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All Journal AGREGAT Ge-STRAM: Jurnal Perencanaan dan Rekayasa Sipil
Safrin Zuraidah
Program Studi Sastra Jepang, Fakultas Sastra, Universitas Dr Soetomo, Indonesia
Civil Engineering, Building, Construction & Architecture Engineering Transportation

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Journal : Ge-STRAM: Jurnal Perencanaan dan Rekayasa Sipil

 1 
Pengaruh Variasi Komposisi Campuran Mortar Terhadap Kuat Tekan Zuraidah, Safrin; Hastono, Budi
Ge-STRAM: Jurnal Perencanaan dan Rekayasa Sipil Vol 1, No 1: March 2018
Publisher : Department of Civil Engineering, Dr. Soetomo University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (221.696 KB) | DOI: 10.25139/jprs.v1i1.801

Abstract

Di Indonesia khususnya penggunaan mortar sudah sangat populer. Dimana dalam membangun sebuah konstruksi beton, mortar selalu digunakan sebagai bagian dari sebuah konstruksi. Tetapi proses pembuatan campuran mortar terkadang masyarakat kurang benar dalam membuat campuran jika ditinjau dari segi ekonomis dan kualitasnya. Berdasarkan uraian tersebut, maka penulis tertarik untuk mengadakan penelitian pengaruh variasi komposisi campuran mortar terhadap kuat tekan, dengan dua sampel jenis semen. Mortar menggunakan mortar dari Semen Gresik dan dari Semen Holcim tanpa bahan tambahan lain. penelitian menunjukan bahwa semakin bertambahnya komposisi pasir  maka kuat tekan mortar semakin menurun. Dimana kuat tekan mortar pada umur 28 hari untuk variasi komposisi campuran dengan menggunakan Semen Gresik  1:4 sebesar 9,5 Mpa; 1:5 sebesar 11,68 Mpa; 1:6 sebesar 7,86 Mpa dan 1:7 sebesar 5,31.sedangkan nilai kuat tekan untuk mortar yang menggunakan Semen Holcim berturut sebesar 13,38 Mpa; 12,95 Mpa; 7,65 Mpa dan 3,19 Mpa. Hasil resapan air pada mortar dengan menambahkan jumlah pasir akan mengakibatkan semakin besar nilai penurunan kuat tekan masing –masing variasi mortar.Sehingga campuran plesteran dinding atau spesi untuk merekatkan keramik lantai dan dinding bangunan sederhana mortar yang direkomendasikan adalah komposisi campuran dengan perbandingan semen:pasir 1:5 untuk Semen Gresik dan 1:4 dan 1:5 untuk Semen Holcim.
Perkuatan Beton Ringan Fiber Dengan Mengunakan Anyaman Bambu Zuraidah, Safrin; Hastono, Budi; Juasman, Rikardus Exceliano
Ge-STRAM: Jurnal Perencanaan dan Rekayasa Sipil Vol. 4 No. 2: September 2021
Publisher : Universitas Dr. Soetomo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25139/jprs.v4i2.4195

Abstract

Along with the rapid development of construction and infrastructure, so the need for concrete materials increases. In the field of engineering the development of concrete materials, from time to time, we always carry out innovations and research for construction materials. The price of steel reinforcement is increasingly expensive so it is very difficult for the middle to lower class to reach. The use of bamboo as a construction material has not proven its scientific quality and there is a lack of public understanding of the mechanical properties of bamboo. In order to provide an understanding and prove the quality of bamboo, this research was conducted by utilizing bamboo as reinforcement in lightweight fiber concrete. This research also uses strapping band type additives and the use of styrofoam as a substitute for coarse aggregate, the use of strapping band waste that is ± 70 mm long with a composition of 0%, 5%, 10%, and 15% of the weight of cement, styrofoam of 20% of the volume. test object. The method used is an experimental method that is carried out in a concrete laboratory.From the results of this study, the volume weight of concrete without woven bamboo was 16.67 kg / m³, decreased by (8.67%), and with woven bamboo was 15.22 kg / m³, compressive strength was 11.23 Mpa, decreased by (24.40%), and with bamboo plaited by 8.49 Mpa, split tensile strength of 1.65 Mpa, decreased by (3.03%), and with bamboo plaited by 1.6 Mpa, on 28 aged concrete days with a strapping band fiber content of 5%.It is recommended to use strapping band fibers of 5% of the weight of cement to obtain the optimum compressive strength and split tensile strength values, while the use of bamboo mat is not recommended for lightweight concrete.
Co-Authors Alvy Mulyaning Tyas Bambang Sujatmiko Hastono, Budi Hastono, Budi Hastono, K.Budi Jajuk Suprijati Juasman, Rikardus Exceliano Listyaningsih Listyaningsih Nelson Xavier Nur Sayidah Wisnu Abiarto Yasir Arofat