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This guide contains a history of the development of mass concrete practice and discussion of materials and concrete mixture proportioning, properties, construction methods, and equipment. It covers traditionally placed and consolidated mass concrete for massive structures such as dams and provides information applicable to mass structural heavily reinforced concrete and for thermally controlled concrete such as bridge elements and building foundations. This guide does not cover roller-compacted concrete.
Keywords:
cement; cracking; fly ash; heat of hydration; mass concrete; mixture proportioning; supplementary cementitious materials; temperature rise; thermal control plan; thermal expansion; volume change.
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Concrete pavements and exterior flatwork generally provide excellent performance in all climates and exposures. Concrete durability is an essential component in delivering the return on investment that makes concrete an economical and sustainable material. In recent years, the industry has seen an increase in premature deterioration at joints and saw cuts in concrete pavements and flatwork in areas where winter storm events demand the application of deicing chemicals, which are most commonly chloride-based.
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This guide describes specific types of concrete deterioration. Each chapter contains a discussion of the mechanisms involved and the recommended requirements for individual components of concrete, quality considerations for concrete mixtures, construction procedures, and influences of the exposure environment, which are all important considerations to ensure concrete durability.
This guide was developed for conventional concrete but is generally applicable to specialty concretes; however, specialty concretes, such as roller-compacted or pervious concrete, may have unique durability-related issues that deserve further attention that are not addressed herein.
Keywords:
abrasion resistance; alkali-aggregate reaction; chemical attack; curing; deterioration; durability; freezing and thawing; physical salt attack; sulfate attack.
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Posted by: poolmand - 10-21-2023, 11:59 AM - Forum: ACI
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ACI-TMS CODE-122.1-21: Thermal Bridge Mitigation for Buildings Having Concrete and Masonry Walls and Masonry Veneer—Code Requirements and Commentary(SI and IN-LB units)
This code prescribes minimum design and construction requirements for mitigating thermal bridges in the building envelopes of new buildings and additions to existing buildings. It applies to buildings having concrete or masonry walls; masonry veneer, including veneer attached to frame walls; and balconies or components that extend through the building envelope. It also has criteria for metal thermal bridges in these buildings.
This code is applicable to commercial and mid- to high-rise residential buildings that use either electricity or fossil fuel (regardless of the generation source). It can be used with applicable energy codes and standards.
Keywords:
thermal bridge.
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Posted by: poolmand - 10-18-2023, 08:36 AM - Forum: CsiPlant
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CSiPlant v8.1.0 Build 1298 x64
Size: 487 MB
CSiPlant will automatically generate and apply seismic and wind loads based on various domestic and international codes.
Computers and Structures, Inc. (CSI) is pleased to announce the availability of CSiPlant 6.2.0 build 785. The next-generation pipe stress and plant design software which connects Piping Engineers and Structural Engineers, innovating how teams collaborate on a single model.
CSiPlant is an integrated engineering software product for analysis and design of piping systems and frame structures, including piping code compliance checks with stress-intensification and flexibility factors that are automatically calculated and applied.
Enhancements have been implemented in this exciting new product for the design of piping and structural systems. CSiPlant offers advanced analysis technology to the process, power, pipeline and offshore industries, and provides piping-code compliance checks with stress-intensification and flexibility factors that are automatically calculated and applied
CSiPlant uses elements, pipe support types, and modeling approaches familiar to piping and structural engineers in the process and power industries.
Drawing Capabilities
Piping and structural frame models can be rapidly created and modified using CAD-like drafting tools which snap to objects, grid intersections and global axes. In addition, CSiPlant offers automatic alphanumeric labeling of node points and elements, intuitive Insert and Assign commands, and keyboard shortcuts, enabling engineers to utilize a variety of modeling options to quickly build, modify, and review their analysis models.
Pipe Supports
Pipe supports include Anchors, Guides, Line Stops, Vertical Stops, Rod Hangers, Snubbers, and Spring Hangers.
Link Elements
CSiPlant offers multiple “link” element types to connect different points such that specialized structural behavior may be modeled. Linear and nonlinear properties can be assigned to each of the six degrees-of-freedom to define force-deformation relationships.
Nonlinear Load Sequencing
CSiPlant offers unlimited nonlinear load sequencing, also known as path-dependent loading, which considers the order of the loading. Since friction acts in different directions during startup vs. shutdown and other load states, sequenced loading, including sequenced thermal loading and unloading, is often needed to determine worst case reactions and stresses.
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In this post, you can download all AWS regulations and publications in one package. All books are OCR scanned and searchable. This exceptional package, comprising over 159 books, is unparalleled and not found anywhere else. To purchase this collection, you would normally spend over $4000. But here, you can obtain it for a remarkably small sum. Don't miss this limited-time special opportunity.
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Article/eBook Full Name:
ASTM D4186/D4186M-20e1 : Standard Test Method for One-Dimensional Consolidation Properties of Saturated Cohesive Soils Using Controlled-Strain Loading
Publish Date:
2021
Published By:
ASTM International
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With MicroStation, you can easily view, model, document, and visualize projects of any size or complexity. Use MicroStation to deliver projects smarter. With proven MicroStation technology, you can confidently take on any design, construction, or operations project. No matter what design information you are working with or what kind of deliverables are required, you can rely on MicroStation's flexibility and power to get the job done on time and on budget.
The MicroStation family of products provides traditional CAD capabilities and the power and versatility to precisely view, model, document, and visualize information-rich 2D and 3D designs of all types and scales, working for professionals in every discipline on infrastructure projects of every type.
As project requirements get more complex and the time to complete projects gets shorter, it can be difficult to deliver your drawings and CAD models on time. Shrinking budgets, compressed delivery schedules, and ever-increasing project scales and complexity mean that you should expect more from your design software. Manual CAD workflows and flat productivity are jeopardizing your competitiveness and, potentially, your reputation. You shouldn’t have to work harder and longer to deliver great projects—your computer-aided design software should work harder for you.
Whether you need more productive 2D drawing software or better applications for 3D CAD design, speeding up drafting and modeling doesn’t have to be a massive undertaking. Instead, regain your competitive edge by gaining the flexibility and power of BIM workflows without abandoning your familiar 2D drafting and CAD design skills. Save time and money by eliminating tedious, repetitive drawing workflows and, instead, collaborate reliably with any project participant, regardless what CAD file formats or CAD applications they use.
What is MicroStation?
MicroStation is the world’s leading 3D computer-aided design and visualization software for the architecture, engineering, construction, and operation of all infrastructure types.
Who can use MicroStation?
Architects, engineers, design professionals, and draftsmen can use MicroStation. From individual professionals to multinational design firms, leading project teams rely on MicroStation to confidently deliver projects, no matter the scale and complexity.
What benefits does MicroStation offer?
MicroStation is a comprehensive solution. As 3D CAD software that is used by leading design firms, contractors, and owner-operators around the world, it provides a range of capabilities: CAD drawing and design, 3D modeling, visualization, component management and mark up, and collaboration across disciplines. Users can do everything that they need without flipping back and forth through many different applications. While you don’t need to use the cloud services available within MicroStation, you can use them if you want to advance your productivity and competitiveness.
Capabilities
- Create project deliverables
Generate consistent, high-quality deliverables such as paper plots, reports, 2D/3D PDFs, i-models, and 3D physical models. Create annotation, display styles, and reports directly from the embedded properties of objects to ensure that they will always remain in sync with the design model during work-in-progress.
- Design in context
Clearly understand existing conditions and accelerate design modeling workflows with the ability to easily integrate imagery, point clouds, and 3D reality meshes into design and construction models. Integrate geospatial information to ensure that models are precisely geospatially located.
- Design with true 3D parametric modeling
Develop even the most complex design models with a wide range of design modeling tools, including surface, mesh, feature, and solid modeling. Build parametric functional components with predefined variations to easily find and manage many similar components. Use drawing extraction tools which automatically immerse drawings within models for improved clarity and streamlined documentation workflows.
- Enforce standards
Ensure the proper application of organizational and project-specific standards and content. Apply templates to control geometry and data standards such as styles for dimensions, text, lines, detail symbols, and more. Once designs are complete, use automated tools to check drawings for standards compliance. Discover how you can manage design changes and drawing standards, and control and protect files.
- Lay out and annotate drawings
Create precise drawings using a comprehensive set of drafting tools to rapidly progress your designs from concept to completion. Use persistent constraints to maintain your design intent and speed drafting and annotation workflows with intelligent, interactive snapping and dynamic data entry.
- Produce animations and renderings
Secure stakeholder buy-in by producing realistic movies and simulations from design, construction, and operational models. Choose from keyframe and time-based animation. Get the results you want, faster, using live on-screen animation previews and distributed network processing. Create lifelike visualizations and access online and delivered libraries of physically correct materials, lighting, and rich photorealistic content.
- Visualize and analyze designs
Understand designs more clearly by analyzing and performing data visualizations on models based on their geometry or underlying attributes. Perform analysis of real-world solar exposure and shading. Apply real-time display styles to visualize models based on each object’s height, slope, aspect angle, and other embedded properties. Visualize reality meshes based on associated spatial and attribute data.
- Work collaboratively on designs
View and work with design information from others in real time using live referencing of 2D and 3D DGN, DWG, and large image files, refreshed on demand. Create and exchange digital markups of designs. Track and easily understand changes made to design files, even at the component-level, throughout their lifecycle. Improve enterprise-wide collaboration through integration with ProjectWise.
- Work in a personalized environment
Confidently work in the right context for each project with the required settings and standards automatically applied. Instantly get help and achieve mastery with access to a comprehensive library of learning content. Streamline your workflow and integrate with enterprise systems using a wide range of available tools to customize the user interface including Microsoft (VBA), .NET, C++, C# and user-defined macros. Personalize and group tools and tasks and reduce keystrokes with customizable menus.
The latest generation of MicroStation-based platform products are called the Connect Edition, taking over from the previous generation V8i. Bentley has dabbled with Microsoft naming conventions (95) to straight versioning over the years, this represents a break from all previous branding.
MicroStation’s advanced parametric 3D modeling capabilities allow infrastructure professionals of any discipline to deliver data-driven, BIM-ready models. Your team can aggregate their work on MicroStation, including designs and models created with Bentley’s discipline specific BIM applications. As a result, you can create comprehensive, multi-discipline BIM models, documentation, and other deliverables. Since your project team will work in a universal modeling application, they can communicate easily to share intelligent deliverables and maintain the full integrity of your data.
MicroStation and all Bentley BIM applications are built on the same comprehensive modeling platform. You therefore can easily progress your MicroStation work into discipline specific workflows with Bentley’s design and analytical modeling BIM applications. With this flexibility, each member of your project team has exactly the right application for the work they need to do.
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CSiXRevit is a plugin for Autodesk Revit that enables bi-directional data transfer to CSI Software products: SAP2000, ETABS and SAFE.
CSiXRevit supports four (4) main workflows of data transfer with Autodesk Revit:
- Exporting from Revit to create a new CSI Software model.
- Exporting from Revit to update an existing CSI Software model.
- Importing from CSI Software to create a new Revit Model.
- Importing from CSI Software to update an existing Revit Model.
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