Adopting post tensioned concrete means that a designer can achieve greater span widths and thinner slabs for the same design load. Whatever the post tensioning requirement tensioned concrete has the. Design and software expertise in post tensioning and prestressed concrete for over 30 years, adapt corporation has provided a full range of software products and engineering services for the modeling, analysis and design of prestressed pre or post tensioned concrete structures. This course is for structural engineers with little or no experience in the design of posttensioning and will cover the basics of design, the benefits of. See more ideas about concrete, concrete slab and toronto cn tower. Posttensioned and reinforced concrete slab and beam design. This video tutorial is about pts posttension slab design which is trained by master of structural engineering mr. Reinforced concrete modeling and detailing software. The program enables the user to define and design posttensioned concrete beams and slabs for any strap model. Presentations will focus on design, analysis, and construction of post tensioned buildings and will include handson training on the design and analysis of new post tensioned building structures. The result is that the home builder simply cannot tighten the posttension cables enough to give the concrete slab the strength to resist bending movements. Sep 18, 2006 for example, a 5inch slab can support a 5000pound post load without additional concrete or rebar.
Pt designer is a computer program for the design and analysis of linear posttensioned concrete floor systems. In posttensioned structure, the tensioning of reinforcement is done after the concrete has been placed. Pt slabs offer the thinnest slab type, as concrete is worked to its strengths, mostly being kept in compression. Mar 27, 2017 this video tutorial is about pts post tension slab design which is trained by master of structural engineering mr. Aug 30, 2017 this spreadsheet program provides for the design and analysis of post tensioned concrete oneway beam and slab systems and twoway flat plate slab systems. Durability aspects of present pt systems, key design concepts, code requirements, and practical design and construction tips will also be discussed. For general design philosophy and analysis of post tensioned concrete, the reader should refer to pdhonline course s127. Posttensioning and prestressed design and software expertise. We recommend using pt for temperature and shrinkage reinforcement. Streamline your next posttensioned concrete project tekla. Posttensioned and reinforced concrete slab and beam. Adaptpt and rc software for the efficient design of posttensioned and mild reinforced concrete slabs and beams. Framing dead load selfweight superrimposed dead load 25 psf partitions, me, misc.
Posten post tensioned and reinforced concrete design. Although some posttensioned slab structures had been constructed in europe quite early on, the real development. Adapt ptdesign of two way slab post tension01 youtube. Design and software expertise in posttensioning and prestressed concrete for over 30 years, adapt corporation has provided a full range of software products and engineering services for the modeling, analysis and design of prestressed pre or posttensioned concrete structures. From framing layout all the way through to detail drawing production, safe integrates every aspect of the engineering design process in one easy and intuitive environment. Whether the project is local or overseas, design codes from around the globe are available for reinforced concrete and posttensioned slab design. The home builders theory is that they can achieve a minimum of 50 psi pounds per square inch compression throughout the slab and most importantly, at the middle of the. Ram concept is a software application for the structural analysis and design of conventionally reinforced and posttensioned concrete floors, mats, and rafts. Post tensioning is a method of reinforcing strengthening concrete or other materials with highstrength steel strands or bars, typically referred to as tendons.
Posttension engineering expertise suncoast has a deep bench of experienced, diverse engineering talent, who support our customers and their projects, increasing efficiency, safety and profitability. Net, which many engineers have come to trust over the years for its accuracy and flexibility. Reinforcing savings as steel and concrete increase in pricing, the savings with a post tensioned slab will increase, because the quantity of steel and concrete required for a posttensioned slab is less than for a conventionally reinforced foundation. Twoway posttensioned design amsysco post tensioning. Posttensioned pt slabs are typically flat slabs, band beam and slabs or ribbed slabs. Once the concrete has gained strength to 2000 psi, typically within the 3 to 10 days recommended by pti, the tendons are stressed.
Pt designer is a computer program for the design and analysis of linear post tensioned concrete floor systems. Ram conce pt is a software application for the structural analysis and design of conventionally reinforced and posttensioned concrete floors, mats, and rafts. Post tensioning tensioned concrete offers a wide range of post tensioning solutions from mono strand systems typically used in house slabs where the ground is highly reactive, slab systems 12. The example presented is taken from the book posttensioned concrete principles and practice by k. We are currently evaluating two software programs for pt slab structure design. By simplifying slab reinforcement at column locations and eliminating column capitals, stirrup cages, or i beam shear heads, they enable efficient design and rapid. By simplifying slab reinforcement at column locations and eliminating column capitals, stirrup cages, or i beam shear heads.
Project examples to illustrate various uses of posttensioning in buildings, tendon arrangement in common floor systems, use of external posttensioning in the retrofit of an existing slab, facts and myths about posttensioned as compared to reinforced concrete slabs. Design seminar descriptions posttensioning institute. Standard requirements for design and analysis of shallow posttensioned concrete foundations on expansive soils. Post tension slab stepbystep process 7 authenticity with 3d software finite element for design and drawings. For general design philosophy and analysis of posttensioned concrete, the reader should refer to pdhonline course s127. Jul 21, 2017 rapt is a two dimensional post tension beam slab design software. Design floors and foundations reliably and efficiently, saving time and money, and overcoming the most common concerns you face as a designer. The following example illustrates the design methods presented in aci 31805 and ibc 2003. Threedimensional 3d finite element software for analysis and design of concrete and posttensioned floor and foundation systems.
Ram conce pt contains an advanced feature set that allows for the design of a wide variety of floor systems including posttensioned, reinforced concrete and hybrid systems, elevated. Prior to pour a posttension slab, steel strands or cables known as tendons with superior strength, are placed in a tight grid. The program is divided into three separate screens, which correspond to the three major areas of concern in the design of a posttensioned member. For example, a 5inch slab can support a 5000pound post load without additional concrete or rebar. Ram concept contains an advanced feature set that allows for the design of a wide variety of floor systems including posttensioned, reinforced concrete and hybrid systems, elevated. Ccl carries out complete designs for post tensioned concrete applications. Rapt is a two dimensional post tension beamslab design software. It was found that a certain amount of poor design was prevalent, and the. Posttensioned concrete slabs in buildings have many advantages over reinforced concrete slabs and other structural systems for both single and multilevel structures. Register now to learn more about this exciting partnership. Originally post tensioned, twoway slab framing systems were constructed with column and middle strips, similar to those used in conventionally reinforced twoway slabs. Since 1981, adapt softwares proven reliability and easeofuse have made it the most widely used software for the design of posttensioned slabs and beams worldwide.
Posttensioned, reinforced concrete slab design software ram. Prestressed concrete post tension slabs fundamentals udemy. Unless otherwise noted, all referenced table, figure, and equation numbers are from these books. Well introduce our partnership and what it means for you, run through a gravity and lateral design of a concrete building in tekla structural designer, export the building to adapt and perform at a posttensioned slab design. Decon studrails are a proven, costeffective solution to resist punching shear at slabcolumn connections in elevated slabs and foundation mat slabs, as well as bursting stresses in posttension anchorage zones. Posttensioning tensioned concrete offers a wide range of posttensioning solutions from mono strand systems typically used in house slabs where the ground is highly reactive, slab systems 12. Economically design post tensioned and reinforced concrete floors including slabs, mats, and rafts, with exceptional visibility into compliance, efficiency, and practicality. With simple and easytouse tools for advanced 3d modeling of reinforced concrete structures you can. Typically maximum fiber stress in tension controls design. Neglecting to design general anchorage zones or delegating this responsibility.
Homeowners are getting crushed by flawed posttension. Experience and expertise gained from working on projects around the world, are combined to deliver prompt, effective solutions. So now the home builder is trying to squeeze 40 or 60 or more feet of a flat concrete slab plus the attached concrete beams plus the soil between the concrete beams. The example presented here is for twoway posttensioned design. Design floors and foundations reliably and efficiently, saving time and money, and overcoming the most common concerns. Rebar reinforcement in this case is technically allowed by code but in our experience, a properly designed post tensioned concrete slab will minimize cracking due to shrinkage. General overview of posttensioned concrete design instructor. Tendons today are seven highstrength steel wires wound together and placed inside a plastic duct. Adapt corporation specializes in structural concrete design software for post tensioning, reinforced concrete, and prestressed beam, slab, foundation, building and bridge structures using finite element or equivalent frame analysis. Adapt corporation specializes in structural concrete design software for post tensioning, reinforced concrete, and prestressed beam, slab, foundation. Posttensioned concrete design spreadsheet program a pdh. Its more user friendly compared to other pt design softwares.
Reinforced concrete slab and beam design software reinforced concrete slab and beam design software adaptrc 2017 product overview an easytouse and learn software for the design, analysis, and investigation of reinforced nonprestressed concrete beams, beam frames, slabs and floor systems a must have production tool in every structural engineering office. Campbell, the posttension cable system for concrete slab foundations that has and is replacing the standard steel rebar system has a fundamental flaw. Calculation and the theory by which the software works are attached with this softwares index, this thing is not seen on other softwares. What is the best software to design a post tension slab. Post tensioning and reinforced concrete structural. Posttensioned slab design manual otte group software. The company uses the latest design software which is continually updated to reflect current international. The example presented here is for twoway post tensioned design. Adapt builder and ram concept we already have the rest of the ram structural suite. This spreadsheet program provides for the design and analysis of post tensioned concrete oneway beam and slab systems and twoway flat plate slab systems. Our future vision pti envisions a future in which posttensioning is the first choice for reinforcing all structures. Posttensioned slab design guide post tension slab problems. An experienced posttensioning engineer will probably be able to generate larger capacities depending on concrete strength and force applied from the tendons.
This construction video shows the detailed methods for developing post tension slab. Although some post tensioned slab structures had been constructed in europe quite early on, the real development. Overview safe is the ultimate tool for designing concrete floor and foundation systems. The user has full flexibility in defining the number of the cables and their shape. Posttensioning is a method of reinforcing strengthening concrete or other materials with highstrength steel strands or bars, typically referred to as tendons. Geostructural tool kit is pleased to announce the release of ptislab 3. Posttensioning and prestressed design and software. A residential posttensioned concrete slab will typically be 8 inches thick and use 3000 psi concrete. Posttensioning and reinforced concrete structural analysis. A residential post tensioned concrete slab will typically be 8 inches thick and use 3000 psi concrete. Pt designer design of posttensioned concrete floors. You can reduce documentation production time, errors, and design flaws with our advanced 3d application for modeling, detailing, and scheduling of reinforced in situprecast and posttensioned concrete structures.
In this video, he will describe his experiences at the site as. In 1971, hugh oneil created posten to enable rapid, detailed and efficient designs of post tensioned and reinforced concrete structures. Streamline your next posttensioned concrete project. Post tension slab design software structural engineering. Post tension slab design software sethguthrie civilenvironmental 18 aug 16 19. This course provides the documentation to enable the use of a posttension design spreadsheet program for oneway concrete beam and slab and twoway. Safe provides unmatched benefits to the engineer with its truly unique combination.
Design of post tensioned flat slab structures in ram. Ccl carries out complete designs for posttensioned concrete applications. Calculation and the theory by which the software works are attached with this softwares index, this thing is not seen. Our future vision pti envisions a future in which post tensioning is the first choice for reinforcing all structures. Posttensioned concrete is typically specified having an. Safe is the ultimate tool for designing concrete floor and foundation systems. Design of post tensioned flat slab structures in ram concept. Post tensioned concrete slabs in buildings have many advantages over reinforced concrete slabs and other structural systems for both single and multilevel structures. Today post tension system is considered one of the most popular and required slab system due to its economical and rapid construction advantages for covering larger spans with lesser concrete slab thickness compared to the other traditional slabs. Want to design concrete floors economically, with exceptional visibility into compliance, and efficiency while designing slabs, mats, and rafts. The design uses the program adapt floor pro release 20092010 featuring the hong kong code. Post tension concrete dubaiuae, cairoegypt and riyadh. Top 10 biggest mistakes made in post tensioned concrete.
Whether the project is local or overseas, design codes from around the globe are available for reinforced concrete and post tensioned slab design. Structural calculations for posttensioned beam and oneway. This book is destined to become the definitive work on the design of post tensioned concrete buildings for many decades to come. Students will learn the components of the post tension slabs system and how the system behaves by illustrating all the components of the system from wires, strands, tendons, dead end and live end and how they are assembled and stressed and the sequence of the construction steps of this system and the different types of arrangement and installment of the system by. In this video adapt ptdesign of two way slab post tension01. The program is developed around the robust computational core of two popular programs ptdata. Post tensioned slab design, supply, install tensioned concrete.
Economically design posttensioned and reinforced concrete floors including slabs, mats, and rafts, with exceptional visibility into compliance, efficiency, and practicality. Posttensioning is just a process of developing prestressed concrete, masonry, and other structural elements. The program is divided into three separate screens, which correspond to the three major areas of concern in the design of a post tensioned member. The reinforcement lies within cables, which are grouted once the steel is tensioned. Posttensioned and reinforced concrete slab and beam design software. Suncoast has a deep bench of experienced, diverse engineering talent, who support our customers and their projects, increasing efficiency, safety and profitability. Through our proven preconstruction services approach, project construction management systems, and design build techniques, our teams is ideally suited to handle the complex projects of the institutional sector. Longer spans can be achieved due to prestress, which can also be used to counteract deflections. Top 10 biggest mistakes made in posttensioned concrete. General overview of post tensioned concrete design. The program provides easy to use tools for determining the number of cables and their trajectory in the beam cross section so that the. Today posten engineering systems provides this same power to you.
An experienced post tensioning engineer will probably be able to generate larger capacities depending on concrete strength and force applied from the tendons. In 1971, hugh oneil created posten to enable rapid, detailed and efficient designs of posttensioned and reinforced concrete structures. Post tension slab video post tension concrete slab. Design and software expertise in posttensioning and prestressed concrete for over 30 years, adapt corporation has provided a full range of software products and engineering services for the modeling, analysis and design of prestressed pre or post tensioned concrete structures. This spreadsheet program provides for the design and analysis of posttensioned concrete oneway beam and slab systems and twoway flat plate slab systems. Beams of prismatic and other cross sections, with either constant or variable cross sections. Standard requirements for design and analysis of shallow post tensioned concrete foundations on expansive soils. Six problems with posttensioning force specifications. Prestressed concrete post tension slabs fundamentals. Homeowners are getting crushed by flawed posttension cable. This book is destined to become the definitive work on the design of posttensioned concrete buildings for many decades to come. Built on adapts unique truestructure modeling and analysis technology, this software provides a powerful, yet easy to use tool for the analysis of all types of slab systems.
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