Proof rolling test report
WebPurdue e-Pubs Purdue University Scholarship Online WebThe proof rolling should be done immediately after the subgrade compaction operation, when the moisture content of the subgrade soil is near optimum or at the moisture …
Proof rolling test report
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WebMay 1, 2005 · The report will often indicate the soil problem areas. Treatment limits (length, width and thickness) as well as the most feasible treatment option (best suited to the soil type and condition) are often recommended in the project geotechnical report. These recommendations are also included in the contract documents. Web25K views 3 years ago Proof Rolling, a practice to examine the mass response of subgrade to vehicle-type loads before pavement layers are constructed. This is performed by driving …
WebLRRB – Minnesota Local Road Research Board WebApr 5, 2024 · The Ohio DOT says that a 35-ton roller with a tire pressure of 120 psi should be used on soil classified as A-3, A-4, A-6 and A-7. The aforementioned tire pressure and load …
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 varied uniformly from 25 tons to 50 tons (23 megagrams … Web• 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
Web3.4.1 Proof Rolling 3.5 SUBGRADE FILTER FABRIC 3.6 FILLING AND BACKFILLING 3.6.1 Common Fill Placement 3.6.2 Backfill and Fill Material Placement 3.6.3 Select Material Placement ... Location and record of soil borings and test pits. Include ground water observations and topsoil SECTION 31 23 00.00 20 Page 4. thickness encountered in …
WebPROOF TEST DOCUMENTATION REQUIREMENTS Proof Test Report The submission shall include a proof test report that describes the test, the instrumentation and the methods of … hot topic tokyo revengersWebProof Rolling Once the embankment is completed and immediately prior to subbase placement (or Immediately prior to final trimming of the subgrade surface and placement of subbase materials in cut sections), the subgrade surface must be proof rolled. The proof roller is a large box supported by four (4) pneumatic tires one axle. lines in poem definitionWebProof rolling may be done either before or after pipe underdrains are installed. If done after underdrains are installed, rolling should not be done directly over the underdrains. In … lines in printing canonWebTest Roll or Proof Rolling Inspections – The process of identifying any unsuitable material by moving a heavy vehicle over the subgrade or natural surface and observing the resultant deformation. Material which is observed to move under the loading of the machinery is deemed to be unsuitable material. lines in printerWebOct 30, 2015 · Digital pictures shall also be recorded.All test pits shall be properly filled and compacted to the specified density prior to further proof rolling tests.20Other Specifications173.03 TEST ROLLING(a) GeneralThe test rolling procedure submitted by the Contractor shall include details of when test rolling will be undertaken, the method of ... hot topic tracking orderWebrolling paths and the location of lots. Testing must be carried out immediately following completion of compaction. If testing is delayed by more than 12 hours, the surface layer … lines in printing epson 2720WebProof 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 project to allow for proper interpretation. hot topic tote bag