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We have an 8-step guide to repair your concrete steps like a pro and skip the handyman. Skip to main content. Lifestyle. 24/7 help. For premium support please call: 800-290-4726 more ways to ...
As hard rocks, concrete can withstand high compressive stress but not tensile stress. As a consequence, concrete is easily damaged when expansion phases are formed in its mass. The most ubiquitous, and best known, expansive phases are probably the iron oxides produced by the oxidation of the carbon steel reinforcement bars embedded into ...
The environmental approach can be defined as "the exploitation of the environmental sensitivity of the dry rot fungus for its treatment". [11] A step-by-step procedure for using the environmental approach would be: Promote the drying out of the affected areas (e.g., by introducing forced ventilation from fans).
A dutchman, or in some uses graving piece, is a matching piece of good material used to replace a relatively small damaged area that has been cut out of a larger item, to avoid having to replace the entire item; or, any of various techniques for accomplishing such a repair. In some cases, the meaning has been extended to include small pieces ...
A joint replacing mortar with elastomeric sealant will absorb the compressive forces without damage. [4] Concrete decking (most typically in sidewalks) can suffer similar horizontal issues, which is usually relieved by adding a wooden spacer between the slabs. The wooden expansion joint compresses as the concrete expands.
On the other hand, concrete may be altered to provide self-healing capabilities for cracks. There are many solutions for improving autogenous healing by adding the admixtures, such as mineral additions, crystalline admixtures, and superabsorbent polymers. [6] Further, concrete can be modified to built-in autonomous self-healing techniques.
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