For reinforcement layout 2, the reinforcement was bent towards the toe. Pdf an appropriate detailing of reinforcement in concrete structures is imperative as to basic conduct, security and great execution. This study focused on the reinforcement details used in the dregion, and on how it impacts the capacity, joint efficiency and failure mode of. Twoway concrete slab with beams spanning between supports. Design aids for structural welded wire reinforcement.
Detailing lecture 9 16 th november 2017 reinforced concrete detailing to eurocode 2 ec2 section 8 detailing of reinforcement general rules bar spacing, minimum bend diameter anchorage of reinforcement lapping of bars large bars, bundled bars. Aug 23, 2015 autocad structural detailing slab reinforcementpart i searches related to autocad detail reinforced concrete beam reinforced concrete beam design, reinforced concrete beam design formula. The beam is usually designed as easy beam but extra reinforcement supplied on top with slab to make it behave like a teebeam. Beam design reinforcement details reinforcement detailing. Reinforcement detailing of a slab is done based on its support conditions. Revit structure and reinforcement detailing youtube. The clauses and values for most detailing minima and maxima are given in table 1 below.
If the first slab is a twoway slab, both the behavior and the reinforcement rules are proportionate. In one way slab, major reinforcement is along the side of smaller direction and the reinforcement along the side of longer direction is known as distribution steel. From this study the background to some of the ambiguities were examined more thoroughly in a. Plain slabs similar in shape to ground slabs take the load directly from the floor and transmit it to the beams. Twoway concrete floor slab with beams design and detailing design the slab system shown in figure 1 for an intermediate floor where the story height 12 ft, column crosssectional dimensions 18 in. Atr crosssectional area of the transverse reinforcement along the development length lsy.
If you require any further detailed advice regarding the design and detailing of punching shear reinforcement to either the ec2 or bs8110 standards, please do not. In this class, you will see firsthand how to generate a parametric 3d rebar cage within a few clicks, save rebar cage templates, and apply them on any new projects. Manual for design and detailing of reinforced concrete to. Detailing of reinforcements in beams and slabs plays an important role in providing strength, durability and cost optimization. Manual for design and detailing of reinforced concrete to the. Detailing aspects of the reinforcement in reinforced concrete. Dissemination of information for training brussels, 2021 october 2011 25 eurocode 2. Rules and guidelines for detailing of reinforcement that might be difficult to interpret or understand were identified by an initial study of the european standard. Reinforcement calculation detailing beams beam 2 case 1. Aug 23, 2017 this video describes how the the reinforcement is placed at the site.
The best rebar detailing tools for revit autodesk university. Reinforcement detailing of reinforced concrete slabs. Architectengineers ae prepare design drawings that develop required strengths by applying rebar size, spacing, location, and lap of steel. Step 3 cover to reinforcement determine cover required to reinforcement as per tables 11. Concrete slabs come in a variety of forms depending on their locations. In this seminar, guidelines for successful detailing in structural elements and connections are outlined. Anchorage and lap splicing detailing of slabs, columns, beams.
Pdf files in the structure component plans for each bridge number. Pdf detailing of reinforcement detailing of reinforcement. Detailing of reinforcement detailing of reinforcement in concrete structures in concrete structures. The slabs possessing ratio of longer length to its smaller length lylx higher than 2 is known as one way slab or else as two way slab. Two way slab is a slab in which the ratio of longer side to the shorter side is.
Two way slab is a slab in which the ratio of longer side to the shorter side is less than or equal to two. Reinforcement detailing or rebar detailing is the discipline of preparing shopplacing drawings or shop drawings of steel reinforcement for construction. A flat slab is a reinforced concrete slab supported directly by concrete columns without the use of beams. Reinforcement details of concrete beams and slabs should specify clearly about cover to reinforcement, length of reinforcement, curtailment of reinforcement, number and diameter of reinforcement to be provided. Extract from how to design concrete structure using eurocode 2. A design engineers responsibility should include assuring the structural safety. Openings in the top mat of reinforcement allow access to lower levels change. Twoway joist concrete slab floor waffle slab system analysis and design design the concrete floor slab system shown below for an intermediate floor with partition weight of 50 psf, and unfactored live load of 100 psf.
Slab reinforcement and beam reinforcement details daily civil. Manual for design and detailing of reinforced concrete to september 20 the code of practice for structural use of concrete 20 contents 1. Autocad structural detailing slab reinforcementpart i searches related to autocad detail reinforced concrete beam reinforced concrete beam design, reinforced concrete beam design formula. This video describes how the the reinforcement is placed at the site. For reinforced concrete structures, subject to earthquake loadings in seismic design. The program calculates and details the slab reinforcement, either as an arrangement of individual bars, a pattern of prefabricated meshes, or a combination of both. Slab supported on two sides and bending takes place predominantly in one direction only is called one way slab. Start the reinforcement module of autocad structural detailing. Sep 03, 2011 draw panel of slab and indicate maximum design moments, shears and in plane loads, if any, per unit width of slab. Slab reinforcement and beam reinforcement details daily. The main purpose of creating these videos is to share knowledge about autodesk and other software for engineering students who just started learning autodesk and another.
Dowel bars dowel bars must also be designed for any outofplane wind and seismic forces that act on the wall. Reinforcement calculation detailing beams beam 2 case 1 beam b case 3 slabs slab ab12 case 1 columns column b2 case 2. Slab may be supported on walls or beams or columns. 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. If you continue browsing the site, you agree to the use of cookies on this website. Detailing at discontinuities, and where restraint by supports to the free movement of the slab become critical, requires special attention that is not covered herein. Sandwich slab reinforcement details in reality, sandwich slabs are ribbed slabs with a slab placed both to their upper and lower surface.
This pdf file contains a chapter of 23 pages with various aspects of flat slabs including four example of flat slab design. Reinforcement detailing of reinforced cement concrete slabs. Any additional top andor bottom reinforcement can be in the same layer as the outer, main reinforcement or within the interior layers. Pdf guidelines for detailing of reinforcement in concrete structures. Detailing is as important as design since proper detailing of engineering designs is an essential link in the planning and engineering process as some of the most devastating connections. Tables are included to compare steel areas for reinforcement with a minimum yield strength of 60,000 psi and three higher minimum yield. Shear transfer reinforcement alternate shear transfer reinforcement in slab.
Detailing lecture 9 16 th november 2017 reinforced concrete detailing to eurocode 2 ec2 section 8 detailing of reinforcement general rules bar spacing, minimum bend diameter anchorage of reinforcement lapping of bars large bars, bundled bars ec2 section 9 detailing of members and particular rules beams solid slabs flat slabs columns walls. Torsion reinforcement will be offered at any curve where the slab is easily supported on both margins joining at that bend and is restrained from lifting. What others are saying detailing and design of earthquake resistant buildings made of reinforced concrete. On the other hand, when slab is supported on all four sides and bending take place in two directions are said to be two way slab. The reinforcement areas are calculated automatically from the strap finite element analysis results. A bentup bar called as crank bar is provided to make rcc slab safe from compressive stresses.
In this exercise, you add the formwork of the beam into model space. Good detailing ensures that reinforcement and concrete interact efficiently. Twoway joist concrete slab floor waffle slab system. Rta structural drafting steel reinforcement detailing and detailing manual otb005 issue 1 revision 2 05 march 2010 page 3 of 3 the lap splice length of bars in tension shall be not less than the development length, lsy. Draw panel of slab and indicate maximum design moments, shears and in plane loads, if any, per unit width of slab. Design manual to bs8110 linkstud psr limited co brooks forgings ltd doulton road.
The diameter and spacing of the top reinforcement bars bottom if a transfer slab. Details and detailing of concrete reinforcement aci 31599 reported by aci committee 315 aci 31599 ronald d. The discussion covers the overall layout of reinforcing. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. The lateral loads are independently resisted by shear walls. Detailing aspects of the reinforcement in reinforced. Detailing of reinforcement in concrete structures engineers. The tables in this section simplify the design and detailing of concrete reinforcement splices and required covers. Typical configuration of reinforcement in a deep mat foundation fig. Typical detailing of reinforcements in beams and slabs. Manual for design and detailing of reinforced concrete to the code. Rta structural drafting steel reinforcement detailing and detailing manual otb005 issue 1 revision 2 05 march 2010 page 1 of 3 23 steel reinforcement detailing 23.
Flat slab analysis, design and detailing pdf civil. How to detail reinforcements of twoway slabs quora. For this flat plate slab systems the minimum slab thicknesses per aci 31811 are. This study focused on the reinforcement details used in the dregion, and on how it impacts the capacity, joint efficiency and failure mode of the structure. The formwork in the reinforcement module can be created using macros or using autocad options. The revised concrete code titled code of practice for structural use of. When a beam is designed with slab, referred to as slab beam or teebeam, reinforcements are provided as shown in parent below. Slab supported directly by columns are called flat slab. Buildinghow products books volume a the reinforcement. Manual for design and detailing of reinforced concrete to the september 20 code of practice for structural use of concrete 20 2.
Good detailing ensures that reinforcement and concrete interact efficientlyto provide satisfactory behaviour throughout the complete range of loading. Civil engineering design civil engineering construction construction design structural drawing structural analysis steel structure buildings concrete structure ing civil architecture symbols. Detailing of reinforcment in concrete structures 8. Sandwich slabs may have the disadvantage of a larger weight compared to the ribbed ones but on the other hand, they have the advantage that their spans and supports behave in the same proper way. Detailing page 94, figure 10 punching shear reinforcement. Reinforcement detailing of reinforced concrete structures. In lieu of detailed calculation for deflections, aci 318 code gives minimum slab thickness for twoway construction without interior beams in table 9. Ec2 section 8 detailing of reinforcement general rules.
Welded wire reinforcement, deformed 550 80,000 485 70,000 241 35,000. Architectengineersae prepare design drawings that develop required strengths by applying. Autocad structural detailing slab reinforcementpart i. There are detailed rules for punching shear reinforcement. We will also see how we can speed up your daily job creating bending details on drawing views. Concrete 20 was formally promulgated by the buildings department. Usually, when a slab is supported by a beam the support is considered to be pinned. Behavior and reinforcement of oneway slab the structural frame consists of four columns, two beams and one slab. Anchorage and lap splicing detailing of slabs, columns. Flat slab analysis, design and detailing pdf civil engineering.
1027 1477 819 667 919 1090 1011 531 1526 774 651 526 1441 88 1210 556 1404 773 1251 287 1370 1020 640 785 1390 1103 837 835 632 1399 981 96 1144