New technology and materials are being used by engineers and construction professionals to build bridges more quickly and effectively while also improving maintenance for longer bridge life. Both new and old bridges are getting sensors installed to give constant feedback on their structural health. Engineers may use this information to spot issues earlier, increase public safety, and solve them. Utilizing concepts and designs from the past allows one bridge-building technology to create a brand-new, structurally sound constructed bridge.
A cutting-edge ᴍᴇᴛʜod for lowering the time and expense of bridge construction is the Geosynthetic Reinforced Soil – Integrated Bridge system. The reinforced earth foundation, the abutment, and the integrated approach make up the technology’s three key parts. Alternating layers of compacted granular fill and geosynthetic reinforcement support the bridge. Granular soil and sparsely spaced reinforcement combine to form an effective composite material that can support bridge loads that are significantly higher than intended while performing predictably and consistently.
Using prefabricated superstructure components and GRS abutments, the new bridge is effectively a composite bridge structure. With this ᴍᴇᴛʜod, the expensive downtime associated with curing cast-in-place concrete, which can take a few weeks to a month, is eliminated. Without joints, extensive foundations, approach slabs, or cast-in-place concrete, the bridge is built immediately on the bridge and approach roads.
Due to the simplicity of construction and the use of easily accessible materials and equipment, GRS-IBS projects can be erected in weeks as opposed to months. By providing affordable, sturdy, and long-lasting structures in a shorter amount of time during construction, GRS-IBS can assist states and local governmental agencies in meeting the nation’s deᴍᴀɴd for compact, single-span bridges. Since the abutment’s construction is contained inside GBS-IBS’ footprint and a deep foundation is not required, the system has benefits for the environment. Reduced building time and the necessity of using less steel and concrete significantly lessen environmental impacts.
In addition to being strong and simple to maintain, these bridges are built with fewer components than those used in conventional construction. The ᴍᴇᴛʜod can be applied in less than perfect weather and can be modified on-site in the event of unforeseen site conditions. Additionally effective and adaptable to a variety of loading conditions are GRS-IBS bridges.
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Video resource: Machinery Magazine