In 2000, California packed 662,700 shredded waste tires beneath an I-880 on-ramp; they cut foundation stress 40%, saved $477,000, and CalRecycle later reported 22 years without repairs or issues
- Representative pictureEngineers working to upgrade a busy highway junction near San Francisco in 2000 faced a serious technical problem.
- The ground was made up of about 30 feet of unstable bay mud, a soft type of soil that could sink or crack under the weight of normal road-building materials.
- To solve the problem, project planners used an unusual method: they buried 662,700 shredded waste tires directly beneath the new highway on-ramp.
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- Representative pictureEngineers working to upgrade a busy highway junction near San Francisco in 2000 faced a serious technical problem.
- The ground was made up of about 30 feet of unstable bay mud, a soft type of soil that could sink or crack under the weight of normal road-building materials.
- To solve the problem, project planners used an unusual method: they buried 662,700 shredded waste tires directly beneath the new highway on-ramp.
Sources: Times of India