I have a former kitchen on the ground floor that was sunken into the slab about 6. The foyer rises up for two stories making the home feel extraspacious. Slab on grade is a misnomer, since these types of foundations invariably include turneddown edges similar to, but not as. Slab may be supported on walls or beams or columns. Analysis of two way simply supported slabs with central sunk. Construction details beam and slab dwg detail for autocad. Check out pop ceiling, false or suspended ceiling, wood ceiling, gypsum ceiling, glass, metal, and many more ceiling designs. Based on the stiffness requirement assume suitable depth and calculate the effective span. Slab which is provided below the washrooms to hide the sewage pipes or sewerage pipes is called sunken slab. Builder says they are planning to increase the high of bathroom floor by 4, such that waste water can be taken out to sewer line. In this view, it is considered to analyze a two way simply supported slab of. Of course, for the need of topography, for example, the yard or patio was built on a slope, a sunken space need to be created.
Special care has to be taken to avoid leakage problems. Majority of the sunken slabs are constructed with supporting beams, which leads to the uneconomy of the structure and difficult in arrangement of the centering work. Slabs are usually used in floor and roof construction. See more ideas about sunken living room, house design and conversation pit. Find the following parameters for design moments in step 2 per unit width step 4 note. Reinforced concrete design 1 design of slab examples. Design of reinforced concrete structures ii twoway slabs. Master of science and hereby certify that, in their opinion, it is worthy of acceptance. Rcc slab design in etabs 2016 part 1 beginners tutorial. Drawing labels, details, and other text information extracted from the cad file. In this type, the pipes that carry water are concealed below the floor.
Bending will take place in the two directions in a dishlike fo. Jun 20, 20 bathroom with no sunken slab bathroom in an apartment i booked does not have sunken slab. Plan autocad, cad computer, mosque architecture, electrical plan, apartment plans, cad drawing, mechanical design, civil engineering, steel frame. Slabs can be onground, suspended, or a mix of both. Step down decks in the rear add interest and provide a great place to enjoy the outdoors. A civil engineer must know all the aspects regarding the flat floor system.
The slab under the kitchen looks like its in good shape, no cracks, no moisture. Following are the rcc slab design and detailing guidelines. Bridge approach slab analysis and design incorporating elastic soil support presented by. From the foyer loft with overlook step downstairs into the main living area where you will find the kitchen, family room, dining room and two bedrooms plus the lower porch. Sunken area to be filled in on a slab its in a bar area of a hotel on the ground floor and was originally the lizard lounge or something along those lines. The design of composite slabs and beams is discussed in detail in relation to the eurocodes and bs 5950. Reinforced concrete slab design and detailing guide is456. Issn 2348 7968 analysis and design of an apartment building. Masonry design procedures follow the allowable stress design method of aci530. Flat slab analysis, design and detailing pdf flat slab system is an important division of concrete floor system. Dec 2, 2017 this cad detailed drawing is a typical reinforced concrete slab detail featuring a change of level between two adjucent slabs supported on a common concrete beam. Slab design reading assignment chapter 9 of text and, chapter of aci31802 introduction aci318 code provides two design procedures for slab systems. Design of reinforced concrete structures ii twoway slabs 1 1.
Design of slab examples and tutorials by sharifah maszura syed mohsin example 1. Sunken slab or drop slab in prota structure youtube. After casting sewage pipes in the slab the slab is filled with coal or broken pieces of bricks. This manual p rescribes the criteria for the design of concrete floor slabs on grade in buildings for heavy loads and is applicable to all elements responsible for military construction. Look at the new collection of ceiling design that gives you an idea for changing the ceiling for every room of your house. Sunken living room 12911kn architectural designs house. Wood design procedures are used to design the connections between the foundation system and the structure above and follow the allowable stress design method for wood construction. Jul 09, 2017 reinforced concrete 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. Design a thickened slab to support the columns and. Any documentations or examples of two way or one way solid rc slab detailing with sunken slab, holes or pitch roof design in cad or pdf format. Ceiling design ideas can change the overall look of the room.
Flat slab analysis, design and detailing pdf civil. Requiring a recession in the floor, sunken living rooms and conversation pits a lowered section of a room, with seating are bestsuited to homes with concrete slab or crawl. A courtyard area off the kitchen allows beautiful views from the eating nook as well. Concrete slab floors come in many forms and can be used to provide great thermal comfort and lifestyle advantages. See more ideas about sunken garden, garden design and outdoor gardens. The unique floor plan in this mountain cottage home plan delivers the master bedroom and the foyer loft on the main level. Guide to the construction of sunken slabs rcc construction. Jun 23, 2017 sunken slabs are the slabs which are provided at a certain depth usually 200mm or 300mm below the regular floor level. The construction and design of concrete slabs on grade d. And then space is filled with sand or other light weight materials until the normal floor level.
Introduction concrete slabs on grade are a very common type of concrete construction. For groundbearing slabs, it is important to design the slab around the type of soil, since some soils such as clay are too. For slabs spanning in both directions published tables and charts should be used to find bending moment and shear per unit width of slab. But even more importantly, if weak soil caused the slab to sink, the soil may compress again under the weight of the new slab. Here, we have tried to gather various reading materials available in the web about flat slab floor system in one place. Designing and waterproofing of internal wet areas dr fixit institute. Here are the steps for the design procedure for one way slab in steps. It is a modern way of waterproofing treatment to prevent water leakages in the underground pipes. The floor slab design procedure presented the maximum. Posted may 17, 2016 by filed under concrete leveling if you have sunken or settled slabs, you might be researching the best approach to repair or replace your concrete.
Practice note for authorized persons, registered structural. The building plan dxa3 is one in which the client asked the architect to provide opening all round. The construction and design of concrete slabs on grade. Reinforced concrete slab level change detail reinforced. For those who do not know what are the des ign requirements of a slab. Tm 580912 concrete floor slabs on grade subjected to. Jan 01, 2012 wall street business magnate stephen chu, winner of the strathmores whos who registry honoring the most successful business tycoons in the world, says the demolisher betting system lived up exactly to its billing. Sunken area to be filled in on a slab construction. Pdf analysis of two way simply supported slabs with. Please practice handwashing and social distancing, and check out our resources for adapting to these times.
If sunken slab design is adopted for accommodating pipeworks including both vertical and horizontal pipes associated with bathroomlavatorykitchen in domestic units, the void space between the floor finish and the sunken slab shall not be backfilled with concrete or similar materials which may. Bending will take place in the two directions in a dishlike form. The slab has to carry a distributed permanent action of 1. The finished floor should be sunken by 25 mm from the. Builtins and a bow window in the dining room make an impressive dining spot. Information on other aspects, su ch as materials, construction methods, placement of concrete, and finishing techniques, is. Simply supported one way slab a rectangular reinforced concrete slab is simplysupported on two masonry walls 250 mm thick and 3.
A 2 2area 2 a c 2 2 posttensioned concrete design table 11 list of symbols used in the aci 31808 code cp area enclosed by the outside perimeter of the section, in a g gross area of concrete, in a 2 l total area of longitudinal reinforcement to resist torsion, in a o area enclosed by the shear flow path, sqin a oh area enclosed by the centerline of the outermost closed. Ce 437537, fall 2002 slabongrade example design info 1 8. Sunken slabs are the slabs which are provided at a certain depth usually 200mm or 300mm below the regular floor level. Sunk slabs are slabs which are casted a certain depth 200 or 300 mm or any other depending on design below normal floor level. Reinforced concrete design 1 design of slab examples and.
Pci manual for the design of hollow core slabs and walls, 3rd edition free pdf download mnl12615 this manual presents in detail design of hollow core slabs for gravity and lateral loads. Here the ratio of longer span of slab to the shorter span of slab is less or equals to 2. Ufc 332006a concrete floor slabs on grade subjected to. For 1m slab width, moment, shear force, oneway continuous slab for continuous slab, moment and shear force can be obtained from table 3. Flat slab analysis and design pdf flat slab design pdf 1. Since the pipes that carry water are concealed below the floor, care has to be taken to avoid leakage problems. Sunken slabs are used in the toilets, bathrooms and washing place where we have our washing machines.
Sunken slabs are also used in wet areas where plumbing installations have to be passed to the below or adjacent areas. Design is defined as the decisionmaking process of planning, sizing, detailing, and developing specifications preceding construction of slabsonground. Step down into your huge sunken great room in this spectacular california contemporary home plan, filled with special features. The rest of the larger slab is in similar sound condition. Design of slab for flexure 067 m unit width of slab.
What is a sunken slab and where do we use sunken slabs. In addition to general ultimate and serviceability limit state design issues, practical design considerations such as the formation of holes in the slab, support details, fire protection, and attachments to the slab are discussed. Designing and waterproofing of internal wet areas excerpts from good industry practices waterproofing for internal wet area, building and construction authority, singapore, 2003 and dr. I want to fill in the sunken area so that entire ground floor is one level slab. Sinking concrete slab repair polylevel concrete leveling. Beam design beam data width 200 mm depth 600 mm d 31 mm.
This extra depth is used for placing pipes and utility ducts. Generally, there are two types of slab which are one way and two way slabs. Analysis and design of an apartment building international journal. 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. A shortcut repair adding more concrete to level or even out the slab imposes even more weight on the soil, increasing the risk of sinking in the future. Since the pipes carrying wastewater are concealed below the floor, care has to be taken to avoid leakage problems. The purpose of having a sunken slab is to conceal all the pipes below the floor. Ce 437537, fall 2002 slabongrade example design info 1 8 design the thickness for a slabongrade concrete slab in a warehouse. A concrete slab is a common structural element of modern buildings, consisting of a flat.
If we want to fix english seat in the toilet than there is no need of sunken floor. Item detail mnl126 manual for the design of hollow. Sunken slab detailing structural engineering general. A complete revision of the diaphragm chapter includes the latest design information. Sunk slab is a type of slab cast at a certain depth 200 or 300 mm or any other depending on design below normal floor level.
Mnl126 manual for the design of hollow core slabs free pdf. Guide to the construction of sunken slabs rcc construction civil. There are a few options, three of which well take a closer look at to determine which is the best fit. Fixit healthy construction booklet construct your ideas, 2012, pp. Calculate factored moment and shear force by considering the onemeter width of the slab. Then cement and waterproofing material should be diluted in water and splashed onto the rcc sunken slab.
Design procedure steps for one way slab slab design steps. Detail pile foundation cimentacion, detalles constructivos. The vaulted master suite has its own private vaulted porch with a. The training work includes structural analysis and design of. Sep 03, 2011 reinforced concrete sk 33 section through slab showing stress due to moment. Decorative wood timbers adorn the front of this craftsman home in a most pleasing way. The slab may be supported by walls or by reinforced concrete beams usually cast. Office design do bussiness with us advertize with us. Slab supported directly by columns are called flat slab. Flat slab analysis, design and detailing pdf civil engineering. Two way slab design by direct design method as per aci 31811, step by step procedure and limitations of direct design method for two way slab is presented.
Design the minimum slab thickness to support a fork lift specified below and storage racks specified below throughout. Depending on the total sunken slab area in any given project abs disposable formworks can be considered to fill these areas after installations have passed through. Floor slabs can range from a simple residential basement slab to a heavyduty industrial floor. Step down to the huge sunken living room with a big stone fireplace as the focal point. Two way slabs are such slabs in which the loads are shared by both the shorter and longer direction of the slab. Oneway simply supported slab analysis and design of the slab similar to design of simply supported beam as indicate in the previous chapter. Asce, secb course content slab on grades construction. In back, the formal dining room lies close to the large kitchen and breakfast nook. These materials are originally located at different websites. The use of having a sunken slab is to conceal all the pipes below the. This paper is a part a project analysis of concrete slab with different slab thickness and same sunk depths with.
They can be insulated, both underneath and on the edges. Sunken slab waterproofing is using in the kitchen, bathrooms or toilets and washing places, where we have our washing machines. Unique sunken floor plan 92323mx architectural designs. Two way slab design by direct design method as per aci 31811. Mapei, world leader in the production of adhesives and chemical products for the building industry, has always invested considerable resources into research and development with the aim of constantly developing cuttingedge solutions to be integrated into executive projects. A civil engineer should study these lectures and materials for structural engineering acumen. The building plan dx3 shows the slabs in different levels for the purpose of eliminating the inflow of rainwater into the room from the open terrace and also the sunken slab for toilet in first floor. Heavy loads in building s such as warehouses include moving load s, stationary live loads, and wall loads. Apr 15, 2016 sunk slabs are slabs which are casted a certain depth 200 or 300 mm or any other depending on design below normal floor level.
Design of the composite flooring slab with profiled sheets t153 ruukki for a residential building, 35 pages, 1 appendix saimaa university of applied sciences, lappeenranta technology, civil and construction engineering civil and construction engineering bachelouv theviv 201. Technical design guide for waterproofing introduction mapei, world leader in the production of adhesives and chemical products for the building industry, has always invested considerable resources into research and development with the aim of constantly developing cuttingedge solutions to be integrated into executive projects. Department of civil engineering, scms school of engineering and technology, ernakulum, kerala, india. According to the way loads are transferred to supporting beams and columns, slabs are classified into two types.
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