drawings typical of each system are listed in Figures 1--4. Pennsylvania Standard Joint Systems These systems basically consist of (a) open joints protected by armored neoprene or preformed neoprene compression seals, (b) metal plates with neoprene strips known as "strip seals" and anchored to the bridge deck, and (c) toothed bearing Bridge articulation and bearing specification The bridge designer should specify the expansion joints in a similar manner to bearings, giving details of characteristic and design values of displacements to the joint designer. Annex B of BS EN 1993-2 contains guidance for the preparation of a technical specification for expansion joints.
B) Elevation of Abutment 1) Bearing seat to centerline of utility blockout. C) Typical Section Through Abutment 1) Projection of piling into the concrete. 2) The vertical distance, from the top of concrete deck to the bearing seat measured at the centerline of girder and centerline of bearings CONSTRUCTION STANDARDS STANDARD DRAWINGS3. 01 2005 Rev. B Standard Designs Sitework Typical Water Crossing 4. 01 8000 Rev. B Design Standards Unified Soil Classification 5. 31 0001-1 Rev. A - Substation Standards Switching Diagram Operating Numbers Bus Configuration 6. 31 0001-2 Rev. B - Substation Standards Switching Diagram Operating Numbers Bus Configur ation 7. Centrifugal Pump Piping Design LayoutA typical horizontal centrifugal pump installation is illustrated in Fig.CPP1, CPP2, CPP3. Selection of the discharge pipe size is primarily a matter of economics. The cost of various pipe sizes must be compared to the pump size and power cost required to overcome the resulting friction head.
conclusively. A detail of an expansion joint shall always be provided in the same drawing or a reference shall be made to appropriate detail drawing. An expansion joint is usually marked with the abbreviation E.J.. b) Construction joints are usually drawn using a special thin dash cross line ( EXPANSION JOINT TYPICAL SECTION THRU FENCE expansion joint plan typical section thru fence pipe sleeve detail detail b detail c detail d junction "z" junction "y" junction "x" suspended post details 1 1 2 general notes 1 use with type b anchorage 2 7.58 lbs./ft. standard pipe 3" nom. dia. fence post:8'-0" max. spacing elevation a a fabric tie section a-a 1'-0" max. spg. fabric tie @ vinyl coated curb for junction "x". Installation Elastomeric Bearings Pads Based on d. a. Place the bearing at the predetermined locations when erectni g the superstructure. e. b. Remove the temporary restraints as directed by the bearni g manufacturer. f. c. Adjust the bearings as follows: Adjust the expansion bearings from the normal position at 60 °F (15 °C) to allow
WIND BEARING STUD FLOOR SLAB OUTER TOP TRACK JAMB STUDS BRIDGING WEB CUT-OUT WINDOW SILL BOTTOM TRACK INNER TOP TRACK Figure 1:Typical wind bearing stud wall with window opening. DRILLED EXPANSION ANCHOR OUTER TOP TRACK INNER TOP TRACK FLOOR SLAB WIND BEARING STUD Figure 2:Typical top track deflection detail for wind bearing studs. Standard design drawings WSDOT2-B-8 Preliminary Plan Example- Bridge with Staging - Typical Sections 2-B-9 Preliminary Plan Example- Bridge Replacement - Elevation Tables ( pdf 65 kb ) ( dwg 51 kb ) 2.3-A1-1 Bridge Stage Construction Comparison ( pdf 36 kb ) ( dwg 34 kb ) Thermal Movement Design Procedure for Steel and Bridge engineers commonly use sliding pot bearings for movements larger than 2.0 inches (50 mm) whereas elastomeric bearings could be used if the movements were smaller. Bridge engineers commonly shift from strip seals or compression joints to modular expansion joints when the range of movement exceeds 4 or 5 inches (100 to 125 mm).
TYPICAL SECTION 1 1 1 1 not shown Strip Seal Anchor Studs & Expansion System MOVEMENT TABLE EXPANSION LOCATION CONTRACTION (TH ERMAL) CONTRACTION MOVEMENT TOTAL RATED 10°F TEMP. "W"e AT 70°F JOINT WIDTH * DETAILS EXPANSION JOINT STRIP SEAL (T ERMAL) SECTION B-B (SHRINKAGE) 1 1 Joint Construction Top of Slab & (Typ.) Extrusion Steel 1