Claim Missing Document
Check
Articles

PENGARUH ONLINE GAME TERHADAP PERKEMBANGAN BAHASA ANAK Iswan, Iswan; Kusmawati, Ati
Jurnal TEKNODIK Jurnal Teknodik Vol.19 No. 1 April 2015
Publisher : Pusat Data dan Teknologi Informasi Kementerian Pendidikan Kebudayaan, Riset dan Teknologi

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (57.469 KB) | DOI: 10.32550/teknodik.v19i1.142

Abstract

Abstrak:Penelitian ini bertujuan untuk mengetahui dampak dari online game terhadap perkembangan bahasa anak-anak. Penelitian ini menggunakan metode kuantitatif dan kualitatif dengan pendekatan deskriptif, yaitu yang memusatkan perhatian pada efek (dampak) dari berbagai faktor, memberikan makna (pemaknaan) pada gejala sosial. Berdasarkan hasil pengolahan kuesioner dan hasil wawancara dari 100 responden. Hasil penelitian menunjukkan bahwa: pertama, online game memberikan pengaruh yang signifikan terhadap perkembangan bahasa anak. Hal ini terlihat dari perhitungan uji signifikansi regresi dan diperoleh nilai Fhitung=179,64 sedangkan Ftabel = 4,1. Kedua, terdapat korelasi positif antara variabel X yaitu online game dengan variabel Y yaitu perkembangan bahasa anak, di mana uji signifikansi koefisien korelasi melalui uji t menunjukkan bahwa thitung (13,80) > ttabel (1, 67), sehingga koefisien korelasi berdasarkan hasil perhitungan adalah signifikan dengan dk 99, á = 0,05.Kata kunci: Pengaruh online game, perkembangan bahasa anak.Abstract: The aim of this research is to describe the impact of online game towards children’s language development. This research applied in both qualitative and quantitative methods with descriptive approach focusing on describing the impact of several influencing factors, and giving meaning to social cases. Based on the analysis of questionnaires and interview from 100 respondents, the result of this study shows that: first, online game gives significant effect on children’s language development. It can be seen from regression significance test calculation which obtained 179, 64 for Fcal, and 4,1 for Ftable. Second, both variables (X dan Y) are significantly correlated in which the t-test of correlation coefficient significance is tcal (13,80) > ttabel (1, 67) with df 99, á = 0.05.Keywords: The impact of online game, children’s language development.
Analisis stabilitas lereng dan penanganan longsor di Kabupaten Lahat menggunakan HYRCAN Aurelius Silvanno Krisdiyanto; Aminudin Syah; Iswan Iswan; Lusmeilia Afriani
REKAYASA: Jurnal Ilmiah Fakultas Teknik Universitas Lampung Vol. 29 No. 1 (2025): April 2025
Publisher : Jurusan Teknik Sipil Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/rekrjits.v29i1.126

Abstract

Penelitian ini bertujuan untuk mengetahui penyebab longsor serta melakukan analisis stabilitas lereng pada longsor di salah satu jalan lintas Kabupaten Lahat sebelum dan setelah diberi perkuatan.  Metode penelitian yang dilakukan adalah survei lapangan, pengumpulan data tanah serta topografi, dan melakukan pemodelan lereng sebelum dilakukan analisis stabilitas. Software HYRCAN menjadi alat bantu dalam menghitung nilai stabilitas lereng dengan metode Morgenstern-Price. Berdasarkan hasil penelitian ditemukan bahwa hujan menjadi faktor pemicu utama terjadinya longsor pada area badan jalan tersebut. Selain itu jenis tanah yang didominasi oleh lempung serta kondisi kemiringan lereng yang curam menjadi faktor lainnya. Hasil analisis stabilitas menunjukkan nilai faktor aman pada kondisi eksisting sebesar 1,288 pada kondisi statis dan 1,013 pada kondisi dinamis. Peningkatan nilai faktor aman terjadi setelah diberi perkuatan, dengan nilai angka aman tertinggi dimiliki perkuatan soil nailing + shotcrete dengan nilai 1,665 pada kondisi statis dan 1,264 pada kondisi dinamis.
Uji Kuat Tekan Paving Block Menggunakan Campuran Tanah dan Kapur Dengan Alat Pemadat Modifikasi Larasati, Diah; Iswan, Iswan; Setyanto, Setyanto
Jurnal Rekayasa Sipil dan Desain (JRSDD) Vol. 4 No. 1 (2016): Edisi Maret 2016
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v4i1.342

Abstract

Paving blocks are widely used as a public building construction, especially for paving roads,yards, sidewalks, parking lots, etc. The use of materials such as paving block the main constituentof cement and sand is relatively expensive. So in this study will provide another alternative tousing a mixture of soil and lime.Soil samples tested were from Kota Baru, South Lampung, with variations in the levels of themixture used is 0%, 5%, 10%, 15%, and 20% and the curing time for 14 days, as well as with thetreatment without burning and burning which will then be tested compressive strength and waterabsorption.The results showed that the compressive strength occurs at the most optimal mix of 15% and adecline in a mixture of 20%. The addition of lime percentage ≤15% resulted in the addition ofcompressive strength of paving blocks, while the addition of lime percentage of 20% resulted in adecrease in the compressive strength of the paving blocks. The compressive strength withoutburning still not meet the specifications of SNI 03-0691-1996, while paving blocks with burningthe lime content of 15% is already included in the classification of the quality of D. Waterabsorption test values not meet the specifications of paving blocks SNI 03-0691-1996 whichranges from 3%-10%.Keywords : Paving block, kapur, kuat tekan, daya serap air
Studi Kuat Tekan Paving Block dari Campuran Tanah, Semen, dan Abu Sekam Padi Menggunakan alat Pemadat Modifikasi Sherliana, Sherliana; Iswan, Iswan; Setyanto, Setyanto
Jurnal Rekayasa Sipil dan Desain (JRSDD) Vol. 4 No. 1 (2016): Edisi Maret 2016
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v4i1.358

Abstract

One of means transportation wich already familiar is paving block. Paving blocks made of amixture of portland cement or adhesive material like hydrolysis, water, and aggregates with orwithout other ingredients. However, the use of the material is made into high production rates.Therefore, in this study the process of manufacture of paving blocks will be tested using alternativematerials such as soil mixtures with rice husk ash additive materials derived from residualcombustion rice straw waste combined with portland cement.Soil samples were tested in this study are derived from clay Kota Baru, South Lampung are..Variations in content the mixture used was 0%, 7%, 9%, 11% and 13%, to 14 days curing timeand with burning treatment and without burning paving block samples. Based on the results ofphysical testing original soil, USCS soil samples classified as fine-grained soil and included in theCL group.The results showed that the manufacture of paving blocks using the soil material with additivematerials such as rice husk ash and cement did not fulfill SNI paving block. However, in generalthe addition of the additive materials can increase the physical and mechanical properties of thesoil. It is proved by the increasing value of the optimum moisture content and ductility of pavingblocks. For the compressive strength of paving blocks without and with burning process is bestshown in the addition of a mixture of 9% content.Keywords: Paving blocks, clay soil, compressive strength
Pengaruh Waktu Pemeraman Terhadap Uji Kuat Tekan Paving Block dari Campuran Tanah dengan Semen Menggunakan Alat Pemadatan Modifikasi Septian, Risqon; Iswan, Iswan; Setyanto, Setyanto
Jurnal Rekayasa Sipil dan Desain (JRSDD) Vol. 4 No. 2 (2016): Edisi Juni 2016
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v4i2.363

Abstract

Paving block is a building material composition made of a mixture of Portland cement or other similar hydraulic adhesive material, water, and aggregates or without other additives that do not reduce the quality of the concrete. In the implementation, paving blocks are made of basic materials such as cement, sand, aggregates and water by mixing all the ingredients and printing the mortar of paving block. One of the efforts to create new innovations in appliance manufacture of paving blocks so that paving blocks compactor was created which were expected to improve the quality of the paving block with the basic mixture of cement and soil.Soil samples tested in this research were soils derived from Kota Baru, Lampung Selatan. Content mixture used was 20% and conducted from 7 days, 14 days, 21 days, and until 28 days curing time as well as the pre and post-combustion treatment on the sample of paving blocks. Based on the physical properties of soil testing, USCS classifies the soil samples as fine-grained soils and belongs to CL group.The results of the research showed that the manufacture of paving blocks using the clay materials with additive materials such as cement fulfilled paving block SNI-03-0691-1996. The addition of the additive materials and curing can increase the physical and mechanical properties of the soil. For the compressive strength of paving blocks without and with burning process were best shown in the addition of a mixture of 20% content with curing time to 14 days. Beside the compressive strength, overall the water absorption between 3-9% qualifies paving block SNI-03-0691-1996. Keywords: paving blocks, clay, compressive strength, curing time, water absorption.
Pengaruh Fraksi Lempung Terhadap Nilai Kohesi dan Indeks Plastisitas Rambe, Renold Pangidoan; Afriani, Lusmeilia; Iswan, Iswan
Jurnal Rekayasa Sipil dan Desain (JRSDD) Vol. 4 No. 2 (2016): Edisi Juni 2016
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v4i2.367

Abstract

This study aims to see the influence the fraction of clay in the sand by comparing parameters ofstrong shear soil that is resulted from unsoaked and soaked conditions of Direct Shear Test andAtterberg Limit. An increase in the fraction of clay in the sand can change the physical propertiesof the soil and the mechanical properties. An increase in the fraction of clay can also improve thevalue soil cohesion and ground plasticity index but it reduces the value soil friction. Theparameter change magnitude is analyzed by looking at the results of correlation analysis ofcohesion of the soil plasticity index, and some of the physical parameters of the soil. Thecorrelation between the shear test directly with the plasticity index against the physical propertiesof soil clays that linear regression obtained a very strong correlation (0.8 – 1) and limit land thatis used are sand which is already substituted by clays from 0% – 50%.Direct shear test which results from the condition of unsoaked conducted in the laboratoryobtained that addition levels of clay showed an increase in the value of cohesion but the angleshear declined. Direct shear test results from the condition of soaked (soaking 4 days) obtained adecrease of the value of cohesion (c) down and slide angle (φ) which is also affected by soakingthe soil. The test results show the Atterberg limits that a percentage of the original soil andaddition of clays to 20% has no plasticity index value. This is because the ground is still are off(loose soil). As for the addition of clays from the percentage of 30%, 40%, and 50% of the land isincluded soil cohesive and value each PI is 8.87%, 17.7%, and 12.04%.Keywords: direct shear, cohesion, plasticity index
Pengaruh Variasi Waktu Pemeraman Terhadap Nilai Uji Kuat Tekan Bebas pada Tanah Lempung dan Lanau yang Distabilisasi Menggunakan Kapur pada Kondisi Rendaman A., Putra Andrean; Iswan, Iswan; Jafri, Muhammad
Jurnal Rekayasa Sipil dan Desain (JRSDD) Vol. 4 No. 2 (2016): Edisi Juni 2016
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v4i2.370

Abstract

Clay And Silt Soil Is A Kind Of Soil That Has A Bad Soil Bearing Capacity. One Of SoilImprovements That We Can Do Is Use A Mixture Of Hydrated Lime. In Addition To MoreEconomical Reason, It Also Has Good Ability In The Soil Stabilization With Fine Grain Soil.The Clay Soil Sample Is A Type Of High Plasticity Clay That Taken From Rawa Sragi- Jabung-East Lampung District And Then The Silt Soil Sample Is Taken From Yosumulyo-East Metro-Metro City. Based On Previous Experiments, That Soil Is Included In Soft Clay And HighPlasticity Category Which Has High Plasticity Index Value >11%. Based On Unified SoilClasification (Uscs), Clay Belong To Cl Category, While Silt Soil Belong To Cl-Ml Category. InModified Proctor Compact Test Result, Adding Hydrated lime Prove To Reduce Maximum DensityValue (Γd), And For Optimum Water Content (Ω opt ) Having An Increaces But Not Significant. InUnconfined Compressive Strength Test, Clay And Silt Soil With Variation Of Curing Time AndSoaked Condition, Soil With Hydrated Lime Mixtured With Modified Proctor Compacted, ForClay Soil, It Get Qu Optimum Value Increased When It Has 15% Hydrated Lime Content, 28 DaysOf Curing Time, It Get 0,3636 Kg/Cm2. For Silt Soil Qu Optimum Value Inscreased When It Has15% Hydrated Lime Content And 28 Days Of Curing Time, It Get 0,3411 Kg/Cm2. Hydrated LimeAdding Could Inscred Unconfined Compressive Strength But With Longer Curing Time Duration(28 Days) Because The Greater The Qu Soil Value, The Greater The Soil Bearing Capacity.Keywords: Hydrated Lime, Clay, Silt, Unconfined Compressive Strength, Soil Bearing Capacity
Pengaruh Variasi Waktu Pemeraman Terhadap Daya Dukung Tanah Lempung dan Lanau yang Distabilisasi Menggunakan Semen pada Kondisi Tanpa Rendaman (Unsoaked) Pandiangan, Bravo; Iswan, Iswan; Jafri, Muhammad
Jurnal Rekayasa Sipil dan Desain (JRSDD) Vol. 4 No. 2 (2016): Edisi Juni 2016
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v4i2.371

Abstract

Soil is the material that serves as a support for the construction base. Each region has different soil characteristics in other areas, there has a carrying capacity of good to bad or poor. Clay and silt soil has a bearing capacity and low soil properties. To overcome this, the need to improve the soil natures with the stabilization method. Stabilization is to improve the physical and mechanical properties of the soil so that it meets certain technical requirements. One way is with a cement stabilization. In this study, the cement used is a cement-type portland cement. This study aimed to compare the value of CBR clay and silt before and after stabilized by the addition of cement.  Soil used is a type of clay taken from the village of Rawa Sragi, District Jabung, East Lampung district and silt types from Yosomulyo Village, East Metro District, Metro City. In the modified proctor compaction test results, the addition of cement on clay and silt proven to increase the value of the maximum volume weight (γd) continuously. While the value of the optimum water content (ωopt) a decline that is not too significant on at every level of the cement. For a density value of clay and silt mixed cement has increased compared with the original soil density. In testing the CBR without soaking in a mixture of cement with modified proctor compaction CBR values obtained optimum cement content of 9% and ripening 28 days amounted to 107.6% in clay, silt soil while the CBR value without immersion saw the largest increase in cement content 9% and ripening 28 days 58%. The addition of portland cement is proven to increase the value of CBR significantly compared with the both real soil  Keywords: Cement, Clay, Silt, CBR, Soil Bearing Capacity
Pengaruh Subtitusi Pasir Pada Tanah Organik Terhadap Kuat Tekan dan Kuat Geser Putra, Rizki Dwi; Iswan, Iswan; Afriani, Lusmeilia
Jurnal Rekayasa Sipil dan Desain (JRSDD) Vol. 4 No. 2 (2016): Edisi Juni 2016
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v4i2.380

Abstract

Physical properties of organic soils have a very high water content and low carrying capacity.One method to increase the carrying capacity of the soil is by adding or mixing with materials thathave a high carrying capacity. By adding sand on the sample in this study is expected to increasethe carrying capacity of organic soils of compressive strength and strong shear. The study wasconducted in the laboratory of Soil Mechanics Faculty of Engineering, University of Lampung, bymaking a sample of the results of compaction standard, then the samples are given the addition ofsand to the percentage increments of 5%, 10%, 15%, and 20% for the comparison of thecompressive strength (qu), shear angle (φ), and the value of cohesion (c) after the addition ofsand.Results of testing the compressive strength and shear strength showed soil behavior in a state ofthe sample with the addition of sand up to 20% has an increased qu and φ, but a decline in thevalue of soil cohesion. The more increasing mix of sand in the soil samples, the values ofcohesion / coherence on the ground will be more decreased, but the sand has good gradation andstrong grain will be able to withstand the load that works vertically or horizontally.Keywords: Organic Soil, Compressive strength and Shear strength, Friction Angle, and Cohesion.
Analisis Perhitungan Stabilitas Lereng dengan Metode Fellenius (Ordinary Method of Slice) Menggunakan Program PHP (Professional Home Page Hypertext Preprocessor) Fatria, Akhmad Ridho; Iswan, Iswan; Zakaria, Ahmad
Jurnal Rekayasa Sipil dan Desain (JRSDD) Vol. 4 No. 2 (2016): Edisi Juni 2016
Publisher : Universitas Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.23960/jrsdd.v4i2.383

Abstract

Slopes as we know is a sloping ground surface and forming an angle to a horizontal plane andunprotected. Slopes there are generally divided into two categories of land slope, the naturalslopes and artificial slopes. Slope collapse could occur as a result of thrust arising due to the loadon the ground. In the method of calculation of the safety factor of the slope stability, a methodfrequently used in calculating the slope stability is by Fellenius method (Ordinary Method ofSlice), Fellenius method first introduced by Fellenius, slope stability calculations with Felleniusmethod if the count is use a lot of complicated manual calculations so that it becomes lesspractical and relatively take times.One effort to get the accurate calculation of slope stability in a short time, which is by making thesafety factor calculation program on the stability of the slope using a programming language.From the comparison calculation with the program and the results of manual counting,Calculating the percentage difference of less than 1 %, so the program can be used. With the datathat you have this program is able to calculate with no more than 1 minute after entering the dataslope previously calculated manually. While for the time that is required in calculating or writingthe result of manual calculation takes more than 60 minutes. Then it will produce time efficiencyfaster than using a manual calculation.Keywords: Analysis of Slope Stability, Safety Factor, Fellenius Method, PHP
Co-Authors A., Putra Andrean Abdil Hafizh Arrofiq Achmad Satria Nursar Ade Setiawan Ade Setiawan Afriami, Lusmeilia Afrie, Fransiskus Agusni, Restu Ahmad Zakaria Ahmad Zakaria Aji, Badruzzaman Albertus Willy Pratama Aldani, Muhammad Aldy Fernanda Alward Farabi Amal Khairan Andandaningrum, Della Andius Dasa Putra Andius Dasa Putra Anggi, Yulisna Anggraini, Hany Octavia Aprizal, Dani arbenta, hermawan ARDIANSYAH ARDIANSYAH Ardianto, Yupi Ariana, S. Indira Adhi Aswir Aswir Auli, Septriza Aulia R Sudarman Aurelius Silvanno Krisdiyanto Ayu Ning Trias Pratiwi Badruzzaman Aji Bahar, Herwina Bahfen, Munifah Basrinang Basrinang Basuki Sri Hermanto Basuki Srihermanto Bravo Pandiangan brina, ardi elsa Carissa, Caroline Clara Christian Prasenda Dani Aprizal DELLA ANDANDANINGRUM Desti Rahayu Devrisvansyah Irwan Dewi, Afini Riani Dhea Chandra Dewi, Dhea Chandra Dewi Dhina, Martha Vepti Diah Andika Sari Diah Larasati Diah Larasati, Diah DIRGANTARA WICAKSONO Duha, Mayunata Faanzir, Faanzir Fahlefi, Julian Farabi, Alward Fatmi Riandini Fatria, Akhmad Ridho Fatria, Akhmad Ridho Ferdi Ferdian Ferdian, Ferdi Fernanda, Aldy Fikri Alami Fikri Alami Fransiskus Afrie Hadi, Sofian Hadidah, Indah Hafizh Arrofiq, Abdil Handayani, Friska Hany Octavia Anggraini Happy Indira Dewi hardianto widyastomo Haryati Haryati Hatapayo , Abdul Aziz Hedi Saputra Herdiana, I Komang Tri hermawan arbenta Hermawan, M. Iqbal I Komang Tri Herdiana I Wayan Diana Ichsani, Muhammad Desyan Ikratul Herman Imam Wahyudin Indah Parsianti Irwan, Devrisvansyah Istikomah Istikomah Jafri, M. julian fahlefi karami, muhammad Kholiq, Muhammad Nur Kristianto Usman Kurniawan, Panca Kusmawati, Ati Laksmi Irianti Lusmeilia Afriami Lusmeilia Afriani Lusmeilia Afriani M Lucky Apriansyah Nawawi M. Fahmi Rinaldi M. Iqbal Hermawan Ma'rufi, Ma'rufi Manik, Markus Markus Manik Marlina Marlina martha vepti dhina Masdar Helmi Mirsa Susmarani Mughaffir Yunus Muhammad Aldani Muhammad Ilyas Muhammad Jafri Muhammad Jafri muhammad karami Muhammad Nur Kholiq Muhammad Rendi Ramdhani Nasruddin Nasruddin Natanael Sembiring Nawawi Nawawi Nawawi Nawawi Nazifah Husainah Nidya Putri Syahida Nursar, Achmad Satria NURWAHIDAH NURWAHIDAH Ofik Taufik Purwadi, Ofik Taufik Panca Kurniawan Pandiangan, Bravo Pangestu, Beno Balakosa Prasenda, Christian Pratama, Albertus Willy Pratiwi, Ayu Ning Trias Prayitno, Irwan Putra Andrean A. Putra, Riansyah Putra, Rizki Dwi Putri, Silfa Nayyira Qurrahman, Taufiq Rahayu Sulistyiorini Rahayu Sulistyorini Rahayu Sulistyorini Rahman, Muhammad Natsir Ramadhani, Taufik Rambe, Renold Pangidoan Rasyid, Ramly Renold Pangidoan Rambe Restu Agusni Retno Primantiko Retno Wulandari Rian Alfian Rian Alfian, Rian Riansyah Putra Rinaldi, M. Fahmi Rio Dwi Septian Risqon Septian Ritonga, Matnur Rizki Dwi Putra Rizki Prinanda Umar Rizki, Fildzah Rizki, M. Rois Rois Rosmini Maru Rufi'i S. Indira Adhi Ariana Sadil, Salsabila Atalia Sahidin, Sudirman Saiful Bahri Salsabila Atalia Sadil Sampurna, Sindu Abadi Sejati, Septias Herson Sembiring, Natanael Septian, Rio Dwi Septian, Risqon Setyanto Setyanto Sherliana Sherliana Sherliana, Sherliana Sholehuddin, Sholehuddin Sindu Abadi Sampurna Siti Yulianah M. Yusuf SRIYANTI RAHMATUNNISA Sudarman, Aulia R Suherman Suherman Sulaiman Zhiddiq, Sulaiman Sulistyiorini, Rahayu Sumiharni Sumiharni Sundi, Venni Herli Suryaningsih Suryaningsih Susilo, G.E. Syah, Aminudin SYAMSU ALAM Taufik Ramadhani Taufiq Qurrahman Umar Umar Umar, Rizki Prinanda Untung Suwardoyo Wahyudhi, Aden Wahyuni, Nanda Dwi Widyastomo, Hardianto Wijayanti, Nurulita WINATA, WIDIA Yandriguna, Medi yulisna anggi Yupi Ardianto Yusak Maryunianta Yusuf, Siti Yulianah M