Info

A measure of portland * cement 94 lb. In the U.S.fl'J-'Zf i 675 lb. In Canada. 112 lb. Britain, and 50 kg In cou ntries using the metric system. Also called bag. A method for determining the consistency and workability of freshly mixed concrete by measuring the slumpof a test specimen. 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...

P

The symbol * derating the ratio between the circumference of a circle and Its diameter, a constant equal to 3.K159+. A closed plane curve generated by a point moving in such a way that the sums of Its distances from two fixed points, the foci. Is a constant. Any part of the clrcumferenceof a circle, radius A straight Une extending from the center cf a circle or sphere to the circumference or bounding surface. A plane figure bounded by two radii and the Includedarcofaclrcle. A straight line...

1

An oxide occurring In a scaly form on the surface of metal when brought to a high temperature. A loose coating of Iron oxide that forms on Iron or Steel during hot-rolling. Mill scale Increases the kmd between steel and concrete in reinforced concrete or In structural steelwork encased In concrete for fire protection. The controlled heating and cooling of a metal to develop certain desirable physical or mechanical properties. To remove Internal stress from metal or glass by heating to a...

Drawing

A thin, continuous mark made on a surface with a pencil, pen, or brushes distinguished from shading or color. A line describing the outer boundary of a figure or object. An outline of a form or structure seen or represented from the side. The dominant tonal value of a drawing or painting. The technique of rendering the Illusion of volume, depth, or solidity on a two-dimensional surface by shading.

W I

Iconostasls A screen or partition on which icons are placed, separating the bema from'the nave of an Eastern church. Also, Iconostas. A large apsldal extension of the Interior volume of a church. Also, exhedra. A low screen In anjsaift Chrlstlan'baifica, separating the cWrgy and sometime the choirfrom the congregation. ill A stone coffin, esp. one bearing sculpture or Inscriptions and displayed as a monu ment The sanctuary space surrounding the altar of an Eastern church. A sacristy In an eariy...

Fba

Gothic Architecture Png

Facing brick suitable for use where particular effects are desired resulting fowl nonuniform Ity in size, color, and texture of the Individual units. A designation indicating the durability of a brici unit when exposed to weathering. Hie U-S. is divided Into three weathering regions - severe, moderate, and negligible -according to annual winter rainfall and the annual number of freezing-cycle days. Brick is graded for use in each region according to compressive strength, maximum water...

Cubic measure

A unit or system of units for measuring volume or capacity, derived from units of linear measure. The size or extent of a three-dimensional object or region of space, measured in cubic units. A metric unit of capacity equal to Viooo of a cubic meter or 61.02 cubic Inches. Abbr. L -----j A metric unit of capetty equal to V ooo of a liter or 0.0162 cubic Inch. Abbr j ml A unit of HqUld capacity equal to 1505 cubic Inches or 29573 milliliters. Abbr-fl-oz. A unit of liquid capacity equal to 16 n...

J

Abrasion resistance The property of a material that enables it to resist being worn away by friction when rubbed with another object Abrasion resistance Is a measure of toughness rather than hardness a nd Is a necessa ry quality of flooring materials and surface finishes. dimensional stability The property of a material that enables It to maintain Its original shape and dimensions when subjected to changes In temperature or humidity. The theory that the temperatu re of a substance increases...

Bglass

Hie setting of a glass pane In a rabbeted frame, holding It In place with glazier's points, and seatng It with a beveled bead of putty or glazing compound. face putty -------------------------- The putty or glazing compound formed on the exterior side of a glass pane. bedding -------------- A thin layer of putty or glazing compound bid In the rabbet of a window sash to give a pane of glass an even backing. The Installation of two parallel panes of glass with a sealed air space between to reduce...

Msb

Uppermost Member Column

The crowning member of a classical Lhr cornice, usuafya cyma recta. The projecting, slablike member of a classical conice. supported by the bed molding and crowned by the cymatium. bed molding - - The molding or group of moldings immediately beneath the corona of a cornice. Having two columns on one or each front. Having three columns on one or each front. tetrastyle Having four columns on one or each front.- perrtastyle Having five cotemns on one or each front. hexrstyie Having six colwws on...

O O

Moment Resisting Frame

pile cap ------------ A reinforced concrete slab or mat Joining the heads of a cluster of piles to distribute the load from a column or grade beam equally among the piles. cast-in-place concrete pile A pile constructed by placing concrete Into a shaft In the ground. cased pile - A concrete pile constructed by driving a steel pipe or casing Into the ground urctfl It meets the required resistance and then filling it with concrete. casing - A cylindrical steel section, sometimes corrugated or...

Tent structure

Air Structure Building Detail

A membrane structure prestressed by externally applied forces so that It Is held comptetefy taut under all anticipated bad conditions. To avoid extremely high tensile forces, a membrane structure should have relatively sharp curvatures In opposite directions. reinforcing edge cable A cable stiffening the free edges of a pre stressed membrane Structure. A reinforcing edge cable tied to the mast support of a membrane structure distribution cap The broadened end of a mast over which a prestressed...

Vk total U

Dew Point Comfort Level Chart

An element of low thermal conductivity placed In an assembly to reduce the flow of heat between highly conductive materials. Also called thermal barrier. The flow of outside air Into an Interior space through cracks around windows and doors or other openings In the envelope of a building. A strip of metal, felt, vinyl, or foam rubber, placed between a door or window sash and Its frame to provide a seal against windblown rain and air infiltration. Also, weather stripping. Any of various...

Awo

Gothic Architecture Png

Of or pertaining to shapes and forms which resemble or employ the simple rectllinearor curviSnear elements of geometry. Of or pertaining to shapes and forms having an Intellectual and affective content dependent solely on their Intrinsic lines, colors, and relationship to one another. 'texture ' ' The visual and esp. tactile quality of a surface, a part from its color or form. The apparent texture of a surface resulting from the combination and interrelation of colors and tonal values. The...

C0

The temperature recorded ty the wet-bulb thermometer in a Psychrometer. dew point w The temperature at which air becomes saturated with water vapor. Also called dew-point temperature. The temperature recorded by the dry-bulb thermometer In a psychrometer. An Instrument for measuring atmospheric humidity, consisting of two thermometers, the bulb of one being dry and thebulb of the other being kept moist and ventilated so that the cooling that results from evaporation makes It register a lower...

Mosaic Of Tessera Arranged In Waving Lines Resembling Track Of Worm

Egg and dart An ornamental motif for enriching an ovolo or echinus, consisting of a closely set. alternating series of oval and pointed forms. Also called egg and tongue. Any of a series of closely spaced, small rectangular blocksfbrmlng a molding or projecting beneath the coronas of Ionic. Corinthian, and Composite cornices. One of the three horizontal bands making up the architrave In the Ionic order. A base to a classical column, consisting of an upper and a lower torus separated by a scotia...

Mesopotamia Civillza

A legendary dynasty in China, 22051766 Br. Also, Hsia. A Chinese dynasty, C1600 B.C.-1030 Br., marked by the Introduction of writing, the developmentofan urban civilization, and a mastery of bronze ca sting. Also, Yin. The architecture of the ancient civilization that flourished along the Nile River In northwest Africa from before 3000 B.C. to Its annexation by Rome In 30 B.C., characterized esp. by the axial planning of massive masonry tombs and temples, the use of trabeated construction with...

J lx

Concrete Thickness Above Flutes

Any of various materials, as concrete, gypsum, or mineral fiber, used In making a structural member or system resistant to damage or destruction by fire. A mixture of mineral fibers and'an inorganic binder, applied by air pressure with a spray gun to provide a thermal barrier to the heat of a fire. A coating that, when exposed to the heat of a fire, swells to form a thick Insulating layer of Inert gas bubbles that retards flame spread and combustion. A compound used to raise the Ignition point...

Index 285

Gothic Architecture Png

One picture 5 worth a thousand words Just as a single image can be worth a thousand words, a single word can conjure up in the mind's eye a thousand images. Regardless of the power of a solitary word or image, however, each communicates meaning more effectively when brought together into a single presentation. The symbiotic relationship between graphic and verbal communication is the basis for this visual dictionary of architecture. Instead of an alphabetical listing of entries as found in most...