The point load used in the middle of the slab is 50kn and the area where it is applyed is 150mm x 150mm. Calculation of approximate depth from deflection criteria cl 23. Abstract this research was initially to gain an understanding of why concrete ground floor slabs crack as a result of concrete. Import individual floors using cad files or revit files. Using post tensioning to minimize cracking a43design example. Tm 580912 concrete floor slabs on grade subjected to. Rcc slab construction process concrete slab construction. Reinforced concrete slab and beam design software adaptrc. Suspended concrete slab, suspended slab, cement slab. The flexibility of flat slab construction can lead to high economy and yet allow the architect great freedom of form. From framing layout to detail drawing production, safe integrates every aspect of the engineering design process in one easy and intuitive environment. 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.
This video demonstrates using tekla tedds for concrete industrial ground floor design using the technical report 34 guide to design. Reinforced and posttensioned concrete 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. Construction of slabs on ground design considerations aci. Grdslab is a spreadsheet program written in msexcel for the purpose of analysis of concrete slabs on grade. Adapt corporation specializes in structural concrete design software for posttensioning, reinforced concrete, and prestressed beam, slab, foundation. Design of slab examples and tutorials by sharifah maszura syed mohsin example 1.
Integrated reinforced and posttensioned concrete slab design software adapt floor pro product overview with its ability to model full multistory concrete buildings, floor pro delivers value beyond other singlelevel slab design programs. The construction and design of concrete slabs on grade. It may be applied onto either a solid insitu concrete ground floor slab or onto a precast concrete floor. Concrete industrial ground floor design to tr34 4th edition.
Design method development and software implementation. Specifically, a concrete slab on grade may be subjected to concentrated post or wheel loading. Second order effects may be accounted for according to the simplified method of the design codes. I am trying to model a ground supported concrete floor in arsa 14. Reinforced concrete ground floor slabs offer huge benefits to any building which range from endurance against internal tensile forces, thermal comfort, stability, design, etc. With the new sikafiber software, sika provides a tool for designing. Specific design requirements for concrete floor construction are found in aci 360r for slabs on ground, aci 223r for shrinkagecompensating concrete floors, and aci 421. This type of concrete slab construction requires different concrete slab design from the one we normally see that is cast on the ground.
Asce, secb course content slab on grades construction. A floor screed is usually a cementitious material made from a 1. The only concern is to always remember not to cut or drill into posttensioned concrete slabs. An easytouse and learn software for the design, analysis, and investigation of reinforced nonprestressed concrete beams, beam frames, slabs and floor. It is based on a single story frame, featuring the equivalent frame modeling of the aci code as an option. Building research association of new zealand, judgeford, new zealand. The moisture protection is provided for the floor over the slab by means of flooring materials like wood, carpet, linoleum, vinyl, impermeable floor coatings, adhesives, rubber backed carpet tile. Adaptrc is for the analysis andor design of reinforced concrete beams, slabs and floor systems. So in arsa i have used a uniform load of 2222 kpa on the area mentioned above. E2 extension to appendix b, thickness design of a ground supported floor slab.
Analysis, design and investigation of beams, one and twoway slab systems, flat plate, flat slab, waffle slab and slab bands. Quality floor construction includes good subgrade compaction, even thickness slabs, lowslump concrete, straight bulkhead lines, and control cuts spaced 24 to 30 times the slab thickness. Design of slabs on ground aci 360r06 by american concrete institute slab thickness design for industrial concrete floors on grade is195. Concrete slab design software economically design posttensioned and reinforced concrete floors including slabs, mats, and rafts, with exceptional visibility into compliance, efficiency, and practicality. These include computer programs and design manual publications. Pdf slabs are the flooring systems of most structures including office. The most common application of suspended slab in residential construction is used at garage floor where below the garage floor.
The calculation checks the design subject to point loads, line loads and uniformly distributed loads applied to a concrete slab using fabric, fibre or. The construction and design of concrete slabs on grade d. Simply supported one way slab a rectangular reinforced concrete slab is simplysupported on two masonry walls 250 mm thick and 3. Concrete floor slabs concrete construction magazine. Concrete floor slab construction process includes erection of formwork, placement of reinforcement, pouring, compacting and finishing concrete and lastly removal of formwork and curing of concrete slab. The slab has to carry a distributed permanent action of 1. Calculate aspect ratio aspect ratio 2 longer spanshorter span 2. Shake hardeners for concrete floors concrete flooring concrete admixtures. Specifically, a concrete slab on grade may be subjected to concentrated post. Posttensioned, reinforced concrete slab design software ram.
Revisiting concrete ground floor slabs, study report sr340sr340. Guide for design and construction of concrete parking lots aci 330r01 concrete parking lots serve many transportation facilities, industrial plants, commercial developments, and. Introduction concrete slabs on grade are a very common type of concrete construction. Posttension basics how posttensioned slabs are built. How to design reinforced concrete flat slabs using finite. Safe is the ultimate tool for structural engineers designing concrete floor slabs, and foundation systems. This publication seeks to introduce fe methods, explain how concrete. The term floor slab usually refers to a floor that has been formed using concrete and generally steel reinforcement and may form part of the structure of a building. Concrete floor and slab construction 3021r 3 lightweight concrete floors and slabs made with conventional portland and blended cements. Concrete slab on grade analysis calculator for post or. Online concrete slab on grade analysis calculator for slab subjected to interior concentrated post or wheel loading assuming slab is reinforced for shrinkage and temperature only. Floor slab designing buildings wiki share your construction industry knowledge.
Slb software designs top and bottom steel in the slab in both orthogonal directions. Ground supported slabs bearing directly onto a subbase, typically. Guide for design and construction of concrete parking lots. This video demonstrates using tekla tedds for concrete industrial ground floor design using the technical report 34 guide to design and construction fourth edition. Slb is a software product for the analysis and design of suspended reinforced concrete slabs and slabonground.
However, there are some pitfalls to avoid, that often catch out the unwary. Design is defined as the decisionmaking process of planning, sizing, detailing, and developing specifications preceding construction of slabs on ground. Concrete industrial ground floor design to tr34 4th. Sorry if this subject has allready been discussed previously. Reinforced concrete design 1 design of slab examples.
This video shows you how to calculate the amount of concrete required to pour a concrete slab on ground with splayed edge beam and a rebated edge. As a standalone program, it analyzes and designs individual floor. Pt slabs on ground can be placed and stamped just like with any other concrete slab. It uses finite element analysis to analyse and design slabs of any shape. The structural design of a concrete floor slab on grade is primarily controlled by the stresses caused by moving live loads and in some cases the stationary loads. Grdslab concrete slab on grade analysis spreadsheet.
Common mistakes in concrete floor slab construction can be avoided with proper base preparation, mix design. Suspended concrete slab is referred to a cement slab that is not in contact with the ground. Aci committees 360, design of slabs on ground, and 302, construction of concrete floors, have been at the forefront of the effort to provide the industry with the tools to produce slabs. For many years, ciria report 110 has been the standard document for the design of reinforced concrete flat slabs. Reported by committee 302 american concrete institute. Want to design concrete floors economically, with exceptional visibility into compliance, and efficiency while designing slabs, mats, and rafts. Concrete industrial ground floors a guide to design and construction report of a concrete society working party. Economically design posttensioned and reinforced concrete floors including slabs, mats, and rafts, with exceptional visibility into compliance, efficiency, and practicality. Information on other aspects, su ch as materials, construction methods, placement of concrete. The wall may retain soil or other granular material.
Design of slabs on ground aci 360r06 by american concrete institute 2006. We will consider and advise on any ground floor slab design, but generally they would fall into one of the following categories. Strength investigation and strengthening of existing floor slabs. So if anyone has any suggestions or useful information to me as how. The k value or the modulus of subgrade reaction used is 50 000 knm3. Thesis presented in fulfilment of the requirements for. Optimize your fiberreinforced concrete slab on grade. Packard portland cement association, 1976 concrete floor slabs. Floor slabs can range from a simple residential basement slab to a heavyduty industrial floor. Threedimensional 3d finite element software for the integrated analysis and design of concrete and posttensioned floor and foundation systems. Slab design construction of slabs on ground design considerations based on aci.
Safe is the ultimate tool for designing concrete floor and foundation systems. Dynamic andor oscillatory this manual prescribes the criteria for the design of concrete floor slabs on grade in buildings for heavy loads and is applicable to all elements responsible for. Effects of lateral drift and internal member deformations may. The best way to insulate a slab is to isolate it from the ground.
Concrete slab design software free download concrete. From framing layout to detail drawing production, safe integrates every aspect of the engineering design process. Finite element fe analysis, is a popular powerful computer method of analysing flat slab concrete structures. Chapter 5 addresses the design of concrete floors as it relates to their constructibility. Then for the given parameters, the slab flexural, bearing, and shear stresses are checked, the estimated crack width is determined. Retainwall is a software mainly developed for the purpose of designing a concrete or masonry retaining wall.