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2010 Construction and Material Specifications - Ohio Department of ...

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706.05<br />

class. Ensure that the markings are legible <strong>and</strong> indented in the pipe section or<br />

painted on with waterpro<strong>of</strong> paint.<br />

TABLE 706.04-1 DESIGN REQUIREMENTS FOR HORIZONTAL<br />

ELLIPTICAL PIPE<br />

Equivalent<br />

Round<br />

Size<br />

(in)<br />

Rise (in)<br />

×<br />

Span (in)<br />

Minimum<br />

Wall<br />

Thickness<br />

(in)<br />

Minimum Reinforcement<br />

(in 2 /ft)<br />

HE-II HE-III<br />

D-Loads<br />

0.01=1000 0.01 = 1350<br />

Utl. = 1500 Utl. = 2000<br />

78 63 × 98 8 3 lines totaling 0.87 3 lines totaling 1.23<br />

84 68 × 106 8 1/2 3 lines totaling 0.97 3 lines totaling 1.33<br />

90 72 × 113 9 3 lines totaling 1.03 3 lines totaling 1.43<br />

96 77 × 121 9 1/2 3 lines totaling 1.13 3 lines totaling 1.54<br />

102 82 × 128 9 3/4 3 lines totaling 1.23 3 lines totaling 1.70<br />

108 87 × 136 10 3 lines totaling 1.43 3 lines totaling 1.85<br />

The test load in lb/ft equals D-load x nominal inside span in feet. Concrete<br />

strength=5000 psi.<br />

TABLE 706.04-1M DESIGN REQUIREMENTS FOR HORIZONTAL<br />

ELLIPTICAL PIPE<br />

Equivalent<br />

Round<br />

Size<br />

(mm)<br />

Rise (mm)<br />

×<br />

Span (mm)<br />

Minimum<br />

Wall<br />

Thickness<br />

(mm)<br />

Minimum Reinforcement<br />

(cm 2 /m)<br />

HE-II HE-III<br />

D-Loads<br />

0.03 = 50.0 0.03=65.0<br />

Utl. = 75.0 Utl.=100.0<br />

1950 1585 × 2495 200 3 lines totaling 18.4 3 lines totaling 26.0<br />

2100 1705 × 2690 213 3 lines totaling 20.5 3 lines totaling 28.2<br />

2250 1830 × 2880 225 3 lines totaling 21.8 3 lines totaling 30.3<br />

2400 1950 × 3070 238 3 lines totaling 23.9 3 lines totaling 32.6<br />

2550 2075 × 3265 244 3 lines totaling 26.0 3 lines totaling 36.0<br />

2700 2195 × 3455 250 3 lines totaling 30.3 3 lines totaling 39.2<br />

The test load in kN/m equals D-load x nominal inside span in mm. Concrete<br />

strength=34.5 MPa.<br />

706.05 Precast Reinforced Concrete Box Sections. Provide precast<br />

reinforced concrete box section conforming to ASTM C 1577, with the following<br />

modifications:<br />

Ensure that manufacturers <strong>of</strong> precast concrete members are certified by the<br />

Laboratory according to Supplement 1073.<br />

6.2.1 Provide cement according to 701, except 701.07.<br />

6.2.2 Provide fly ash according to 701.<br />

6.3 Provide aggregates conforming to the quality requirements <strong>of</strong> 703.02.<br />

713

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