Design & Construction Duties of Precast Detailers

Precast Detailing is one of the most successful and effective construction techniques that save time, avoid errors and reduces manpower. This method is used worldwide in small and complex construction projects because of its remarkable benefits. In precast detailing, frameworks are erected away from the site thus reduces the risk of environmental degradation at the construction site. This process also overcomes the in-site casting problems, where there is less space for the execution of concrete works.

So, where and why designing and detailing is needed in the pre-casting process. Precast components are made in casting yard and transported to the construction site. The workers at the casting yard don't have visual knowledge of the structure and construction site. Therefore, detailed Precast Shop Drawings are made to build a link between the construction site and the casting yard. So, who creates the drawing and what these drawings should contain? Here the role and responsibilities of Precast Detailing Service providers come in light.

Precast Panel Detailing service providers develops the project design concept, establishes structure geometry, selects the appearance and function of a wall, provides details and specifies performance and quality characteristics.

Precast Panel Detailing

They provide complete model and drawing specifications detailing all aesthetic, functional, and structural requirements, including design criteria, plus dimensions. This information should be supplied in such a way that all details unit can be designed without reference to the behaviour of other parts of the structure.

All specifications and construction details are described in these drawings by Precast Engineering Services providers. Precast Detailing Service providers must have in-depth knowledge of casting procedure, transportation of components, tilting up the components, propping and connection of elements. The drawings and model must contain most of the details which are sufficient to understand the buildings and component connections. 

To offer the best precast detailing services to clients, most frim uses TEKLA software for modeling. Here are some benefits of Tekla Precast Concrete Detailing. 

• Customize Tekla structures to meet your needs
• Error-free, up-to-date drawings and fabrication data directly from the model
• Work inside a virtual building
• Work on the same model regardless of team members' location
• Solve issues early and ensure smooth erection phase
• Plan erection sequence and achieve a safe execution

Tekla Structure Precast Concrete Design

The Tekla Structures Precast Concrete Design prepared by the precast detailing services firm must contain the overall geometry and the structure, panel dimensions and cross sections, typical connection locations and concepts. This information will be helpful to precasters and builders can construct the structure.

With more than 10 years of experience, the Silicon Engineering Consultants Limited offers a diverse range of customized services including Tekla Precast Concrete Detailing and Precast Concrete Columns Design to meet your individual needs.

Silicon Engineering Consultants Limited understand the fast pace of the AEC Industry and have the proven ability to deliver our projects to the highest quality and on time.

Precast Concrete Columns Design

Contact Us for more information about our Precast Detailing Services
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You can Call us on:  021 0296 7467

Or Drop your Mail at: info@siliconec.co.nz

For more details visit our Website:  www.siliconec.co.nz/

Rebar: A Better Option Over Steel In Construction Project

Rebar is an acronym for reinforced steel bar and it is one of the fundamental components of construction today. Rebar has a high tensile strength and hence it is used along with concrete for building seismic structures. Even though steel is an option used for building, rebar is widely used today. And why is it so? It is due to the advantages it offers in comparison to steel. Let us look at all those benefits of using rebar in construction:

1. Corrosion resistance:

The buildings that experience heavy rainfall require resistance to corrosion. Rebar offers high corrosion resistance. Hence, it is perfect for use in heavy rainfall areas and irrigation fields. Rebar does not have effects of chlorine on it. This makes rebar a best-suited material for dams or reservoirs where the chlorinated water always remains in contact with it.

2. Extremely durable:

The steel is much more fragile than rebar. The chances of breakage increase for steel members due to external forces or climatic forces during the time of welding. Rebar does not get affected easily like steel members. Moreover, rebar retains its shape when the fire is applied during welding.

3. Longevity:

Rebar is as much as five times stronger than steel when dealing with environmental impacts acting on it. Since the impacts of the environment are less on rebar, it can be used for structures requiring a longer lifetime. 

4. A good alternative for special requirements:

Some critical features in construction require materials that do not need frequent repairs. While constructing such structures, rebar can be used instead of steel so as it does not require repairs in future for a long time. Rebar remains immune to environmental attacks and hence it is a good choice for certain structures.

5. Economic:

Rebar is more economical than steel. It has attributes like high mechanical strength and more resistance to corrosion making its thickness less compared to other materials. Hence, the weight of rebar decreases without compromising on its quality. A lightweight rebar is more convenient to use for transportation. The cost of transportation reduces for lightly weighted rebar compared to heavy steel making rebar a more economical option. 

Get Rebar Detailing Services from us:

Silicon Engineering Consultants Limited is a New Zealand based company offering Rebar Detailing Services. Our prime services in the field include Rebar Shop Drawing Service and Rebar Fabrication Services in Auckland and Wellington. Apart from this, we are also serving Architecture, Engineering and Construction industry with our valuable CAD services. We are a team of passionate Engineers, Detailers, Designers, and individual professionals offering full potential. Our company understands the market trends and statistics completely and still achieves uniqueness through skills and perfection. The quality that we provide is incomparable as we strive to attain client satisfaction through our work. 

Contact US to get Rebar Detailing Services, Rebar Shop Drawing Service, or Rebar fabrication services in Auckland, Wellington or any other parts of New Zealand. If you have any further queries, please feel free to comment or Mail us.    

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3 Methods of Rebar Splicing

Nowadays, Rebar is used extensively for building construction. Rebar is the steel reinforced in concrete. Concrete alone cannot withstand the loads applied to it due to its low tensile strength. Hence, steel is used along with to provide higher strength and stability. 
 

Rebar cannot be used to its full size due to transportation and fabrication limitations. It must be cut to form splices for its proper usage. There are three methods to splice the Rebar. Let’s have a look at these methods in detail:

1. Lap Splicing:

Lap splicing is the most common splicing methods. It is also very economical to use this type of method. However, there are some limitations of using this type of method. Lap splices may cause congestion at the splice location; making it difficult for concrete to pass through. In this case, it becomes impossible to use such splices. Insufficient splice length may also cause difficulty in making use of it.

When to use lap Splicing method?

• Lap splicing method can be used under normal conditions when the members in which rebar is used has little stress to handle or the diameter of rebar is small. 
   
• Lap splicing can be used only for rebar whose size range between 14mm and 25mm.
  
  
• This method should be avoided when the rebar space is small.
  
  

2. Mechanical Splicing:

Mechanical Splicing method uses a mechanical device for coupling two pieces of rebar. Some of the mechanical splicing techniques can be installed fast and easily while others require threaded rebar ends for coupling. This method can be used when it is not feasible to use lap splicing method.

When to use mechanical splicing method?

• Mechanical splicing method can be used when rebar size is over 14mm for beams, 16mm for pillars and 28mm for other members.
  
  
• This method can be adopted when the schedule is tight. This gives the benefit of precasting the components to speed up installation. 
   
• It is used when there are specific requirements for a project. For example an underground continuous wall. 
   
• To use mechanical splicing, all rebar splices must have same cross-sections. More than 50% similarity in cross-sections will also work.
  
  
• When the rebar space is small in a member, mechanical splicing is best to use as it will help save the space. 
  
  
  

3. Welded Splicing:

This type of splicing requires meeting certain rules and criteria. Welded splicing method is adopted if there are special requirements for splicing.

When to use welded splicing method?

• Welded splicing method is used when the rebar having more than 36mm diameter requires lap splicing. The lap splicing for such rebar should be carried out along with welding of splices. 
   
• This method should be avoided if there is the insufficient capacitance of the job sites. 
   
• Welding can also be carried out when the rebar congestion is to be reduced and greater design moment strength is required.
  
  
• For certain types of rebars having bad weldability specifications, this method must be avoided.
  
  
  
  
  
  Services offered by US:
  
  
  SiliconEngineering Consultants Limited is a New Zealand based firm offering services in the field of architectural, structural, mechanical, electrical and plumbing/piping. We are a Rebar Service Provider offering our Rebar Reinforcing and Rebar Detailing services not only in New Zealand but also to different parts of the world. We are gradually spreading our business across the borders without failing out on the set standards for our company.
  
  
  Project Quote Now!! Contact US 
  
  
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Steel Deal In Reinforced Concrete

A widely known fact about concrete: It cannot be used alone as a building material as it has a high compression strength but a low tensile strength. Hence, if concrete alone is used in construction, there is a chance that such structure will collapse if introduced to higher load or force. Thus, a mechanism is required to provide strength to Concrete Structures. This mechanism is widely known as reinforced concrete in the language of Civil Engineering and Construction. 
 

Even though there are multiple options available for reinforcing concrete, the best option is steel. The reason for this is simple: it has several benefits compared to other materials.

Steel versus Aluminum

When it comes down to reinforcing steel, the two of the best-suited materials are aluminum and steel. Even though both have almost same physical characteristics, steel beats aluminum in case of thermal expansion. Material with high thermal expansion is used relatively less in reinforcing concrete as temperature changes affect such materials greatly causing it to expand and crack. Aluminum has higher thermal expansion compared to steel and hence it is used less compared to steel for reinforcement process.

  Other Benefits of using Steel

• Ductility: Steel is highly ductile which means it can be easily deformed to take any shape as and when required. This property of steel is called tensile strength. It reduces the chances of a structure getting collapsed.

• Modulus of elasticity: Steel has same Young’s modulus or modulus of elasticity(2.0 – 2.1 x10^5 N/mm2) so that it can withstand lengthwise tension or compression.

• Thermal Expansion: The coefficient of thermal expansion for both steel and concrete are same. This ensures bond strength during thermal expansion preventing the bond failure.
• Easy Recycling: Steel can be easily recycled making it more eco-friendly and cost-effective material.
• Easy Welding: Steel can be welded easily making it the best material for fabrication (manufacturing) process.
• Availability: Steel is a widely available material at cheaper rates compared to other ductile materials.

Role of Steel Detailing 

 

The process of preparing ‘shop’ drawings for steel members in Reinforced Concrete is called rebar(reinforced bar) detailing. At first, the design engineer develops design drawings indicating the size of material, its orientation and location in 3D space, connection details, material specification, and lot more. These drawings are not informative enough for any contractor or manufacturer to start cutting the material. Thus, shop drawings are produced by a contractor to cut the material to exact size, length, shape, and place the bolt holes at the correct place. 

 

Apart from this, there are detail drawings used to demonstrate regulations for assembly and junctions between the components.Steel Detail Drawings is used for Steel Construction Detailing to manufacture and erect steel members like columns, beams, trusses, handrails, etc. These drawings are critical to any construction project and they must be produced by steel detailers having sound knowledge of steel construction detailing.

 Services offered by us:

Silicon Engineering Consultants Limited is a leading organization in CAD based services with the main base in Auckland. We offer several Structural Engineering Services like Structural CAD Drawings, Beam Calculation, Fabrication Drawing, Design Calculations, Drafting Services, Steel Detail Drawings, Steel Construction Detailing. We also offer As Built Auckland services which is the process of preparing as built drawings for circumstantial changes made during construction. They reflect what has actually been built.

if you have any further query, Please feel free to Contact US

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