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Monday, January 21, 2019 10:52:53 AM Australia/Melbourne
Despite being a reliable, durable and economical construction material, concrete is still susceptible to various types of damage, one of the most common being concrete cracks. Cracks happen for different reasons, but with the right preventative measures, you can protect the integrity of your working area.
Why Does Concrete Crack?
One of the common causes of concrete cracks is overloading, so before driving on your concrete, be aware of its weight capacity. If concrete bears too much weight, it can break the concrete slab or move the soil underneath the slab and cause erosion, which leads to settlement cracks.
Remember that not all types of soil are ideal for working with concrete. The soil must be compact and free of any moisture and tree roots that can cause erosion.Read More
Friday, September 28, 2018 4:36:29 PM Australia/Melbourne
Where waterproofing is concerned, construction joints are one of the weakest points of the structure. These areas are highly susceptible to water infiltration, which can lead to the deterioration of the concrete and its surrounding reinforcement. As a result, concrete joints require a considerable amount of protection.
Hydrophilic Waterstops and How They Work
Hydrophilic waterstops are a cost-effective solution for protecting the watertight integrity of cast in-situ concrete. They prevent moisture from seeping into weak concrete joints, specifically zero- to low-movement concrete like the cold-joint between a footing and foundation. Hydrophilic waterstops can also be applied to formwork spacers, tie rods and pipe penetrations.
The ‘hydrophilic’ name comes from how these types of waterstops work. When they absorb water, hydrophilic waterstops expand dramatically, enough to create a protective, impermeable and long-lasting compression seal.Read More
Monday, September 24, 2018 1:34:30 PM Australia/Melbourne
Concrete is widely used in construction projects, but it deteriorates and can be damaged over time. There are many causes of concrete damage, such as variations to material specification, improper installation or wear caused by environmental conditions that lead to scaling, drying or corrosion. Quality standard inspectors are always on the lookout for these defects because they can cause personal injury, operations disruption and loss of business income.
The challenge to concrete repair contractors is to provide the most suitable concrete repair products that will restore or improve the long-lasting strength and aesthetic value of the concrete. The three things to consider to maximise the cost-effectiveness of a concrete repair product is an assessment of the structure, selection of the repair solution and working with choosing who will execute the repair.Read More
Friday, August 3, 2018 1:45:39 PM Australia/Melbourne
Hydration is essential to curing cement since the integrity of the result highly depends on the success of the hydration process.
The hydration process takes place once the cement grains begin to dissolve in water. The combination produces a series of reactions that produce more compounds over time. The accumulation of compounds results in the hardening and strengthening of concrete.
But there is more to hydration than just mixing water and cement and creating as many compounds as possible. Successful hydration depends on a number of factors.Read More
Tuesday, July 3, 2018 2:02:58 PM Australia/Melbourne
Conventional construction knowledge holds that concrete, regardless of integrity, can damage over time due to factors such as changing temperatures and reinforcement steel corrosion. While old, worn concrete is susceptible to cracks, surface stains and imperfections, freshly applied concrete is also at risk of damage. This is possible if the concrete has been installed incorrectly or has encountered certain issues during application.
If these problems are not addressed immediately, the aesthetic condition and the strength of the concrete are compromisedRead More
Monday, June 25, 2018 2:52:27 PM Australia/Melbourne
For concrete repair contractors, premature repair failure is a massive red flag. Not only can this tarnish your reputation as industry professionals, you can also be liable for property damage or personal injury should the faulty repair job cause accidents. Your business may be also charged with the cost of repairs, including your client’s income loss from disruption of operations.
The two most common causes of premature repair failure are incorrect root cause diagnosis and inappropriate selection of repair strategy. To help you prevent these, here is a guide on determining the cause of cracked concrete and as well as possible repair methods.Read More
Friday, June 22, 2018 6:22:49 PM Australia/Melbourne
Waterstops act as water-resistant barriers to protect concrete from moisture exposure and damage. Common applications include water towers, sewage tanks, bunded areas protecting tanks containing hazardous liquids and underground passageways.
PVC waterstops are ideal as they present high tensile strength and superior elongation capabilities. PVC can be moulded and welded with the appropriate amount of heat, while presenting strength in the expansion and contraction of concrete joints.
As a protection barrier, their chemical-resistant properties guard concrete from discolouration or damage caused by moisture, metal electrolysis and corrosive substances like acids and alkalis. This makes PVC waterstops ideal for water-retaining structures like pools, dams, tanks and reservoirs.Read More
Friday, February 23, 2018 10:59:22 PM Australia/Melbourne
Concrete is a powerful material used in several industries. It is an excellent material for building and road foundations because of its high compressive strength. A mixture of aggregate and water, concrete is responsible for keeping structures together.
Over time, however, concrete damage can occur. The older concrete structures are, the more vulnerable they can be to cracks and corrosion. Changing temperatures, moisture and corroded reinforcing steel can all contribute to damaged concrete.Read More
Thursday, February 1, 2018 11:41:40 PM Australia/Melbourne
Just like any other construction material, concrete deteriorates over time. You’ll notice that the concrete floor is starting to deteriorate when cracks start forming on its surface and when some areas are starting to chip off. At this point, you should consider thinking about ways to seal or repair the cracks or chipped off areas. Fixing concrete damage early prevents cracks from becoming bigger and affecting the entire structure or floor.Read More
Tuesday, October 3, 2017 7:49:33 PM Australia/Melbourne
On a construction site, tools and equipment suffer a lot of wear and tear. Regular maintenance and proper care of construction tools and equipment are vital to their longevity and performance. Proper usage and care is an effective way of reducing maintenance costs from repairs and machine downtime. Following regular maintenance checks for your tools and equipment will ensure that they are in excellent condition.Read More