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tunnel construction is an underground passage provided beneath earth surface or water. Different methods of tunnel construction and their details are discussed. In most of the cases tunnel construction is expensive but it saves time and provides comfort. Large excavation of soil or rock etc. is necessary for a tunnel construction. With the availability of modern equipment, excavation and backfilling has become easier. Tunnels can be used for roadways, railways and even as waterways also. In many cities, underground metro rail networks work inside a tunnel. There are various types of construction techniques developed for construction of tunnels : +Cut and cover method +Bored tunnel method + Clay kicking method +Shaft method +Pipe jacking method +Box jacking method +Underwater tunnels All right and credit reserved to the respective owners #construction #civilengineering #tunneling #builttolast #infrastructure #urbanplanning

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tunnel construction is an underground passage provided beneath earth surface or water. Different methods of tunnel construction and their details are discussed. In most of the cases tunnel construction is expensive but it saves time and provides comfort. Large excavation of soil or rock etc. is necessary for a tunnel construction. With the availability of modern equipment, excavation and backfilling has become easier. Tunnels can be used for roadways, railways and even as waterways also. In many cities, underground metro rail networks work inside a tunnel. There are various types of construction techniques developed for construction of tunnels : +Cut and cover method +Bored tunnel method +Clay kicking method +Shaft method +Pipe jacking method +Box jacking method +Underwater tunnels …………………………………………………………………………….. DM for credit or removal requests (no copyright intended) All right and credit reserved to the respective owners #construction #civilengineering #tunneling

tunnel construction in underground making process contains lot of equipment with ₹ high budget

Project: I-68 Sideling Hill Slope Protection – Washington County, MD Owner: Maryland State Highway Administration Interstate 68 (I-68) runs from I-79 in Morgantown, West Virginia, east to I-70 in Hancock, Maryland. Also known as the National Freeway in western Maryland, I-68 mainly spans rural areas and crosses numerous mountain ridges along its route. During construction in the 1980’s, a section of these mountain ridges was blasted and cut through Sideling Hill, resulting in a pair of long, steep, narrow mountainous slopes, 1200 feet long and 360 feet high. Rock mass weathering over the years had posed a serious rockfall risk to the traveling public, prompting the Maryland State Highway Administration to contract Schnabel Engineering for the design of a rockfall remediation solution. Schnabel’s design called for a rockfall barrier system to provide a maximum energy level capacity of 800kJ. However, due to the tight site constraints, the barrier must be able to withstand the maximum rockfall energy without deflecting into the roadway, a distance of only 11 feet! To meet these requirements, Maccaferri proposed using a semi-rigid barrier system consisting of its unique low deformation #HighEnergyAbsorption (HEA) cable nets, manufactured with 1/2 inch diameter cables arranged in a 10 x 10 inch pattern. This heavy net offers a very stiff response to the rockfall impact load, significantly reducing barrier deflection compared to conventional rockfall barriers available on the market. Schnabel Engineering designed heavy cantilevered posts capable of withstanding the increased foundation loads associated with the more rigid impact response of the barrier. Construction of the barrier was completed in 2023, with a total of 1480 linear feet of rockfall fence successfully installed by GeoStabilization International®(GSI). This project serves as an example of how the strength and stiffness of specific Maccaferri products and meticulous engineering can address the unique challenges of roadside rockfall protection. #EngineerABetterSolution #rockfallbarriers #lowdeformationbarriers #WheresYourMaccaferri

These impact compactors use non-circular rolling modules to replace conventional methods of ground improvement. Developed in South Africa in the 1940s, rolling dynamic compaction gives better impermeability and stability to a greater depth, meaning longer-lasting pavement compared with traditional rollers. #gigadgets #compactor #construction #roller #earthworks

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⚖️ Setting Gradients Precisely with Slope Rails or Better Boards ⚖️ When constructing roads, drainage, or other gradient-dependent structures, slope rails or better boards are essential for ensuring the correct incline. What are Slope Rails/Better Boards? These are adjustable guides used to set and maintain the required slope or grade during construction. Key Advantages: 👷🏽 Consistent Gradients: Critical for projects requiring precise slopes, such as roads and drainage systems. 👷🏽Ease of Use: Simple to set up and adjust as needed. Implementation Tips: 👷🏽Location and Setup: Position them along the work area to guide machinery and workers. 👷🏽Regular Adjustment: Check and adjust alignment regularly to ensure continuous accuracy. Find out more here about how we can help by providing site engineering and surveying services your highways and airport projects ; https://lnkd.in/e8knyX2f #AKNEngineering #SubContractors #UKHighways #HighwaysProjects #HighwaysConstruction #SiteEngineersUK #SettingOut #SettingGradients

"Precision and teamwork in every pour—laying the foundation for roads that last." Asphalt pouring involves spreading hot, liquid asphalt on a prepared surface to create durable pavement. The process begins with heating the asphalt mix to approximately 300°F (150°C). It is then transported to the site in insulated trucks to maintain its temperature. Once on site, the asphalt is poured evenly using a paver machine. Workers smooth and compact the asphalt with rollers to achieve the desired thickness and density. Proper temperature and compaction are crucial for ensuring a strong, long-lasting surface. Asphalt pouring is commonly used for road construction, parking lots, and driveways due to its durability and cost-effectiveness. video rights : Respective owners DM for removal/credits #asphalt #road #engineering #construction #civilconstruction #civilengineering #engenharia #engenhariacivil

Meet the Roller: Essential Heavy Equipment in Road Construction 🚜 Ever wondered how roads get their smooth, even surfaces? The roller is a crucial piece of heavy equipment used to compact soil, asphalt, and other materials, ensuring durability and longevity of our roads. Fun Facts about Rollers: Types: There are different types of rollers, including smooth wheel, pneumatic, and vibrating rollers, each serving specific compaction needs. Function: Rollers use weight and vibration to compress materials, creating a stable base for road construction. Efficiency: They help reduce air voids in asphalt, increasing the road's strength and lifespan. At Central Specialties Inc., our skilled operators use state-of-the-art rollers to build and maintain high-quality roads. Stay tuned for more insights into the fascinating world of construction! #HeavyEquipment #RoadConstruction #RollerFacts #CentralSpecialtiesInc #ConstructionEducation #BuildingTheFuture