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30 I-355 SOUTH EXTENSION Gouger Rd Cedar Rd Farrell Rd Rt 7 (159 th St) 349+67 (Rt 7/159 th ) 163 rd St 322+55 (163 rd ) 321+25 322+92 5/15/07--PCC Paving w/ Burlap Drag & Random Tran Tine 313+90 (Gou ger ) Tx #10 --Burlap Drag + Random Tran Tine 5/21/07--PCC Paving w/ Burlap Drag & Tran Tine 305+06 Tx #11--Burlap Drag + 1-in Tran Tine 5/14/07--PCC Paving w/ Burlap Drag & Tran Tine Division St 300+03 Tx #9--Burlap Drag + 0.5-in Tran Tine (GA Design) th ) (16 7 th St 293+55 (Division/167 5/22/07--PCC Paving w/ Burlap Drag & Tran Tine 285+92 Tx #2--No Pretexture + 0.75-in Long Tine 5/3/07--PCC Paving w/ Heavy Turf Drag Tx #1a--Heav y Turf Dr a g (ori g) 272+92 5/23/07--PCC Paving w/ Heavy Turf Drag & Long Tine TOLL 267+32 PLA ZA Tx #5b --Heavy Turf Drag + 0.75-in Long Tine TOLL 267+08 265+75 PLA ZA 266+08 5/23/07--PCC Paving w/ Heavy Turf Drag 5/2/07--PCC Paving w/ No Pretexture Tx #1b --Heavy Turf Drag (mod) Tx #3--No Pretexture + Long Grind 256+00 5/23/07--PCC Paving w/ Turf Drag & Long Tine Bruce Rd 240+08 Tx #5a--Std Turf Drag + 0.75-in Long Tine 241+97 (175 th St) 235+65 (Bruce ) 5/24/07--PCC Paving w/ Turf Drag & Long Tine 5/1/07--PCC Paving w/ Burlap Drag Only Tx #6--Std Turf Drag + Shallow 0.75-in Long Tine Tx #7--Burlap Drag + Long Groove 215+42 214+85 4/30/07--PCC Paving w/ Std Turf Drag Only 5/25/07--PCC Paving w/ Turf Drag & Tran Tine Tx #8 --Std Turf Dr a g + Lon g Groove Tx #12--Std Turf Drag + Skewed Random Tine (new ISTHA Std) 193+75 193+75 193+62 (end bri dge) 186+42 (begin bridge) Spring Creek T36N Figure 4-2. Concrete paving and texturing sequence. the resulting texture are shown in Figures 4-12 through 4-14. tions that were diamond ground to remove bumps or exces- The diamond groove textures were created using a bridge sive roughness). deck groover, equipped with a 30-in. (762-mm) diamond- blade cutting head. Figures 4-15 through 4-17 show the grind- Collection of Concrete Data ing equipment and produced texture. Concrete mixture design and materials/construction qual- ity data of the pavement were obtained from the project Establishing Test Segments QA/QC testing contractor. These data included the following: Figure 4-18 shows the location of the test sections on the Mixture Design site. Most test segments were 528 ft (161 m) long. Locations Aggregate type/source, properties. of the segments were chosen to provide a good representa- Cement content/water-to-cement ratio. tion of the specified texture and to keep clear of roadway fea- Slump. tures that could affect friction, texture, and noise measurements Gradation. (e.g., overpasses, overhead sign structures, embankments, loca- Compressive strength.

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Table 4-3. Details of concrete paving activities on South Extension. Date and Location, Time of Texture No. and Description Station/Direction Paving Weather Conditions Description of Texturing Operations 1a--Heavy Turf Drag 267+92 to 285+92 NB 5/3/07, Clear and Sunny, Turf drag pretexture created using 24-ft wide by 4-ft long polyethylene turf mat (orig) 6:00 am - Light to Moderate weighted down with 22-ft long 210 lumber. 4:00 pm Winds 1 pass--combined turf drag and curing compound spray (distance maintained (50 - 70F) behind paver = 50 to 125 ft). 1b--Heavy Turf Drag 266+08 to 256+00 SB 5/23/07, Clear and Sunny Turf drag pretexture created using 24-ft wide by 4-ft long polyethylene turf mat (mod) 6:00 am - Light Winds (am), weighted down with 22-ft long 210 and 22-ft long 26 lumber. 5:00 pm Moderate Winds (pm) 1 pass--combined turf drag and curing compound spray (distance maintained (58 - 88F) behind paver = 50 to 125 ft). 2--No Pretexture + 0.75-in. 300+03 to 272+92 SB 5/22/07, Clear and Sunny, No pretexture applied; longitudinal tining created using tines uniformly spaced Long Tine 6:00 am - Light to Moderate 0.75 in. (19 mm) apart. 7:00 pm Winds 2 passes--first pass for longitudinal tining, second pass for curing compound (56 - 86F) spray (distance maintained behind paver = 50 to 125 ft). 3--No Pretexture + Long 240+08 to 265+75 NB 5/2/07, Partly Cloudy, No pretexture applied; surface just floated and edged, and sprayed with curing Grind 6:00 am - Moderate Winds compound. 5:30 pm (50 - 72F) 5a--Std Turf Drag + 0.75-in. 256+00 to 241+97 SB 5/23/07, Clear and Sunny Turf drag pretexture and longitudinal tining created using (a) 24-ft wide by 4-ft Long Tine 6:00 am - Light Winds (am), long polyethylene turf mat (unweighted) and (b) longitudinal tines uniformly 5:00 pm Moderate Winds (pm) spaced 0.75 in. (19 mm) apart. (58 - 88F) 2 passes--first pass for combined turf drag and longitudinal tining, second pass for curing compound spray (distance maintained behind paver = 75 to 100 ft). 5b--Heavy Turf Drag + 272+92 to 267+08 SB 5/23/07, Clear and Sunny Turf drag pretexture and longitudinal tining created using (a) 24-ft wide by 4-ft 0.75-in. Long Tine 6:00 am - Light Winds (am), long polyethylene turf mat weighted down with 22-ft long 210 lumber and (b) 5:00 pm Moderate Winds (pm) longitudinal tines uniformly spaced 0.75 in. (19 mm) apart. (58 - 88F) 2 passes--first pass for combined turf drag and longitudinal tining, second pass for curing compound spray (distance maintained behind paver = 75 to 100 ft). 6--Std Turf Drag + 0.75-in. 241+97 to 214+85 SB 5/24/07, Clear and Sunny, Turf drag pretexture and longitudinal tining created using (a) 24-ft wide by 4-ft Shallow Long Tine 6:30 am - Moderate to Strong long polyethylene turf mat (unweighted) and (b) longitudinal tines uniformly 5:30 pm Winds (65 - 89F) spaced 0.75 in. (19 mm) apart. 2 passes--first pass for combined turf drag and longitudinal tining, second pass for curing compound spray (distance maintained behind paver = 75 to 100 ft). (continued on next page)

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Table 4-3. (Continued). Date and Location, Time of Texture No. and Description Station/Direction Paving Weather Conditions Description of Texturing Operations 7--Burlap Drag + Long 215+42 to 240+08 NB 5/1/07, Partly Cloudy, Burlap drag pretexture created using 24-ft wide by 4-ft long burlap section. Groove 6:00 am - Moderate Winds 1 pass--combined burlap drag and curing compound spray (distance maintained 7:00 pm (56 - 78F) behind paver = 50 to 125 ft). 8--Std Turf Drag + Long 193+75 to 215+42 NB 4/30/07, Clear and Sunny, Turf drag pretexture created using 24-ft wide by 4-ft long polyethylene turf mat Groove 6:00 am - Light Winds (unweighted). 7:00 pm (52 - 75F) 1 pass--combined turf drag and curing compound spray (distance maintained behind paver = 50 to 125 ft). 9--Burlap Drag + 0.5-in. 285+92 to 305+06 NB 5/14/07, Clear and Sunny, Burlap drag pretexture and transverse tining created using (a) 24-ft wide by 4-ft Tran Tine (GA design) 6:00 am - Light to Moderate long burlap section and (b) transverse tines uniformly spaced 0.5 in. (13 mm) 5:30 pm Winds apart. (54 - 90F) 2 passes--first pass for combined burlap drag and transverse tining, second pass for curing compound spray (distance maintained behind paver = 75 to 100 ft). 10--Burlap Drag + 305+06 to 321+25 NB 5/15/07, Clear and Sunny (am), Burlap drag pretexture and transverse tining created using (a) 24-ft wide by 4-ft Variable Tran Tine 6:00 am - Light Showers (pm) long burlap section and (b) transverse tines spaced according to dimensions given 3:30 pm Light to Moderate in Table B-1 in Appendix B (available on line). Winds 2 passes--first pass for combined burlap drag and transverse tining, second pass (58 - 79F) for curing compound spray (distance maintained behind paver = 75 to 100 ft). 11--Burlap Drag + 1-in. 322+92 to 300+03 SB 5/21/07, Clear and Sunny, Burlap drag pretexture and transverse tining created using (a) 24-ft wide by 4-ft Tran Tine (ISTHA Std) 6:00 am - Light Winds long burlap section and (b) transverse tines uniformly spaced 1.0 in. (25 mm) 6:00 pm (45 - 83F) apart. 2 passes--first pass for combined burlap drag and transverse tining, second pass for curing compound spray (distance maintained behind paver = 75 to 100 ft). 12--Std Turf Drag + 214+85 to 193+75 SB 5/25/07, Partly Cloudy, Turf drag pretexture and transverse tining created using (a) 24-ft wide by 4-ft Skewed Variable Tine 7:00 am - Light Winds long polyethylene turf mat (unweighted) and (b) transverse tines spaced 6:00 pm (56 - 72F) according to dimensions given in Table B-2 in Appendix B (available on line). 2 passes--first pass for combined turf drag and skewed transverse tining, second pass for curing compound spray (distance maintained behind paver = 75 to 100 ft). Note: Wind speed classification according to Beaufort wind speed scale (Light = 1-10 mi/hr, Moderate = 10-22 mi/hr, Strong = 22-33 mi/hr) 1 in. = 25.4 mm; 1 ft = 0.305 m; 1 mi = 1.61 km; C = 5/9(F-32) ISTHA=Illinois State Toll Highway Authority

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33 Figure 4-3. PCC paving. Figure 4-6. Heavy turf drag texturing. Figure 4-4. Longitudinal tining. Figure 4-7. Heavy turf drag finish (Section 1b). Figure 4-5. Longitudinally tined surface. Figure 4-8. 0.5-in (12.7-mm) transverse tining (Section 9).

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34 Figure 4-9. Shallow longitudinal tine (Section 6). Figure 4-12. Diamond grinding machine. Figure 4-10. Longitudinal tine with heavy turf drag Figure 4-13. Diamond-ground surface (Section 3). pretexture (Section 5b). Figure 4-11. Variable transverse tine (Section 10). Figure 4-14. Close-up picture of diamond-ground surface (Section 3).