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Analisis dan Pengendalian Risiko dengan Metode Hazard Identification, Risk Assesmnet, dan Risk Control pada Proyek Pembangunan Living Plaza Medan
Pub Date : 2022-05-11 DOI: 10.30811/portal.v14i1.2333
Rasdinanta Tarigan, Josua Hutagalung
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引用次数: 0
Estimasi Biaya Pengembangan Jaringan Irigasi Tersier Poktan Madukismo Madukismo灌溉网络开发成本估计
Pub Date : 2022-05-11 DOI: 10.30811/portal.v14i1.2677
Devi Zettyara, Mona Shinta Safitri
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引用次数: 0
Stabilisasi Tanah Gambut Menggunakan Pofa Sisa Pembakaran Cangkang Sawit Ditinjau dari Nilai CBR 泥炭地的稳定使用棕榈油壳燃烧残留物的Pofa是CBR的价值
Pub Date : 2022-05-11 DOI: 10.30811/portal.v14i1.2904
Del Zamre Ikhlas, Dila Oktarise Dwina, Ade Nurdin, Oki Alfernando
penelitian ini membahas pemamfaatan abu limbah pembakaran cangkang sawit (POFA). Variasi penambahan POFA yaitu 0%, 30%, 35%, 40%, 45%, terhadap berat tanah kering dengan waktu pemeraman 0 hari, 7 hari.  Tujuan penelitian ini untuk mengetahui daya dukung tanah dengan penambahan material berupa POFA di tinjau dari nilai CBR. Hasil yang diperoleh dari penelitian ini yaitu tanah gambut asli sebagai tanah dengan kandungan organik yang tinggi termasuk kedalam golongan A-8 menurut sistem AASHTO dan disimbolkan dengan peat berdasarkan sistem USCS. Sampel tanah pada lokasi tangkit baru termasuk tanah yang memiliki daya dukung yang jelek karena memiliki nilai CBR 2,43%. Pada tanah campuran POFA diperoleh nilai CBR yang meningkat pada umur pemeraman 0 dan 7 hari sebesar 2,83%, 3,55% CBR tertinggi didapat pada variasi campuran 45% POFA terhadap tanah kering dengan masa pemeraman 7 hari yaitu sebesar 3,55%.
这项研究讨论了棕榈油外壳燃烧废灰的问题。POFA的变体为0%,30%,35%,40%,45%,相对于陆地的重量,需要0天,7天的保守时间。本研究的目的是通过在CBR值中添加POFA的材料来了解土地的支持。这项研究的结果是,最初的泥炭地作为有机含量高的土壤,根据AASHTO系统被包括在A-8类土壤中,并根据USCS系统标记为peat。新桩的土壤样本包括劣质支撑土,因为它的价值是CBR 2,43%。在POFA混合土壤中,获得的CBR值在摄入年龄为2.83%和7天的时候增加,在干旱土壤中45%的含量达到最高,而保证干燥时间为7天,为355%。
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引用次数: 0
Studi Perbandingan Kapasitas Portal Beton Dinding Pengisi Bata Ringan Pengujian Laboratorium dan SAP 2000 terhadap Gaya Lateral 比较低端混凝土墙射频充电器、实验室测试和2000 SAP的横向力
Pub Date : 2022-05-11 DOI: 10.30811/portal.v14i1.2874
A. Zarkasi, Hariyadi Hariyadi, Adryan Fitrayudha
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引用次数: 0
Pengaruh Penyempitan Penampang Krueng Pase terhadap Kedalaman Air Normal dan Kritis 壳段缩小对正常和临界深度的影响
Pub Date : 2022-05-11 DOI: 10.30811/portal.v14i1.2885
Kurniati Kurniati, I. Irham, Fauzi A. Gani, Fazlullah Fazlullah
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引用次数: 0
Analisis Potensi Likuifaksi pada Kawasan Medan Belawan
Pub Date : 2022-05-11 DOI: 10.30811/portal.v14i1.2875
Henri C. Tarigan, Rasdinanta Tarigan
Abstrak — Tujuan dari penelitian ini adalah untuk mengetahui potensi likuifaksi yang terjadi pada titik pengujian SPT di Kawasan Medan Belawan. Likuifaksi adalah suatu peristiwa berubahnya sifat tanah dari keadaan padat menjadi keadaan cair, yang disebabkan oleh beban siklik pada waktu terjadi gempa sehingga tekanan air pori meningkat, mendekati atau melampaui tegangan vertical. Metode yang digunakan dalam penelitian ini adalah metode simplified procedure yang diusulkan oleh Seed dan Idris (1971). Dengan metode tersebut dihitung nilai factor keamanan (FS) dengan membandingkan nilai Cyclic Resistensi Ratio (CRR) yang merupakan kekuatan tanah terhadap terjadinya likuifaksi dengan nilai Cyclic Stress Ratio (CSR) yang merupakan tegangan geser yang ditimbulkan olehngempa bumi. Dari hasil perhitungan yang dilakukan berdasarkan tujuh titik pengeboran SPT, dalam keadaan tanah asli sebelum dilakukan perbaikan tanah dapat disimpulkan bahwa Kawasan Medan Belawan cenderung mengalami likuifaksi. Hal ini dikarenakan dari tujuh titik pengeboran yang diuji. hanya
抽象——这项研究的目的是确定在崎岖地形等测试点发生的派系清算的潜力。地域清晰度是指将土壤的性质从固体转化为液体状态的事件,这是由地震时的循环负荷引起的,导致孔隙压力增加,接近或超过垂直电压。本研究使用的方法是种子和Idris(1971)提出的复杂程序。通过比较震级地震产生的周期性应力值(CSR)来计算安全因子值(FS)。根据根据7个钻孔点进行的计算,在原始土壤在进行土壤修复之前的情况下,可以得出结论,占领区更有可能被派系清查。这是经过测试的七个钻孔点。只是
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引用次数: 0
Analisis Kinerja Ruas Jalan Hasan Saleh akibat Hambatan Samping (Studi Kasus Neusu Jaya, Kecamatan Baiturrahman, Kota Banda Aceh) 哈桑·萨利赫道路侧边工作分析(Neusu Jaya案例研究,Baiturrahman street,班达亚齐市)
Pub Date : 2022-05-11 DOI: 10.30811/portal.v14i1.2880
Armia Armia, Dedek Ariansyah, Rafika Muhnita Yusputri
— One of the congestions prone locations in Banda Aceh Ciy is on road Hasan Shaleh, Baiturrahman district, which causes road capacity and performance to decrease. The purpose of this study was to analyze traffic performance on road Hasan Shaleh. To analyze the performance of this road, he 1997 Indonesian road capacity manual (MKJI) method was used. Geometric observations of the road obtained clarifications of the road in the form of (2/2 UD) with a cross sectional width of 14 m and a width of 3.50 m each and the size of the road shoulder was 2 m which is used by several street vendors to sell, the peak traffic volume is obtained from three days of observations on the jalan Hasan Shaleh sections, namely on Sunday 14 November 2021 at 17:00 – 18:00 WIB at 1,452,45 pcu/housr and Thursday 18 November 2021 at 08:00 – 09:00 WIB at 1,662,8 pcu/housr and on Monday 22 November 2021 it occurs at 07:00 – 08:00 WIB at 2,006,8 pcu/housr so that the so that the vehicle speed can decrease and the degree of saturations from peak housr for three days of observations is 0,79. So it can be concluded that the level of service on road Hasan Shaleh can be classified in class D according to the requirements of MKJI, namely unstable starting current, free flow speed >40 and DS = 0,93
-班达亚齐市的一个容易发生交通堵塞的地点是拜图拉赫曼区的Hasan Shaleh公路,这导致道路容量和性能下降。本研究的目的是分析Hasan Shaleh道路的交通性能。采用1997年印尼道路通行能力手册(MKJI)方法对该道路进行性能分析。对道路的几何观察得到了(2/2 UD)形式的道路,横截面宽度为14米,每条宽度为3.50米,路肩的大小为2米,几个街头小贩使用它来销售,高峰交通量是通过对jalan Hasan Shaleh路段的三天观察得出的。即在2021年11月14日星期日17:00 - 18:00,时值为1452,45 pcu/小时;2021年11月18日星期四08:00 - 09:00,时值为1,662,8 pcu/小时;2021年11月22日星期一,时值为07:00 - 08:00,时值为2,006,8 pcu/小时,因此,车辆速度可以降低,三天观测的高峰时段饱和度为0.79。由此得出,根据MKJI的要求,Hasan Shaleh公路的服务水平可归为D类,即起动电流不稳定,自由流速度>40,DS = 0,93
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引用次数: 0
EVALUASI DAN PERENCANAAN PILE CAP PADA FLY OVER JAMIN GINTING KOTA MEDAN 评价和计划小帽的飞行担保为棉兰市
Pub Date : 2019-12-30 DOI: 10.30811/portal.v11i2.1524
Tondi Amirsyah Putera, Husin M. Gultom, Ferry Susanto
Abstra k — Pile cap merupakan salah satu elemen penting dari suatu struktur. Hal ini dikarenakan pile cap memiliki peranan penting dalam pendistribusian beban struktur ke tiang bor untuk kemudian diteruskan ke dalam tanah. Dalam perencanaan pile cap, terdapat berbagai metode desain, salah satunya adalah metode strut and tie. Tujuan dari studi ini adalah untuk menganalisa dan mengevaluasi perencanaan pile cap di titik P10 pada proyek Fly Over Jamin Ginting dengan menggunakan metode strut and tie. Perhitungan metode strut and tie dilakukan berdasarkan peraturan ACI Building Code 318-2002, yang meliputi desain model strut and tie, besar gaya yang terjadi, serta penulangan pile cap. Untuk memperoleh hasil yang signifikan, maka perhitungan metode strut and tie dilakukan dua cara yaitu secara manual dan dengan menggunakan program komputer yaitu CAST. Dari hasil analisa dan perhitungan yang dilakukan, terdapat perbedaan hasil dimana perencanaan metode strut and tie yang dilakukan menggunakan program CAST memberikan luas tulangan dan gaya-gaya yang terjadi pada struktur sedikit lebih besar dibandingkan dengan metode secara manual. Untuk metode yang dilakukan secara manual, besar gaya yang terjadi pada masing-masing strut F 1 = 7384,9 kN ; F 2 = 6445,7 kN ; F 3 = 4926,9 kN dan tulangan yang digunakan pada tie F 1 = 66 D 32 ; F 2 = 50 D 32 ; F 3 = 26 D 32, dengan luas total tulangan sebesar 114145,28 mm 2 . Sedangkan metode dengan menggunakan CAST, besar gaya F 1 = 8930 kN ; F 2 = 6742,8 kN ; F 3 = 5082,5 kN dan tulangan yang digunakan pada tie F 1 = 70 D 32 ; F 2 = 54 D 32 ; F 3 = 34 D 32, dengan luas total tulangan sebesar 129402 mm 2 . Kata kunci : pile cap, program, ACI 318-02, strut and tie . Abstract — Pile cap is one of important element of the structure. Therefore the pile cap has important figure in distribute structure load to bore pile which is forwarded into ground then. In pile cap planning, there are various of design methode, which the one of is strut and tie methode. The purpose of this study is to analyxe and evaluate the planning of pile cap in P10 at Fly Over Jamin Ginting project by using strut and tie methode. The calculation of strut and tie methode based on ACI Building Code 318-2002 rule, which involve strut and tie design, value of force occur, and pile cap reinforcement. To obtain the significant result, then the calculation of strut and tie methode is done by two ways, by manually and using computer program CAST. From the result of analysis and calculation that have been done, obtained difference value which is the strut and tie methode by using CAST gave extensive reinforcement and forces occur bit bigger than by manually. For methode by manually, value of forces occur in each struts F 1 = 7384,9 kN ; F 2 = 6445,7 kN ; F 3 = 4926,9 kN and reinforcement ties F 1 = 66 D 32 ; F 2 = 50 D 32 ; F 3 = 26 D 32, within extension reinforcement is 114145,28 mm 2 . Meanwhile the methode by using CAST, value of forces occur in each struts F
Abstra k——Pile cap是结构的重要组成部分。这是因为小帽在将结构的重量分散到钻杆上,然后再传给地面方面发挥了重要作用。在pile cap的设计中,有多种设计方法,包括支柱和领带。本研究的目的是通过使用支柱和领带的方法来分析和评估P10点的小帽计划。支柱和领带的方法计算根据建筑法典318-2002井里的规则进行的,包括支撑模型设计和领带、大事的风格发生penulangan pile cap。为了获得显著的效果,那么计算方法支撑和手动两种方式就是领带做用计算机程序就是演员。根据所进行的分析和计算,在使用管道程序进行的支柱与tie方法的规划过程中存在差异,该方法提供了比手工方法稍大一点的灵活性和强度。手动完成的方法,大力发生在每个strut F 1 = 7384.9 kN;F 2 = 6445.7 kN;F 3 = 4926.9 kN和kN在tif 1 = 66 D 32中使用的添加剂;F 2 = 50 D 32;f3 = 26 D 32,总容积为114145.28毫米2。而使用石膏的方法,大风格F 1 = 8930 kN;F 2 = 6742 8 kN;F 3 = 5082.5 kN和在tie F 1上使用的增厚= 70 D 32;F 2 = 54 D 32;f3 = 334 D 32,净面积为129402毫米2。口令:小帽,程序,ACI 318-02,支柱和领带。抽象——Pile cap是结构的重要元素之一。因此,在均匀分布的区域中有一个重要的人物。在pile cap计划中,有各种设计方法,其中之一是支柱和固定方法。这项研究的目的是分析和评估P10中pile cap的计划。基于ACI大楼代码318-2002的支柱和固定方法计算,这条规则包括支柱和设计,那么,支柱和固定方法的计算是由两种方式完成的,通过计算机程序的部署。从分析和计算的结果来看,不同的是,通过使用手机,支撑和固定的方法延长了不断更新和武力,而不是通过人工手段。顺便说一下,每条生命的价值F 1 = 7384.9 kN;F 2 = 6445.7 kN;F 3 = 4926.9 kN及恢复作业F 1 = 66 D 32;F 2 = 50 D 32;F 3 = 26 D 32,延长归还期限为114145.28毫米2。我的意思是,当使用石膏的方法时,每个支柱F 1 = 8930 kN的价值在于F 2 = 6742 8 kN;F 3 = 5082.5 kN和恢复部署F 1 = 70 D 32;F 2 = 54 D 32;f3 = 34,d - 32,延长归还期限为129402毫米2。小帽,程序,ACI 318-02,支柱和领带
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引用次数: 0
EVALUASI KINERJA DINDING PENGISI BATA MERAH DENGAN OPENINGS PADA STRUKTUR BETON BERTULANG AKIBAT BEBAN GEMPA KUAT 对红砖墙壁的性能评估,该墙壁的钢筋混凝土结构因强烈地震而开放
Pub Date : 2019-12-30 DOI: 10.30811/portal.v11i2.1523
Rizki Efrida, Citra Utami
Abstra k — Dinding pengisi bata merah sering digunakan sebagai partisi pemisah di bagian dalam maupun penutup luar bangunan, khususnya untuk bangunan rendah dan bertingkat sedang di Indonesia. Akibat keperluan arsitektural seringkali pada dinding dibuat bukaan (openings) seperti jendela, pintu, dll. Studi ini bertujuan untuk mengetahui seberapa besar pengaruh besarnya luasan openings terhadap kekakuan dan kekuatan struktur. Ada 3 objek model yang akan diteliti, yaitu struktur Fully Infilled Wall Frame (Model 1), struktur Fully Infilled Wall Frame dengan openings 16% (Model 2), dan struktur Fully Infilled Wall Frame dengan openings 40% (Model 3). Pada semua model akan dilakukan analisis statik linier dan analisis statik non-linier. Parameter-parameter yang ditinjau antara lain: gaya geser dasar, kekakuan, daktilitas, dan performance point. Hasil studi menunjukkan bahwa keberadaan openings pada dinding pengisi yang terbuat dari dinding bata sangat mempengaruhi kekuatan dinding pengisi. Openings pada dinding pengisi bata ternyata dapat menurunkan kapasitas dari struktur itu sendiri. Dinding dengan openings 40% ternyata tidak begitu mempengaruhi kinerja dari struktur utama . Kata kunci :   dinding pengisi bata merah, openings, analisis pushover, kekakuan, daktilitas, performance  point . Abstract — Brick wall is often used as partition separator on the inside as well as the outer cover of the building, especially for low and medium storey buildings in Indonesia. Due to architectural needs often on walls made openings such as windows, doors, etc. This study aims to find out how large the influence of openings area to the stiffness and strength of the structure. There are 3 object models to be researched, namely the Fully Infilled Wall Frame structure (Model 1), the Fully Infilled Wall Frame structure with openings 16% (Model 2), and the Fully Infilled Wall Frame structure with openings 40% (Model 3). On all models will be conducted linear static analysis and non-linear static analysis. The parameters are reviewed, among others: base shear, stiffness, ductility, and performance point. The study showed that the existence of openings on filler walls made of brick walls greatly affects the power of the filler walls. Openings on brick wall is apparently able to lower the capacity of the structure itself. The walls with openings 40% were not so affecting the performance of the main structures . Keywords: brick wall, openings, pushover analysis, stiffness, ductility, performance  point
Abstra k——红砖填充物墙经常用于建筑内部和外部的分区,特别是在印度尼西亚的低层建筑。这是因为墙上经常需要窗户、门等开口。本研究的目的是确定孔洞对结构硬度和强度的影响有多大。有三个对象模型将被研究,一个是完整的墙框架结构(模型1),一个完整的墙框架结构与16%的开放(模型2),和完整的墙框架结构与40%的开放(模型3),所有模型将进行线性静态分析和非线性静态分析。所涵盖的参数包括:基本剪力、硬度、延迟和性能点。研究表明,砖墙上的开口存在对填充墙的强度有很大的影响。在填砖墙上打开被证明可以降低结构本身的容量。40%的开放式墙对主要结构的性能影响不大。关键词:红砖填充物、开裂、酒精分析、刚性、动作、表演点。抽象——砖墙的内部和外部建筑一样广泛,主要用于印尼的低和中等结构结构。建筑需要十张这样的窗户,门,等等。这项研究发现,对这个区域的暴露程度有多大的影响。有三个物体models to be researched, namely《长城完全Infilled vesalius框架(1)模型框架,《长城完全Infilled vesalius openings 16%(2)模型,和《长城完全Infilled帧和openings vesalius 40%(3)模型。在所有线性models will be conducted静态分析和非线性静态分析。帕拉默特家的人评价他的其余部分:基地剪刀、硬度、决斗和表演点。研究表明,在过滤墙壁上的存在是由砖墙巧妙地影响了过滤墙壁的力量。砖墙上的开放很可能降低其自身结构的电能。墙的开放率是40%,对主要结构的表现不太影响。砖墙,开源,容易分析,刺激,实践,表演点
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引用次数: 1
ASESMEN DAN PERKUATAN JEMBATAN PIPA CIBEET 2 列车2号管道的评估和冲击
Pub Date : 2019-12-30 DOI: 10.30811/portal.v11i2.1520
Sumargo Sumargo, Muhammad Reza, A. A. Haziri, Noval Hasan
Abstra k — Jembatan pipa Cibeet merupakan jembatan rangka baja yang digunakan sebagai dudukan pipa 8 inci untuk distribusi minyak mentah. Diketahui bahwa jembatan 2 mengalami lendutan yang berlebihan sehingga perlu dilakukan asesmen dan perkuatan. Asesmen Jembatan dimaksudkan untuk mendukung infrastruktur transportasi minyak mentah yang sesuai dengan kriteria perencanaan yang berlaku dan perencanaan perkuatan jembatan. Dengan menggunakan metode perkuatan prategang eksternal, didapat dengan tujuan jembatan rangka baja dapat mengurangi lendutan pada jembatan. Pada jembatan Cibeet 2 juga mengalami konstruksi dengan diameter kabel ½ inci dengan, fu = 270 ksi. Jumlah kabel yang terpasang sebanyak 8 buah. Sehingga total kabel pada masing-masing sisi memanjang jembatan: 8 x ½ in = 4.0 in. Gaya prategang sebesar 80 ton yang diaplikasikan secara bersamaan pada kedua sisi memanjang jembatan yang berjarak 2.0 meter. Kata kunci : Gaya Prategang, Infrastruktur, Lendutan, Jembatan Pipa Cibeet. Abstract — The Cibeet pipe bridge is a steel frame bridge that is used as an 8 inch pipe holder for distribution of crude oil. It is known that Bridge 2 has excessive deflection so it needs to be assessed and strengthened. The Bridge Assessment is intended to support the crude oil transportation infrastructure in accordance with applicable planning criteria and bridge reinforcement planning. By using an external prestressed reinforcement method, it is obtained with the aim of a steel frame bridge to reduce deflection on the bridge. The Cibeet 2 bridge also underwent construction with a ½ inch diameter cable with, fu = 270 ksi. The number of cables installed as many as 8 pieces. So that the total cable on each side extends the bridge: 8 x ½ in = 4.0 in. A prestressing force of 80 tons was applied simultaneously on both sides of the bridge extending a distance of 2.0 meters . Keywords: Pre-stroke Style, Infrastructure, Deflection, Cibeet Pipe Bridge.
Abstra k——Cibeet桥墩是一个钢底盘桥墩,用于原油的分销。我们发现2号桥有超负荷的倾斜,因此需要强制和冲击。大桥断言是为了支持原油运输基础设施,该基础设施符合现有的规划标准和桥梁规划。通过采用外部前应力方法,钢底盘桥的目标获得,可以降低桥的延时率。建筑在Cibeet 2大桥也经历了与电缆½英寸直径,ksi fu = 270。有8根电线连在一起。所以总电缆细长桥的两边:x 8½in = 4。0中。80吨的前场力同时在2米长的桥两侧施加。关键词:加紧力,基础设施,Lendutan, Cibeet输油管。抽象——Cibeet pipe桥是一架钢框架桥,用于crude石油的供应。大家都知道,桥2有过度的偏转,所以需要依靠和加强。这座桥的资产是为了支持具有applicable planning和桥牌再生计划的有机运输基础设施。通过采用一种新的替代方法,它与钢框架桥的磁化连接,使其在桥上减少偏转。《Cibeet 2桥也underwent建筑with a凯布尔½英寸直径with, ksi fu = 270。电话号码上有很多8张图片。那《有线总在每侧extends桥:x 8½in = 4。0进来。80吨的先力同时出现在桥的两侧,距离2.0米。Keywords:脑后风格,基础设施,变形,Cibeet管道桥。
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引用次数: 0
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