Roller Compacted Concrete Pavement: Design and Construction

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Expansive Soils <strong>and</strong> PI Relationships Degree Percent Swell Approximate PI Non-Expansive 2 or less 0 to 10 Moderately Expansive Highly Expansive 2 to 4 10 to 20 More than 4 20 <strong>and</strong> above
Page 1 and 2: Cement Stabilization of Soils Matth
Page 3 and 4: Concrete Concrete Soil--Cement Soil
Page 5 and 6: APPLICATIONS
Page 7 and 8: Construction Problems with Silts or
Page 9 and 10: Solutions for poor subgrade soils
Page 11 and 12: Benefits of Cement-Modified Cement
Page 13 and 14: Cement Reactions with Clay Primary
Page 15 and 16: Clay particle Negatively charged cl
Page 17 and 18: Secondary Reaction Clay participat
Page 19 and 20: Hydration clay particle clay-cement
Page 21 and 22: Ca(OH) 2 clay particle (SiO 2 , Al
Page 23 and 24: DESIGN
Page 25 and 26: ASTM C136 Standard Test Method for
Page 27 and 28: Hydrometer
Page 29: Plasticity Index (PI) The range of
Page 36 and 37: Standard Proctor Mold and Rammers
Page 38: Moisture/Density Relationship Dry D
Page 41 and 42: Wet-Dry Wet Dry Tests Three cement
Page 43 and 44: ASTM D516 Standard Test Method for
Page 45: ASTM D1633 Standard Test Method for
Page 49 and 50: CTB Strength Determination Unconfi
Page 51 and 52: Please keep in mind that strength a
Page 53: Study Soils Eight were clays, thre
Page 57 and 58: General Results of Christensen’s
Page 59 and 60: Tightly Bound Loosely Bound Viscous
Page 61 and 62: Using the Dielectric Probe dielectr
Page 63: Dielectric Value 18 16 14 12 10 8 6
Page 66 and 67: General Results of the Texas Transp
Page 79 and 80: Subgrades before and after CMS
Page 81 and 82:
Primary Testing Requirements Gradat
Page 83 and 84:
But what about strength? The object
Page 85 and 86:
CMS can be used as a subgrade for e
Page 87 and 88:
Summary: Cement-Modified Cement Mod
Page 89 and 90:
Full Full-Depth Full Depth Reclamat
Page 91 and 92:
Definition of Reclamation Method o
Page 93 and 94:
Inside a Reclaimer
Page 95 and 96:
Equipment and Materials Recycling v
Page 97:
Percent Growth (%) 700 600 500 400
Page 100 and 101:
Pavement Distress Rutting
Page 102 and 103:
Pavement Distress Moisture Infiltra
Page 104 and 105:
Texas Pavements Miles (x 1000) ' 15
Page 106 and 107:
Reclamation: A Logical Choice Agin
Page 108 and 109:
Advantages of Reclamation Save cos
Page 110 and 111:
Retards Reflective Cracking
Page 112 and 113:
Easy Construction Process! Design
Page 114:
Preconstruction Testing The proced
Page 118 and 119:
Mix Design Proportioning Obtain re
Page 121 and 122:
Strive for a Balance Between Streng
Page 123:
CONSTRUCTION
Page 129:
Pulverization Pulverize to require
Page 132 and 133:
Cement Spreading (Dry) Cement is s
Page 134 and 135:
Blending of Materials Cement is bl
Page 137 and 138:
Grading Material is graded to appr
Page 140 and 141:
Curing Water Bituminous Compound
Page 142 and 143:
Typical Recycled Base and Surface T
Page 144 and 145:
Quality Control Quality Control The
Page 146 and 147:
Micro-cracking Introduces a network
Page 148 and 149:
TESTING
Page 153 and 154:
Testing Density ASTM D 2922 AASHTO
Page 155 and 156:
Testing Stiffness
Page 157 and 158:
Engineering Benefits • Retards Re
Page 159 and 160:
Increased Rigidity Spreads Loads 10
Page 161 and 162:
Subgrade Stress (psi) 25 20 15 10 5
Page 163 and 164:
Reduced Fatigue Cracking Unstabiliz
Page 165 and 166:
Projects
Page 167 and 168:
“More Bang for the Buck” Began
Page 169 and 170:
$22,410 per mile 20 Days 8-hour d
Page 171 and 172:
New FM 1017 44 feet wide 12” st
Page 173 and 174:
City of Fort Worth FDR 1996: 296 la
Page 175 and 176:
US 79 Jacksonville 11-mile stretch
Page 177 and 178:
TxDOT - Amarillo The Amarillo Dist
Page 179 and 180:
TxDOT - Amarillo Construction proc
Page 181 and 182:
Successes TXDOT - Amarillo - IH-40
Page 183 and 184:
More Advantages Minimizes inconven
Page 185 and 186:
The BIGGEST Advantage! Versatility
Page 187 and 188:
Web Site: www.RecyclingRoads .org
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Roller Compacted Concrete Pavement: Design and Construction

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