钢结构英语术语汇总Word文档下载推荐.docx

1、 Standard aluminum welding electrode.5356:6061: Special pole and arm shaft material.356: Standard flange base casting material. ALUMINUM A silver-white non-ferrous metallic element whose features and physical properties include: a good resistance to temperature variations, high reflectivity, resista

2、nce to oxidation, ductility, light weight, and recyclable. ANCHOR BASE See Fixed Base ANCHOR BOLT Threaded steel rod embedded into concrete and used to connect the pole to the foundation. ANGLE IRON ping ANODIZING The process of coating a metallic surface electrolytically. This process normally invo

3、lves the combination of electrical current and chemical bath in which the materials surface or skin is altered to form a protective shield for the remaining material ANSI American National Standards Institute APPROVAL DRAWING Formal drawing submitted to customer for their review to determine accepta

4、bility of product. ARCHITECTURAL COATING Special finish coating designed to give the appearance of concrete, marble, granite or sandstone. ARGON Inert gas element utilized as a shielding component of gas metal arc welding （GMAW） or metal inert gas welding （MIG）. Generally utilized when welding alumi

5、num or like materials. ARM A single extension of any cross section used to mount a single fixture. ARM RISE The vertical distance from the center line of the simplex connection to the center line of the arm end. ARTIFICIAL AGING Process of heating and cooling a material in a controlled manner to dev

6、elop desired mechanical properties. （See also heat treat）. ASTM American Society for Testing and Materials ASTRO BRACKET Device used to attach a traffic signal to the pole or mast arm. Normally rigid mounted, but can also be free swinging. AWS American Welding Society AXIAL FORCE Force along the lon

7、gitudinal axis of a member. When designing a foundation this figure relates to the weight of a structure plus any added devices or equipment.BBACK-UP-BAR Steel bar used to secure the handhole cover. BACK-UP-RING Steel ring used for full-penetration welded connections. BACKPLATE Border surrounding tr

8、affic signal heads. BANNER ARMS Two parallel pipe extensions bolted along the pole shaft used to mount a special banner. BASE COVER Full Base CoverBASE FLANGE Cast component welding to the bottom of the pole shaft used to connect the structure to the foundation. （Also called base casting and shoe ba

9、se）. BASE PLATE Steel plate welded to the bottom of the pole shaft used to connect the structure to the foundation. BASE REACTIONS （POLE） Shear force, axial force, and bending moment occurring at the pole base, used for foundation design. BEARING PLATE Steel plate attached to the bottom of an anchor

10、 bolt designed to prevent bolt pull-out. BEND RADIUS The radial dimension corresponding to the curvature of a bent member, usually measured from the inside surface. BENDING MOMENT The product of a wind force or weight force multiplied by its distance from a section. BOLT Metal rod or pin used for fa

11、stening objects together that usually has a head at one end and a screw thread at the other. BOLT CHORD Dimension measured between two adjacent anchor bolts which do not intersect the center line of the foundation. This dimension may vary between each individual chord. BOLT CIRCLE Dimension measured

12、 from one anchor bolt to another which intersects the center line of the pattern. This dimension will remain equal for all bolts, regardless of quantity of bolts. BOLT COVER A decorative cast cover usually fastened to the base flange covering the anchor bolt. BOLT LOAD Force along the axis of a bolt

13、. BOLT PROJECTION Length of anchor bolt extending above the foundation surface. BREAKAWAY COUPLING Device used to connect the pole to the anchor bolts, and designed to fracture when the pole is impacted by a vehicle. The main purpose being to assure passenger safety. BULLHORN Steel pipe formed with

14、a 90 degree upward bend used to mount fixtures, speakers, cameras, etc. BUMP FORMED Method of manufacturing a flat steel plate into structural shape. The plate is bent by a brake press usually at equal spacings, forming the desired shape. BUTT WELD Circumferential weld joint used to connect two shaf

15、t sections or a shaft to a plate with or without a back-up ring.CC-HOOK Steel rod formed into shape of a C and used for wire support or handling purposes. C.B.C Canadian Building Code C.S.A Canadian Standards Association C.S.R. （Combined Stress Ratio） Summation of ratios of applied stresses over all

16、owable stresses. Included stresses are bending, shear and axial. C.W.B. Canadian Welding Bureau CAD Computer-Aided Design CAGE PLATFORM A platform that consists of formed steel tubing, support angles and steel grating to safely support a service person and a cluster of lighting fixtures. CALCULATION

17、S Formal structural analysis to be presented to the customer, proving adequacy of the structure to the design criteria requirements. CAMBER Curving of sign structure chords, mast arms or poles during the manufacturing process. The curved displacement from center line is equal and opposite to the def

18、lection expected in the field. The structure, therefore, appears straight after loads are appli CANTILEVER Structure fixed at one end and free at the other. A pole is a vertical cantilever and a mast arm is a horizontal cantilever. CASTING Product which is manufactured by means of molding in a form

19、with a molten alloy. CERTIFICATION A document containing a confirmation that the product and/or design meets or exceeds some specifically stated conditions. CITY SCAPE Unique design style in traffic control and lighting structures incorporating modular components. CLAMSHELL BASE A 2-piece shell base

20、 bolted around the pole base after installation. CLEARANCE The vertical distance from the roadway surface to the lowest point of an overhanging device. COATING Process of covering a product with one of or a combination of the following: galvanizing, painting and/or metallizing. COBRA HEAD Generic te

21、rm for some street lighting fixtures. COIL MATERIAL Any steel which is rolled into coil form after processing from the mill. COMMISSION A fee paid to a representative for transacting a piece of business or performing a service. CONTROLLER CABINET Metal cabinet that houses components used to operate

22、the electrical system. Components could include items such as terminal strips, timers, and circuit breakers. COR-TEN Trade name by United States Steel Company for high strength, low alloy, self-weathering steel. This material has enhanced atmospheric corrosion resistance when compared with ordinary

23、carbon steels. The enhanced corrosion resistance may permit the use of t COUPLING Internally threaded steel fitting used for wiring access and attachment of controller cabinets, junction boxes or other related devices. CRITERIA A written specification used to control the design of a structure. CROSS

24、ARM A length of steel tubing or angle that attaches to a pole shaft with provisions for mounting a single row of lighting fixtures.DDAMPER Mechanical device used to eliminate or reduce harmonic vibrations. （See also vibration damper and harmonic vibrations）. DAVIT Radial formed pole/luminaire arm. D

25、EAD LOAD Total weight of structure and all added appurtenances. DEFLECTION Movement of the pole and/or arm, expressed as a displacement or rotation, resulting from dead loads or other applied loads. DERATE Recognizing a materials loss of physical or mechanical properties due to a manufacturing proce

26、ss such as welding. DIE CASTING The process where molten metal is forced under pressure into the cavity of a mold to form a desired shape such as a base flange or base casting. DRAG COEFFICIENT A numerical factor used in wind force calculations. This factor is applied to the projected area of a stru

27、ctural member, lighting fixture, traffic signal, or other component to account for its shape. DRILL PATTERN Layout of hole size and spacing for a given fixture. DUPLEX RECEPTACLE Electrical component generally used in conjunction with Valmont festoon boxEEFFECTIVE PROJECTED AREA （EPA） Area of a give

28、n fixture and/or structure resisting wind force （projected area x appropriate drag coefficient）. ELEVATION The distance which something is above or below sea level, ground level or other referenced surface. （i.e., highway, foundation, etc.） ELLIPTICAL Having the shape of an oval. EMBEDDED POLE Pole

29、fixed into concrete or compacted soil by means of an extended portion. EXTRUSION The process of forcing material through a die to form a desired cross-section shape.FFASTENER A part used to attach or secure two components together. （i.e., bolt, nut, screw, etc.） FERRULE TenonFESTOON BOX Enclosure welded to a structure to accommodate the mounting of an elect