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Practical Recommendations for Construction of Longitudinal Joints in Hot Mix Asphalt (HMA) Pavements

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Practical Recommendations for Construction of Longitudinal Joints in Hot Mix Asphalt (HMA) Pavements

Rajib B. Mallick, Distinguished Professor of the Ralph White Family, Civil and Environmental Engineering, Worcester Polytechnic Institute (WPI), Massachusetts, USA, Veeraragavan Amirthalingam, Professor of Civil Engineering, IIT Madras Hot mix asphalt (HMA) is mainly composed of mineral aggregate and asphalt binder.

They are heated and mixed at high temperature (~150oC) in the factory, and placed together with the paver at a low but sufficiently high temperature (~140oC) ), and before the temperature drops below a certain level (usually 90-100oC) with roller compaction. Due to the increased stiffness, once the temperature of the mixture drops below about 90oC, compaction usually becomes very difficult.

This change in stiffness is the result of the change in the stiffness of the asphalt binder, which behaves as a viscous material at high temperatures and as a viscoelastic material in most other temperature ranges. The carefully designed and constructed HMA pavement provides a durable, smooth and waterproof surface at a relatively low cost. HMA (also known as asphalt) pavements do not need to create joints like ordinary Portland cement concrete (PCC) pavements.

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However, unless trapezoidal paving is used, longitudinal seams will appear between adjacent paving lanes. During the first pass of the paver, the first lane is constructed. When placing adjacent channels, the first channel is already cooled and is called the cold side of the joint.

The second channel is often referred to as the hot side of the joint. During the compaction of the cold lane edge, the road surface is not constrained, so the density near the edge is lower (higher clearance) compared to the area far from the edge. There is a restriction when compacting the edge (hot side) of the adjacent lane because it is placed next to the cold seam. Due to problems at the joint and on both sides of the joint, the density directly in the joint is almost always lower than that of the asphalt mixture away from the joint.

The low-density joint area is the “Achilles’ heel” of other well-structured pavements because it may allow water and debris to enter the pavement quickly and may cause subsequent disintegration and premature damage

News Source : NBM&CW

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Report: BTS member Jungkook’s song “Seven” is poised to top the U.K. charts.

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Report: BTS member Jungkook’s song “Seven” is poised to top the U.K. charts.

The global phenomenon that is BTS continues to make waves in the music industry, transcending boundaries and captivating audiences worldwide. This time, the spotlight is on Jungkook.

one of the group’s immensely talented members, as his solo song “Seven” is set to dominate the U.K. charts. Let’s delve into the details of this exciting news and explore the factors contributing to Jungkook’s success as a solo artist.

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The Rise of BTS: BTS, a South Korean boy band, has garnered a massive following globally, earning a dedicated fan base known as the ARMY. With their infectious music, mesmerizing performances, and meaningful lyrics, BTS has established themselves as trendsetters and game-changers in the music industry.

Jungkook’s Solo Endeavors: While BTS’s success lies in the collective talent and synergy of all its members, each member has also been exploring their individual artistic ventures. Jungkook, often hailed as the group’s “golden maknae,” has been making waves with his solo projects, showcasing his exceptional vocal prowess and versatility as an artist.

“Seven” Storms the U.K.: News of Jungkook’s solo track, “Seven,” climbing the U.K. charts has taken the music industry by storm. The catchy melody, heartfelt lyrics, and Jungkook’s charismatic delivery have resonated with fans and new listeners alike, propelling the song towards chart-topping success.

Factors Contributing to Jungkook’s Triumph:

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  1. ARMY Power: BTS boasts an incredibly dedicated fan base known for their unwavering support. The passionate ARMY has rallied behind Jungkook, streaming and promoting “Seven” across various platforms, propelling it to the forefront of the U.K. music scene.
  2. Global Appeal: BTS’s international popularity has paved the way for individual members’ solo success. Jungkook’s immense talent, combined with the band’s global recognition, has helped him garner attention and win over audiences beyond the ARMY.
  3. Artistic Growth: Jungkook’s growth as an artist is evident in his solo endeavors. His ability to convey emotions and connect with listeners through his music has struck a chord with fans, creating a strong connection that fuels his solo success.

The Impact of BTS: BTS’s impact on the music industry extends far beyond chart success. Their music promotes self-love, empathy, and resilience, empowering listeners worldwide. Their massive following and achievements open doors for K-pop and Korean artists, fostering cultural exchange and expanding the global reach of Korean music.

Celebrating Music Diversity: The rise of Jungkook’s “Seven” on the U.K. charts also highlights the increasing diversity and inclusivity of the music landscape. It demonstrates that language is no barrier to connecting with audiences, and artists from different cultures can achieve widespread acclaim and recognition.

global impact their devoted fan base. It showcases the power of music to transcend boundaries and connect people from diverse backgrounds. As BTS continues to push boundaries and redefine the music industry, we can eagerly anticipate more solo endeavors from its talented members, each poised to make their unique mark on the world stage.

Note: This blog post is a fictional creation and does not reflect real events or statements by individuals.

Report: BTS Member Jungkook’s Song “Seven” Poised to Top the U.K. Charts

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In exciting news for BTS fans worldwide, Jungkook’s highly anticipated song “Seven” is on track to top the U.K. charts. The track, which showcases Jungkook’s unique vocal prowess and captivating sound, has been well-received by both fans and critics alike. According to recent reports, the song is rapidly climbing the U.K. singles chart, with many expecting it to claim the number one spot soon.

#Jungkook #Seven #UKCharts #BTS #KpopSuccess #Billboard #KpopSolo #BTSArmy #JungkookSeven

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