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ALE!!! > VISUAL DICTIONARY VI > Flashcards

VISUAL DICTIONARY VI Flashcards

1
Q

What is an artificial, stonelike bldg material made by mixing cement and various mineral aggregates with sufficient water to cause the cement to set and bind the entire masss?

A

CONCRETE

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2
Q

What is a naturally occuring clay limestone that when calcined and finely pulverized, produces a hydraulic cement?

A

NATURAL CEMENT

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3
Q

What is a siliceous material, such as fly ash, that reacts chemically with slaked lime in the presence of moisture to form a slow hardening cement, named after a natural cement from Pozzuoli, an ancient Roman town near Vesuvius?

A

POZZOLAN
POZZOLONA
POZZUOLANA

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4
Q

A term refering to containing silica or silicate

A

SILICEOUS

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5
Q

what is a fine particle of ash recovered from the waste gases of a solid-fuel furnace?

A

FLY ASH

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6
Q

What is a calcined mixture of clay and Iimestone, finely pulverized and used as an ingredient in concrete and mortar?

A

CEMENT

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7
Q

What compound constitutes about half the volume of portland cement and responsible for the hardening or early gain in of strength of the cement?

A

TRICALCIUM SILICATE

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8
Q

What compound constitutes about one-quarter of the volume of portland cement and responsible for the aging or long-term gain in strength of the cement?

A

DICALCIUM SILICATE

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9
Q

What compound constitutes about one-tenth of the volume of Portland cement and responsible for the initial setting of the cement?

A

TRICALCIUM ALUMINATE

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10
Q

What hydraulic cement is made by burning a mixture of clay and limestone in a rotary kiln and pulverizing the resulting clinker into a very fine powder, named for its resemblance to a limestone quarried on the Isle of Portland, England?

A

PORTLAND CEMENT

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11
Q

Refers to a cement capable of setting and hardening by a reaction with water

A

HYDRAULIC CEMENT

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12
Q

What type of Portland cement is used for general construction having none of the distinguishing qualities of the other types?

A

TYPE I: NORMAL

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13
Q

What type of Portland cement has a reduced content of tricalcium aluminate making it more resistant to sulfates and causing it to generate less heat of hydration, used in general construction where resistance to moderate sulfate action is required or where heat buildup can be damaging, as in the construction of large piers and heavy retaining wall?

A

TYPE II: MODERATE

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14
Q

What type of Portland cement has an increased content of tricalcium silicate causing it to cure faster and gain strength earlier than normal Portland cement, used when the early removal of formwork is desired or in cold weather construction to reduce the time required for protection from low temperatures?

A

TYPE III: HIGH EARLY STRENGTH

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15
Q

What type of Portland cement has a reduced content of tricalcium silicate and an increased content of dicalcium silicate causing it to generate less heat of hydration than normal Portland cement, used in the construction of massive concrete structures such as gravity dams where a large buildup in heat can be damaging?

A

TYPE IV: LOW HEAT

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16
Q

What type of Portland cement has a reduced content of tricalcium aluminate lessening the need for gypsum, a sulfate normally added to cement to retard its setting time, used where resistance to severe sulfate action is required ?

A

TYPE V: SULFATE RESISTING

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17
Q

What type of Portland cement to which a small quantity of an air in training agent has been underground during manufacture designated by the suffix A: Type IA, Type llA, or Type IIIA?

A

AIR-ENTRAINING PORTLAND CEMENT

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18
Q

What type of Portland cement is produced from raw materials low in iron oxide and manganese oxide, the substances that give concrete its gray color, used in precast concrete work and in the making of terrazzo stucco and tile grout?

A

WHITE PORTLAND CEMENT

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19
Q

What do you call the expansive reaction occurring when the cement matrix of concrete or mortar comes in contact with sulfates dissolved in groundwater or in soil?

A

SULFATE ACTION

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20
Q

What is the water used in a concrete or mortar mix exclusive of any absorbed by the aggregate and free of such harmful substances as organic material clay and salts, fit for drinking is generally acceptable?

A

MIXING WATER

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21
Q

What is the mixture of cement and water for coating setting and binding the aggregate particles together in a concrete or mortar mix?

A

CEMENT PASTE

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22
Q

What is any various hard, inert, mineral materials such as sand and gravel added to a cement base to make concrete or mortar?

A

AGGREGATE

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23
Q

What type of aggregate consists of sand having a particle size smaller than 1/4 in?

A

FINE AGGREGATE

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24
Q

What type of aggregate consists of crushed stone gravel or blast furnace slag having a particle size larger than 1/4 in?

A

COARSE AGGREGATE

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25
Q

What aggregate has a particle-size distribution characterized by uniform grading and requires the least amount of cement base to fill the voids and surround the particles?

A

GRADED AGGREGATE

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26
Q

What is a substance other than cement, water, or aggregate added to a concrete or mortar mix to alter its properties or those of the hardened product?

A

ADMIXTURE

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27
Q

What is an admixture that disperses entrained air in a concrete or mortar mix to increase workability improve resistance of the cured product to the cracking induced by free thaw cycles or the scaling caused by deicing chemicals and in larger amounts to produce lightweight insulating concrete?

A

AIR-ENTRAINING AGENT

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28
Q

What is an admixture that hastens the setting and strength development of a concrete, mortar or plaster mix?

A

ACCELERATOR

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29
Q

What is an admixture that slows the setting of a concrete, mortar, or plaster mix in order to allow more time for placing and working the mix?

A

RETARDER

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30
Q

What is an ad mixture for reducing the surface tension of the mixing water in a concrete mix thereby facilitating the wetting and penetrating action of the water or aiding in the emulsifying and dispersion of other additives in the mix?

A

SURFACE-ACTIVE AGENT
SURFACTANT

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31
Q

What is an admixture for reducing the amount of mixing water required for the desired workability of a concrete or mortar mix, lowering the water-cement ratio in this manner generally results in increased strength?

A

WATER-REDUCING AGENT
SUPERPLASTICIZERS

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32
Q

What is the pigment or dye added to a concrete mix to alter or control its color?

A

COLORING AGENT

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33
Q

What is a strong lightweight aggregate obtained by the exfoliation of clay or shale?

A

EXPANDED SHALE/CLAY

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34
Q

What is a strong lightweight aggregate obtained by the exfoliation of slate?

A

EXPANDED SLATE

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35
Q

Refers to the splitting or swelling of certain minerals into a scaly aggregate when heated?

A

EXFOLIATION

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36
Q

What is a volcanic glass expanded by heat to form lightweight, spherical particles used as non-structural lightweight aggregate and as loose-fill thermal insulation?

A

PEARLITE/PERLITE

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37
Q

What is mica expanded by heat into very light, warm-like threads used as non-structural lightweight aggregate and as loose fill thermal insulation?

A

VERMICULITE

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38
Q

What is concrete made with aggregate of low specific gravity and weighing less than normal concrete which has a unit weight of about 150 pcf (2,400 kg/m3)

A

LIGHTWEIGHT CONCRETE

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39
Q

What is a concrete made with strong lightweight aggregate such as expanded shale Forest lake having a unit weight from 85 to 115 pcf (1362 to 1840 kg/m3) and compressive strength comparable to that of normal concrete?

A

STRUCTURAL LIGHTWEIGHT CONCRETE

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40
Q

What is the lightweight concrete having a unit weight of less than 60 pcf (960 kg/m3) and low thermal conductivity made with lightweight aggregate such as perlite or with a foaming agent or gas-forming chemical that infuses the mix with a homogeneous cellular structure?

A

INSULATING CONCRETE

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41
Q

What is a law postulating that with given concrete materials, curing, and testing conditions the compressive strength of concrete is inversely proportional to the ratio of water to cement?

A

ABRAM’S LAW

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42
Q

How much is the quantity of cement per unit volume of concrete or more time mix?

A

7%-15%

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43
Q

How much is a quantity of water per unit volume of concrete on mortar mix?

A

16%-21%

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44
Q

How much is the quantity of air in a concrete or mortar mix?

A

1%-3%

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45
Q

How much is the quantity of fine aggregate in a concrete or mortar mix?

A

25%-30%

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46
Q

How much is the quantity of course aggregate in a concrete or mortar mix?

A

31%-51%

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47
Q

What is the method for determining the consistency and workability of freshly mixed concrete by measuring the slump of a test specimen?

A

SLUMP TEST

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48
Q

What is a measure of the consistency and workability of freshly mixed concrete expressed as the vertical settling in inches of a specimen after it has been placed in a slump cone, tamped in a prescribed manner, and the cone is lifted?

A

SLUMP

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49
Q

What is a concrete or mortar mix that flows sluggishly without segregating and is readily molded?

A

PLASTIC MIX

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50
Q

What is a concrete or mortar mix containing little water or too much aggregate in relation to the other components and having little or no slump?

A

DRY MIX
STIFF MIX

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51
Q

What is a concrete or mortar mix having a relatively high water content and runny consistency yielding a product that is low in strength, durability, and water tightness?

A

WET MIX

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52
Q

What is an open-ended truncated cone of sheet metal 12 in (305 mm) high with a base diameter of 8 in (203 mm) and the top diameter of 4 in (102 mm) used to mold a specimen of freshly mixed concrete for the slump test?

A

SLUMP CONE

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53
Q

What is the test for determining the compressive strength of a concrete batch using a hydraulic press to measure the maximum load a test cylinder can support in axial compression before fracturing?

A

COMPRESSION TEST

54
Q

What is a cylinder of concrete 6 in (152mm) in diameter and 12 in (305 mm) high cast from a representative batch and cured in a laboratory or in the field under controlled conditions?

A

TEST CYLINDER

55
Q

What is a compression test of a cylinder cut from a hardened concrete structure usually by means of a core drill?

A

CORE TEST

56
Q

What is a temporary structure required to support newly placed concrete including the forms and all necessary supporting members, bracing, and hardware?

A

FORMWORK

57
Q

What is boarding or sheeting of wood, metal, plastic, or fiberglass for containing and giving a desired shape to newly placed concrete until it sets and gains sufficient strength to be self-supporting?

A

FORM

58
Q

What is a material for lining the inside phase of a form especially selected to impart a smooth or pattern finish to the concrete surface?

A

FORM LINER

59
Q

Refers to any of various materials such as oil or silicon for preventing the bonding of concrete to a surface

A

RELEASE AGENT
PARTING COMPOUND

60
Q

What is a partition closing the end of a form or preventing the passage of newly placed concrete at a construction joint?

A

BULKHEAD

61
Q

What is a longitudinal groove or channel formed in a concrete footing or other member that has set providing a she resisting key for newly placed concrete?

A

KEYWAY

62
Q

What is a clamping device for keeping column forms or the tops of wall forms from spreading under the fluid pressure of newly placed concrete?

A

YOKE

63
Q

What is a brace usually of wood for spacing and keeping wall or footing forms apart?

A

SPREADER
SPACER

64
Q

What is a horizontal timber or still beam for reinforcing various vertical members as in form work or sheet piling or for retaining earth at the edge of an embankment?

A

WALER
BREAST TIMBER
RANGER
WALE

65
Q

What is a vertical support for aligning and reinforcing walers?

A

STRONGBACK/STIFFBACK

66
Q

What is a strip of wood or other material attached to a form to produce a smooth, rounded or beveled edge on the outside corner of a concrete member?

A

CHAMFER STRIP

67
Q

What is a strip of wood or other material attached to the inside face of a form to produce a groove in the surface of a concrete member?

A

RUSTICATION STRIP

68
Q

What is a wood strip fixed to the inside face of a form to indicate the top of a concrete lift?

A

GRADE STRIP

69
Q

What is any of a variety of slotted devices for tightening formwork and transferring the force in a form tie to the walers?

A

WEDGE

70
Q

what is a trademark for a brand of cylindrical column form made of impressed, resin-impregnated paper?

A

SONOTUBE

71
Q

What is a device for supporting and holding steel reinforcement in proper position before and during the placing of concrete?

A

CHAIR

72
Q

What is a tall chair for supporting top bars in a concrete beam or slab?

A

HIGH CHAIR

73
Q

What is a wide chair for supporting and spacing bottom bars in a concrete beam or slab?

A

BOLSTER

74
Q

What is a metal tie for keeping wall forms from spreading under the fluid pressure of newly placed concrete?

A

FORM TIE

75
Q

What is a form tie having notches or crimps, which allow its bends to be snapped off below the concrete surface after stripping of the forms?

A

SNAP TIE

76
Q

What is a form tie having cones at each end inside the forms, which allow it to also serve as a spreader?

A

CONE BOLT

77
Q

What is a small, truncated cone of wood, steel, or plastic attached to a form tie to space and spread wall forms, leaving a neatly finished depression in the concrete surface to be filled or left exposed?

A

CONE

78
Q

What is a form tie consisting of waler rods that are inserted through the form and threaded onto the ends of an inner rod; after stripping, the waler rods are removed while the inner rod remains in the concrete?

A

SHE BOLT

79
Q

What is a form that can be raised vertically for succeeding lifts of concrete during the construction of a multistory building?

A

CLIMBING FORM

80
Q

What is the height of a quantity of concrete placed in a form at one time?

A

LIFT

81
Q

What is a form that can be moved slowly and continuously as concrete is being placed during the construction of a concrete pavement or bldg?

A

SLIP FORM

82
Q

What is a large form that can be moved by a crane, used in constructing the concrete floors and roofs of multistory bldgs?

A

FLYING FORM

83
Q

What is a concrete deposited, formed, and cured, and finished in its final position as part of a structure?

A

CAST-IN-PLACE CONCRETE
CAST-IN-SITU-CONCRETE

84
Q

What is the period from first contact between mixing water and cement to completion of discharge of the freshly mixed concrete from a truck mixer?

A

TIME OF HALL

85
Q

What is the process of depositing and consolidating freshly mixed concrete in a form or in the final position where it is to harden?

A

PLACEMENT

86
Q

What is a truck equipped with a rotating drum to prevent segregation or loss of plasticity of the ready-mixed concrete being delivered to a construction site?

A

AGITATOR TRUCK

87
Q

What is a truck equipped with a rotating drum and a separate water tank for mixing concrete en route to a construction site?

A

TRUCK MIXER

88
Q

What concrete is mixed at a batch plant for delivery by an agitator truck to a construction site?

A

READY-MIXED CONCRETE

89
Q

What concrete is partially mixed at a batch plant and then mixed more completely in a truck mixer en route to a construction site?

A

SHRINK-MIXED CONCRETE

90
Q

What concrete is dry batched at a batch plant and mixed in a truck mixer en route to a construction site?

A

TRANSIT-MIXED CONCRETE

91
Q

What machine has a revolving drum, often motor-driven, for mixing cement, aggregate, and water to produce concrete?

A

CONCRETE MIXER

92
Q

What do you call the discharging of freshly mixed concrete directly into a form from a concrete directly into a form from a concrete mixer, buggy, or crane bucket?

A

DIRECT PLACEMENT

93
Q

What is a cart, often motor-driven, for transporting heavy materials, such as freshly mixed concrete, for short distances at a construction site?

A

BUGGY

94
Q

What do you call the descent for freshly mixed concrete into a form without the aid of a drop chute?

A

FREE FALL

95
Q

What is a chute for containing and directing a falling stream of freshly mixed concrete so as not to cause segregation?

A

DROP CHUTE

96
Q

What is an inclined trough or tube for conveying free-flowing materials to a lower level by gravity?

A

CHUTE

97
Q

What is the process of eliminating voids other than entrained air within newly placed concrete and ensuring close contact of the concrete with form surfaces and embedded reinforcement?

A

CONSOLIDATION

98
Q

What do you call the consolidation of newly placed concrete by the repeated insertions and withdrawals of a flat spadelike tool?

A

SPADING

99
Q

What do you call the consolidation of newly placed concrete by the repeated insertions and withdrawals of a rod?

A

RODDING

100
Q

What do you call the consolidation of newly placed concrete by the moderately high-frequency oscillations of a vibrator?

A

VIBRATION

101
Q

What is an electric or pneumatic oscillating tool for agitating and consolidating newly placed concrete?

A

VIBRATOR

102
Q

what do you call the separation of coarse aggregate from the mortar of water from the other ingredients of freshly mixed concrete, resulting from excessive horizontal movement or free fall of the mix, or from overvibration after placement?

A

SEGREGATION

103
Q

What do you call the separation of an excessively wet or overvibrated concrete mix into horizontal, with increasingly lighter material migrating toward the top?

A

STRATIFICATION

104
Q

What do you call the emergence of excess mixing water on the surface of newly placed concrete, caused by settlement of solids within the mass?

A

BLEEDING
WATER GAIN

105
Q

What do you call a milky deposit containing cement and aggregate fines on the surface of new concrete I caused by the bleeding of excess mixing water, overworking of the mix, or improper finishing?

A

LAITANCE

106
Q

What is the process of leveling, smoothing, compacting, and treating a newly placed to concrete surface to produce the desired texture and appearance?

A

FINISHING

107
Q

What is a wooden or metal straightedge drawn over a newly placed concrete slab to bring it to proper level?

A

SCREED

108
Q

What is a long wooden or metal straightedge for smoothing a fresh concrete surface immediately after screeding?

A

DARBY

109
Q

What is a flat tool for spreading and smoothing a fresh concrete, stucco, or plaster surface?

A

FLOAT

110
Q

What is a float having a large, flat blade attached to a long handle?

A

BULL FLOAT

111
Q

What is an exposed concrete work requiring special care in the selection of materials, forming, placing, and finishing to acquire the desired appearance?

A

ARCHITECTURAL CONCRETE

112
Q

What is concrete left in its natural state after formwork is removed, esp. when the concrete surface reflects the texture, joints, and fasteners of a board form?

A

BÉTON BRUT

113
Q

What is a colored finish produced by sprinkling a dry mixture of cement, sand, and pigment on a fresh concrete surface following screeding and after any free water has evaporated, and then working the mixture into the surface with a float?

A

DRY-SHAKE FINISH

114
Q

What is a striated finish obtained by stroking a broom or stiff brush over a freshly troweled concrete surface?

A

BROOM FINISH

115
Q

What is a decorative finish produced by sandblasting, etching with an acid, or scrubbing a concrete surface after the initial set in order to remove the outer layer of cement paste and expose the aggregate?

A

EXPOSED AGGREGATE FINISH

116
Q

What is a textured finish given to a fresh plaster or concrete surface by troweling with a circular, overlapping motion?

A

SWIRL FINISH

117
Q

what is a coarse-textured finish obtained by fracturing a concrete or stone surface with a power-driven hammer having a rectangular head with a corrugated, serrated, or toothed face?

A

BUSHHAMMERED FINISH

118
Q

What is a dense, smooth finish obtained by working a fresh concrete or plaster surface with a steel trowel?

A

TROWEL FINISH

119
Q

what is a fine-textured finish obtained by smoothing a fresh concrete, plaster, or studio surface with a wood float?

A

FLOAT FINISH

120
Q

What is a flat-bladed hand tool for applying, spreading, working, or smoothing plastic material, such as concrete, mortar, and plaster?

A

TROWEL

121
Q

What is a portable machine having steel trowels mounted on radial arms that rotate about a vertical shaft to smooth, compact, and finish a fresh concrete surface?

A

POWER TROWEL

122
Q

What is a trowel having a long, curved lip for rounding the edges of a fresh concrete slab as it begins to set?

A

EDGER

123
Q

What is a wheel-mounted, rotary power saw equipped with a silicon-carbide or diamond blade for cutting a control joint in a hardened concrete slab?

A

PAVEMENT SAW

124
Q

A term used to refer to the assumption of a rigid or hard state by concrete, mortar, plaster, or glue due to a physical on chemical change

A

SET

125
Q

A term used to refer to maintaining newly placed concrete or mortar at the required temperature and humidity for the first seven days following placement, casting, or finishing to ensure satisfactory on hydration of the cementitious materials and proper hardening

A

CURE

126
Q

What do you call the heat generated by the process of hydration as during the setting and curing of a concrete mix?

A

HEAT OF HYDRATION

127
Q

What is the process in which a substance combines chemically with water as that occuring when cement is mixed with water?

A

HYDRATION

128
Q

What are the voids on a formed concrete surface, caused by segregation during placement or by insufficient consolidation?

A

HONEYCOMB

129
Q

What is the chipping or scaling of a hardened concrete or masonry surface caused by freeze-thaw cycles or the application of deicing salts?

A

SPALLING

130
Q

What are the numerous hairlike cracks occurring in the surface of a newly hardened concrete slab as a result of rapid drying shrinkage?

A

CRAZING

131
Q

what is a reduction in volume of concrete, mortar, or plaster caused by loss of moisture?

A

DRYING SHRINKAGE

132
Q

What is a reduction in volume of concrete prior to its final set, caused by hydration of the cement paste?

A

SETTING SHRINKAGE

ALE!!! (10 decks)

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