PRATAMA, ADITYA BAYU (2024) ANALISIS WASTE BESI BETON MENGGUNAKAN METODE BAR BENDING SCHEDULE UNTUK PENINGKATAN EFISIENSI PENGGUNAAN MATERIAL (Studi Kasus : Pembangunan Gedung IT dan Training Center PT. Bank Capital Indonesia Tbk.). S1 thesis, Universitas Mercu Buana Jakarta.
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Abstract
ABSTRACT In construction projects, it involves various aspects such as resources in the form of people, materials, tools, methods, costs and time limits on activities. Material is the main component in erecting a building and affects the quality produced. Various problems that arise in construction projects can result in material waste, resulting in material waste and over costs. This study aims to calculate the need and waste of concrete iron in the work of reinforced concrete structures using the Bar Bending Schedule Method with the help of Microsoft Excel Software. Bar Bending Schedule is a method used to calculate the need for rebar in reinforced concrete structure work to increase the efficiency of reinforcing iron. The calculation using the Bar Bending Schedule Method is obtained based on shopdrawing and calculated based on the standards that have been determined in SNI. Based on the results of the research before the efficiency was carried out, the value of the volume of iron requirements in the column structure work of the 2nd and 3rd floors was 37,756, 752 (kg), the volume of iron waste was 2,176, 489 (kg), and the waste level was 0.057645 or 5.7645%. After the efficiency was carried out, the volume value of iron requirements in the column structure work on the 2nd and 3rd floors was 37,014, 408 (kg), and the volume of waste was 1,470,769 (kg). and waste level of 0.039737 or 3.9737%. Thus, there was an increase in iron waste efficiency by 1.7908%. This shows that the calculation of iron requirements using the Bar Bending Schedule Method can streamline the need for reinforcing iron and the iron waste produced ABSTRAK Dalam proyek konstruksi melibatkan berbagai macam aspek seperti resource (sumber daya) berupa manusia, bahan material, alat-alat, metode, biaya dan waktu batasan kegiatan. Material merupakan komponen utama dalam mendirikan suatu bangunan dan berpengaruh terhadap kualitas yang dihasilkan. Berbagai permasalahan yang timbul pada proyek konstruksi dapat mengakibatkan terjadinya pemborosan material, sehingga menyebabkan waste material dan over cost. Penelitian ini bertujuan untuk menghitung kebutuhan dan waste besi beton pada pekerjaan struktur beton bertulang menggunakan Metode Bar Bending Schedule dengan bantuan Software Microsoft Excel. Bar Bending Schedule merupakan metode yang digunakan untuk menghitung kebutuhan besi tulangan pada pekerjaan struktur beton bertulang untuk peningkatan efisiensi besi tulangan. Perhitungan menggunakan Metode Bar Bending Schedule diperoleh berdasarkan shopdrawing dan dihitung berdasarkan standar yang sudah ditentukan pada SNI. Berdasarkan hasil penelitian sebelum dilakukan efisiensi diperoleh nilai volume kebutuhan besi pada pekerjaan struktur kolom lantai 2 dan 3 sebesar 37.756, 752 (kg), volume waste besi sebesar 2,176, 489 (kg), dan waste level sebesar 0,057645 atau 5,7645%. Setelah dilakukan efisiensi diperoleh nilai volume kebutuhan besi pada pekerjaan struktur kolom lantai 2 dan 3 sebesar 37.014, 408 (kg), volume waste sebesar 1.470,769 (kg). dan waste level sebesar 0,039737 atau 3,9737%. Dengan demikian, terjadi peningkatan efisiensi waste besi sebesar 1,7908%. Hal ini menunjukan bahwa perhitungan kebutuhan besi menggunakan Metode Bar Bending Schedule dapat mengefisiensi kebutuhan besi tulangan dan waste besi yang dihasilkan
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