"Investigation on the quality of concrete in residential constructions " by Richard Emille K. Ramos

Investigation on the quality of concrete in residential constructions in Laguna

Date

4-2012

Degree

Bachelor of Science in Civil Engineering

College

College of Engineering and Agro-Industrial Technology (CEAT)

Adviser/Committee Chair

Kimberly T. Solon

Abstract

This study was conducted to investigate the quality of job mixed concrete in residential constructions in Laguna. Residential sites performing job mixing of concrete were located in the towns of Los Baños, Bay, and Sta. Cruz. Concrete samples were taken from each site and the slump test and compressive strength test were performed to determine its overall quality. All of the residential construction sites used Type IP cement, 3/4 inch crushed stone and river sand. Results show that most of the fresh concrete contained high amount of water and thus, indicating high workability but low compressive strength. The data also show that most of the compressive strengths of concrete did not pass the standard strength as specified by the National Structural Code of the Philippines (NSCP). residential sites performing job mixing tend to choose a high level of workability by adding more water to the mix to provide the ease of work without considering the negative effect to the compressive strength. Recommendations were considering the negative effect to the compressive strength. Recommendations were provided to improve the quality of job mixed concrete for residential construction.

Language

English

Location

UPLB College of Engineering and Agro-Industrial Technology (CEAT)

Call Number

LG 993.5 2012 E63 /R36

Document Type

Thesis

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