BLDG TECH 4: SITEWORKS Flashcards

(127 cards)

1
Q

The digging and removal of Earth from its natural position, or the cavity resulting from such removal

A

EXCAVATION

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2
Q

Excavation characterize as having independent and hollow block wall footing where the digging of the soil for the footing extend to a depth from 1.0m to 5.0 m and about 0.5 m of wall footing

A

MINOR EXCAVATION

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3
Q

An excavation which requires wide or total extraction of the soil

A

MAJOR EXCAVATION

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4
Q

The process of providing temporary supports to the structure or ground during excavation

A

SHORING

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5
Q

The process of rebuilding, strengthening or stabilizing the foundation of an existing building

A

UNDERPINNING

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6
Q

Consist of steel cables or tendons that are inserted into holes pre-drilled through the sheet piling and into the rock or a suitable stratum of soil, grouted under pressure to anchor them to the rock soil, and post-tensioned with a hydraulic jack

A

TIEBACK

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7
Q

Part of the foundation system which provides support for the superstructure above and enclose a basement or crawl space partly or wholly below grade

A

FOUNDATION WALL

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8
Q

A concrete wall cast in a trench to serve as sheeting and often used as a permanent foundation wall

A

SLURRY WALL

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9
Q

A method of foundation system protection applied to a foundation wall when a subsoil conditions indicate that hydrostatic pressure from the groundwater table will not occur

A

DAMPPROOFING

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10
Q

A system of temporary boarding, sheathing, or pans used to produce the desired shape and size of concrete mass

A

FORMWORKS

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11
Q

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

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12
Q

A system of temporary platform to support workers and materials on the face of a structure and to provide access to work areas above ground

A

SCAFFOLDING

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13
Q

Temporary bracing for supporting work under construction which cannot yet support itself

A

FALSEWORK

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14
Q

A temporary platform for workers and the materials that they use in building structures

A

STAGING

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15
Q

A piece of timber to support a wall, usually set in a diagonal or oblique position, to hold the wall in place temporarily

A

SHORE

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16
Q

A horizontal timber or steel beam for reinforcing various vertical members, as in formwork or sheet piling, or for retaining Earth at the edge of an embankment

A

WALE / BREAST TIMBER / WALER

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17
Q

Any of a variety of slotted devices for tightening formwork and transferring the force in a form tie to the wales

A

WEDGE

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18
Q

A vertical support for aligning and reinforcing wales

A

STRONGBACK / STIFFBACK

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19
Q

A brace, usually of wood, for spacing and keeping wall or footing forms apart

A

SPACER/SPREADER

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20
Q

A wood strip fixed to the inside face of a form to indicate the top of a concrete lift

A

GRADE STRIP

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21
Q

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

A

BULKHEAD

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22
Q

A longitudinal groove or channel formed in a concrete footing or other member that has set, providing a shear-resisting key for newly placed concrete

A

KEYWAY

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23
Q

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

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24
Q

Material for lining the inner face of a form, specially selected to impart a smooth or patterned finish to the concrete surface

A

FORMLINER

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25
A metal tie for keeping wall forms from spreading under the fluid pressure of newly placed concrete
FORM TIE
26
A form tit having notches or crimps which allow its ends to be snapped off below the concrete surface after sleeping of the forms
SNAP TIE
27
A form tie having cones at each end inside the forms which allow it to also serve as a spreader
CONE BOLT
28
A form the consisting of water rods which are inserted through the form and threaded onto the ends of an inner rod
SHE BOLT
29
A device for supporting and holding steel reinforcement in proper position before and during the placing of concrete
CHAIR
30
A tall chair for supporting top bars in a concrete beam or slab
HIGH CHAIR
31
A wide chair for supporting and spacing bottom bars in a concrete beam or slab
BOLSTER
32
the process of depositing and consolidating freshly mixed concrete in a form or in the final position where it is to harden
PLACEMENT
33
The discharging of freshly mixed concrete into a form from a mixer, buggy or crane
DIRECT PLACEMENT
34
the descent of freshly mixed concrete into a form without the aid of a drop chute
FREE FALL
35
A chute for containing and directing a falling stream of freshly mixed concrete so as not to cause a segregation
DROP CHUTE
36
the process of providing gentle motion in mixed concrete, just sufficient to prevent segregation or loss of plasticity
AGITATION
37
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
SEGREGATION
38
the separation of an excessively wet or overvibrated concrete mix into horizontal layers with increasingly lighter material migrating toward the top
STRATIFICATION
39
the emergence of excess water on the surface of newly placed concrete, caused by settlement of solids within the mass
BLEEDING / WATER GAIN
40
A milky deposit containing cement and aggregate fines on the surface of new concrete, caused by the bleeding of excess mixing water, overworking of the mix, an improper finishing
LAITANCE
41
Pumping on removal of water from construction site to maintain a relatively dry and stable condition during construction
DEWATERING
42
At what temperature should concrete maintain for at least 7 days after placement?
above 50°F (10°C)
43
For High Early Strength Concrete, at what temperature should concrete maintain for at least 3 days after placement?
above 50°F (10°C)
44
A structure whose primary function is to provide lateral support for soil for rock
RETAINING WALL
45
The lowest division of a building, its substructure, or other construction constructed partly or wholly below the surface of the ground, designed to support and anchor the superstructure above and transmit its load directly to the earth
FOUNDATION
46
That part of the structure that supports the weight of the structure and transmits the load to underlying soil or rock
FOUNDATION
47
Foundation system type which is employed when stable soil of adequate bearing capacity occurs relatively near to the ground surface, they are placed directly below the lowest part of the substructure and transfer building loads directly to the supporting soil by vertical pressure
SHALLOW FOUNDATION
48
Applies the knowledge of soil mechanics, rock mechanics, geology, and structural engineering to the design and construction of foundation for buildings and other structures
FOUNDATION ENGINEERING
49
50
Foundation system type employed when the soil underlying a foundation is unstable to transfer building loads to a more appropriate bearing stratum of rock or dense sand and gravel well below the superstructure
DEEP FOUNDATION
51
That part of the foundation bearing directly on the supporting soil, set below the natural grade line, and enlarge the distribute its load over a greater area
FOOTING
52
A reinforced concrete beam supporting a superstructure at or near a ground level and transferring the load to isolated footings, piers, or piles
TIE BEAM/GRADE BEAM
53
That part of a building or structure which is above the level of the adjoining ground or the level of the foundation
SUPERSTRUCTURE
54
The underlying structure forming the foundation of a building or other construction
SUBSTRUCTURE
55
The actual pressure developed between the footing and the supporting soil mass, equal to the quotient of the magnitude of the forces and the area of contact
SOIL PRESSURE/CONTACT PRESSURE
56
The horizontal component of resistance developed by a soil mass against the horizontal movement of a vertical structure through the soil usually occurring at the side of retaining walls between the walls and the surrounding soil
PASSIVE SOIL PRESSURE
57
The horizontal component of pressure that a soil mass exerts on a vertical retaining soil
ACTIVE SOIL PRESSURE
58
The maximum unit pressure a foundation is permitted to impose vertically or laterally on a supporting soil mass
ALLOWABLE BEARING PRESSURE/ALLOWABLE BEARING CAPACITY/ALLOWABLE SOIL PRESSURE
59
A layer of coarse granular materials placed and compacted on undisturbed soil prepared fill to prevent the capillary rise of moisture to a concrete ground slab
BASE COURSE
60
The gradual reduction in the volume of a soil mass resulting from the application of a sustained load and an increase in compressive stress
CONSOLIDATION
61
A reduction volume of a soil mass under the action of a sustained load, due chiefly to a squeezing out of water from the voids within the mass and a transfer of the load from the soil water to the soil solids
PRIMARY CONSOLIDATION/PRIMARY COMPRESSION
62
A reduction in volume of a soil mass under the action of a sustained load, due chiefly to adjustment of the internal structure of the soil mass after most of the load has been transferred from the soil water to soil solids
SECONDARY CONSOLIDATION
63
The gradual subsiding of the structure as the soil beneath its foundation consolidates under loading
SETTLEMENT
64
The relative movement of parts of a structure caused by uneven settlement underlying soil or failure of its foundation
DIFFERENTIAL SETTLEMENT
65
This method employs the use of an auger where a hole is bored on the ground for soil testing
AUGER BORING METHOD
66
This method employs the use of a piece of metal tube 50 mm to 100 mm in diameter, used to bore hole with depths ranging from 1.5 m to 3.0 m, similar to the process of installing an underground water pipe where the pipe is cleaned by wash pipe and water
WASH BORING METHOD
67
A truck mounted driving rig turns the auger to a depth of more than 60 m using continuous flights of auger with a hollow stem where samples of soil can be retrieved
HOLLOW STEM AUGER BORING METHOD
68
Employed as one of the most efficient and convenient method of soil sample retrieval method and used for soil structure characterized by high resistant materials such as rocks, clay, as well as sand
ROTARY DRILLING
69
This method is used when boring or auger method is not possible due to difficulty in penetration of soil especially hard soil strata
PERCUSSION DRILLING METHOD
70
This device is used investigate the consistency of cohesive deposit or relative density of cohesionless strata without the necessity of drilling and obtaining samples
PENETROMETER
71
This method uses a 60° cone with a base area of 100 sqm attached to the tip of a rod and protected by a casing where in the cone is pushed by the rod into the ground
DUTCH CONE PENETRATION METHOD/CONE PENETRATION TEST
72
73
A single spread footing supporting a freestanding column or pier
ISOLATED FOOTING
74
a concrete footing extended laterally to distribute the foundation load over a wide enough area that the allowable bearing capacity of supporting soil is not exceeded
SPREAD FOOTING
75
A type of isolated footing having inclined top sloping towards the edges
SQUARE SLOPED FOOTING
76
A type of footing that changes levels in stages to accommodate a sloping grade and maintain the required depth at all points around the building with the center having the thickest part of the footing
STEPPED FOOTING
77
A footing rectangular in plan and supporting load of unequal magnitudes in both axes
RECTANGULAR FOOTING
78
A reinforced concrete footing for a perimeter column or foundation wall extended to support an interior column load
COMBINED FOOTING
79
A type of combined footing rectangular in plan and supporting two columns assumed to be of the same magnitude
RECTANGULAR COMBINED FOOTING
80
A type of combined footing supporting two columns assumed to be of unequal magnitude
TRAPEZOIDAL COMBINED FOOTING
81
A type of beam-like footing placed underneath the ground in order to transmit and provide additional rigidity to two or more columns
FOOTING TIE BEAM
82
Reinforced concrete beam supporting a bearing wall at or near the ground level and transferring the load to isolated footings, piers, or piles
GRADE BEAM
83
A reinforced concrete footing extended to support a row of columns
CONTINUOUS FOOTING
83
The continuous spread footing of a foundation wall
STRIP FOOTING
84
A reinforced concrete footing connected to a tie beam to another footing in order to balance an asymmetrically imposed load, as at the perimeter of a building site
STRAP/CANTILEVER/CONNECTED FOOTING
85
A thick, slab-like heavily reinforced concrete footing supporting a number of columns or an entire building
MAT FOUNDATION
86
A mat foundation reinforced by a grid of ribs above or below the slab
RIBBED MAT
86
A composite structure of reinforced concrete slabs and basement walls serving as a mat foundation
CELLULAR MAT
87
A mat providing a footing on yielding soil, usually for an entire building placed so that the weight of the displaced soil exceeds the weight of the construction
RAFT FOUNDATION
88
A framework of crossing beams for spreading heavy loads over large areas
GRILLAGE/GRID FOUNDATION
89
A foundation used in yielding soil, having for its footing a raft placed deep enough that the weight of excavated soil is equal to or greater than the weight of the construction supported
FLOATING FOUNDATION
90
A system of piles, pile caps, and tie beams for transferring building loads down to a suitable bearing stratum used specially when the soil mass directly below the construction is not suitable for the direct bearing of footings
PILE FOUNDATION
91
A structural member of small cross-sectional area with reasonable length driven down the ground by means of a driver or vibratory generator
PILE
92
A footing-like member which joins the heads of a cluster of piles in order to distribute the load from a column or grade beam equally among the piles
PILE CAP
93
Refers to a large member of a large cross-sectional dimension, each capable of transmitting the entire load from a single column down to a stable stratum
PIER
94
A type of precast footing provided with a socket to receive a precast column
PRECAST SOCKET FOUNDATION
95
A continuous type of footing intended to support as well as transmit the load imposed by the wall directly to the ground
WALL FOOTING
96
A type of foundation system used when foundation bed is too weak to support the raft or mat or any other type of footing, used to transfer excess load to a greater depth and stratum having suitable foundation characteristics
PILE FOUNDATION
97
A long slender column of wood, steel, or reinforced concrete, driven or hammered vertically into the Earth to form part of a foundation system
PILE
98
A pile depending principally on the bearing resistance of soil or rock beneath its foot for support, The surrounding mass provides a degree of lateral stability for the long compression member
END BEARING PILE/POINT-BEARING PILE
99
A pile that depends principally on the frictional resistance of surrounding Earth for support
FRICTION PILE
100
Log driven usually as a friction pile, often fitted with a steel shoe and a drive band to prevent their shafts from splitting or shattering
TIMBER PILE
101
A steel H-section, sometimes encased in concrete to a point below the water table to prevent corrosion
H-PILE
102
Heavy steel pipe driven with the lower end either open or closed by a heavy steel plate or point and filled with concrete
PIPE PILE
103
A pile which has a round, square, or polygonal cross section, and sometimes an open core, often pre-stressed
PRECAST CONCRETE PILE
104
Pile constructed by driving a steel pipe or casing into the ground until it meets the required resistance and then filling it with concrete
CASED PILE
105
Pile constructed by driving a concrete plug into the ground along with a steel casing until it meets the required resistance, and then ramming concrete into place as the casing is withdrawn
UNCASED PILE
106
Pile used in foundation construction and carries superimposed loads
BEARING PILE
107
Pile driven at an inclination to resist forces that are not vertical
BATTER PILE
108
Pile used in cofferdam construction to support the horizontal wall that in turn supports vertical sheet Piling
GUIDE PILE
109
Pile driven at whaves or in front of a large masonry structure to protect them from sudden blows
FENDER PILE
110
Pile used to resist lateral pressure of the Earth and to form a wall that is intended to be watertight, driven vertically side-by-side to retain Earth and prevent water from sipping into an excavation
SHEET PILE
111
An H- section steel pile driven vertically into the ground to support horizontal lagging
SOLDIER PILE
112
It refers to the heavy timber planks joined together side-by-side to retain the face of an excavation
LAGGING
113
The deviation of the pile from its planned location or from the vertical which may result in a reduction of its allowable load
PILE ECCENTRICITY
114
A machine for driving piles composed of a tall framework supporting machinery for line in position before driving, a hammer, and vertical rails for guiding the hammer
PILE DRIVER
115
A type of pile driver which is raised by means of a rope and then allowed to be dropped
DROP HAMMER
116
117
A type of pile driver that is automatically raised and dropped a short distance by the action of the steam cylinder and the piston supported in a frame which follows the pile
STEAM PILE HAMMER
118
A cast-in-place concrete foundation formed by boring with a large anger or excavating by hand a shaft in the earth to a suitable bearing stratum and filling the shaft with concrete
PIER
119
A pier to permit inspection of the bottom
CAISSON
120
A caisson that is drilled into a stratum of solid rock rather than belled
SOCKETED CAISSON
121
A socketed caisson having a steel H-section core within a concrete-filled pipe casing
ROCK CAISSON
122
A watertight box made of timber and concrete, having a bottom, but no top
BOX CAISSON
123
A self-contained box structure made of timber, metal and concrete
OPEN CAISSON
124
A type of caisson having opening at the bottom and closed at the top or it may be an inverted box into which compressed air is introduced to keep the water and mud from coming into the box enclosure and which forms part of the integral part of the foundation
PNEUMATIC CAISSON
125
A temporary enclosure in a river, lake, etc. to keep water from the enclosed area prior to the construction of a permanent structure/s
COFFERDAM