation triggered hundreds of landslides and caused heavy human losses and material damages. All the landslides surveyed in the field and their traces extracted from the sa...
The Sierra Norte de Puebla (Mexico) is a tropical mountain frequently affected by torrential
rains induced by depressions and hurricanes. In October 1999 and 2005, intense precipitation
triggered hundreds of landslides and caused heavy human losses and material damages.
All the landslides surveyed in the field and their traces extracted from the sa...
Citations
... The wind-induced inertial force is the main driving force along with gravitational and viscous forces dictating raindrops trajectories and intrusion of rainwater through an opening. The turbulent wind plays an important role in the formation of the flow patterns of deposited WDR on the building façade, affecting the distribution of impinging raindrops deposition and accumulation of surface runoff rainwater (Baheru et al. 2013). Moreover, the wind-induced pressure difference across the opening drives in the WDR together with air resulting in significant rainwater intrusion into the building interior especially in case of smaller openings such as envelope defects and exposure of roof underlayment to hurricane WDR (Bitsuamlak et al. 2009;Dao and van de Lindt 2012). ...
... Based on the basic formulation by Dao and Lindt (2010), this paper presents the development of a test-based WDR intrusion model which can be used to estimate the WDR intrusion through envelope defects and breaches during tropical storms and hurricanes. The new model quantifies the WDR intrusion based on opening types and uses experimental data of model parameters based on 12-fan wall of wind (WOW) wind-driven-rain testing (Baheru et al. 2013). This WDR intrusion model can be implemented in hurricane-induced building damage models to predict the total building interior damage and subsequent economic loss. ...
Wind-driven rain (WDR) intrusion through building envelope defects and breaches is a major source of damage to building interior components and contents during hurricane landfall. The extent of total building interior damage (damage to building interior components, utility, and contents) is a function of the total volume of WDR intrusion which in turn is dependent on the size of openings, wind speed, and rain intensity. Currently, the volume of rainwater intrusion through a given opening on a building façade is estimated using a semiempirical model with use of parametric information based on engineering judgment. This paper presents a test-based WDR intrusion model which uses values of parameters developed through testing of building models under simulated WDR conditions. The model estimates the total volume of rainwater intrusion through an opening as a summation of WDR volume attributable to direct impinging raindrops and surface runoff rainwater from the undamaged envelope area. Test-based WDR intrusion data measured using a building model with simulated envelope defects and breaches were used to validate the applicability of the new WDR intrusion model to full-scale buildings. Comparison between model estimation results and WDR intrusion measurements through simulated window sill cracks and envelope breaches demonstrated reasonable agreement. The model presented herein can be used to predict the WDR intrusion and subsequent interior damage to low-rise buildings during tropical storms and hurricanes.
... El problema de la interacción entre la lluvia y un edificio ha sido estudiado por Straube (1998), Straube y Burnett (2000), Blocken et al. (2005Blocken et al. ( , 2010Blocken et al. ( , 2012, y Choi (1993Choi ( , 1994 pero no para el caso de tormentas tropicales. Investigaciones recientes por Baheru et al. (2013aBaheru et al. ( , 2013bBaheru et al. ( , 2014 son las primeras en cuantificar experimentalmente el impacto de la lluvia y el escurrimiento de agua sobre un inmueble en condiciones típicas de un huracán. El enfoque de este artículo es la integración de los resultados de estos ensayos con el modelo de daño exterior del FPHLM (2012), para cuantificar el volumen de agua que penetra en un edificio y el subsecuente daño interior. ...
... Experimentos a gran escala se llevaron a cabo en el "Muro de Viento" de la Florida International University de Miami para medir el factor de admitancia de lluvia (FALL) y el coeficiente de escurrimiento de superficie (CES) para un edificio de un piso con techo a dos aguas, techo a cuatro aguas, y techo plano, para varias velocidades y direcciones de viento. Los resultados detallados de los ensayos se encuentran en Baheru et al. (2013aBaheru et al. ( , 2013bBaheru et al. ( , 2014. ...
