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  • SLOPE FACE STABILIZATION FOR CRITICAL SLOPE SURFACES

    For simplicity, this paper will address common embankment slope construction gradients of 1:2, 1:1.5 and 1:1 (V:H typical) and steeper. When working in tight areas or in wildland areas with steep terrain, embankment construction can be difficult due to limited access and room. Additionally, there may be sensitive habitat contiguous to the

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  • Soil Strength and Slope Stability

    Observed Behavior of an Embankment Constructed in Stages 178 Discussion 179 ANALYSES TO BACK-CALCULATE STRENGTHS Back-Calculating Average Shear Strength Back-Calculating Shear Strength Parameters Based on Slip Surface Geometry Examples of Back-Analyses of Failed Slopes Practical Problems and Limitation of Back-Analyses Other Uncertainties

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  • Embankments - an overview | ScienceDirect Topics

    Jeff Hsi, James Martin, in Ground Improvement Case Histories, 2015. 5.4.1 Embankments. The embankments (generally 2–5 m high) located over soft ground were designed in such a way that stability of the embankment was maintained during construction and the long-term settlement of the embankment complied with the design criteria.. To meet the time constraints of the project, the …

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  • 5 Embankment Construction - IN.gov

    and lasting embankment which is absolutely necessary for a durable and safe highway. Different classifications of materials encountered, lift requirements, compaction methods, benching, density tests, moisture content, earthwork calculations, and Specifications relating to each particular area of embankment of construction will be discussed.

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  • Chapter 4: Construction Details, Section 19: Earthwork

    Measure the pay quantities of ditch excavation using the average end area method. Before excavation, determine if it is necessary to profile or cross-section original ground. 4-1906D Borrow Material. Before beginning work, verify the planned ground surface of excavations and the embankment area by measuring the ground surface.

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  • Category:203 Roadway and Drainage Excavation, Embankment

    Oct 22, 2021 · Description ( Sec 203.1) Roadway and drainage excavation is the material obtained from within the right of way, and from easements for channel revisions or from borrow. Materials include common earth, solid rock, detached boulders, or a combination of these materials (unclassified). It is used to construct embankments to required grade, line

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  • 12. DESIGN OF EARTHFILL EMBANKMENT DAMS

    Spillway Construction: New spillways should be cut in undisturbed ground. Sills should be made from Class 25 mass concrete, vibrated where possible. Rip-rap protection (lining) in the spillway should be compacted (by passing over the layer with a dozer) after placing. Good quality soil from the spillway excavation can be used for the embankment

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  • BIOTECHNICAL STABILIZATION OF STEEPENED SLOPES

    bioengineering methods (USDA, 1992). Brushlayering consists of inserting live, cut branches or brush between successive lifts or layers of compacted soil as shown in Figure 2. This process works best when done in conjunction with the construction of a fill slope. The tips of the branches protrude just beyond the face of the fill where they

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  • Road and Embankment Repair | FEMA.gov

    Jan 10, 2010 · Citation: FEMA-1671-DR-WA, Cowlitz County, Road and Embankment Repair, . Project Worksheet (PW) 687. Cross-Reference: Landslides, Pre-Disaster Condition Summary: FEMA initially prepared PW 687 for $306,509 to fund the restoration of Sunset Place Road and restore and stabilize the slope supporting the roadway. After a review of the PW, a geotechnical specialist determined that the …

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  • Strength of Materials for Embankment Dams

    May 07, 2016 · Embankment layers may become saturated during construction as a result of consolidation of the layers or by rainfall. Because of the low permeability of fine-grained soils and the relatively short time for construction of the embankment, there is little drainage of the water from the soil during construction: resulting in the development of

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  • NATIONAL ENGINEERING HANDBOOK SECTION 16 …

    relating to foundation and fill for the embankment and access for construction and maintenance. The following should be considered in the final dike location: 1. Construction on soils that provide the most favorable foundation conditions and the best embankment materials. The location of Class 111 dikes will generally be parallel with units of the

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  • Soil Reinforcement - an overview | ScienceDirect Topics

    Peter G. Nicholson, in Soil Improvement and Ground Modification Methods, 2015 14.1.1 History of Soil Reinforcement. In ancient times soil reinforcement consisted of mixing straw with mud, reinforcing with woven reeds, and using branches and other plant material to improve strength and capacity to support greater loads. Modern soil reinforcement uses stronger and more durable materials, but

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  • 6 Measurement and Earthwork Calculations

    Embankment fills are not paid for directly. The cost is to be included in the other pay items of the contract. In certain contracts, fills are payed for directly. Borrow is measured and paid for by the yd3. In most cases, borrow is cross-sectioned in the original position of the borrow before excavation begins and after excavation is completed.

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  • Design Standards No. 13 Embankment Dams

    Construction conditions.—The end-of-construction condition can be examined either by effective stress concepts or by undrained shear strength concepts. o. Effective stress shear strength envelope method.—The materials in the dam or foundation may develop excess pore pressures due to loading imposed by the overlying soil mass during

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  • Design Standards No. 13 Embankment Dams

    Design Standard No. 13 - Embankment Dams for specific methods or analyses, are presented for both earth and rockfill dams. These guidelines are limited to design procedures for rolled-fill type construction. This type of placement is now used almost exclusively in …

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  • Embankment lecture 1 - SlideShare

    Jan 08, 2014 · Embankment lecture 1. 1. EMBANKMENT DAMS MODULE II DESIGN OF HYDRAULIC STRUCTURE. 2. INTRODUCTION • An embankment dam, as defined earlier, is one that is built of natural materials. In its simplest and oldest form, the embankment dam was constructed with low-permeability soils to a nominally homogeneous profile.

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  • Application of Shrinkage and Swelling Factors on State

    May 05, 2013 · various state earthwork methods, demonstrate and compare earthwork calculations methods used in southeastern state departments of transportation (DOTs), and evaluate shrinkage and swelling factors used in southeastern state DOTs.

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  • Excavation in Construction from Construction Knowledge.net

    The Excavation Foreman generally focuses on the most efficient method to get his required work items done. Generally the excavator's goals can be visualized if the dirt were being moved with a stick; pushed from the high areas to the nearest low areas with a minimum of carrying. (or excavation) and fill (or embankment). Cut is defined as

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  • Mass-Haul Diagrams in Optimization of Earthwork …

    portion of the embankment volume, and the embankment construction is usually by special provision. Lightweight fills are most often used as a portion of the bridge approach embankment to mitigate settlement or in landslide repairs to reestablish roadways. 9.1.1 Site Reconnaissance General requirements for site reconnaissance are given in Chapter 2.

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  • SLOPE FACE STABILIZATION FOR CRITICAL SLOPE SURFACES

    For simplicity, this paper will address common embankment slope construction gradients of 1:2, 1:1.5 and 1:1 (V:H typical) and steeper. When working in tight areas or in wildland areas with steep terrain, embankment construction can be difficult due to limited access and room. Additionally, there may be sensitive habitat contiguous to the

    Learn More