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All Journal Rekayasa Sipil Daktilitas
Danang Hadi Nugroho
Brawijaya University
Civil Engineering, Building, Construction & Architecture Engineering Environmental Science Transportation

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CRACKING STUDY OF ONYX WASTE PRECAST CONCRETE PANEL WHICH THE SURFACE IS FINISHED WITH 4MM THICKNESS GRINDING Danang Hadi Nugroho; Edhi Wahyuni Setyowati; Wisnumurti Wisnumurti
Rekayasa Sipil Vol 15, No 3 (2021)
Publisher : Department of Civil Engineering, Faculty of Engineering, Universitas Brawijaya

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Abstract

This research is a continuation of a series of research on Tulungagung onyx waste. The large volume of onyx waste in the area around the Tulungagung onyx processing plant is used as a substitute for gravel aggregate in the concrete mixture which is processed into exposed concrete which has high aesthetic value. In this study, a finishing treatment process (panel thickness thinning) was carried out which aims to produce coarse aggregates from the walls of the onyx concrete waste panels as exposed concrete which has high aesthetic value. The researcher wanted to know the cracking behavior of the onyx concrete waste panel walls before and after the finishing process. The test object used is the test object of previous researchers, namely the wall of the onyx waste concrete panel size 80 cm x 40 cm x 6 cm with practical steel reinforcement Ø6 - 100 mm attached, so that in this study the researcher only carried out the finishing treatment of panel thickness thinning, in-plane three-point loading test and took data on the cracks that occurred. The result of the finishing process by grinding of 2 mm shows that the percentage of aggregate is seen on average 1.8% of the total surface area, while for the finishing of 4 mm it shows that the percentage of aggregate is seen on average 35%. No initial cracks were found on the surface of the specimen after grinding 2 mm or 4 mm. The cracks experienced after loading were flexural cracks, where all the samples had only one crack in the direction almost perpendicular to the panel axis. The bending stress that occurs in the panels during the initial cracking of the non-grinding panels, 2 mm grinding panels, 4 mm grinding panels is 4.75 MPa, 4.62 MPa, 4.60 MPa respectively.
ANALISISA AKTIVITAS MANAJEMEN KONSTRUKSI PADA PROYEK LABORATORIUM BAHASA DAN KOMPUTER SMP NEGERI 1 BESUKI Lutfan Anas Zahir; Danang Hadi Nugroho
JURNAL DAKTILITAS Vol. 2 No. 1 (2022): JUNI 2022
Publisher : PROGRAM STUDI TEKNIK SIPIL UNIVERSITAS TULUNGAGUNG

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36563/daktilitas.v2i1.532

Abstract

Abstract Managementㅤinㅤaㅤworkㅤjobㅤisㅤveryㅤimportantㅤtoㅤconsiderㅤinㅤtheㅤfieldㅤofㅤworkㅤcurrently growingㅤ rapidly.ㅤ Constructionㅤ managementㅤ isㅤ anㅤ organizationㅤ orㅤ individualㅤ thatㅤ isㅤ multi-disciplinary.ㅤConstructionㅤManagementㅤcanㅤconsistㅤofㅤbusinessㅤentitiesㅤthatㅤrequireㅤhumanㅤresourcesㅤwhoㅤareㅤexpertsㅤinㅤtheirㅤrespectiveㅤfieldsㅤwhoㅤneedㅤaㅤPOACㅤ(Planning,ㅤOrganizing,ㅤㅤ Actuating,ㅤandㅤ Controlling)ㅤ byㅤ beingㅤ systematicㅤ andㅤ measurable. Atㅤpresentㅤ theㅤJuniorㅤ Highㅤ Schoolㅤ1 BesukiㅤinㅤCentralㅤJavaㅤisㅤunderwayㅤinㅤtheㅤLanguageㅤ Laboratoryㅤ Projectㅤ locatedㅤ inㅤ theㅤ southernㅤ partㅤ ofㅤ School.ㅤ Theㅤ researchㅤ methodㅤ usedㅤ inㅤ thisㅤ researchㅤ isㅤ literatureㅤ reviewㅤ fromㅤ variousㅤ sourcesㅤ thatㅤ discuss.ㅤ Dataㅤ obtainedㅤ fromㅤ fillingㅤ outㅤ questionnairesㅤ ㅤ byㅤ ㅤ respondentsㅤ ㅤ involvedㅤ ㅤ inㅤ ㅤ theㅤ ㅤ Schoolㅤ Languageㅤ Laboratoryㅤ Project.ㅤ Theㅤ questionnaireㅤ usedㅤ wasㅤ 15ㅤ respondentsㅤ whoㅤ answeredㅤ theㅤ questionnaire. Theㅤresultsㅤofㅤtheㅤanalysisㅤofㅤtheㅤworkㅤmanagementㅤsystemㅤconstructionㅤfactorsㅤinㅤ ㅤ theㅤ Juniorㅤ Highㅤ Schoolㅤ Languageㅤ Laboratoryㅤ Projectㅤ ㅤ constructionㅤ ㅤ projectㅤ ㅤ areㅤ theㅤ mostㅤ ㅤ dominantㅤ ㅤ atㅤ theㅤ stageㅤ ofㅤ actuating,ㅤ ㅤ whileㅤ theㅤ analysisㅤ ㅤ ofㅤ theㅤ actionsㅤ takenㅤ byㅤ constructionㅤ ㅤ managementㅤ ㅤ toㅤ controlㅤ time,ㅤ cost,ㅤ andㅤ qualityㅤ isㅤ theㅤ mostㅤ dominantㅤ stageㅤ controlling. Keywords: Analysis, Construction Management, POAC, Development, Efficiency Abstrak Manajemenㅤ dalamㅤmengelolaㅤsuatuㅤkegiatanㅤpekerjaanㅤkonstruksiㅤsangatㅤ ㅤ ㅤ diperlukanㅤ mengingatㅤ ㅤ usahaㅤ ㅤ diㅤ bidangㅤ ㅤ konstruksiㅤ ㅤ saatㅤ ㅤ iniㅤ semakinㅤ ㅤ berkembangㅤ ㅤ pesat.ㅤ ㅤ Manajemenㅤ ㅤ konstruksiㅤ merupakanㅤ ㅤ suatuㅤ ㅤ organisasiㅤ ㅤ atauㅤ peroranganㅤ ㅤ yangㅤ ㅤ bersifatㅤ ㅤ multiㅤ ㅤ disiplin.ㅤ ㅤ Manajemenㅤ ㅤ Konstruksiㅤ dapatㅤ berupa badanㅤ usahaㅤ yangㅤ didalamnyaㅤ diperlukanㅤ sumberㅤ dayaㅤ manusiaㅤ yangㅤ ahliㅤ dibidangnyaㅤ masing-masingㅤ yangㅤ mencakupㅤ POACㅤ (Planning,ㅤ Organizing,ㅤ Actuating,ㅤ danㅤ Controling)ㅤ secaraㅤ sistimatisㅤ danㅤ terukur. Saatㅤ iniㅤ SMPㅤ Negeriㅤ 1ㅤ Bandungㅤ ㅤ sedangㅤ dilakukanㅤ proyekㅤ laboratoriumㅤ Komputerㅤ danㅤ Bahasaㅤ letaknyaㅤ ㅤ diㅤ centerㅤ bangunanㅤ sekolah.ㅤMetodeㅤpenelitianㅤ ㅤ yang digunakanㅤ ㅤ dalamㅤ dalamㅤ penelitianㅤ ㅤ iniㅤ adalahㅤ denganㅤ kajianㅤ pustakaㅤ dariㅤ berbagaiㅤsumberㅤ yangㅤ berkaitan.ㅤDataㅤ yangㅤ didapatkanㅤ ㅤ berasalㅤ ㅤ dariㅤ ㅤ pengisian ㅤ kuisionerㅤolehㅤ respondenㅤ yangㅤterlibatㅤdalamㅤproyekㅤLaboratoriumㅤ Bahasaㅤ danㅤ Komputer.ㅤ Kuisionerㅤyangㅤ digunakanㅤ sebanyakㅤ 15ㅤ respondenㅤ yangㅤ berpartisipasiㅤ dalamㅤ pengisianㅤ kuesioner. Hasilㅤ analisisㅤ mengenaiㅤ faktorㅤ faktorㅤ sistemㅤ kerjaㅤ manajemenㅤ konstruksiㅤ padaㅤ proyekㅤ pembangunanㅤGedungㅤlaboratoriumㅤ KomputerㅤdanㅤBahasaㅤyangㅤpalingㅤdominanㅤadalahㅤpadaㅤ tahapanㅤpelaksanaan,ㅤsedangkanㅤanalisisㅤmengenaiㅤtindakan-tindakanㅤyangㅤdilakukanㅤmanajemenㅤkonstruksiㅤuntukㅤpengendalianㅤwaktu,ㅤbiaya,ㅤdanㅤmutuㅤyangㅤpalingㅤ ㅤ dominanㅤadalahㅤtahapanㅤpengendalian Kata kunci: Analisis, Manajemen Konstruksi, POAC, Development, Efisiensi
Co-Authors Edhi Wahyuni Setyowati Lutfan Anas Zahir Wisnumurti Wisnumurti