Hydraulic and chemical pressure bursting break up concrete structures with a minimum of noise and flying debris. Both methods work by applying lateral forces against the inside of holes drilled into the concrete, and can do virtually any job other demolition methods are capable of.

Mixing Concrete - Let DIY Doctor show you how to mix concrete with this Project and Video Tutorial. Explains what sand to cement ratio you need for your Concrete Project. Find out how much cement and aggregate you need to buy using our concrete calculator. A guide on how to mix concrete for different applications.

2. Remove the steps, if the porch has them. Hit the steps with the sledgehammer to begin. As with the main section of the porch, the steps will break fairly easily if they're made of concrete blocks.

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If you're new concrete is 3 inches thick or more and your old concrete isn't all cracked up, then you're ready to pour your new concrete. If you're old concrete is cracked up, install your bond breaker (for really wide cracks I recommend sand or 1/2" styrofoam), then you're ready to pour.

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Mills Slot Machine Restoration on a Thumb Drive . A collector videotapes the complete restoration of a Mills Castle Front slot machine. It is an incredible amount of work, but the end result was an 8 hour video which documented the entire process.

Step : Make It Conscious. The first step is to figure out when -- and why -- you bite your nails, crack your knuckles, or engage in any other bad habit. "If you can notice when you are doing

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Sep 25,  · First figure out what caused the damage, do the necessary preparation of removing any unsound concrete and contamination, then install a repair designed to solve the problem. The worst thing you can do is make a repair that doesn't last. Someone once told me that over 50% of concrete

Step 1. Cover the concrete slab with a plastic tarp to avoid flying pieces. Break up existing concrete into smaller pieces that are easier for you to handle. Use a 12 lb. sledgehammer for slabs no thicker than 4 inches. For larger pieces, rent an electric jackhammer, which will make your job a lot easier, physically.

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The best finish for concrete floors depends on your personal taste. An acid stain is a bold, varied look with lots of texture and the potential for earthy tones and a natural stone appearance. A water-based stain might not last as long as an acid stain, but it gives you the choice of many different colors.

ECOBUST is the premier source for the most economical non-explosive demolition agents on the market. Ecobust provides a safe, noise free, effective, environmentally friendly solution for rock and concrete breaking. Ecobust is developed for small or large projects, does not require special training, or permits. Applications include and not limited to; concrete and rock demolition, rock

Do this when the concrete has started to set up and you can push your finger into it only about 1/4 in. To float hard-to-reach areas, kneel on a 2×4 laid across the form (see Photo 4). Make long, sweeping strokes in an arc with the leading edge of the mag float lifted slightly. Try to finish this step within an hour of starting to pour the

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Position the tip of the drill on the mark you made on the concrete and keep the drill perpendicular as you drill. Start the drill at its lowest speed for better control. Drill forward with steady, light pressure; do not force the drill. Drill the guide hole to a depth of 1/8- to ¼-inch. Stop the drill, sweep or blow away the accumulated

How Salt Damages Concrete. One of the most common ways concrete is damaged by salt is through exposure to de-icing salts. Anything containing chlorides or is mildly acidic will attack and break down the bonds holding the concrete together. The following factors of salt are known to harm concrete: Salt significantly lowers the pH in the concrete.

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Wedge anchors can be removed from concrete in one of three ways: If the hole beneath the anchor is deep enough, simply pound it into the concrete with a hammer. Use a saw or grinding wheel to cut the anchor off just above the surface, and pound the rest flat with a hammer.

Apr 30,  · 1. Cover the concrete slab with 4 mil plastic sheeting if you're working near windows. 2. Dig under the concrete if you're able to do so. 3. Start to break the concrete, starting six inches from the edge and working your way in. For slabs less than four inches thick, use a sledgehammer. For more than four inches thick, use a demolition hammer.

1. Calculate the actual step riser height for your stairs: with a 29 inch rise we figure, starting with an ideal riser height of 7" that we have 29 / 7 = 4 steps (4 x 7 =28) and to be more precise, each step will be 29 / 4 = 7.25 or 7 1/4" high. 2. Calculate the stair horizontal run distance:

Planetary Mixers - MEKA Concrete Plants. MEKA Planetary Concrete Mixers offer long life as they are 5-10% heavier than most of their equivalents on the market today due to their robust steel structure and thick interior abrasion proof linings. NI-HARD IS THE KEY . We offer NI-HARD alloy cast wearing linings in our Single Shaft Mixers as standard.

Feb 07,  · Here, a therapist and a psychologist share advice for how to kindly and effectively break up with someone. 1. Make sure you actually want to break up. Before you break up with your partner, make

Cement mixers come in a wide range of types and models making it difficult to find the best machine for your needs. Cement Mixer Capacity. Whether you want to buy or hire a concrete mixer the most important factor is the mixing capacity. If you buy a cement mixer that is too small for the job you will waste a lot of time waiting between mixes.

Dec 14,  · 2. Give concrete and logical reasons for why you want to break up. Be firm and clear with your significant other when you lay out why the relationship isn’t working. This may seem a little harsh, but if you do it with compassion, logic can actually help the other person deal with the breakup more smoothly.

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Jan 18,  · The most common way of preventing ice and snow on your porches, sidewalks, and driveways is salting prior to ice and snow. This may seem like a quick solution, but putting salt on these surfaces can cause concrete damage. Salt on concrete or pavement can causes it to pit, and once pitted, it can eventually crack and break.

MP750 Ready Mix Planetary Concrete Mixer Machine. DEX MPC1000 Planetary Concrete Mixer - mixer ready mixture concrete. concrete plant wikipedia 6 a concrete plant also known as a planetary single shaft and twin shaft mixer. the twin shaft mixer can ensure an even mixture of concrete through the use of high horsepower motors while the tilt mixer offers a consistent mix with much less

Feb 07,  · But, it also has a percussion feature that makes the concrete easier to drill. The fastest and easiest way to attach most wood parts to concrete is to use a powder-actuated gun. To use it, load a special gun nail and a .22 caliber gun shell into the barrel. Press the nose against the