Description solutions manual reinforced concrete a fundamental approach 6th edition edward g nawy. Learn vocabulary, terms, and more with flashcards, games, and other study tools. No drop panels or column capitals are permitted, but shear reinforcement similar to figure b may be incorporated if necessary. Redesign the typical exterior panel of the floor of exa. This floor was a lively indoor floor with floor finishes located at southwest corner of academic block in civil engg. Effective span a for simply supported beam and slab. Manual for design and detailing of reinforced concrete to september 20 the code of practice for structural use of concrete 20 contents 1. The effective width of slab to be used for the case of lateral loading has not been explicitly addressed in design codes ignoring the slab contribution to the flexural capacity of the beams leads to a significant underestimation in structural strength it may also lead to a failure mechanism different than that anticipated tests were conducted on three onehalf scale reinforced concrete.
Where beams frame into a column from four sides, ties may be. How to design a trapezoidal rcc slab as per indian code quora. Manual for design and detailing of reinforced concrete to. How to design a trapezoidal rcc slab as per indian code. Fall 2005 slab and beam design design three spans of the floor slab and three spans of an interior beam for the structure indicated below. For slabs spanning in both directions published tables and charts should be used to find bending moment and shear per unit width of slab.
Design standards engineer date september 2014 section and pavement ledge detail reinforced concrete bridge approach slab details. This book develops the design methods set out in the associations technical report 550, design of floors on ground. The deck overhang itself is not designed using this method. Reinforced concrete design indian code is 456 strength. Concrete slabs with openings are usually designed with help of traditional rules. The use of the general load tables is illustrated by. C slab to carry a factored load of 15000nm2 inclusive of its own weight on an effective span of 3. Recycled concrete aggregate rca made from demolished concrete waste can be used as replacement for natural aggregate in new concrete construction. Jan 31, 2016 precast concrete extra details partial precast concrete hollow core slab over metal hanger to provide an opening. It was actually the widespread use of the posttensioned slab onground which induced this interest in design procedure and in many studies of reported slab failures. A guide for practicing engineers, nehrp seismic design technical brief no.
Design of roadside barrier systems placed on mse retaining walls explores a design procedure for roadside barrier systems mounted on the edge of a mechanically stabilized earth mse wall. One big advantage is that it considers interactions between the factors. See standard drawing e 703brst01 for reinforcingbar bending 5 joint type ia. Flat slab system is an important division of concrete floor system. This floor was the classroom of eighth semester and hence it was chosen as the first slab for analysis. Curling of concrete floor slabs on grade causes and repairs. Design of reinforced concrete structures ii twoway slabs 8 c. Reinforced concrete design indian code is 456 strength of. Mar 17, 2017 the design of a slab depends on the maximum positive and negative bending moments within the slab. Manual for design of slabs, pile caps and footings. Composite floor decking design and technical information. Oneway slab supported on beams the objective of this tutorial is to demonstrate the stepbystep procedure of adapt pt to analyze and design a posttensioned continuous slab supported on parallel beams or walls. Column ties must be located not more than onehalf a tie spacing above the top of a footing or slab in any story, and not more than onehalf a tie spacing below the lowest reinforcement in the slab or drop panel above section 7. The design and construction of castinplace concrete axial load carrying members including columns and walls both shearwalls and tiltup walls.
A concrete design has been performed on the elements. Reinforced concrete design 1 design of slab examples and. In montgomery 1 factorial design is described as a strategy where the involved factors are varied together instead of e. Reinforced concrete edge beamcolumnslab connections. The basic idea of this method is to extend the typical design procedure for reinforced concrete beams and.
Design is based on characteristic cylinder strengths not cube strengths. The required f f applies only to individual sections of a slab, and per the test method, measurements for a. Building design standards 03 concrete published january 1, 2006. The timing and appropriateness of the method used are of vital importance to the durability of the repair. Control of heat curing based on the prediction of concrete strength erik nordenswan m. In case of a continuous beam or slab, where the width of the support is. Cross sectional constant defines torsional properties c x. The building is located in seismic zone iii on a site with medium soil. L center to center distance between the support b depth of slab.
Design of roadside barrier systems placed on mse retaining. To make distinctions between the equations quoted from the code and the equations. A typical sixspan, oneway slab supported on beams,as occurs in parking structures is selected. Effective span of slab shall be lesser of the two 1. Lifting hooks are very important component in precast concrete units.
It was a breeze to use and the concerete was approximately 2. N2 four twothirdsscale reinforced concrete edge beamcolumnslab subassemblies two concentric and two eccentric connections were tested under quasistatic cyclic lateral loading. Seismic design of composite steel deck and concretefilled. These books are used by students of top universities, institutes and colleges. Reinforced concrete slab design and detailing guide is456.
A six storey building for a commercial complex has plan dimensions as shown in figure 1. Size of beam 300 mm x 350 mm at free end and 300 mm x 450 mm at fixed end and in the wall up to a length of 4. We ended up renting a diamond coated concrete saw to cut a 3ft x 3ft planter square in the concrete slab of our atrium. Lets say you have a 40 x 60 building with a 6 slab perimeter footer is a 12 wide by 12 deep there are 8 type a footings that are 3 sq x 1. Design of normal strength concrete mixtures with recycled. Assume a beam width bw of 12 inches when calculating the slab clear span. A set of general load tables for various types of loading on industrial slabs is provided and a system of loading categories proposed. Using aci coefficients from chapter 12, calculate the design moments and shears and design the slab, using a maximum tensile reinforcement ratio of 0. Call 916 7221700 or fax 916 7221819 to order your copy today. It was actually the widespread use of the posttensioned slabonground which induced this interest in design procedure and in many studies of reported slab failures. The design of groundsupported concrete industrial floor slabs. Precast concrete extra details partial precast concrete hollow core slab over metal hanger to provide an opening. Following are the rcc slab design and detailing guidelines. Use of rca has been limited to nonstructural applications e.
Flat slab analysis, design and detailing pdf civil. Both methods use the same procedure to divide the moments so found between the middle strip and column strips of the slab and the beams if any. Engineering notes for design with concrete block masonry. Reinforced concrete rc is a composite material in which concretes relatively low tensile strength and. Pdf reinforced concrete design or reinforced cement. Reinforced concrete design indian code is 456 free download as powerpoint presentation. A civil engineer must know all the aspects regarding the flat floor system. Founded in 1904 and headquartered in farmington hills, michigan, usa, the american concrete institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensusbased standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design. The elements are subjected to pressure loading in the vertically downward direction.
Slab design reading assignment chapter 9 of text and, chapter of aci31802 introduction aci318 code provides two design procedures for slab systems. In case the supports are wider than 112 of the clear span or 600 mm whichever is less, the effective span shall be taken as under. Instead cantilever overhangs are designed using the approximate strip method described above and used in the design example below. How to design concrete structures using eurocode 2. The recommendations derived from these and other studies vary from extremely light to extremely heavy. The design and construction of castin place concrete. Reinforced concrete should be designed by an engineer in accordance with technical requirement r5. Seismic design of reinforced concrete special moment frames. Trbs national cooperative highway research program nchrp report 663. Additional issues compound the problem for the tile contractor. Solutions manual reinforced concrete a fundamental.
Reinforced concrete slab design and detailing guidelines for depth of slab, loads on slab, reinforcement guide for oneway and twoway slabs as per is 456. Gfrp slab design with calculations signed and sealed deck slab. Where the ends of slabs are cast monolithically with concrete members, surface cracking may develop over the supports. Clark 1981 about us we believe everything in the internet must be free. Seismic design of composite steel deck and concretefilled diaphragms. Here, we have tried to gather various reading materials available in the web about flat slab floor system in one place. Foreword the reinforced concrete design manual sp1711 is intended to provide guidance and assistance to professionals engaged in the design of castinplace reinforced concrete structures.
Slab bridges center for civil engineering earthquake. Design of reinforced concrete structures ii twoway slabs. Reinforced concrete slabs compatibility limit design research. Abstract this report is based on the design of rcc structure under the guidance of mr. N2 four twothirdsscale reinforced concrete edge beamcolumn slab subassemblies two concentric and two eccentric connections were tested under quasistatic cyclic lateral loading. Design pier 3 for the calculated in plane earthquake forces assuming the building is located at a site with a seismic coef. T1 reinforced concrete edge beamcolumnslab connections subjected to earthquake loading. This project is the implementation of our theoretical part into reality. Existing slab thickness is a major factor need to keep the diameter of the drilled hole from being too large. These depend on the shape and size of the slab, location and type of supports fixed, simple support, free etc. The design of suspended floors should conform to requirements of aci 318 and aci 421. Simply supported one way slab a rectangular reinforced concrete slab is simplysupported on two masonry walls 250 mm thick and 3.
For the tile contractor, the high and low spots on a slab meeting f f 35 are the problem areas, the severity of which is directly proportionate to the size of the tile. A guide for practicing engineers applied technology council. The contractor may provide an alternate when epoxycoated steel bars are specified for the reinforcement, in accordance with the details shown, the contractor has the option to provide gfrp slab details are as shown elsewhere in the plans. Selecting the size rebar and spacing is a compromise. Typical industrial loading systems are described and several refinements are introduced. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext.
Manual for design and detailing of reinforced concrete to the code. Redesign the typical exterior panel of the floor of example. The first reinforced concrete design manual formerly titled aci design handbook was developed in accordance with the design provisions of 1963 aci 318 building code by aci committee 340, design. The design strength of unconfined concrete is fc6 ksi, with an assumed ultimate strain of. Now reflecting the new 2008 aci 31808 code and the new international building code ibc2006, this cuttingedge text has been extensively revised to present. Important notes on slab spacing, effective depth etc. Revised june 28, 2019 building design standards division 03 concrete page 4 of 4. Curling of concrete floor slabs on grade causes and. These materials are originally located at different websites. A floor slab has been modeled using 4noded plate elements.
The attached excerpted resource materials have been made. Contribution of rc floor slabs in resisting lateral loads. Onehalf of the positivemoment bars will be discontinued where no longer required. Refer to aci 223 for procedures for the design and construction of shrinkagecompensating concrete slabsonground.
Design of slab examples and tutorials by sharifah maszura syed mohsin example 1. Distribution bars bars provided against shrinkage and temperature. In case of a continuous beam or slab, where the width of the support is less than 112 the clear span, the effective span shall be worked out by following the rule given in a above. Although slab bridges are common type of bridge, the current version of the bridge design specification bds and the seismic design criteria sdc provide limited design guidance for pile extension connection details for slab bridges. The design of a slab depends on the maximum positive and negative bending moments within the slab. Draw to a suitable scale longitudinal section, two crosssections and sectional plan with the following data.
The slab has to carry a distributed permanent action of 1. No engineering standards exist for design of reinforced concrete structures using rca. Using a spreadsheet to help with the design process is encouraged. Control of heat curing based on the prediction of concrete. The design and construction of castin place concrete axial. The effective span of a simply supported beam or slab is taken as the distance between the centre to centre of support or the clear distance between the supports plus the effective depth of the beam of slab whichever is smaller. Flat slab thickness at its column supports with column capitals or. This publication on the design and detailing of reinforced concrete structures is as per the indian code of practice for the design of concrete structures, which is highly recommended to practicing structural design. See below for the reinforcement report for many of those elements. Bs 81034 can be used for the design of suspended ground floors in houses, bungalows and garages. You will need to perform a minimum of 4 calculations. Aspects of design and construction to minimize curling of new industrial floors, the factors that contribute to cracking and curling, measures to minimize curling, and the repair of curled floors are discussed in this paper. So this tool was designed for free download documents from the internet. T1 reinforced concrete edge beamcolumn slab connections subjected to earthquake loading.