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All Journal Jurnal Komunitas: Jurnal Pengabidian Kepada Masyarakat Construction and Material Journal APPLIED RESEARCH ON CIVIL ENGINEERING AND ENVIRONMENT (ARCEE) Journal of Applied Civil Engineering and Infrastructure Technology (JACEIT) JURNAL POLI-TEKNOLOGI Prosiding Seminar Nasional Hasil-hasil Penelitian dan Pengabdian Pada Masyarakat
Nunung Martina
Civil Department
Aerospace Engineering Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Public Health Social Sciences Transportation Other

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Journal : Construction and Material Journal

 1 
KARAKTERISTIK MORTAR MENGGUNAKAN BIOPOZZOLAN SEBAGAI PENGGANTI SEBAGIAN SEMEN Martina, Nunung; Cathelina, Seira Diwama; Tunnur, Zahara
Construction and Material Journal Vol 1, No 3 (2019): CONSTRUCTION AND MATERIAL JOURNAL VOL. 1 NO. 3 NOVEMBER 2019
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

AbstractThis research uses Bio-pozzolan which consist of ASP and lime as a substitute for cement which is expected to be used in the manufacture of mortar. Mortar mixtures were tested with a total of 70 specimens, including compressive strength of 45 specimens according to SNI 03 – 6825 – 2002, flexural strength of 15 specimens according to ASTM C 580 – 02, and changes in length of 10 specimens according to ASTM C 157 – 93. Mortar specimens with a comparison ratio of 1 PC : 3 Aggregate, the adhesive material is partially replaced with a Bio-pozzolan adhesive consisting of ASP and lime. The amount of cement substitution with Bio-pozzolan is 17,5% of the weight of cement. In this research the variation of bio-pozzolan as follows; variation 1 (0% Bio-pozzolan), variation 2 (50% lime: 50% RHA), variation 3 (60% lime: 40% RHA), variation 4 (70% lime: 30% RHA), variation 5 (80% lime: 20% RHA). The results showed the composition of Bio-pozzolan variation 2 produces compressive strength with a value of 20,889 MPA, flexural strength is 6,3735 MPA, and a value of change in length with the lowest shrinkage expansion. This Bio-pozzolan Mortar variation 2 is included into the mortar type M.Keywords : Rice Husk Ash, Quicklime, Mortar, compressive strength, flexural strength, length change.AbstrakPenelitian ini menggunakan Biopozzolan yang terdiri dari abu sekam padi (ASP) dan kapur sebagai pengganti sebagian semen yang diharapkan dapat dimanfaatkan dalam pembuatan mortar. Campuran mortar yang diuji dengan total benda uji sebanyak 70 buah, meliputi kuat tekan 45 benda uji sesuai standar SNI 03 – 6825 – 2002, kuat lentur 15 benda uji sesuai standar ASTM C 580 – 02, dan perubahan panjang sebanyak 10 benda uji sesuai standar ASTM C 157 – 93. Benda uji berupa mortar dengan perbandingan komposisi 1 Pc ; 3 Psr, bahan perekat isi diganti sebagian dengan perekat Biopozzolan yang terdiri dari ASP dan kapur. Jumlah substitusi semen dengan biopozzolan sebesar 17,5% dari berat semen. Pada pebelitian ini Biopozzolan divariasikan sebagai berikut; variasi 1 (0% Biopozzolan) , variasi 2 (50% Kapur : 50% ASP), variasi 3 (60% Kapur : 40% ASP), variasi 4 (70% Kapur : 30% ASP), variasi 5 (80% Kapur : 20% ASP). Hasil penelitian didapatkan komposisi Biopozzolan variasi 2 menghasilkan kuat tekan dengan nilai 20,899 Mpa dan kuat lentur dengan nilai 6,3735 MPa serta nilai perubahan panjang dengan muai susut paling rendah. Mortar Biopozzolan variasi 2 ini termasuk tipe M.Kata kunci : Abu Sekam Padi, Kapur, Mortar, kuat tekan, kuat lentur, perubahan panjang.
KARAKTERISTIK MORTAR MENGGUNAKAN BIOPOZZOLAN SEBAGAI PENGGANTI SEBAGIAN SEMEN Nunung Martina; Seira Diwama Cathelina; Zahara Tunnur
Construction and Material Journal Vol. 1 No. 3 (2019): Construction and Material Journal Vol. 1 No. 3 November 2019
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/cmj.v1i3.2422

Abstract

AbstractThis research uses Bio-pozzolan which consist of ASP and lime as a substitute for cement which is expected to be used in the manufacture of mortar. Mortar mixtures were tested with a total of 70 specimens, including compressive strength of 45 specimens according to SNI 03 – 6825 – 2002, flexural strength of 15 specimens according to ASTM C 580 – 02, and changes in length of 10 specimens according to ASTM C 157 – 93. Mortar specimens with a comparison ratio of 1 PC : 3 Aggregate, the adhesive material is partially replaced with a Bio-pozzolan adhesive consisting of ASP and lime. The amount of cement substitution with Bio-pozzolan is 17,5% of the weight of cement. In this research the variation of bio-pozzolan as follows; variation 1 (0% Bio-pozzolan), variation 2 (50% lime: 50% RHA), variation 3 (60% lime: 40% RHA), variation 4 (70% lime: 30% RHA), variation 5 (80% lime: 20% RHA). The results showed the composition of Bio-pozzolan variation 2 produces compressive strength with a value of 20,889 MPA, flexural strength is 6,3735 MPA, and a value of change in length with the lowest shrinkage expansion. This Bio-pozzolan Mortar variation 2 is included into the mortar type M.Keywords : Rice Husk Ash, Quicklime, Mortar, compressive strength, flexural strength, length change.AbstrakPenelitian ini menggunakan Biopozzolan yang terdiri dari abu sekam padi (ASP) dan kapur sebagai pengganti sebagian semen yang diharapkan dapat dimanfaatkan dalam pembuatan mortar. Campuran mortar yang diuji dengan total benda uji sebanyak 70 buah, meliputi kuat tekan 45 benda uji sesuai standar SNI 03 – 6825 – 2002, kuat lentur 15 benda uji sesuai standar ASTM C 580 – 02, dan perubahan panjang sebanyak 10 benda uji sesuai standar ASTM C 157 – 93. Benda uji berupa mortar dengan perbandingan komposisi 1 Pc ; 3 Psr, bahan perekat isi diganti sebagian dengan perekat Biopozzolan yang terdiri dari ASP dan kapur. Jumlah substitusi semen dengan biopozzolan sebesar 17,5% dari berat semen. Pada pebelitian ini Biopozzolan divariasikan sebagai berikut; variasi 1 (0% Biopozzolan) , variasi 2 (50% Kapur : 50% ASP), variasi 3 (60% Kapur : 40% ASP), variasi 4 (70% Kapur : 30% ASP), variasi 5 (80% Kapur : 20% ASP). Hasil penelitian didapatkan komposisi Biopozzolan variasi 2 menghasilkan kuat tekan dengan nilai 20,899 Mpa dan kuat lentur dengan nilai 6,3735 MPa serta nilai perubahan panjang dengan muai susut paling rendah. Mortar Biopozzolan variasi 2 ini termasuk tipe M.Kata kunci : Abu Sekam Padi, Kapur, Mortar, kuat tekan, kuat lentur, perubahan panjang.
PERBANDINGAN METODE KONVENSIONAL DENGAN BIM TERHADAP EFISIENSI BIAYA, MUTU, WAKTU Rizal Maulana Rizqy; Nunung Martina; Hari Purwanto
Construction and Material Journal Vol. 3 No. 1 (2021): Construction and Material Journal Vol. 3 No. 1 Maret 2021
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/cmj.v3i1.3506

Abstract

The construction field in Indonesia has been developing briskly. It can be proved by the discovery of the new method in the construction field, the Building Information Modelling (BIM) method. This BIM method is claimed to help finish the work more effective and less cost compare using the previous methods. It is because each application should be made manually and separately. Unlike the conventional method, the BIM method has the applications integrated into one, so it can accelerate the work progress and minimalize human resources. This research discusses the contrast of the construction planning process, especially when making the work method, and shop drawing, which reviewed from cost, quality, and time aspect. This research also examines the advantages and disadvantages of using the BIM method because it is categorized as a new method. The questionnaire and the interview method are used to collect the data. This research subject is the drafters and engineers already experienced in the construction field by applying the BIM method. The case of this study is Toll Road Jakarta – Cikampek II Selatan (Paket 3), with comparing the cost and time efficiency between conventional and BIM methods. The results show that the work will be done 43.82% faster using the BIM method than the conventional one. However, the required cost will be more expensive by using the BIM method because it will be allocated to invest in the software license. Keywords: Cost, Quality, and Time; Building Information Modelling (BIM); Conventional Methods.  
ANALISIS QUANTITY TAKEOFF PADA PEKERJAAN STRUKTUR BAWAH JEMBATAN Roja Nafiyah; Nunung Martina
Construction and Material Journal Vol. 4 No. 2 (2022): Construction and Material Journal Vol. 4 No. 2 Juli 2022
Publisher : Politeknik Negeri Jakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32722/cmj.v4i2.4755

Abstract

Technological developments in the construction sector are expanding, also supported by government regulations. BIM (Building Information Modeling) is one of the technological developments in the construction world. It is expected to help workers minimize errors that will harm the project. Projects that humans still interpret are prone to errors due to human error. This study aims to model three dimensions that function to realize the plan, examine differences in the results of BIM-based quantity takeoff using Autodesk Revit software with conventional methods in one of the bridge structures in Cinere - Jagorawi Toll Project Section 3A, and interview BIM experts with an aim to determine the factors that can affect BIM-based QTO output from the user's perspective. The two QTO outputs produce a difference of ± 0.32% in the volume of the concrete structure and ± 2.28% in the reinforcement volume, where the BIM-based QTO results are lower than the conventional method. The factors that affect the output of BIM-based QTO from the user's point of view, namely (a) the long duration of BIM user’s experience affects the accuracy and details in the modeling, which will affect the QTO output, and(b) the longer the duration of experience and practice time the higher the level of detail and accuracy. The results of the QTO are especially important in determining the overall project cost. An inaccuracy in conducting the QTO will have fatal consequences that can harm the project. Keywords: Autodesk Revit, BIM (Building Information Modeling), Conventional Method, Quantity Takeoff.
Co-Authors Cathelina, Seira Diwama Dewi Winarni Susyanti Hari Purwanto Iis Mariam Nining Latianingsih Rayhan Anugrah Yuliano Rinawati Jakfar Rizal Maulana Rizqy Roja Nafiyah Safri Safri # Seira Diwama Cathelina Travis, Karina Tunnur, Zahara Zahara Tunnur