We demolish precast concrete structures. Safe, efficient removal and demolition of precast concrete structures for building construction and expansion.

Therefore, concrete structure demolition is increasingly becoming an important issue, as more concrete structures reach their service life and require rehabilitation or replacement. Furthermore, as the bearing capacity of concrete structures are reached, partial or total removal of concrete structures become necessary to utilize

ATI has been featured in these industry trade publications: January 2020 Piledriver Magazine -Pile Cutting Machine Origin May 2017 Concrete Openings Tank Busters April 2017 Pilebuck Underwater Demolition December 2015 Concrete Openings - Damaged dolphin Port of Houston February 2015 Construction Executive - G.T. "Mickey" Leland Federal Building renovation …

Controlled dismantling of prestressed concrete structures requires adequate knowledge of the design calculations and construction details. The sophisticated techniques now being employed in prestressed concrete construction have created structures which will require elaborate planning and detailed calculations when the time arrives for demolition.

For structural projections such as balconies, canopies and verandahs extending beyond the building lines, demolition by hand held tools or the cut and lift process may be a safe solution. 16. 17. METHODS OF DEMOLITION There are various methods of DEMOLITION of structures. 1. Demolition by human operatives. 2.

Demolition of post-tensioned concrete structures presents the contractor with unique issues. Post-tensioned concrete is accomplished by tension-ing high strength steel cables within the concrete mass. This method is achieved in a process where metal or plastic tubes which contain loose tensioning cables or rods are cast into the concrete.

Small structures are demolished to build big structures etc. Definitions Demolition: The word demolition means destruction, breaking down or removal. Demolition of building is the process of dismantling or destroying of a structure after its life of serviceability by pre-planned and controlled methods.

Demolition of structures. by. Rajeshwary H.K. What is Demolition? 1 Demolition is nothing but. Complete destruction and bulldozing of a structure. 2 Need of Demolition Structure has been built with faulty design or construction.. Structure is deteriorated because of corrosion

Aug 21, 2021· Jamaica. Hey guys: Got a demolition job for my 430E backhoe. Pics attached. The building to the left with the exposed masonry blocks is what needs to be removed. It is 27 feet long x 12 feet wide x 9 feet tall. It has concrete stiffeners and a reinforced concrete roof slab. I'm thinking a water hose to keep down the dust during demolition ...

Demolition is the dismantling, razing, destroying or wrecking of any building or structure or any part thereof. Demolition work involves many of the hazards associated with construction. However, demolition involves additional hazards due to unknown factors which makes demolition work particularly dangerous. These may include:

May 03, 2019· Demolition of concrete structures would be accomplished to an elevation 2 meters (6.6 feet) below the average river bottom level. The draft tube passages, approach, and tail channels would be filled-in with concrete rubble. All concrete remaining in the river below grade would be covered with riprap and river

10%· Controlled dismantling of prestressed concrete structures requires adequate knowledge of the design calculations and construction details. The sophisticated techniques now being employed in prestressed concrete construction have created structures which will require elaborate planning and detailed calculations when the time arrives for demolition.

Oct 14, 2017· The life cycle of concrete structures is usually 40 to 90 years. During this life, structures often meet with some situations like disasters, changing functions, city reconstruction, or higher residence demand due to population, all these lead to demolition or reconstruction of existing structures.

Several reasons call for concrete removal and demolition. Some of the most popular include sunken slabs, deep & widespread cracks, frost heave on concrete slabs, and significant spalling. Of course, concrete demolition may be required during remodeling work. Old buildings and worn-out concrete structures also need to give way. Sunken Slabs

Demolition projects produce tons of materials that can be salvaged including wood beams, steel structures, plant equipment, doors, windows, office furniture, piping, metal and concrete. By carefully recovering these items before and during the stages of demolition we can save you future development costs.

Demolition of concrete structures Bringing it down—safely BY HAL T. HUDGINS PRESIDENT HUDGINS & COMPANY, INC. DEMOLITION SPECIALISTS ATLANTA, GEORGIA Figure 1. Wrecking balls weighing as much as 13,500 pounds can be used to demolish structures as high as 20 stories. Controlling the swing of the

DEMOLITION AND REMOVAL OF EXISTING STRUCTURES 1.0 DESCRIPTION The Work shall consist of: .1 Demolition, removal and disposal of existing concrete or steel structures, including but not limited to abutments, piers, girders, deck, curbs (in whole or in part);

Jun 04, 2019· Selective Demolition . Also known as strip-out, selective demolition is gaining popularity because it allows builders to reuse or recycle the building's materials. Selective interior and exterior demolition of wood, brick, metals, and concrete allow for recycling and future use in new structures, blending the old with the new.

Sep 28, 2021· The national average for concrete demolition and removal is $1,038, or between $2 and $6 per square foot. The amount you pay depends largely on thickness, size, and if the old concrete being demolished was reinforced with wire mesh or steel bars. The range you should expect to pay for removal and demolition is between $250 and $3,200 on average.

Jan 30, 2019· Ultimately, once building materials are untethered to a structure, they will find a new home, preferably in an up-, re-, or downcycled context. Here, we review the end-of-life potential of five major construction elements: steel, glass, concrete, drywall, and flooring. While varying in impact and availability, such examples point a way forward ...

1.3 Light concrete thickness less than 250 mm : Rands R 407,41 /m³ 1.4 Strip footing : Rands R 145,10 /m 1.5 Column footing : Rands R 206,50 no 1.6 Bases and floors after removal of super structures : Rands R 234,40 /m² 1.7 Heavy duty floors and bases after removal of super structure : Rands R 641,81 /m² ( 500 mm thickness) 2 Steel structures

Concrete Removal - Structural Component means concrete removals that typically apply to full or partial length removals of entire thickness of decks, girders, diaphragms, pier columns, and pier caps that have an impact on the structural adequacy, stability, and integrity of a structure.

May 01, 2018· The sequence of demolition may vary, depending on Site conditions and Structural element to be demolished 1. MANUAL METHODS. 21. 12-Apr-18 1. Hand held hammering; Repeated hammering is often used to fracture and break concrete mainly due to occurring tensile and shear stress. 1.

Jun 01, 2017· The demolition of prestressed concrete structures is hazardous and the experience of most industries is still limited. Professional advice must be obtained from a suitably experienced registered engineer. A demolition plan or method statement is required. The rapid release of the stored energy in the tendons, by removing the surrounding ...

It is one of the safest and the most efficient way to break the heavy and massive concrete chunks. It also limits the problems of the occurrence of the hazards on the demolition site. It has a lot of advantages over the traditional methods of breaking the concrete structures.

The demolished concrete is then removed easily by hand or crane. Such methods ensure breaking up concrete structures with minimum dust and noise. Under both the methods, holes aredrilled into the structure and lateral force is applied against …

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Hydrodemolition uses high-velocity water jets to remove deteriorated, delaminated, or contaminated concrete from reinforced concrete structures such as bridges, dams and parking garages. Concrete is removed using ultra-high pressure (UHP – 35,000 psi) waterjets operating at velocities exceeding 1,500 mph. Using UHP water, the hydrodemolition ...

If you know the type of debris that your demolition will produce (e.g. concrete, rebar, plaster, metal, equipment, etc.) along with the square footage of the building, an experienced dumpster rental provider will be able to give you a pretty accurate estimate of how much debris your project will produce and how much it will cost to remove it.

3. CIRCULAR CUTTING HEAD. A circular cutting head greatly increases efficiency for concrete removal on columns and pillars. Traditionally, repair and rehabilitation of these structures would take a fair amount of repositioning as crews with hand …

Structural demolition—versus complete building demolition—typically involves selective demolition within a concrete and steel structure. This service is usually required to seismically retrofit an existing structure to bring it up to current code, or to strengthen the structure.

Demolition of Pre-stressed Concrete Structures. The different forms of construction used in a number of more or less conventional structures built during the last few decades will give rise to a variety of problems when the time comes for them to be demolished.

Contained structural demolition is very frequently required to address deficiencies in an already standing structure, or to create an opening for further expansion or renovation. When things go wrong, demolition is structural required to remove the weakened or failed area while creating a clean and suitable surface for a fresh concrete pour.