A state-of-the-art review of compaction control test methods and intelligent compaction technology for asphalt pavements

2021 ◽  
pp. 1-30
Author(s):  
Suthakaran Sivagnanasuntharam ◽  
Arooran Sounthararajah ◽  
Javad Ghorbani ◽  
Didier Bodin ◽  
Jayantha Kodikara
Keyword(s):  
State Of The Art ◽  
Test Methods ◽  
Asphalt Pavements ◽  
Control Test ◽  
Intelligent Compaction ◽  
Compaction Control

Leveraging Intelligent Compaction and Thermal Profiling Technologies to Improve Asphalt Pavement Construction Quality: A Case Study

2018 ◽  
Vol 2672 (26) ◽  
pp. 48-56 ◽  
Author(s):  
George K. Chang ◽  
Kiran Mohanraj ◽  
William A. Stone ◽  
Daniel J. Oesch ◽  
Victor (Lee) Gallivan
Keyword(s):  
Real Time ◽  
Satellite System ◽  
Material Transfer ◽  
Intelligent Compaction ◽  
Two Factors ◽  
Thermal Profiling ◽  
Compaction Control ◽  
Pavement Construction ◽  
Global Navigation Satellite

Intelligent compaction (IC) is an emerging technology with rollers equipped with global navigation satellite system (GNSS), an accelerometer-based measurement system, and an onboard color-coded display for real-time monitoring and compaction control. Paver-mounted thermal profiling (PMTP) is used to monitor asphalt surface temperatures behind a paver with a thermal scanner, and to track paver speeds, stops, and stop durations. Leveraging both IC and PMTP technologies allows for paving and compaction controls in real time, and for executing appropriate adjustments as needed. A case study is used to demonstrate the advantage of using both IC and PMTP over conventional operations. Postconstruction asphalt coring and tests, as well as pavement profile surveys were conducted to provide asphalt density data and pavement smoothness acceptance data for comparison and correlation analysis with IC and PMTP data. The data from 2 days of operations, one without the Material Transfer Vehicle (MTV) and another with the MTV, were analyzed and compared to illustrate the benefits of using IC, PMTP, and MTV for producing quality pavement products. Durability and smoothness are two key construction qualities for agencies and users of hot mix asphalt (HMA) pavements. These two factors also affect the long-term structural and functional pavement performance.

Estimation of Liquefaction Potential by in Situ Methods

1995 ◽  
Vol 11 (3) ◽  
pp. 431-455 ◽  
Author(s):  
Steven D. Glaser ◽  
Riley M. Chung
Keyword(s):  
Seismic Velocity ◽  
State Of The Art ◽  
Test Methods ◽  
Estimation Methods ◽  
Penetration Test ◽  
Liquefaction Potential ◽  
Current State ◽  
Undisturbed Samples ◽  
In Situ Methods

This report examines the state-of-the-art of in situ methods of estimating liquefaction potential in sands. In situ methods are especially important since “undisturbed” samples of loose sand for laboratory testing are virtually unobtainable. Various penetration test methods are examined, such as the SPT, DMT, and the CPT and variants. These methods are completely empirical in nature, and have worked well to date. The current state-of-practice is an SPT-based method. Intrusive, seismic-based tests are also examined: the cross-hole, down-hole tests, and down-hole logger. The seismic velocity-based predictors have a stronger physical basis than the penetration test-based estimation methods, but need a larger database. A non-intrusive test, the Spectral Analysis of Surface Waves technique, seems especially suited for examining sites of large areal extent.

scholarly journals Recycling Tire Rubber in Asphalt Pavements: State of the Art

2020 ◽  
Vol 12 (21) ◽  
pp. 9076
Author(s):  
Saud A. Alfayez ◽  
Ahmed R. Suleiman ◽  
Moncef L. Nehdi
Keyword(s):  
State Of The Art ◽  
Permanent Deformation ◽  
Engineering Properties ◽  
Asphalt Pavements ◽  
Future Research ◽  
Tire Rubber ◽  
Durability Assessment ◽  
Overall Performance ◽  
Pavement Construction ◽  
Critical Overview

The use of recycled tire rubber in asphalt pavements to improve the overall performance, economy, and sustainability of pavements has gained considerable attention over the last few decades. Several studies have indicated that recycled tire rubber can reduce the permanent deformation of flexible pavements and enhance its resistance to rutting, reduce pavement construction and maintenance costs, and improve the resistance to fatigue damage. This paper provides a systematic and critical overview of the research on and practice of using recycled tire rubber in asphalt pavements in terms of engineering properties, performance, and durability assessment. This critical analysis of the state-of-the-art should enhance the understanding of using recycled tire rubber in asphalt pavements, define pertinent recommendations, identify knowledge gaps, and highlight the need for concerted future research.

Wind Speed Effect on the Time Available for Compaction of Warm Mix Asphalt (WMA)

2020 ◽  
Vol 846 ◽  
pp. 220-225
Author(s):  
Wardati Hashim ◽  
Nur Syahirah Fatinah Mustapa ◽  
Ahmad Kamil Arshad ◽  
Ekarizan Shaffie ◽  
Nur Ilya Farhana Md Noh
Keyword(s):  
Wind Velocity ◽  
Warm Mix Asphalt ◽  
Asphalt Pavements ◽  
Control Mechanisms ◽  
High Demand ◽  
Wind Speeds ◽  
Air Temperatures ◽  
Compaction Control ◽  
Asphalt Paving ◽  
Speed Effect

High demand for new asphalt pavements often requires that paving is to be done in an unfavourable condition such as low air temperatures, high wind speeds, and night construction that will affect the Time Available for Compaction (TAC). In local practice, the asphalt paving compaction control mechanisms quoted from the locally used specifications are normally based on the limits of the delivery and laying completion temperatures. This study was conducted which aim to determine the appropriate TAC of Warm Mix Asphalt (WMA) with the effect of different wind velocity using laboratory tests. It focused on WMA Asphaltic Concrete (AC)14 of mix type for wearing course and AC28 of mix type for binder course. Sample of WMA was prepared in a slab mould instead of typical round mould, which was used to resemble the shape of actual pavement. The different wind velocity was simulated by the fan located at different distance from the sample. The results indicated that the cooling rate of WMA is significantly affected by the wind velocity thus influencing the Time Available for Compaction (TAC), which decrease in average by 10-50% during windy days.

scholarly journals Three decades of international RILEM activities to combat deleterious Alkali-Silica Reactions (ASR) in concrete.

2018 ◽  
Vol 199 ◽  
pp. 03001
Author(s):  
Børge Johannes Wigum ◽  
Jan Lindgård
Keyword(s):  
State Of The Art ◽  
Construction Materials ◽  
Performance Testing ◽  
Test Methods ◽  
Alkali Content ◽  
International Union ◽  
Field Exposure ◽  
Performance Based Assessment

Since 1988, the International Union of Laboratories and Experts in Construction Materials, Systems and Structures (RILEM) Technical Committees (TCs) have been seeking to establish universally applicable test methods for assessing the alkali-reactivity potential of aggregates, and from later on, for concrete mixes. TC 106 (1988 – 2001) focused on accelerated aggregate tests. The successor committee TC 191-ARP (2001 – 2006) also included work on diagnosis/appraisal & specification. TC 219-ACS (2006 – 2014) introduced work on performance testing & modelling. The major recommendations were published as a RILEM State-of-the-art Report in 2016. In 2014, TC 258-AAA was established, scheduling to finish the work on performance-based assessment in 2019. This current TC is focusing on the following Work Packages; WP1Performance based testing concepts, WP2 Relationship between results from laboratory and field and the establishment of field exposure sites, WP3 Testing of potential alkalis released from certain types of aggregates and measurement of internal concrete alkali content, and eventually; WP4 Verification of alkalis released from aggregates.

Use of in Situ Tests in Compaction Control of a Bottom Ash Embankment

2008 ◽  
Vol 2045 (1) ◽  
pp. 10-18 ◽  
Author(s):  
Nayyar Zia Siddiki ◽  
Athar Khan ◽  
Daehyeon Kim ◽  
Travis Cole
Keyword(s):  
Bottom Ash ◽  
Coal Ash ◽  
Test Methods ◽  
Cone Penetration ◽  
In Situ Tests ◽  
Recycled Materials ◽  
Compaction Control ◽  
Dynamic Cone Penetration Test ◽  
Dynamic Cone Penetration

Since 1994, the Indiana Department of Transportation has constructed numerous recycled materials projects that use bottom ash, fly ash, foundry sand, crushed glass, and tire shreds in transportation facilities. All these projects were constructed in accordance with procedural specifications based on conventional compaction control tests such as the nuclear gauge. However, the nuclear gauge does not give accurate density and moisture content results because of the presence of numerous elements in recycled materials. In addition, sand cone tests are cumbersome and time-consuming. There is a need to develop criteria for in situ test methods such as the dynamic cone penetration test and lightweight deflectometer (LWD) testing. Once an initial criterion is established, criteria for compaction control of similar recycled materials can be developed. In a study, a test pad using coal ash was constructed with a combination of roller passes. On the basis of the results of dynamic cone penetration and LWD tests conducted in the test pad, in conjunction with a combination of roller passes, the criteria for compaction control of bottom ash was provided for the construction of the remaining 11-m-high embankment. The subsequent construction monitoring and postconstruction evaluation of the bottom ash embankment revealed that the criteria are very effective.

A state-of-the-art review of parameters influencing measurement and modeling of skid resistance of asphalt pavements

2016 ◽  
Vol 114 ◽  
pp. 602-617 ◽  
Author(s):  
Reginald B. Kogbara ◽  
Eyad A. Masad ◽  
Emad Kassem ◽  
A. (Tom) Scarpas ◽  
Kumar Anupam
Keyword(s):  
State Of The Art ◽  
Asphalt Pavements ◽  
Skid Resistance
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