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All Journal Prosiding Semnastek Forum Mekanika TERANG : Jurnal Pengabdian Pada Masyarakat Menerangi Negeri Construction and Material Journal Jurnal Sipil Krisna

Desi Putri

Institut Teknologi PLN

Author-ID : 4260173

Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Education Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mathematics Mechanical Engineering Transportation

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TINJAUAN KEKUATAN RANTING BAMBU ORI SEBAGAI KONEKTOR PADA SAMBUNGAN STRUKTUR KUDA-KUDA BAMBU Desi Putri; Astuti Masdar
FORUM MEKANIKA Vol 5 No 2 (2016): JURNAL FORUM MEKANIKA
Publisher : Sekolah Tinggi Teknik - PLN

Bamboo as construction materials can be used in house building, including columns, beams, partitions, horses, bridges as well as a buffer. The strength of a bamboo construction is influenced by the strength of the connections. At the assembly the construction of bamboo as construction of the horses, the connection with the bolt connector and plate make the horses construction of bamboo less economical because the cost of a bamboo construction will be expensive on the connection.The research is conducted experimentally in two phases of testing. In the early phase of research it is conducted preliminary testing which includes physical and mechanical properties testing of bamboo. The second phase at connection do testing compressive strength with a variety of angles namely 00, 450, and 900. The test results show the value of bamboo moisture content and density of each amount of 12.90% and 0.58 g/cm3. The Connection strength of obtained values theoretically are the lowest strength at 900 angle direction of the strength of 769 kg and the highest on the strength direction with angle of 00 amounting to 1732 kg while the value of the connection strength on the direction angle of 450 amounted to 889 kg. The greater the angle of direction of the force then minimize the connection strength.

STUDI PENGGUNAAN LIMBAH SERBUK KACA SEBAGAI BAHAN SUBSTITUSI SEMEN PADA PEMBUATAN BATA BETON PEJAL Indah Handayasari; Gita Puspa Artiani; Desi Putri
FORUM MEKANIKA Vol 5 No 1 (2016): JURNAL FORUM MEKANIKA
Publisher : Sekolah Tinggi Teknik - PLN

Waste glass is often the trash unused and potentially damaging to the environment because it is difficultto decompose. Though glass waste has the potential to be used, one of them as a substitute for cement inconcrete solid brick. The purpose of this study was to determine how much influence the addition of glasspowder waste of compressive strength of concrete solid brick. Manufacture of solid concrete brick made fromwaste fine aggregate, cement PC type I, and glass powder from waste glass bottles. Test object of research ismade with a composition ratio of cement, fine aggregate and water with glass powder 4 substitution treatmentwere 0%, 10%, 20%, and 30% by weight of cement. Compressive strength testing is done on day 7,14, 21 and28. From the test results obtained optimum compressive strength value contained in glass powder ratiovariation of 10% of the cement with the compressive strength obtained at 73.33 Kg / cm2 and included intothe Tertiary quality II. This shows the glass powder can be used as an additive in the manufacture of solidconcrete brick so that it can be used as an alternative to environmentally friendly construction materials.

PERILAKU KOLOM KOMPOSIT TABUNG BAJA BERISI BETON NORMAL AKIBAT BEBAN AKSIAL SENTRIS DAN EKSENTRIS Desi Putri
FORUM MEKANIKA Vol 5 No 1 (2016): JURNAL FORUM MEKANIKA
Publisher : Sekolah Tinggi Teknik - PLN

The columns are an important part of the structure.Column continued load from of plate and beams untilto foundation.The column is a structural component that is dominant receiving axial loads. Composite columnin this review is a steel column which is made from tube or steel pipe and filled with structural concrete. Thisresearch is carried out to understand the properties of the behavior of composite columns of normal concretecasted in cylinder steel tube; to understand the effect of variations of the slenderness ratio of the loaddeflectionand strength correlations as well as understanding failure behavior of normal concreted steel tubecomposite columns with a variation of the eccentric loads. The preparation of the test specimen is based onthe variation of the ratio of tube thickness (D/t), the slenderness ratio (L/D), and the Eccentric ratio (e/D).Test specimen consists of 15 columns of concrete core, 15 steel pipe columns, 21 composite columns ofnormal centric concreted steel pipe and 18 composite columns of normal eccentric concreted steel pipe whichthen loaded centric axial and eccentric.The results show that the capacity of the composite columns is overallhigher about 7%-26% rather than the algebraic sum of the capacity of its components (steel tube and coreconcrete). The pattern collapse composite columns of normal concreted steel pipe due to centric and eccentricloads showed shear failure and axial and is local. But for the eccentric column is only one side of the crosssectionand only the tube steel buckle comes together with the concrete core suffered spall at the samelocation.

Co-Authors Divad Fredonanta Lalus Endah Lestari Gita Puspa Artiani Indah Handayasari Iriansyah BM Sangadji kustanrika, irma wirantina Masdar, Astuti Mekar Ageng Kinasti Muhammad Sofyan Ranti Hidayawanti Reksa Dimas Safitroh RR Mekar Ageng Kinasti Rr. Mekar Ageng Kinasti

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