St. Unable to Add. Standard lengths of 40” and 48”. 2030 ProductsCommitted to Precast. 217 views. 3/16" wire x 8" wide for 10" block, 12" long, hot dip galv. bearing pads and strips are manufactured from premium quality natural rubber. 7. As shown in the illustration, the oval surface will allow a nut and washer to seat itself at the proper angle just by the tension. Custom configurations available per your requirements. Slide Bearing Assembly with full welded elements. It is a hard plastic that can withstand over 4,500 psi. Bearing Pads and Shims / Korolath Shims. The difficulty lies in securing the part. Eco-friendly material. The next step, the angle, is the most difficult and critical. Follow the Steel Supply Co. In Anchor Bolt manufacturing, the F1554 specification is the rulebook. Unable to Add. (See Compressive Strength note below) While providing permantent support it will not rust or stain, it is impervious to fluids, oils and micro organisms. 80. The Slotted Steel Shim and the Steel Wedge have some separate and some overlapping functions. PVC Rug Pads – RugPadUSA Yes, the non-slip Anchor Grip is a PVC pad. Slide Bearing - Tack Weld Expanded; Slide Bearing - Full Perimeter Expanded; Slide Bearing - w Holes and Slots Expanded; Slide Bearing - Side View Expanded; Slide Bearing Configurations; Slide Bearing FC-1010-CS; Slide Bearing FC-1010-CS 1/4 L; Slide Bearing FC-1010-CS 1/4 L SS; Slide Bearing FC-1010-CS 1/4 NRT; Slide Bearing FC. The rod is threaded with right-hand threads at one end and left. The buildings are two stories, the planks are roughly 8', the bearing walls are poured concrete, and we believe the slab is. . pure PTFE is: As shown in the table above the trade off for hardness and durability is a. In some cases, the bearing is intended to last the entire life of the structure so. The formulaSNAP TIE, HEAVY-3,350 Lbs. To learn more about Slide Bearings, Bearing Pads, and Neoprene, contact us or request a free quote today. For reference, our website shows a chart of the most recent Plastic Shim Compression Tests. Inserts and Connections Coil Bolts Bearing Pads and Shims R-Anchors and Lift Loops Bar. Call. Item #: KCBS18436 Korolath Bearing Strips. 800. In Stock. 3 Thickness of membrane t 0. 11/16. Product Details The Dayton Superior Shims allow accurate placing and leveling of tilt-up panels and the other architectural and structural. Thicker plank, with thicker concrete toppings, with longer spans. Bearing Pads and Shims; Rebar Supports; Concrete Reinforcement; Form Release ; Chemicals and Repairs; Forms and Accessories; Tools and Equipment; SHIM, 1/16" X 5" X 5" KOROLATH - KCS11655 - SHIM, 1/16" X 5" X 5" KOROLATH. Catalog of ALTERNATE CONFIGURATIONS. Vers-A-Shim® Bearing Strips are used for placing and leveling precast panels, tilt wall panels and other architectural or structural components. Reinforced Bearing Pads Typical Properties HARDNESS (Shore A) COMPRESS/ON. 2030 Products Excluding any considerations for insulation against electrical current, more common insulations would be a high durometer commercial grade neoprene or Korolath HDPE plastic, both of which are supplied by The Steel Supply Company. KOROLATH OF NEW ENGLAND, INC. UOM: EA. Dynamex™Plain Bearing pads consist solely of virgin Natural Rubber (polyisoprene). single piece. Bearing Pads and Shims / Korolath Shims. These are almost always made with Fluorogold® Teflon as it is more durable and able to withstand more abuse than pure PTFE (Teflon®). VALULINER DRUM. Unable to Add. Any residual energy passing through the Elastomeric. UOM: FT. UOM: EA. Bearing Pads and Shims. GRM Cotton Duck Pads. 7090 215. UOM: EA. Steel Supply Co. Precast load-bearing shear wall panels are used extensively for high-rise construction because of the ease and speed of assembly, and the high quality of the precast panels. Korolath Shims Datasheet. The Dayton Superior Shims allow accurate placing and leveling of tilt-up panels and the other architectural and structural components. Slide Bearing - Tack Weld Expanded; Slide Bearing - Full Perimeter Expanded; Slide Bearing - w Holes and Slots Expanded; Slide Bearing - Side View Expanded; Slide Bearing Configurations; Slide Bearing FC-1010-CS; Slide Bearing FC-1010-CS 1/4 L; Slide Bearing FC-1010-CS 1/4 L SS; Slide Bearing FC-1010-CS 1/4 NRT; Slide Bearing FC. Many people do not know this, but practically every bridge that you can drive. PRECAST CONCRETE LOAD-BEARING SHEAR WALL PANELS R. With the end span condition, I would normally extend the HC across the c/l of the wall and provide 2" for grout at the end, ie, the HC would have approx 6" of bearing. UOM: FT. This pass through allows take-up to be achieved with standard nuts and washers. The initial benefit is cost. Description;GP-5025-CS. 332. Hutchinson ', S. UOM: EA. ”. Description;o ~ PRECAST I PRESTRESSEO CONCRETE INSTI TUTE Horizontal Post-Tensioned Connections for Precast Concrete Loadbearing Shear Wall Panels 64 Robin L Hutchinson P Eng Structural…The typical Hillside Washer, also known as a Bracer Rod Washer, is made from ductile iron and serves the purpose of providing a perpendicular surface regardless of the angle of the Turnbuckle Rod they are anchoring. Concrete Forming and Accessories. Item #: KCHS1844. Item #: KCBS14248. Information onSocial © Atlas Construction Supply, Inc Atlas Construction Supply, Inc1/8" X 4" X 4" Korolath Shims are engineered multipolymer plastic used to level support or fill small gaps in industrial and commercial applications. It is measured from the center of the Clevis Pin to the center of the opposite Clevis Pin. Pads of this size have a shape factor of 2, which is well above the minimum of 1. Bearing_Pads_and_Shims. UOM: EA. At 70°F for a uniform compressive stress of 1,000 psi and a shear strain of 50% (dh x 100) where both t bearing surfaces contact smooth concrete B. Horizontal Post-Tensioned Connections for Precast Concrete. For the standard expansion joint in. Form Release (32) Form Release . Posted on Fri, Jan 15, 2021 @ 12:57 PM. Krylon High Performance Red Oxide steel primer does require greater drying time than standard shop coats. The smaller end will fit in and the plug will go about 1/2 way in. Description. When using lubricants not supplied by SKF, temperature limits should be evaluated according to the SKF traffic light concept. (Fig. Lafarge Precast EdmontonOur initial thoughts are shear failure, however there's not really much load being applied. Packaging. Engineered from multipolymer plastic & used in vertical applications. Bearing Pads and Shims / Korolath Shims. 332. Bearing Pads and Shims / Korolath Shims. Use Elastomeric Bearing Pad Type F. 100 pcs/carton. gravity feed downward. Rods Diameter 5/8” to 1-1/4”; Drill hole 1/8” larger than rod diameter. 1-1/4" Sched 40 pipe has an O. Note: The ASTM document describing Anchor Bolt manufacturing standards is F-1554. I've never seen neoprene used before for seating precast, it doesn't really meet the low friction requirements for bearing so would seem to be a unsuitable option. R. The first factor we’ll discuss is the minimum PSI required for a Fluorogold® slide bearing to function, which is 70 PSI. (fig 3 below left. Every product in the JVI line is a result of our hard-working efforts to improve construction connections and achieve reliable, high-quality solutions for our customers. As the leading single-source provider of concrete accessories, concrete chemicals, and concrete forming products for the non-residential construction industry, we deliver strong, proven products and build strong relationships built on. Bearing pads wear down due to type, age and loads acting upon them. Slide Bearing - Tack Weld Expanded; Slide Bearing - Full Perimeter Expanded; Slide Bearing - w Holes and Slots Expanded; Slide Bearing - Side View Expanded; Slide Bearing Configurations; Slide Bearing FC-1010-CS; Slide Bearing FC-1010-CS 1/4 L; Slide Bearing FC-1010-CS 1/4 L SS; Slide Bearing FC-1010-CS 1/4 NRT; Slide Bearing FC-1010-CS 1/4 NRT. 332. There are many Pad Bearing out there , ranging from sporty models that feature aerodynamic frames to more vintage designs that have a classic look . The "hardness" of Viblon™ Pads can be controlled within a 10 point range when measured as Durometer (method Shore A). 10 gauge type 304 Stainless Steel polished to a 2b. 7090 215. Steel. The difficulty lies in securing the part. Our company headquarters is located in Woburn, MA. For additional information and pricing, please contact: Landcon. Item #: KCBS14336. In Stock. From our 17,000 hard-working products to our 1200+ dedicated people, Dayton Superior is all about building strength. Fixed bearing pads, such as Fabreeka preformed fabric bearing pads and SA-47 random oriented fiber bearing pads are used on bridges to support uneven load and rotation on steel to steel or steel to concrete connections. 7090 215. PO Box 1246 Bearing Strips. The strength of the concrete fill was 68 Fig. To allow for sliding without unnecessary pressure the bolt is only hand tight. Direct Ship. Unable to Add. 7090 215. 5/8. Tweet. SBX type bearings meet AASHTO and State DOT specifications for fabric reinforced bearings pads with PTFE sliding surface. In this example the lower element is made from 1/4" steel and 1/4" Fluorogold®. Korolath® is a multi-polimer plastic specially formulated for the construction industry. Unable to Add. Description. Popular sizes are: 2”x 3”, 3”x 4”, and 4”x 4”. About us. Available for same day shipment. West, Suite 206. Simply, epoxy can work with less clearance than grout. Steel Shim 150B x 1/2; Horseshoe Shim 150B x 1/16;. 1" X 4" X 6" Korolath Shim. More Concrete Accessories:A neoprene bearing pad is a thick and durable version of solid neoprene rubber. 736. Teflon Slide Bearings have a very low coefficient of friction, high compresssive strength and can remain stable at temperatures up to 400°F. Concrete Reinforcement (181) Concrete Reinforcement . Call For Pricing. Some of the projects requiring Stainless Steel are Oil Pipelines, exterior. beam bearing pad on korolath min. 2030HORIZONTAL POST-TENSIONED CONNECTIONS FOR . Eco-friendly material. 2575 Kasota Avenue. This portland cement-based patching material is formulated with special hardeners, aggregates and set accelerators to repair, resurface and restore concrete surfaces. 50 mm wide by 3 mm thick Korolath bearing pads are used under the . dhengr (Structural) 14 Nov 19 20:05. Tel: 416 739-7904 Fax: 416 739-9506. 1/2" X 2" X 2" Korolath Shim. 5" on steel beam, with 1" gap between abutted ends, you would need a 6" wide flange. The most common Teflon® application in Structural Steel fabricating is the Slide Bearing. Eng. Call. Form Release (32) Korolath Shim: 1/4 in x 2 in x 4 in: Each: Compare. Bearing Pads and Shims / Korolath Shims Viewing Page 3 of 4 (37 results) View: 12 12; 24; 42; 1/8" X 4" X 36" Korolath Bearing Strip. . Slide Bearing - Tack Weld Expanded; Slide Bearing - Full Perimeter Expanded; Slide Bearing - w Holes and Slots Expanded; Slide Bearing - Side View Expanded; Slide Bearing Configurations; Slide Bearing FC-1010-CS; Slide Bearing FC-1010-CS 1/4 L; Slide Bearing FC-1010-CS 1/4 L SS; Slide Bearing FC-1010-CS 1/4 NRT; Slide Bearing FC. We pride ourselves in making the best products and delivering the. Standard width of 24” scored in either 2”, 3” and 4” intervals for easy snap off. 736. 180 Steeles Ave. Custom, durable bearing pad & shim options for any precast/prestressed concrete application - ROF cross ply material, high-capacity duck pad, molded neoprene, Dynalon slide bearings, & Shimmers (shim strips, shim packs, bearing strips, and horseshoe shims) All Pads & Shims Overview. Unable to Add. Coil Nuts R-Anchors and Lift Loops Coil Inserts (17) Inserts and Connections Coil Bolts Bearing Pads and Shims R-Anchors and Lift Loops Bar. Call For Pricing. Direct Ship. Item #: KCHS11634. The information included is intended to permit efficient fabrication, installation, and maintenance of these bearings. Call For Pricing. Bearing Pads - For light loads standard white (virgin) PTFE can be used as a bearing pad. Fister Inc is a proud distributor of Korolath’s full line of Bearing Strips, Pads, Shims, & Shimpaks. Also available with heat sealed edge. 3. com: Office: 35 Pine Drive Cold Spring Harbor, New York 11724In order to create a slide bearing configuration that can withstand loads higher than 3,500 psi or temperatures higher than 400°F, the epoxy bond between the Fluorogold® or Teflon® and steel backing plat is removed. In this case 3/32” thick Fluorogold® bonded to 10 gauge steel. The black Elastomeric Bearing (Fig. O. Assembled Lift. Direct Ship. UOM: EA. This is not to be confused with the RECESSED LIP slide bearing. F. Isoflex Bearing Pads (1) Korolath Shims (37) Mags (2) Neopad Bearing Pads (3) Overstock Neopads. White - 1/8" Metal Ball Tip, Collapsible Tube. 1/4" X 3" X 4" Korolath Horseshoe Shims provide a slot allowing ease of fitting around bolts or objects. This Slide Bearing Assembly does require a minimum of 200 psi. Unable to Add. Description;Social © Atlas Construction Supply, Inc Atlas Construction Supply, IncAdjustable Weld Angle Bracket . With an account, you can have access to your order history and invoices, proof of delivery, create a favorites. Hutchinson ', S. The pads accommodate expansion, contraction, and rotation at the bearing area, preventing spalling and cracking of the supporting concrete members. CAT#: Size: Pieces Per Carton: PC24814: 2” x 48” x 1/4" 72 PCS: PC24818:1/2" X 3" X 48" Korolath Bearing Strip. 72 m). Bearing Strips come in thicknesses of 1/16”, 1/8” and 1/4”. Rebar Supports (157) Rebar Supports . The insert is approximately 1-1/4" x 1-1/4" with a height of 3/4". Eco-friendly material. This is done on a horizontal milling machine but. Eco-friendly material. Description;The Steel Supply Company: Phone: 631-385-7273: Fax: 631-385-7274: email: info@thesteelsupplyco. If bridge is on a skew, seats and pads are to be aligned with the girders and not the abutment, as illustrated in Memo To Designers 7-1, Bridge Bearings, B RIDGE C ONSTRUCTION RParameters used in the experiment Supply pressure p s 2. Vent Hole Plugs are available in a wide assortment of diameters and are made of either aluminum or zinc. They are designed to maintain structural integrity while minimizing heat loss. UOM: EA. Teflon® is the brand name for PTFE that is manufactured by the DuPont Corporation. Standard Color - Black. Every product in the JVI line is a result of our hard-working efforts to improve construction connections and achieve reliable, high-quality solutions for our customers. Call. If needed, use contact adhesive or tape to hold bearing strip in. This is a very important. Eco-friendly material. Direct Ship. Eco-friendly material. Direct Ship. Stainless Steel is drop forged to ASTM A182. Heuvel4. Regularly monitor the wear process by checking the skirt clearance using a ruler or feeler gauge. Description; Specifications;1/8" X 4" X 6" Korolath Shims are engineered multipolymer plastic used to level support or fill small gaps in industrial and commercial applications. At the softer end the durometer range is 45-55. Weston, WI 54476. 800. Click here for detailed information. This is the most common configuration and can function effectively in. Bearing Pads and Shims / Korolath Shims. Direct Ship. As the leading single-source provider of concrete accessories, concrete chemicals, and concrete forming products for the non-residential construction industry, we deliver strong, proven products and build strong relationships built on. Basically, this addresses only the diameter of the bar at the bend. 1/16" X 2" X 48" Korolath Bearing Strip. It is obviously important that size at the bend diameter remain as close as possible to the straight portions. 2 products. 353-8. Fire-Proofing Anchor. The Slide Bearing illustrations below show a typical slide bearing configuration: FC indicates Fluorogold® as the sliding surface. The next step, the angle, is the most difficult and critical. of 1. Conversely, Straight Thread Rebar couplers should be threaded to UNC threading standards; #4 Rebar 1/2” diameter 13 threads per inch. The document has moved here. topping req'd 1/8"x2" korolath brg pad concrete topping = 3500 psi) perimeter & = -3000 psi) groutBoston, MA: Fabreeka-TIM® structural thermal break is an energy saving, load bearing thermal break used between flanged steel connections worldwide. Social © Atlas Construction Supply, Inc Atlas Construction Supply, IncSlide Bearings. Bearing Pads and Shims / Korolath Shims. 4 Bearings. The cost per team is $180. G43-R. Description;1/8" X 2" X 2" Korolath Shims are engineered multipolymer plastic used to level support or fill small gaps in industrial and commercial applications. Eco-friendly material. West, Suite 206. Data Sheets. 2 is the horizontal ground acceleration It should be noted that each of the two bridge girders are supported by an elastomeric bearing pad at. HORIZONTAL POST-TENSIONED CONNECTIONS FOR . 2030 Korolath® Bearing Strips are commonly used for hollowcore planks and precast slabs. The process can start with any diameter bar that can be cut to any diameter plug. Shim Packs should be used in grouted applications only. Unable to Add. 2. GRM Random Oriented Fiber Pads. Korolath® can be machined to specific. Company Profile | Hudson, MA | Competitors, Financials & Contacts - Dun & Bradstreet Find company research, competitor information, contact details & financial data for !company_name! of !company_city_state!. ABSTRACT. Item #: KCS11622. Call. Gives you the flexibility to design your own Clip Angles, Shims, Wedges, Anchor Bolts and Slide Bearings. The plugs are made of Aluminum or Zinc. ABSTRACT. Shims & Bearing Pads. Eco-friendly material. Tools and Equipment (50)Korolath Shim ensures accurate placing and leveling of precast panels, tilt slab and other architectural and structural components. Slide Bearing - Tack Weld Expanded; Slide Bearing - Full Perimeter Expanded; Slide Bearing - w Holes and Slots Expanded; Slide Bearing - Side View Expanded; Slide Bearing Configurations; Slide Bearing FC-1010-CS; Slide Bearing FC-1010-CS 1/4 L; Slide Bearing FC-1010-CS 1/4 L SS; Slide Bearing FC-1010-CS 1/4 NRT; Slide Bearing FC. I have a design and engineering handbook from Spancrete, which shows "minimum" (not necessarily acceptable) bearing requirements. TNK linear guide and slide bearing block(GD-N-internal type) GD-N linear guide slide linear guideway linear rail 1. Specifications. F. The columns were post-tensioned vertically (including the cast-in-place. 1/4" thick. Call For Pricing. The phrase “plastic shim” is a bit deceiving. UOM: EA. O. Less expensive and safer than steel. 1/4" X 3" X 48" Korolath Shims are engineered multipolymer plastic used to level support or fill small gaps in industrial and commercial applications. Choose from our selection of isolation pads, including vibration-damping pads, vibration-damping mounts, and. Jahn Scaffold Jack . Other colors available: Light Green, Light Brown, Light Red, Concrete Gray, Dark Green, Dark Brown, Dark Red, Blue, Safety Yellow, White. Steel Supply Co: Rod Anchors come as Continuous Rod Anchors, Fireproof Rod Anchors, Triangle Tie and Block Masonry Ties. 736. Korolath Horseshoe Spacer Strips . beam min. The difference is in the make up of the material. Item #: KCS1424 Korolath Shims Datasheet. Isoflex Bearing Pads (1) Korolath Shims (37) Neopad Bearing Pads (3) Slide Bearing Pads (3) X-Cord Bearing Pads (3) Browse Categories. Shim Packs should be used in grouted applications only. More Concrete Accessories: Select AccessoriesSocial © Atlas Construction Supply, Inc Atlas Construction Supply, IncTeflon® Slide Bearings. 7090 215. Commercial grade neoprene and ROF, random oriented fiber bearings. Tilt Up Forming Nuts, Plates and Shims. 1/8" X 4" X 6" Korolath Shim. ) 2) The result is two roughed out wedges. Bearing Pads and Shims / Korolath Shims Viewing Page 1 of 4 (37 results) View: 1/16" X 2" X 2" Korolath Shim Item #: KCS11622 Korolath Shims Datasheet In Stock Call For. Standard lengths of 40” and. Category Group Apply. Call. Slide Bearing - Tack Weld Expanded; Slide Bearing - Full Perimeter Expanded; Slide Bearing - w Holes and Slots Expanded; Slide Bearing - Side View Expanded; Slide Bearing Configurations; Slide Bearing FC-1010-CS; Slide Bearing FC-1010-CS 1/4 L; Slide Bearing FC-1010-CS 1/4 L SS; Slide Bearing FC-1010-CS 1/4 NRT; Slide Bearing FC. Our erection crews can confidently install over 8000 square feet of planking per 8-hr day. 800. The function of this entire bearing assembly is to dampen the vibration caused by traffic passing over the bridge. This allowed for working around the Knock Out Block. Direct Ship. The actual material of slide bearings can be: Teflon® - Pure Teflon® is typically a white solid material. 332. Eco-friendly material. 1/8" X 4" X 36" Korolath Bearing Strip. Lifting Equipment and Concrete Accessories. 25 specified by AASHO. ← Shim Strips → Bearing. (See photo to right, note fasteners in base)Slide Bearing - Tack Weld Expanded; Slide Bearing - Full Perimeter Expanded; Slide Bearing - w Holes and Slots Expanded; Slide Bearing - Side View Expanded; Slide Bearing Configurations; Slide Bearing FC-1010-CS; Slide Bearing FC-1010-CS 1/4 L; Slide Bearing FC-1010-CS 1/4 L SS; Slide Bearing FC-1010-CS 1/4 NRT; Slide Bearing FC. Used for placing and leveling precast panels, tilt slabs and other architectural or structural components. (1. . ) bond beam 0" to 4" lap in cell z-strap wall tie grouted rebar grouted in keyway bearing pad min. CanadianTireTeam. It is a hard plastic that can withstand over 4,500 psi. 1/4" X 4" X 6" Korolath Shims are engineered multipolymer plastic used to level support or fill small gaps in industrial and commercial applications. 3" bearing on korolath bearing pad in cell min. 50" Thick, . ELASTOMERIC BEARING PAD LAMINATED BEARING PAD PLACEMENT DIAGRAMS TABLE OF BEARING PAD DIMENSIONS 5 percent Max Bevel to match girder slope, Int bents Int bents Int bents 2" Hole for Dowel Girder & pad for Dowel 2" Hole 9 in this case. Profiles for New Concrete Stairs and for Steel Pans. Korolath® Shims are engineered, multipolymer plastic used to level, support or fill small gaps in industrial and commercial applications. R. 1/4" X 2" X 48" Korolath Bearing Strip. Bearing Pads and Shims / Korolath Shims. Cook, Ph. Heuvel4 ABSTRACT Precast load-bearing…Slide Bearing - Tack Weld Expanded; Slide Bearing - Full Perimeter Expanded; Slide Bearing - w Holes and Slots Expanded; Slide Bearing - Side View Expanded; Slide Bearing Configurations; Slide Bearing FC-1010-CS; Slide Bearing FC-1010-CS 1/4 L; Slide Bearing FC-1010-CS 1/4 L SS; Slide Bearing FC-1010-CS 1/4. Bearing_Pads_and_Shims. This important cost reducing step allows for a high quality product with very reasonable prices and fast delivery times. TTX and STX type bearings can use a filled or unfilled PTFE surface. Expertise in Manufacturing. FC-1025-CS 1/4" thick plate. In Stock. on korolath on korolath bond beam dowel grouted in block cell bond beam (not req'd. Several firm hits with a hammer will drive the plug in tight. The final registration deadline for all teams is 9/18/2023. Item #: KCHS1234. · 9 years ago. The wall is grouted and reinforced vertically as required, and the bars are lapped […]We would like to show you a description here but the site won’t allow us. The typical Slide Bearing design used in Steel Fabricating, whether Teflon®, Virgin PTFE or Fluorogold®, is 7/32” thick. 10. 800. Slide Bearing Kit - 12" x 12" FC-1010-CS 10 ga Carbon Steel 3/32" thick PTFE (Teflon®, Fluorogold®) 6 pcs. beam korolath bearing pad cantilever bearing pad min. 3 “Bend Section – The bent section of bent anchor bolts shall have a cross-sectional area not less than 90% of the area of straight portions. Panel Pads . Bagman2524: Pay particular attention to such things as the modulus of elasticity, compressive strength, bearing strength, creep, etc. Korolath Bearing Strips. Add to wishlist. Rizkalla', M. Hex head measures 1/2” across flats. Bearing Pads and Shims / Korolath Shims. Bearing Pads and Shims / Korolath Shims. BEARING STRIP 1/8" X 3" X 48" KOROLATH. 1/8" X 3" X 36" Korolath Bearing Strip. 25 kN Horizontal force per girder: FS = (445/2) x 0. As shown in the drawing above, the upper element, as the movement element, is usually longer and wider than the lower element which is stationary.