Strip Seal Expansion Joint STRIP SEAL EXPANSION JOINT
Part 1 — General
1.1 Section Includes
A.Strip seal expansion joint and sidewalk cover plate for bridge decks and approach slabs.
B.Modification of existing expansion joint system.
1.2 Related Sections
A.Section 03055: Portland Cement Concrete
B.Section 03211: Reinforcing Steel and Welded Wire
C.Section 03310: Structural Concrete
D.Section 05120: Structural Steel
1.3 References
A.AASHTO M 111 : Zinc (Hot -Dip Galvanized) Coatings on Iron and Steel Products
B.AASHTO M 169: Steel Bars, Carbon, and Alloy, Cold- Finished
C.AASHTO M 270: Structural Steel for Bridges
D.AASHTO/AWS D1.5 : Bridge Welding Code
E.ASTM A 793: Rolled Floor Plate, Stainless Steel
F.ASTM C 578: Rigid, Cellular Polystyrene Thermal Insulation
G.ASTM D 395: Rubber Property – Compression Set
H.ASTM D 412: Vulcanized Rubber and Thermoplastic Elastomers – Tension
I.ASTM D 471: Rubber Property – Effect of Liquids Strip Seal Expansion Joint
J.ASTM D 573: Rubber – Deterioration in an Air Oven
K.ASTM D 1149: Rubber Deterioration – Cracking in an Ozone Controlled Environment
L.ASTM D 2240: Rubber Property – Durometer Hardness
M.ASTM D 4070: Adhesive Lubricant for Installation of Preformed Elastomeric Bridge Compression Seals in Concrete Structures
N.ASTM D 5973: Elastomeric Strip Seals with Steel Locking Edge Rails Used in Expansion Joint Sealing
O.ASTM F 879: Stainless Steel Socket Button and Flat Countersunk Head Cap Screws
P.American Institute of Steel Construction (AISC)
1.4 Definitions
A.Strip Seal Expansion Joint System – Extruded elastomeric seal element inserted into and bonded to a steel extrusion.
1.5 Submittals
A.Detailed shop drawings of fabricated materials for review .
1.Include at least the following:
a.Joint assembly and installation procedures.
b.Required revisions or additions to concrete blockout details, concrete, reinforc ing steel , structural steel, and other components.
2.Provide the seal of a Professional Engineer (PE) or Professional Structural Engineer (SE) licensed in the State of Utah.
B.Materials
1.Certified Mill Test Report (MTR) for structural steel for information
a.Provide item number and name.
b.Refer to Section 05120.
C.Welding procedure specifications meeting AASHTO/ AWS D 1.5 for review . Strip Seal Expansion Joint
D.Certificate of Compliance for the Strip Seal Expansion Joint System for review
1.Welders and welding inspectors must meet AWS requirements.
E.Documentation of m anufacturer’s AISC certification for information
F.Manufacturer’s product data sheets and installation instructions for information
G.Quality Control submittals 1. Manufacturer’s technical representative information for review . Include at least the following:
a.The company name
b.The name, phone number, and documented experience of the technical representative.
2.Superintendent in charge of the S trip Seal Expansion Joint system installation experience for review .
a.Required when the manufacturer’s technical representative will not be on site during installation .
b.Include at least the following for at least two previous projects completed in the last 5 years: 1) Project name 2) Project location 3) Type and size of Strip Seal Expansion Joint System installed 4) Year of construction 5) Engineer of Record and owner contact information (phone and email)
H.Repair procedures recommended by the manufacturer for review.
1.Required when watertight integrity test fail s.
1.6 Quality Control
A.Provide a technical representative from the Strip Seal Expansion Joint system manufacturer for training and consultation.
1.Provide training in proper setting, gap sizing and bracing of the expansion joint system .
a.Train workers who will be installing the expansion joint system .
b.Coordinate training with the Engineer.
2.The manufacturer’s technical representative must be onsite during system setting, concrete placement and elastomeric seal installation. Strip Seal Expansion Joint
3.The Engineer may waive the requirement for the manufacturer’s representative to be on site if the C ontractor can demonstrate that the superintendent in charge of the work has performed at least two satisfactory installations of the expansion joint system within the last five years.
a.The manufacturer’s technical representative must be available for consultation throughout the duration of the installation.
b.The Department reserves the right to require the manufacturer’s technical representative to be onsite if the Engineer is concerned with the product installation quality.
Part 2 — Products
2.1 Materials
A.Concrete
1.Use Class AA( LSF) for new bridge decks and approach slabs. Refer to Section 03055.
2.Use Class AA(LS) for the concrete blockout in existing bridge decks and approach slabs. Refer to Section 03055.
3.Use Class AA(AE) for bridge parapets. Refer to Section 03055.
B.Reinforcing Steel
1.Use coat ed reinforcing steel according to Section 03211.
C.Rigid Plastic Foam
1.Use Type II or Type IX according to ASTM C 578
2.2 Strip Seal Expansion Joint System
A.Structural Steel
1.AASHTO M 270
B.Studs
1.AASHTO M 169
C.Lubricating Adhesive
1.Follow manufacturer ’s recommendation and ASTM D 4070.
D.Elastomeric Seals
1.Provide single layer strip type according to ASTM D 5973.
2.Do not splice elastomeric seals . Strip Seal Expansion Joint
3.Install elastomeric seals before shipping unless field splicing is shown.
4.Conforming to the properties listed in Table 1 Table 1 Property Requirement Test Method Tensile Strength 2000 psi ASTM D 412 Elongation at Break 250% ASTM D 412 Hardness, Type A Durometer 50 - 65 ASTM D 2240 * Oven Aging 70 hours at 212⁰F Tensile Strength Elongation Hardness 20% loss max 20% loss max 0 to +10 points ASTM D 573 Oil Swell, 70 hours at 212⁰F 45% ASTM D 471 Ozone Resistance, 70 hours at 104⁰F 20% strain, 300 pphm, in air No Cracks ASTM D 1149 Low Temperature Stiffening 7 days at 14⁰ F Hardness (Type A durometer) 0 to +15 points ASTM D 2240 Compression Set, 70 hours at 212⁰F 40% ASTM D 395 *As modified by ASTM D 5973. E The fabricator must be AISC certified as Certified Bridge Fabricator – Simple (SBR) or have AISC Bridge Component QMS Certification (CPT) .
F.Check the elastomeric seal and top of the extruded steel shape of each section for straightness after expansion joint and anchorage system fabrication.
1.Use a string line stretched taut from curb angle point to curb angle point.
G.Shop Tolerances
1.Do not deviate from the string line by more than ⅛ inch for steel surfaces .
H.Hot-dip g alvanize after fabrication according to AASHTO M 111 .
2.3 Sidewalk Cover Plates
A.Use plates conforming to ASTM A 793.
B.Use flat countersunk head cap screws conforming to ASTM F 879. Strip Seal Expansion Joint
Part 3 — Execution
3.1 Expansion Joint Modification Preparation
A.Prevent debris from falling into streams, pedestrian areas, traffic areas , and on railroad tracks.
B.Asphalt Removal
1.Make saw cuts at the offsets shown to define the removal area.
2.Remove asphalt surfacing in a manner that will not damage the concrete below .
C.Concrete Saw Cuts
1.Place the saw cuts at the offset s shown to define the work area.
2.Saw cut one inch deep into the concrete.
3.2 Concrete Removal for Expansion Joint Modification
A.Use jackhammer method to remove existing concrete.
1.Partial Depth Removal – Use 45 lb class hand operated jackhammers or smaller.
2.Full Depth Removal – Use 90 lb class hand operated jackhammers or smaller.
a.Use 45 lb class hand -operated jack hammer or smaller when removing conc rete within 6 inch of girders, diaphragms , and concrete regions that are to remain.
3.Operate jackhammers at an angle greater than 45 degrees as measured from the concrete surface.
B.Parapet
1.Make saw cuts one inch deep to define the work area.
2.Remove concrete using 90 lb class, hand -held jackhammers or smaller .
a.Prevent damage to electrical conduit where encountered.
C.Existing reinforcing steel
1.Use sandblasting to thoroughly clean reinforcing steel that remain s in place .
a.Remove corrosion and adhering materials.
D.New reinforcing steel
1.Place coated reinforcing steel after sandblasting operations are complete. Strip Seal Expansion Joint
3.3 Expansion Joint System Installation
A.Install expansion joint system according to the authorized shop drawings .
B.Prevent twists, bends, and warping when handling the expansion joint system .
C.Form the joint opening in the concrete using rigid plastic foam or as recommended by the manufacturer .
1.Anchor securely.
D.Use sandblasting to thoroughly clean concrete and steel surfaces .
E.Pressure wash the concrete surfaces to clean and saturate the concrete.
1.Remove standing water while maintaining a saturated surface.
2.Saturate the concrete surface again i f the surface shows signs of drying out.
F.Place and finish concrete.
1.Refer to Section 03310 .
G.Install elastomeric seals in the field after construction is complete if field splicing is shown.
H.Remove material from the joint opening before the watertight integrity test.
3.6 Field Tolerances and Watertight Integrity Test
A.Field tolerances for e xpansion joint
1.Re-examine steel surfaces for straightness and shop tolerance requirements after installing joint system in its final position and before placing concrete.
B.Final in-place tolerances for e xpansion joint
1.Re-examine the extrusion face after concrete placement.
a.Deviations from the string line of more than ¼ inch are not allowed.
b.The parallel extrusion faces must not deviate from each other by more than 1/8 inch at any location.
C.Test expansion joint system in the presence of the Engineer to verify that joint areas can hold a depth of at least three inches of water for one hour without leakage.
1.Follow authorized repair procedure and perform another watertight integrity test to verify watertight integrity. Strip Seal Expansion Joint
3.7 Sidewalk Cover Plates
A.Install sidewalk cover plates as shown.
Source: Utah Standard Specifications for Road and Bridge Construction, 2026 Edition. Pages 1163–1170 of 1,331.