Prefabricated Retaining Wall Systems (PRWS) Approval …

Precast Gravity and Semigravity Retaining Wall Systems; ... for identifying all unique features of the PRWS and highlighting exceptions taken to the AASHTO LRFD Bridge Design Specifications. Note that no PRWS consisting of dry-cast modular units will be accepted for use as supporting a structure or roadway or as a wingwall due to …

Constructability assessment of cast in-situ, precast and modular …

At present modular construction for facilities or buildings today can be constructed to any size and any specification from a simple one to a multifaceted one. ... (2019–2020). The rate of inflation was also taken into account. For the precast and modular model [7], the rate of materials and labour are factored together. These rates …

Illinois Department of Transportation

Standard Specifications for Road and Bridge Construction, Section 522 For information regarding new system submittals, see pages 2 and 3. Page 2 of 3 Submittal Requirements for Evaluation and Pre-Qualification A. Scope Before a Precast Modular Retaining (PMR) wall system can be used on a Department project, the

Precast Modular Block Retaining Wall Specification

The base of the precast modular block wall excavation shall be within 2" (50 mm) of the staked elevations, unless otherwise approved by the Inspection Engineer. 5. Differential vertical settlement of the face shall not exceed 1' (300 mm) along any …

Leader in 3D Seamless Monolithic Modular Precast …

A pioneer with over forty five years of modular history. Three dimensional, seamless, volumetric construction modules. Beautiful homes and buildings in rapid time. An international multi award winning company, for environment, excellence in construction and innovation. GPS 3D Modular The way to build today & for the future

T-WALL® Precast Modular Retaining Wall Systems

T-WALL® is a gravity retaining wall system, consisting of modular precast concrete units and select backfill. The system is a simple proven solution for grade separation on …

Note: This guide specification should not be included …

PRECAST MODULAR BLOCK RETAINING WALL SECTION 32 32 16 - 1 Note: This guide specification should not be included entirely "as-is". Specification writers must edit areas in red which may or may not be relevant to a specific project or where mutually exclusive choices are referenced. SECTION 32 32 16 PRECAST MODULAR BLOCK RETAINING …

Applicable ASTM Standards for Precast Concrete

C1776 Standard Specification for Wet-Cast Precast Modular Retaining Wall Units C1778 Standard Guide for Reducing the Risk of Deleterious Alkali-Aggregate Reaction in Concrete C1786 Standard Specification for Segmental Precast Reinforced Concrete Box Sections for Culverts, Storm Drains and Sewers Designed According to AASHTO LRFD

Section 133423

1.1 SUMMARY. A. This section includes pre-engineered, prefinished modular precast concrete cells and related precast concrete elements, complete and in-place. Work …

Precast Modular Bridge Systems

Precast Modular Bridges are used in Accelerated Bridge Construction (ABC). ABC is bridge construction that uses innovative planning, design, materials, and construction methods in a safe and cost-effective manner to reduce the onsite construction time that occurs when building new bridges or replacing and rehabilitating existing bridges.

Precast Concrete Modular Buildings- Norwalk Concrete …

Precast Concrete Modular Buildings- Norwalk Concrete Industries. Fully outfitted and ready to put to work, we can deliver your communication building in a timely and cost effective manner. We offer a wide range of f ull-scope precast design services. Our team works directly with your team to come to the best solution for your park, business, or ...

STONE STRONG SYSTEMS SPECIFICATIONS FOR …

SPECIFICATIONS FOR PRECAST MODULAR BLOCK RETAINING WALL SYSTEM. (revised 9/17/18) PART 1: GENERAL. 1.01 Description. Work includes furnishing and …

Precast Modular Block Retaining Wall Specification

The base of the precast modular block wall excavation shall be within 2" (50 mm) of the staked elevations, unless otherwise approved by the Inspection Engineer. Differential vertical settlement of the face shall not exceed 1' (300 mm) along any …

GREEN PRECAST MODULAR SYSTEMS AND TECHNOLOGIES …

Green Precast Installation of the 360m2 took 1hour and 4 workers. Our installation was compared with the site next door using conventional flat panel precast, that had 45 men working 7 hours and installed 300M2. Welcome to our Green Precast systems and technologies Website and thank you for your interest in our organisation.

Precast Concrete Wall Systems

Precast concrete shear wall panels are used to provide lateral load resisting system when combined with diaphragm action of the floor construction. The effectiveness of precast shear walls is largely dependent upon the panel-to-panel connections. In some cases, precast panels are used as formwork for cast-in-place concrete.

Precast Modular Block Retaining Wall Specification

The minimum value of Tal for geogrid used in design of a reinforced precast modular block retaining wall shall be 2,000 lb/ft (29 kN/m) or greater. The minimum length of geogrid reinforcement shall be the greater of the following: 0.7 …

Gravix

Gravix® is accepted by 40 DOT's across the United States and expanding rapidly. Over 500,000 SF of Gravix already designed and installed in the U.S. and Canada. Cost reduction and time savings due to smaller (typically 3 to 4 man) crews/ precast. Onsite soils can often be utilized with the Gravix system (AASHTO Bin Wall Design …

STONE STRONG SYSTEMS SPECIFICATIONS FOR …

E. ASTM C1776 - Standard Specification for Wet -Cast Precast Modular Retaining Wall Units . F. ASTM D4318 - Standard Test Method s for Liquid Limit, Plastic Limit, and Plasticity Index ... D. Exposed faces of precast modular blockunits shall be reasonably free of chips, cracks, or stains when viewed from a distance of 10 feet (3 m). Page 3 of 8

GREEN PRECAST MODULAR SYSTEMS AND …

"Green Precast Modular Systems" the world wide Pioneer of the 3D, volumetric, monolithic concrete modular construction innovation since the 1980s. ... Each mould is an intricate piece of machinery, manufactured to Green Precast's patented design and specifications and is fully customizable, aside from its fixed internal dimensions. This ...

Forix Block Retaining Wall System | Nitterhouse Masonry

Forix Block. Forix is a concrete precast modular block retaining wall system. Forix Block are large in size yet economical in weight and engineering efficiency. The triangular geometry of the rear legs create an anchoring effect with backfill resulting in downward pressure on block units for stability. Forix blocks are capable of turning radii.

STONE STRONG SYSTEMS SPECIFICATIONS FOR …

SPECIFICATIONS FOR PRECAST MODULAR BLOCK RETAINING WALL SYSTEM. (revised 5/19/21) PART 1: GENERAL. 1.01 Description. Work includes furnishing and …

Retaining Walls With Proven Engineering

Precast Modular Block Design Manual, Vol. 1 - Gravity Walls. Your go-to resource for precast modular block walls. Includes discussions of theories required to understand PMB walls, explanations and examples of wall analysis and design, and deep dives into earth pressure theory.

The Leader In Precast Modular Block Retaining Walls …

KEY FEATURES. OUTSTANDING PERFORMANCE. Heavy live loads, including Cooper E-80 loading, are no prob-lem for the PC System. The unique, high-capacity positive …

STONE STRONG SYSTEMS SPECIFICATIONS FOR …

Dimension tolerances for precast modular blocks shall be +/- 3/16 inch for height, +/- 1⁄2 inch for length (along face), and +/- 1 inch for width (face to tail). Concrete for precast modular blocks shall have a minimum 28-day compressive strength of 4,000 psi. Entrained air content shall be between 5 and 7%.

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Modular Concrete Company. Phone +962 7 8867 6761. Phone +962 7 9797 8935. Phone +962 7 9629 0006. info@modularcc. A.Khawaja@modularcc.

SECTION 32 32 16 PRECAST MODULAR BLOCK …

u. ASTM C1240 - Standard Specification for Silica Fume Used in Cementitious Mixtures. v. ASTM C1611 – Standard Test Method for Slump Flow of Self-Consolidating Concrete. w. ASTM C1776 – Standard Specification for Wet-Cast Precast Modular Retaining Wall Units. x. ASTM D6638 – Standard Test Method for Determining Connection Strength …

Precast Concrete Buildings | Westcon Precast …

Precast Concrete Modular Buildings. Perfect for use as temporary worksite shelter, remote offices, or security stops, our modular shelters are an …

T-Wall®-Terre Armee's precast modular gravity retaining wall

With more than 850,000 m2 now installed, T-Wall® is used wherever conventional retaining walls, non-gravity cantilevered walls, anchored walls, mechanically stabilized earth (MSE) walls, and prefabricated modular walls are considered. Suited to build in areas having restrictive excavation limits, engineers specify this solution for building ...

Precast Modular Block Retaining Wall Specification

PRECAST MODULAR BLOCK RETAINING WALL Section 32 32 16 - 1 1/13/2016 . SECTION 32 32 16 . PRECAST MODULAR BLOCK RETAINING WALL . PART 1 – GENERAL . ... h. ASTM D1241 – Standard Specification for Materials for Soil-Aggregate Subbase, Base and Surface Courses. i. ASTM D1556 – Standard Test Method for …

DESIGN FOR MODULAR CONSTRUCTION

of 252 modular manufacturing firms, in 2017 the permanent modular construction industry drove about $7 billion in construction activity, and the estimated overall market share for permanent modular construction in North America rose to about 3.27 percent, up from 3.18 percent in 2016.

Gravity Retaining Walls with Large Precast Modular Blocks

With solid and hollow-core blocks ranging in weight from 1160-4,840 pounds (530-2190 kg) and width from 28-96 inches (710-2440 mm), Redi-Rock can help optimize designs and speed up installation for tall gravity walls. The Planter Block provides the largest batter option available in the Redi-Rock system, extending the setback to 16 5/8in (422mm ...

STONE STRONG SYSTEMS SPECIFICATIONS FOR …

Dimension tolerances for precast modular blocks shall be +/- 1/8 inch for height, +/- 1/8 inch for length (along face), and +1/2 to -1/4 inch for width (face to tail). Concrete for precast modular blocks shall have a minimum 28-day compressive strength of 4,000 psi. Entrained air content shall be between 5 and 7%.

Precast Modular Block (PMB) for Retaining Wall Systems

Precast Modular Block (PMB) - wetcast modular retaining wall block proof-rolling – several passes from a 10-ton smooth-drum vibra-tory roller or loaded tandem-axle truck used to compact subgrade soils and/or indentify any soft or loose pockets …

Precast Modular Block Retaining Wall Specification

specifications and product data from the manufacturer for the following: 1. Precast Modular Block System brochure 2. Precast Modular Block concrete test results …

STONE STRONG SYSTEMS SPECIFICATIONS FOR …

C. Dimension tolerances for precast modular blocks shall be +/- 1/8 inch for height, +/- 1/8 inch for length (along face), and + 1/2 to -1/4 inch for width (face to tail) . D. Concrete for precast modular blocks shall have a minimum 28-day compressive strength of 4,000 psi. Entrained air content shall be between 5 and 7%.

GUIDE SPECIFICATION FOR ARCHITECTURAL PRECAST …

Architectural Precast Guide Specification 2 03-01-16 Adjust list below to suit Project. Delete paragraph below if not listing type of units. B. This Section includes the following: 1. Architectural precast concrete cladding (and loadbearing) units. 2. Insulated, architectural precast concrete units. 3.