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Curing Concrete Dos and Don'ts

Although concrete will harden soon after pouring, it's still susceptible to damage from weight during the first four weeks. Wait at least 24 hours before allowing foot traffic, including pets

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Method Statement for Pile Reinforcement and Concrete Casting

Subsequent to the completion of the pile drilling, the borehole depth will be checked and verified versus the depth given on daily piling sequence and pile data. Only after borehole depth check can the cage be lowered into the borehole. A reference site datum level will be given to ensure the correct positioning of the cage with respect to cut off level.

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12 Most Common Mistakes When Pouring Concrete

Sep 04, 2020Sep 04, 2020Mixing your concrete with reinforcing fibers and using reinforcing rods laid down on a 12-in. x 16-in. grid pattern greatly reduces the chance of crack formation. Also, two weeks after pouring, use a masonry saw to make cuts one-third of the way through the thickness of your concrete slab. Make these cuts in a 10-ft. x 10-ft. grid pattern.

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Concrete Pouring Steps and Techniques

After the excavations are completed, the tremie pipe is inserted into the excavated pile. Then the flushing is done until the pile is fully cleaned. Necessary tests are done the make sure the cleaning is adequate. After getting all the approvals for concreting, concrete is filled to the tremie pipe.

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Common Pile Driving Problems and Solutions

Nov 20, 2019Pile driving is often a cost-effective and time-efficient method of driving support posts (piles) into the earth. But because you're working with soil and other hidden features in the earth, there is an element of the unknown, and things don't always go as planned. Whether you are driving concrete, steel, or wood piles, any number of problems are common.

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shall be cast separately, or, if alternate piles are cast in a tier, the intermediate piles shall not be poured until four days after pouring the adjacent piles. Piles cast in tiers shall be separated by tar paper carefully placed. The concrete shall be placed continuously in each pile. The completed piles must be free from stone pockets, porous

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Breaking Down of Piles (FPS)

Bored cast in place concrete piles should always be cast to a level above the specified cut-off such that, after trimming, a sound concrete connection with the pile can be made. Continuous flight auger piles and any other type concreted or grouted through the auger stem during extraction must always be concreted to the commencing surface level.

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Major Issues During Pile Foundation Construction and

1.2 Collapse of Pile Sides If casing is not provided, pile sides would collapse in soft and loose soil. This problem can be observed and solved supervisor. The solution is to install casing. 1.3 Excessive Water in Pile Groundwater flow into the construction site is the cause of excessive water in pile.

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Concrete Pile Works and Load Testing Requirements

Generally cast-in-situ (bored) piles with temporary casing method BS 2004 and BS 8004 will be permitted for execution. Installing bored cast in situ piles using CFA will not be permitted. Immediately after the drilling, the reinforcement has to be placed; ensuring a minimum concrete cover of 75 mm, and the pile has to be cast. Drilling Operation

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Pouring under water

Apr 14, 2004At that point the water will not adversely affect the concrete, but will in fact, help the strength gain as wet curing. You might want to over-excavate your footing by 4 to 6 inches and backfill with a layer of #57 stone to keep from having a mushy footing bottom prior to placing the concrete. RE: Pouring under water.

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How Long After a Foundation Is Poured Can You Build?

Poured concrete establishes about half of its final strength after about one week of curing. Curing is defined as a chemical process the concrete goes through in the days immediately after it is poured. While full strength does not occur for 28 to 60 days, depending on conditions, the building process can begin when the foundations are about 50

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Time Limit Between Pours to Avoid Cold Joints

Nov 01, 1991Nov 01, 1991A.: We don't find any reference to a set time limit in the American Concrete Institute (ACI) building code or specifications for structural concrete. That's probably because time isn't the only factor to consider. In cool, damp weather you can wait longer to place the next batch than you can during hot, dry weather.

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Pile Foundation Construction Problems and Solutions

Generally, piles are cast from the grade 30 concretes. This value may vary from country to country. Inadequate compressive strength of the concrete in the pile leads to severe issues in the construction. Since the pile is an underground structure, it is very difficult to rectify.

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Integrity and Pile Load Test Explained

Apr 07, 2018Apr 07, 2018Bored and driven piles are the major substructures that need to be cast properly as defects after construction may seriously affect their designed performance. Thus, it is necessary to determine whether piles has defects or not. The most common failures of in-situ piles improper tip formation due to contamination of soil with the concrete, intermittent concrete pouring or

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