Podcast
Questions and Answers
Which of the following materials is NOT listed under subgrade and base course materials?
Which of the following materials is NOT listed under subgrade and base course materials?
- Borrow Material
- Gabion (correct)
- Choker Aggregate
- Base Course
What is the percentage range of weight passing through a No. 4 sieve for Type 'B' Base Course?
What is the percentage range of weight passing through a No. 4 sieve for Type 'B' Base Course?
- 100
- 20 - 45 (correct)
- 85 - 100
- 5 - 12
Which termite proofing method uses a physical barrier?
Which termite proofing method uses a physical barrier?
- Chemical Barrier
- Moisture Barrier
- Physical Barrier (correct)
- Bait System
What is the primary purpose of riprap in construction?
What is the primary purpose of riprap in construction?
What is the upper limit of weight passing for Choker Aggregate in Type 'B' Base Course?
What is the upper limit of weight passing for Choker Aggregate in Type 'B' Base Course?
What is the correct weight passing percentage for the No. 200 sieve in the Type 'B' Base Course?
What is the correct weight passing percentage for the No. 200 sieve in the Type 'B' Base Course?
In the context of grading requirements, what is a common application of geosynthetics?
In the context of grading requirements, what is a common application of geosynthetics?
Which of the following types of surfacing is NOT specified in the grading requirements?
Which of the following types of surfacing is NOT specified in the grading requirements?
What factors influence the resistance of riprap to displacement in water?
What factors influence the resistance of riprap to displacement in water?
What type of materials are classified as Borrow Fill?
What type of materials are classified as Borrow Fill?
Which termite proofing method utilizes wire mesh for support?
Which termite proofing method utilizes wire mesh for support?
What is the primary material used in bituminous surfacing?
What is the primary material used in bituminous surfacing?
Which method is NOT included in the termite proofing options?
Which method is NOT included in the termite proofing options?
What is a characteristic of Base Course Materials?
What is a characteristic of Base Course Materials?
Which of the following is NOT a type of termite proofing?
Which of the following is NOT a type of termite proofing?
Which of the following is NOT classified as paving and surfacing material?
Which of the following is NOT classified as paving and surfacing material?
What defines the choker aggregate in subgrade and base course materials?
What defines the choker aggregate in subgrade and base course materials?
Which barrier option uses a chemical approach for termite control?
Which barrier option uses a chemical approach for termite control?
Which type of surfacing uses cement as its primary binding agent?
Which type of surfacing uses cement as its primary binding agent?
In what applications is gabion used?
In what applications is gabion used?
What is the purpose of the Choker Aggregate?
What is the purpose of the Choker Aggregate?
What is the primary purpose of using erosion control materials?
What is the primary purpose of using erosion control materials?
What is defined as materials that help prevent erosion?
What is defined as materials that help prevent erosion?
What does the term 'Geosynthetics' refer to in the context of earthworks?
What does the term 'Geosynthetics' refer to in the context of earthworks?
What type of material is classified under the subgrade and base course materials?
What type of material is classified under the subgrade and base course materials?
Which system is NOT a method of termite proofing?
Which system is NOT a method of termite proofing?
What is the primary function of geotextiles in erosion control?
What is the primary function of geotextiles in erosion control?
Which statement correctly describes riprap?
Which statement correctly describes riprap?
Which of the following describes a feature of gabions?
Which of the following describes a feature of gabions?
What is the purpose of a bait system in termite proofing?
What is the purpose of a bait system in termite proofing?
Which materials fall under the category of paving and surfacing?
Which materials fall under the category of paving and surfacing?
Which option represents a characteristic of a chemical barrier in termite control?
Which option represents a characteristic of a chemical barrier in termite control?
What is the main function of geonets in construction?
What is the main function of geonets in construction?
Which of the following defines geocells?
Which of the following defines geocells?
What does a chemical barrier in termite proofing aim to do?
What does a chemical barrier in termite proofing aim to do?
Which material is NOT mentioned as part of the subgrade and base course materials?
Which material is NOT mentioned as part of the subgrade and base course materials?
What are composite drainage nets (CDNs) characterized by?
What are composite drainage nets (CDNs) characterized by?
Which term refers to the materials used above the subgrade in paving applications?
Which term refers to the materials used above the subgrade in paving applications?
In the context of erosion control, what is the primary feature of geosynthetics?
In the context of erosion control, what is the primary feature of geosynthetics?
What does a physical barrier in termite proofing do?
What does a physical barrier in termite proofing do?
Study Notes
Earthworks (1.0)
- Acronyms (1.01) are listed but not defined.
- Definitions and Standard Tests (1.02) are referenced, details needed from external source.
- Riprap (1.03): A constructed layer of stone to prevent erosion, scour, or sloughing; resistance depends on stone weight, size, shape, channel geometry, and filter blanket.
- Gabion System (1.04): Wire-enclosed riprap; consists of wire mesh baskets filled with small riprap, anchored to slopes.
- Geosynthetics (1.05): Include geotextiles (filtration, erosion control, sediment control – silt fences), geonets (continuous polymeric ribs for in-plane flow, with or without bonded geotextile filters, sometimes called composite drainage nets (CDNs)), and geocells (3D prefabricated polymeric systems, 100-200mm high, collapsed for delivery, then spread and filled).
- Erosion Control Materials (1.06) are mentioned but specifics are missing.
- Local Borrow Fill materials: ESCOMBRO costs ₱5,000 per 15-16 cubic meters. ESCOMBRO – BULIK (for Riprap) is also mentioned.
Termite/Bukbok Proofing (2.01)
- Physical barriers
- Chemical barriers
- Bait systems
Roads & Parking (3.0)
- Subgrade and Base Course Materials (3.01):
- Borrow Material
- Base Course: Hard, durable stone fragments with sand or other filler; meets AASHTO methods T-11 and T-26 grading requirements (sieve designations and percent weight passing specified).
- Choker Aggregate
- Paving and Surfacing (3.02):
- Concrete
- Bituminous Surfacing
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Description
Explore the essential concepts and materials related to earthworks, including definitions of acronyms and detailed descriptions of riprap, gabion systems, and geosynthetics. This quiz delves into erosion control measures, emphasizing the importance of various construction materials and their applications. Perfect for students keen on understanding civil engineering principles.
