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All Journal Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Pondasi
Sumirin Sumirin
Universitas Islam Sultan Agung
Civil Engineering, Building, Construction & Architecture Earth & Planetary Sciences Engineering Environmental Science Physics Social Sciences Transportation

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EVALUATION OF SIDEWALK BASED ON THE INDONESIAN GUIDELINE FOR TECHNICAL PLANNING OF PEDESTRIAN FACILITIES Supriyana Supriyana Supriyana; Rachmat Mudiyono; Sumirin Sumirin
Pondasi Vol 27, No 1 (2022): JUNI
Publisher : UNISSULA Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30659/pondasi.v27i1.23161

Abstract

Sidewalks are pedestrian paths generally parallel to road and higher than the pavement surface to ensure the safety of pedestrians. Sidewalk is important for pedestrians; thus, it has to meet the standards of technical requirement. This study aimed to evaluate condition of sidewalk in Kudus City, Indonesia to find out whether the existing sidewalks had complied with the technical requirement as stipulated in the Indonesian guideline for technical planning of pedestrian facilities. This was a descriptive quantitative study involving sidewalks as the sample. Data were collected through survey and analyzed quantitatively. Despite having several issues around design of the construction, the existing sidewalk in Kudus City, Indonesia had been in accordance with the provision as prescribed in the Indonesian guideline for technical planning of pedestrian facilities. Finding of the study suggested that sidewalks need for further improvement for the convenience of pedestrians, especially signposts, sidewalk accessories, direction and other relevant properties.Keywords: Descriptive qualitative study, Indonesian standard of public facilities development, pedestrians, sidewalks
ANALISA APLIKASI BETON RINGAN PADA SALURAN U-DITCH Muhammad Agsa Zulfikar; Sumirin Sumirin; Rinda Karlinasari
Pondasi Vol 28, No 1 (2023): Juni 2023
Publisher : UNISSULA Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30659/pondasi.v28i1.29774

Abstract

Bahan beton di Indonesia, bahkan di seluruh dunia selalu mengalami perkembangan pada tahun ke tahun. U-Ditch beton bertulang adalah suatu bentuk inovasi dari beton pra-cetak yang diperuntukan sebagai saluran, drainase maupun saluran irigasi. Beton ringan yang hanya digunakan untuk beton non-struktural sekarang mulai berkembang dan banyak dilakukan penelitian untuk beton mutu tinggi dengan berat yang ringan sehingga mengurangin berat stuktur itu sendiri. Berdasarkan permasalahan diatas, maka perlu dikembangkan suatu produk U-ditch pra-cetak dengan kualitas mutu yang tinggi namun memiliki berat yang ringan sehingga mudah untuk diangkat.Dengan mengunaka metode perhitungan campuran beton ringan SNI 03-3449-2002 tentang “Tata Cara Rencana Pembuatan Campuran Beton Ringan Dengan Agregat Ringan”. Hasil dari perhitungan tersebut di dapatkan berat isi beton sebesar 1753,89 kg/m3 lebih ringan 20,35% dari pada beton normal. Pengujian kuat tekan beton ringan sebesar 20,879 MPa atau 251,55 Kg/cm2. Untuk mengetahui u-ditch dapatmengunkan bahan beton ringgan, maka dilakukan pemodelan menggunakan SAP2000 v.14 untuk melihat gaya-gaya pada dinding dan plat lantai u-ditch tersebut. Momen maksimal yang terjadi sebesar 0,9404 kN.m/m dan penulangan didapatkan tulangan lentur D10-150. Pembuatan beton pra-cetak u-ditch dengan ukuran 40 X 40 X 100 X 6, dengan tulangan lentur D10-150 seperti pada produksi yang biasa dilakukan oleh PT. Agung Beton. Menghasilkan berat u-ditch 138 kg sehinggan dapat di angkat oleh 2 orang. Pengujian permeabilitas terjadi penurunan sebesar 3,65% lebih rendah dari SNI yang syarat maksimum 6,5%.
STUDI METODE PERKUATAN LERENG MENGGUNAKAN GEOMAT, SHOTCRETE, DAN SOIL NAILING (Studi Kasus: Lereng Spillway Bendungan Sadarwana Paket II Subang) Sahal Priyono Putra; Abdul Rochim; Sumirin Sumirin
Wahana Teknik Sipil: Jurnal Pengembangan Teknik Sipil Vol 28, No 1 (2023): Wahana Teknik Sipil
Publisher : Politeknik Negeri Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32497/wahanats.v28i1.4562

Abstract

The landslide of the upper slope in the excavation work of the spillway SadawarnaDam Package II Subang occurred after rain, precisely at the STA location from0+500 to 0+520. The purpose of the study was to compare soil reinforcement on theprevious spillway slope using geomat and shotcrete with soil reinforcement usingsoil nailing. Based on soil data the spillway slope consists of two types of slopes, theupper slope consists of CL (BS:03) while the lower consists of ML (BS:04). Theshear strength parameters C and Phi of both slope soils are quite high. Using PlaxisV.21, Slope/W and Seep/W, with C and Phi the slopes were found to be stable.However, in reality there was a landslide on the upper slope. Therefore, backanalysis was performed by lowering the strength parameters of the top soil adjacentto the slope until the landslide was realized. The reinforcement used on the twoslopes was different, the upper slope used geomat while the lower slope usedshotcrete, then the geomat was changed to soil nailing. Two seasonal models wereapplied to all reinforcements. The results showed that the factor of safety valuesfrom the back analysis modeling in the wet season using geomat and shotcrete wereless than 1 (Unstable). However, reinforcement using soil nailing has a SafetyFactor higher than 1.5. Based on these results, soil nailing can be a solution tominimize landslides on the spillway slope.
Co-Authors Abdul Rochim Muhammad Agsa Zulfikar Rachmat Mudiyono Rinda Karlinasari Sahal Priyono Putra Supriyana Supriyana Supriyana