What could be the cause of new cracks in concrete? Is it a sign of settling or drying...?

I have been in construction for 35 years. Early in my career a project I was on was having cracking issues in a topping slab (a layer of concrete on top of the main structure). We called in one …

Top stories for Long   What could be the cause of new cracks in concrete? Is it a sign of settling or drying out too fast? Jason DiCastro, Senior Project Manager (2014-present) • Updated Wed I have been in construction for 35 years. Early in my career a project I was on was having cracking issues in a topping slab (a layer of concrete on top of the main structu... Read more » 70 4   Why do we not eat goose/geese meat? Asked in European food • Answered by Gordon Mills • November 24 True story. Between 1980 and 1994 I worked as a painter/sandblaster on the Tay Railway Bridge that links Dundee to Edinburgh. One of my colleagues, Rocky, had previously been... Read more » 1.6K 125   A friend of mine leaves her butter on the table at room temperature all the time in a covered butter dish. How does this not make her sick? I thought dairy products need to be refrigerated. Kris R. Aka Fixerguy, AS Culinary Arts, California Culinary Academy (1979) • Answered April 5 Butter (table butter anyhow) has salt in it and the moisture content is fairly low (around 12 to 17%). These factors make it somewhat inhospitable for what we call bad bact... Read more » 491 59   What is the output of the following code int x=5; int y=x++; printf ("%d%d, x,y)? Asked in C Programmers • Answered by Anthony Hawken • November 29 In the distant past when I use to teach C, I would respond to questions like this by saying, try it and see. As the code stands, it won't compile. You need to add some code ... Read more » 94 24   What are some disadvantages of old age? Jim Whittington, Masters Structural Engineering & Psychology, Georgia Institute of Technology (1976) • Answered August 11, 2024 Thank you for the question. I am JIM and I'm 70 years old and I am a retired structural engineer and general contractor. I operated a nonprofit organization in Kenya for 18... Read more » 74 19   Is it possible to obtain free electricity from solar panels without being detected by authorities? Gamer Dennison, former Retired (1988-2016) • Answered April 15 I have 32 solar panels on my roof. My home is large two and a half story farmhouse. the peak of my roof is as high as a 3 story apartment building. My home is on a slope le... Read more » 15 2   Is anyone surprised that Trump folded like a cheap suit on his world tariffs? Curtis W. Scissons, B.S Biology & Chemistry, Northeastern State University (1998) • Answered April 9 Trump's much-touted "Day of Liberation" immediately blew up in his face. He tried several tactics, like claiming "50 countries have called me begging to negotiate." Only Trum... Read more » 1.9K 339   Do any Japanese restaurants serve cooked sushi instead of raw sushi? Asked in Food For Us • Answered by Hantani Sadahiko • November 27 There are two kinds of answers. first answer Traditional Edomae-zushi doesn't use raw fish. Because there was no technology to preserve fresh fish such as refrigerator in Edo ... Read more » 69   Why are snakes difficult to spot in real life? Is it because they hide or because we lack knowledge about them? Ally From Oz, Teacher of Special Needs children. (2003-present) • Answered Tue Eastern brown snakes and Tiger snakes are just a fact of life where I live in Australia. We don't see them that much in the cooler weather, but in spring, summer and autumn... Read more » 112 17   If I take offense to the actions and words of a fictional character in a short story/novel, is it appropriate to tell the author about it, if I can contact them? Klaus Schadenfreude, lives in The United States of America • Answered March 26 It won't do you a bit of good! I was reading a book recently which briefly talked about a riverboat explosion. One of the characters in the book asked if anyone was hurt and... Read more » 123 27   What is the integration of 1/ ((x^2+a^2) ^2 (x ^2+b ^2) from -infinty to infinity? Brian Sittinger, PhD Mathematics, University of California, Santa Barbara (2006) • Answered April 18 We are given the improper integral (assuming that [math]a, b > 0[/math] where [math]a \neq b[/math]) [math]I = \displaystyle \int_{-\infty}^{\infty} \frac{1}{(x^2 + a^2)^2 (x^2 + b^2)} \, dx. \tag*{}[/math] For another solution, we use the Residue Theorem from Complex Analysis. To this end, we fix a constant [math]R > \max\{a,...[/math] Read more » 32   Don't you think when Canadians see the writing on the wall in a few months it will be too late your currency savings pension and 401K will all be junk? So enjoy Rand. • Answered April 8 Wahahaha ! My in law just drove their asses off from Lincoln, Nebraska USA to visit our family in Ontario, Canada. They stayed at my home over weekend and just left on Sund... Read more » 1.1K Read more in your feed

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