The code describes HSC as concrete with strength greater than or equal to 55 MPa (8000 psi). The basis for design work for prestressed-concrete sleepers in Europe is EN 13230, valid since October 2002: "Concrete sleepers and bearers." A supplement to this standard is UIC 713: "Design of Monoblock Concrete Sleepers," which provides a design example for a prestressed-concrete sleeper. Prestressed Young's modulus is in essence the stiffness of a material or how easily it is bended or stretched in prestressed members. Equations 5.4.2.4-1 is based on a range of concrete density between 0.09 kips/cu.ft to 0.155 kips/cu.ft. One layer of steel is used in each direction of the cast-in-place slab with one-inch clearance from bottom of slab. from ACI 318-08) have used the same equations throughout code cycles so you may use the calculator even when designing for earlier code. PSGSimple Description. Please feel free to get in touch with Juha directly if you need any advice or support with your structural software. https://goo.gl/KDThpoLearning concrete does not need to be boring. As a result, the loss of prestressing is small. with Isak Bjrhag, Book a meeting Advantages of Prestressed Concrete: The reinforcement of concrete using excessive tensile steel improves the effectiveness of the material. 70-110 approximately depending on raw material cost difference and concrete grade change. . 6. Mohsen has been with StruSoft since 2002 and has more than 20 years of experience with the FEM-Design software and its development, as well as in customer relationships and sales. show moreIn 2011 Fredrik joined StruSoft as a Technical Sales and Education Manager. This entails steel tendons set between two abutments, then getting stretched to roughly 80% of their strength. The span of the beam is 24.0m centre to centre of bearings and the beams are spaced at 1.0m intervals. Calculating correct creep and shrinkage factors is very important when designing concrete structures both for cast in-situ reinforced (RC), precast and prestressed concrete projects. Read our handy concrete price calculator guide! In 2011 Fredrik joined StruSoft as a Technical Sales and Education Manager. FOOTINGS. The cracks and deformations that an element receives in this first stage of its life remain, affecting its bearing capacity and shape long after it has been erected in its final intended place. As a result, the tendons are protected from corrosion, and tensions are transferred directly. The product is designed, manufactured and certified to EN 12737 in our ISO 9001:2008 accredited plants. Noticing that the concrete stress immediately prior to transfer is 0.0 and that the change in prestressing stress during transfer is the loss due to elastic shortening = 13.7 ksi, fcgpcan be calculated as: fcgp = 13.7/(28,500/4,200) = 2.019 ksi 2.016 ksi calculated above (difference due to rounding) Determine fcdpas defined above. Design Example, Posttensioned Bridge Girder . kNm or kN/m? Table 6.26. Juha can help you figure out a tailored structural software solution with ongoing support, no matter what size of structural design organisation you are running in Finland. stressed reinforced concrete members: [2 1.2(A'8/A8)] 0.6 where A's is the compressive reinforce-ment and As is the tensile reinforce-ment. PRE-Stress is an advanced prestressed concrete design software that helps you run calculations and analysis on many types of structural prestressed concrete elements including hollowcore slabs, solid slabs, wall panels, beams, sloped beams, double tees and most recently sloped TT beams. Terms & Conditions. chance : 3 x 400 . Please free to contact Joni if you need any help to solve your structural analysis problems. Juha can support you to undertake an audit of your current software set-up, requirements and aspirations. Step 5 ~ Calculate the slab dimensions at the center of bearing, "X", the theoretical slab dimensions at mid-span, "Z", and the depth from top of slab to bottom of . Equations C5.4.2.4-2 and C5.4.2.4-3 may be used for concrete cylinder strength not exceeding 10.0 ksi. Elastic deformation of concrete. Taper of Precast Concrete Pile calculate the . Precast compound wall cost per square foot is Rs. It has been found possible to rep- resent the stress-strain curve of pre- stressing steel very closely using a' single equation of the form: fs = (I Q) E x)1/R+ QE *(1) (I+E where fs = fs/fso and E = E/Eo In the above, fS is the stress at a strain E, f8 and E aare a reference stress and its corresponding strain. These calculators will be useful for everyone and save time with the complex procedure involved to obtain the calculation results. Juha has an extensive experience in CAD/Structural software. The Concrete Creep and Shrinkage Calculator is totally free to use and an online web application. The latest Australian concrete code AS3600-2018 has the same equations for modulus of elasticity as the older version of the code, AS3600-2009. If you are based in India and looking for more information or support please feel free to get in touch directly with Suhas. from ACI 318-08) have used the same equations throughout code cycles so you may use the calculator even when designing for earlier code. Jeffrey Luin. When using Equation 6-1, the concrete cylinder strength at 28 days should be in the range of 21 MPa to 83 MPa (3000 psi to 12,000 psi). He joined StruSoft in 2019 and has a background as a civil engineer with show morelots of practical experience in all our structural software. Average prestress is defined as P/A, where P is the final effective prestress force after losses and A is the cross-sectional area of the member (or design strip for two-way slabs). show moreJoni has over 15 year of experience in structural design of many types and sizes of steel, concrete and timber structures. Prestressed Concrete: A Fundamental Approach Jan 2006 Prestressed Concrete calculators give you a list of online Prestressed Concrete calculators. L'accs l'hbergement n'est possible que pendant les semaines de formation au centre. Periodicals. He has been with StruSoft since 1995 and has show moremany years hands-on experience in all our different structural software, as well as in customer relationships and sales. The principle behind prestressed concrete is that compressive stresses induced by high-strength steel tendons in a concrete member before loads are applied will balance the tensile stresses imposed in the member during service. In fact you can define any custom beam cross sectional shape with PRE-Stress, which gives a lot of versatility if you are considering the design for manufacturing non-standard or getting into new types of structural prestress elements. Any structural engineer would be well-versed of the definition and use of modulus of elasticity (sometimes called Youngs Modulus). HOW MUCH CONCRETE DO YOU NEED? Step 2: Compute the skin-frictional resistance (Q s ). From Table S5.9.4.2.2-1, the stress limit in prestressed concrete at the service limit state after losses for fully prestressed components in bridges other than segmentally constructed, which include bonded prestressing tendons and are subjected to not worse than moderate corrosion conditions shall be taken as the following: . A properly engineered prestressed-concrete beam can span longer distances than a reinforced-concrete beam and it is thinner, lighter in weight, and uses less concrete without cracking or breaking. Prestressed Concrete Flooring Prestressed flooring is the most effective type of flooring where large spans and shallow depths are desirable. Isak Bjrhag is Customer Success Manager for Sweden, UK & Ireland. It is substantially "prestressed" during production, in a manner that strengthens it against tensile forces which will exist when in service. First, the . We use cookies to ensure that we give you the best experience on our website. Dense concrete is provided by a prestressing system, thereby . Search this site. Lecture 24 - Prestressed Concrete Prestressed concrete refers to concrete that has applied stresses induced into the member. : 3-5 This compression is produced by the tensioning of high-strength "tendons" located within or adjacent to the concrete and is done to improve the performance of the concrete in service. AASHTO-LRFD 2017 (8th Edition) bridge code specifies several equations to calculate the modulus of elasticity of concrete. Calculate the dead load of the bridge superstructure components for the controlling interior girder. How to Calculate Compression force for prestressed section? Precast/Prestressed Concrete Institute employees attributed a compensation and benefits rating of 3.1/5 stars to their company. A concrete beam is "prestressed' because stress is created before, or "pre," the actual use of the beam when the working stress is applied. CALCULATE. The global Prestressed Concrete Strand (PC Strand) market size is projected to reach multi million by 2028, in comparision to 2021, at unexpected CAGR during 2022-2028 (Ask for Sample Report). The concrete naturally bonds to these "tendons" while it cures. The determination of long-time cam-bers and deflections in precast pre-stressed members is somewhat more complex because of the: 1. To access and use the Concrete Creep & Shrinkage Calculator please click here. In preten-sioned and post-tensioned members, applying prestressing force causes shortening of the concrete member that, in turn, causes a loss of tendon stress. Relaxation of stress in steel. Types of Prestressed ConcretePrestressed . Using equations (4) and (6), calculate the skin-frictional per soil layer. Fredrik works closely with both Sales and Development to get feedback directly from our Swedish Customers to in turn help our Developers to implement the requested new features in an accurate way. Youngs modulus is a a measure of elasticity, equal to the ratio of the stress acting on a substance to the strain produced. StruEngineers provides local support in India for all StruSoft software and Suhas is a specialist with IMPACT AutoCAD. All Rights Reserved. Get A FREE Quote Or Advice Today Within 4 Hours Call 01158 951 120 or email panels@jpconcrete.co.uk To study the influence of the shrinkage strain differences of wide concrete box girder on the stress of the girder in the construction, the Changping Viaduct No.5 (a prestressed concrete . Large stresses act on the immature concrete when the strands are released, which can cause cracking. Please feel free to get in touch with Juha directly if you need any advice or support with your structural software. 5. Fredrik works closely with both Sales and Development to get feedback directly from our Swedish Customers to in turn help our Developers to implement the requested new features in an accurate way. What is Compression force for prestressed section? show moreJuha can support you to undertake an audit of your current software set-up, requirements and aspirations. Mikael van de Leur is the Head of Sales at StruSoft, for the Structural Business Unit. Pre-tensioned Concrete In this method, wires or tendons are tensioned at first and concrete is poured later. Mohsen Ghaemi is the Regional Manager (Hungary and Middle East) for StruSoft in our Structural Business Unit. with our customers helping them to succeed with our structural engineering software. The linear portion of the curve represents the elastic region of deformation by which the modulus of elasticity, Ec is expressed as the ratio of stress against strain. Pre-Stressed Concrete Materials [Image source: journal paper from www.mdpi.com] Related Articles of Prestressed Concrete. To calculate the drop (or loss) in prestress (fp), the recommendations of IS:1343 - 1980 can be . This is just one of several model curves adopted by codes. Suhas was one of the original founders of StruEngineers which was established 10 years ago and previously worked for Neilsoft in Pune. The results are presented either on screen or by a User defined report, showing everything a designer needs to be able to make cost-efficient designs according to Eurocode. Prestressed panels are manufactured to order, enabling panel length to be cast to suit steel centres. It requires a smaller amount of construction materials. You may opt out anytime Mohsen has been with StruSoft since 2002 and has more than 20 years of experience with the FEM-Design software and its development, as well as in customer relationships and sales. This can be achieved through specific training, presentations or hands on demonstrations for specific cases. FAQ Suhas has a BSc in Civil Engineering show moreand has been providing design support services to the Precast Industry, worldwide, over the last 20 years. Concrete. Terms & Conditions, Head Of Sales - Structural - Europe,Sweden, Customer Success Manager - Sweden,UK & Ireland, Customer Success Manager - Europe,Sweden. Prior to StruSoft, Ciprian was working as a research engineer for Consolis for 6 years and for 1 year with a local company in Romania working on structural design projects with advanced Finite Element Software (Diana and Atena). Problem 1. StruEngineers provides local support in India for all StruSoft software and Suhas is a specialist with IMPACT AutoCAD. Les tarifs sont tablis en fonction du rythme d'alternance. A tool perform calculations on the concepts and applications for Prestressed Concrete calculations. The principle is the same however; the higher the value, the better the load bearing capabilities on the lintel. 1. The program calculates concrete creep according to Eurocode EN 1992-1-1:2004, Annex B, B.1 (1) and concrete shrinkage according toEN 1992-1-1:2004, 3.1.4 (6) and EN 1992-1-1:2004, Annex B, B.2 (1). He helps our Finnish customers to improve and develop their design work with our StruSoft structural software. In a prestressed concrete member, the internal stresses are introduced in a planned manner so that the stresses resulting from the superimposed loads are counteracted to the desired degree. You may be familiar with the stress-strain diagram below. For full technical information, User Guides and all the theory behind the software please visit the PRE-Stress Wiki by clicking here. Calculate and the answer is 0.08 cubic yards for one concrete tube Multiply 0.08 x 50 = 4 total cubic yards of concrete for 50 tubes Note that this calculation is the volume of your tubes only and does not account for any overflow or loss at the bottom of your tubes Concrete Volume Formulas and Images for Different Concrete Forms Square Slab Compression force for prestressed section calculator uses Total compression on concrete = It sizes the girder and determines the amount of prestressing steel. He helps our Finnish customers to improve and develop their design work with our StruSoft structural software. SHAPED HORIZONTAL BEAMS. many years hands-on experience in all our different structural software, as well as in customer relationships and sales. 7. Youngs modulus is a a measure of elasticity, equal to the ratio of the stress acting on a substance to the strain produced. Transformed Area of Partially Prestressed Members Crack Width and Deflection of Prestress Concrete Members Calculation of Crack Width Average Strain at the Selected Level when Crack Width is given Center to center spacing given the shortest distance Crack Width on the Surface of the Section Depth of the Neutral Axis given the Crack Width Prestressed Concrete Design. Deflections and forces influence the behaviour of the structure. In Dubai for example, the municipality adhere to equations from ACI 318 for normal-strength concrete and to ACI 363 for high-strength concrete. A prestressed concrete sleeper produced by pre-tensioning method has a rectangular cross-section of 300mm 250 mm (b h). show less, Bio: Joni has helped and trained hundreds of engineers in structural analysis in Finland. Ciprian has a PhD in Civil Engineering show more(Ultra High Performance Concrete Subjected to Shear Action) and a Masters Degree in Entrepreneurship and Business Administration. Navigation. Here is how the Compression force for prestressed section calculation can be explained with given input values -> 500 = In addition to sales, Anders also manages our sales and customers experience teams in Denmark and Poland. Element: DL weight in lb/ft a: DL weight in kN/m c: Calculation: Girder: 898: Ciprian is your main Structural Sales contact for markets outside Europe, the Baltics and Romania. The prestressing system works for a span greater than 35 m. Prestressing will increase the shear strength and exhaustion resistance of concrete. Calculating correct creep and shrinkage factors is very important when designing concrete structuresboth for cast in-situ reinforced (RC), precast and prestressed concrete projects. The CivilWeb Prestressed Concrete Beam Design Excel Spreadsheet draws a handy diagram showing the designer the tendons chosen profile. The website Eurocode Applied.com provides an online calculator. Prestressing also reduces the diagonal tension in concrete. The final value at infinite time is calculated as well as the development curves as a function of time. You can also download, share as well as print the list of Prestressed Concrete calculators with all the formulas. Transporting and erecting elements also involves different supporting conditions and accidental dynamic loads. Suhas has a BSc in Civil Engineering. Most design codes have different equations to compute the elastic modulus of concrete. and has been providing design support services to the Precast Industry, worldwide, over the last 20 years. Chandana P Dev has verified this Calculator and 1900+ more calculators! The formulas and procedures used in the spreadsheet are accurate and comply with the 4th Edition of AASHTO LRFD; however, a . Prestressed Concrete Girder Design. Precast, prestressed concrete elements have a tough life. The beam has material properties associated with the release strength of the concrete and the span length is equal to the length of the girder. Slabs, Square Footings, or Walls Length Width Thickness or Height Quantity The Concrete Calculator estimates the volume and weight of concrete necessary to cover a given area. These effects will then be taken into account in the design phase of the ultimate limit states. Cylinder 1020 cm. 3D Model data can be imported into IMPACT from Tekla and Revit to also run a simple 1st stage prestress load check. ACI 363 is intended for high-strength concrete (HSC). CONCRETE CALCULATOR admin 2021-03-22T13:20:20+00:00. Privacy Policy Added on: 23 February 2017. How to calculate Compression force for prestressed section using this online calculator? Description: Calculation of concrete creep coefficient and shrinkage strain. call us now: 020 8335 9900 GET A QUOTE. It requires high tensile steel which is 2.5 to 3.5times costlier than mild steel. Slabs, Square Footings, or Walls Hole, Column, or Round Footings Circular Slab or Tube Curb and Gutter Barrier Stairs Related The cast-in-place slab is designed to carry only the live load of the bridge. Joni is the Product Owner of our JIGI software and Country Manager for Finland. Design & Analysis Software for Mikael coordinates the Structural Sales Team and Customer experience for new customers in StruSofts International markets. Moreover, high-strength concrete is less subjected to shrinkage cracks. Compression by static friction transfers the tension to the concrete once it is released. Calculation Reference Prestressed Beam Design with Concrete ACI 318-07 Calculation Preview. The price for structural precast concrete may start at $50 per linear foot for a 15-foot span and go up to $100 per linear foot for a 30-foot span. In pretensioning, the steel is stretched before the concrete is placed. High strength concrete in production, placement and compaction is required. For other densities (e.g. 11.1 Principles of prestressing. Please feel free to contact Isak if you are interested in a demo or want to expand your knowledge in our structural software. ACI 363R-10 Code 8. We care about delivering quality concrete at competitive prices. The load span tables for prestressed concrete lintels are very similar to the steel lintel tables with the exception of two values. Here is how the Compression force for prestressed section calculation can be explained with given input values -> 500 = 2E-05*50000000*0.5. Remark. Standard Cube 15x15x15 cm. Isak has many years of experience both with hands on practical engineering and working show morewith our customers helping them to succeed with our structural engineering software. The Compression force for prestressed section are induced in prestressed concrete either by pretensioning or post-tensioning the steel reinforcement. Suhas is the Managing Director of StruEngineers India, a Design & Detailing Service company 100% owned by StruSoft. (Ultra High Performance Concrete Subjected to Shear Action) and a Masters Degree in Entrepreneurship and Business Administration. It is necessary to determine the prestressing force in each layer and their respective eccentricities are summarized in Table 6.26. Step 1: Compute the end-bearing load capacity (Q p ). Analysis of Prestressing and Bending Stresses, Crack Width and Deflection of Prestress Concrete Members, Strain Difference in Prestressed Tendons given the Strain in Concrete at level of steel, Strain Difference in Tendons at any Loading Stage, Stress in Concrete in Equilibrium Equation, Stress in Non-Prestressed Reinforcement in Equilibrium Equation, Stress in Prestressed Tendons in Equilibrium Equation, Area of Prestressing Tendon for Known Tensile Strength of Section, Characteristic Tensile Strength of Prestressing Tendons for Known Tensile Strength of Section, Characteristic Tensile Strength of Prestressing Tendons in Presence of Non-Prestressing Steel, Ultimate Tensile Force in Absence of Non-Prestressed Reinforcement, Ultimate Tensile Strength of Section in Presence of Non-Prestressing Reinforcement, Effective Prestress Without Conventional Steel at Service Loading Stage, Strain in Concrete due to Effective Prestress, Strain in Tendons due to Effective Prestress, Stress in Concrete at Tensile Axial Load Without Conventional Steel at Service Loading Stage, Stress in Concrete Member with Non-Prestressing Steel at Service Load, Stress in Concrete Member with Non-Prestressing Steel at Service Load Having Compressive Axial Load, Stress in Concrete Member Without Reinforcement and Compressive Axial Force at Service Load, Tensile Axial Force in Member without Non-Prestressing Steel at Service Loading Stage, Area of Concrete for Known Stress in Concrete without Non-Prestressed Reinforcement, Area of Concrete when Stress in Concrete in Presence of Non-Prestressed Reinforcement is Known, Area of Non-Prestressed Reinforcement for a known Stress in Concrete, Prestress at Transfer After Short Term Loss, Prestress at Transfer After Short Term Loss in Presence of Non-Prestressed Reinforcement, Stress in Concrete in a Member without Non-Prestressed Reinforcement, Stress in Concrete in Presence of Non-prestressed Reinforcement, Area of Concrete when Non-Prestressed Reinforcements are Used, Area of Non-Prestressed Reinforcement in Partially Prestressed Members, Area of Prestressing Tendons when Non-Prestressed Reinforcements are Used, Transformed Area of Partially Prestressed Members, Average Strain at the Selected Level when Crack Width is given, Center to center spacing given the shortest distance, Crack Width on the Surface of the Section, Depth of the Neutral Axis given the Crack Width, Diameter of longitudinal bar when shortest distance is given, Effective cover when shortest distance is given, Minimum Clear Cover when Crack Width is given, Shortest Distance from the Selected Level on the Surface to aLongitudinal Bar, Total Depth of the Member when Crack Width is given, Evaluation of Average Strain and Neutral Axis Depth, Area of non prestressed reinforcement when tension force is given, Area of non-prestressing reinforcement when average strain is given, Area of prestressing steel when tension force is given, Compression force for prestressed section, Depth of neutral axis when couple force of cross section is given, Distance from compression face to crack width when average strain is Provided, Effective Depth of the Longitudinal Reinforcement Given the Average Strain, Height of crack width at soffit when average strain is given, Modulus of elasticity of concrete when couple force of cross-section is given, Modulus of elasticity of non prestressed steel when tension force is given, Modulus of Elasticity of Non-prestressed when Average Strain Under Tension is given, Modulus of elasticity of prestressed steel when compression force is given, Strain at selected Level when average strain under tension is given, Strain in longitudinal reinforcement given the tension force, Strain in prestressed steel when tension force is given, Strain when couple force of cross section is given, Width of section when couple force of cross section is given, Width of the rectangular zone for known average strain, Deflection due to Self Weight when Short Term Deflection at Transfer is given, Deflection Due to Prestressing for a doubly Harped Tendon is given, Deflection Due to Prestressing for a Parabolic Tendon, Deflection Due to Prestressing for a Singly Harped Tendon, Deflection due to prestressing force before losses when Short Term Deflection at Transfer, Flexural Rigidity when Deflection Due to Prestressing for a doubly Harped Tendon is given, Flexural Rigidity when Deflection Due to Prestressing for a Parabolic Tendon is given, Flexural Rigidity when Deflection Due to Prestressing for a Singly Harped Tendon is given, Length of Span for known Deflection Due to Prestressing for a Parabolic Tendon, Length of Span when Deflection Due to Prestressing for a doubly Harped Tendon is given, Length of Span when Deflection Due to Prestressing for a Singly Harped Tendon is given, Moment of Inertia for Deflection due to prestressing for parabolic tendon, Moment of Inertia for deflection due to prestressing in doubly harped tendon, Moment of Inertia for deflection due to prestressing of singly harped tendon, Uplift Thrust when Deflection Due to Prestressing for a doubly Harped Tendon is given, Uplift Thrust when Deflection Due to Prestressing for a Parabolic Tendon, Uplift Thrust when Deflection Due to Prestressing for a Singly Harped Tendon is given, Young's Modulus given Deflection Due to Prestressing for a Parabolic Tendon, Young's Modulus in terms of Deflection Due to Prestressing for a doubly Harped Tendon, Young's Modulus when Deflection Due to Prestressing for a Singly Harped Tendon is given, Compressive stress due to External Moment, Cross Sectional Area when Compressive Stress is Given, Distance from Center of Gravity of Section to Center of gravity of Strands, External Moment with a Known Compressive Stress, Length of Span when Uniform Load is Known, Moment of Inertia when Compressive Stress is Determined, Prestressing Force when Compressive Stress is Given, Prestressing force When Uniform Load is Known, Resulting Stress due to Moment and Prestress and Eccentric Strands, Resulting Stress due to Moment and Prestressing Force, Sag of Parabola When Uniform Load is Known, Unbalanced Load when Load Balancing Method is Used, Uniform Compressive Stress due to Prestress, Upward Uniform Load using Load Balancing Method, Empirical Formula for Secant Modulus Proposed by Hognestad in ACI Code, Empirical Formula for Secant Modulus Proposed by Jensen, Empirical Formula for Secant Modulus Using ACI Code Provisions, Secant Modulus for Normal Weight of Concrete, Total Strain when Creep Coefficient is Given, Force Variation Diagram and Loss Due to Anchorage Slip, Anchorage Slip when Settling Length is Known, Area of Prestressing Steel when Settling Length is Given, Length of Cable when Slip of Anchorage is Known, Pressure Drop when Anchorage Slip and Settling Length are Considered, Pressure Drop when Setting Length is Given, Prestressing Force after Immediate Loss when Reverse Friction Effect is Considered, Prestressing Force at distance x when Reverse Friction is Considered, Prestressing Force Immediately After Loss when Settling Length is Given, Settling Length when Pressure Drop is Known, Settling Length when Prestressing Force Immediately After Loss is Known, Prestress Force at Distance X by Taylor Series Expansion, Prestress Force at Stressing End using Taylor Series Expansion, Prestressing Force at Distance x from Stretching End for Known Resultant, Resultant of Vertical Reaction from Concrete on Tendon, Subtended Angle in terms of Resultant Reaction, Area of Concrete Section when Transformed Area is Calculated, Area of Prestressing Steel given the Transformed Area, Transformed Area of Prestressed Member given the Gross Area of Member, Average Stress when Parabolic Tendons are Used, Change in Eccentricity of Tendon A due to Parabolic Shape, Change in Eccentricity of Tendon B due to Parabolic Shape, Component of Strain at Level of First Tendon due to Bending, Component of Strain at Level of First Tendon due to Pure Compression, Prestress Drop when Strain due to Bending and Compression is Given in Two Parabolic Tendons, Prestress Drop when Two parabolic Tendons are Incorporated, Prestressing Force in Tendon B using Eccentricities, Area of Concrete Section when Prestress Drop is Given, Change in Strain in Tendon given Prestress Drop, Prestress Drop when Stress in concrete at Same Level due to Prestressing Force is Known, Stress in Concrete when Prestress Drop is Established, Initial prestress when prestress after immediate loss is given, Initial Strain in Steel for Known Strain due to Elastic Shortening, Initial Strain in Terms of Initial Prestressing Force, Modular Ratio when Prestress after Immediate Loss is Known, Prestress Drop when Initial Prestress Force is Given, Prestress Drop when Pressure After Immediate Loss is Known, Prestress Force After Immediate Loss when Prestress Drop is Given, Prestressing Force after Immediate Loss given the Initial Prestress, Residual Strain in Steel for Known Strain due to Elastic Shortening, Residual Strain in Terms of Prestressing Force after Immediate Loss, Strain in Concrete due to Elastic Shortening, Strain in Concrete in Terms of prestressing Force after Immediate Loss, Transformed Area of Prestress Member for Known Pressure Drop, Stress in Concrete of Pre-Tensioned Bending Members, Creep Coefficient when Creep Strain is Known, Elastic Strain when Creep Strain is Given, Loss in Prestress when Creep Strain is Given, Loss in Prestress when Shrinkage Strain is Given, Ultimate Shrinkage Strain when Loss in Prestress is Given, Allowable Bearing Stress in the Local Zone, Allowable stress when end zone reinforcement is given, Bearing area given the allowable bearing stress, Bursting force Given the end zone reinforcement in each direction, Cube strength at transfer given the allowable bearing stress, End zone reinforcement along transmission length, Length of side of bearing plate when bursting force for square end zone is given, Prestress in tendon given the bearing stress, Prestress in tendon when bursting force for square end zone is given, Punching Area given the Allowable Bearing Stress, Punching area when bearing stress is given, Stress in transverse reinforcement when end zone reinforcement is given, Transverse Dimension of the End Zone when Bursting Force for Square End Zone is given, Bond length when development length of section is given, Design Bond Stress when Bond Length for a Prestressed Tendon is given, Effective prestress when bond length for prestressed tendon is given, Moment when end zone reinforcement is given, Nominal Diameter of the Tendon when Bond Length is given, Total depth of section when end zone reinforcement is given, Transmission length when development length of section is given, Ultimate prestress given bond length for prestressed tendon.
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