Concentration of sulfates in the waterborne solution. C 3 A content. Ca OH 2 content. Mitigating Sulfate Attack One of the most common ways of protecting against sulfate attack is to reduce the alumina content by limiting the C 3 A in portland cement. The use of slag cement reduces the likelihood of sulfate attack in three ways: Slag cement does not contain C 3 A, so its addition in concrete dilutes the total amount of C 3 A in the system. Slag cement reduces concrete permeability, making it harder for sulfates to penetrate into concrete.
This decreases the total amount of Ca OH 2 in the system. Slag is usually a mixture of metal oxides and silicon dioxide.
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However, slags can contain metal sulfides and elemental metals. While slags are generally used to remove waste in metal smelting, they can also serve other purposes, such as assisting in the temperature control of the smelting, and minimizing any re-oxidation of the final liquid metal product before the molten metal is removed from the furnace and used to make solid metal. In nature, iron, copper, lead, nickel and other metals are found in impure states called ores , often oxidized and mixed in with silicates of other metals.
During smelting, when the ore is exposed to high temperatures, these impurities are separated from the molten metal and can be removed. Slag is the collection of compounds that are removed. In many smelting processes, oxides are introduced to control the slag chemistry, assisting in the removal of impurities and protecting the furnace refractory lining from excessive wear.
In this case, the slag is termed synthetic. A good example is steelmaking slag: Ferrous and non-ferrous smelting processes produce different slags. The smelting of copper and lead in non-ferrous smelting, for instance, is designed to remove the iron and silica that often occurs with those ores, and separates them as iron-silicate-based slags. Slag from steel mills in ferrous smelting, on the other hand, is designed to minimize iron loss and so mainly contains oxides of calcium , silicon , magnesium , and aluminium.
Any sandy component or quartz component of the original ore automatically carries through the smelting process as silicon dioxide. As the slag is channeled out of the furnace, water is poured over it. This process causes several chemical reactions to take place within the slag, and gives the material its cementitious properties. The Devastated Insides of Hollow City was the story which first attracted me to the book.
It paints quite an entertaining and original setting in Hollow City and even the The book contains four stories. It paints quite an entertaining and original setting in Hollow City and even the post-apocalyptic world outside of Hollow City, and is very well writen, entertaining, and the best story here.
The next story, Vincent Severity, brings it down a notch.
I enjoyed parts of this tale of an unusual woman kidnapped by a curious and severe character in an El Camino, but found it to be much less consistent than the previous story. While feeling a bit underwhelmed, I still found some appreciation for it. Corpse Mountain is an interesting, high-octane wad of story about men who drink gasoline and plan to exact a grand master plan which even they don't fully understand. The final story, All Alone at the End of the World, brings back some of the characters from the first story, but what could have been a grand finish seems to stagnate, and my interest waned over the course of it.
There is some excellent material here, but not all of it was my cup of java. Still, fans of horror, science fiction, and bizarro should all find something of interest here. Oct 06, Kat rated it liked it. Technically, I would have rated this book 3. This book is comprised of four short stories all linked to one topic One little problem, everyone else in Hollow City is looking for her too, and oh yeah In "Vincent Severity," we find Amber being kidnapped by Vincent, who strips her and keeps her locked up in a room, crawling with slags and other dead goodies.
Rambo, Cobra, and Commando are trying to make it in the new apocalyptic world by drinking gasoline, driving around aimlessly, and building robots in "Corpse Mountain. To his surprise, he is met by Shell and Pearl from the first story , along with an ultimatum where he has to give up a certain body part. All of the stories were interesting, but I found the last story to be the most interesting.
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This is the second Prunty book I have read, and I really like his work. The different perspectives and experiences in this book was a great approach to the topic at hand. Not perfect but definitely worth reading. May 08, R. Harris rated it really liked it Shelves: This review has been hidden because it contains spoilers.
To view it, click here. It starts off as a strange noir-ish tale and then expands into a post apocalyptic tale involving maggot slugs or slug maggots coming down and turning the insides of people into goo, a junkyard owner who believes robots will be immune, a house of Mike's, a biker deux ex machina and slugs for arms.
Constantly absurd and surreal, I found it enjoyable the whole way through. Andersen Prunty writes good books, and this is one of them.
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Oct 15, Nevertaken rated it it was amazing Shelves: I can't believe I won this with just two being given away, and I can't wait for it to show up. I also bought Jack and Mr. Grin, and Morning is Dead that I've been meaning to read, so I'll likely be reading all three within the next 3 weeks or so and getting real reviews up for them all. The first two I got were on the Kindle, so it's awesome I'm getting a signed paperback for free.
Jun 10, Rodney rated it really liked it Shelves: I really liked how Prunty linked the separate stories together. It made for an interesting read. The disturbing maggot-like slags are taking over and the struggle of each set of characters was diverse. I have yet to read anything I didn't like from this author. I am just sad that I have nearly read everything he has published, and will soon be reduced to slobbering in anticipation of all things new. This one does elude to a possible sequel. This book was insane! Such a cool vision of the apocalypse. It is so bizarre, and yet it kept me hooked from beginning to end.
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This is my second Prunty book and he never ceases to amaze me with his creativity. It's a nasty book, not for the easily sickened or offended but for certain people like me, I think it is perfect! Me gusta que no haya moraleja o algo similar, las cosas simplemente pasan y ya. I would give it three stars, but I'm too tired of present tense narration. Oct 21, Landy rated it it was amazing. Thank you Andersen and Goodreads for this free copy to read. I have just recieved the book and have alreeady read the first story.
This is a great book and is perfect for my reading enjoyment. Aug 30, Alan Clark rated it really liked it. Learethus rated it really liked it Jan 06, Stephen Marshall rated it it was amazing Jun 26, Jurgenvl rated it really liked it Jul 25, Rob rated it liked it Jun 26, Carlton III rated it it was amazing Sep 18, Elizabeth Schwartzkopf rated it did not like it Apr 02, Meyers rated it it was amazing Apr 12, Hayes rated it it was amazing Nov 22, There are no discussion topics on this book yet. Andersen Prunty lives in Ohio.