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Are You in Chestnut Hill Massachusetts? Do You Need Concrete Cutting?
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Chestnut Hill is located in New England, approximately 6 miles away from Boston in the west. Chestnut Hill is not incorporated as a separate municipal entity, however, unlike most of the settlements in Massachusetts, it consists of parts of three municipalities: from the city of Newton, Boston, and Brookline. In the area of Chestnut Hill, there are several hills that overlook the 135 acres Chestnut Hill Reservoir.
Parts of the Chestnut Hill district is listed on the National Register of Historic Places because of the significance of their landscape and architecture. Victorian, Tudor Revival, Shingle, Italianate, and Colonial architecturalevidence can be found in these areas. The Boston College was established here in 1863. This campus is an early example of Collegiate Gothic architecture. The Chestnut Hill Historic District includes residential areas and the commercial part is mainly represented by regional shopping malls along Route 9.
Most of the territory in Chestnut Hill remained farmlands until the early twentieth century. The area around the Chestnut Hill Reservoir was designed by Frederick Law Olmsted in 1870, who designed the Central Park in New York, or the Emerald Necklace of Boston as well.
In 2014 there were 22,796 residents in the area. The median age was 23.1.The population spread out with 17.07% under the age of 18, 34.00% between 18 and 24 years, 17.46% between 25 and 44, 18.88% between 45 and 64, and 12.48 were 65 years or older.
The Public District of Brookline and the Newton Public Schools serve the area of Chestnut Hill. There are private schooling options in the area as well, such as the Mount Alvernia Academy, the Brimmer and May School, and the Chestnut Hill School.
On the 31st on March, 1863, the Charter of Boston College was officially approved by the Commonwealth of Massachusetts. It became the second Jesuit institution in Massachusetts. At first it was located within the area of Boston. By the turn of the 20thcentury, the enrollment exceeded 500. John Winthrop purchased the Lawrence farm situated on the Chestnut Hill and the construction began. By 1920 it began to fulfill the dimensions of the University Charter. In 1926 the College conferred the first degrees for women, although, It only became coeducational in the 1970s.
Currently is has 9,100 full-time undergraduate students and approximately 5000 graduates. The main campus features some of the earliest examples of Collegiate Gothic architecture in the United States. The undergraduate program of the Boston College is currently ranked the 30th in the National Universities by the US News & World Report.
The Hammond Pond Reservation is a forest preservation land that has many protected wetlands. It lies all the way through Chestnut Hill and Newton. The Kennard Part and Conservation area is a post-agricultural area that kept the authentic colonial stone walls, a sensitive fern mash and a red maple swamp.
Are You in Chestnut Hill Massachusetts? Do You Need Concrete Cutting?
Lumber for the making of concrete forms is usually priced per 1,000 F.B.M. One F.B.M. is a one-inch board one foot long and twelve inches wide, or a two-inch plank one foot long and six inches wide. On The Cement Centennial in 1924 somebody called portland cement the "Magic of Concrete." It's not far from the truth when you stop to think about it. Limestone and shale are ground together to the fineness of talcum powder, run into an enormous rotating kiln, where the mixture is burned at hell-roaring white heat until it forms a new chemical substance, discharged from the kiln as a hard clinker, and finally ground again to a gray powder—the finished cement. The making of cement is not a simple nor a small scale process—at all stages of its manufacture it is under close chemical and physical control and a plant to make it costs at least a million dollars. Yet in hardly any section of the country does the material cost as much as a cent a pound, and it will set into a hard, stone-like mass when mixed with a little water and six to eight times its own weight of sand and gravel. Because cement will stand a lot of abuse, there is a tendency for users to think of concrete merely as a mixture of cement, aggregates, and water, and let it go at that. It is the purpose of this little talk to mention some of the things that are involved in making good concrete and avoiding poor concrete. It won't interest the technical expert or the large contractor particularly, but it may hopefully be of some use to the contractor or builder who doesn't have a large organization and who must depend upon his own knowledge and experience to plan and execute the work he undertakes. Of all the concrete troubles that can be traced to materials, the great majority are usually related in some way to poor sand. This matter of sand is so important that it is hard to understand the general indifference among concrete men regarding this particular material. Fortunately for our purpose here, it is easier to specify what a sand should not be than exactly what it should be, and we believe that the simple tests described on this web site, which every contractor can use to his great advantage, will serve either as a safeguard against bad sand or as a warning against questionable sand.
Sand may be unsuitable in three respects:
- It may be too fine or otherwise poorly graded.
- It may contain dangerous organic matter.
The gradation of sand is perhaps its most important characteristic in relation to its concrete- making value. The usual limits for fine and coarse sands are described and illustrated on pages 103 to 105 of this book. A simple recommended test which any one can make to judge the gradation of sand is as follows: Sift a handful of the dry sand on a No. 30 sieve. If the sand is first-class concrete sand, this sieve will divide it into, roughly, equal parts, the larger fraction being retained on the sieve. If most of the sand passes through the sieve, it is too fine, and if nearly all is retained on the sieve, it is too coarse. A No. 4 sieve can also be used to advantage in case the sand contains any appreciable amount of gravel, or in case pit-run material is being tested. It is customary nowadays to designate sand particles coarser than a No. 4 sieve as gravel, and the No. 30 sieve should be used on the sand after the gravel has been removed.
While the gradation of concrete sand was said to be its most important characteristic, the presence of organic compounds may be a very serious matter in extreme cases. This is a contamination which comes from the slow leaching of water through decomposed overlying vegetable matter, which results in coating the sand grains with an invisible trace of a substance that may interfere seriously with the proper setting of the cement.
Chestnut Hill Massachusetts Concrete Cutting and Core Drilling