Academic literature on the topic 'Reinforced concrete staircases'

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Journal articles on the topic "Reinforced concrete staircases"

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Ghaderi Garakani, Majid, Saeed Mahjoubi, and Shervin Maleki. "Effects of Modeling Staircases on Seismic Responses of Concrete Frames." Advanced Engineering Forum 23 (July 2017): 72–87. http://dx.doi.org/10.4028/www.scientific.net/aef.23.72.

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Staircases in reinforced concrete (RC) frame structures have suffered severe damages in past earthquakes, despite being regarded as the main means of egress during emergencies. To make sure that staircases perform as safe passages in strong earthquakes, the performance of RC stair structures should be scrutinized under major earthquakes. In this research at first, staircases were simulated as shell elements in RC frames and analyzed under gravity loads in order to find the maximum forces and moments. In the second step, the influence of staircases on the structural behavior of RC frame structures under seismic loads was studied. The results showed that stairs act as a K-type bracing system. Furthermore, a parametric study was carried out and relations for calculating force and moment in stairs slabs that had been determined under gravity loads, were modified. In addition, affected areas of structure interacting with the stairs in an earthquake were distinguished.
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Jiang, Huan Jun, Hai Yan Gao, and Bin Wang. "Seismic Damage Analyses of Staircases in RC Frame Structures." Advanced Materials Research 446-449 (January 2012): 2326–30. http://dx.doi.org/10.4028/www.scientific.net/amr.446-449.2326.

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Staircases in Reinforced Concrete (RC) frame structures suffered severe damages in recent earthquakes although they are regarded as critically important passages during emergencies. Staircases act as the first line of defense in earthquakes, and therefore they first yield and fail. Then they lose the action of safe passages so that the anticipated seismic performance objectives cannot be satisfied. To make sure that staircases work as safe passages in strong earthquakes, the current Chinese code for seismic design of buildings claims special requirements on the design of staircases. At first, the influence of staircases on the structural behavior of a typical RC frame structure is studied by the comparison of internal force in the structural members considering and neglecting the effect of staircases under frequent earthquakes. Besides, the effect of staircases on the yielding and failing mechanism of the frame structure is investigated through static elasto-plastic analyses. From this study the reason of the damages suffered by cast-in-site staircases in RC frame structures under earthquakes can be understood.
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Marsono, Abdul Kadir, and Somaieh Hatami. "Evaluation of Coupling Beams Behavior Concrete Shear Wall with Rectangular and Octagonal Openings." Applied Mechanics and Materials 735 (February 2015): 104–8. http://dx.doi.org/10.4028/www.scientific.net/amm.735.104.

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Reinforced concrete coupled walls are cantilevered shear walls joined by coupling beams and are used in high-rise apartment for many years. Rectangular openings are the most common shape of openings used in shear wall in order to provide doors, windows, entrance to car park areas and elevators or staircases. Behavior of coupling beams affect the strength of coupled walls. This research suggests adding haunches to the corners of rectangular openings and form octagonal openings as a method to increase the strength of coupling beams. The experimental results of shear wall with single band of rectangular and octagonal openings are compared in terms of behavior of coupling beams under cyclic load. The results demonstrate that the coupling beams in shear wall with octagonal openings are stronger than coupling beams in shear wall with rectangular openings.
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Simankina, Tatyana, Vitaly Lukinov, and Denis Davydov. "Optimization of intercept parking lots." E3S Web of Conferences 217 (2020): 03010. http://dx.doi.org/10.1051/e3sconf/202021703010.

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The paper discusses the main prerequisites for the development of parking lots. The main problems are estimated, the solution of which is the construction of multi-level intercept parking lots. The urgency of the problem is associated with the increasing gas pollution in the city, an increase in the number of accidents, a decrease in the speed of delivery of goods and the availability of parking spaces in the city center. The parking lot is considered, which provides its functions all year round regardless of weather conditions. At the same time, design solutions and materials were selected to minimize financial costs. The use of steel as the main material for supporting structures makes it possible to reduce the cost of construction. Structural columns, vertical ties and beams are made from it. Floor slabs should be made of reinforced concrete on fixed formwork from galvanized corrugated sheet of various grades. When using sheets with a high corrugation, it is possible to create a ceiling without secondary beams. Staircases, stairways and elevator shafts should also be made from reinforced concrete or from concrete blocks in order to achieve the required fire resistance limit corresponding to that required for parking lot. The appearance of the multi-level intercept parking lot meets modern aesthetic requirements and also has a positive effect on the minds of motorists, appearing as part of a comfortable living environment.
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Chiadighikaobi, Paschal Chimeremeze, Vladimir Jean Paul, and Christopher Kneel Stewart Brown. "The Effectiveness of Basalt Fiber in Lightweight Expanded Clay to Improve the Strength of Concrete Helicoidal Staircase." Materials Science Forum 1034 (June 15, 2021): 187–92. http://dx.doi.org/10.4028/www.scientific.net/msf.1034.187.

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Staircase is a very important structural element found in mostly buildings of more than a floor. The properties of materials and designs used in constructing this structural element are very important. This study addresses the development of ultra-lightweight concrete. How ultra-lightweight concrete can effectively work in helicoidal structure. The flexural strength of this staircase was analysed on a finite element software SCAD. The designed lightweight aggregates concrete is targeted to be used in staircase of a structure having the shape of helicoid. In the concrete, chopped basalt fiber portion was added to each concrete mixture specimen reinforced as reinforcement. The basalt fiber percentages used are 0, 0.45, 0.9, 1.2 and 1.6. The developed lightweight expanded clay basalt fiber concrete showed significant increase in the flexural strength. The loads applied on this helicoidal concrete staircase in SCAD were derived from the laboratory experiments conducted on the concrete specimens on the 28 days curing period. This combination of values exceeds, to the researchers' knowledge, the performance of all other lightweight building materials. Furthermore, the developed lightweight concrete possesses excellent durability properties.
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Marcinkiewicz, Krzysztof, and Matthew Wells. "Staircase showcase for ultra-high-strength fibre-reinforced concrete." Proceedings of the Institution of Civil Engineers - Civil Engineering 167, no. 3 (August 2014): 131–37. http://dx.doi.org/10.1680/cien.14.00003.

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Hing Kwong, Tang, Rudy Tawie, and Siti Rozana Romali. "Forensic to the Reinforced Concrete (RC) Structures at Library." Journal of Advanced Research in Applied Sciences and Engineering Technology 19, no. 1 (June 30, 2020): 6–14. http://dx.doi.org/10.37934/araset.19.1.614.

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This Forensic project has been proposed to investigate the reinforced concrete structure defect at library. There were found 65 points cracks and 20 points spalling in library such as only at reinforced concrete beam and slab part in first floor. The total of cracks which crack width less than 0.25 mm is 63 points and the crack width between 0.25 mm to 5.00 mm is 2 points only. These cracks had categorized as fine cracks because the crack width not more than 5 mm. There was 21 samples Rebound Hammer test was random measured the existing concrete compressive strength of critical structures which six samples at beams, six samples at slabs, six samples at columns and three samples at staircase in library. The Rebound Hammer test shown that average mid-point strength at beam is 33 N/mm2, slab is 25 N/mm², column is 38 N/mm2 and staircase is 37 N/mm2 . Based on the Eurocode 2, the minimum grade concrete required is 25N/mm2 to do the design for reinforced concrete structures, which all the existing concrete strength were achieved the minimum concrete strength. Finally, the Orion software are used to analysis and determine the size of steel reinforcement, the design found the required bar size of steel reinforcement at the middle span or continuous support is 2T16 & 2T25 or 2T20 & 2T25 but the existing steel reinforcement is 2T12 and 2T20 which the existing steel reinforcement could not be sustained the big loading that applied on the library.
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Su, Qi Wang. "Finite Element Analysis of Staircase under Earthquake Action." Advanced Materials Research 163-167 (December 2010): 2964–68. http://dx.doi.org/10.4028/www.scientific.net/amr.163-167.2964.

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The stair is the vertical transport hinge among stories, it becomes a very important component. the stair is seriously damaged in Wenchuan earthquake, and it failed to perform the role for person escaping in case of emergency. a reinforced concrete frame structure with plate stairs as an example, the finite analysis is used. Calculation result shows that plate stairs have a great influence on earthquake resistant behavior of the structure. Designing without the plate staircase in consideration would lead to structural weakness in some columns and cause seriously damage under earthquake and affect the safety of structure.
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Sindhu, Sagar. "Analysis and Design of Multistorey Building." International Journal for Research in Applied Science and Engineering Technology 9, no. VII (July 15, 2021): 1162–67. http://dx.doi.org/10.22214/ijraset.2021.36549.

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The primary focus of this research is to analyze and design a multi-storey building (3D-dimensional reinforce concrete frame), the designing of building begins with making the plan of specific building which include the position of rooms, kitchen, toilet etc. the design should be such that it is up to mark of customer requirements and comport nowadays vastu shastra is also kept in mind while designing. The second step is to design the reinforced concrete part which includes designing of slabs, columns, beams, staircase and footing these designing’s were done manually and all the calculations were done according ACT code and the outcomes were compared using STAAD PRO. I design an office building which is made of reinforced concrete frames and the building has three floors with 12 offices on each floor which sum up to 36 offices and the maximum area of a floor is (21.9*40.9) m2. To complete the architectural design, I AutoCAD program and for analyzing and designing the structure of building I used software known as STAAD Pro v8iSSS.and after both the designing I got the results as the map of a building which is architectural and structural safe. For designing the structural plan and architectural design one requires high imagination power as well as theoretical knowledge and also keen knowledge of science of structural engineering and should know the recent design codes, laws and before designing he should have adequate experience and mind set to reach conclusion. STAAD PRO is a very user friendly software it is and easy to understand and operate. We can input the material properties, load value, dimensions and we can also draw the frame within the software and after taking all the data it analyze the whole structure and design the member with reinforced detail for concrete frame and all the designs are done under specified criteria. These criteria are implemented to keep careful balance between economy and safety.
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Yamov, Vladimir, and Zoya Belyaeva. "Analysis of main causes of defects of multi-storey reinforced concrete frame buildings." MATEC Web of Conferences 279 (2019): 02008. http://dx.doi.org/10.1051/matecconf/201927902008.

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Multi-storey reinforced concrete frame buildings are widespread in Russia. Most of these buildings have braced frame system, where the main load-bearing elements are columns, beams and hollow floor slabs, and the spatial rigidity is provided by additional diaphragms, staircase and elevator section. Such buildings are easy to design and build and are quite multifunctional in purpose. The article on the basis of the authors’ experience in the survey examines the main defects in such buildings. The causes of typical defects can be divided into objective, technological and operational reasons. Usually, the cause of survey can be structural damage discovered by the building owner that is why often the survey is conducted during the emergency condition, which can be avoided, if inspections and monitoring of the structures technical state are regular. Also there is a necessity of improving the design methods of new buildings and strengthening of existing ones.
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Dissertations / Theses on the topic "Reinforced concrete staircases"

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Václavík, Marek. "Autosalon." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2013. http://www.nusl.cz/ntk/nusl-225788.

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This thesis covers brand new detached showroom with one basement and two floors. The building is divided into 2 parts, the major part of the first floor sample room (showroom) for a maximum of 13 vehicles, offices and staff facilities salon. On the second floor is located the finance department and exemplary service area. In the basement of this building are public parking garage for 16 vehicles and car accessories stores. The second part of the new building is just overhead. It consists of a private car service for 5 vehicles, stock tires, utility room, car wash and storage of spare parts for cars. Flat roof supporting structure is made of pre-stressed girders reinforced with cross reinforced concrete slab with insulation. Cladding are ventilated insulated facade, supporting part is reinforced. The showroom form the majority of the building envelope glass facade. Finish of floors in office and showroom premises are ceramic tiles. In the Service and garages cast floor resistant to petroleum substances.
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Machala, Tibor. "Hotel." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2020. http://www.nusl.cz/ntk/nusl-410047.

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This thesis presents a design of a new building — hotel, containing thirty accommodation units, space for employees, restaurant and vine bar meant for both customers of the hotel, and public. Hotel is situated in a cadastral area Brod nad Dyjí. Building consists of basement and five floors with proposed accommodation capacity of sixty people. The basement perimeter walls are designed from reinforced concrete with the width of 300 and 400 mm. The walls are insulated by XPS polystyrene which is 220 mm wide. Perimeter walls of the above-ground floors are proposed as a combination of reinforced concrete and reinforced skeleton concrete supplemented by masonry wall of therm type. All these constructions are insulated by 220 mm wide glass wool facade insulation. The building envelope is a light ventilated facade. All horizontal constructions are projected as reinforced concrete slabs with the width of 250 mm. The roof of the building consists of three flat parts. The lowest part of the roof is designed as a vegetation roof with extensive layer. The roof of the hotel is proposed as walkable with wear layer made of concrete pavement of dimension 400 x 400 mm. Construction of the roof above the fifth floor is designed as one layer flat roof on concrete slab with the width of 250 mm. Inside the object are three reinforced concrete staircases (main staircase, emergency staircase and staircase for staff). The main entrance to the object is situated on the south side of the property, while the staff entrances are located on the east and north-east part. Parking for the object customers is placed in front of the main entrance, parking for staff is situated on the north side. This thesis is processed in the form of project documentation for construction realisation.
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Švadleňáková, Radka. "Mateřská školka." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2015. http://www.nusl.cz/ntk/nusl-227646.

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This thesis solves the design documentation for implementation of kindergarten. The building site is situated in the urban area of village Vlčnov. The building site is sloping. The slope is oriented to the southeast. Kindergarten is designed as detached brick building with two floors and without basement. On each floor there are two departments for children. The total projected number of children is 60. Kindergarten is accessed from the local road. Each floor has its own entrance from southeast and northwest. The first floor is partially roofed by flat roof – terrace and green roof. Second floor is roofed by gabled roof, consisting of wooden lattice trusses. The building includes a garden for movement and play of children.
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Šimková, Lucie. "Knihovna v Hluku." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2015. http://www.nusl.cz/ntk/nusl-227626.

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This Diploma Thesis addresses the new building of the municipal library. Building has two floors and one basement. Operation of library is divided into public and private part. In the basement there are technical facilities, storage space and archive of books. In the first floor is space for the readers and coffee bar. In the second floor is study room, conference room and offices to ensure the operation of the library. All floors are equipped with sanitary facilities and room for staff. The building is covered with flat ply roof.
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Václ, Jan. "Polyfunkční dům." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2013. http://www.nusl.cz/ntk/nusl-226186.

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The thesis deals with new building of the basement multifunctional building with flat roof in town Klatovy. The building has four aboveground and one underground floor. The whole building offers barrier free access. The entrance to the residental part of the building and the stores are on the east side. The entrance to the wine is situated on the west. There are collective garages on the first basement floor. On the first abovegroung floor are selling space, a wine and technical facilities of the building. On the second floor one flat for disabled people and five flats. Six flats are situated od third floor and four flats on fourth floor. The combined construction is made from support system Porotherm and reinforced concrete. The building is based on grillage base from reinforced concrete. The structure of ceiling is made from reinforced concrete. Two elevators and two reinforced concrete monollithic staircases can be found in the building. The roof over the whole building is single-layer with aggravating gravel. The parking is situated in the undergroung part and on the plot belonging to the building and is designed for physiccally disabled people.
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Hůlková, Lucie. "Polyfunkční dům v Liberci." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2013. http://www.nusl.cz/ntk/nusl-225799.

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The subject of my master´s thesis, called „ multifunctional house in Liberec” is to design and elaborate project documentation of the multifunctional house in Liberec. Design of the building respect Land Use Plan of the town on side, and existing build-up area on the street on the other side. Building has one underground floor and three above ground stories. The Ground Floor is partly roofed by flat roof. The third floor has terrace and it´s roofed by saddleback roof.
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Večeřa, František. "Pětipodlažní železobetonová nosná konstrukce administrativní budovy." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2017. http://www.nusl.cz/ntk/nusl-265517.

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Diploma thesis deals with the design of a carrier structure of an administrative building. It is a new building, which is located in the city of Brno. The building is solved as a reinforced concrete skeleton with stiffening core. There ares five overground floors. Thesis is focused on the design and the static assessment of selected parts of the building. It includes a drawing documentation.
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Luža, Radim. "Železobetonová monolitická vícepatrová skeletová konstrukce." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2020. http://www.nusl.cz/ntk/nusl-409799.

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The subject of this diploma thesis is a static solution of selected load-bearing structures of a polyfunctional building. The structures are designed according with ČSN EN 1992-1-1: Design of concrete structures - Part 1-1: General rules and rules for building construction
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Žajdlík, Pavel. "Městská knihovna." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2014. http://www.nusl.cz/ntk/nusl-226530.

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This thesis addresses the new building of the municipal library on 3 floors. Operation of library is divided into public and private part. On the first floor there are dressing rooms, technical facilities, training rooms and spaces for commercial uses, such as a cafe and stationery. Storage spaces of library are using all floors and they are located in a separate wing. The main interest of readers is placed into the second and third floor, there are also offices to ensure the operation of the library. All floors are equipped with sanitary facilities for each building operation. The building is covered with flat roof.
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Kolibač, Radek. "Obytný dům ERASMUS, Brno." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2014. http://www.nusl.cz/ntk/nusl-226927.

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The objective of this thesis was to design and check typical elements of the 5th storey of monolithic reinforced concrete structure of residential building. Horizontal load-bearing structure consists of a continuous slab of six fields with reinforcing ribs, which are located under the building envelope, bidirectional slab simply supported, further staircase beam and lintels in the corridors and loggias. Vertical structures consist of walls and columns.
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Book chapters on the topic "Reinforced concrete staircases"

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Shilong, He, and Song Jirong. "The Seismic Analysis and Design Countermeasures on the Stair Treads of the Folded Plate Staircase in Reinforced Concrete Frame Structure." In Advances in Intelligent and Soft Computing, 649–55. Berlin, Heidelberg: Springer Berlin Heidelberg, 2011. http://dx.doi.org/10.1007/978-3-642-25538-0_91.

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"STAIRCASES." In Reinforced Concrete Design to BS 8110 Simply Explained, 175–84. CRC Press, 2002. http://dx.doi.org/10.1201/9781482288865-20.

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