Building Technology 3 Division 3 Concrete
The type of concrete you use varies with the purpose of the building and if not used correctly can lead to collapse of the building. Have you just covered division 3 on concrete under the building technology 3 class? Take up the test below and see how much of it you understand so far.
- 1.Oclassifies Inorganic soils for suitability as subgrade materials in terms of good drainage and bearing capacity.
- A.
ANSI SOIL CLASSIFICATION SYSTEM
- B.
AASHTO SOIL CLASSIFICATION SYSTEM
- C.
ASTM SOIL CLASSIFICATION SYSTEM
- 2.The moisture content at which a soil changes from the liquid state to theplastic state, measured when soil in a shallow dish flows to close a 12.5 mm groove after25 drops from 1 cm.
- A.
Liquid Limit (LL)
- B.
Plastic Limit (PL)
- C.
Plasticity Index (PI)
- 3.Ncrthe water content at which a silt or clay material will just begin to crumble when rolled into a tread approx 3.2mm (1/8 inch) in diameter.
- A.
Liquid Limit (LL)
- B.
Plastic Limit (PL)
- C.
Plasticity Index (PI)
- 4.Is defined as the Liquid Limit minus the Plastic Limit: LL – PL = PI, that is the range of water content over which sediment behaves.
- A.
Liquid Limit (LL)
- B.
Plastic Limit (PL)
- C.
Plasticity Index (PI)
- 5.Are tests performed on soils passing the No.40 sieve
- A.
Plasticity Index (PI)
- B.
ATTERBERG LIMITS
- C.
Plastic Limit (PL)
- D.
Liquid Limit (LL)
- 6.Soil, crushed stone, and sand used to raisean existing grade, or as a man-made-deposit, generallyused under spread footings, pavers, or concrete slabs ongrade.
- A.
CLAY MATERIALS
- B.
SOIL MATERIALS
- C.
FILL MATERIALS
- D.
SMOOTH MATERIALS
- E.
Granular Fill or Filters
- 7.Esoil materials conforming to above General Fill requirements and to ASTM C 33, size 67, with a sand equivalent of not < than 50%, used to prevent the movement of fine particles out of soils and other natural materials through seepage.
- A.
Granular Fill or Filters
- B.
FILL MATERIALS
- C.
SMOOTH MATERIALS
- D.
CLAY MATERIALS
- E.
Borrow Fill
- 8.Soil materials suitable as fill or subgrade, selected laboratory-approved pit-run gravel, disintegrated granite, sand, shale, cinders or other similar materials with not more than 35% fraction passing the No. 200 sieve.
- A.
Borrow Fill
- B.
Granular Fill or Filters
- C.
Base Course Materials
- 9.Are hard durable fragments of stone and a filler of sand or othrfinely divided mineral matter, free from vegetable matter and lumps of clay, complying with the following AASHTO METHODS T-11 and T-26 Grading Requirements
- A.
Base Course Materials
- B.
Granular Fill or Filters
- C.
Borrow Fill
- 10.Construction materials consisting of synthetic components made for use with or within earth materials generally
- A.
GEOSYNTHETICS
- B.
GEOPLASTICIZED
- C.
GEOMORPHOLOGY
- 11.The most common geosynthetics, consist of woven or nonwoven fabric made from polymeric materials such as polyester or polypropylene
- A.
Geocomposites
- B.
Geomembranes
- C.
Geotextiles
- 12.Tcontinuous polymeric sheets that are impermeable; the most frequently used for ground applications and pond lining are thermoplastic products manufactured from high-density polyethylene (HDPE) and polyvinyl chloride (PVC)
- A.
Geomembranes
- B.
Geotextiles
- C.
Geocomposites
- 13.A combination of geosynthetic components, usually sheet or edge drainsconsisting of a prefabricated core to which a geotextile filter is bonded. The core provides void space to which water can flow in-plane while the geotextile filter keeps soil from filling the voids created by the core.
- A.
Geomembranes
- B.
Geocomposites
- C.
Geotextiles
- 14.Consist of a continuous extrusion of polymeric ribs, forming void space throughwhich provide in-plane flow capacity; available with or without bonded geotextile filters.Geonets with bonded geotextile filters are sometimes called composite drainage nets (CDNs).
- A.
Geotextiles
- B.
Geonets
- C.
Geomembranes
- 15.Three-dimensional prefabricated polymeric systems ranging from 100mm to200mm high. The geocell systems are collapsed for delivery to the site, spread open andfilled to form a three-dimensional reinforced mattress upon arrival at a site. Originallydeveloped to rapidly stabilize soft subgrades for mobilization of large equipment, they are nowfrequently used for protection and stabilization of steep slope surfaces and protective liningsfor channels.
- A.
Geocells
- B.
Geonets
- C.
Geomembranes
- 16.Physical barrier thatprevents termites from accessing thewood in a home. There are a variety ofmethods.
- A.
Chemical Barriers:
- B.
Physical Barriers
- C.
Bait System:
- 17.A layer of sand with uniform sizeparticles, area must be large enough toprevent the termite from moving throughit or prevents its use in "tunnel" construction.
- A.
Termite Resistant Sand
- B.
Termite Mesh
- C.
Vertical barriers
- 18.Steel mesh product that is fine enough to keep even tiny termites from passing through it.Termite Mesh is used in slab construction, also used to wrap pipes and other accessareas.
- A.
Vertical barriers
- B.
Termite Resistant Sand
- C.
Termite Mesh
- 19.The objective is to establish a continuous termiticide barrier betweensoil access routes and the structure, either killing or repeling subterranean termites thatattempt to reach the structure. A termiticide is a type of chemical used to control termites.
- A.
Chemical Barriers:
- B.
Physical Barriers
- C.
Bait System:
- 20.Almost always applied during construction to the soil and foundation; or the use of termiteresistant building products, from drywall to floor joists treated with borates before use inhome construction.
- A.
Pre-construction chemical barriers
- B.
Vertical barriers
- C.
Horizontal barriers
- 21.Applied by rodding or trenching around the base of foundations,plumbing, utility entrances, expansion joints, and where twoslabs will join, applying 4 gallons of termiticide per 10 linearfeet; each foot of depth should receive 4 gallons per 10 linearfeet; for trenches no wider than 6 inches, apply termiticide tothe trench, and mix with backfill. Hollow block voids offoundations should also be treated with 4 gallons of termiticideper 10 linear feet.
- A.
Pre-construction chemical barriers
- B.
Vertical barriers
- C.
Horizontal barriers
- 22.EApplying one gallon of termiticide per 10 square feet, usually by coarse spray at lowpressure. All termite treatments to slab construction should include horizontal barriers,which are relatively easy to apply.
- A.
Pre-construction chemical barriers
- B.
Vertical barriers
- C.
Horizontal barriers
- 23.Involves drilling through the slab floor and injecting termiticides into the soil atregular intervals.
- A.
Slab treatment
- B.
Basements and Crawl Spaces
- C.
Vertical barriers
- 24.Trenches are dug around the foundation, termiticide applied and the trench filled back in. Chemicals may also be injected into the soil in the crawl space/basement and around the foundation.
- A.
Basements and Crawl Spaces
- B.
Vertical barriers
- C.
Slab treatment
- 25.The objective is to continuously attract the termite workers to forage on aslow-acting insect-growth regulator (IGR) called hexaflumuron to eliminate the entireworkers population and the entire colony. The system employs baits and monitoringdevices installed where evidence of infestation is found
- A.
Bait System:
- B.
Vertical barriers
- C.
Horizontal Barriers
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