Rock Riprap Sizes Weights
Riprap stone sizes vary from between four to nine inches, and the one chosen can largely depend on the purpose of the stone. Before getting started with your project, read this guide to riprap stone sizes to properly choose the size for your project. 4″ or 5″ Riprap Stone Uses. This riprap stone size …
Whatever your requirements, you 'll find the perfect serviceoriented solution to match your specific needs with our help.We are here for your questions anytime 24/7, welcome your consultation.
Online ChatNews List

The Complete Riprap Stone Sizes Guide
Riprap stone sizes vary from between four to nine inches, and the one chosen can largely depend on the purpose of the stone. Before getting started with your project, read this guide to riprap stone sizes to properly choose the size for your project. 4″ or 5″ Riprap Stone Uses. This riprap stone size …
Online Chat 
Caltrans Riprap Sizes Plainwater
a For any class, the percentage of rock smaller than the smallest rock size must be determined on the basis of weight. For all other rock sizes within a class, the percentage must be determined on the basis of the ratio of the number of individual rocks larger than the smallest size shown for that class compared to the total number of rocks.
Online Chat 
United States Army Corps of Engineers Engineering Manual
30 = stone size (ft) S f = safety factor (minimum of 1.1 recommended) C s = stability coefficient for incipient failure where layer thickness is 1 D 100(max) or 1.5 D 50(max), and D85/D15 between 1.7 and 5.2 C s = 0.30 for angular rock C s = 0.36 for rounded rock
Online Chat 
7.9 Design Guidelines Rock Riprap 7.9.1 Rock Riprap
the channel bank. For riprap installations, normally the maximum recommended face slope is 1V:2H. 7.9.3 Rock Size The stability of a particular riprap particle is a function of its size, expressed either in terms of its weight or equivalent diameter. In the following sections, relationships are presented for evaluating the riprap size required to resist particle and wave erosion forces.
Online Chat 
How Much Does a Cubic Yard of Rip Rap Weigh
Rip rap weighs between 1.5 and 2.0 tons per cubic yard. Rip rap varies in weight because smaller sizes of rip rap can pack more stone into each cubic yard. Rip rap is crushed stone that has been separated by size; it comes in various size categories. Each size category is defined by the diameter of the stones, such as 4 inches or 9 inches.
Online Chat 
Rip Rap volume to weight conversion AquaCalc
Rip Rap weighs 1.602 gram per cubic centimeter or 1 602 kilogram per cubic meter, i.e. density of rip Rap is equal to 1 602 kg/m³. In Imperial or US customary measurement system, the density is equal to 100 pound per cubic foot [lb/ft³], or 0.926 ounce per cubic inch [oz/inch³] .
Online Chat 
Design Standards No. 13 Embankment Dams
7.3.5 Riprap Weights and Thickness ..... 718 7.3.6 Riprap Gradation ..... 719 7.3.6.1 The “20Percent Band” ..... 720 7.3.6.2 A “35Percent Band” ..... 723
Online Chat 
Design Guide 6 USDA
901.02.01 Stone for Riprap Class of Riprap Size in Weight Approximate Diameter Percent of Total by Weight 0 Heavier than 33 lb Heavier than 10 lb Less than 1 lb 7 Inches 4 Inches 2 Inches 0 50 10 max I Heavier than 150 lb Heavier than 40 lb Less than 2 lb 12 Inches 8 Inches 3 Inches 0 50 10 max II Heavier than 700 lb Heavier than 200 lb
Online Chat 
STANDARD AND SPECIFICATIONS FOR RIPRAP SLOPE
Gradation – Riprap should be a wellgraded mixture with 50% by weight larger than the specified design size. The diameter of the largest stone size in such a mixture should be 1.5 times the d50 size with smaller sizes grading down to 1 inch. The designer should select the size or sizes that equal or exceed that minimum size based on riprap
Online Chat 
Aggregates  Fine Base Coarse Rip Rap  Martin Marietta
Fine aggregate, often referred to as sand, screenings, or rock dust, is engineered for use in asphalt concrete, and select backfill, as well as many other construction applications. Size Range: 3/16" and Smaller; Other DOT and Special Sizes Available
Online Chat 
Caltrans Riprap Sizes Plainwater
a For any class, the percentage of rock smaller than the smallest rock size must be determined on the basis of weight. For all other rock sizes within a class, the percentage must be determined on the basis of the ratio of the number of individual rocks larger than the smallest size shown for that class compared to the total number of rocks.
Online Chat 
WISCONSIN CONSTRUCTION SPECIFICATION 9. ROCK RIPRAP
The weight loss in five cycles shall not be more than 28 percent when tested by the sodium sulfate soundness test method in the modified ASTM C 88 or AASHTO T 104. rock size has been increased by 10 percent for a loss of 2023.9 percent or 20 percent for a loss of 2428 percent.
Online Chat 
How many tons of riprap are in one cubic yard? Pete Lien
The conversion for riprap varies by size but generally speaking, a conversion of 2 tons per cubic yard is sufficient. Limestone has an in situ unit weight of approximately 160 pounds per cubic foot but voids on average reduce the unit weight of riprap to closer to 150 pounds per cubic foot.
Online Chat 
Rip Rap volume to weight conversion AquaCalc
Rip Rap weighs 1.602 gram per cubic centimeter or 1 602 kilogram per cubic meter, i.e. density of rip Rap is equal to 1 602 kg/m³. In Imperial or US customary measurement system, the density is equal to 100 pound per cubic foot [lb/ft³], or 0.926 ounce per cubic inch [oz/inch³] .
Online Chat 
RIPRAP CLASSIFICATION SPECIFICATIONS
CLASS 5 RIPRAP No more than 10% of the stone will have a diameter greater than thirty four (34) inches; no more than 50% of the stone will have a diameter less than twenty seven (27) inches; and no more than 10% of the stone will have a diameter of less than sixteen (16) inches.
Online Chat 
Riprap
Table 1 lists some typical riprap by weight, spherical diameter and corresponding rectangular dimensions. These stone sizes are based on an assumed specific weight of 165 lbs./ft3. Table 1 Size of Typical Riprap Stones Mean Spherical Typical Rectangular Shape Weight Diameter Length Width, Height (lbs) (in) (in) (in) 50 10 18 6 100 13 21 7
Online Chat 
Rip Rap Rock: The Complete Guide
Rip Rap Rock Sizes. Rip rap stone comes in different sizes, all of which are manufactured to suit specific needs. You’ll find that each size group is ideally suited to different tasks. Here’s a closer look at the capabilities of each: 4″5″ At 4″5″ in size, this is the smallest type of rip rap stone that is available.
Online Chat 
Design Standards No. 13 Embankment Dams
riprap rock weight). • A maximum W: 50: of 2,000 pounds and a minimum W: 50: of 160 pounds is ... Procedures for determining adequate riprap sizes, gradation, and bedding requirements are discussed. ... Design Standards No. 13: Embankment Dams . Chapter 7: Riprap Slope Protection . the . Design .
Online Chat 
Riprap Design and Construction Guide British Columbia
Figure 34: Riprap Size and Weight for a Specific Weight of 2.65 Typically, the rock used for riprap is not spherical and its shape lies between that of a sphere and a cube (Figure 34). In that case Eq. 3.1 will underestimate the actual weight of a rock of a specified baxis diameter.
Online Chat 
STANDARD AND SPECIFICATIONS FOR ROCK OUTLET
The minimum thickness of the riprap layer shall be 1.5 times the maximum stone diameter for d50 of 15 inches or less; and 1.2 times the maximum stone size for d50 greater than 15 inches. The following chart lists some examples: Stone for riprap shall consist of field stone or rough unhewn quarry stone.
Online Chat 
SECTION 31 37 00 RIPRAP BOULDERS AND BEDDING PART
Revised 10/2017. 31 37 00  3 2. The riprap designation and total thickness of riprap shall be as shown on the DRAWINGS. The maximum stone size shall not be larger than the thickness of the riprap. 3. Neither width nor thickness of a single stone of riprap shall be less than onethird (1/3) of its length.
Online Chat 
Boulder Weights Calculations Granite Express
Boulder Weights Calculations 5X4X2 4000 2.00 *** The above calculations are approximate and intended for general reference only. All numbers must be verified by contractor. SSSSizeiizzeeize Pounds Tons 1X1X1 100 0.05 2X1X1 200 0.10 2X2X1 400 0.20 2X2X2 900 0.45 3X1X1 400 0.20 3X2X1 600 0.30 3X2X2 1200 0.60
Online Chat 
RIPRAP
• SF = 1  1.2 for uniform flow, no impact from wave or floating debris and complete certainty in design parameters • SF = 1.3  1.6 for gradually varying flow with moderate impact from debris or waves • SF = 1.6 – 2 for rapidly varying or turbulent flow, significant impact from debris or …
Online Chat 
Riprap RR Dyersburg TN
Gradations are commonly specified in terms of a specified percentage by weight being smaller than a diameter. 20 of at least 6 inches. This means that for Class B riprap, 20% of the stones, by weight, would be 6 inches in diameter or larger. 100 would be the largest allowable size for any specified gradation.
Online Chat 
WISCONSIN CONSTRUCTION SPECIFICATION 9. ROCK RIPRAP
The weight loss in five cycles shall not be more than 28 percent when tested by the sodium sulfate soundness test method in the modified ASTM C 88 or AASHTO T 104. rock size has been increased by 10 percent for a loss of 2023.9 percent or 20 percent for a loss of 2428 percent.
Online Chat 
Density of Rip Rap in 285 units and reference information
Density of Rip Rap (material) weighs 1 602 kg/m³ (100.00959 lb/ft³) and reference The search results include links to various calculator pages associated with each found item.
Online Chat 
Riprap calculator rock sizing Isbash equation erosion
Riprap is used for erosion control, to prevent scour, and to minimize sediment transport in rivers and streams. A stable riprap rock size is desired. The Isbash equation computes the smallest diameter stone D having specific gravity S that if dropped in water flowing at velocity V will settle and remain stationary on the channel bed (Blevins ...
Online Chat 
Riprap
A well graded mixture of rock sizes should be used for riprap rather than rocks of a uniform size. Rock riprap sizes are specified by either weight or diameter. Stone should be hard, angular, weatherresistant; specific gravity at least 2.5.
Online Chat 
Riprap RR Dyersburg TN
Gradations are commonly specified in terms of a specified percentage by weight being smaller than a diameter. 20 of at least 6 inches. This means that for Class B riprap, 20% of the stones, by weight, would be 6 inches in diameter or larger. 100 would be the largest allowable size for any specified gradation.
Online Chat 
Item 432 Riprap
800 460–720 175–300 25 24 in. 1,000 550–850 200–325 30 30 in. 2,600 1,150–2,250 400–900 40 1. Defined as that size such that 10% of the total riprap stone, by weight, is larger and 90% is smaller. 2. Defined as that size such that 50% of the total riprap stone, by weight, is larger and 50% is smaller.
Online Chat