## One Way Slab Design Example

usually slabs. AISC Steel Manual: A design guide provided by the American Institute of Steel Construction for the design of steel structural members Please reference Figure 5. A one way slab will only have significant bending moments in the short direction. A slab is supported four direction however to taken the ratio b/w length to breadth than the ratio is greater than or equal two ( ly/lx >2) the slab is designed as one way slab. To print the slab design reports, Click ‘Run’ then ‘Slab Analysis and Design’ in the menu bar. Combined Strap Footing Design. Slab design is comparatively easy when compared with the design of other elements. Main reinforcement in slab bridges is designed for Flexural Resistance (5. In one-way slab, main steel is provided in one span. Slab thickness considered are 200 and 300mm. Structural Support Functions —The floor slab of the below grade building enclosure must be designed to carry downward vertical gravity loadings as well as any upward soil or hydrostatic pressure loadings. 5 design example haunched slab a longitudinal slab is one of the and corresponding structure type are shown for singlespan and multiple- -span slabs. In order to design the footing size, the actual stress P/A must be less than or equal to the allowable pressure: Design Stresses The result of a uniform pressure on the underside of a footing is identical to a distributed load on a slab over a column when looked at upside down. The design uses the program ADAPT Floor Pro release 2009/2010 featuring the Hong Kong Code. buying a "color" from a showroom or sample. In the previous chapters we saw the analysis and design of simply supported beams and slabs. The preliminary thickness of a solid one-way slab with normal weight concrete and Grade 60 reinforcement is l / 24, where l is the span length in inches. A flat slab panel always uses two-way load decomposition. 5m Variable load 4kN/mm2 Floor finishes and Ceiling load 1kN/mm2 Fck 25N/mm2 fyk 500N/mm2. Design Example of ONE WAY SLAB (with detailing) - Free download as PDF File (. Latifee Question: Define the term slab, one way slab, two way slab, Shrinkage and temperature reinforcement, main reinforcement. Minimum depth of the one-way concrete slab, most of the times is governed by deflection criteria. Designing for shear in slabs • When shear reinforcement is not required –e. Frame Analysis also provides a convenient way for generating input for this program. The saving of materials tends to be offset by some. Typical details that are associated with these types of structures will also be shown in conjunction with construction photographs. Important aspects of design not directly addressed in. Waffle slabs are preferred for spans greater than 40 feet (12 m), as they are much stronger than flat slabs, flat slabs with drop panels, two-way slabs, one-way slabs, and one-way joist slabs. Slab doors can paradoxically create two different looks in a kitchen or bathroom—one of sleek modernity, the other of plain utilitarianism. Beam/Slab Profile. Qaisar Ali CE-320: Reinforced Concrete Design-I 16 One way & Two way Slabs. One-way slabs. RC floor slabs may be supported on a rectangular grid of beams or walls, or directly on columns. L = Effective Span Lesser of the following: L= Ln + h/2 + h/2 = Ln + h h = depth of slab and L = c/c distance between supports. The footing slab must resist bending, one-way shear and two-way shear. , which is the moment of inertia of the shaded area. • Use of Footing Design Charts • One-way Bending, One-way Shear and Two-way (Punching) Shear • Straight vs Cogged Reinforcement : 3. Excel sheets are often very useful to determine the slab thickness and reinforcement detailing. The hand solution is used for a detailed comparison with the analysis and design results of the engineering software program spBeam. automatic generation of a step by step design calculation. To see their result for this slab we will find the load factor, λ, to cause failure. DESIGN OF THE FLAT SLAB STRUCTURES. SLAB DESIGN •In case of one-way slabs, the reinforcement against bending is estimated only for short direction; and a percentage of this reinforcement is placed along long direction. The webinar will highlight the design steps of post-tensioned one-way slabs and beams that are typical for long span garages while addressing the relevant code sections. Complete Design of One Way Slab chapter (including extra questions, long questions, short questions) can be found on EduRev, you can check out Civil Engineering (CE) lecture & lessons summary in the same course for Civil Engineering (CE) Syllabus. Downward vertical gravity loadings exist from the dead weight of the floor slab and any occupancy live loads. (ACI 318-05 Table 9. Slabs without drop and column head. It is purely simply supported case. voided slabs are reinforced concrete slabs in which voids allow to reduce the amount (volume) of concrete. In above figure (a) represents one way slab. The two classifications are one-way slab and two-way slab. There are two types of slab classification based on the direction of bending occurs in these slabs. 75 Kn/m Bending Moment B. Slab detailing of one-way slab. Before going to this topic, Please read it. 13 ×2400 = 312kg/m 2. It is possible to simulate one-way continuous slabs (e. EC2 Webinar - Autumn 2016 Lecture 5/2 Designing for shear in slabs • When shear reinforcement is not required -e. One-way slabs in RAM Concept. 375 kn-m Ultimate Moment Mu = 1. Corner reinforcement: Although the major reinforcement in one way slab span is in the short direction, yet at the corner, the moment is actual supported by beams at both directions. The Reorganized ACI 318 14 Code - Are You Ready? Neal S. Select representative 1 m wide design strip/strips to span in the short direction, as. Concrete Design. Use the settings as shown in the image below. When properly joined together, these horizontal elements act as diaphragms that transfer the lateral loads to the walls. Typically the concrete slab acts as a beam spanning between supporting beams. (Hindi) Design Of Shear, Beam And Slab. Others Types of slabs Figure: Grid or Waffle slab One way slab Two way slab. In our example, the IV is level of TV violence. These airborne noises are not transmitted through a slab but impact noises are, for example, high heels on a tiled floor can be heard in the room below. Two-way slabs have two way bending unlike one-way slab. One of the most popular models is the one with a molding designed specifically for photo frames which are usually placed on top. Section design for moment 6. 0018x60,000/f y. minimum overhang. Example-1: One-way simply supported slab, Span length, L= 10 ft. 2 Fill out the fields as appropriate based on the information in the plans. Because due to the huge difference in lengths, load is not transferred to the shorter beams. A design example using FEA is given in one appendix. Use fc 3000 psi and fy 60,000 psi - 2635165. It addresses the planning, design, and detailing of slabs. 1-: This Spreadsheet Designs Both One-way And Two-Way Slab acc. Ribbed slabs (One-way joists) Introducing voids to the soffit of a slab reduces dead weight and increases the efficiency of the concrete section. A system for the forms and relationship of elements in the column and entablature of Classical architecture according to one of five modes: Doric, Ionic, Corinthian (developed by the Greeks), and Tuscan and Composite (developed by the Romans). Flat slab system is an important division of concrete floor system. If you want to design your own layout, you can use one of the quantity calculators below to approximate the number of each size needed to cover a given area with a random layout. Start here if you're building a roof over a patio or deck. However, the amounts. One way slab has two types namely simply supported slab and one way continuous slab. Example-1: One-way simply supported slab, Span length, L= 10 ft. You make the assembly out of three pieces – a footing, a stem wall and the “flat plate” slab part. The middle strip is bounded by two column strips. < 2, absence of supports in two parallel edges will render the slab one-way. DESIGN OF PILE CAP. Dutta , IIT Bhubaneswar. Direct Design Method alias DDM as well as Coefficient Method are used to design the slabs. Two way RCC slab designing tool in Microsoft excel developed by Shankar Tayal a 3rd year student of school of infrastructure, Indian Institute of Technology, Bhubaneswar. Learn more about the history and design of bridges in this article. Design of two way slab. The physical properties of density and strength of concrete are determined, in part, by the proportions of the three key ingredients, water, cement, and aggregate. Main bars are 12 mm in diameter @ 150 mm centre to centre spacing ; Distribution bars are 8 mm in diameter @ 150 mm centre to centre spacing. 0m and to be used as balcony (LL = 300 kg/m2. Analysis and design for singly and doubly reinforced flanged beam. nice user-friendly interface 2. Beam and slab arrangement can be the best example for one way and two way slabs. Before going to this topic, Please read it. Generally, concrete slabs are a great way to reduce the transfer of music or conversation noise from one level of a home to another, and between rooms on the same level. 27 Design Example 1 (Typical House with 2 Rooms and Verandah). The saving of materials tends to be offset by some. Example: Design one-way slab as shown below to carry the live load 500-kg/m 2 f. CEE 461: Reinforced Concrete Design, slide 7-11 Example: Slab Design 20’ 20’ Plan View a Section “a” - “a” Design a one-way slab to resist a live load of 60 psf. Plan definition is - a drawing or diagram drawn on a plane: such as. The ratio of longer span panel (L) to shorter span panel (B) is equal or greater than 2. Practical Yield Line Design An introduction to the practical use of Yield Line Theory in the design of economic reinforced concrete slabs, including examples of design of flat slabs, raft foundations and refurbishment. GD&T Tutorial – Datum, Datum Feature and Datum Target Machine and Mechanism Design / By Suvo / Mechanical Engineering There are five different terms starting with the word "datum" in ASME Y 14. RC Slab Design EC2 - Worked example. The bending (flexure) of a one way slab is similar to the bending of a beam. Shear Design (Examples and Tutorial) File. This design guide provides a procedural outline for the design of basic slab bridges using the LRFD Code and also includes a worked example. Cornell University, David Darwin (University of Kansas), Charles Dolan (University of Wyoming) 3. You can set the stiffness type "Orthotropic" in the "Edit Surface" dialog box separately for each surface. DESIGN OF ONE WAY SLABS as per IS 456 | Worked Step by Step | Limit State Design | Mumbai University 2017-12-14 Design of one way slab is covered in this video. The design is in accor-dance with ACI 318, treating a stud as the equivalent of a vertical branch of a stirrup. Slab serif typefaces are known for their distinct personality, and they like to dominate any area in a design they are used in. One way slab design criteria with design example according to ACI Code O SlideShare utiliza cookies para otimizar a funcionalidade e o desempenho do site, assim como para apresentar publicidade mais relevante aos nossos usuários. For example, Figure TA. Post-tensioned, un-bonded one-way slab with draped tendons (midspan moments will be assumed to control) , where is the area of the entire section shown above and is the shaded area. The name waffle comes from the grid pattern created by the reinforcing ribs. Bart Quimby, P. 7 lessons • 1 h. Construction system consisting of: a) precast hollow-core slabs made of prestressed concrete, b) site-placed reinforcement, where applicable, and c) site-cast concrete for filling side joints between slabs and forming the top slab, where applicable, in accordance with Article 59. Other research work relates to the fire resistance of post-tensioned structures, including bonded and unbonded post- tensioned slabs Information on this field will be found, for example, in [28] and [29]. Design a one‐way slab for an interior bay of a multi‐story office building using the information specified below. 6 Distributed Loads on Beams Example 1, page 2 of 3 A x B y A y 3 m 6 m The line of action of the resultant, R, passes through the centroid of the load area. 4 Beam Profile. This type of shear is checked across the total design strip width (column strip plus middle strip) as part of the Design Cut. 11 Approximate Structural Analysis ACI Code 8. The D/B ratio is usually 4-5 for deep foundation. Cantilever slabs are a typical one way slabs. 3 Two-way Slabs (Part I) This section covers the following topics. If the slab is poured separately from the supporting walls then the slab can be considered a simple span. strength, deﬂection and crack control. Design for serviceability and ultimate strength are addressed. Find printable coupons for grocery and top brands. Length of spans: L 1 = 20 ft, L 2 = 24 ft, L 3 = 20 ft. design of the deck slab would require composite highway bridges: worked examples reinforced concrete design to eurocodes includes more than sixty worked out design examples and example of design of continuous one-way slab. below grade and 8 in. Tuesday, 10 December 2019 This book is example hand calculation for design post tension slab Pre-planing. SAFE is the ultimate tool for designing concrete floor and foundation systems. Indian Standards Provision (IS 456-2000):. Analysis and design for singly and doubly reinforced rectangular concrete beam. TN351 - Calculation of Cracked Deflection in ADAPT Software. The one way slab was a composite construction consisting of a bottom piece of 2 14-inch pre-cast, pre-stressed concrete thin slabs known as Filigree slab (see figures 17 to 23), and 7 %-inch cast in place concrete. In one way slab, the ratio of longer span (l) to shorter span (b) is equal or greater than 2, i. DESIGN CRITERIA There are three criteria which must be considered for the design of a conventional one -way slab system: 1. The scope includes flat slabs with orthogonal and irregular layouts of columns, plain soffits, waffle slabs, voided slabs and slabs with edge beams. A slab can be damaged by tree roots if large trees are left too close to the foundation of the house, but on the whole, it has a much stronger foundation than a crawl space. 1 INTRODUCTION Similar to one-way slab, it is seen that the weight of a solid two-way slab can be appreciably reduced by eliminating portions of concrete from the tensile zones. In the slab properties, change the. All information about footings is from Sunset Books "Sheds and Garages". Reinforced Concrete 2012 lecture 10/3 1. Now we will see the analysis of 'One way slabs'. One-way slabs are those supported on two opposite edges. A one-way slab is defined for purposes of this book as a flexural member with depth small relative to other dimensions, supporting (gravity) loads applied normal to and directly over its surface, spanning in one direction between parallel supports, and reinforced for flexure. Conversely, if the load is delivered to the beams and the girders in two directions, then the system is considered two-way. The proposed slab system must be able to be constructed at a reasonable cost. Analysis and Design of Slabs. Browse electrical plan templates and examples you can make with SmartDraw. Beam Design; Column Design; Slab Design; Grid Floor Analysis & Design; Staircase Design; Combined Footing; Dome Design; Isolated Footing; 3 Hinged Arch Design; Circular Beam; Slender Column; Bi-Axial Column; Deflection Calculation; DESIGN OF RETAINING WALL; DESIGN OF L Shaped Cantilever RETAINING WALL; DESIGN OF Reverse L Shaped Cantilever. Slab resting on walls or sufficiently deep and rigid beams on all sides. Ribbed slabs (One-way joists) Introducing voids to the soffit of a slab reduces dead weight and increases the efficiency of the concrete section. This form of construction is not very common because of the formwork costs and the low fire rating. Designed by the architects Pitman Tozer, it is. or greater than 2. The two way shear has stresses much higher than one way shear. In one-way slab, main steel is provided in one span. AS 3600 are clariﬁed. CE A433 RC Design ; T. one way bending: one-way slab two way bending: two-way slab. showed that by using a conventional one-way slab system, longer spans can be achieved without increasing the slab thickness and thus, increasing each of the unit's layout flexibility. The example is made of a slab supported by beams and columns. Design of one way slab using excel sheet I have an excel sheet for designing of two way slab but that sheet is password protected. automatic generation of a step by step design calculation. Monolithic-slab foundations require a perimeter trench. One Way Slab: Two Way Slab: One way slab is supported by beams in only 2 sides. 2 for example, to furnish an design moments and shears in one-way slabs can be found either by elastic analysis or through one way slab is a slab which is supported by beams on the two opposite sides to carry the difference between one way slab and two way one way slab design. One way slab being supported on two opposite sides only leads to the structural action in single direction. Try wl^2/8. Slab thickness considered are 200 and 300mm. Design Of Reinforced Concrete Structures ii Two-Way Slabs 1 1. Design of Pile Cap Excel Sheet. Two way RCC slab designing tool in Microsoft excel developed by Shankar Tayal a 3rd year student of school of infrastructure, Indian Institute of Technology, Bhubaneswar. In slabs with unbonded post-tensioning, the protection of the tendons against corrosion is of extreme importance. •Generally, thickness of slab is sufficient to resist shear stresses, so there is no need for extra shear reinforcement. This appendix presents design examples of the retrofitting techniques for elevation, dry floodproofing, wet. TN404_slab_shear_050611 SHEAR DESIGN IN FLOOR SLABS1 Bijan O Aalami2 1 – ONE-WAY AND TWO-WAY SHEAR Tests have shown that concrete exhibits greater resistance to shear, when the geometry of its support is square, and of about the same dimensions as slab thickness Fig. Are you aware of that? If not than read this article! A complete one way slab article with trick to recognize it and design spreadsheets. One-Way Slab Two-Way Slab One way Slabs Department of Civil Engineering, University of Engineering and Technology Peshawar, Pakistan Prof. The footing slab must resist bending, one-way shear and two-way shear. Dutta , IIT Bhubaneswar. This occurs when one dimension is longer than the other one so that the loads are supported in the short direction. Analysis and Design of Slabs Two Way. 2- Design Concept: One-way solid slabs are designed as a number of independent 1 ft or 12 " wide strips which span in the short direction and supported on crossing beams. If you are seeing this message, you probably have an ad blocker turned on. The Reorganized ACI 318 14 Code - Are You Ready? Neal S. The minimum thickness can be determined by many factors: • Shear strength of beamless slabs (usually a controlling factor); slab must be thick enough to provide adequate shear strength. Design Example of PT One-Way Slab with Parallel Beams. Because most rigid insulation is either 24 in. Use The Same Data Given In The Example (see Below) A One-way Single-span Reinforced Concrete Slab Has A Simple Span Of 10 Ft (3. One-Way Slab with Shallow-Wide Beams. Analysis and Design of Slabs “One Way” Example. Horizontal floor and roof panels span either as one-way or two-way slabs. Monolithic concrete slab is the most cost effective method for constructing cement floors or concrete garage floor. This appendix presents design examples of the retrofitting techniques for elevation, dry floodproofing, wet. You can set the stiffness type "Orthotropic" in the "Edit Surface" dialog box separately for each surface. The new iMac takes that idea to the next level — giving you even more amazing tools to do just about anything. Design Procedure for One Way Slab. Maximum overhang is 3. DESIGN OF ONE WAY SLABS as per IS 456 | Worked Step by Step | Limit State Design | Mumbai University 2017-12-14 Design of one way slab is covered in this video. Slab consists of two types which are one way slab and two way slabs. An example of the design of suc is given in Chapter 20. The one-way slabs are economical up to the span of 3. Bart Quimby, P. The main variation among the two types of slabs - In one way slab load is delivered to one direction only that is the smaller one and therefore, primary reinforcement is presented parallel to the span while temperature or shrinkage reinforcement is presented perpendicular to. and all the design steps are followed to IS 800:2000. Each girder adds half it's supported load to each supporting column. This slab is subducting from east to west. MARBLE SLABS & COUNTERTOPS Marble stone is formed from limestone, superheated to form its unique crystalline structure. Civil Engineering Design (1) 11 Dr. In the previous section we completed the analysis and design of singly reinforced beams for flexure. Figure 1 shows a clear area of 12 m x 8. With a little imagination, you can have a great-looking driveway. Design aid SHEAR 5. Any section along the moment slab should not fail in shear, bending, or torsion when the barrier is subjected to the design impact load. But we have seen designers balance more than 400% DL in some spans, which almost always leads to sudden failure of the slab. 2-: You will be able to get the whole bar bending schedule of slab ,the amount and Cost of steel ( in kgs or tonnes),Cement and Aggregate Required. 5 m in length from the wheels of adjoining vehicles. 3208 & 3209. The current design provisions for shear in two-way slabs are. The thickness of one-way slab varies between 100mm to 150mm or even more depending upon the span and based on the deflection considerations. Slab Design Example. 1 Tension 4. Extended plenum system The extended plenum duct system (see Figure 2 on the next page) generally consists of one or two box-like pieces of ductwork extending from the main. it may be supported by reinforced concrete beams, by masonry wall or directly by column. Load factors 1. Determine moments at critical sections in each direction, normally the negative. Two way beam and slab type. It affords easy transition to Photoshop later. 1 specifies minimum thickness values for one-way solid slabs. There are two types of slab classification based on the direction of bending occurs in these slabs. Design Example of PT One-Way Slab with Parallel Beams. - One way slab design / design of a one way RC slab. Design of Concrete Structures 14th Edition, 2009, by Arthur H. With our 100-year legacy of design innovation, we’re redefining the role of architect to include citizen, influencer of public policy, and advocate for change. Since the load applied to the slab is transferred in one direction to the beams and then to supporting girders and columns, one-way. If a one-way slab is supported on more than two edges and its aspect ratio, i. 0 meter cantilever slab with hairpin reinforcement, staircase (stairs) reinforcement with middle landing and slab landing support, hidden beam for slab opening, one way and two way slab examples. Main reinforcement in slab bridges is designed for Flexural Resistance (5. Daltile is America's leader in tile. This spreadsheet program provides for the design and analysis of post-tensioned concrete one-way beam and slab systems and two-way flat plate slab systems. The Institution of Structural Engineers The Institution of Civil Engineers MARCH 2000 Manual for the design of reinforced concrete building structures to EC2. One-way Reinforced Concrete Slab. A reinforced concrete slab is built integrally with its supports and consists of two equal spans, each with a clear span of 15 ft. The structural capacity of the barrier and concrete moment slab shall be designed using impulse Traffic Loads (TL-3, TL-4, TL-5) in accordance with Sections 5 and 13 of AASHTO LRFD Bridge Design Specifications. 0 m centers. 2 Definitions 4. The codes governing the design of the one-way slab will be ACI 318-02 and IBC 2003. You can see some Design of One Way Slab sample questions with examples at the bottom of this page. This article discusses strategies for building over an existing slab patio or over a deck, and offers links to articles about the specific tasks such as pouring the footings, raising posts, and so forth. requirements. Despite inducing a large amount of moment redistribution by. Finite element design packages can be incredibly useful in the design of PT structures. Others Types of slabs Figure: Grid or Waffle slab One way slab Two way slab. Slabs, beams, columns, and foundations are the key building/house sections which provide the power to stay undisturbed and provide power for good performance during the lifetime. actually a one way slab satisfy the below terms. Department of Mechanics, Materials and Structures English courses Reinforced Concrete Structures Code: BMEEPSTK601 Punching of flat slabs - design for shear at th e column heads used at column heads. Load factors 1. Element Simply supported One End continuous Both end continuous Cantilever One way slabs L/20 L/24 L/28 L/10 Where L is the span length in the direction of bending. One way shear is similar to that in beams, this type of shear is rarely controls the flat slab floors design, the two way shear the failure surrounds the column forming a pyramid shape. com Ezekiel Enterprises, LLC 301 Mission Dr. Details Language English Duration 30 Mins Format. Extended plenum system The extended plenum duct system (see Figure 2 on the next page) generally consists of one or two box-like pieces of ductwork extending from the main. Steedman The floors are of ordinary beam-and-slab construction; that is, they comprise slabs spanning in one direction continuously over several spans, between secondary beams that are themselves supported on columns, or on main beams which transmit the loads to the columns. Main features of the spreadsheet 1. 3208 & 3209. Use fc 3000 psi and fy 60,000 psi - 2635165. I am submitting it to you and i want students or professional engineers to download it and use it for their studies or projects. Beam-and-slab construction: one-way slabs With Charles E. ONE WAY SLAB One-way slabs are those slabs with an aspect ratio in plan of 2:1 or greater,. Simplified design to bs 5400 bridge design to the eurocodes in part d. CE 433, Summer 2013 Slab Design Example 1 / 5 Design a one‐way slab for an interior bay of a multi‐story office building using the information specified below. Title: Design of One Way Slabs 1 Design of One Way Slabs. REINFORCEMENT STEEL SPECIFICATIONS. Design of two way slab. 375 kn-m Ultimate Moment Mu = 1. A slightly deeper section is required but these stiffer floors facilitate longer spans and provision of holes. Neglect compression reinforcement. The warm theme is continued with the cherry wood ceiling. This building is exposed to XC1 exposure class. This course covers the analysis and design of reinforced concrete one way slabs using ACI Code 318-11. The simply-supported beam has a span ‘ = 18 ft and excessive deﬂections will cause damage. 2 WAFFLE SLAB DESIGN 1. Bart Quimby, P. 2- Design Concept: One-way solid slabs are designed as a number of independent 1 ft or 12 “ wide strips which span in the short direction and supported on crossing beams. These airborne noises are not transmitted through a slab but impact noises are, for example, high heels on a tiled floor can be heard in the room below. Concrete Design Continuous Beam/Slab Design Prestressed Beam/Slab Design Flat Slab Design For beams and one-way spanning slabs, you can manipulate long-term deflections by editing the steel reinforcement. So, the slab is one way where L/B ≥ 2. Design Example of ONE WAY SLAB (with detailing) - Free download as PDF File (. Civil Engineering Design (1) 11 Dr. If the ratio of longer dimension of the slab panel to the shorter dimension is greater than or equal to 2 then it is designed as one way slab. Beam and Slab Sections for calculation of a Beam and Slab Sections for calculation of a Beam and Slab Sections for calculation of a Definition of beam cross-section Charts may be used to calculate a Lecture Goals Slender Column Design One-way and two-way slab Slab thickness, h Design of Long Columns- Example A rectangular braced column of a multistory frame building has floor height lu =25 ft. To be able to better evaluate the shear resistance of one-way slabs, a series of experiments was carried out on continuous one-way slabs (5 m x 2. Beam/Slab Profile. In this example, the calculating value of the effective depth d v is equal to the effective depth d minus the concrete cover c on the bottom surface of the slab: , 204 30 174 vout. If you continue browsing the site, you agree to the use of cookies on this website. Topic outline. Use The Same Data Given In The Example (see Below) A One-way Single-span Reinforced Concrete Slab Has A Simple Span Of 10 Ft (3. Reinforcement system of simple supported and continuous one-way slabs, the distribution steel 7. One-way slabs are typically 150 to 400 mm in depth and cover spans of 3 to 12 m. At ultimate load for such a beam, the concrete will theoretically fail (at a strain of 0. If you place a design strip perpendicular to the span, the design system is debatable, but I generally use two-way slab there. Final Design– when the client requirements are ﬁnalised and the chosen preliminary design scheme is fully analysed, designed and detailed for the whole design life, including construction and demolition, covering all limit states. BuildingHow > Products > Books > Volume A > The reinforcement II > Slabs > Two-way See more. and all the design steps are followed to IS 800:2000. The following data is available: Design the concrete slab and calculate the required tensile reinforcement for. The article examines common reinforcement layout of two way slabs and presents suggestions for some good detailing practices. 12 Summary of One-way Solid Slab Design Procedure Once design compressive strength of concrete and yield stress of reinforcement are specified, the next steps are followed: 1. This design is for a typical suspended slab that has dimensions where one-way action occurs. Before understanding the one-way slab or two-way slab, one should understand the slab. The tutorial covers the following aspects of the program: • Modeling of one-way slabs spanning between parallel beams;. Design of One-way Slabs: 1. The preliminary thickness of a solid one-way slab with normal weight concrete and Grade 60 reinforcement is l / 24, where l is the span length in inches. how to design cantilever one-way slab ( Example EC2) how to design two- way slab ( Example Ec2) Examples of worked EC slab design two way slab design and analysis. Detailing is provided as mentioned in SP34. Minimum Depth. RC floor slabs may be supported on a rectangular grid of beams or walls, or directly on columns. 1 Design an R. ACI 360, "Design of Slabs-on-Grade", refers to this as a Type B slab. Flat slab type. Plan View of Floor System Assume partitions will not be damaged by deflections. Marble countertop surfaces are timeless with their classic beauty and elegance. To enforce one-way action, assign small m11 or m22 stiffness modifiers to the slab. Each girder adds half it's supported load to each supporting column. and all the design steps are followed to IS 800:2000. Conventional reinforced flat slabs and. CVEN 444: STRUCTURAL CONCRETE DESIGN ASSIGNMENT #A2 Using the data from assignment #A1, design the continuous beams of the first floor on column lines B and C assuming that they support the one-way pan joint floor system. Similarly, for beams, minimum h is l / 18. Each column supports either one or two, simply supported, uniformly loaded girders. shows the compression block and tension steel of a concrete beam in a balanced condition. An example of how to design one way slab with detailing. Generally speaking, bridges can be divided into two categories: standard overpass bridges or unique-design bridges over rivers, chasms, or estuaries. 00487)(29,000 ksi) = 141 ksi > 60 ksi, use f s ’ = 60 ksi C s = A s ’ f s ’ = (0. 3 Initial sizing 4. in Civil Engineering in IIT Bhubaneswar. 0 m span how the cost will vary for other spans. SLAB DESIGN •In case of one-way slabs, the reinforcement against bending is estimated only for short direction; and a percentage of this reinforcement is placed along long direction. Impact factor. Start here if you're building a roof over a patio or deck. Example C6.