Concrete Cutting Coring Leicester MA Mass Massachusetts

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Concrete
Cutting Leicester MA

Concrete
Cutter Leicester MA

Concrete
Coring Leicester MA

Core
Drilling Leicester MA

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Sawing Leicester MA

Concrete
Sawing Leicester Mass

Concrete
Cutting Leicester Mass

Concrete
Cutter Leicester Mass

Core
Driller Leicester MA

Core
Drilling Leicester Mass

**We Perform Concrete
Cutting, Sawing, Core Drilling and Coring in Leicester.**

This
problem is designed chiefly to familiarize the pupil with the making of a
simple form and the proportioning, mixing and casting of concrete. The
base-board for the form is 4inch x 12 inch, made from 18 inch material. The
ends are 8 inch x 4 x 8 inch. Two of these are required. The two sides are Y8 inch
x 22 inch x 12 inch, with two blocks Y8 inch x 4
inch x 2/2 inch attached Ys inch in from the ends with screws, as shown. Mix
the necessary amount of cement and sand in proportions of 1 part cement to 3
parts sand as described in chapter under "Mixing." Place a wooden
clamp in place shown in sketch and leave 24 hours. Plate 6 shows the drawing of
the form for a concrete anchor weighing about 25 lbs. This problem, while a
very, little more difficult than that of Plate 5, is simple enough in concrete
construction for a fifth or sixth grade boy. The two larger sides A are cut 9 inch
x 103/2 inch and then tapered on one end to 84 inch, as shown. Attached to the
two sloping edges are two pieces 8 inch x 18 inch X 93 inches. Sides B are
first cut 7 inch x 9 inch and tapered to 5 inch The base C is inch x 83/4 inch
x 10Y2 inch The top and bottom edges of A and B are leveled as indicated in
sketch. Two scrap sticks are partly nailed on to the edges of sides A, as
shown, and the ringbolt suspended while the form is being poured.

The sides A
are also lightly nailed to the base so as to be easily removed when the form is
hard. Leave in the form 24 hours. An interesting feature of this problem is the
figuring -out beforehand of the weight of the anchor. This is done as follows: The
shape of the anchor is in the form of a truncated pyramid. It is necessary to
first find the cubical contents, which is obtained by taking a section through
the average height, which is 43/2 inch perpendicularly up from the base (the
total height being 9 inch). This gives us the average section, square in shape,
and 6 inch on a side. The area of this section is then 6 inch x 6 inch or 36
sq. inch. Multiplying this by the height, 9 inch, we have 36 x 9 inch, equaling
324 cu. inch in volume. There being 1728 cu. inch in a cubic foot, we have 324
cu. inch divided by 1728, which equals 3/16 cu. ft. A cubic foot of concrete
weighs from 130 to 140 lbs. varying according to the kind of crushed stone
used, granite being the heaviest. Taking 135 lbs. as the average weight we find
that 135 divided by 3/16 equals 25 5/16 lbs., the weight of the anchor. The
writer has found that the boys are extremely interested, after figuring out
beforehand the weight of the anchor, to verify their calculations by actually
weighing the finished problem. A very serviceable horse weight can be cast, on
the same principle, by reducing the dimensions of the form. Plate 8 shows
drawings and sketch of a concrete roller weighing about 265 lbs. and is
suitable for rolling lawns, etc., requiring two men to operate. The form for
this roller is made from a piece of sheet iron cut 24 inch by 563/2 inch. The
edges must he cut square and even.

Make two sets of wooden clamps, like the
circular form shown in the drawing. Bend the piece of sheet iron in a circle
and nail, if necessary, to the two wooden clamps. Wire the iron form or jacket
with No. 16 wire to hold the form from opening at the joint when the concrete
is placed. Grease or oil the inside of the form thoroughly so that it will not
stick to the concrete. To make an opening through the center of the roller for
the axle or shaft, place a 4 inch or 3/8 inch iron pipe in the center of the
form. The axle can be cast in the roller itself if desired instead of casting a
3/4 inch or 3/8 inch pipe in the roller in which to place the axle. The
concrete should be made of 1 part cement, 2 parts of sand and 4 parts of stones
or gravel. It will take a little less than 1 hag of cement for a roller of the
above dimensions. The handle may be made of 1 inch iron bent and welded
together as shown in the figure. A discarded lawnmower handle could be used and
the iron work bolted to the same.

**Are You in ****Leicester Massachusetts****? Do You
Need Concrete Cutting?**

**We Are Your Local
Concrete Cutting Company**

**Call ****508-283-3135**

**We Service all
surrounding Cities & Towns.**