منزل •chemical use to break concrete - search results

chemical use to break concrete - search results

  • Alternative Concrete Demolition Techniques| Concrete ...

    The blast is large enough to break thick concrete but results in little flying debris, which can be controlled by placing carpet over the blast area. "The head and firing pins are very tough tool steel," says Ezebreak owner and inventor Carroll Bassett. "With 1000 systems in use, we've never replaced a head."

  • How to Break up Concrete with Chemicals for Removal ...

    Dexpan can crack, cut or break concrete easily and safely. 3 simple steps to use: drill, mix and pour. Call 575-332-9458 for Wholesale Discounts Although Dexpan Expansive Demolition Agent is not recommended for shallow application less than 6 inches in depth, but there are many successful projects.

  • How To Break Up and Remove Concrete - This Old House

    Breaking up concrete with chemicals. There is also what's referred to as expanding grout—a chemical agent that helps break up concrete. A jackhammer may be required depending on site conditions; a rotary hammer for sure. Mix, pour, and wait. The grout expands and breaks the concrete. Plan ahead and consult the manufacturer's instructions ...

  • Concrete: Scientific Principles

    Huge crushers break the blasted limestone into small pieces. ... The choice of aggregate is determined by the proposed use of the concrete. Normally sand, gravel, and crushed stone are used as aggregates to make concrete. ... This is because water can transport harmful chemicals to the interior of the concrete leading to various forms of ...

  • Dexpan Canada - Concrete & Rock Breaking - NO noise, dust ...

    Drill your holes. 2. Mix Dexpan powder with water. 3. Pour mixture into pre-drilled holes. Over the next 18 to 48 hours Dexpan slowly expands with 18,000 PSI of expansive power to break the toughest rock, concrete or reinforced concrete. Instructions & Downloads.

  • Types of Chemical Attacks on Concrete Structures - The ...

    When a concrete structure is prone to chemical actions its durability gets affected. The chemicals may cause cracking of concrete, volume change and deterioration of structure. The life of structure reduces and it can lead to failure of structures. Different types of chemical attacks and their effects on concrete structures are explained below.

  • THE CRACKER ® | Non Explosive Concrete Cracking Agent | ATC

    Break Concrete With Concrete Demolition Powder-The Cracker. Features and Advantages. Simple to use by mixing with a specific amount of water and poured into specifically spaced pre-drilled vertical holes; Use where inaccessible for typical demolition, where blasting is not permitted or where heavy equipment, noise or vibration is unacceptable ...

  • Dexpan 44 lb. Box Type 3 (23F-50F) Expansive Demolition ...

    Concrete demolition and rock breaking has never been easier with Dexpan Expansive Demolition Grout. Dexpan is a powder with amazing 18,000 psi expansive strength when mixed with water. Poured into drilled holes, Dexpan can break concrete and rocks safely and quietly, while providing silent cracking. It is safer, easier and more cost effective.

  • Types and Causes of Concrete Deterioration

    Concrete can deteriorate for a variety of reasons, and concrete damage is often the result of a combination of factors. The following summary discusses potential causes of concrete deterioration and the factors that influence them. CORROSION OF EMBEDDED METALS Fig. 1. Corrosion of reinforcing steel is the most common cause of concrete ...

  • CRACK-IT ROCK BREAKING CHEMICAL – HIRETECH

    The hole spacing must be 200 to 400mm apart, depending on rock /concrete strength, and must be drilled in a honey-comb type pattern. To obtain a required depth in bed rock, drill to 105% of level, and to break boulders, drill to 80% of the boulder height. MIXING: Expansive mortar must be thoroughly mixed with clean cold water before use.

  • How to Break Up Concrete - Lowe's

    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. 4. Pry with a long bar or wrecking bar as …

  • Nonexplosive chemical composition for gently breaking rock ...

    A chemical composition for gently breaking a rock or concrete mass, the composition comprising a principal component which is prepared by calcining a starting mixture comprising 100 parts by weight of quick lime and 1 to 20 parts by weight of calcium fluoride at a temperature of from about 800° C. to about 1400° C. to produce a sintered ...

  • The Best Method To Remove Oil From Concrete - This Really ...

    Terminator-HSD concrete cleaner is what we use to clean oil stains from concrete driveways, garage floors, gas station pads, and parking lots. Of all the other products and methods I've tried, Terminator's cleaner has worked the best. It's also safe to use, no harsh chemicals, detergents or acids to deal with.

  • How to Break Up Old Concrete - Fine Homebuilding

    These chemical powders are mixed with water and poured into 1-1/2-in.- to 2-in.-dia. holes drilled in the concrete. Over the next 24 hours, the agent expands with about 18,000 lb. per sq. in. of force. Breaking stone or concrete this way is clean, …

  • Mean Klean 1 gal. Concrete and Mortar Dissolver-MK128OZ ...

    Easily remove concrete from your tools and equipment with Mean Klean 22 oz. Concrete & Mortar Dissolver. The advanced liquid formula dissolves and physically breaks down concrete by attacking the Portland cement, eventually reducing it to mush that is easy to clean off with a hose or pressure sprayer.

  • Clear Concrete From Drain Pipes - Pipe Magic

    Clear Concrete From Drain Pipes. A common problem is how to clear concrete from drain pipes. As with many construction sites and new home building sites, during the construction operations, in order to maintain machinery and equipment in …

  • How To Break Up Concrete With Chemicals? | Shop for Power ...

    Some use gasoline powered demolition saw but this is also noisy, heavy and prone to accidents. In recent times the demolition experts are shifting to alternative methods for breaking up the concrete. The use of chemicals to demolish or break up concrete is getting popular because of …

  • Expanding Grout: Non-Explosive Expansive Grout Concrete ...

    Although fragmentation takes place within 12 to 24 hours, the progressive action of Bustar expansive grout continues for four days in summer and eight days in winter reaching a pressure of over 7000 T/m2 (rock and concrete break at between 1500 and 3000 T/m2). Download printable Bustar Technical Sheet.

  • Concrete degradation - Wikipedia

    Various types of aggregate undergo chemical reactions in concrete, leading to damaging expansive phenomena. The most common are those containing reactive silica, that can react (in the presence of water) with the alkalis in concrete (K 2 O and Na 2 O, coming principally from cement). Among the more reactive mineral components of some aggregates are opal, chalcedony, flint and strained quartz.

  • How to Break Up Concrete by Hand - thespruce.com

    Stack the concrete pieces up and create a short garden wall. Make short retaining walls. Stack the pieces in a circle to make a fire pit. Use the pieces as edging for a pond to hold down the pond liner. Use the small rubble as French drain material. Use the concrete as fill material when you want to build up an area of your yard.

  • Mechanical or Chemical Concrete Stripping - Concrete Decor

    Chemical Concrete Stripping A crew used a scarifier to remove the epoxy on this lighting factory floor. ... the longer it will take to break down." ... If you still have adhesive residue on the concrete surface, use your floor scrubber to sand the floor as well. Your local rental yard will have this type of equipment.

  • Use of Construction Chemicals in Construction Works | HTC

    Besides these, other construction chemicals used in the construction activities include Mortar and Pest Control, Humidity, Asphalt and Concrete Sealants, and Soffits and Exterior Finishes. These chemicals are extensively used for various purposes and may be classified into three main categories: biological solutions, soil additives, and lubricants.

  • Acid Attack on Concrete - Effects & Results of Acid Attack ...

    Ordinary Portland Cement (OPC) is highly alkaline in nature with pH values above 12. When the cement paste comes into contact with the acids its components break down, this phenomenon is known as acid attack. If pH decreases to values lower than stability limits of cement hydrates, then the corresponding hydrate loses calcium and decomposes to amorphous hydrogel.

  • Expansive Rock Breaking Non-Explosive Demolition Agent ...

    The expansive force will cause the rock or concrete to break, in a low controlled demolition. Will Expanding Grout break all sizes of rock and concrete? Yes, our Expanding Grout will break all sizes of rock and concrete, from very small to large, as well as steel reinforced concrete or bedrock. Our Expanding Grout products have an astounding ...

  • Breaking Down of Piles - EFFC

    The above systems are most commonly used in large diameter cast in place concrete piles and can be used for contiguous wall piles. They are not appropriate for large secant walls and diaphragm walls. Hydro-demolition Methods The system uses extremely high pressure water jets capable of removing concrete without damaging the reinforcing bars.

  • How to Dissolve Concrete With Acids | Hunker

    Concrete is a durable building material that takes special materials to dissolve once it's hardened into place. Phosphoric acid and trisodium phosphate are the main compounds used to dissolve concrete leftover from masonry work. Sometimes, that doesn't do the trick.

  • Nex-Pand: Rock Breaking Chemical – Harlen Quarry Supplies

    NEX-PAND is a non-explosive expansive mortar, used extensively in the following industries: dimension stone/quarries, mining, civils, and construction. In addition it is used for the breaking of concrete and reinforced concrete blocks, slabs, beams, and other structures. NEX-PAND is an environmentally friendly product and therefore produces NO vibration, NO noise, NO toxic gases, NO fly rock ...

  • Non-Explosive Demolition Agent DYNACEM

    concrete removal, demolition, splitting and breaking rocks, concrete or stones is your favourite activity, you encountered an obstacle and need to hire a concrete breaker, hydraulic breaker, jackhammer, rock braker or demolition shears, you're wondering how to break concrete, or a rock, how to remove a foundation, or demolish a wall.

  • Google Answers: Chemical for Rock Breaking

    The best way to break up rock without using explosive materials is by drilling small boreholes into the rock and pouring an expansive chemical agent into the holes. These chemicals are called "soundless chemical demolition agents" or "non-explosive demolition agents." The process can be done on a small scale with a boulder, or on a large scale ...

  • Choosing the Best Anchor to Fasten to Concrete - Concrete ...

    The measurement is calculated by pouring concrete in a cylinder and then measuring the force needed to break the concrete after it is hardened. For example, concrete that is designated as 3,000 psi concrete is concrete that is able to carry a compression stress of 3,000 psi after 28 days. Standard concrete is less than 7,000 psi and high ...