Universal expansion joints without tie rods for absorbing axial, lateral and angular movements. Full name email would you like to be contacted about products in this catalog. Expansion joints shall also provide a relatively smooth riding surface between approach pavements and the structure, or adjacent structural elements. Proco rubber expansion joints are flexible connectors fabricated of natural or synthetic elastomers and fabrics, and if necessary metallic. The term fabric expansion joint is a little misleading, in that it covers a wider range of products and materials than just fabrics. To facilitate installation of expansion joints with acceptable misalignment, it is. Fabric expansion joints are used primarily to contain gaseous fluids. Situra waterproof expansion joints technical manual redline.
Widest linear gap a joint system tolerates and in which it performs its designed. Do not allow the redline 40g expansion joint fleece to get wet. This information is provided to help guide your selection. In general, expansion joint types are selected based on the amount of movement to be accommodated. Expansion joints are commonly designed to isolate structural elements from each other such as walls or columns from floors and roofs, pavements from bridge decks and piers, or where wall elements change directions. Use of these units either when improperly installed or beyond the pressuretemperature rating or vacuum rating may cause premature failure andor rupture. B6 guardian 306 ezflo garlock guardian 306 ezflo spooltype expansion joints feature an fep lining that is fused to the body of the expansion joint. Expansion joints are commonly made during construction but may be incorporated following construction if needed. Overlay each length of lead sheet to be joined on either lead wing of the ead expansion joint and trim the sheet on both sides, so that both overlays l e a minimum of 25mm in width. General expansion joints accommodate the expansion and contraction of bridges due to temperature variations. An expansion joint is a specially engineered product inserted in a rigid piping system to achieve. Our expansion joints are designed to last as long as the system. The flexible header of wabocrete ii coupled with wabosiliconeseal make it an ideal expansion joint system for the new construction or repair of existing joints.
For lower pressure applications a series2 expansion joint will provide increased movement capability. The displacement is restricted by the guide rod to prevent application of displacement exceeding the design value to the expansion joint. Design manual for roads and bridges part 6 bd 3394 addendum december 2000 1 nra addendum to bd 3394 expansion joints for use in highway bridge decks standard bd 3394 expansion joints for use in highway bridge decks is applicable in ireland with the following amendments. Expansion control systems for additional information about watson bowman acme products, please. Along with an anchor, each section of pipe will require at least two guides that will support the dead weight of the pipe, and still allow the pipe to move with the thermal expansion and contraction. The allowable movements shown are based on a minimum of 3000 nonconcurrent cycles. Expansion joint devices are designed to accomodate. This product is designed for the chemical processing and. Transverse joint design and spacing requirements are shown in the standard construction drawings. B1 in service to world industries since 1887, garlock has lead the production and implemention of the latest expansion joint technology for over fifty years. Situra waterproof expansion joints technical manual rev. Sealing problems and large space requirements of other expansion devices are eliminated with bellows expansion joints. Our expertise comfortably covers complete new applications, retrofitting upgrade equipment into existing spaces and providing readily available parts for any emergency.
Type of fabric expansion joint asiapacific supply co. Handling and installation expansion joints, whether ordered assembled, unassembled or as components, must be packaged to arrive at the job site in good condition. A pipe alignment guide is a form of sleeve or framework fas tened to some. Design criteria the materials comprising the expansion joint or seal should be capable of withstanding the normal and abnormal operating temperatures of the flue gas. Place and align the expansion joint into the system. Movement is always experienced in piping systems due to varying ambient temperatures, differences in temperature of materials handled, and differences in composition. Their purpose is to create a transition that maintains a high level of riding comfort for the vehicles and limits noise output from this. If the expansion joint is to be placed under plaster, a protective cover is essential. Expansion joints absorb this movement and mitigate the risk of.
The first invention, a metal hose which was developed and patented in 1885, was followed by a patent for the metal expansion joint in 1920. Take care when installing the expansion joint into the system to prevent any damage to the expansion joint, refer to section 2. Division 07 section joint sealants for liquidapplied joint sealants. This ensures the bellows function, protects against soiling and avoids contact. Joints shall be either the tooth expansion joint finger joint or elastomeric expansion dam.
Typical narrow arch expansion joint movementspring. Metal expansion joints simple bellow with welding ends it can absorb movements in any direction but it is mainly used for axial dilatations in longitudinal direct of straight pipe systems and low pressures. For concrete pavement relief expansion joints see standard plan cp01, standard plans for approach slab, and standard plans for concrete expansion joint for overlay projects. Because of this constant drive to improve, there is a wide selection of systems, materials and performance capabilities from which an owner or engineer may select. Expansion joints should not be stored near sources of heat. Figure 4 lateral expansion joints for lateral movement expansion joints to assimilate axial movements diverted into lateral movements. Expansion joints catalog technical manual na file classification. This leaflet is a joint publication of the european sealing.
The ideal storage location for an expansion joint is in a warehouse setting with a relatively dry and cool location. Triad bellows series1 expansion joints are manufactured with multiple layers of heavier gauge t321 ss material to achieve higher pressure ratings. The purchaser should, immediately upon receipt at the job site. Crete siliconeseal system is a high performance expansion joint system utilizing a dynamic twopart sealant between impact absorbing elastomeric concrete headers. The construction of the redflex expansion joints includes. The net effect is to reduce the shrinkage since there is no restraint. Situra waterproof expansion joints technical manual flamline.
Cicind manual for expansion joints and chimney seals page 5 1. The reaction forces of the expansion joint are absorbed by the fixed bearing. Ptfe expansion joints are used to compensate misalignment in piping systems. Expansion joint to assimilate axial and lateral movements. Bridge expansion joint guide april 2019 table of contents. Expansion joints and bearings september 2017 where practical and where additional protection for bearing assemblies and hinges is warranted, provide a secondary sealing system below the expansion joint assembly. Do not lay other boxes on top of the expansion joint or expansion joint box. Design manual for roads and bridges part 6 bd 3394 addendum december 2000 1 nra addendum to bd 3394 expansion joints for use in highway bridge decks standard bd 3394 expansion joints for use in highway bridge decks is applicable in. The industry has kept abreast of the technological advances in rubber compounding and synthetic fabrics to provide rubber expansion joints having advantages not available in other materials. Expansion joints technical manual fluid sealing products.
Expansion joints shall also provide a relatively smooth riding surface between approach pavements and the structure, or. Expansion joints guide module 1 boa general information. Axial expansion joints for low pressure exhaust with flanges. Added equations for calculating openingclosing movement and shrinkage movement to the selection criteria for compression seals, strip seals, and modular joints.
Manufacturers of expansion joints rubber expansion joints high resistance to corrosion, absorption of movements, vibrations and tensions mainly used in desalination, petrochemical, combined cycle, water pumping, phosphate plants, etc. Ptfe expansion joints are used to compensate for movement, misalignment andor vibration in piping systems. Expansion joints catalog technical manual na garlock. Situra waterproof expansion joints technical manual. Expansion joint barrel fixed rigid both expansion joint barrels fixed rigid one expansion joint two expansion joints installation 1.
All garlock expansion joint styles have been rigorously lab and fieldtested, and engineered to ensure long life and reliable service. Unaflex rubber expansion joints provide relief from stresses caused by thermal expansion and contraction in pipelines. The sliding and fixed points receive the stresses from the active bellows crosssection of the expansion joint in the event of pressure or vacuum. Situra waterproof expansion joints technical manual redline 40g waterproof expansion joint system description redline 40g waterproof expansion joint system is used for waterproofing expansion joints in struc tures, such as commercial and industrial buildings, parking garages, tunnels, etc. Metal expansion joints installation instructions keflex 1425 lake avenue woodstock, il 60098.
Compensation of axial expansion with expansion joints without tie rods. Penflex expansion joints are manufactured in accordance with the expansion joint manufacturers association ejma standards, 10th edition,astm b31. Metal expansion joints installation instructions pdf. Store expansion joints in a drycool location such as a warehouse. See special provision asphaltic plug expansion joint system. For an expansion joint to absorb the axial or lateral movements expansion or compression of a pipe, it must be arranged between two fixed points. Flamline 240 is manufactured from a proprietary copolymer with. It must be supported by anchorages a universal expansion joint is made of two single bellows separated by a central pipe and with. The expansion joints must also not be exposed to high externally radiated or accumulated heat. Store the expansion joint face down on a pallet or wooden platform. Fabric expansion joints installation guide montero fye. If alignment is not straight, the piston will bind and prevent the joint from working properly.
Chapter 9 bearings and expansion joints page 92 wsdot bridge design manual m 2350. Division 07 section fireresistive joint systems for liquidapplied joint sealants in fireresistive building joints. However, it is useful as a generic title for expansion joints which are nonmetallic, and used in ducts at low pressures. Expansion joint devices are designed to accomodate structure. Typical layouts showing reinforcement of oddshaped slabs and mismatched joints. Joints and bearings 142 2019 expansion joint devices shall prevent water, deicing chemicals, and debris infiltration to the substructure elements below. The modular expansion joint system shall 6 extend continuously across the full width of the bridge deck and up. Requires approval from the bridge design engineer administrator and for pilot projects only.
Design of spool type joints to over 10 foot 120 or 3m i. Situra waterproof expansion joints technical manual storage store rolls on end, on original pallets or elevated platform. The expansion joint should be mounted so that the piston can travel in a straight line within the barrel. E1 maintenance instructions for rubber expansion joints. All units meet the standards of the expansion joint manufacturers association ejma and military specification mile178. Installation instructions expansion joints boa group.
Size joints to meet the thermal, live load movement and shrinkage requirements translation and rotation in accordance with the current aashto lrfd bridge design specifications. Redflex expansion joints are reinforced with steel wire or solid steel reinforcing rings and synthetic fabric for additional strength. The expansion joint or seal should be designed to accommodate the maximum range of thermal. Typical narrow arch expansion joint movement spring. Witzenmann, the inventor of the metal hose and founder of the metal hose and expansion joint industry is the top name in this area. Expansion of building materials table with various expansion coefficients must be used for fascia and copings with consideration of both metal and substrate flat seam roof expansion guidance over 30 feet use batten seam design to allow for expansion copings and fascia also require joints that accommodate expansion between sections.
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