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  • Guide Specification for Structural Shotcrete Walls

    2020-1-23 · This specification is for the construction of structural shotcrete walls using the wet-mix shotcrete construction process. 1.2 Qualifications The shotcrete Contractor’s crew foreman and nozzlemen shall meet the following requirements: 1. Furnish proof that the Contractor and shotcrete crew foreman have at least 5 years of experience in reinforced

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  • Frequently Asked Questions – HCM Group

    Shotcrete mixes are generally designed with a maximum nominal aggregate size of 14mm. Compared to a typical wall mix which is designed with a maximum nominal aggregate size of 20mm, a 14mm mix has a relatively higher cement paste demand.

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  • Shotcrete Testing— Who, Why, When, and How

    2020-1-23 · 30 x 30 x 3 in. (760 x 760 x 75 mm) and use reinforcing that models the size and complexity of reinforcement to be shot on the project. The orientation of the panels (horizontal, vertical, or overhead) should also match the orientation of the work on the project (refer to Fig. 2). Once the shotcrete has suciently hardened and aged, both types of test panels are then cored to …

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  • Best Practices of Using Shotcrete for Wall Fascia and ...

    2019-2-15 · 31. T334 (2016) “Standard Method of Test for Estimating the Cracking Tendency of Concrete ”. The inside steel ring is cut from a steel tube with industry (allowable in AASHTO standard) , and it has an out er diameter of 12.75 inch, a wall thickness of 1/2 ± 1/64 inch, and a height of 6 inch (Figure 3.7 a).

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  • 506R-16: Guide to Shotcrete

    2017-8-5 · shotcrete method from design to installation are developed. PART 1—GENERAL 1.1—Scope 1.1.1 Work specified (shotcreting processes)—The work should be classified as either structural or nonstructural. Shotcrete having a specified compressive strength of 4000 psi …

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  • Chapter 4: Construction Details, Section 53: Shotcrete ...

    Shotcrete is concrete that is pneumatically projected onto a surface. Shotcrete is used for facing of soil nail walls. Shotcrete may be used for lining ditches and channels, paving slopes, constructing warped sections, and structural elements. Shotcrete may also be used for structural repairs. 4-5302 Before Work Begins. Before work begins, do the following: Review the contract to …

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  • SHOTCRETE APPLICATION MANUAL - CETCO

    2021-7-12 · On shoring walls to receive shotcrete, install Ultraseal BT with minimum 6' (150 mm) sheet edge overlaps fastened with both washer-head fasteners placed maximum 24' (600 mm) …

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  • Form-and-Pour to Shotcrete

    2020-1-23 · of structural shotcrete in thick, heavily reinforced sections has now extended to the east coast and across Canada ... size, weight, and complexity of onsite formwork are reduced, labor requirements are also mini- ... • Creating curved walls without the cost of building compli-

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  • Shotcrete Panels for Evaluation and Testing

    2018-9-7 · Shotcrete • Summer 2016 11may vary in surface area from 50 in.2 (3200 mm2) to over 300 in.2 (19,000 mm2). I suggest a min-imum 6 in. (150 mm) diameter core for best evaluation of the shotcrete in congested test panels. This size core will help prevent the core from breaking during the coring operation and will also have more surface area for evaluation.

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  • Shotcrete - an overview | ScienceDirect Topics

    Reinforced shotcrete lining with a minimum thickness of 7 cm was carried out to protect rock cut slopes from further weathering. Flexible steel wire nets were used as reinforcement. The shotcrete (i.e., a version of a cast-in-place concrete wall) has high strength, durability, excellent bond, and limitless shape possibilities.

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  • Structural Shotcrete - Integrity Shotcrete Inc.

    2021-5-9 · Structural Shotcrete Walls. There is a growing trend in North America toward the use of shotcrete with conventional reinforcing to construct permanent structural walls (in lieu of conventional formed and cast-in-place concrete).

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  • Structural Walls – Thorcon Shotcrete

    Structural Walls. Thorcon Shotcrete and Shoring, through its geotechnical engineering knowledge and experience building designed and design-build walls, has perfected the ability to create cost-effective structural walls. The wall can be constructed from a top-down or bottom-up approach depending on the site requirements and area of influence.

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  • INSPECTION REQUIREMENTS: SHOTCRETE

    2021-4-28 · Shotcrete shall be called out on the CPA approved set of plans. If not, the engineer of record shall revise plans to include shotcrete. Revisions must be CPA approved. The approved plans shall include (CBC 1901.5, CBC 1908.4): o Shotcrete wall details for reinforcement size o Minimum clearances between parallel bars,

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  • Best Practices of Using Shotcrete for Wall Fascia and ...

    2019-2-15 · Shotcrete fascia walls are structural earth retaining components for soldier pile and soil nail walls. This method of construction has become attractive and potential to holds replace cast -in-place (CIP) concrete for elements like retaining walls and slope stabilization, if its economic benefits and good long-term performance are demonstrated.

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  • Structural Shotcrete - Hardrock Concrete Inc.

    Structural shotcrete is a method of concrete application and widely used in the mining and tunnelling industry. Structural shotcrete construction is also becoming increasingly used in commercial, industrial and residential projects.. In the shotcreting process, compressed air is used to force concrete through a hose directly onto the required surface.. The high pressure used in …

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  • Introduction of Revised Specification for Shotcrete and ...

    2017-8-5 · 506 Shotcrete Documents ‐Future Direction Encapsulation from Structural Engineer’s Perspective ‐Challenging Preparation of Contract Documents and Specification of Quality Assurance IBC 2009 ‐The International Building Code Maximum size reinforcement shall be # 5 bars unless demonstrated adequate.

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  • Shotcrete Contractors | Schnabel

    2021-7-8 · Shotcrete Contractors. One of the nation’s premier shotcrete contractors and specialty foundation companies, Schnabel provides tailored solutions for unique project challenges. When uneven surfaces complicate the construction process, Schnabel can install reliable shotcrete retaining walls to ensure the structural integrity of your project.

    Get Price
  • Shotcrete - an overview | ScienceDirect Topics

    Shotcrete is an “all-encompassing” term used to describe pneumatically projected concrete or mortar using either the dry-mix process or the wet-mix process. “Gunite,” an old term, refers only to the dry-mix process. In the dry-process (Fig. 12.1), bone dry cementitious mixture is blown to the nozzle through a hose where water is added by the nozzleman.

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  • Structural Shotcrete Systems, Inc. | LinkedIn

    Structural Shotcrete Systems, Inc. | 106 followers on LinkedIn. Starting in 1989, Structural Shotcrete Systems quickly became one of the major shotcrete installers in the Southern California ...

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  • Advances in sprayed concrete (shotcrete) - ScienceDirect

    2019-1-1 · For wet-mix shotcrete, while the water/cement ratio is the same as the one in the initial mix, strengths can sometimes be as much as 30% lower than its cast counterpart (Banthia, Trottier, & Beaupré, 1994). Shotcrete has richer mixes to begin with and, during the process of shooting rebound of aggregate, renders the mixes even richer.

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  • Shotcrete — McDowell Concrete LLC

    Structural Shotcrete Retaining wall in SW Portland. Why Shotcrete? The versatility of shotcrete makes it an excellent alternative to traditional cast-in-place concrete walls. Shotcrete usually only needs one sided forms or no forms at all, making set up …

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  • Introduction of Revised Specification for Shotcrete and ...

    2017-8-5 · 506 Shotcrete Documents ‐Future Direction Encapsulation from Structural Engineer’s Perspective ‐Challenging Preparation of Contract Documents and Specification of Quality Assurance IBC 2009 ‐The International Building Code Maximum size reinforcement shall be # 5 bars unless demonstrated adequate.

    Get Price
  • Shotcrete Finish Walls - Buesing Corp

    2014-12-16 · Ontario. Shotcrete shoring offered cost savings, arising mainly from lower material costs, and economies related to the use of light construction equipment deployed with relative ease. Tied-back shotcrete walls were approximately 20 percent of the thickness of conventional shoring walls. Smaller equipment, lower

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  • Basement Shotcrete Walls | San Antonio | CCP Shotcrete ...

    2021-2-23 · Shotcrete Africa has all your Structural Wet-Shotcrete Solutions. Shotcrete is a more logical and efficient option for structural concrete applications. ... When the quantity, size, weight, and complexity of onsite formwork are reduced, labour requirements are also minimized. ... Creating curved walls without the cost of building complicated ...

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  • DESIGN, PREDICTION AND PERFORMANCE OF TIED BACK

    Shotcrete is an “all-encompassing” term used to describe pneumatically projected concrete or mortar using either the dry-mix process or the wet-mix process. “Gunite,” an old term, refers only to the dry-mix process. In the dry-process (Fig. 12.1), bone dry cementitious mixture is blown to the nozzle through a hose where water is added by the nozzleman.

    Get Price
  • Structural Wet-Shotcrete Solutions | Shotcrete South Africa

    GUNITE - SHOTCRETE - CONCRETE STRUCTURAL REINFORCEMENT – REBAR Pneumatically applied concrete 'Shotcrete' wet, or 'Gunite' dry, allows unlimited freedom of design ofswimming pool shape, size and water features. Swimming pool Shell Thickness and amount and size ofreinforcing steel (REBAR) can be adjusted to meet STRUCTURAL REQUIREMENTS which vary …

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  • Shotcrete — McDowell Concrete LLC

    Structural Shotcrete Retaining wall in SW Portland. Why Shotcrete? The versatility of shotcrete makes it an excellent alternative to traditional cast-in-place concrete walls. Shotcrete usually only needs one sided forms or no forms at all, making set up …

    Get Price
  • Introduction of Revised Specification for Shotcrete and ...

    2017-8-5 · 506 Shotcrete Documents ‐Future Direction Encapsulation from Structural Engineer’s Perspective ‐Challenging Preparation of Contract Documents and Specification of Quality Assurance IBC 2009 ‐The International Building Code Maximum size reinforcement shall be # 5 bars unless demonstrated adequate.

    Get Price
  • Chapter 4: Construction Details, Section 53: Shotcrete ...

    Shotcrete is concrete that is pneumatically projected onto a surface. Shotcrete is used for facing of soil nail walls. Shotcrete may be used for lining ditches and channels, paving slopes, constructing warped sections, and structural elements. Shotcrete may also be used for structural repairs. 4-5302 Before Work Begins. Before work begins, do ...

    Get Price
  • Shotcrete Panels for Evaluation and Testing

    2018-9-7 · the shotcrete placed can perform in their structural sections. Core evaluation can be very subjective, as stated previously, and it is extremely helpful to have the engineer doing the evaluation be familiarized with the shotcrete process. My prac-tice, which I’ve used successfully for years, is to submit shop drawings, check for workable mix-

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  • SHOTCRETE APPLICATION MANUAL - CETCO

    2021-7-12 · Shotcrete is concrete pneumatically projected onto a surface at high velocity. It is typically blown through a hand-held nozzle, af-ter all the ingredients are mixed to project specification. Using shotcrete for constructing property line below-grade structural walls has become more common over the last ten years.

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  • Shotcrete Contractors | Schnabel

    2021-7-8 · Shotcrete Contractors. One of the nation’s premier shotcrete contractors and specialty foundation companies, Schnabel provides tailored solutions for unique project challenges. When uneven surfaces complicate the construction process, Schnabel can install reliable shotcrete retaining walls to ensure the structural integrity of your project.

    Get Price
  • Gunite – Shotcrete – Concrete - Swimming Pool Plans -

    GUNITE - SHOTCRETE - CONCRETE STRUCTURAL REINFORCEMENT – REBAR Pneumatically applied concrete 'Shotcrete' wet, or 'Gunite' dry, allows unlimited freedom of design ofswimming pool shape, size and water features. Swimming pool Shell Thickness and amount and size ofreinforcing steel (REBAR) can be adjusted to meet STRUCTURAL REQUIREMENTS which vary …

    Get Price
  • Viewpoint: Use of Shotcrete Brings New Construction ...

    Shotcrete technology - Designing Buildings Wiki - Share your construction industry knowledge. Shotcrete is a mortar or high performance concrete conveyed through a hose and pneumatically projected at high velocity onto a backing surface. It is the force of this spraying action that leads to compaction of the concrete or mortar which then forms layers of concrete to the required …

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  • Shotcrete technology - Designing Buildings Wiki

    Agricultural Shotcrete Structural Walls Soil Nails and Micropiles ... Shotcrete Nozzleman Certification Programs July 21, 2016 The Price of Shotcrete Equipment in Colorado July 12, 2016 Thorcon on Facebook ... Max. file size: 256 MB. Thorcon Company is located in Littleton, Colorado. Our Team has a combined wealth of knowledge spanning more ...

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  • Shotcrete - Retaining Wall Constructions

    2021-2-22 · Shotcrete retaining walls comprise a special mix of high strength concrete being sprayed at high velocity using compressed air, to form a retaining structure, drain or a wall. Shotcrete Northern Beaches is a specialised construction method, but one of the most effective for:

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  • SHOTCRETE STRUCTURES, INC.

    SSG shotcrete has ACI certified nozzlemen in both wet mix and dry mix shotcrete processes and has the necessary experience to perform high quality shotcrete in any setting. We own all of our own equipment and have multiple crews who regularly deliver high quality results. All of our shotcrete work is considered structural concrete construction ...

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  • Shotcrete Contractor | SSG Shotcrete | Serving New England

    Shotcrete Applications And Projects. Ground Force is a design build geotechnical contractor delivering optimal risk management while presenting positive and comprehensive packaged solutions to extremely technical large scale projects performed to the highest standards and levels of quality control.

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  • Shotcrete - Shoring - Earth Retention | Ground Force Geotech

    2020-2-12 · *The terms shotcrete mockup panel, shotcrete test panel, shotcrete, and wet- and dry-mix shotcrete were added to Section 2.3—Terminology Table 3: Total air content for shotcrete (based on Table 19.3.3 in ACI 318-191) Mixture type Sampling location Target air content, % F1 F2 F3 Wet-mix shotcrete Before placement 5.0 6.0 6.0

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  • Shotcrete Incorporated into ACI 318-19 Building Code

    The size and location of structural elements, reinforcement and anchors. ... Ordinary reinforced concrete structural walls and ordinary precast structural walls need not satisfy any provisions in Chapter 18. ... Shotcrete is mortar or concrete that is pneumatically projected at …

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  • Chapter 19: Concrete, 2020 Building Code of New York

    M.A. Murray, in Failure, Distress and Repair of Concrete Structures, 2009 11.5.3 Shotcrete. Shotcrete is a system by which mortar or concrete can be placed pneumatically. The shotcrete process has been around since 1910, starting out as a proprietary process known as ‘gunite’. Although the term shotcrete was first used in the 1930s and officially adopted by the American …

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  • What Is Shotcrete | Shotcrete & Concrete | Shotcrete ...

    URM walls before and after retrofitting using shotcrete. The principle in-plane failure mechanisms of URM walls subjected to earthquake actions can be summarized as …

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