Raft slab design software

Powered by a sophisticated fem solver increasing capacity and substantially speeding up solution for large and complex models, spmats v8. Bending schedules are stored as drawing files that can be opened with, edited if needed and printed using padds or probar 2d formerly autopadds. Raft foundation is a thick concrete slab reinforced with steel which covers the entire contact area of the structure like a thick floor. How to use excel sheet to design a raft foundation raft foundations also known as mat foundations are huge concrete slabs upon which the columns and walls in a construction are laid on efficiently. The design of raft foundations involves a number of disciplines. In this case, the raft slab is provided to a depth that the weight of the excavated soil is equal to the raft slab weight plus that of the structure to be supported. Elpla has models for analyzing single pile, pile groups, piled raft and friction piles in clay soil. The girders on the raft may be either down or up the slab. From basic to advanced problems, geotec software can provide you with the right technical assistant.

Concrete slab design software economically design posttensioned and reinforced concrete floors including slabs, mats, and rafts, with exceptional visibility into compliance, efficiency, and practicality. The raft computer program deploys the tried and proven yield line analysis and ultimate strength design methodology, with appropriate factors of safety and design criteria to ensure adequate inservice performance. Raft foundation design footing foundation building foundation. Reinforced concrete and partially prestressed concrete members to various design codes. Elpla lite edition allows users to easily create projects for analysis and design floor slab or raft foundation. For a successful design, the layout of mat foundation should be carried out with due consideration of both settlements and bearing capacity for example, the flat slab analogy which has been very successfully used in many cases has also led to structural failures in many other cases due to lack of understanding of the basics. Raft foundation can be design using several methods.

Raft is a unique computer program for design of stiffened raft and waffle raft slabs supported on moisture reactive soil, commonly applied in residential construction in australia. Foundations provide support for structures, transferring their load to layers of soil or rock that have sufficient bearing capacity and suitable settlement characteristics. Download design of footing software for free windows. Raft foundation is one of the types of foundation that is composed of a thick mat or slab that supports the entire structures. In this special project the method used in the design called the. Detailed plans, sections, elevations, schedules, and tables may be generated, viewed, and printed from within safe or exported to cad packages. Raft foundation is suitable where soils contain low bearing capacity and has to provide support to combat heavy structural loads. May 05, 2017 undoubtedly safe is the best software for raft foundation analysis and design in fact,best for any horizontal member design,punching and deflection check has been examined excellent in safe and even variable depth local thickening raft for sam. Csis safe software is used in the design of an 87story mixeduse tower in chicago. The slab is extended underneath the whole building or somewhat a big part of it with the purpose of minimizing the contact pressure contrary to the.

Reinforced concrete design examples geotec software. Staad pro is a renowned structural analysis and design software that is used all over the world, and this post is aimed at investigating the analysis of beam and raft foundation using staad pro v8i. Rafts having uniform thickness of slab, sometimes they may have pedestal b. The convention approach on piledraft design tends to ignore load bearing and settlement contribution from the raft slab. Learn the steps to work out the volume of concrete in slab and beam. According to aci committee 336 mat foundation is continuous footing that supports several rows of columns in either direction, covering at least 34th of total assembly area of columns outer parameter, having shape like slab withwithout opening or.

The program was specifically developed for engineers wanting a practicable design methodology instead of selecting a standard design prescribed in australian standard as2870. The rest of the things are taken care of by the software. The program can analyze different types of subsoil models, especially the threedimensional continuum model that considers any number of irregular layers. Which software is better for raft analysis safe, staad. A ribbed raft consists of a stiffened slab by girders in x and ydirections. Posttensioned, reinforced concrete slab design software ram. This concrete calculation quickly assesses the ability of elements of a raft to support various loading arrangements without. 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. The multistory model will be imported from etabs to safe for the analysis and design of the raft footing. Asdip foundation is a structural engineering software utilized by engineers for design of pile caps and concrete footings, such as spread footings, strap footings, combined footings, and wall footings, per the latest aci 318 provisions this foundation design software substantially simplifies timeconsuming calculations for structural engineering design. I did try reaching out through the slog website in the early days for a copy of the literature the method was based on but never had a reply. In this particular post we are going to consider the analysis and design of the same foundation using manual calculations according to the principles of the eurocodes. We also assist our clients on various geostructural projects. Which software is better for raft analysis safe, staad pro.

I dont do enough raft slab design to warrant the use of slog, and even then its looking like this software is somewhat of a black box. When in plan mode, it creates a 2d or 3d concrete raft slab from a selected building. Raft is the worlds leading computer program for yield line analysis and ultimate strength design of stiffened raft and waffle raft slabs supported on moisture reactive soil, as commonly applied in residential construction in australia. Tekla structural designer, raft slab discovery overview video. Raft is a powerful software that can be used for making analysis, design, estimation, costing of rcc raft foundation with adherence to is. Structural design of raft foundation pe civil exam. Raft loading, raft slab loading, raft slab analysis, raft slab design, raft slab detailing. Thus, selecting an effective raft size taking into effect of the soil. Slog is a residential slab and footing design program for professional engineers who want a fast, easy and convenient method of analysis of the soil structure interaction of footing on reactive or expansive soils. Documentation provided with elpla includes the elpla reinforced concrete. A ribbed raft may be used where the distance between columns is so great that a flat raft requires excessive depth, with resulting high bending moments. Calculation sensitivities and the studies done to create a credible range of values for all of the input parameters create a rigorous approach.

It uses finite element analysis to analyse and design slabs of any shape with twoway action automatically considered. Rectangular and circular columns, and also columns with any general shape. Modern codes of practice are increasingly recognising the computational power of structural analysis softwares. Raft foundation design requirements and applicability. Designing residential footings using the mitchell method. Elpla has models for analyzing single pile, pile groups, piled raft foundation. Raft found is effective in the following conditions. Jan 4, 2018 download excel sheet to design raft foundation easily.

Whether the project is local or overseas, design codes from around the globe are available for reinforced concrete and posttensioned slab design. Tekla structural designer enables engineers to create comprehensive slab deflection calculations alongside all other aspects of the design and analysis of a structure in one software product. Design of raft foundation using orion v18 software duration. The work flow is further enhanced by semiautomatic generation of reinforcement bending schedules by most of the concrete design modules.

Oct 08, 2017 raft foundation design in safe 2016 part 33. Cord code oriented raft design is an efficient userfriendly tool for analysis and design of residential footings on reactive clay soils. Safe is a powerful tool to design simple to complex slabs, pile caps and raft foundations using different specified codes. Comprehensive and customizable reports are available for all analysis and design results. The cadsta raft slab command enables the user to profile a concrete raft slab in plan and secction. The multistory model will be imported from etabs to safe. Perhaps the most popular tool to design a raft foundation is through the aid of safe program developed by csi. Reader vso convertxtodvd final you were,loaded easy, camtasia studio camtasia studio 8 keygen every feature on the ribbon can be accessed via a special sequence of key presses.

But thanks to available design software, these complexities narrows down. The concrete reaches its full design strength in less than 28 days normally about 23 days but the slab can be walked on and worked on well before that. Download excel sheet to design raft foundation easily. This report shows the structural design of the raft foundation. 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. When in section mode, it draws a concrete raft slab section, together with piers, footings, decal and notes. The mathematical solution of the raft is based on the finite element method. The software is for the analysis of the soil structure interaction of footing on reactive or expansive soils. An investigation on the analysis of beam and raft slab using. A raft or mat foundation is a sizable concrete slab or slab andbeam system which supports all the loads of superstructure through walls or columns in two or more rows and rests on soil layer or rock. Integrated structural software for buildings, infrastructures, towers and offshore structures. The building has been named the aqua because of its contoured, wavelike balconies. Reinforced concrete slab and beam design software adaptrc. Reinforced concrete and posttensioned foundation design software adapt.

Foundation design software structural engineering software. Definition of design strips is a very important part in safe modeling for raftmat foundations and slab designs. How to form, pour, and stamp a concrete patio slab duration. A raft or mat foundation is a sizable concrete slab or slabandbeam system which supports all the loads of superstructure through walls or columns in two or more rows and rests on soil layer or rock.

Slb is a software product for the analysis and design of suspended reinforced concrete slabs and slab onground. I did try reaching out through the slog website in the early days for a copy of the literature the method was based on. Elpla can analyze raft foundations of arbitrary shape with the real subsoil model. Definition of design strips is a very important part in safe modeling for raft mat foundations and slab designs.

Manual design of beam and raft foundation to eurocode 2 free. Download free demo updated february 18, 2019 soilstructure mat or raft foundation simplifies the calculation of combined footings and mats or rafts. An investigation on the analysis of beam and raft slab. It can model, analyze and design any combination of twoway mat raft slabs. Design of beam and slab sections for flexure, shear and torsion. It is a finite element based analysis software which is developed specifically for design of reinforced concrete buildings.

Ram concept is a software application for the structural analysis and design of conventionally reinforced and posttensioned concrete floors, mats, and rafts. Full documentation is provided with elpla lite edition. The rest of the things are managed by the software. Safe is the ultimate tool for structural engineers designing concrete floor slabs, and foundation systems. It includes all the elpla standard functions except that the node number is limited to 300 nodes. Floor areas are small and structural loadings are low, as for instance one or twstorey domestic. Learn raft in 14 easy steps is included with the software.

However, a soil raft is managing areal loads that result in stress increases to depths. Structural engineers like to look at the spring constant as the solution to deformations as its worked for slab on grade design. Then the stip footing design is done in accordance with as2870. Feb 26, 2020 raft foundation designing buildings wiki share your construction industry knowledge. Raft foundation design footing foundation building. Asdip foundation is a structural engineering software utilized by engineers for design of pile caps and concrete footings, such as spread footings, strap footings, combined footings, and wall footings, per the latest aci 318 provisions. This is done so that the program will analyze the model according to design strips and interpret accordingly on how much area or number of rebar are required in the strip assign. Nov 06, 2016 i dont do enough raft slab design to warrant the use of slog, and even then its looking like this software is somewhat of a black box. Download free demo updated august 8, 2019 soilstructure slab on grade software simplifies the calculation of a. Version 8 integrates a graphical user interface and improved compatibility in the windows environment with the proven reliability of the cord analysis engine. The geotechnical engineering community does not agree well at least my voice.

Geo5 contains programs for design of rectangular and circular spread footings, strip foundations, and foundation slabs of a general shape. Shallow foundations geotechnical software geo5 fine. Raft beam loading, raft beam analysis, raft beam design, raft beam detailing. Slb is a software product for the analysis and design of suspended reinforced concrete slabs and slabonground. Design software cord code oriented raft design is an efficient userfriendly tool for analysis and design of residential footings on reactive clay soils. Reinforced concrete and posttensioned foundation mat design. Heres the process for building a raft slab for a house. Geotec software is providing universities and consulting companies by the right tools for the last 20 years. Both beams are casted monolithically with raft slab. Raft foundation design using csisafe the structural world.

Manual design of beam and raft foundation to eurocode 2. The ultimate strength of slabs on reactive soil is a complex function of dynamic soil surface movement and static loading. In residential buildings, the minimum thickness of a slab is 85mm 3. 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 slabs and mat raft foundations, oneway slabs, twoway slabs, beams, and joist systems.

Chicago towers wavelike design features different shapes for every floor. Not only the software allows to verify the bearing capacity and settlement, but also reinforcement of an rc structure. Elpla elastic plate is a powerful tool for analyzing piledraft foundations. Finite element design without strips is also available and useful for slabs with complex geometries. Undoubtedly safe is the best software for raft foundation analysis and design in fact,best for any horizontal member design,punching and deflection check has been examined excellent in safe and even variable depth local thickening raft for sam. Design floors and foundations reliably and efficiently, saving time and money, and overcoming the most common concerns you face as a designer. Design of raft foundation excel sheet online civilforum. Overview safe is the ultimate tool for designing concrete floor and foundation systems. The slab is spread out under the entire building or at least a large part of it which lowers the contact pressure compared to the traditionally used strip or trench footings.