Advantages and Disadvantages of Plastic Building ...

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Within the construction sector, the choice of building formwork plays a crucial role in ensuring project quality and managing expenses. Recently, plastic formwork has emerged as an increasingly popular option within the construction ecosystem.
Plastic building formworks present numerous advantages. To begin with, they boast properties such as waterproofing, corrosion resistance, and resilience against acids and alkalis, making them particularly suitable for subterranean and moist environments. Furthermore, these formworks exhibit remarkable strength, impressive toughness, and excellent impact resistance, offering significant elasticity that minimizes deformation and substantially enhances reusability.

Moreover, plastic formwork systems possess an array of specifications that are lightweight, simplifying removal processes while ensuring safe and efficient construction operations. They additionally allow for low labor intensity, which translates into higher efficiency in construction. These formworks can be utilized in conjunction with diverse wooden materials, including plywood sourced from wood or bamboo.

Testing reveals that standard plastic formformworks can endure over 30 usages, significantly reducing project costs. Following their first usage, these formwork panels can be recycled, bolstering the sustainable development of the formwork rental sector. Interestingly, plastic formworks do not require a release agent and can be conveniently cleaned with just water, thereby diminishing maintenance and cleaning expenses. The smooth surface of these plastic molds promotes excellent concrete peeling properties, facilitating easier demolding. This efficiency not only accelerates construction timelines but also shortens overall project duration while enabling superior-quality concrete finishes. In instances of damage, plastic formwork can be recovered and regenerated, thereby minimizing environmental waste pollution.

If you are keen to delve deeper, please explore formwork accessories.

However, despite their merits, plastic building formworks do have certain limitations. Being a relatively new entrant in the concrete forms sector, they still exhibit some shortcomings when compared to their steel and wooden counterparts.
To start, the static bending strength and modulus of ordinary plastic building formworks are inferior compared to other variants. Specifically, domestically produced plastic building formworks often demonstrate lower strength than bamboo (wood) and foreign options such as GMT building formworks. Consequently, the load-bearing capacity of plastic building formwork is somewhat restricted. This limitation mainly arises because many plastic formworks are designed as flat panels, suitable mainly for roof and floor slabs. Thus, controlling the secondary beam spacing can meet construction specifications. For improved strength, BOFU plastic building formwork integrates rib structures within its panel design, significantly boosting the strength of wall formwork.

Next, it is crucial to consider that ordinary plastic building formworks tend to have a higher thermal expansion and contraction coefficient compared to steel and wood. For instance, temperature fluctuations can cause a 3m long plastic form to expand from 3mm to 4mm under high heat conditions. If construction occurs during the cooler evening hours of summer, the formwork may arch during peak noon temperatures. To mitigate this issue, BOFU plastic building formwork utilizes ABS plastic raw materials, effectively reducing the coefficient of thermal expansion and contraction.

Thirdly, the potential for electric welding slag to burn plastic formworks is another concern. As steel rebar is connected, the elevated temperature of welding slag can easily damage the board surface, negatively impacting the quality of concrete at the formed site. Thankfully, the high-performance materials used in BOFU plastic forming options ensure that the surface is resilient to slight burns from spot welding.

In conclusion, if your objective is to utilize plastic building formworks for lowered engineering costs while enhancing quality, the BOFU plastic modular formwork stands out as an excellent selection.

Are you curious to find out more about climbing formwork? Reach out to us today for an expert consultation!