Academic literature on the topic 'Truss purlin'

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Journal articles on the topic "Truss purlin"

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Liu, Ming, Liang Li, Xin Hai Fan, Xi Mei Zai, and Yuan Qing Wang. "Reinforcement and Replacement Technology on Members and Roof Purlin of a Space Grid Structure after Snowstorm Disaster." Advanced Materials Research 671-674 (March 2013): 750–53. http://dx.doi.org/10.4028/www.scientific.net/amr.671-674.750.

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The snow load of a space truss structure subjecting is unevenly distributed after snowstorm disaster, which caused uneven forcing and local damage of the members and roof purlin of the original space truss. The damaged members and roof purlins were strengthened and replaced in loaded condition in order to guarantee the space grid structural safety. The results during the construction process have shown that the presented strengthening plan is successful, which can provide us a good reference of the similar projection.
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Brzezińska, Karolina, and Andrzej Szychowski. "The influence of rotational flexibility of beam-column connection on roof plane rigidity of energy-active cover of frame-purlin hall." Budownictwo i Architektura 12, no. 2 (June 11, 2013): 197–204. http://dx.doi.org/10.35784/bud-arch.2130.

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The paper analyses the influence of the rotational flexibility of beam-column connection on the roof plane rigidity of the longitudinally braced frame-purlin cover of the solid wall hall. The cover is adapted to obtain thermal energy from solar radiation. The roof cover is then provided in the form of a transparent glass barrier which requires considerable roof plane rigidity. The analysis aimed to compare the roof plane rigidity of the frame-purlin cover to those of space structures and truss-purlin covers, depending on the type of longitudinal bracing and rotational rigidity of the beam-column connection. The investigations were conducted for three types of roof plane bracing and different rigidity indexes of the beam-column connection (from u=0 – pin connection, through u=0.25; 0.5; 0.75 – semi-rigid connection, to u=1 – rigid connection). In the transfer of horizontal forces, the interaction of the rigidity of frames with flexible nodes (beam-column) with longitudinal roof plane bracings supported by lateral bracings of gable walls was observed. The highest roof plane rigidity was demonstrated by 2X-shaped and K-shaped braces with rigid nodes at frame corners.
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Crook, John. "VI. The Pilgrims' Hall, Winchester. Hammerbeams, Base Crucks and Aisle-Derivative Roof Structures." Archaeologia 109 (1991): 129–59. http://dx.doi.org/10.1017/s0261340900014065.

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The roof of the so called ‘Pilgrims’ Hall’, Winchester, now dated to c. 1308, has long been recognized as one of the earliest surviving examples of hammerbeam construction. It is somewhat surprising, therefore, that the complete medieval structure, of which the Pilgrims’ Hall forms rather less than half, has not previously been investigated in detail. In its original form it was a six bay building covered by a single roof, which, though of one constructional phase, employed a variety of principal truss types (fig. 1). The three bays at the north end of the complex have masonry walls: they comprise the actual Pilgrims’ Hall, whose most impressive feature is its pair of hammerbeam trusses (pl. XLa). The other three bays had timber framed walls, and were subdivided into a second, two bay hall with a central base cruck truss, and a single bay at the south end of the building. In this paper the term ‘Pilgrims’ Hall’ is used to denote only the three bay hammerbeam hall, while the entire original structure is referred to as the ‘Pilgrims’ range’.The roof and timber framing of the complex must surely rank with those few structures that, in the words of the late R. T. Mason, ‘stand out for their contribution to overall knowledge’. The outstanding significance of the Pilgrims' range in the study of early medieval carpentry is that it included four major ‘aisle-derivative’ roof truss types in a single building: a true aisled truss, a base cruck truss, two hammerbeam trusses, and at least one raised aisle truss. The existence of continuous longitudinal members (arcade plates, cornice plates and a central purlin) and the uniform upper roof structure throughout the length of the range show that the entire roof was erected in a single campaign.
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Wang, Xiao Ping, Li Yu, and Bo Lu. "Roof Structural Program of Main Plant for GuanDi Hydropower Station." Applied Mechanics and Materials 105-107 (September 2011): 2080–85. http://dx.doi.org/10.4028/www.scientific.net/amm.105-107.2080.

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Concrete beam and slab system is commonly applied in the main plant roof of hydropower station, which is difficult for construction and slow, having a great impact on the construction period. For the main plant roof structure (span of 30 metres)of GuanDi hydropower station in Yalong River, this paper proposes three light steel roof systems, which are arched corrugated steel roof, light gauge-steel and shell roof, and carries detailed analyses and comparisons on the force calculation, appearance, the amount of steel, site construction, anticorrosive performance and other aspects. Regarded that the light gauge-steel roof is the most suitable system for the main plant roof of hydropower station, this paper introduces the layout, arched truss design and purlin of light gauge-steel roof, providing reference for design and application of similar projects.
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Dwi Sungkono, Kukuh Kurniawan. "APLIKASI BUILDING INFORMASI MODELING (BIM) TEKLA STRUCTURE PADA KONSTRUKSI ATAP DOME GEDUNG OLAHRAGA UTP SURAKARTA." JUTEKS - Jurnal Teknik Sipil 3, no. 2 (January 14, 2019): 273. http://dx.doi.org/10.32511/juteks.v3i2.278.

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Pekembangan teknologi informasi dibidang konstruksi berkembang semakin pesat. Teknologi virtual building dengan sistem komputasi dikembangkan dengan prinsip Building Information Modeling (BIM), mampu menciptakan modeling secara 3D di bidang konstruksi (arsitektur, struktur dan MEP). Tekla Structures salah satu perangkat lunak berbasis BIM yang mampu membuat dan mengelola data akurat dan rinci. Tekla Structures mempunyai kemampuan dalam modeling, detailing, engineering, drawing, reporting, scheduling. Pembangunan atap dome baja menggunakan sistem truss pada Gedung Olahraga UTP Surakarta dengan bentang 40meter. Memerlukan detail drawing yang baik pada proses fabrikasi, sehingga didapatkan hasil yang presisi pada saat pemasangan. Proses pemasangan dilakukan secara segmented. Gambar fabrikasi atap dome terdiri dari Gambar Arrangement, Section drawing : Kuda-kuda K1 & K2, Anchor bolt plan, Lateral & Windbrace, Purlin & Sagrod, Detail drawing : Rafter 1 s/d 13, Cutting plan. Dan report bill of materials (BOM) terdiri dari Assembly List, Assembly Part List, Bolt List, Material List dan Part List.
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Biegus, Antoni, and Dariusz Czepiżak. "Equivalent stabilizing force of members parabolically compressed by longitudinally variable axial force." MATEC Web of Conferences 262 (2019): 09004. http://dx.doi.org/10.1051/matecconf/201926209004.

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The EN 1993-1-1 model of equivalent stabilizing force qd and Rd of bracings conservatively assumes that the braced member is compressed with a force constant along its length. This assumption is incorrect since the axial force distribution varies along the length of the braced member. As a result, the braced member generates equivalent stabilizing forces different from equivalent force qd and Rd acc. to EN 1993-1-1. This paper presents parametric studies of the equivalent stabilizing forces of the braced, compression top chord of roof trusses. The girder’s top chord is compressed parabolically by a variable axial force. The values of the axial compressive forces is: Nsupp in the support zone of truss and Nspan in the central zone of truss. Parametric analyses of the equivalent stabilizing force and the stress of the purlins and the bracings depending on axial forces Nsupp and Nspan in the braced member were carried out. The investigated problem is illustrated with exemplary calculations of the equivalent force in trusses.
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Rauf, Feisal Abdul. "In God We Trust." American Journal of Islam and Society 22, no. 3 (July 1, 2005): 76–82. http://dx.doi.org/10.35632/ajis.v22i3.1695.

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Question 1: Who are the moderate Muslims, and what are their beliefs andpolitics?FAR: The debate among the participants shows that while the term moderateMuslim is problematic, there is a need to define the attitudinal differencebetween Muslims who can be worked with from those who cannot. Isuggest that the defining feature is between those who believe in a pluralist,multicultural, multi-religious societal contract that allows for differencesof opinions within an over-arching construct, as opposed to thosewho believe in a societal contract that has no space for other religions, ethnicities,or cultures, or even intra-Islamic differences of opinion.1The latter attitude leads to the phenomenon known as “Islamist terrorism,”the modern-day version of the seventh-century Kharijites, who foughtand ultimately assassinated Ali, Prophet Muhammad’s son-in-law, and who,over the following century, developed a political philosophy that justifiedmurdering fellow Muslims, including innocent women and children.Contemporary Muslims need to support that aspect of the war on terror thatis a true jihad against all forms of terrorism, known in classical Islamicjurisprudence as hirabah, and anarchic terrorism that tears the social fabricessential to well-functioning societies. But this cannot be done withoutsimultaneously purging Muslim societies of some other modern “isms” thathave “terrorized” Muslims and still continue to deny them their inalienablehuman rights under the Shari`ah ...
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Łukowicz, Agnieszka, Elżbieta Urbańska-Galewska, and Małgorzata Gordziej-Zagórowska. "Experimental Testing of Innovative Cold-Formed "GEB" Section / Badania Eksperymentalne Innowacyjnego Kształtownika Giętego Na Zimno Typu „Geb“." Civil And Environmental Engineering Reports 16, no. 1 (March 1, 2015): 129–40. http://dx.doi.org/10.1515/ceer-2015-0010.

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Abstract One of the major advantages of light gauge steel structures made of cold-formed steel sections is their low weight so the production of typical single-storey steel structures of this kind of profiles is still rising. The well known profiles, e.o. Z-sections, C-sections and the so called hat-sections studied and described in the literature, are used mainly as purlins or truss components. A new profile GEB was patented for the use for primary load-bearing member in fabricated steel frames. According to the code [1] every novel cross section should be tested to assign the deformation shape and bearing capacity. The paper deals with the numerical and experimental research of bearing capacity of cold formed GEB profiles. The deformation shape and limit load was obtained from bending tests. The GEB cross section bearing capacity was also determined according to codes [1, 2].
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Sherman, I. W. "The Wellcome Trust Lecture: Mechanisms of molecular trafficking in malaria." Parasitology 96, S1 (January 1988): S57—S81. http://dx.doi.org/10.1017/s003118200008598x.

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SUMMARYThe asexual stages ofPlasmodiumliving within the erythrocyte result in growth-related changes in the permeability properties of the red cell for substances such as glucose, amino acids, purine nucleosides, sodium, potassium, calcium, zinc, iron and several antimalarial drugs such as chloroquine, amodiaquine and mefloquine. In most cases such changes do not appear to be due to a modification in the affinity or specificity of red cell transporters; indeed, for most substances the membrane-associated transporters are either unaffected or are partially inactivated. In malaria-infected erythrocytes, where a striking increase in influx has been observed, it has been attributed to the insertion of parasite-encoded transporters into the red cell membrane or the formation of aqueous leaks and/or pores. Leak formation, in the vast majority of cases, does not appear to be dependent on the insertion of plasmodial proteins into the red cell membrane. However, since the data presently available are less than satisfactory for discriminating amongst the various possible transport mechanisms future studies will require painstaking efforts and carefully controlled conditions to discriminate amongst the various transport systems which are operational in the malaria-infected red cell and the parasite.
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Favero, Nathan, Kenneth J. Meier, and Laurence J. O’Toole. "Goals, Trust, Participation, and Feedback: Linking Internal Management With Performance Outcomes." Journal of Public Administration Research and Theory 26, no. 2 (October 17, 2014): 327–43. http://dx.doi.org/10.1093/jopart/muu044.

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Much recent work in the study of public administration has emphasized new challenges and relatively unusual aspects of management. However, it is likely that the core features of traditional public administration play a crucial role, particularly regarding the delivery of performance. The most venerable of these aspects of public management have to do with “internal” management. We focus here on a cluster of key, intertwined management practices: setting challenging but feasible goals, building trust through credible commitments, encouraging employee participation, and providing feedback. We examine the relationship between such internal management at the mid-level, as perceived by subordinates rather than the managers themselves, and educational performance for more than 1,100 schools in the New York City school system over a 3-year period. The results indicate that internal management matters, often sizably, for delivering educational outcomes. The findings are robust to autoregressive specifications and the purging of halo effects, and they hold across multiple performance measures. Managers’ setting challenging goals appears to be especially important in generating educational results.
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Dissertations / Theses on the topic "Truss purlin"

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Holec, Tomáš. "Přepočet a alternativní návrh ocelové konstrukce zimního stadionu v Jindřichově Hradci." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2016. http://www.nusl.cz/ntk/nusl-240268.

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The subject of this thesis is the conversion and alternative proposal to the existing steel structure roofing the winter stadium in Jindrichuv Hradec. The building has a rectangular plan with dimensions of 80 x 52 m. The roof structure consists of lattice trusses and purlins, plotted using lattice steel columns. The other possibilities are parabolic lattice trusses and purlin with fly bracing that were designed and evaluated in accordance with applicable standards. The solution using parabolic trusses is designed on the original footprint of the structure. The distance of each bond is 8 m.
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Baculak, Ladislav. "Zastřešení nádvoří administrativních budov." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2020. http://www.nusl.cz/ntk/nusl-409847.

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Diploma thesis describes the design and assessment of the roof structure that covers the courtyard of office buildings. Structure has a regular floor plan and roof height is 15,0 m. The material if the structure is steel S355, bolts 8.8., steel of the pins is S355. Construction is located in Brno. Two options were produced and designed, evaluated according to the latest standards.
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Makiš, Daniel. "Ocelová konstrukce víceúčelové haly." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2019. http://www.nusl.cz/ntk/nusl-392308.

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The subject of diploma thesis is design and static assessment of steel structure of multipurpose hall. Construction is located in the city Brno. The floor plan is rectangular with dimensions 60 x 80 m. Headroom of the structure is 12,5 m and total height is 16,5 m. A main frame is created of arch truss supported by column and truss structure on both sides. The main frames are joined by purlins. Final support structure was selected from two preliminary variants. For the selected variant was made static calculation of main bearing elements including joints and anchoring, technical report, drawings and bill of quantities.
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Trachtulcová, Šárka. "Výrobní hala." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2018. http://www.nusl.cz/ntk/nusl-372106.

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The subject of this diploma thesis is desigh and assessment of steel structure industrial building. This hall has two bays. The width of the main bay is 30 metres, the width of the second bay is 15 metres. The length of building is 90 metres. Load-bearing system is created of three fixed columns with pin-supported truss beams between. Construction of roof is designed as truss purlin system. There is a bridge crane of 32 tons capacity. The building is situated in area of Uherské Hradiště.
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Pijáčková, Jana. "Zastřešení sportovního stadionu." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2013. http://www.nusl.cz/ntk/nusl-226076.

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The subject of this thesis was to develop a conversion and a variant of the existing steel structure roofing ice rink in Třinec. The building has a rectangular plan on pages 90 m x 60 m, minimum headroom inside the building is given with regard to the requirements of operation. The roof structure is stored in steel and concrete columns around the perimeter at a distance of 7.5 m. Variant solution for the design of new steel roof structure was chosen arc grate. The design consists of 13 main arc lattice girders in the transverse direction for a distance of 7.5 m in the longitudinal direction of the structure consisting of planar lattice strips (girders) and purlins. All this is complemented by a reinforced system. Two dimensions are retained.
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Růžička, Tomáš. "Přepočet a variantní návrh ocelové konstrukce zastřešení zimního stadionu v Jihlavě." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2017. http://www.nusl.cz/ntk/nusl-265352.

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Object of this master thesis is the static verification and variant desing of roof structure of winter sport stadium in Jihlava city. The ground plan dimensions are 60 x 84 m The current structure is composite of truss main girders with parabolic lower chords, and purlins. Axial distances of main girders are 12m. Concrete columns are a support to main girders. The variant desing of roof uses truss girders and truss purlins. They are supported on existing concrete columns. All load bearing members of existing and new design structure have been evaluated according to actual normative rules. The static assessment of the existing structure is not satisfied from viewpoint of ultimate and serviceability limit states (in some elements). The static assessment of the new structure is satisfied from the viewpoint of both limit states.
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Janoušek, Vít. "Ocelová konstrukce průmyslové haly." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2012. http://www.nusl.cz/ntk/nusl-225531.

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The diploma thesis contains design of steel one-aisle industrial hall with span 24 m, length 63 m and height of the holder of a crane track girder 8,7 m. In hall are two overhead cranes, first with load capacity 50 tons and second with load capacity 32 tons. Main structural material is steel S 450. Is processed several versions and one is processed in detail. Drawings contain platform and section of hall and manufacturing drawings of crane runway.
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Bém, Miroslav. "Víceúčelová sportovní hala." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2015. http://www.nusl.cz/ntk/nusl-227528.

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The aim of the master’s thesis is design and assessment of multipurpose sport hall structure. located in Moravské Budějovice. The hall has rectangular ground plan and it is 40 m wide and 48 long. The proposal is developed in four variants according to ČSN EN. Structure is composed of rolling sections and tubes. The main bearing components are arched trusses. In both gable walls are designed steel truss columns. Structure has been accomplished by Scia Engineer 14 and hand computation
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Malý, Jan. "Objekt pro průmyslovou výrobu." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2017. http://www.nusl.cz/ntk/nusl-265431.

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The subject of this diploma´s thesis is the design and assessment of steel structure two-bay building for industrial production. The width of the side aisles is 15 meters and the width of the main aisles is 35 meters. The length of industrial building is 90 meters. The height of the building is 17.4 meters. Steel structure of main aisles consists of main truss, the distance is 6 meters. The main truss consists of truss girder and fixed column. In the main aisles traversed, by bridge crane with a capacity of 20 tons. Steel structure of side aisles consists frame construction. The building for industrial production is designed for the area of Blansko.
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Balázs, Ivan. "Nosná konstrukce objektu kulturního centra." Master's thesis, Vysoké učení technické v Brně. Fakulta stavební, 2012. http://www.nusl.cz/ntk/nusl-225529.

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The aim of the master´s thesis is to design a load bearing steel structure of a community centre in accordance with architectural requirements. The structure consists of a main aisle and two extensions beside. The length of the structure is 62 m, the width 42 m and maximum height 15 m. The main load bearing elements of the structure are transversal restrained columns and truss roof beams. The roof beam for the main aisle is made up of tubes and arched. The lower and upper beams of roof beams for the extensions are straight. The distance between the main columns in 12 m. The purlins for the main aisle are truss structures with arched lower beam, the purlins for the extensions have straight lower beams of truss. There is a storey in the extensions. The structure of ceiling consists of girders and interlocked concrete plate in trapezoid metal plate. The structure is designed for the district of Brno. It is designed in accordance with the ČSN EN 1993 standard.
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Book chapters on the topic "Truss purlin"

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Schäfer, J. "Late 18th-century innovation: The first Mediterranean purlin roof truss in German-speaking Switzerland at Embrach ZH." In History of Construction Cultures, 225–31. London: CRC Press, 2021. http://dx.doi.org/10.1201/9781003173359-29.

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Huang, Leelien Ken. "Constructing Green IT Alignment Framework." In Green Business, 232–54. IGI Global, 2019. http://dx.doi.org/10.4018/978-1-5225-7915-1.ch012.

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Using contingency theory (CT) of fit as a foundation for this research, we report the development of the notion of ‘green IT alignment framework' and its determinants. This is followed by an analysis of the relationship between capability areas (i.e., contextual factors) and green IT alignment while the company pursues GREEN. Data were collected from a case study where a car manufacturer is our research setting—considered as suitable for this type of research. The author found that a total of 18 capability areas over three domains of technical, organizational, and environmental are a premise for green IT alignment. Such capability areas are considered as new and interdependent of traditional strategic alignment capabilities. The results of this research demonstrate an appropriate green IT alignment framework that is trust worthy to construct for understanding the factors of IT-business fit while pursing GREEN. Implications are discussed.
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Bihari, Suresh Chandra. "When Citi was Found Sleeping." In Advances in Marketing, Customer Relationship Management, and E-Services, 258–77. IGI Global, 2014. http://dx.doi.org/10.4018/978-1-4666-4357-4.ch021.

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“Citi never sleeps” is the famous signature claim of Citi bank. But their claim was made a mockery in a high profile branch in India where several depositors and high-net worth individuals were duped in a fraud to the tune of Rs 460.91 crore, engineered by their Global Wealth Manager Shivraj Puri who was working at Gurgaon branch of the bank. Corporate houses like the Hero group and 20-odd people invested in schemes which were sold to them by showing them a forged letter of the market regulator, Sebi. The clients were offered super normal returns and were lured by the Relationship Manager who enjoys a special relationship of trust and confidence with the clients. The clients were cheated understandably for their lack of understanding of the nuances of the product. But the greater issue at stake was the onerous practices of Wealth Management by banks in India and the lack of regulatory control in this fast developing area that allowed the incident to happen in the first place.
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