Select the terms used for problems associated with techniques of injecting.
A. pinning
B. jacking-up
C. slamming
D. digging
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jacking up is the ans
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Explanation:
Jacking up is the correct Answer associated with the technique of injecting. The most common method for raising levels of a concrete slab for the alignment of roadway sections needs the process of pressure-injection as a grout under concrete slabs.
Other transport companies organize successfully with the URETEK Method, that applies injected polyurethane, along with Oregon DOT material to raise and stabilize a bridge end panel and adjacent concrete slab.
A two-year research project was held to monitor the stability of the injected slabs and to get the result of the application of the material. The slabs settled by up to 10.5 mm.
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