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Journal : Jurnal Ilmiah Teknik Sipil

PEMANFAATAN LUMPUR LAPINDO SEBAGAI BAHAN SUBSTITUSI SEMEN DALAM PEMBUATAN BATA BETON PEJAL Ngk. Made Anom Wiryasa; I Wayan Sudarsana
Jurnal Ilmiah Teknik Sipil Vol. 13, No. 1 Januari 2009
Publisher : Department of Civil Engineering, Udayana University

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Abstract

This paper presents a determination of compressive strength and waterabsorption of solid concrete block. The research objective was to determine theideal mix composition of the concrete block where Lapindo silt was used as acement substitution. Five types of mixes were made where Type A, B, C, D and Ewas (100% PC; 0% LS), (90% PC; 10% LS), (80% PC; 20% LS), (70% PC; 30%LS), and (60% PC; 40% LS) respectively. The weight ratio between Portlandcement and sand was 1:8 with a water cement ratio of 0.4. The cement used in thisresearch was Gresik Portland cement and the specimens were tested in the age of28 days. The water absorption test results showed that the use of 24.56% ofLapindo silt as a cement substitution optimally decreased the water absorption upto 18.21% and gave a compressive strength of 71.5 kg/cm2 that is qualified asB1.This was caused by the block contained SiO2 work as a filler and CaO as a bindof the materials. The small water absorption value could also increase the durabilityof solid concrete block. The compressive strength and water absorption of the solidconcrete block with 7,25% of Lapindo silt was 100,1 kg/cm2 (qualified as B2) and20,72% respectively.
Co-Authors ., Agus Wahyu Setiawan ., Ayu Candra Dewi Arinata ., Ayu Sintya ., Diyah Komala Dewi ., Gusti Ayu Desy Anggarini ., I Dewa Ayu Ratnadewi ., I Kadek Setiawan ., I Made Nugraha Wicaksana ., I Putu Angga Wijaya Sandy ., Ida Ayu Sri Susanti Atma Sari ., Kadek Anggi Nalasari ., Kadek Ermayanti ., Komang Ayu Wahyuni ., Komang Susanti Martinasari ., L G Putri Andyani ., Luh Dewi Puspawati ., Luh Komang Sugianingsih ., Luh Putu Ria Kurniawati ., Mita Sari Ni Luh Putu ., Ni Kadek Candra Wahyuni ., Ni Kadek Dwi Mega Yanthi ., Ni Kadek Kisri Ani ., Ni Ketut Desi Kristiani ., Ni Luh Gede Dian Citra Agustini ., Ni Luh Gede Yuni Artini ., Ni Luh Pitri Widi Pratiwi ., Ni Luh Putu Evi Anggreni ., Ni Luh Putu Intan Sari Dewi ., Ni Made Astini ., Ni Made Dwi Hendrayani ., Ni Made Dwiantari ., Ni Made Feby Kurniyanthi ., Ni Made Pitria Mulia Sari ., Ni Made Pratiwi Pebriyanti ., Ni Made Wira Astami ., Ni Wayan Ika Ariesta Dewi ., Pande Made Prista Pradnyana ., Putu Chan Wisjayani Dadri ., Putu Eddy Gunawan ., Putu Eka Trisna Dewi ., Putu Teja Juli Artha ., Sisilia Indah Trisnaningsih Abadi, I B G S Abadi, IB.G. Surya Agustini, NLP Inca Buntari Anggara, I Made Citra Anggara, I Made Citra Artini, Putu Ari Bahari, Ni Ketut Intan Baskara, Dewa Ari Cahyadi, Herry Suwaja Christiawati, Ni Made Diana Cintariasih, Putu Darmayanti, Ni Komang Ayu Mas Darmayanti, Ni Komang Ayu Mas DB. Kt. Ngr. Semara Putra Dessy Wiranti, Ni Putu Dessy Wiranti, Ni Putu Dewa Ayu Indra Wahyuni Dewi, Ni Putu Ayu Ratna Diana Putra, I Dewa Gede Dr. I Gede Meter,M.Pd . Dr. I Nyoman Tika,M.Si . Drs. I Gusti Agung Oka Negara,S.Pd. M.Ke . Drs. Nyoman Wirya . Drs.Mursal . Dwi Lestari, Ni Made Dwi Lestari, Ni Made Ekayanti, Ni Luh Putu feby puspita, ni ketut Gede Eka Harsana Koriawan i b g s abadi I Dewa Ayu Purnama Dewi . I Dewa Gede Diana Putra I Gede Gemaydha . I Gede Mahendra Darmawiguna I Gst Agung Oka Negara I Gusti Ayu Agung Deska Suarniti ., I Gusti Ayu Agung Deska Suarniti I Gusti Ayu Dwi Lestari . I Gusti Ayu Sukmandari . I Gusti Ketut Arya Sunu I Gusti Putu Bagus Sasrawan Mananda I Kadek Putra Jaya . I Kadek Sastra Adi Merta I Ketut Adnyana Putra I Ketut Ardana I Ketut Suardika . I Ketut Swarjana I Komang Ngurah Wiyasa I Komang Triana Prawijaya I Made Diana Putra . I Made Eri Ariawan ., I Made Eri Ariawan I Made Gede Sunarya I Made Putra I Made Saptria Parwata . I Made Suka Somartana . I Nengah Suadnyana I Nyoman Natajaya I Putu Gde Yudara Sandra Putra I Wayan Darmika Yana . I Wayan Sadia I Wayan Suarjana . I Wayan Sujana I Wayan Sujana I Wayan Wiarta I.G.A. Agung Sri Asri IB.G. Surya Abadi Ida Ayu Ella Yuanita . Ida Bagus Gede Eka Winata . Ida Bagus Gede Surya Abadi Ida Bagus Surya Manuaba Indra Wahyuni, Dewa Ayu Israfil, Israfil Juwitasari , Citra Kadek Eva Krishna Adnyani Kadek Galih Candrayani . Kadek Mita Wahyuni . Kadek Sri Wahyuni Indrawati . Komang Ary Trisnadewi . Komang Ayu Sugiartini Pramita Dewi . Komang Citra Padma Utami . Komang Sudamayanto . Komang Yogi Triana Kristiantari, MGR Loka Andari, Ida Ayu Ketut Manik Luh Ayu Tirtayani Luh Putu Ari Surestiani . Luhde Sepdania Wati ., Luhde Sepdania Wati M.For. DB.KT.NGR. Semara Putra,S.Pd. . M.Pd Drs. I Made Suara . M.Pd Drs. Made Putra . M.Si Dr. I Wayan Rinda Suardika,S.Pd . Made Ayu Sintya Dewi ., Made Ayu Sintya Dewi Made Pramesti Yogidibrata ., Made Pramesti Yogidibrata Made Putra Manuaba, I. B. S. Manuaba, I. B. S. Maria Goreti Rini Kristiantari MGR Kristiantari Mita Puspita . Negara, K.Kurnia Kusuma Adi Ngakan Made Anom Wiryasa Ni Kadek Ayu Windari . Ni Kadek Meriani . Ni Kadek Suci Suriani . Ni Ketut Ayu Pramitasari ., Ni Ketut Ayu Pramitasari ni ketut feby puspita Ni Ketut Intan Bahari Ni Komang Tris Utari ., Ni Komang Tris Utari Ni Luh Putu Ekayanti Ni Luh Putu Muri Adnyani . Ni Luh Putu Ratih Agustini ., Ni Luh Putu Ratih Agustini Ni Luh Putu Suariyani Ni Made Ayu Wulan Indrayani Ni Made Putri Arini ., Ni Made Putri Arini Ni Nengah Suartini Ni Putu Ayu Widiastiti . Ni Putu Deni Ardiyanti ., Ni Putu Deni Ardiyanti Ni Putu Devi Oktavia Ni Putu Dita Wisna Wati . Ni Putu Eka Dina Lestari Putri Ni Putu Sukma Srijayanti . Ni Wayan Ayu Endang Istorina . Ni Wayan Listiani . Ni Wayan Mika Safitri ., Ni Wayan Mika Safitri Ni Wayan Suniasih Paramitasari, Ketut Citra Pratiwi, Ni Wayan Mita Prawijaya, I Komang Triana Priani, Irul Priyanti, Ni Luh Saras Priyanti, Ni Luh Saras Purwani, Ni Putu Rita Purwani, Ni Putu Rita Purwaningsih, Ni Komang Putra, DB. Kt. Ngr. Semara Putra, DB. Kt. Ngr. Semara Putra, Made Putra, Made Putu Ayu Satya Dewi . Putu Dewi Ariestuti . Putu Eka Andriyani ., Putu Eka Andriyani Rahayuni, IGA Rai Rai Suadnyana Wijaya Ria Yuliana . Suryani, Ni Wayan Tasya Dhevi, Ni Putu Melinda Pramesti Widhyalestari, Ni Nyoman Tri Angraeni Wijaya, Rai Suadnyana Yohanes Kristianto