A study on lahar as a substitute for ordinary river sand as a fine aggregate in the production of reinforced pipe culverts.
Date of Publication
2000
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
The research has included the determination of the effects of substituting lahar sand to ordinary river sand as a fine aggregate material in the production of commercial reinforced pipe culverts. Five types of specimen were manufactured and tested in order to find an approximate optimum percentage composition of both lahar sand and ordinary river sand. To note the effects of changing the composition of the fine aggregate in the concrete mixture, varying concentrations of lahar and river sand were used. The composition of fine aggregates in the culverts we tested were 100% lahar sand, 75% lahar sand with 25% of ordinary river sand, 50% of lahar sand with 50% of ordinary river sand, 25% of lahar sand with 75% of ordinary river sand, and 100% ordinary river sand. Tests were conducted in order to get the permeability and tensile strength of the different kinds of reinforced pipe culverts.
The chemical and physical properties of both lahar sand and ordinary river sand were also researched upon in order to have an additional basis on the analysis of this research. Some of the physical properties that were tested were the moisture content, specific gravity and grain size distribution of both materials.
The group discovered that the use of 100% lahar sand as fine aggregate in pipe culverts would be cheaper, less permeable, but most importantly, produce a greater ultimate tensile strength than the use of ordinary river sand.
Abstract Format
html
Language
English
Format
Accession Number
TU09896
Shelf Location
Archives, The Learning Commons, 12F, Henry Sy Sr. Hall
Physical Description
30 numb. leaves ; Computer print-out.
Keywords
Volcanic ash, tuff, etc.; Aggregates (Building materials)
Recommended Citation
Ortiz, C. T., San Juan, J. B., & Uy, C. A. (2000). A study on lahar as a substitute for ordinary river sand as a fine aggregate in the production of reinforced pipe culverts.. Retrieved from https://animorepository.dlsu.edu.ph/etd_bachelors/10359
