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Risna, Nevy
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Civil Engineering, Building, Construction & Architecture Engineering Transportation

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ANALISA SENSITIVITAS DURASI HUJAN PADA PERHITUNGAN DEBIT BANJIR DAS TENGGANG DAN SRINGIN Pujiastuti, Ratih; Risna, Nevy
Jurnal Teknik Indonesia Vol 3, No 1 (2022): JEI (Jurnal Engineering Indonesia)
Publisher : Universitas Darul Ulum Islamic Centre Sudirman GUPPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61689/jti.v3i1.363

Abstract

Design flood is one of the important aspects in the design of water structures. Calculation of the design flood is very dependent on the existing rain data in the watershed area. The amount of flood discharge is not only influenced by the value of rainfall but also depends on the duration and distribution of rainfall per unit of time.This study was conducted to determine duration of rainfall that produces the maximum flood discharge for Tenggang and Sringin River. Calculation of flood discharge for Tenggang and Sringin River was carried out using a rainfall distribution pattern (hyetograph) for rainfall durations of 2 hours, 3 hours, 4 hours and 5 hours with the distribution of rainfall distribution referring to hourly rain data at Maritime Station. Results of analysis show that different distributions are produce different flood discharge values. For Tenggang and Sringin rivers, the maximum flood discharge value is obtained at a rain duration of 2 hours.Keywords: flood discharge, rainfall duration, hyetograph
KOMPARASI BEBAN KONSTRUKSI BANGUNAN KONVENSIONAL (SEDERHANA) DAN BANGUNAN NON KONVENSIONAL, STUDI KASUS BANGUNAN SATU LANTAI Abdullah, Abdullah; Risna, Nevy
Jurnal Teknik Indonesia Vol 3, No 1 (2022): JEI (Jurnal Engineering Indonesia)
Publisher : Universitas Darul Ulum Islamic Centre Sudirman GUPPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61689/jti.v3i1.359

Abstract

Many people use new building materials but are guided by old materials, which are actually a lot different. The purpose of this study is to calculate the ratio between dead loads on buildings with conventional (simple) structures and dead loads on buildings with non-conventional structures. This knowledge is important as a basis for calculating building structures. The object of this research is the building model as the basis for calculating the volume of materials. For this model, a simple building design is made with two different structural designs. The first is with a conventional structural design, namely a structure that is commonly used in society, while the second design uses a non-conventional structure, namely a structure that is often used in modern buildings, using the latest materials and construction. Calculation of construction loads using the unit weight of materials obtained from building materials brochures, or also standards that are already available from the literature, and if it is difficult to find standards or brochures, direct measurements are carried out, namely by weighing the materials to be measured. From the calculation results, the total construction weight in simple buildings is 124.299 Kg, while in non-conventional buildings it is 74,392 Kg. The conclusion is that the weight of simple building construction is 1.67 times heavier than the weight of non-conventional building construction.Keywords: comparison, construction, building
Co-Authors Abdullah Abdullah Ratih Pujiastuti