Fire resistance performance of concrete-PVC panels with polyvinyl chloride (PVC) stay in place (SIP) formwork

Murillo, A; Tutikian, Bernardo Fonseca; Ortolan, Vinicius de Kayser; Oliveira, Marcos L.S.; Sampaio, Carlos Hoffmann; P, Leandro Gómez; Silva, Luis

doi:10.1016/j.jmrt.2019.07.018

Cited by 22 publications

(3 citation statements)

References 15 publications

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“…10%) for epoxy composites containing 10 wt.% of PVC powder was observed in our previous work [28]. PVC has self-extinguishing properties and does not self-ignite [35]. Howeever, the introduction of only high content of powdered PVC into the epoxy resin has a positive effect on the fire resistance of composites, such as a reduction in heat release rate.…”

Section: Fire Behaviormentioning

confidence: 60%

The Effect of Poly(Vinyl Chloride) Powder Addition on the Thermomechanical Properties of Epoxy Composites Reinforced with Basalt Fiber

2020

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The aim of the article was to determine the effect of the poly(vinyl chloride) additive (PVC) on the thermomechanical and fire properties of epoxy composites reinforced with basalt fabric. Ten-layered composites with 2.5, 5 and 10 wt.% of PVC powder were fabricated using hand lay-up. The following features were evaluated for composites: structure (by scanning electron microscopy, SEM), thermomechanical properties (by dynamical thermomechanical analysis, DMTA), mechanical properties (in bending, tensile and interlaminar shear strength tests), hardness (using the Barcol method), thermal stability (by thermogravimetry, TGA) and fire behavior (using a cone calorimeter). It was found that the introduction of micron PVC powder into the epoxy matrix improved the thermomechanical properties of composites, such as storage module, and mechanical properties, such as flexural strength and modulus, as well as hardness.

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Section: Fire Behaviormentioning

confidence: 60%

The Effect of Poly(Vinyl Chloride) Powder Addition on the Thermomechanical Properties of Epoxy Composites Reinforced with Basalt Fiber

2020

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“…Furthermore, some plastics are sensitive-temperature materials incompatible with traditional curing methods that expose the object to temperatures (>150 °C) higher than their melting point ( T m ) and their glass transition temperature ( T g ) for a long time. In this work, we tested the manufacturing process by depositing the silver ink on substrates made of plastic materials commonly used to produce commercial or industrial objects: Polyethylene terephthalate (PET, T g = 70 °C, T m = 250 °C), polyethylene ( T g = −78 °C, T m = 120 °C), and PVC ( T g = 70 °C, T m = 100 °C); in particular, PVC is a very appealing plastics for its low-cost and its excellent properties [41]. We also selected the thermoplastic polymer polylactic acid (PLA, T g = 70 °C, T m = 150 °C), since it is largely used in addictive manufacturing for its excellent biocompatibility and sustainability [42].…”

Section: Methodsmentioning

confidence: 99%

Printed Strain Gauge on 3D and Low-Melting Point Plastic Surface by Aerosol Jet Printing and Photonic Curing

Borghetti

Serpelloni

Sardini

2019

Sensors

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Printing sensors and electronics directly on the objects is very attractive for producing smart devices, but it is still a challenge. Indeed, in some applications, the substrate that supports the printed electronics could be non-planar or the thermal curing of the functional inks could damage temperature-sensitive substrates such as plastics, fabric or paper. In this paper, we propose a new method for manufacturing silver-based strain sensors with arbitrary and custom geometries directly on plastic objects with curvilinear surfaces: (1) the silver lines are deposited by aerosol jet printing, which can print on non-planar or 3D surfaces; (2) photonic sintering quickly cures the deposited layer, avoiding the overheating of the substrate. To validate the manufacturing process, we printed strain gauges with conventional geometry on polyvinyl chloride (PVC) conduits. The entire manufacturing process, included sensor wiring and optional encapsulation, is performed at room temperature, compatible with the plastic surface. At the end of the process, the measured thickness of the printed sensor was 8.72 μm on average, the volume resistivity was evaluated 40 μΩ∙cm, and the thermal coefficient resistance was measured 0.150 %/°C. The average resistance was (71 ± 7) Ω and the gauge factor was found to be 2.42 on average.

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“…The former used metallic seating, whereas the other is with PVC splits as the metal has higher thermal conductivity than plastics. Michel et al (2019) stated that the thermal conductivity of PVC is only 0.45%-0.6% of a steel tube. Orientation of the structure (east-west) reflects the variation of the temperature among different tiers.…”

Section: Air Temperaturementioning

confidence: 99%

Fabrication and performance evaluation of vertical farming structures

Nair

2021

JANS

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This study was undertaken to fabricate Vertical Farming Structures (VFS) suitable for homestead and evaluate the performance of fabricated vertical farming structures. The experiment was conducted in Kelappaji College of Agricultural Engineering and Technology (KCAET), Tavanur, in Malappuram district, Kerala. Two vertical farming structures DVFS 1 (Developed vertical farming structure 1) and DVFS 2 (Developed vertical farming structure 2) were designed and fabricated. The drip irrigation system was adopted to irrigate the plants to reduce the wastage of water. Amaranthus seedlings of variety ‘Kannara local’ was taken for the trial. Climatic parameters and biometric observations were analyzed to compare and evaluate the performances of vertical farming structures. Correlation analysis was done using IBM SPSS statistics 25 software. The analysis of trials revealed that DVFS 1 showed better performance in every aspect compared to DVFS 2. The biometric observations like plant height and number of leaves were more in T1 at the right side and followed by T3 at the right side of DVFS 1. The plant characteristics are highly correlated with the light intensity. This was the reason for more growth was observed on the right side of DVFS 1. The maximum yield was obtained from the DVFS 1 (58%) than DVFS 2 (42%). The study recommended that usage of the platform like structure with triangular cross-section was more advantageous than the structure with tiers one over the other with Poly Vinyl Chloride (PVC) splits.

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Fire resistance performance of concrete-PVC panels with polyvinyl chloride (PVC) stay in place (SIP) formwork

Cited by 22 publications

References 15 publications

The Effect of Poly(Vinyl Chloride) Powder Addition on the Thermomechanical Properties of Epoxy Composites Reinforced with Basalt Fiber

The Effect of Poly(Vinyl Chloride) Powder Addition on the Thermomechanical Properties of Epoxy Composites Reinforced with Basalt Fiber

Printed Strain Gauge on 3D and Low-Melting Point Plastic Surface by Aerosol Jet Printing and Photonic Curing

Fabrication and performance evaluation of vertical farming structures

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