Proof rolling standards
WebJun 17, 2016 · Make at least 2 coverages with the proof roller. Offset each trip of the roller by at most 1 tire width. Operate rollers at a speed between 2 and 6 miles per hour, as … WebJul 30, 2024 · During a proofroll, the inspector should have marking paint with them to identify unstable sub-grade locations. Once unstable locations have been identified, the …
Proof rolling standards
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WebApr 29, 2002 · 1) Typical sections, lines and grades must be shown on the plans. 2) Specify the type or types of lime to be used on the plans. 3) The percentage by weight or pounds per square yard of lime to be added must be shown on the plans. 4) Type of compaction must be specified on the plans (Ordinary Compaction or Density Control). WebPerform proof rolling as directed. Adjust the load and tire inflation pressures within the range of the manufacturer’s charts or tabulations, as directed. Make at least 2 coverages with the proof roller. Offset each trip of the roller by at most 1 tire width. Operate rollers at a speed between 2 and 6 miles per hour, as directed.
WebAug 20, 2007 · The proof roller unit, under working conditions, shall have a minimum contact width of 7½ feet (2.3 meters) and shall be so designed that the gross roller weight may be … Web2. All water and sewer lines will be tested before any proof roll is scheduled. 3. All utility crossings will be placed in the roadway ROW before any proof roll is scheduled. 4. The standard 50' ROW and an additional 10' behind road ROW (70' total) will be cleared and graded before any
WebStandard Specifications - Indiana WebProof Rolling 1. DESCRIPTION Proof-roll earthwork, base, or both to locate unstable areas. 2. EQUIPMENT 2.1. Specified Equipment. Furnish rollers that weigh at least 25 tons when …
WebUse this number of passes as the acceptable rolling pattern for the equipment used and soil type. 120-8.1.1.2 Production: Compact subsequent lifts using the accepted rolling pattern, then notify the Engineer 24 hours before proof rolling. Perform proof rolling with a minimum 12-cubic yard tandem axle dump truck, fully loaded with
Web16. Abstract. Proof rolling provides a method to examine the entire subgrade surface as a compliment to standard random acceptance testing. Proof rolling. requires established criteria that account for the interplay of equipment parameters and soil characteristics, technique, and other specifics of the. tech n9ne the beast downloadWeb• By the Book – Section 260 – Coverage of subgrade to 2 feet outside pavement • Gross weight of 48 to 50 tons • 4 pneumatic rubber tires • Tire inflation pressure of 68 to 72 psi sparsity and some basics of l1 regularizationWebTransportation Research Board sparsity penalty 是什么WebFurther to Standard Specification G2 Contract Management Plan, the Contractor’s Contract Management Plan (CMP) shall include: details of the equipment, rolling and inspection procedures to be used for proof rolling cross references between lot numbers allocated and the unique product number. R23.6 MATERIALS R23.6.1 General tech n9ne the rave milwaukeeWebThere is not a standard specification for proof-rolling. However, proof-rolling is required in Section 11—Industrial Floor Slabs, of ACI 301-20, “Specifications for Concrete Construction.”1 Specifically, Section 11.3.1 instructs the contractor to “Proof-roll prepared base in accordance with Contract Documents,” and the sparsity learningWebMay 1, 2005 · To be stable, the finished subgrade at the time of placing pavement layers must: a) Have a minimum IBV of 6.0, if untreated, and 10.0 if treated. b) Limit the maximum rut depth to 0.5 inch (12.5 mm) under all construction traffic, prior to pavement construction. c) Provide good support for placement and compaction of pavement layers. sparsityproportionWebA proof roll is an assessment of the subgrade layer prior to installing overlying pavement layers. The subgrade proof roll is a visual assessment to determine if it will enable the … tech n9ne the doors