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On Wednesday, shares in New York-based Barnes & Noble Inc. recorded a trading volume of 847,747 shares. The stock ended the session 1.16% lower at $8.50. The Company's shares are trading 5.61% below their 50-day moving average. Moreover, shares of Barnes & Noble, which operates as a content and commerce company in the US, have a Relative Strength Index (RSI) of 41.71. On April 27th, 2017, Barnes & Noble announced the promotion of Demos Parneros to CEO and a member of the Company's Board of Directors, effective immediately. Commensurate with the appointment of Mr. Parneros, Leonard Riggio will step down as CEO and remain Chairman of the Board of Directors. The free research report on BKS is available at: Bolingbrook, Illinois-based Ulta Beauty Inc.'s stock closed the day 0.61% higher at $290.36 with a total trading volume of 457,606 shares. The Company's shares have advanced 2.95% in the past month, 7.72% in the previous three months, and 13.89% since the start of this year. The stock is trading 3.25% and 11.02% above its 50-day and 200-day moving averages, respectively. Additionally, shares of Ulta Beauty, which operates as a beauty retailer in the US, have an RSI of 67.25. On May 01st, 2017, research firm Piper Jaffray resumed its 'Overweight' rating on the Company's stock, with a target price of $314 per share. The complimentary report on ULTA can be downloaded at: Shares in Atlanta, Georgia-based Genuine Parts Co. recorded a trading volume of 724,484 shares. The stock ended yesterday's trading session 0.01% lower at $92.06. The Company's shares have advanced 1.90% in the past month. The stock is trading below its 50-day moving average by 0.84%. Furthermore, shares of Genuine Parts, which distributes automotive replacement parts, industrial replacement parts, office products, and electrical/electronic materials in the US, Canada, Australia, New Zealand, Mexico, and Puerto Rico, have an RSI of 50.25. On April 20th, 2017, research firm RBC Capital Markets reiterated its 'Sector Perform' rating on the Company's stock with an increase of the target price from $94 a share to $96 a share. On April 24th, 2017, Genuine Parts announced that Thomas C. Gallagher, Executive Chairman of the Company, has informed the Board of Directors of his decision to retire as an executive officer and employee, effective June 30th, 2017. Mr. Gallagher will continue to serve as Non-Executive Chairman of the Board following his retirement.  Visit us today and download our complete research report on GPC for free at: El Dorado, Arkansas headquartered Murphy USA Inc.'s stock finished Wednesday's session 0.75% higher at $66.25. A total volume of 765,516 shares was traded, which was above their three months average volume of 543,960 shares. The Company's shares have advanced 4.83% over the previous three months and 7.78% since the start of this year. The stock is trading below its 200-day moving average by 4.42%. Additionally, shares of Murphy USA, which operates a chain of retail stores in the US, have an RSI of 35.74. On April 19th, 2017, research firm Wells Fargo downgraded the Company's stock rating from 'Outperform' to 'Market Perform'. On May 01st, 2017, Murphy USA announced financial results for the three months ended March 31st, 2017. Net loss was $3.0 million, or $(0.08) per diluted share, in Q1 2017; total retail gallons were 1.01 billion gallons for the network; and total fuel contribution was 10.1 cpg. The Company also reported that five stores opened during the quarter with construction in progress at 35 new sites, including 17 raze-and-rebuild locations. Get free access to your technical report on MUSA at: Stock Callers (SC) produces regular sponsored and non-sponsored reports, articles, stock market blogs, and popular investment newsletters covering equities listed on NYSE and NASDAQ and micro-cap stocks. 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Bokelman K.,Aurecon SA Pty Ltd | Bastiaanse G.,BKS Pty Ltd | Du Plessis G.,GOBA Pty Ltd | Heymann F.,Bigen Africa Services Pty Ltd | And 3 more authors.
Structural Engineering International: Journal of the International Association for Bridge and Structural Engineering (IABSE) | Year: 2011

South Africa embarked on an accelerated infrastructure development program in preparation of the 2010 FIFA World Cup. This paper describes the structural aspects and the construction of five of ten stadiums which were prepared for this event. The stadiums represent an interesting variety of design concepts. The Soweto Stadium is the biggest with a capacity of 89 000. The stadiums in Cape Town and Durban are located in major economic and tourist areas, and significant investment was made to develop signature structures. For the more rural stadiums in Nelspruit and Polokwane, the challenge was to develop the facilities within strict time and budget constraints.

A statistical property of non-stationary time series is applied to quantify the long-run equilibrium relationship between mechanisms of pavement failure and deterioration. The concept is applied to measured pavement responses from an Accelerated Pavement Test (APT) conducted on the thin (185 mm) Continuously Reinforced Concrete Pavement (CRCP) of the Ben Schoeman freeway in South Africa. The statistical property is that of cointegration, which allows testing for the existence of equilibrium relationships among trending variables within fullydynamic specification frameworks. The predominant failure mechanisms leading to punchout are known to be loss of load transfer capability at transverse cracks and the deterioration of substructure support. The long-term relationship between proxy variables for the mechanisms leading to punchout and pavement deterioration is determined. The average long-term relationship between a change in relative movement and a change in surface deflection at transverse cracks is found to be 17.5. This means that on average a 1.0% increase in relative movement will translate into a 17.5% increase in surface deflection and vice versa. The empirical quantification of the long-term equilibrium relationships between pavement mechanisms of failure and deterioration offers the potential to improve the reliability of design systems and may also be used in pavement management. © RILEM 2012.

ter Haar T.,BKS Pty Ltd
Proceedings of Institution of Civil Engineers: Management, Procurement and Law | Year: 2012

The award-winning Moses Mabhida Stadium, completed in October 2009, is a world-class multi-purpose sporting facility and an iconic, innovative and sustainable landmark in Durban which played host to seven spectacular Fifa World Cup 2010 matches, including a semi-final. The 106m arch, inspired by the Y-shape of the South African flag, was a world first in terms of the design of the arch foundations, involving diaphragm walling to bedrock, massive cappings and springer plinths. Another South African first was achieved for precast design and installation in stadiums.

Findlay W.,BKS Pty Ltd. | Kromhout F.,BKS Pty Ltd.
Concrete Repair, Rehabilitation and Retrofitting III - Proceedings of the 3rd International Conference on Concrete Repair, Rehabilitation and Retrofitting, ICCRRR 2012 | Year: 2012

Bridge B421 is located on Route R555 between eMalahleni (Witbank) and Middelburg in Mpumalanga, South Africa. On 6 January 2011, after heavy rains, road users reported that a large sinkhole has formed in the road behind the eMalahleni Abutment. The routine road maintenance contractor investigated the cause of the sink hole and found that the abutment and wing wall on the downstream side of the bridge has failed. The South African National Roads Agency SOC Limited (SANRAL) contacted an experienced consulting bridge engineer to investigate the reason for the failure. Bridge B421 is a simply supported 4-span bridge with span lengths of 16 m each. The deck consists of simply supported reinforced concrete voided slabs. The piers are wall-type on spread footings and the abutments are wall-type closed abutments with splayed wing walls. The three piers and the Middelburg Abutment were founded on weathered mudstone, but contrary to good practice, the eMalahleni Abutment was founded on clayey sand. The shift in the river channel due to scour during 32 years had shifted the position of river scour to the one abutment. When the Witbank Dam sluice gates were opened on 6 and 7 January 2011, the lack of foundation support due to undermining scour and rapid drawdown water pressure behind the abutment wall combined to cause half of the abutment to fail completely. Route R555, which carries more than 14 000 vehicles a day was closed for traffic. This paper describes the investigations done and the actions taken to support the deck temporarily while constructing a new abutment, supported on piles, underneath the overhanging deck structure, as well as additional works to upgrade the bridge. © 2012 Taylor & Francis Group.

Newmark A.A.,BKS Pty Ltd. | Smuts E.J.,BKS Pty Ltd. | Kruger E.J.,South African National Roads Agency SOC Ltd | Lourens E.,South African National Roads Agency SOC Ltd
Concrete Repair, Rehabilitation and Retrofitting III - Proceedings of the 3rd International Conference on Concrete Repair, Rehabilitation and Retrofitting, ICCRRR 2012 | Year: 2012

This project is located on National Route R27 near Keimoes in the Northern Cape Province of South Africa. The overall objective is to improve traffic capacity and safety of the route, with the main focus being the widening of four single traffic lane bridges over the Orange River floodplain. This paper reviews the upgrading of the three main historic arch bridges. The project included a detailed hydrological and hydraulic assessment which resulted in the raising of two of the structures by approximately 2.5 m to prevent overtopping of the structures during larger flood events. The raising and/or widening had to comply with heritage requirements as these structures, completed in the early 1930's, have significant historical importance. This resulted in the original form and appearance to be retained by using a similar arch configuration and detailing. Construction is currently due for completion early 2013. © 2012 Taylor & Francis Group.

Newmark A.A.,BKS Pty Ltd. | Moyo P.,University of Cape Town | Kruger E.J.,South African National Roads Agency SOC Ltd
Concrete Repair, Rehabilitation and Retrofitting III - Proceedings of the 3rd International Conference on Concrete Repair, Rehabilitation and Retrofitting, ICCRRR 2012 | Year: 2012

This freeway overpass bridge is located near Mossel Bay, South Arica. It consists of a four span beam and slab type structure. Vehicle impact damage to the bridge occurred as a result of an illegally loaded vehicle passing underneath. The impact caused significant damage to an edge beam during which the functionality of this beam was largely destroyed. As a result the beam was mainly supported by the transverse diaphragm beams connected to adjacent beams. It was concluded from a detailed assessment and further design evaluations that repairs would require reconstruction of a section of the beam and the reinstatement of longitudinal tension capacity over the full extent of the beam. The final repair method included positive load application to ensure that the longitudinal and transverse load characteristics of the structure were reinstated. This was done by utilizing post tensioned tendons which were cast into a new in-situ beam web section attached to the inside face of the damaged beam. A new steel plate which would also act as edge armouring provided the optimum solution to reinstate part of the original capacity. On instruction of the owner, the South African National Roads Agency SOC Limited (SANRAL), the effectiveness of the installation was assessed by means of dynamic based condition assessment before and after completion. These tests were performed by the University of Cape Town, Department of Civil Engineering, and proved that the rehabilitation intervention was successful in restoring the interaction between the damaged beam and the rest of the bridge and reinstating the load transfer capacity. © 2012 Taylor & Francis Group.

De Wet D.P.G.,BKS Pty Ltd
Journal of the South African Institution of Civil Engineering | Year: 2010

Weigh-in-motion (WIM) scales are installed on various higher order roads in South Africa to provide traffic loading information for pavement design, strategic planning and law enforcement. Some WIM systems produce anomalies that cannot be satisfactorily explained even by highly experienced professionals. Much of the problem relates to the difficulty in determining the appropriate calibration factors to correct systematic measurement error for WIM systems and the inadequacy of data quality management methods. The author has developed a post-calibration method for WIM data, called the Truck Tractor (TT) method, to correct the magnitude of recorded axle loads in retrospect. In addition, it incorporates a series of data quality checks. The TT method is robust, accurate and adequately simple for use on a routine basis for a wide variety of South African WIM systems. The calibration module of the TT method (i.e. the procedure to determine the calibration factor kTT) has been accepted by SANRAL and incorporated into the model it uses to quantify the cost of overloading on toll concessions. Some of the data quality checking concepts are also being considered for further use and threshold values for tests are being refined by SANRAL for this purpose.

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