Rainfall-runoff analysis in evaluating storm drainage systems

Date of Publication

1998

Document Type

Bachelor's Thesis

Degree Name

Bachelor of Science in Civil Engineering

Subject Categories

Civil Engineering

College

Gokongwei College of Engineering

Department/Unit

Civil Engineering

Abstract/Summary

This study is focused in analyzing the responses of an existing storm drainage system under a five and ten-year storm using the hydrograph method (SCS Dimensionless Unit Hydrograph Approach) as mean of analysis. Particularly, the subject is an open canal drainage system serving a 45,968 square meter residential and semi-commercial subdivision located at Barrio Matalahib, Tarlac, Tarlac.

The capacity of the existing system was estimated to a maximum value of 99.90 cubic feet per second. It was found to inadequate to carry the maximum peak flows of a five year storm ranging from 22.76 cfs to 119.58 cfs. Estimated flood depths were mapped showing different depth increments and reaches. It was also found that to be able to minimize flooding, the design of the existing system should be improved.

This study depends on the basic assumptions such as soil types, housing frontages and others. It was highly recommended to further emphasize on these parameters by performing actual experiments and extensive researches.

Abstract Format

html

Language

English

Format

Print

Accession Number

TU09506

Shelf Location

Archives, The Learning Commons, 12F, Henry Sy Sr. Hall

Physical Description

59 leaves ; Computer printout

Keywords

Storm sewers

Embargo Period

2-3-2021

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