|
|
|
|
|
Samuel Olufemi Folagbade
Pág. 14 - 20
Heat of hydration up to 72 hours and compressive strength up to 7 days of Portland cement and 17 binary and ternary cements containing fly ash, silica fume, and metakaolin, at a water/cement ratio of 0.50 and addition contents of 20%, 35%, and 55%, were ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Samuel Olufemi Folagbade
Pág. 96 - 101
This paper investigated the initial surface absorption (ISAT) of concrete using Portland cement (PC) and some binary and ternary cement combinations containing fly ash (FA), silica fume (SF) and metakaolin (MK) as partial replacements for PC at equal wat...
ver más
|
|
|
|
|
|
|
|
|
|
|
Folagbade Samuel Olufemi
Pág. 57 - 64
The resistance to water penetration of cement combination concretes containing Portland cement (PC), fly ash (FA), and metakaolin (MK) have been investigated at different water/cement (w/c) ratios, 28-day strengths, and depths of water penetration using ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Ana Paula da Silva Milani, Wesley Jorge Freire
Pág. Page 91 - 100
This work informs about a research effort with the aim of proposing construction solutions that help reducing the environmental degradation the researchstudied the utilization of rice husk added to mixtures of soil and cement to obtain an alternative con...
ver más
|
|
|
|
|
|
|
|
|
|
|
Ni Nyoman Kencanawati,Shofia Rawiana,Ni Putu Ria Ria Darmayanti
Pág. 40 - 49
To support sustainable materials, the ordinary Portland cement production has been reduced since it left a high carbon footprint during manufacturing. As an alternative, the use of pozzolan Portland cement and composite Portland cement has been encourage...
ver más
|
|
|
|
|
|
|
|
|
|
|
Adalberto Matoski, Massayuki Mario Hara, Setsuo Iwakiri, Juliana Machado Casali
Pág. 655 - 660
Current research evaluated the use of Pinus sp. wood dust from lumber industries wastes on the composition of wood-cement panels. The experiment comprised the manufacture and characterization of wood-cement panels with granulometry-controled wood dust, w...
ver más
|
|
|
|
|
|
|
|
|
|
|
Minhao Dong, Mohamed Elchalakani, Ali Karrech and Bo Yang
The long-term effect of extreme conditions, such as high concentrations of CO2, a combination of chloride and air, and sulfuric acid, on the performance of steel fibre reinforced alkali-activated fly ash and slag (AAFS) mortars was investigated. The sele...
ver más
|
|
|
|
|
|
|
|
|
|
|
Runqi Guo, Haiying Zhang, Kezheng Chen, Yang Song, Hongxia Li, Lin Ding and Yanjie Liu
In order to improve the seismic performance of reinforced concrete (RC) columns, a reinforcement technology using prestressed steel wire ropes embedded in polyurethane cement composite material is proposed. Four concrete columns reinforced with different...
ver más
|
|
|
|
|
|
|
|
|
|
|
Vinh Thi Hai Chu, Vinh Duc Bui and Tue Viet Nguyen
Ultra-High Performance Concrete (UHPC) improves the bearing capacity as well as the durability of structural concrete. This study aims to investigate the constituents of UHPC in both phases: aggregate and cementitious materials. The proper ratio of the m...
ver más
|
|
|
|
|
|
|
|
|
|
|
Abderrazak Barkat, Said Kenai, Belkasem Menadi, El-Hadj Kadri and Jamal Khatib
Self-compacting concrete (SCC) production is a complex operation that requires finding a good combination and suitable dosages for its constituents. Several formulation methods have been developed to meet the workability requirements of SCC. Mortar sprea...
ver más
|
|
|
|
|
|
|
|
|
|
|
Blas Cantero, Miguel Bravo, Jorge de Brito, Isabel Fuencisla Sáez del Bosque and César Medina
Concrete is the most widely used construction material in the world; as such, the best way to promote a more sustainable construction industry is to improve the environmental performance of this material. Since cement production is the main source of the...
ver más
|
|
|
|
|
|
|
|
|
|
|
Styliani Papatzani and Kevin Paine
With the current paper three nano-Montmorillonites (nMt) are applied in cement nanohybrids: an organomodified nMt dispersion, nC2; an inorganic nMt dispersion, nC3; and an organomodified powder, nC4. nC4 is fully characterized in this paper (X-ray diffra...
ver más
|
|
|
|
|
|
|
|
|
|
|
Pawel Ogrodnik, Bartosz Zegardlo and Maciej Szelag
The paper presents the results obtained in the course of a study on the concrete made of aggregate obtained from wastes of sanitary ceramics. Previous examinations proved high in strength and durability of concrete of this type, and it showed a resistanc...
ver más
|
|
|
|
|
|
|
|
|
|
|
Vinícius de Kayser Ortolan, Thayse Hilgert, Juan José Howland, Luis Silva, Bernardo Fonseca Tutikian
Pág. 238 - 248
Increasing the lifespan of structures is of great importance for civil construction, either because of economic aspects or security to the users. Corrosion of reinforcement is one of the most recurring problems, especially in environments with high chlor...
ver más
|
|
|
|
|
|
|
|
|
|
|
J. Valentin, Z. Cí?ková, J. Suda, F. Batista, ... D. Simnofske
Pág. 758 - 767
One of the objectives within the European research project CoRePaSol (supported within the CEDR Transnational Program) was to summarize assessment and research of stiffness modulus of cold recycled mixes determined according to repeated indirect tensile ...
ver más
|
|
|
|
|
|
|
|
|
|
|
Lesday Martínez Fernández, Rafael Quintana Puchol, José Fernando Martirena Hernández
Pág. Page 113 - 122
The present study carried out a characterization of the components of a binary blend comprised of lime-cane sugar straw ash by means of the analytic techniques ofray-x diffraction, chemical, and granulometric analysis. The evolution of the setting proces...
ver más
|
|
|
|
|
|
|
|
|
|
|
Panuwat Joyklad, Hafiz Ahmad Waqas, Abdul Hafeez, Nazam Ali, Ali Ejaz, Qudeer Hussain, Kaffayatullah Khan, Arissaman Sangthongtong and Panumas Saingam
Many masonry structures are constructed with cement clay interlocking brick (CCIB) due to its added benefits. Recent research has demonstrated the vulnerability of brick masonry walls against seismic loading. Various strengthening materials and technique...
ver más
|
|
|
|
|
|
|
|
|
|
|
Temple Chimuanya Odimegwu, A. B. M. A. Kaish, Maslina Jamil, M. F. M. Zain, Asset Turlanbekov and Ahmed W. Al Zand
This study evaluated the effect of alum sludge as an alternative to fly ash in fabricating geopolymer paste and mortar. The blending of this industrial waste (alum sludge and fly ash) is not only for the benefit of sustainable construction and disposal o...
ver más
|
|
|
|
|
|
|
|
|
|
|
Daniel Mulat Nega, Begashaw Worku Yifru, Woubishet Zewdu Taffese, Yalew Kassa Ayele and Mitiku Damtie Yehualaw
The purpose of this study is to examine the effects of partially replacing cement with a blend of marble waste powder (MWP) and granite waste powder (GWP) in mortar, with the goal of reducing the environmental harm caused by cement. The investigation inc...
ver más
|
|
|
|
|
|
|
|
|
|
|
Essossinam Beguedou, Satyanarayana Narra, Komi Agboka, Damgou Mani Kongnine and Ekua Afrakoma Armoo
The process of making cement clinker uses a lot of energy and produces a lot of pollution. Currently, cement companies use a combination of traditional fossil fuels and alternative fuels (AF-Fuels) to lower their energy consumption and environmental foot...
ver más
|
|
|
|
|
|