Banca de DEFESA: CARLLA RAFAELLA BARROS DE ANDRADE

Uma banca de DEFESA de MESTRADO foi cadastrada pelo programa.
STUDENT : CARLLA RAFAELLA BARROS DE ANDRADE
DATE: 23/02/2022
TIME: 09:00
LOCAL: Auditório Pós-Graduação em Engenharia Civil on line
TITLE:

Shallow Landslide Susceptibility Analysis Using a Mathematical Model in Drainage Microbasin in Barreiras Formation Located in the North Zone of Recife-PE

KEY WORDS:

Geotechnical Characterization. Susceptibility Analysis. Trigrs Model.

PAGES: 280
BIG AREA: Engenharias
AREA: Engenharia Civil
SUMMARY:

The North Zone of Recife is well known due to the frequent occurrence of mass movements in rainy months, with a vast history of landslides with fatal and non-fatal victims and destruction of properties over the years. The study areas are two watersheds (with 0.6 and 0.17 km2) located in the North Zone of the city of Recife-PE. Given the vulnerability of this location, the purpose of this dissertationis to characterize the soils of the study area; to prepare a map with the records of landslides that occurred, based on data from the Civil Defense of the city of Recife to develop maps of susceptibility to shallow landslides in the study area, considering from a mathematical model, TRIGRS and to analyze the performance of this model through the LR CLASS methodology. The susceptibility analyzes were divided into two scenarios. SAT Scenario, considering saturated seepage, and NSAT Scenario, considering unsaturated seepage. For each scenario, the maximum soil depth (Zmax) was changed to calculate the pore pressure and the Safety Factor, considering soil depths of 1, 2, and 3m. The results of laboratory and field tests reveal that there is parity of these with the data from other research, a fact that can make the numerical modeling adequate for the prediction of the occurrence of landslides. The validation of the SAT Scenario susceptibility analyzes did not show significant differences between the NSAT Scenario analyses. The validation of the NSAT Scenario susceptibility analyses for Zmax 2 and 3 meters was, in general, more accurate.

BANKING MEMBERS:
Externo à Instituição - RICARDO NASCIMENTO FLORES SEVERO - IFRN
Presidente - 1130440 - ROBERTO QUENTAL COUTINHO
Externo à Instituição - RODOLFO MOREDA MENDES