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1. Achieve template flexibility

2. Implement template ease of use

3. Effectively save costs and improve efficiency

 

 

The field of production of precast concrete elements requires precision, efficiency and cost-effectiveness. To achieve this, advanced solutions in the form of integrated electric box fixing magnets are crucial. You can learn more about magnets.In this article we’ll take a closer look at its many benefits in terms of flexibility, ease of use, and cost savings.

 

1. Achieve template flexibility

 

1.1. Tailor-made according to the template

 

A key aspect of the electric box fixing magnet’s versatility lies in the clever design of the formwork system. The steps are tailored according to the actual size and connection method of the template to achieve seamless and flexible combination. This thoughtful design enhances the convenience of disassembly and assembly and ensures safe and stable fixation.

 

It is crucial to choose a building insert suction cup that meets your suction requirements. The wise choice of suction cups ensures a secure fixation of the mold table, thus simplifying the prefabrication process. Designed for quick and easy use, these construction suction cups simplify workflow by allowing them to be placed where needed and quickly removed when the job is complete.

 

 

1.2. Clever design of magnetic structure

 

The design of the magnetic structure plays a key role in ensuring flexibility. By intelligently combining various shapes, these fixed magnets can accommodate wire boxes of different sizes and configurations. The design and production of the formwork system conforms to the specific dimensions and connection methods of the formwork, making it flexible in combination, easy to disassemble and firmly fixed.

 

2. Implement template ease of use

 

2.1. Completely change the positioning through the rotatable junction box

 

One notable application for electric box fixing magnets is positioning junction boxes within molds. Unlike traditional methods involving nails and rivets, the integration of magnetic suction cups revolutionizes the process. After the junction box is inserted into the mold, it can be easily rotated and the direction can be adjusted at will. The need for precise positioning only arises once and the mold can be used seamlessly from bottom to top.

 

This innovative approach eliminates the use of traditional fixing elements such as nails and rivets, which not only hinder the demoulding process but also increase its complexity. The magnetic wire box has pre-embedded magnets, no drilling required, and no traces left on the surface of the object. The simplicity of this operation means significant savings in time and labor.

 

2.2. Maintenance-free demoulding

 

Once disassembled, the magnetic mounts exhibit a unique feature - they do not cause damage to the junction box. This results in a virtually maintenance-free experience with the added advantage of recyclability. electric box fixing magnets can be seamlessly reused with formwork, contributing to sustainable and environmentally friendly construction practices.

 

The design of the magnetic structure plays a key role in ensuring adaptability. By intelligently combining a variety of shapes, these retaining magnets can accommodate pipe and wire boxes of varying sizes and configurations. The design and production of the formwork system conforms to the specific dimensions and connection methods of the formwork, making it flexible in combination, easy to disassemble and firmly fixed.

 

 

3. Effectively save costs and improve efficiency

 

The magnets used in this advanced system are carefully selected. Choosing magnets with strong magnetic properties, compact dimensions and high energy is critical to ensuring the overall efficiency of the precast concrete production process. Uses small embedded magnets to facilitate loading, unloading and transportation of the wire box.

 

In the field of precast concrete production, the integration of electric box fixing magnets emerges as a transformative solution, offering many advantages such as stability, flexibility, ease of use and cost savings. HULK Metal can provide one-to-one solutions for the selection of electric box fixing magnets, design of formwork systems, and various applications of electric box fixing magnets, leading to a paradigm shift towards a leaner, more sustainable and more cost-effective building future!

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Precast Concrete Column "Deformity"

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Precast Concrete Column "Deformity"

Precast Concrete Column "Deformity"

StructuresDesign

(Structural)

(OP)

23 Jan 17 20:14

Do you have any good suggestions as to what is going on with this column:


For reference, the column is approx. 7" in diameter and is one of three interconnected columns with shared bases and caps. The "tumor" is hard to the touch, so it is not just paint blisters. The wet sheen is from water pushed out of a paint blister above. The rust stain seems to indicate that the reinforcement is failing, but I have never seen concrete bulge out like this. I am used to seeing concrete spall off due to swelling rebar.

Hi Structural Sleuths,Do you have any good suggestions as to what is going on with this column:For reference, the column is approx. 7" in diameter and is one of three interconnected columns with shared bases and caps. The "tumor" is hard to the touch, so it is not just paint blisters. The wet sheen is from water pushed out of a paint blister above. The rust stain seems to indicate that the reinforcement is failing, but I have never seen concrete bulge out like this. I am used to seeing concrete spall off due to swelling rebar.

RE: Precast Concrete Column "Deformity"

OldBldgGuy

(Structural)

25 Jan 17 01:10

You know that it's concrete? Moisture is pretty well certainly the immediate cause, but what it's reacting with is the question. The appearance is more along the line of a softer, lime-based material that has been constrained by the coatings. It could be a lime binder in a sand or sand & stone matrix, or it could be a chemical reaction of the aggregate in a portland-based mix with poor aggregate. I have a materials expert that I do a lot of work with; old masonry and concrete are his thing. I will forward the photo to him & get an opinion. In the mean time, finding & stopping the source of the water is imperative regardless of what comes next.

RE: Precast Concrete Column "Deformity"

SlideRuleEra

(Structural)

25 Jan 17 14:35 th or early 20th century cast iron column that was coated with with some type of cementitious coating. The detail at the top of the column is typical of what would have been used on a cast iron column. If water gets trapped between the column and the coating, cast iron corrosion can form bulging tubercles. A strong magnet is an easy way to see if cast iron is a possibility.

May be corrosion on a 19or early 20century cast iron column that was coated with with some type of cementitious coating. The detail at the top of the column is typical of what would have been used on a cast iron column. If water gets trapped between the column and the coating, cast iron corrosion can form bulging tubercles. A strong magnet is an easy way to see if cast iron is a possibility.

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RE: Precast Concrete Column "Deformity"

OldBldgGuy

(Structural)

27 Jan 17 00:52

I have to wonder if you aren't right, SlideRuleEra. In my previous post I asked if the OP was sure it was concrete, but it didn't occur to me that it looks exactly like cast iron (how many bad drainage pipes have I seen in basements & crawlspaces?). My concrete guy said it doesn't look like concrete to him. I think a bit of destructive investigation is in order.

RE: Precast Concrete Column "Deformity"

StructuresDesign

(Structural)

(OP)

28 Jan 17 19:33

I think OldBldGuy may be on to something. It may be that swelling of the rusting reinforcement caused the concrete to spall off, and they then tried to patch it with a grout that subsequently reacted with water and bulged out.

However, when I have a chance to get on site again, I will use a magnet to see if the cast iron with cementitious coating hypothesis "holds water" - pun intended.

RE: Precast Concrete Column "Deformity"

bridgebuster

(Civil)

29 Jan 17 20:31

The "tumor" - shiny, yellow area looks like typical concrete effloresence. I agree with SRE

RE: Precast Concrete Column "Deformity"

StructuresDesign

(Structural)

(OP)

17 Feb 17 15:26

I have been able to dig up the undated architectural drawings, and the columns are precast concrete with a single 3/4" square reinforcing rod at the center of each trefoil section. From what I can gather, square reinforcement was commonly used in the 1920's-1940's.

RE: Precast Concrete Column "Deformity"

Lomarandil

(Structural)

17 Feb 17 15:40

Yes, absolutely -- at least the 20s and 30s, and some mixed use into the 40s.

RE: Precast Concrete Column "Deformity"

OldBldgGuy

(Structural)

18 Feb 17 00:30

If they are early 20th century concrete the repair should be fairly straightforward. Chip off everything bad & clean the surface (including the steel) well, then use a pre-packaged repair mortar matched to the properties of the original concrete. I know, that sounds really dumb & "pass the buck", but manufacturers are in the business of doing this; get a rep there & they'll be only too happy to help. I don't know where you are, but presumably in the States. I'm in Ontario & there are a couple of guys I know who want to be spec'd on every job so they are more than helpful when I need a test or some minor analysis; I'm sure you can find them too. There are pre-packaged repair mortars for everything from cheese to granite, so the one you want is out there.

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