The case for ... never demolishing another building

Jan 13, 2020 · Concrete usually either ends up in landfill, or is crushed for use in roads, but this project shows that waste aggregate (1,700 tonnes of it) can make high quality new concrete, reducing the

Concrete Demolition Tools and Tips (DIY) | Family Handyman

Tearing up concrete yourself can also save you a ton of money. Hiring a contractor just to demolish a 12 x 14-ft. patio could cost you $1,400 or more. If you do it yourself, the cost to remove a concrete driveway will run you about $400, including rental and disposal. That’s a savings of about $1,000 on the cost to remove a concrete driveway.

Advances in recycling and management of construction and

2017/06/23 — construction and demolition waste. 68. Isabel Martins, Carina Ulsen, Henrique Kahn, Mirko Landmann, Anette Mueller. 16. Mixing recycled aggregates concrete – old methods for new concrete. 72. B. Cazacliu, J. Moreno-Juez 

Computational methods to ease the reuse of construction

It is oriented towards the reuse of steel beams, columns and bars, but other materials, such as wood and concrete, could also be incorporated. A range of features Here's how it works: the engineer or architect designing or modifying a structure enters its overall characteristics into the program, along with a description of the stock of

Demolition and Reuse of Concrete and Masonry

Title: Demolition and Reuse of Concrete and Masonry Author(s): Yoshio Kasai and Tadayoshi Fujii Publication: Concrete International Volume: 11 Issue: 3 Appears on pages(s): 24-28 Keywords: demolition machines and techniques; demolition methods; recycled aggregate; recycled concrete; General Date: 3/1/1989 Abstract: Highlights of the Second International RILEM Symposium on Demolition and Reuse

Recycling of Demolished Masonry Rubble as Coarse Aggregate

The recycling of demolished masonry rubble as coarse aggregate in new concrete represents an interesting possibility at a time when the cost of dumping such material is on the increase. With the nu

Tips for Demolishing Concrete | DIY

This can make what first seemed to be a huge demolition job, in reality, a much easier task. If wire is found instead of rebar reinforcement in the concrete, don't get discouraged. A small, portable reciprocating saw, called a Sawzal, can help cut up the wire so that the jackhammer-demolished pieces can be removed as demolition proceeds.

Recycling and Reusing Concrete - New York Engineers

2019/11/29 — Many construction projects require some sort of demolition work during their early stages. The process of recycling concrete varies, and the best method for each project will depend on the size and shape of the concrete 

Recycling and reuse of construction and demolition waste

Nov 15, 2016 · For these composite members, the recycling and reuse of demolished concrete was increased in size from its usual value (i.e., ⩽40 mm) to a higher value (e.g., 50–300 mm for demolished concrete blocks as shown in Fig. 20, and >500 mm in one direction for demolished concrete segments).

Best Practices for Construction Waste Management

Mar 30, 2020 · Reducing construction and demolition debris also conserves landfill space, reduces the environmental impact of producing new materials, and can cut down the overall building project expenses through avoided purchase. 2. Divert and Reuse. Raw construction and demolition debris can be diverted and used as a resource.

Alternative Concrete Demolition Techniques| Concrete

Mar 30, 2012 · Demolition work by any method raises safety risks. Although expansive grouts, microblasting, and hydrodemolition are reasonably safe techniques, each has their own dangers and often are accompanied by drilling, sawcuts, and chipping. Every contractor needs to have a demolition section in their safety program.

Demolition of Post-Tensioned Concrete| Concrete

Jun 01, 1976 · Little has been published about the demolition of post-tensioned concrete but there is enough such concrete now in service to become a problem for demolition contractors. When a demolition sequence is being planned it is important to have a knowledge of the erection procedure and a set of the as-built record drawings.

Calls to reuse concrete from demolished nuclear sites

Concrete from decommissioned nuclear sites should be reused to fill in voids after reactors are demolished, an Aecom-led report concludes. The Nuclear Decommissioning Authority (NDA) tasked Aecom with the research, which was included in the NDA's Direct Research Portfolio Annual Report for …

Recycling Buildings: 10 Building Materials That Can Be Reused

Method. Concrete aggregate collected from demolition sites is put through a crushing machine. Crushing facilities accept only uncontaminated concrete, which must be free of trash, wood, paper and other such materials. Repurpose. Aggregate can be reused as a base material under foundations, roads and railroads. Plasterboard. Stat

Experimental study on reuse of demolished concrete waste - IJERnD

This paper discusses different aspects of the problem begins with a brief review of the international scenario in terms of demolished waste generated, Recycled Aggregates (RA) produced from demolished waste and their utilization in concrete and governmental initiatives towards recycling of demolished waste.