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Artikel GPR Technology Helps Cities Stop Sinkholes Before They Form pertama kali tampil pada todayinasian.com.
]]>In places like Shenzhen, China, GPR systems developed by DECOD Science & Technology, a Singapore-based engineering firm are being mounted on vehicles that roam city streets. These mobile units emit high-frequency electromagnetic waves into the ground, capturing signals that bounce back from underground anomalies such as cavities, broken pipes, or unstable layers of soil.
“It’s like doing a health check for the city’s infrastructure,” said Zhi Haiyan, founder of DECOD. The goal is to identify subsurface risks before roads collapse, avoiding costly damage and safeguarding public safety.
Singapore began using GPR widely after a dramatic sinkhole appeared on Tanjong Katong Road South. Authorities combined radar data with ground probing—drilling rods as deep as 20 meters and seismic scanning, which maps underground layers through reflected sound waves. The integrated data gave engineers a comprehensive view of subsurface conditions before starting road repairs.
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Beyond prevention, GPR has proven useful in emergencies. In Malaysia, GPR was used in rescue missions following a sinkhole that swallowed vehicles, helping locate debris and potential survivors. In Taiwan, it’s used to assess earthquake aftermaths. Even Indonesia is now creating a national sinkhole monitoring program.
However, interpreting radar data isn’t always straightforward. Factors like soil moisture and material types can distort results. To overcome these challenges, researchers in South Korea have introduced AI-powered solutions, including UcNet a convolutional neural network (CNN) that boosts GPR accuracy and reduces false alarms through advanced signal analysis.
Climate change adds further urgency. Frequent cycles of drought and flooding destabilize soil layers, increasing the risk of collapse. Experts warn that passive infrastructure monitoring is no longer enough. Instead, proactive strategies using GPR, AI, and early-warning systems—are essential for building urban resilience.
Traditional responses, such as injecting grout to fill voids, are still in use (as seen in Singapore), but the emphasis is shifting. With real-time diagnostics and predictive modeling, cities can transition from reaction to prevention, shielding infrastructure and citizens alike from the dangers that lurk beneath the streets.
Source: CNA
Artikel GPR Technology Helps Cities Stop Sinkholes Before They Form pertama kali tampil pada todayinasian.com.
]]>Artikel Four Indonesians Arrested for Illegal Entry into Singapore pertama kali tampil pada todayinasian.com.
]]>The men were observed jumping off an unnumbered boat into the waters off Tuas Reclaimed Land and swimming towards the shoreline. In response, a coordinated operation involving the PCG, Jurong Police Division, Gurkha Contingent, Special Operations Command, and the Home Team Unmanned Aerial Vehicles Unit was launched. All four individuals were successfully apprehended within five hours of detection.
Subsequently, the men were charged in court on October 10, 2020, under Section 6(1) of the Immigration Act, Chapter 133, for unlawful entry into Singapore. If convicted, they face a jail term of up to six months and a minimum of three strokes of the cane.
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The individuals have been handed over to the Immigration & Checkpoints Authority for further investigations.
Senior Assistant Commissioner of Police Cheang Keng Keong, Commander of the Police Coast Guard, commended the officers involved for their vigilance and teamwork, stating that the swift arrests are highly commendable. He emphasized that the PCG will continue to take firm action against offenders to safeguard Singapore’s waters and sea borders against crime and security threats, including unauthorized entry into and departure from the country.
This incident underscores the ongoing challenges faced by Singapore in maintaining the integrity of its borders. The authorities remain vigilant and committed to preventing unauthorized entries, ensuring the nation’s security and sovereignty are upheld.
Source: CNA
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