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ANALISIS PRODUKTIVITAS PEKERJAAN PENULANGAN KOLOM 20X30 PADA PROYEK PEMBANGUNAN GUDANG LOGISTIK DI POLRES LAMONGAN Sharvina, Ainun Nurin; Sugfa, Mochamad Reyza Putra Sugfa Putra; Latif, Muhammad; Rochmania, Auliya; Fajri, Nuriya Yasmina; Husodo, Ibnu Toto
Jurnal Teknik Sipil Giratory UPGRIS Vol 7, No 1: Juni 2026
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/giratory.v7i1.28132

Productivity is a crucial indicator in assessing the efficiency of construction project implementation. This study aims to analyze the productivity of reinforcement work on 20x30 cm columns in the construction project of the Logistics Warehouse at the Lamongan Police Headquarters. The research employed a descriptive quantitative method with a case study approach, using data from field observations, documentation, and interviews. The results indicate that the actual labor productivity for rebar installation was 80.69 kg/OH. This value is compared to the national productivity standard outlined in the Ministry of Public Works and Housing Regulation (Permen PUPR) No. 8 of 2023, which is 90 kg/OH. Thus, the productivity observed on-site is 9.31 kg/OH or approximately 10.34% below the standard. Factors influencing this discrepancy include worker skill, work methods, site conditions, and the availability of tools and materials. The study recommends improvements in worker training, optimization of supporting equipment, and enhanced time management and supervision to increase productivity in similar projects

PENGARUH KOMPETENSI, MOTIVASI, DAN DISIPLIN TERHADAP KINERJA SDM PADA PROYEK KONSTRUKSI BANGUNAN GEDUNG Ibnu Toto Husodo; Putri Anggi Permata Suwandi; Agung Kristiawan
Journal of Economic, Business and Engineering (JEBE) Vol. 7 No. 2 (2026): April
Publisher : Universitas Sains Al Qur'an

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32500/jebe.v7i2.11057

Proyek konstruksi bangunan gedung memiliki kompleksitas tinggi yang sering memicu permasalahan kinerja, seperti keterlambatan, penurunan kualitas, dan rendahnya produktivitas tenaga kerja. Kondisi ini menegaskan bahwa keberhasilan proyek tidak hanya bergantung pada aspek teknis, tetapi juga pada efektivitas pengelolaan sumber daya manusia (SDM). Penelitian ini mengkaji pengaruh kompetensi, motivasi, dan disiplin kerja terhadap kinerja SDM menggunakan pendekatan kuantitatif dengan analisis SEM-PLS berbasis data kuesioner. Hasil penelitian menunjukkan bahwa ketiga variabel tersebut berpengaruh positif dan signifikan, dengan kompetensi sebagai faktor paling dominan. Temuan ini mengindikasikan bahwa peningkatan kinerja tenaga kerja konstruksi memerlukan pengelolaan SDM yang terintegrasi melalui penguatan kompetensi, peningkatan motivasi, dan penerapan disiplin kerja secara konsisten.

Pemberdayaan Masyarakat Desa Mororejo, Kecamatan Kaliwungu, Kabupaten Kendal Melalui Teknologi Pengolahan Rumput Laut Agus Mukhtar; Hisyam Ma'mun; Ibnu Toto Husodo; Muhammad Faesal Febriandyono; Muhamad Safi'i
IRA Jurnal Pengabdian Kepada Masyarakat (IRAJPKM) Vol 4 No 2 (2026): Agustus
Publisher : CV. IRA PUBLISHING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56862/irajpkm.v4i2.501

Mororejo Village, Kendal Regency, has abundant seaweed potential, but it yields low economic value (IDR 3,000/kg) as it is sold raw. The partner, BUMDes "Moro Berkah", also faces challenges with manual bookkeeping and limited local marketing. This Community Service (PkM) program aims to increase the economic value of seaweed, digitalise financial records, and expand the market through appropriate technology transfer. Methods included providing a seaweed milling machine (disk mill), drafting hygienic production SOPs, training in Microsoft Excel-based bookkeeping, and implementing digital marketing strategies. The results show a significant increase in the partner's capacity. The team successfully transformed raw dried seaweed into high-quality powder, boosting the selling price from IDR 3,000/kg to IDR 85,000/kg. Financial digitalisation helps BUMDes managers handle cash flow transparently and accurately. Furthermore, digital marketing training strengthens product branding and reduces dependence on middlemen by expanding online market access.

ANALISIS PRODUKTIVITAS PEKERJA DENGAN METODE TIME STUDY PADA PEKERJAAN KOLOM (STUDI KASUS PROYEK REHABILITASI PASAR JOHAR KOTA SEMARANG) Sandi, Cahyo Kurnia; Cahyono, Ndaru; Husodo, Ibnu Toto; Permata Suwandi, Putri Anggi
Jurnal Teknik Sipil Giratory UPGRIS Vol 1, No 1: Juni 2020
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/giratory.v1i1.5421

Pembangunan gudang logistik Polres Lamongan, sebagai salah satu elemen infrastruktur publik, perlu dilakukan pengawasan dengan tingkat efisiensi yang tinggi untuk mendukung kebutuhan operasional kepolisian. Beberapa masalah operasional telah muncul yang menghambat penyelesaian tepat waktu. Salah satu masalah utama yang dihadapi adalah keterlambatan dalam pengiriman material yang sangat mempengaruhi kelancaran pekerjaan. Penelitian ini bertujuan untuk menganalisis faktor-faktor yang mempengaruhi keterlambatan dalam proyek pembangunan Gudang Logistik Polres Lamongan, dengan fokus pada peran kontraktor, supplier, konsultan, dan pemilik proyek. Melalui pendekatan kuantitatif, penelitian ini mengidentifikasi faktor-faktor internal dan eksternal yang dapat menyebabkan keterlambatan proyek konstruksi. Metode yang digunakan dalam penelitian ini meliputi analisis regresi linier berganda untuk menentukan hubungan antara variabel independen (lingkungan kerja, keterlambatan material, peralatan, tenaga kerja, dan perubahan desain) dengan keterlambatan pelaksanaan pekerjaan.Hasil penelitian menunjukkan bahwa faktor tenaga kerja memiliki pengaruh terbesar terhadap keterlambatan proyek, dengan nilai beta 0,455, diikuti oleh perubahan desain yang memiliki pengaruh positif meskipun kecil. Sementara itu, faktor lingkungan kerja, keterlambatan material, dan peralatan tidak menunjukkan pengaruh signifikan. Untuk mengatasi keterlambatan, penelitian ini merekomendasikan perbaikan dalam koordinasi antar pihak terkait, manajemen sumber daya yang lebih baik, dan perencanaan yang lebih matang. Penelitian ini memberikan wawasan yang penting untuk meningkatkan pengelolaan proyek konstruksi dan mencegah keterlambatan yang tidak terduga pada proyek-proyek serupa di masa depan.

ANALISA DESAIN PELEBARAN PERKERASAN LENTUR PADA JALAN WOLTER MONGINSIDI SEMARANG Trisno, Trisno; Tegar, Ais Anantatama; Husodo, Ibnu Toto; Budirahardjo, Slamet
Jurnal Teknik Sipil Giratory UPGRIS Vol 1, No 1: Juni 2020
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/giratory.v1i1.8528

Pembangunan gudang logistik Polres Lamongan, sebagai salah satu elemen infrastruktur publik, perlu dilakukan pengawasan dengan tingkat efisiensi yang tinggi untuk mendukung kebutuhan operasional kepolisian. Beberapa masalah operasional telah muncul yang menghambat penyelesaian tepat waktu. Salah satu masalah utama yang dihadapi adalah keterlambatan dalam pengiriman material yang sangat mempengaruhi kelancaran pekerjaan. Penelitian ini bertujuan untuk menganalisis faktor-faktor yang mempengaruhi keterlambatan dalam proyek pembangunan Gudang Logistik Polres Lamongan, dengan fokus pada peran kontraktor, supplier, konsultan, dan pemilik proyek. Melalui pendekatan kuantitatif, penelitian ini mengidentifikasi faktor-faktor internal dan eksternal yang dapat menyebabkan keterlambatan proyek konstruksi. Metode yang digunakan dalam penelitian ini meliputi analisis regresi linier berganda untuk menentukan hubungan antara variabel independen (lingkungan kerja, keterlambatan material, peralatan, tenaga kerja, dan perubahan desain) dengan keterlambatan pelaksanaan pekerjaan.Hasil penelitian menunjukkan bahwa faktor tenaga kerja memiliki pengaruh terbesar terhadap keterlambatan proyek, dengan nilai beta 0,455, diikuti oleh perubahan desain yang memiliki pengaruh positif meskipun kecil. Sementara itu, faktor lingkungan kerja, keterlambatan material, dan peralatan tidak menunjukkan pengaruh signifikan. Untuk mengatasi keterlambatan, penelitian ini merekomendasikan perbaikan dalam koordinasi antar pihak terkait, manajemen sumber daya yang lebih baik, dan perencanaan yang lebih matang. Penelitian ini memberikan wawasan yang penting untuk meningkatkan pengelolaan proyek konstruksi dan mencegah keterlambatan yang tidak terduga pada proyek-proyek serupa di masa depan.

ANALISIS PENGARUH SERBUK CANGKANG KERANG HIJAU SEBAGAI FINE AGREGAT TERHADAPKUAT TEKAN DAN KUAT LENTUR CAMPURAN BETON Setiawan, Yudi Wahyu; Septyawan, Bayu Adhy; Husodo, Ibnu Toto; Budirahardjo, Slamet
Jurnal Teknik Sipil Giratory UPGRIS Vol 1, No 2: Desember 2020
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/giratory.v1i2.9449

Along with advances technology in the field of construction. Concrete was used in construction activities such as high-rise buildings, bridges and dams. Concrete was defined as a composite material with the main constituent of fine aggregates, coarse aggregates, cement, and water. So much green seashells waste that made us interested to observe the effect of replacing shellfish shell powder on concrete mixtures on compressive strength and flexural strength of concrete. The aim of this study was to analyze the compressive strength and optimum flexural strength of the concrete with variations in clamshell powder 5%, 10%, and 20% at the age of 14 and 28 days. The research was carried out by means of mix design, by making Standard 25 MPa concrete samples as controls, then making a variation of concrete samples with a mixture of fine aggregates of shell powder with a composition of 5%, 10%, and 20% of fine aggregate requirements. Cylinder samples are used (Ø = 15 cm, h = 30 cm) and beams (15 x 15 x 60 cm). The samples were compressive strength and flexural strength at 14 and 28 days. From the results of the study at the age of 14 days the average value of the compressive strength of standard concrete was 25.46 MPa, in the mixture of 5% the compressive strength was 25.55 MPa, the mixture of 10% was 29.504 MPa, the mixture of 20% was 27.1 Mpa. From these result was known that the greatest compressive strength is 10%. While testing the flexural strength of the specimens in the form of blocks with (15 x 15 x 60 cm). From the results of the 14 day age test the average value of the standard concrete flexural strength obtained was 33.55 kg / cm², mixture 5% flexural strength value 45.33 kg / cm², 10% mixture obtained 53.9 kg / cm², mixture 20% flexural strength value 60.759kg / cm²

ANALISIS PENGARUH KESELAMATAN DAN KESEHATAN KERJA (K3) TERHADAP KINERJA PEKERJA KONSTRUKSI PADA PEKERJAAN DINDING DAN PLESTER (Studi Kasus Proyek Pembangunan Gedung Dinas Kesehatan Kota Semarang) Prihatmoko, Diyan Ari; Husodo, Ibnu Toto; Permata Suwandi, Putri Anggi
Jurnal Teknik Sipil Giratory UPGRIS Vol 1, No 1: Juni 2020
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/giratory.v1i1.5426

Pembangunan gudang logistik Polres Lamongan, sebagai salah satu elemen infrastruktur publik, perlu dilakukan pengawasan dengan tingkat efisiensi yang tinggi untuk mendukung kebutuhan operasional kepolisian. Beberapa masalah operasional telah muncul yang menghambat penyelesaian tepat waktu. Salah satu masalah utama yang dihadapi adalah keterlambatan dalam pengiriman material yang sangat mempengaruhi kelancaran pekerjaan. Penelitian ini bertujuan untuk menganalisis faktor-faktor yang mempengaruhi keterlambatan dalam proyek pembangunan Gudang Logistik Polres Lamongan, dengan fokus pada peran kontraktor, supplier, konsultan, dan pemilik proyek. Melalui pendekatan kuantitatif, penelitian ini mengidentifikasi faktor-faktor internal dan eksternal yang dapat menyebabkan keterlambatan proyek konstruksi. Metode yang digunakan dalam penelitian ini meliputi analisis regresi linier berganda untuk menentukan hubungan antara variabel independen (lingkungan kerja, keterlambatan material, peralatan, tenaga kerja, dan perubahan desain) dengan keterlambatan pelaksanaan pekerjaan.Hasil penelitian menunjukkan bahwa faktor tenaga kerja memiliki pengaruh terbesar terhadap keterlambatan proyek, dengan nilai beta 0,455, diikuti oleh perubahan desain yang memiliki pengaruh positif meskipun kecil. Sementara itu, faktor lingkungan kerja, keterlambatan material, dan peralatan tidak menunjukkan pengaruh signifikan. Untuk mengatasi keterlambatan, penelitian ini merekomendasikan perbaikan dalam koordinasi antar pihak terkait, manajemen sumber daya yang lebih baik, dan perencanaan yang lebih matang. Penelitian ini memberikan wawasan yang penting untuk meningkatkan pengelolaan proyek konstruksi dan mencegah keterlambatan yang tidak terduga pada proyek-proyek serupa di masa depan.

OPTIMALISASI KARAKTERISTIK TANAH SEDIMEN BENDUNGAN LEIS RANDUDONGKAL-PEMALANG AKIBAT VARIASI PENAMBAHAN CAMPURAN ASPAL EMULSI DAN FLY ASH Arianto, Lutfian Dikma; Ghofur, Abdul; Budirahardjo, Slamet; Husodo, Ibnu Toto
Jurnal Teknik Sipil Giratory UPGRIS Vol 3, No 1: Juni 2022
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/giratory.v3i1.12834

Soil has physical and technical properties or what can be called physical properties and engineering properties. Soil conditions and characteristics in each area have different properties, as is the case with the problematic sedimentary soil of the Leis Randudongkal dam, Pemalang district, which has poor soil bearing capacity. The research conducted on the sediment soil of the Leis Randudongkal dam, Pemalang district, varied the mixture of sedimentary soil with a mixture of additives in the form of emulsified asphalt and fly ash . The percentage of mixing of additives is 0%, 5%, 10% and 15% with two ratios of additives, namely (75% emulsified asphalt + 25% fly ash) with a ratio of (25% emulsified asphalt + 75% fly ash) with physical properties and engineering properties. From the tests carried out, it shows the percentage of addition of additives that show increased soil characteristics, namely as follows; Specific gravity testing with the percentage of adding additives is 15% in a ratio (25% asphalt emulsion + 75% fly ash), Atteberg limit by reviewing the plasticity index occurs at the percentage addition of additives by 5% with a percentage ratio (75% emulsified asphalt + 25% fly ash), soil compaction testing using a due to a larger fly ash showing the optimum water content value that is not too large, then testing the soil development (swelling) using the addition of an additive percentage of 10% with a percentage ratio (25% emulsified asphalt + 75% fly ash), in the CBR test the percentage of additives added is 10% with a percentage ratio (25% emulsified asphalt + 75% fly ash).

PEMANFAATAN BATU BLONDOS SUNGAI LONING DESA MLUWEH KEC. UNGARAN TIMUR KAB. SEMARANG SEBAGAI SUBSTITUSI AGREGAT PADA CAMPURAN ASPAL POROUS Irfan, Misbakhul; Kusuma, Fiki Rifan; Budirahardjo, Slamet; Husodo, Ibnu Toto
Jurnal Teknik Sipil Giratory UPGRIS Vol 3, No 1: Juni 2022
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/giratory.v3i1.12852

Porous asphalt is an open graded mixture with a large percentage of coarse aggregate, a small percentage of fine aggregate, thus providing a large air void. Porous asphalt is an innovation to reduce standing water on the road surface. Porous asphalt has a low stability value but has a high permeability value caused by the large number of cavities in the pavement layer mix as a drainage system. Porous asphalt is used on roads that have low traffic. This study aims to determine the value of the permeability and strength of the material based on the Marshall criteria with aggregates sourced from Kakaskasen and regulated in the laboratory so that it has parameters of mixture composition as filler and 60/70 penetration asphalt as binder. The mix design is based on the aggregate composition in accordance with the gradation requirements (Asphalt Concrete-Wearing Course) or abbreviated as AC-WC and the approximate asphalt content is searched for a Marshall test object. The asphalt content was determined first using 60/70 penetration asphalt as a binder and a Marshall test object was made with 5 variations of blondos stone content and testing was carried out to obtain a permeability value where the water in the tube fell freely into the mold containing the test object at a certain height until it passed through the cavity. on the mix. The results showed that in the porous asphalt mixture, the best asphalt content was 4.7% with blondos stone content of 75%, the stability value was 870.1 mm, flow was 5.5 mm, VIM = 19.6%, MQ = 203.4 kg/mm, all the values of the Marshall criteria meet the specification limits. The results of the research showed that the permeability of porous asphalt was 0%; 0.48 cm/s , 25%; 0.81 cm/s, 50%; 0.60 cm/s, 75%; 0.34 cm/s, 100%; 0.63 cm/s, of all the asphalt permeability values that meet the limits of the specification criteria are 75% blondos stone mixture. Based on this research, it was found that the porous asphalt mixture using material sourced from the Loning River using a 60/70 penetration asphalt binder has a high stability value and has a high permeability value, but the mixture is still suitable for use on low-traffic road conditions. Thus, it is recommended for the porous asphalt mixture to do more research using different material sources and binders and further research is needed on marshall performance along with the effect of strength on the pavement mixture. Keywords: Porous Asphalt, Permeability, 60/70 Penetration Asphalt, Rounded Stone.

ANALISIS PENGARUH SERBUK CANGKANG KERANG HIJAU SEBAGAI FINE AGREGAT TERHADAPKUAT TEKAN DAN KUAT LENTUR CAMPURAN BETON Setiawan, Yudi Wahyu; Septyawan, Bayu Adhy; Husodo, Ibnu Toto; Budirahardjo, Slamet
Jurnal Teknik Sipil Giratory UPGRIS Vol 1, No 2: Desember 2020
Publisher : Universitas PGRI Semarang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26877/giratory.v1i2.28468

Along with advances technology in the field of construction. Concrete was used in construction activities such as high-rise buildings, bridges and dams. Concrete was defined as a composite material with the main constituent of fine aggregates, coarse aggregates, cement, and water. So much green seashells waste that made us interested to observe the effect of replacing shellfish shell powder on concrete mixtures on compressive strength and flexural strength of concrete. The aim of this study was to analyze the compressive strength and optimum flexural strength of the concrete with variations in clamshell powder 5%, 10%, and 20% at the age of 14 and 28 days. The research was carried out by means of mix design, by making Standard 25 MPa concrete samples as controls, then making a variation of concrete samples with a mixture of fine aggregates of shell powder with a composition of 5%, 10%, and 20% of fine aggregate requirements. Cylinder samples are used (Ø = 15 cm, h = 30 cm) and beams (15 x 15 x 60 cm). The samples were compressive strength and flexural strength at 14 and 28 days. From the results of the study at the age of 14 days the average value of the compressive strength of standard concrete was 25.46 MPa, in the mixture of 5% the compressive strength was 25.55 MPa, the mixture of 10% was 29.504 MPa, the mixture of 20% was 27.1 Mpa. From these result was known that the greatest compressive strength is 10%. While testing the flexural strength of the specimens in the form of blocks with (15 x 15 x 60 cm). From the results of the 14 day age test the average value of the standard concrete flexural strength obtained was 33.55 kg / cm², mixture 5% flexural strength value 45.33 kg / cm², 10% mixture obtained 53.9 kg / cm², mixture 20% flexural strength value 60.759kg / cm².

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