Construction Materials Testing Module 1
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Questions and Answers

What is the main purpose of testing construction materials before use?

  • To increase the cost of construction
  • To enhance aesthetic appeal
  • To identify potential problems (correct)
  • To expedite the construction process

    • Which organization is recognized for standardizing material testing methodologies?

  • International Construction Council
  • Department of Public Works and Highways
  • Philippine Bureau of Standards
  • ASTM (correct)

    • What is a safety protocol mentioned for laboratory work?

  • Wear safety goggles only during experiments
  • Turn off all equipment after usage (correct)
  • Always leave equipment running
  • Prohibit first aid kit usage

    • Which of the following is a consequence of using sub-standard construction materials?

    <p>Legal penalties</p> Signup and view all the answers

    What is the role of the Bureau of Research and Standards?

    <p>To govern and enforce construction material standards</p> Signup and view all the answers

    Which of the following is NOT part of the safety protocol in the laboratory?

    <p>Borrowing equipment without permission</p> Signup and view all the answers

    Which type of wood is considered less suitable for high wind areas?

    <p>Softwood</p> Signup and view all the answers

    What is the primary responsibility of the members involved in the development of ASTM standards?

    <p>To identify problems and propose revisions</p> Signup and view all the answers

    What standard specification number corresponds to Portland cement?

    <p>PNS 7:2005</p> Signup and view all the answers

    Which of the following ASTM standards pertains to the determination of particle size distribution in aggregates?

    <p>ASTM C136</p> Signup and view all the answers

    What is prohibited in the laboratory setting according to the guidelines?

    <p>Eating</p> Signup and view all the answers

    How many countries have adopted ASTM standards?

    <p>12,800+</p> Signup and view all the answers

    What does ASTM C39 specifically test?

    <p>Compressive and flexural strength of concrete</p> Signup and view all the answers

    What is the main role of a laboratory assistant or faculty member when operating the UTM and oven?

    <p>To ensure safety and compliance</p> Signup and view all the answers

    Which ASTM standard method is used for determining the slump of hydraulic-cement concrete?

    <p>ASTM C143</p> Signup and view all the answers

    Which process must occur first in the development of a new ASTM standard?

    <p>Identification of a problem</p> Signup and view all the answers

    What is the primary goal of the course mentioned in the content?

    <p>To familiarize and train students in standard testing procedures of construction materials.</p> Signup and view all the answers

    Which construction materials are emphasized for testing in this course?

    <p>Cement, sand, gravel, concrete, masonry, steel, and wood.</p> Signup and view all the answers

    Why is reinforced concrete commonly used for construction in the Philippines?

    <p>It is less expensive than other materials.</p> Signup and view all the answers

    What kind of structures typically use structural steel as a material?

    <p>Tall buildings and large warehouses.</p> Signup and view all the answers

    What challenges do masonry structures face in the Philippines?

    <p>Weakness against lateral forces from high winds and earthquakes.</p> Signup and view all the answers

    What is a common characteristic of structural steel materials used in construction?

    <p>They consist of hot-rolled steel shapes like I beams and C channels.</p> Signup and view all the answers

    How are masonry structures classified in terms of engineering?

    <p>Non-engineered and low-cost.</p> Signup and view all the answers

    What is an essential advantage of taking the DPWH-BRS Materials Engineering examination?

    <p>It enables civil engineers to manage construction projects more effectively.</p> Signup and view all the answers

    What is the minimum requirement for the accreditation of materials engineers?

    <p>Must be a registered and licensed Civil Engineer</p> Signup and view all the answers

    What is the score threshold for automatic accreditation as Materials Engineer I?

    <p>60%</p> Signup and view all the answers

    What type of examination must all materials engineer applicants undergo?

    <p>Both written and practical examinations</p> Signup and view all the answers

    Who is prohibited from taking the materials engineering accreditation examination?

    <p>DPWH Engineers and other government engineers</p> Signup and view all the answers

    Where is the practical examination for upgrading to Materials Engineer II conducted?

    <p>At the Bureau of Research and Standards or a DPWH Regional Office</p> Signup and view all the answers

    What happens to applicants who score below 60% on the written examination?

    <p>They are disqualified from the accreditation process</p> Signup and view all the answers

    Which of the following is true regarding the accreditation of foreign applicants?

    <p>The minimum requirement may be extended to them</p> Signup and view all the answers

    Which aspect is covered in the practical examination for upgrading to Materials Engineer II?

    <p>Sampling and testing procedures of construction materials</p> Signup and view all the answers

    What is the minimum score required in the Practical Examination for an Accredited Materials Engineer I to qualify as Materials Engineer II?

    <p>75%</p> Signup and view all the answers

    What is the consequence for an Accredited Materials Engineer I who fails to upgrade to Materials Engineer II after two successive attempts?

    <p>They will be barred from taking the exam for one year.</p> Signup and view all the answers

    What is the assignment limit for a Materials Engineer I on a single project?

    <p>One project costing not more than P150M.</p> Signup and view all the answers

    How many projects can a Materials Engineer II be assigned if the aggregate cost does not exceed P300M?

    <p>Two projects.</p> Signup and view all the answers

    What requirement must an accredited Contractors’/Consultants’ Materials Engineer fulfill to gain accreditation as a DPWH Materials Engineer?

    <p>They must pass both a written and practical examination.</p> Signup and view all the answers

    What happens to DPWH engineers who score 60% or above but are separated from government service?

    <p>They can be accredited as Contractors’/Consultants’ Materials Engineers I without further examinations.</p> Signup and view all the answers

    How many projects with an aggregate cost of not more than P200M can a Materials Engineer I be assigned?

    <p>Three projects.</p> Signup and view all the answers

    What is a requirement for an accredited Materials Engineer to be automatically conferred the rank of Materials Engineer II?

    <p>Undergo a practical examination.</p> Signup and view all the answers

    Study Notes

    Course Goals and Importance

    • Course aims to train students in standard testing procedures for common construction materials.
    • Prepares students for the DPWH-BRS Materials Engineering examination, crucial for civil engineers in construction.
    • Emphasizes testing materials (cement, sand, gravel, concrete, masonry, steel, wood) to assess physical and mechanical properties.
    • Highlights importance of material testing to identify potential construction issues and ensure safety.

    Construction Classifications in the Philippines

    • Reinforced Concrete: Most commonly used due to cost-effectiveness; combines concrete with steel reinforcing bars.
    • Structural Steel: Preferred for large warehouses and factories; includes hot-rolled steel like I beams and C Channels.
    • Masonry: Typically used for bungalows; vulnerable to lateral forces, often considered non-engineered.
    • Wood: Cost varies by type; safer against earthquakes but weaker in high winds; requires pre-use testing.

    Standards and Specifications

    • Materials testing is regulated by ASTM standards, widely adopted in the Philippines, with over 12,800 standards available in English and SI units.
    • DPWH-BRS provides standard specifications for construction materials in public works projects.
    • Usage of sub-standard materials is legally punishable.

    Testing Standards and Methods

    • Relevant ASTM standards include procedures for determining particle size, moisture content, and density for aggregates.
    • Other key tests assess compressive strength of concrete and masonry specimens, ensuring material integrity and performance.

    Safety and Laboratory Protocols

    • Prioritizes safety; unnecessary tasks in the lab are prohibited, and proper equipment handling is mandated.
    • First aid kits are available, and lab supervision is required when operating specific equipment like UTM and ovens.
    • Cleanliness is essential; all equipment must be cleaned after use.

    Accreditation and Examination for Materials Engineers

    • Minimum requirement for accreditation: must be a registered and licensed Civil Engineer.
    • Written examination grading converts raw scores to a percentage; Practical examinations assess real-world testing capabilities.
    • Limits on assignments based on engineer classification (I or II) ensure manageable project oversight.

    Project Assignment Limits for Engineers

    • Materials Engineer I: Can oversee one project ≤ P150M, two projects ≤ P250M, or three projects ≤ P200M.
    • Materials Engineer II: Can manage one project without cost limit or two projects ≤ P300M, or three projects ≤ P250M.

    Key Regulations and Updates

    • Department Order No. 098 Series of 2016 mandates adherence to DPWH specifications for all relevant infrastructure projects.
    • DPWH guidelines prevent government engineers from engaging as private consultants while employed.

    Conclusion

    • Knowledge of testing standards, materials classifications, safety protocols, and accreditation criteria is vital for aspiring civil engineers in the construction industry.

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    Description

    This quiz covers the basics of standard testing procedures for common construction materials as outlined in Module 1. It aims to prepare students for the DPWH-BRS Materials Engineering examination, an essential credential for professional civil engineers in the construction industry.

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