Sustainable Energy Resources Infrastructure

CRCHI's Slurry Balance Pipe Jacking Machine Breaks Ground for Colombia's First Project CRCHI has achieved a significant milestone with the successful rollout and acceptance of its slurry balance pipe jacking machine in Changsha, Hunan. This development marks the first entry of a Chinese produced pipe jacking machine into the Colombian market, enhancing the global presence of Chinese equipment. The machine is destined for a critical role in Bogotá's municipal sewage treatment project, which involves tunneling approximately 2.1 kilometers beneath the Bogotá River and navigating through challenging geological strata such as sandy clay, clayey sand, and clay, with tunnel depths ranging from 7 to 11 meters. The project faces several engineering challenges, including poor stability in the crossing strata, difficulty in muck disposal due to the clay layers, constraints due to small working shafts, and the need for long single push distances. To address these issues, CRCHI's R&D team has equipped the machine with several proprietary key technologies. The cutter head features a low opening ratio panel design, combined with a high-speed high-torque hydraulic drive and a high-power high-capacity circulation system, ensuring safe and efficient pipe jacking operations under complex conditions. The machine will soon be dismantled and shipped to the construction site, where it will be reassembled and commissioned for the official start of tunneling. CRCHI will continue to leverage its technical expertise and extensive experience to provide dedicated support, ensuring high-quality and safe advancement of the project. With a commitment to "Innovating through Science and Technology," CRCHI develops and provides cutting-edge technologies and equipment for complex underground network construction worldwide, tackling major engineering challenges with intelligent solutions. Contact us: buff.ly/49sx62V #Ausinland #CRCHI #Tunnel #undergroundconstruction #pipejacking

CRCHI's Multi-functional Arch-Anchor Trolley Revolutionizes Tunnel Construction in High-Altitude Railways Project CRCHI is setting new benchmarks in tunnel construction with its innovative GM123A-FL series arch-anchor trolley, a game-changer for projects in challenging environments such as high-altitude railways. Recently, this state-of-the-art equipment showcased its capabilities on the Sichuan segment of a high-altitude railway project, efficiently handling tasks such as full-section arch installation, mesh connection bar welding, and anchor drilling, which are critical for reinforcing the railway's "backbone". The GM123A-FL series trolley is a marvel of engineering designed to tackle the issues commonly faced with mechanized tunnel construction like equipment bulkiness, complexity, and low flexibility. This machine excels in versatility, equipped to perform multiple functions including arch picking, transportation, erection, anchor drilling, excavation underbreak handling, auxiliary charging, and installation, as well as reinforcement mesh welding. Such multifunctionality integrated into a single machine significantly boosts construction efficiency and safety. Designed to operate in the most demanding conditions, the GM123A-FL can reach a maximum working height of 12 meters and a width of 17 meters, with its central arm capable of carrying up to 3 tons and each side arm 1 ton. It is apt for a variety of constructions, from steel arches to grid arches and hinged arches, covering complete cross-sections and step-method constructions. With its three arms and multiple auxiliary systems including dual baskets and three welders, the trolley can perform arch erection alongside underbreak and welding operations. This reduces the manpower from a traditional 12-13 to just 5-6, highlighting its efficiency and reducing operational costs. CRCHI's commitment to innovation is evident in the GM123A-FL’s design which includes modular components such as anchor drilling units, welding modules, and breaking hammers that can be tailored to specific project needs, offering custom solutions to complex engineering challenges. This approach not only secures CRCHI's position as a leader in tunnel construction technology but also ensures that projects like the Sichuan high-altitude railway tunnel are completed with unprecedented efficiency and precision. visit us: buff.ly/49sx62V #Ausinland #CRCHI #Tunnel #underground

Mastering Complex Terrains: The "Shenwan No. 1" Slurry Balance TBM Triumphs in Guangdong CRCHI, in a notable collaboration with China Railway 14th Bureau, recently celebrated a major milestone with the breakthrough of the "Shenwan No. 1" Slurry Balance TBM, marking the successful completion of one of the most challenging segments of the Sui-Guan-Shen Intercity Railway. This project includes the longest undersea tunnel on the domestic intercity railway between Shenzhen Airport and the Gushu Work Well in China, extending over 4,365 meters with 3,100 meters beneath the Xiwang Sea area. This section was not only the longest solo drive under the sea for the entire line but also the most environmentally risky, as it involved tunneling under major risk sources such as Shenzhen Bao'an Airport and Yunfan Bridge. The geological complexity of the project included nine different strata types ranging from sticky soil and highly sensitive water soil to mixed soft upper and hard lower layers, and high-strength granite. To address these challenges, CRCHI and China Railway 14th Bureau engineered the TBM with numerous bespoke features: an enhanced cutterhead, high-precision air pressure balance control systems, high-pressure main drive sealing systems, multilayer grouting systems, large circulation systems, and large particle anti-blocking discharge capabilities. These innovations significantly boosted the TBM’s adaptability to varied geological conditions. Moreover, to improve the operational environment within the tunnel, the TBM was equipped with a tunnel ventilation and cooling system, enhancing the comfort and safety of the construction crew. Under the meticulous construction management of China Railway 14th Bureau and the technical services of CRCHI, the project meticulously controlled the TBM's alignment and segment selection, ensuring high-quality tunnel formation. This achievement not only highlights CRCHI's advanced capabilities in managing difficult tunnel projects but also solidifies the foundation for the successful completion of the Sui-Guan-Shen Intercity Railway's section from Shenzhen Airport to Qianhai. The completion of this railway segment is a critical part of the Greater Bay Area’s intercity railway network, directly connecting high-speed intercity trains to Qianhai and Bao'an Center. It plays a vital role in enhancing the connectivity of the Guangdong-Hong Kong-Macao Greater Bay Area and fostering regional economic integration. This project stands as a testament to CRCHI’s prowess in TBM technology and its application in high-risk, high-complexity tunneling projects on a global scale. visit us at: buff.ly/49sx62V #CRCHI #Ausinland #TBM #undergourndconstruction #tunnel

CRCHI's Explosion-Proof TBM Sets New Standards in High-Gas Environments CRCHI is revolutionizing the safety standards in tunnel construction with its latest technological breakthrough—a fully integrated explosion-proof Earth Pressure Balance (EPB) TBM. This groundbreaking machine has been successfully deployed in the challenging JiuLong Reservoir Project in Chengdu, marking a significant achievement in non-coal mining tunnel projects that face high methane gas challenges. The JiuLong Reservoir Project, crucial for water security and part of China's major national water plans, encompasses a shield-driven segment stretching over 7,330 meters at depths up to 180 meters. This project faced unprecedented challenges due to its composite geological conditions of sandstone and mudstone, along with high methane emissions exceeding 0.5 cubic meters per minute. The EPB TBM from CRCHI was specifically engineered to tackle these extreme conditions, setting a new record with a monthly advance of 408 meters (340 rings), demonstrating exceptional efficiency and resilience in high-risk environments. CRCHI’s explosion-proof TBM incorporates robust design features to operate safely in flammable and explosive gas conditions. Enhanced safety measures include specialized gas detection and extraction systems, and explosion-proof components, ensuring a secure operating environment for tunnel workers. This TBM not only signifies a major leap in mechanized and intelligent construction for high-gas mining projects but also positions CRCHI as leaders in adopting and promoting advanced safety technologies in global markets. The successful application of this technology not only paves the way for future projects with similar challenges but also demonstrates China's capabilities in handling complex and hazardous engineering tasks on a large scale. Contact us for collaboration: buff.ly/49sx62V

Unveiling CRCHI’s Groundbreaking TBM for the World’s Longest Undersea High-Speed Rail Tunnel CRCHI, in collaboration with the China Railway 11th Bureau, has recently unveiled the "Dinghai" TBM at CRCHI’s first industrial park in Changsha. This TBM, named after the mythical "Dragon King of the Eastern Sea," symbolizes strength and auspiciousness, and is set to tackle one of the most challenging projects in modern engineering—the Yong-Zhou Railway Jintang Undersea Tunnel. This tunnel, destined to be the longest and largest diameter high-speed rail undersea tunnel in the world, represents a significant milestone in infrastructure development. The "Dinghai" TBM is an engineering marvel, approximately 130 meters long with a maximum excavation diameter of 14.57 meters. It is specially designed to address the "four highs, three bigs, and two complex" challenges of the tunnel's construction, which include high excavation diameter, high rock strength, significant geological variability, high water pressure during construction, and complex geological conditions. The integration of slurry balance technology within the TBM allows it to effectively handle these demanding conditions, drawing on CRCHI’s extensive experience and innovative technologies to ensure precise and efficient tunneling operations. The Yong-Zhou Railway Jintang Undersea Tunnel is one of Zhejiang Province’s ten landmark projects and is expected to have a transformative impact on the region. By connecting Ningbo and Zhoushan, it will complete Zhejiang’s rail network, enhancing the integration of these cities into the greater Yangtze River Delta's high-quality development and the "Belt and Road" initiative. CRCHI, along with its Australian partner Ausinland, continues to push the boundaries of TBM capabilities, demonstrating their commitment to advancing global infrastructure with cutting-edge technology and strategic collaborations. This project not only showcases CRCHI's leadership in TBM construction but also sets new standards for future tunneling projects worldwide.

Pioneering Drilling and Blasting Equipment by CRCHI Enhances Major Water Diversion Project CRCHI's advanced drilling and blasting equipment has played a pivotal role in the breakthrough of the main tunnel of the Yijiang-Han Water Diversion Project, achieving an impressive milestone of over 1000 meters. This feat, accomplished four days ahead of the annual target in June 2023, underscores the efficiency and effectiveness of CRCHI's technology in challenging engineering environments. The Yijiang-Han project, a continuation of the Middle Route of the South-to-North Water Diversion Project in China, extends 194.8 kilometers, aiming to transfer water from the Yangtze River in the Three Gorges Reservoir area to the Han River, ending at the Danjiangkou Reservoir. Started on July 7, 2022, this project is crucial for enhancing water distribution capabilities across regions and stabilizing the water supply to the north of China. The tunnel spans approximately 60.5 kilometers through predominantly Class III and IV bedrock, presenting significant challenges such as long-distance hard rock excavation, rock bursts, fault zones, high external water pressure, and sudden inrushes of water. CRCHI's comprehensive suite of equipment, including the fully computerized ZYS113 three-boom rock drilling jumbo, wet spray rigs, bolting rigs, and arch installation rigs, has been instrumental in addressing these complex geological conditions. The ZYS113 jumbo in particular has demonstrated exceptional performance, with an average drilling efficiency of 3.6 meters per minute and excavation precision maintaining overbreak and underbreak within 15 centimeters. The equipment's reliability rate exceeds 98.7%, ensuring average monthly progress of over 150 meters. This represents a significant improvement in project quality, efficiency, and environmental safety over traditional methods, with an overall increase in construction efficiency by 20% and a reduction in operational staff by 30%. This integration of smart technology and information systems into excavation and support operations exemplifies CRCHI's commitment to smart, safe construction practices. As CRCHI's equipment continues to perform in this national-level project, it showcases the potential of advanced drilling and blasting technologies in transforming the construction and mining industries. Visit us at: buff.ly/49sx62V

Revolutionizing Coal Mining: The Success of TBM in Huainan Mining Operations The use of Tunnel Boring Machines (TBMs) in coal mining is setting new benchmarks for efficiency and innovation, particularly demonstrated by the remarkable achievements of the "Gui Dun No. 2" in Huainan's Zhangji Coal Mine. This 4.53-meter open-type mining TBM, developed by CRCHI in collaboration with Huainan Mining Group, achieved a record-breaking monthly advance of 736 meters in December 2023, the highest for any TBM in the national coal mining sector. "Gui Dun No. 2" represents the third generation of CRCHI's 4.5-meter class open-type mining TBMs, tailored to meet the specific geological conditions of Zhangji Coal Mine. It incorporates advanced technologies such as improved pre-drilling equipment, enhanced bolting drills, anti-fall support structures, and interchangeable scraper conveyors/belt conveyors. These features ensure that the machine not only complies with stringent safety regulations but also supports the safe and efficient excavation of mine tunnels. Comparatively, traditional methods of coal mining involve more manual labor and slower mechanical processes, which can lead to higher costs and increased risks. The innovation in TBM technology showcased by "Gui Dun No. 2" offers a glimpse into the future of mining: faster tunnel creation with reduced human exposure to hazardous conditions, and lower overall project costs due to increased efficiency and reduced need for extensive support structures. As TBMs like "Gui Dun No. 2" continue to evolve, they are expected to play a pivotal role in transforming coal mining into a safer, more efficient industry. This success story not only highlights the potential for increased adoption of TBM technology in coal mining but also marks a significant step forward in mining technology innovation. Talk to us today: buff.ly/49sx62V

Driving Towards a Sustainable Future with Ausinland At Ausinland, our vision is centered on creating sustainable energy and resource solutions that are not only cost-effective but also accessible to all. We believe that the path to sustainability does not have to be solitary. Instead, it thrives on openness, sharing, and collaboration. In a landmark move, we have joined forces with #EUREF Beijing in the #carbon #neutrality arena to further this mission. Together, we are propelling forward with initiatives that emphasize new energy development, #decarbonization, energy efficiency, and the pioneering of zero-carbon industrial parks. EUREF has successfully established a zero-carbon industrial park in #Berlin and is currently developing another ambitious project in #Düsseldorf. EUREF Beijing is leading innovations in solar energy, particularly with their patented technology that integrates solar panels into farmland. This dual-benefit system not only boosts agricultural yield but also plays a crucial role in improving soil conditions, thereby paving the way for sustainable agricultural development. This integration exemplifies our commitment to innovative, eco-friendly solutions that span multiple industries and promote environmental well-being. #Ausinland is excited to extend this innovative approach to our collaborations with agricultural enterprises, aiming to foster sustainable development pathways that benefit all parties involved. Join us as we continue to break new ground in sustainable practices that are designed to meet the needs of today's world without compromising the ability of future generations to meet their own. #Sustainability #Innovation #Partnership

In the demanding arena of fire safety for large machinery and expansive cargo spaces, where efficiency and reliability are non-negotiable, Ausinland, in partnership with #DanfossFireSafety, is proud to present the SEM-SAFE® low-pressure CO2 system. This advanced solution redefines traditional approaches to fire suppression with its innovative design and operational benefits: Single Tank Advantage: The SEM-SAFE® low-pressure system revolutionizes fire protection logistics with its single-tank configuration. This streamlined approach not only simplifies the installation process but also achieves a 50% reduction in weight compared to conventional CO2 systems that require multiple cylinders. This significant decrease in system weight translates to enhanced spatial efficiency and reduced structural load – critical factors in large-scale applications. Ready-Made Solution: Designed for immediate implementation, the SEM-SAFE® system is delivered pre-wired and assembled on a robust steel frame. This integration includes the tank, main valves, distribution valves, refrigerators, and controls, ensuring a hassle-free setup. This plug-and-play setup is engineered to alleviate common installation challenges, allowing for quicker, more reliable deployment. Precise CO2 Monitoring: Ensuring continuous protection, the SEM-SAFE® system is equipped with an electronic gauge that monitors the exact amount of CO2 in the tank, providing real-time feedback and alarm contacts to alert personnel when CO2 levels are low. This precise monitoring is crucial for maintaining optimal system readiness and effectiveness. Cost-Effective Installation: Particularly beneficial for large vessels, the SEM-SAFE® low-pressure CO2 system offers significant installation cost savings over high-pressure systems. Compliant with the stringent standards set by relevant classification societies, it ensures not only cost efficiency but also adheres to the highest safety standards. At #Ausinland, we understand that safety and efficiency are paramount. With the SEM-SAFE® low-pressure CO2 system, brought to you by our collaboration with #DanfossFireSafety, experience the ultimate in fireprotection. This system not only secures your assets but does so with an unmatched efficiency that large-scale operators will find indispensable. Safety and efficiency meet to form the perfect fire safety solution for your needs.

Building on our commitment to providing the highest standards of safety and protection, Ausinland, in collaboration with #DanfossFireSafety, continues to champion the SEM-SAFE® high pressure water mist system as a superior choice for fire protection across various industries. This advanced system not only prioritizes human and asset safety but also ensures environmental integrity through its innovative features: Minimal Water Damage: The SEM-SAFE® high-pressure water mist system consumes significantly less water compared to traditional fire suppression systems. This design principle means operations can achieve excellent fire suppression with minimal water damage, ensuring that valuable equipment and assets are preserved without the extensive water damage typically associated with conventional systems. Instant Deployment: Engineered for rapid response, SEM-SAFE® activates immediately when a fire is detected. This swift action is crucial in minimizing the extent of fire-related damage and protecting assets effectively. Rapid deployment translates into less downtime and more continuity for critical operations, making SEM-SAFE® an invaluable part of your safety infrastructure. Pure Water Protection: At the heart of the SEM-SAFE® system is its use of pure water, eliminating the need for harmful chemicals. This not only makes it safer for people and sensitive equipment but also positions SEM-SAFE® as an environmentally friendly option. This clean technology ensures that in the event of activation, the aftermath is manageable and non-toxic, supporting swift recovery and maintenance efforts. At #Ausinland, we are proud to align with #DanfossFireSafety to deliver #firesafety solutions that reduce potential damage while maximizing protection. With SEM-SAFE®, your operation benefits from a system that is safer, more efficient, and #eco-friendly. Trust us to enhance your #fireprotection strategies with cutting-edge technology designed for today’s demanding environments. Join us in setting new standards in fire safety and protection.