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Questions and Answers
What is the primary goal of this course?
Which material is typically used for building in the Philippines due to its lower cost?
What type of structures are generally built with masonry materials?
Which material is made from hot rolled steel and used for large structures?
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Why are masonry structures considered weak against lateral forces?
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Which material is NOT commonly classified under construction in the Philippines?
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What advantage does the DPWH-BRS Materials Engineering examination provide?
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Which of the following is NOT a material specified for testing?
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What is prohibited in the laboratory?
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What is ASTM primarily known for?
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Which ASTM standard pertains to the determination of particle size distribution?
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Which method is used for testing the setting time of hydraulic cement?
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Which step comes first in the process of creating a new ASTM standard?
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Which ASTM standard outlines the determination of slump in concrete?
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Which of the following is not an ASTM standard mentioned?
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What does ASTM C127 test for in coarse aggregate?
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What is the primary reason for testing construction materials before use?
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Which organization is responsible for standardizing the testing of construction materials?
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What is the consequence of using sub-standard construction materials?
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Why is wood not considered a good material for high winds?
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What should be ensured after using electronic or heat-related equipment in the laboratory?
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What is one of the responsibilities of the Bureau of Research and Standards?
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Which type of cement specification is listed as PNS 7:2005?
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What should be done if help is needed in the laboratory?
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What is the minimum requirement for the accreditation of Materials Engineers?
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What must applicants of the Materials Engineer accreditation pass?
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What score is required to automatically be accredited as Materials Engineer I?
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Who is prohibited from taking the Materials Engineer accreditation examination?
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Where is the practical examination for upgrading to Materials Engineer II conducted?
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What must applicants demonstrate during the practical examination?
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What is the purpose of the written examination score conversion?
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Which edition of the DPWH Standard Specifications is referenced for infrastructure projects?
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What is required for an Accredited Materials Engineer I to be upgraded to Materials Engineer II?
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What is the minimum score required in the Practical Examination to qualify as Materials Engineer II?
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How long is an Accreditation barred if an applicant fails to upgrade after two attempts?
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Which of the following can a DPWH engineer achieve after scoring 60% and above in the exam?
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What is the limit for a Materials Engineer II assigned to projects?
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How many projects can a Materials Engineer I handle with a total cost of P150M?
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What happens to an accredited engineer who enters government service and wants to be a DPWH Materials Engineer?
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What must a failed applicant do after two unsuccessful attempts at upgrading?
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Study Notes
Course Introduction
- Aim to familiarize students with standard testing procedures for construction materials.
- Prepares students for the DPWH-BRS Materials Engineering examination essential for civil engineering professionals.
- Focus on material testing, especially in concrete engineering.
Testing Importance
- Testing materials such as cement, sand, gravel, and steel determines physical and mechanical properties.
- Identifies potential problems before, during, and after construction.
- Ensures safety of structures and occupants.
- Punishable by law to use or sell sub-standard construction materials.
Construction Materials in the Philippines
- Reinforced Concrete: Commonly used due to lower cost; consists of concrete and steel reinforcing bars.
- Structural Steel: Preferred for warehouses and large structures; typically involves hot-rolled steel sections.
- Masonry: Used mostly in bungalows; considered non-engineered and low-cost but vulnerable to lateral forces.
- Wood: Cost varies by type; generally safe in earthquakes but less durable in high winds.
Standards and Specifications
- Governed by the DPWH-Bureau of Research and Standards (BRS) ensuring compliance with construction standards.
- BPS Designation Numbers for key materials include:
- Portland Cement (PNS 7:2005)
- Plywood (PNS 196:2000)
- Re-rolled Steel Bars (PNS 211:2000)
ASTM Standards
- ASTM sets international standards, influencing methodologies in material testing globally.
- Over 12,800 standards and used in 110 countries.
- Tests include:
- Particle size distribution of aggregates (ASTM C136).
- Compressive strength of concrete (ASTM C39).
- Time of setting for hydraulic cement (ASTM C191).
Laboratory Safety
- Prioritize safety; unnecessary tasks are prohibited in the lab.
- Equipment must be turned off after use; first aid kits available.
- Supervision is required for operating critical equipment like UTM and ovens.
Accreditation of Materials Engineers
- Minimum requirement: must be a registered and licensed Civil Engineer.
- Written and practical exams determine accreditation status.
- Government engineers are barred from taking the exam for Contractor's Materials Engineer roles.
Classification and Assignment
- Materials Engineers classified based on exam results:
- Materials Engineer I: Scores of 60% or above. Limited to project costs ranging from P150M to P250M.
- Materials Engineer II: No cost limit on projects; may handle larger financial responsibilities (up to P300M aggregate).
Upgrading Process
- Materials Engineer I can upgrade to II through a practical examination only.
- Failed attempts bar from retaking the practical exam for a year and require refresher courses.
- DPWH engineers seeking private accreditation maintain their exam scores for consideration in the accreditation process.
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Description
This quiz aims to familiarize students with standard testing procedures for construction materials, crucial for the civil engineering field. It prepares students for the DPWH-BRS Materials Engineering examination and highlights the importance of material testing, particularly in concrete engineering.