Exhibit 1 Axle load effects on pavements: top, flexible pavements ...

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Figures + Diagrams:

Exhibit 1 Axle load effects on pavements: top, flexible pavements ...

Exhibit 2 ESAL for various vehicles

Exhibit 3 ESALs per million pounds of freight on flexible pavements: three- and four-axle trucks.

Exhibit 4 ESALs per million pounds of freight on rigid pavements: three- and four-axle trucks.

Exhibit 5 - ESALs per million pounds of freight on flexible pavements; 3-S2, 2-S1-2, 3-S2-2, and 3-S2-4 trucks.

Exhibit 6 - ESALs per million pounds of freight on rigid pavements; 3-S2, 2-S1-2, 3-S2-2, and 3-S2-4 trucks.

Exhibit 7 - Effects of single tires on pavements for 18,000-lb single axles [wander is in standard deviations]

Pages:

Page 2. Phase 1.1, Background.

Page 3, Section 1.2 [a] Axle Weights

Page 4, Section 1.2 [b] Tire Characteristics

Page 5, Section 1.2 (c) Suspension Systems

Page 6, Section 1.2; (d) Axle Spacing

Page 7, Section 1.2; (e) Liftable Axles

Page 8, Section 1.2; (f) Tridem Axles

Page 9, Section 2.1 Axle Weight Limits

Page 10, Section 2.2 Bridge Formula

Page 11, Section 2.3 - 80,000 Pound GVW Cap

Page 11, Section 2.4 Policies to Encourage Tridems

Page 11, section 2.5 Weight Limits Per Unit of Tire Width

Page 12, section 2.6 Turner Trucks

Page 13, section 2.7 New Approach Proposed by TRB Truck Weight Study

Page 14, section Section 3.0; Knowledge Gaps and Research Needs

Page 15, section 4.0 References for Pavements Working Paper

Exhibit 1 ... Axle load effects on pavements: top, flexible pavements (structural number 5, terminal serviceability = 2.5); bottom, rigid pavements (slab thickness = 10, terminal serviceability = 2.5) (AASHTO 1986).

	Exhibit 2, ESAL for various vehicles.»