The thickness of stairs will be determined for the conditions defined for cantilever oneway slabs. Direct design method ddm for slab systems with or without beams loaded only by gravity loads and having a fairly regular layout meeting the following. Aci 31599 details and detailing of concrete reinforcement. Differences include drop panel and column capital draw figures.
Hello friends, in this video lecture today i will teach you the important guidelines for design of an rcc slab. Reinforcement details from given data for the following with bar bending schedules. Reinforced concrete design 1 design of slab examples and. A concrete slab is a common structural element of modern buildings, consisting of a flat, horizontal surface made of cast concrete. Reinforced concrete design 1 design of slab examples. A reinforced concrete slab is the one of the most important component in a building. Construction detail to build reinforced concrete steps rise and tread of a staircase. Accordingly, main reinforcement is required in the two directions. Guideline for construction of rcc buildings ministry of works and. Reinforced concrete, as a composite material, has occupied a special place in the modern construction of different types of structures due to its several advantages. The slab has to carry a distributed permanent action of 1. Footings must be designed for culverts without floor slabs. Steelreinforced slabs, typically between 100 and 500 mm thick, are most often used to construct floors and ceilings, while thinner mud slabs may be used for exterior paving see below.
In many domestic and industrial buildings, a thick concrete slab supported on. Various types of rcc slabs design of rcc structures. Rcc takes advantage of both soil and concrete construction techniques. Due to its flexibility in form and superiority in performance, it has replaced, to a large extent, the earlier materials like stone, timber and steel. It is better to provide a max spacing of 200mm8 for main bars and 250mm10 in order to control the crack width and spacing. Design of sections and reinforcement arrangements for slabs, beams, columns and walls using the results from 3 production of arrangement and detail drawings and bar schedules this structural design process has been carried out under use of bs8110 design code of practice. Dec 16, 2014 reinforcement detailing of a slab is done based on its support conditions. The main objective of this project is to analyze and design a multistory building 3ddimensional reinforce concrete frame, the design of reinforced concrete slabs, beams, columns, footings and. Mcq on rcc structures design set 02 objectivebooks. Design of reinforced concrete structures ii twoway slabs 8 c. Step reinforcement detail on a slab stairs cross section. Reinforced concrete construction formwork flat surfaces element bottom.
Slab supported directly by columns are called flat slab. Slab supported on two sides and bending takes place predominantly. The slab design for particular floor may be done in tabular form as shown below. Cross sectional constant defines torsional properties c x. Sloping slabs under gravity load would be subjected to bending and axial thrust. The width of the flange of a lbeam, should be less than. Checklist for rcc slab and beams online civilforum. Mention the differences between flat slab and flat plate. Engineering cad drawings 500599 engineering cad drawings and templates waste storage drawings no. Rcc slab culverts of various spans for double lane have been based on the standard drawings as per irc. Structural design of a reinforced concrete residential. Sign in a design engineer must take responsibility to ensure structural security of design, details, shop drawing check. Reinforcement detailing of rcc slabs concrete slab. Drawings ofrcc pipe culverts are available for i 000 mm diameter and 1200 mm diameter of type np3np4 conforming to is.
Rcc slabs whose thickness ranges from 10 to 50 centimetres are most often used for the construction of floors and ceilings. If the problem is statically determinate, the equilibrium equations would. Design of reinforced concrete structures ii twoway slabs 1 1. Various types of rcc slabs design of rcc structures civil.
Since this is the input for the the exterior portion of the slab use exterior slab for the name. Consequently, rcc construction benefits from the simplicity of placing. Bending will take place in the two directions in a dishlike form. Tips for design of rcc slab guideline for design of rcc slab. Slab design reading assignment chapter 9 of text and, chapter of aci31802 introduction aci318 code provides two design procedures for slab systems. According to the 1995 aci code, all twoway reinforced concrete slab systems, including edge supported slabs, flat slabs, and flat plates, are to be analyzed and designed according to one unified method, such as. Pavement quantities have been worked out as per the proposed thickness, mentioned in chapter. Civil, environmental and architectural engineering.
Reinforced concrete slab design and detailing guide is456. Drawing shows the step reinforcement steel arrangement. The acute corners of all multiple barrel culverts outside the skew range of 45 to 5 with more than 7 feet 2. Reinforcement detailing of reinforced concrete slabs. Sep 03, 2011 design of reinforced concrete slabs 107 b 1. The design of reinforced concrete structures lecture notes drcs notes pdf book starts with the topics covering limit state method, limit state analysis and design of singly reinforced, limit state analysis and design of section or shear and torsion, continuous slab using i s coef. Pdf reinforced concrete design by s unnikrishna pillai. Maine nrcs engineering standard drawings concrete and. Recommendatlons for detailing of reinforcement in reinforced concrete works udc 721. Provision for impact or dynamic action shall be made by an impact allowance expressed as a fraction or a percentage of the applied live load. Roller compacted concrete rcc is a relatively new construction technique for concrete placement that is being applied for hydraulic structures.
For the designed span, deck slab depth is selected from table. Simple span reinforced concrete slab bridge rating example. Following are the rcc slab design and detailing guidelines. Manual for design and detailings of reinforced concrete to. Maine nrcs engineering standard drawings concrete and asphalt drawings. Staad pro tutorials rcc slab design day 7 civil engineering if you have any problem on staad pro or need any help comment on the video or contact wi. For uniformly distributed loads of w per square foot of the slab, each strip acts approximately like a simple beam uniformly loaded by its share of w. For slabs spanning in both directions published tables and charts should be used to find bending moment and shear per unit width of slab.
Water from the infiltration wells is pumped to a common sump called jack well. Design of reinforced concrete structures drcs pdf notes. Structural design of a reinforced concrete residential building. Slab may be supported on walls or beams or columns. Pdf rcc bridge and culvert design paul tom academia. According to the 1995 aci code, all twoway reinforced concrete slab systems, including edge supported slabs, flat slabs, and flat plates, are to be analyzed and designed according to one unified method, such as direct design method and equivalent frame method. Structural details of slab culverts 3 for spans less than 3. One way slab reinforcement drawing rcc drawing diploma civil engg.
Design of reinforced concrete structures ii twoway slabs. Oneway and twoway slabs oneway slabs transfer the imposed. Firstsecondthird floor slab bottom reinforcement plan. Based on the boundary condition, you can determine the axial thrust and the bending moment. 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. Design of slab examples and tutorials by sharifah maszura syed mohsin example 1. The number of wells to be provided in the riverbed depends on the demand of water. A finite element model may be created to analyse a complicated loading arrangement.
Design of rcc structures lecturer notes topic wise pdf. However, it is important to use the manual in conjunction with relevant codes and. Analysis and design of simply supported one way slab including sketching. Reinforced concrete slab design guidelinesa effective span of slab. Thickness of the slab is decided based on span to depth ratio specified in is4562000. Load transfer in a oneway slab, b twoway slab nilson fig.
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