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Last modified
11/23/2009 10:51:26 AM
Creation date
10/4/2006 9:39:40 PM
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Template:
Floodplain Documents
County
Statewide
Title
Rock Riprap Design for Protection of Stream Channels near Highway Structures volume 2
Date
1/1/1986
Prepared By
USGS
Floodplain - Doc Type
Educational/Technical/Reference Information
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<br />1000 . <br /> <br /> <br />4.0 <br /> <br />6000 <br /> <br /> <br /> 100 '- ISBASH 1.0 <br />(/) <br />C W = 2.44 X 10.5 VB <br />Z <br />::l <br />0 l- <br />e. w <br />:!: w <br /> u. <br />-0 z <br />It> 10 0.5 a:: <br />! w <br />W I- <br /> W <br />Z ~ <br />0 < <br />l- e <br />(/) <br />w W <br />N Z <br />Cii 0 <br />W I- <br />(!l 1.0 (/) <br />< EXPLANATION I- <br />a:: z <br />w w <br />> 0 FOREIGN. PROTO ...J <br /> < <br />< . BONNEVILLE FLUME 2: <br />u. <br />0 . BONNEVILLE CLOSURE ::l <br /> 0 <br />l- x COLUMBIA AIVEA PROTO W <br />::t: ... LOS ANGELES OIST. PROTO <br />(!l <br />W 0.1 0 ZUIDER zee PAOTO 0,1 <br />~ + PASSAMAQUODDY, MODEL <br /> 0 STILLING BASIN, MODEL <br /> t:" CHANNEL. MODEL <br /> . McNARY DAM. MODEL <br /> <br />0.01 <br /> <br /> <br />0,05 <br /> <br />. <br /> <br />NOTE: 1. Specific weight of rock = 1651b/ft3 <br /> <br />. 2. For stone protection below energy dlSSipators <br />use as average velocity across end sill. <br /> <br />0.03 <br /> <br />0,001 <br />, l' <br /> <br /> <br />5 10 20 30 40 50 60 <br />VELOCITY AGAINST STONE (V). IN FEET PER SECOND' <br /> <br />FIGURE 2. Comparison of procedures relating velocity to stone weight (adapted from EM-160l). <br /> <br />6 <br />
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