Engineers and construction experts are using new technology and materials to build bridges more quickly and efficiently while also enhancing 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 ideas and designs from the past allows one bridge-building technology to create a new, structurally sound constructed bridge.
A cutting-edge ᴍᴇᴛʜod for lowering the cost and duration of bridge-building 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. The bridge is supported by alternating layers of geosynthetic reinforcement and compacted granular fill.
Granular soil and ᴄʟᴏsᴇly spaced reinforcement combine to make an effective composite material that is internally stable and capable of supporting bridge loads substantially greater than those specified in the design while yet performing predictably and consistently. The new bridge is essentially a composite bridge structure that uses prefabricated superstructure components and GRS abutments. This ᴍᴇᴛʜod gets rid of the expensive downtime caused by cast-in-place concrete, which can take several weeks to cure.
Without seams, deep foundations, approach slabs, or cast-in-place concrete, the bridge is built directly on the substructure, resulting in a seamless and smooth transition between the bridge and the approach roadway. Because of the simplicity of construction and the use of widely available materials and equipment, GRS-IBS projects can be completed in weeks rather than 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 demand for compact, single-span bridges.
Since the abutment’s construction is contained inside GRS-IBS’ footprint and a deep foundation is not required, it offers environmental benefits. Reduced construction time and the amount of steel and concrete needed lower environmental consequences as well. 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-ideal weather and can be modified on-site to account for unforeseen site conditions. Additionally effective and adaptable for a variety of loading conditions are GRS IBS bridges.
In the video below, we can see the Modern Bridge construction technology – Biggest crane heacy equipment machines
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