CBR test - no reading at 0. 2 penetration | Eng-Tips The test standard requires penetration to 0 2 inches and if the CBR at 0 2 in penetration is greater than the CBR at 0 1 in penetration the test shall be rerun I think what this means is you should not use the contrator to run your CBR tests and you should find an AMRL-approved laboratory to do the work f-d ¡papá gordo ain’t no madre flaca!
Fillet weld full penetration for plate in vibration fatigue? Assuming that your design is new, I would suggest redesign using full penetration groove welds with reinforcing fillets As metengr has so rightly stated, fillet weld designs are notoriously poor in fatigue service and can be as low as 15% of the base metal's fatigue strength due to geometry and weld residual stress
wall pipes vs. sleeves | Eng-Tips I am interested in hearing your experience in using wall pipes versus using wall sleeves for penetration of D I pipes through new construction Pro and contra for each method Thank you all!
New opening in existing CMU wall, limitations on width We are creating a new opening in an existing, standard 8" CMU wall for a duct penetration The wall is load bearing My question is what is the maximum width of the opening where a lintel would not be required? Could we provide an opening 22" wide where the blocks above each had 5" of bearing