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BellMont Blog

Concrete Cancer: to Repair or to Replace

12/3/2010

17 Comments

 
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Located in Sydney’s Eastern Suburbs, this residential historical complex consisting of three levels of face brickwork, with garages to the front lower level of the property is of significant character and heritage. Years of Chloride ion penetration however, have resulted in the loss of integrity of the car park roof slabs. Bellmont was engaged to inspect and assess possible remedial measures. Our inspection revealed the presence of chloride ions within the concrete slab – well above the allowable threshold. The structural integrity of the slab and beams were deemed to be in a critical condition.

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BellMont documented a remedial specification for the necessary remedial works and procured tenders from Sydney’s leading concrete repair contractors. Buildcorp was the successful tenderer and commenced with detailed propping and demolition of the structure in order to allow for the demolition of the concrete. Bellmont provided advice on propping of the building – whilst maintaining full functionality of the residential complex – other than the garage areas off course.
Interestingly, the intricate brickwork of the structure required for the new slab to be supported off cantilevered brickwork. The remedial design proposed by BellMont required for new shelf angles to be installed beneath the cantilevered bricks for additional support, along with the application of a penetrating migrating inhibitor to the existing concrete in order to protect against reinforcement corrosion for many years to come. The new concrete slab will be waterproofed and protected from water penetration for many years to come also.

17 Comments
Kira Parkes
6/3/2017 04:48:16 am

Good work! Just to underline: when it comes to minor slab repairs concrete should not be used to fill cracks and holes. It will actually only perpetuate the issue, as you may deal with additional cracks and holes in this new concrete, further on down the line. Read more: http://www.restumping-melbourne.com.au/maximizing-stability-foundation/

Reply
Aeramix link
15/10/2017 06:38:19 pm

Great to hear the great finishing in the repair work.
The waterproof slab may help in the future.

Reply
structural strengthenning contractors in hyderabad link
7/1/2021 06:52:20 pm

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Wow Very Nice blog post! Your site has given the best information from your articles they are amazing and useful to all people. Thank you For sharing This Post and impressive site. NVLN CONSTRUCTIONS PVT LTD is a provider of end to end building Restoration services to help clients to improve safety and longevity of structures. We have been relentlessly working on providing services in concrete repairs & rehabilitation works.

Reply
structural strengthenning contractors in hyderabad link
18/3/2021 10:35:46 pm

Hey,
I noticed your Article. I just loved it.
NVLN is specialized in delivering services and solutions to help clients. We ought to be acquainted with respect to concrete structural repairs & rehabilitation. for more information

Reply
Grand Rapids Concrete Pros link
19/10/2021 10:33:00 pm

Great to hear the great finishing in the repair work. Keep up the good work!

Reply
Roof Repair Pembroke Pines link
10/11/2021 05:56:36 am

If you want to repair or install new kind of roofing systems, hire certified roofing company.

Reply
concrete restoration link
25/11/2021 12:12:53 am

Concrete flaws aren't always obvious, such as visible cracks and uneven surfaces. It's possible that you'll just notice a minor shift in color or texture. If the color of your concrete changes, it could be an indication of a problem. This discolouration occurs when the protective coating on the surface of your concrete is stripped away by the elements. This alteration not only shortens the life of your concrete, but it can also cause major corrosion. To keep the concrete's surface protected, you'll need to apply a new layer of protective coating.

Reply
https://columbusgaconcreteservice.com/concrete-patio-2/ link
5/7/2022 09:50:33 pm

Very interesting, good job and thanks for sharing such a good blog.

Reply
Concrete service columbus link
16/9/2022 05:30:06 pm

So informative things are provided here,I really happy to read this post,I was just imagine about it and you provided me the correct information I really bookmark it,for further reading,So thanks for sharing the information.

Reply
Carson Bennet link
14/10/2022 07:52:52 pm

Easy, repair it. It's a historical structure, they should repair it to retain historical accuracy and significance.

Reply
concrete patio contractor link
7/11/2022 04:46:40 pm

Concrete cancer is a serious problem that can cause a lot of damage to a building. If you have concrete cancer, you will need to decide whether to repair or replace the affected area. f you decide to repair the affected area, you will need to remove all of the damaged concrete and replace it with new concrete. This can be a difficult and expensive process.

Reply
Pittsburgh Concrete link
15/12/2022 06:05:30 pm

Thanks for sharing. Looking forward to the next one!

Reply
Salt Lake City Concrete Company link
16/12/2022 11:35:50 am

Awesome as always. Thanks for sharing!

Reply
Tulsa Concrete Contractor link
17/12/2022 10:51:59 am

Thanks for posting. I just shared it on my FB

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Edmonton Concrete link
4/1/2023 03:54:41 am

Nice article! thanks for sharing the post!

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Concrete Calgary link
11/1/2023 08:24:09 am

I think this is really informative! Thank you for this!

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Concrete Contractor Red Deer link
20/1/2023 05:34:13 am

Thanks for sharing this post, it is very helpful article.

Reply



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Phone: ​​02 9518 0775
​Email: info@bellmont.net

  • Services
    • Civil and Structural Engineering
    • Heritage Buildings
    • Expert Witness Services
    • Waterproofing
    • Concrete Repair Investigations
    • Project Management
    • Rope Access
    • Design Building Practitioner
  • Our Team
  • Case Studies
    • Facade Case Studies >
      • Bondi
      • Marrickville
      • Darling Point
    • Heritage Buildings Case Studies >
      • Chinatown Gate Refurbishment
      • St Sophia Church
      • Holy Trinity Greek Orthodox Church
      • Fortune of War Hotel
      • Spectacle Island
      • Ashfield
    • Waterproofing Case Studies >
      • Neutral Bay
      • Mascot
      • Summer Hill
    • Structural Case Studies >
      • King Street Wharf
      • Rockwall Apartments, Potts Point
      • Kirribilli
  • Blog
  • BULLETIN
  • Accreditations and Suppliers
  • Contact us