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Journal : Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil

KAJIAN PERBANDINGAN PENGARUH PENGGUNAAN DINDING PRECAST DENGAN DINDING KONVENSIONAL PADA PROYEK CORDOVA SEMARANG Rohman, Muhamad Arif; Wibowo, M Agung; Nuroji, Nuroji
Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Vol 26, No 1 (2021): Wahana Teknik Sipil
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/wahanats.v26i1.2643

Abstract

Innovation in the world of construction is something that is indispensable, one of theinnovations in the construction sector is precast. The use of precast is expected to beable to reduce project costs to accelerate the duration of work. But in fact, theproducts of innovation in the world of construction have not been fully able to havea positive impact, both in terms of cost, quality, time, waste, on project development.Products of innovation are usually not necessarily in accordance with the wishesand needs of the customer. The purpose of this research is to analyze thecomparison of products in terms of time, cost, quality, waste, and in terms of K3Lbetween projects using precast walls and projects using the lightweight brick wallmethod. This research was conducted by (1) conducting a project simulation if theproject did not use precast, (2) comparing a real project with a simulation project interms of cost, quality, time, waste, and K3L. The use of precast in the Cordovaproject when compared to a simulation project that uses lightweight bricks results in(1) in terms of time saving 36,84 % on the simulation results project (2) in terms ofcosts can be reduced by Rp. 101.488.543,99 (3) in terms of quality precast materialhas The quality is better than the lightweight bricks (4) in terms of waste, in thesimulation result project it creates more waste (5) in terms of K3L, the use ofprecast is more environmentally friendly than the simulation results project.
ANALISIS KINERJA MUTU PEKERJAAN STUKTUR BETON BERTULANG PADA PROYEK PEMBANGUNAN HOTEL, MALL, DAN APARTMENT TENTREM KOTA SEMARANG Putra, Ryan Dwiyana; Nuroji, Nuroji; Suliantoro, Hery
Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Vol 26, No 1 (2021): Wahana Teknik Sipil
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/wahanats.v26i1.2644

Abstract

In Indonesia, infrastructure development is carried out on a large scale. With alarge infrastructure development, it must be balanced with good quality structuralwork performance. On the basis of this, it is necessary to analyze the qualityperformance of reinforced concrete structures in the construction projects of Hotels,Mall and Apartment Tentrem. The research objective was to analyze the qualityperformance from the aspects of strength, density, and dimensions of reinforcedconcrete structures work; analyzing the factors that cause construction defects inreinforced concrete structures work; and find the right strategy in dealing withconstruction defects in reinforced concrete structures work. The research methodused is the method of field inspection, interview and literature method. From thisresearch, the quality performance that does not match the requirements is thedensity aspect. Construction defects in the density aspect are caused bythe formwork that is hollow and there are gaps between the formwork joints, theaddition of water to the fresh concrete mixture, the way to use the vibrator machinedoes not meet the requirements. The strategy for dealing with construction defects isto tighten the supervision of contractors by controlling and evaluating