JOEL - Eccles 9:5, 6, 10:
5. "For the living know that they shall die: but the dead know not any thing, neither have they any more a reward; for the memory of them is forgotten.
6. Also their love, and their hatred, and their envy, is now perished; neither have they any more a portion for ever in any thing that is done under the sun.
10. Whatsoever thy hand findeth to do, do it with thy might; for there is no work, nor device, nor knowledge, nor wisdom, in the grave, whither thou goest."

I believe these verses are just telling us that this life is the time to perform our labors and learn all we can and obtain experience while we are living. We were sent to this earth to get a body, and with that body to be tested and gain earthly experience. We can't do "any thing that is done under the sun"(verse 6) if our bodies are lying in the grave and our spirits are in spirit prison.
This is similar to what we are told in Alma 34: 32-33:

"For behold, this life is the time for men to prepare to meet God; yea, behold the day of this life is the day for men to perform their labors.
And now, as I said unto you before, as ye have had so many witnesses, therefore, I beseech of you that ye do not procrastinate the day of your repentance until the end; for after this day of life, which is given us to prepare for eternity, behold, if we do not improve our time while in this life, then cometh the night of darkness wherein there can be no labor performed."

At the time some of your other scripture references were writtten, for many people, as far as they knew, in those days there was nothing to "celebrate" when they die. Going down into the pit(Isa 38:18) refers to Hell or spirit prison where those who were sinful would have been sent, where they could not praise God (Psa 115:17). Remember that Jesus had not yet come to the earth to be resurrected, return to the spirit world, and bridge the "great gulf"(Luke 16:26) between spirit prison and Paradise, so the dead could receive the gospel (1 Peter 3:18-19). You will notice that all of your references are about a time before Jesus did this.
I think your example of the rich man speaking to Lazurus from Hell (Luke 16:19-31) can be taken very literally as a reference to life or an awareness after death. Jesus would not use something in a parable that the people could not relate to or understand, even if He was using it to explain a separate point. It would not be consistant with all the other parables He used as He taught.