The Unit Price Implication of Reinforcement Usage in Tie Beam Reinforced Concrete Construction

Mubarak, Mubarak; Tripoli, Tripoli; Nurisra, Nurisra

doi:10.13170/aijst.7.1.7458

Cited by 4 publications

(4 citation statements)

References 4 publications

(3 reference statements)

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“…Specifically for reinforcement, the output of the area should be converted in the arrangement of the number and diameter of the rebar to be installed in the RC components, as shown in Tables S3 and S4 of the Supplementary Material. e quantity of formwork increases following the change in dimensions of concrete beams and columns. e increase in the quantity of reinforcement is in line with the result of previous studies [41,49].…”

Section: E Percentage Of Rc Costsupporting

confidence: 91%

Cost Estimation of Structural Components of a Building by considering the Seismic Load on Different Regions

Mubarak

Abdullah

Azmeri

et al. 2019

Advances in Civil Engineering

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Seismic loads should be considered in the cost estimation process as a consequence of changes in structural dimensions. Seismic loads received by buildings vary from one region to another, which are used as a basis for dimensioning structural components. This paper aims to investigate the potential cost changes of the reinforced concrete (RC) beam and column elements as an implication of variations in seismic load received by a building constructed in different seismic areas. This study was applied to a prototype of the two-story building. The structure analysis performed with dynamic analysis by varying seismic design categories based on eight seismic zones in the observed area. The utilization of a building prototype was applied to three indices of seismic importance factor to represent the building occupancy category. The results of the study explaining the increase in the total cost of the two RC elements are 0.68%, 1.70%, and 1.54%, respectively, for the seismic importance factor indices of 1.00, 1.25, and 1.50. The variations of the costs due to the factor of seismic load and building occupancy categories indicate that both factors need to be considered in the cost estimation process of buildings.

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Section: E Percentage Of Rc Costsupporting

confidence: 91%

Cost Estimation of Structural Components of a Building by considering the Seismic Load on Different Regions

Mubarak

Abdullah

Azmeri

et al. 2019

Advances in Civil Engineering

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“…Pertimbangan ini diperlukan mengingat komponen struktur merupakan komponen yang memberi kontribusi terbesar terhadap total biaya sebuah bangunan gedung [5] [6]. Pada bangunan gedung yang menggunakan struktur beton bertulang, kontribusi terhadap biaya ditentukan oleh dominannya jumlah dan harga material yang digunakan, seperti semen, agregat, dan baja tulangan [7].…”

Section: Pendahuluanunclassified

Analisis Perubahan Kuantitas Material Kolom Beton Bertulang Pada Model Struktur Bangunan Gedung Sederhana

Mubarak

Abdullah²,

Riza³

et al. 2019

RekayasaSipil

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The loading aspect of a building is one of the factors that varies the dimensions of building components. Differences in building site areas are also contributed to the load received by buildings, especially in terms of earthquake loads. For the Province of Aceh with relatively high levels of earthquake vulnerability, the problems of structure dimensions change that caused by earthquake need to be specified. Changes to dimensions will affect the quantity of works, and furthermore against the building price standard. This research conducted to analyze the change of material quantity caused by earthquake load changes based on indication of acceleration of spectral response. This study was conducted by developing a model of simple building structure design and load change analyzed in 8 earthquake zones as specified in standard SNI 1726:2012. The analysis focused specifically on the structural components of reinforced concrete columns. The information obtained from the analysis explains the effect of earthquake load changes from each of the observed zones on the use of reinforcing steel materials. The same condition is also seen in the ratio of reinforcement usage per cubic meter of concrete. The changes begin to be seen when the building model is positioned on zone 14 with an acceleration of 1.19g spectrum response.

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“…In addition, to overcome environmental pollution and global warming, thermoplastic polymer composites reinforced with natural or renewable fillers such as cellulose nanocrystals, cellulose nanofibrils (CNFs), nanoclays, natural fibers, and so forth have gained lots of attention from industry and academia. [2][3][4][5][6][7][8] Among those renewable nanofillers, CNFs with a diameter of 5-30 nm and an aspect ratio greater than 50, derived from natural cellulosic sources by mechanical disintegration, chemical and enzymatic treatment, have attracted great interest from industry and academia due to their lightweight, nontoxic, recyclability, and biodegradability. Accordingly, PP/CNF composites have been extensively investigated.…”

Section: Introductionmentioning

confidence: 99%

Interface‐engineered polypropylene/cellulose nanofibril composites with enhanced thermal stability, mechanical modulus, and impact strength

Tang

Jeong

2022

Polymer Composites

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To attain interface-engineered polypropylene/cellulose nanofibril (PP/CNF) composites with improved thermal and mechanical performance, PP was grafted with glycidyl methacrylate (GMA) and styrene via direct melt-mixing and GMA/styrene-grafted PP (PGMA) was reinforced with 1-10 wt% CNF content through a mass-producible melt-compounding process. The spectroscopic analyses confirmed the existence of specific hydrogen-bonding interactions between CNF and PGMA in the composites. The melt-rheological measurement revealed the occurrence of chemical reactions between the hydroxy group of CNF and the glycidyl group of PGMA of the composites. Accordingly, the dispersion and interfacial adhesion of CNF in the PGMA matrix was improved. β-form PP crystals were also developed by accelerating the crystallization of PGMA and PGMA/CNF composites, unlike PP with only α-form crystals. The storage modulus of PGMA/CNF composites was enhanced noticeably with increasing CNF content. Moreover, the impact strength of PGMA composite with 1 wt% CNF was found to be 29.2% higher than that of neat PP.

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The Unit Price Implication of Reinforcement Usage in Tie Beam Reinforced Concrete Construction

Cited by 4 publications

References 4 publications

Cost Estimation of Structural Components of a Building by considering the Seismic Load on Different Regions

Cost Estimation of Structural Components of a Building by considering the Seismic Load on Different Regions

Analisis Perubahan Kuantitas Material Kolom Beton Bertulang Pada Model Struktur Bangunan Gedung Sederhana

Interface‐engineered polypropylene/cellulose nanofibril composites with enhanced thermal stability, mechanical modulus, and impact strength

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