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Browsing by Subject "Heavy vehicle simulator"

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Caltrans accelerated pavement testing (CAL/APT) program - test results: 1993-1996

Author: Nokes, WA ; Harvey, JT ; Du Plessis, L ; Long, F ; Stolarski, PJ Date: Aug 1997 By combining the results of both the HVS and laboratory tests, interpretations of pavement performance are described and recommendations for pavement design and construction have been made to Caltrans. Read more
Comparison of accelerated pavement test results with long term pavement behaviour and performance

Author: Jooste, FJ ; Kekwick, SV ; Sadzik, ES ; Rohde, GT Date: Aug 1997 The aim of this study was to investigate the following:how accelerated pavement testing predictions compare with actual road behaviour and performance the relative influences of load and environmental factors on pavement deterioration and how ... Read more
Cost benefit analysis of the California HVS program

Author: Du Plessis, L ; Rust, FC ; Horak, E ; Nokes, WA ; Holland, TJ Date: Oct 2008 The University of California, through the UC Pavement Research Centre (UC-PRC) located at Davis and Berkeley, started conducting Accelerated Pavement Testing (APT) research in 1994. This research is conducted for the California Department of ... Read more
Development of a road materials database for Gautrans

Author: Paige-Green, P ; Jones, DJ Date: Mar 2004 The data required for a road materials database was identified and a basic structure formulated during 2003. A set of Excel workbooks and associated worksheets was developed as a foundation for the database and as an interim means of gathering ... Read more
Development of a road materials database: Interim Report: 1st draft

Author: Jones, DJ ; Paige-Green, P Date: Mar 2003 The data required for a road materials database has been identified and a basic structure formulated. A set of Excel workbooks and associated worksheets has been developed as a foundation for the database and as an interim means of gathering ... Read more
Evaluation of precast concrete slabs using a heavy vehicle simulator

Author: Kohler, E ; Harvey, JT ; Du Plessis, L ; Theyse, HL Date: Oct 2008 Precast slabs are considered an attractive pavement option for rehabilitation or reconstruction cases where traffic closures of less than eight hours are required. Benefits include long life expectancy of concrete cast in factory-controlled ... Read more
First level analysis report: comparative testing of HVS Mk IV+ and HVS Mk III on road D2388 near Cullinan

Author: Morton, B ; Theyse, HL Date: Mar 2003 After many years of owning and operating a Heavy Vehicle Simulator (HVS) Mk III, Gautrans acquired a HVS Mk IV+ in May 2002. In addition to the advanced features that this machine possesses in comparison to its predecessor, the HVS Mk IV+ ... Read more
Heavy vehicle simulator (HVS) evaluation of load transfer efficiency and continuously reinforced concrete inlays on the N3 near Pietermartizburg

Author: Du Plessis, L ; Strauss, PJ ; Perrie, BD ; Rossmann, D Date: Jul 2006 The paper addresses two different heavy Vehicle Simulator (HVS) studies conducted on concrete: Load transfer through aggregate interlock and the use of dowels and the evaluation of the performance of an in-service continuously reinforced ... Read more
Heavy Vehicle Simulator aided evaluation of overlays on pavements with active cracks

Author: Viljoen, AW ; Freeme, CR ; Servas, VP ; Rust, FC Date: Jul 1987 Conventional overlay life estimates are often invalidated by the reflection of existing cracks in a pavement through an overlay. This is attributable to a lack of understanding of the factors influencing relative crack movements and their ... Read more
Heavy vehicle simulator and laboratory testing of a light pavement structure for low-volume roads

Author: Theyse, HL ; Steyn, WJVDM ; Sadzik, E ; Henderson, M Date: Jun 2006 Developing countries such as South Africa have an urgent need to create road infrastructure for rural access and urban mobility. Many of these roads will operate under low traffic volumes and only require a sealed, light pavement structure. ... Read more
Implementation of the Gautrans LTPP protocol at three sites

Author: Paige-Green, P Date: Mar 2004 This document describes the implementation of the Gautrans LTPP protocol. Three LTPP sections at existing HVS test sites have been located and market out in accordance with the LTPP protocol developed for Gautrans. Much of the initial ... Read more
Protocol for the establishment and operation of LTPP sections

Author: Jones, DJ ; Paige-Green, P Date: Mar 2004 This document describes a protocol for establishment and operation of long-term pavement performance (LTPP) sections, including those linked to HVS tests. This is detailed under the following headings: Linking LTPP to HVS data collection; ... Read more
Protocol for the establishment and operation of LTPP sections - Inception report

Author: Jones, DJ ; Paige-Green, P Date: Feb 2003 This inception report assesses local and international experience on the development of a protocol for the establishment and operation of Long Term Pavement performance (LTPP) sections in conjunction with Accelerated Pavement Testing (APT). ... Read more
Three decades of development and achievements: the heavy vehicle simulator in accelerated pavement testing

Author: Verhaeghe, Benoit MJA ; Sadzik, E ; Visser, A Date: Aug 2006 Since the 1970s, the South African Heavy Vehicle Simulator (HVS) Programme has had a major technological and economic impact on the design, construction and maintenance of South African roads. It has impacted, for instance, on the development ... Read more
Ultra thin continuously reinforced concrete pavement research in south Africa

Author: Perrie, BD ; Strauss, PJ ; Du Plessis, L Date: Aug 2007 Ultra thin continuously reinforced concrete pavements (UTCRCP), in literature also referred to as Ultra Thin Reinforced High Performance Concrete (UTHRHPC), have been used in Europe successfully as a rehabilitation measure on steel bridge ... Read more
Weak interlayers in flexible and semi-flexible road pavements: Part 1

Author: Netterberg, F ; De Beer, Morris Date: Apr 2012 Weak layers, interlayers, laminations and/or interfaces in the upper structural layers of road pavements are specifically prohibited in most road-building specifications. However, such layers are extremely common and often lead to premature ... Read more

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