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CONCRETE HYDRO-DEMOLITION REMOVAL RATES

CONCRETE HYDRO-DEMOLITION REMOVAL RATES Job Description Source Results (cf/hr) Average Results (cf/hr @ 100 hp) Bridge deck in Illinois, 1980’s 40 ksi with 2 nozzles, 4 gpm, 93 hp 2 ips, 600 rpm 2.5” deep at 1.35 sy/hr =12 sf/hr Waterjetting Technology, David A. Summers, p.323 2.5 2.6 Highway bridge in NY, 1985

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Concrete Demolition - methvin

Productivity of Concrete Demolition * Production rates listed are based on 8-hr shift. The above figures are for general estimation purpose only and must not be used to guarantee any production figure to the customer. The actual working results may vary according to the quality and structure of the material to be broken, required degree of ...

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Hydrodemolition High-Strength Concrete Removal – Rampart Hydro

The removal rate is inversely proportional to the concrete compressive strength. For example, if concrete removal were proceeding at 200 sf per operating hour in 4,000 psi concrete at a specific depth and the strength increases to 8,000 psi (cross a control joint to high strength concrete) the production would decline to 100 sf per operating ...

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Concrete Hydro-Demolition Solutions

concrete removal on roadways, bridges, and parking structures. High pressure waterblasting tools allow the ... optimum removal rates. The Blackhawk was designed for vertical and horizontal use and provides effective concrete removal on bridges, garages, and roadways. ... of versatile hydrodemolition equipment. Their automated robots feature

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Hydrodemolition and Repair of Bridge Decks

The use of modern hydrodemolition equipment for removal of deteriorated concrete and preparation of bridge decks for concrete repair. Comparison of hydrodemolition to conventional sawing and jackhammer removal concerning cost and harm to remaining concrete. 17.

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CONCRETE HYDRODEMOLITION SOLUTIONS

CONCRETE REPAIR AND REMOVAL Hydrodemolition is an efficient, cost-effective, and safe method that utilizes high-pressure water to remove loose, deteriorated, and damaged concrete on roadways, bridges, tunnels, dams, parking structures, and power plants. High-pressure water blasting tools allow the concrete to be removed

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Selective Removal vs. Hydrodemolition Operating Pressure ...

There is a contradiction between the concept of “hydrodemolition” and “selective removal”. Hydrodemolition equipment currently in use in the U.S. operates at a wide range of pressures and flow rates ranging from 16 – 90 gpm and 14,000 psi to 40,000 psi. All of the equipment is capable of removing sound concrete.

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Hydrodemolition: A Unique Concrete Removal and Surface ...

It is an efficient, cost-effective, and precise method that employs high-pressure water to remove deteriorated concrete. Hydrodemolition is a safe and controlled solution for the removal of concrete. It has no risks of microcracks of the existing substrate compared with other traditional methods.

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Conjet - Automated Concrete Removal

If a concrete structure needs repair, Conjet has the optimal concrete removal solution for the task. For over 35 years, we have led the development of robotic hydrodemolition technology – a technology with a proven track record as the most sustainable and effective method for concrete removal and other types of surface preparation.

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Hydrodemolition Services: Hydroblasting Concrete Removal ...

We now employ twelve operators who are permanently engaged in concrete demolition and removal, completing hydroblasting contracts ranging in value from £850 to £500,000 making us the countries most experienced concrete hydrodemolition contractor. Due to the ability of our operatives, we are not limited to one type of hydrodem, and are able to ...

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Hydrodemolition, Concrete Removal Hydroblasting Services

Hydrodemolition, Concrete Removal and High Pressure Water Jetting. Hydrodemolition, a process which uses the power of high pressure water jetting, is widely regarded by civil engineers as the safest and most effective method of concrete removal, with the main benefit being that the process leaves steel reinforcements in tact and ready to be re-used. ...

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Water Usage In Hydrodemolition Hydroblast

Hydrodemolition water usage and typical breakout comparisons (21st November 2013). This information is taken from Break out rate sheets. Fig 1. As an example, consider the information presented in the yellow highlighted sections. Here we have stated that when a pump using 1000 bar at 57 litres per minute is used, this will give a reaction force ...

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Hydrodemolition: Concrete Removal That Is Safe, Efficient ...

Apr 22, 2019  In today’s modern working conditions, cost-effectiveness, safety, and efficiency are greatly emphasized. When it comes to concrete removal and refurbishment, Hydrodemolition is the go-to solution. Over time, concrete tends to become structurally deficient due to the vulnerability of deterioration. Therefore, the need for concrete maintenance and refurbishment is needed. Using only

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Florida Department of Transportation

production rates unit low ave high mobilize / mot / erosion control wks remove sidewalk sy erosion control silt fence lf ... concrete paving slab replacement curb gutter barrier wall sidewalk landscaping 1 gal 3 gal 7 gal ... remove existing concrete pav't temporary pav't 100,000 - 300,000 excavation - subsoil excavation - borrow embankment

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RAP14: Concrete Removal Using Hydrodemolition - YouTube

Jan 17, 2014  To earn continuing education credit on this topic, visit: https://concrete/Education/OnlineCEUProgram/On-lineCEURegistration.aspx?courseid=RAP14_10

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Concrete Removal - an overview ScienceDirect Topics

Nov 28, 2006  R. Dodge Woodson, in Concrete Portable Handbook, 2012. Hydromilling. Hydromilling is sometimes called hydrodemolition or water-jet blasting. This type of concrete removal is effective on concrete with a depth of up to 6 in. Sound concrete and reinforcements are not normally damaged when hydromilling is used; however, this method is expensive and can be slow when sound concrete is

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Why hydro demolition machine? - Nanjing Watex Tech Co.,Ltd

Jun 18, 2021  Watex robot uses high-pressure water up to 22,000 psi (1500 bar) to selectively remove concrete at a predetermined quality level. Non-selective removal is the preferred method when concrete needs to be removed to a predetermined depth, independent of the quality of the concrete. Watex robot uses high-pressure water above 22,000 psi (1500 bar).

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TECHNIQUES FOR CONCRETE REMOVAL AND BAR

2 Concrete Removal and Bar Cleaning Tasks and Techniques ..... 13 2.1 Factors That Define the Tasks 13 2.1.1 Method Used to Identify the Concrete to be Removed 13 ... Figure 6.8 Hydrodemolition cost estimating worksheet ..... 86 Figure 6.9 Range of hydrodemolition equipment purchase price ..... 89 Figure 6.10 Sensitivity analysis for ...

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Concrete Demolition Robotics - Hammelmann Australia

The Robot 432 D can in fact achieve higher removal rates of concrete than any other standard Hydrodemolition robot in the market. This can be achieved because the Robot 432 D operates with reaction forces up to 4000 N, which are created when high pressure water from up to 1100 kW (1500 hp) high pressure pumps is fed to the robot.

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Hydrodemolition Services: Hydroblasting Concrete Removal ...

We now employ twelve operators who are permanently engaged in concrete demolition and removal, completing hydroblasting contracts ranging in value from £850 to £500,000 making us the countries most experienced concrete hydrodemolition contractor.

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TECHNIQUES FOR CONCRETE REMOVAL AND BAR

2 Concrete Removal and Bar Cleaning Tasks and Techniques ..... 13 2.1 Factors That Define the Tasks 13 2.1.1 Method Used to Identify the Concrete to be Removed 13 ... Figure 6.8 Hydrodemolition cost estimating worksheet ..... 86 Figure 6.9 Range of hydrodemolition equipment purchase price ..... 89 Figure 6.10 Sensitivity analysis for ...

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Hydrodemolition for concrete removal - Civil Engineering World

Jan 16, 2020  Concrete is disintegrated under high pressure water jets and produce small pieces; size ranging from sand to gravel and perform better on deteriorated and unsound concrete. Hydrodemolition produced a rough profile after removal.

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Hydrodemolition, Concrete Removal Hydroblasting Services

Hydrodemolition, Concrete Removal and High Pressure Water Jetting. Hydrodemolition, a process which uses the power of high pressure water jetting, is widely regarded by civil engineers as the safest and most effective method of concrete removal, with the main benefit being that the process leaves steel reinforcements in tact and ready to be re-used. ...

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Hydrodemolition - Five concrete errors and how to fix them ...

Jun 24, 2021  Additionally, the hydrodemolition robot’s selective removal capabilities can provide a cost-effective solution for other concrete mix problems. For example, during a recent bridge construction, delivery of a bad batch of concrete threatened to derail the entire project. The concrete was already setting as crews poured.

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Hydrodemolition - Concrete Cutting and Removal Service

Hydrodemolition. Hydrodemolition (or Hydro Demolition) is the controlled use of high-pressure water jets to remove or demolish concrete.The hydrodemolition process is an incredibly safe and efficient way to cut and remove concrete without affecting steel substructures and other important parts of buildings or machinery.

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Hydrodemolition Contractors Concrete Removal Corejet

The UK’s Leading Hydrodemolition Contractors The safest most effective method of concrete removal. Corejet are the UK’s Leading Hydrodemolition company, with 40 years’ experience specialising in Concrete Cutting and removal. Members of the Water Jetting Association, our team of highly skilled and CSCS accredited individuals provide innovative solutions for the construction industry.

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Hydro-Demolition – CCS – Commercial Industrial Solutions

When the water fills the natural cavities in the concrete, it bursts from within, exploding upwards. The result is a rough surface, free from micro-cracks, ready for a new layer of fresh concrete. It also leaves the reinforcement bars completely intact. Hydrodemolition can also be used for paint removal and surface preparation.

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New Orleans Concrete Removal Services - Big Easy Demolition

The concrete removal cost will depend on the amount of concrete that needs to be removed, disposal fees, and your location in New Orleans. An example of professional concrete removal prices are: A modest patio or sidewalk (200 sq ft): $400 – $600 but will cost more if the concrete cannot be recycled

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RAP14: Concrete Removal Using Hydrodemolition - YouTube

Jan 17, 2014  To earn continuing education credit on this topic, visit: https://concrete/Education/OnlineCEUProgram/On-lineCEURegistration.aspx?courseid=RAP14_10

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Hydrodemolition Specs :: Rampart Hydro Services

This unit price includes all cost resulting from the deeper removal including, but not limited to, the cost of hydrodemolition, water control, cleanup, disposal, concrete, and placement”. The unit price is Cubic Yards. Recommend using an additional ½” of concrete or 77 CY in the example above. Wastewater Containment and Disposal

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Use of Hydrodemolition.To Remove Deteriorated Concrete ...

The use of hydrodemolition has several advantages over conven­ tional removal methods, such as jackhammering and rotomilling. A primary advantage of hydrodemolition is its ability to remove con­ crete around and in bet"Yeen reinforcing bars without inducing addi­ tional damage to the surrounding concrete. This advantage is very

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Fluid Force Hydrodemolition

FFH Hydro Demolition Equipment Fluid Force Hydrodemolition uses state of the art robots suitable for all operations such as horizontal, vertical and on- over-head with up to 6 meters working height without support, and even more with support. Regular concrete breakers can damage rebar and produce vibration that generates microfractures in sound concrete.

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Concrete Demolition Robotics - Hammelmann Australia

The Robot 432 D can in fact achieve higher removal rates of concrete than any other standard Hydrodemolition robot in the market. This can be achieved because the Robot 432 D operates with reaction forces up to 4000 N, which are created when high pressure water from up to 1100 kW (1500 hp) high pressure pumps is fed to the robot.

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