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Here's a brief overview: Soil Compressibility 1. *Definition*: Soil compressibility refers to the reduction in soil volume due to applied loads, causing settlement and deformation. 2. *Factors Affecting Compressibility*: Moisture content, soil type, density, and stress history....
The basis for the crane vertical impact forces in Section 4.9.3 of ASCE 7-16 are not provided in the standard itself or the commentary. The 25% increase in wheel loads has been in the standard since at least the 1972 edition, when it was ANSI A58.1. The 10% increase in wheel loads was added in...
My question is: 1) In 4.9.3, Why is pendant-operated bridge cranes impact at 10% and remotely operated bridge cranes 25%? 2) How was the 25% determined for remotely operated bridge cranes? 3) What are all the factors that causes the 25% impact? **** This question was submitted to ASCE staff and...