832.01 Preformed Joint Filler.
has attained the required strength. When permission is given to open the pavement to traffic, the covering material shall be removed and the pavement cleaned and swept. Earth or sand used in this method of curing shall be free of sticks, stones, or other matter which might injure the surface of the concrete. The material shall contain no ingredients which would be detrimental to the concrete or discolor the surface finish.
830.04 Straw.
Straw used as a supplement to the curing materials noted in Article 830.01 and 830.02 for cold weather protection shall be suitable for the purpose intended and approved each time it is used. PRECAST CONCRETE PRODUCTS
831.01 Description.
All precast concrete products, except precast non -prestressed concrete bridge members, shall be furnished from an approved producer that is participating in, and meeting the requirements given in ALDOT -364. ALDOT 364 is t he "Procedure for Inspection of Concrete Pipe, Precast Manholes, Precast Box Culverts, and Miscellaneous Precast Concrete Products". Producers of precast concrete products shall be shown in List I -8, PRODUCERS OF PRE -CAST CONCRETE PRODUCTS, of the Department's "Materials, Sources, and Devices with Special Acceptance Requirements" Manual. Information concerning this list is given in Subarticle 106.01(f) and ALDOT -355. SECTION 832 CONCRETE JOINT FILLERS, JOINT AND CRACKSEALANTS, AND WATERSTOP MATERIALS
832.01 Preformed Joint Filler.
a.General . Preformed joint filler units shall be furnished in one piece of the length, thickness, and depth shown on the plans for a complete joint, unless otherwise authorized by the Engin eer. When the use of more than one piece is authorized, the abutting ends shall be fastened securely and held accurately in place to correct shape by stapling or other satisfactory means. When a preformed filler is used with dowels or other protruding item s which must pass through the filler, clean -cut holes, accurately spaced and not more than 1/8 of an inch {3 mm} larger than the protruding item shall be provided. Damaged filler units shall be rejected. Joint fillers used in conjunction with expansion jo ints will require the use of a joint sealer in order to provide a functional joint. Sealants shall be one of the appropriate types specified in Article 832.02 or Subarticle 832.03(a), unless a specific type is specified by the plans.
b.Filler for Constru ction Joints in Bridge, Culvert, and Drainage Structures . Preformed bituminous joint filler for general use in bridge, culvert, and drainage structure work shall meet the requirements for one of the following "Types" unless a specific "Type" is required by the detailed plans: Type 1 - AASHTO M 33 Type 2 - AASHTO M 213, modified to allow a maximum of 25% water absorption.
c.Expansion Joint Filler . Expansion joint filler for concrete pavement, curb, gutter, combination curb and gutter, flumes, slope paving, and other miscellaneous concrete structures shall meet the requirements as given for one of the following materials :
1.AASHTO M 153,
2.AASHTO M 213 modified to allow a maximum of 25% water absorption, or
Source: Alabama Standard Specifications for Highway Construction, 2022 Edition. Pages 740–739 of 934.