|
|
|
|
|
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
|
|
|
|
|
|
|
|
|
|
|
Carlos Videla, Carlos Aguilar
Pág. Page 139 - 152
The present research aims to develop an updating procedure of drying shrinkage prediction models for Chilean concrete made with different materials forusing in design phase. The proposed methodology considers the comparison of measured and predicted shri...
ver más
|
|
|
|
|
|
|
|
|
|
|
Carlos Videla, Juan Covarrubias, Cristian Masana Cristian Masana
Pág. Page 4 - 16
Different models reported on specialized literature have been proposed for cuntifying concrete drying shrinkage at the design stage of concrete structures. However, questions have been raised regarding their applicability to conditions different to those...
ver más
|
|
|
|
|
|
|
|
|
|
|
Hamid Maljaee, António Santos Silva and Ana Velosa
The popularity of natural cement (Roman cement) in buildings from the late 19th and the beginning of the 20th century and the high diversity of characteristics of natural cement demand research of mortar and binders used in the buildings of this period i...
ver más
|
|
|
|
|
|
|
|
|
|
|
Junhao Ye, Songhui Liu, Jingrui Fang, Haibo Zhang, Jianping Zhu and Xuemao Guan
This study focused on the synthesis of aragonite whiskers through a synergistic wet carbonation technology utilizing waste magnesia slag (MS) and magnesium sulfate (MgSO4), aiming to improve the microstructure and mechanical properties of ordinary Portla...
ver más
|
|
|
|
|
|
|
|
|
|
|
Hongfang Sun, Hao Zou, Xinwei Li, Shazim Ali Memon, Binyang Yuan, Feng Xing, Xiaogang Zhang and Jie Ren
In this study, X-ray microcomputed tomography (XCT) and nanoindentation techniques were used to evaluate the synergistic action between sulfate and chloride ingress under cyclic drying?immersion conditions on steel-reinforced mortars. Three salt solution...
ver más
|
|
|
|
|
|
|
|
|
|
|
Nilo Cesar Consoli, Jordanna Chamon Vogt, João Paulo Sousa Silva, Helder Mansur Chaves, Hugo Carlos Scheuermann Filho, Eclesielter Batista Moreira and Andres Lotero
Failures of tailings dams, primarily due to liquefaction, have occurred in Brazil in recent years. These events have prompted the Brazilian government to place restrictions on the construction of new dams, as iron ore tailings deposited behind upstream d...
ver más
|
|
|
|
|
|
|
|
|
|
|
Kong Fah Tee and Sayedali Mostofizadeh
The main aim of this paper is to review recent studies over the past 10 years investigating the influencing factors for improving the mechanical properties of concrete. This focuses on concrete comprising of pozzolanic materials, partially or entirely re...
ver más
|
|
|
|
|
|
|
|
|
|
|
Tiago Trigo, Inês Flores-Colen, Luís Silva, Nuno Vieira, Ana Raimundo and Giovanni Borsoi
The production of Portland cement (OP) is commonly associated to significant level of energy consumption and gas emissions. The use of calcium sulfoaluminate cement (CSA) can be a sustainable alternative binder, since its production releases about half o...
ver más
|
|
|
|
|
|
|
|
|
|
|
Jaehyun Lee, Taegyu Lee, Hyeonggil Choi and Dong-Eun Lee
There have been many studies on the effect of durability and compressive strength on the increase of the mixing rate of admixtures. However, there is no research that can provide a guide on the optimal mixture proportions for maintaining compressive stre...
ver más
|
|
|
|
|
|
|
|
|
|
|
Taegyu Lee and Jaehyun Lee
The mixing proportions of concrete were examined with regard to the durability performance and early strength in coastal areas. Research was conducted to improve the C24 mix (characteristic strength of 24 MPa). C35 concrete (characteristic strength of 35...
ver más
|
|
|
|
|
|
|
|
|
|
|
Taewan Kim, Sungnam Hong, Ki-Young Seo and Choonghyun Kang
This study applies a new method of mixing colloidal nano-silica (CNS). Previous studies have used powdered nano-silica or colloidal nano-silica and applied a binder weight substitution method. In this study, we tried to use ordinary Portland cement (OPC)...
ver más
|
|
|
|
|
|
|
|
|
|
|
Muhammad Rasyad Tahir Dalimunthe,Melloukey Ardan
Pág. 19 - 26
Kondisi lapis permukaan suatu ruas jalan dengan menggunakan perkerasan lentur.memiliki masalah dalam kerusakanya, yang penyebab utamanya berhubungan dengan kualitas bahan pendukungnya antara lain aspal dan agregat. Kerusakan akan cepat terjadi jika perke...
ver más
|
|
|
|
|
|
|
|
|
|
|
Emmanuel Jobard, Jérôme Sterpenich, Jacques Pironon, Jérôme Corvisier and Aurélien Randi
In the framework of CO2 geological storage, one of the critical points leading to possible important CO2 leakage is the behaviour of the different interfaces between the rocks and the injection wells. This paper discussed the results from an experimental...
ver más
|
|
|
|
|
|
|
|
|
|
|
Weijing Yao, Jianyong Pang and Yushan Liu
Grouting technology is widely applied in the fields of geotechnical engineering in infrastructure. Loose sand and sandy soil are common poor soils in tunnel and foundation treatments. It is necessary to use superfine cement slurry grouting in the micro-c...
ver más
|
|
|
|
|
|
|
|
|
|
|
Weijing Yao, Jianyong Pang and Yushan Liu
Grouting technology is widely applied in the fields of geotechnical engineering in infrastructure. Loose sand and sandy soil are common poor soils in tunnel and foundation treatments. It is necessary to use superfine cement slurry grouting in the micro-c...
ver más
|
|
|
|
|
|
|
|
|
|
|
Walter Roldán Latorre, Jorge Garcés Arroyo
Pág. 296 - 303
Through a very simple washing process with water, the unburned carbon is separated and removed from the fly ash. In this work, mixtures of mortar with 30% Portland cement replacement are made by different additions: integral fly ash (obtained from thermo...
ver más
|
|
|
|
|
|
|
|
|
|
|
Orhan Karpuz, Muhammet Vefa Akpinar, Metin Mutlu Aydin
Pág. 126 - 132
In this research, effects of fine aggregate abrasion resistance and its fineness module on wear resistance of Portland cement concrete pavements studied. Concrete samples included fine crushed limestone aggregate, fine crushed limestone-basalt mixture, a...
ver más
|
|
|
|
|
|
|
|
|
|
|
Alessandra Mobili, Alberto Belli, Chiara Giosuè, Antonio Telesca, Milena Marroccoli and Francesca Tittarelli
This paper deals with the study of calcium sulfoaluminate (CSA) and geopolymeric (GEO) binders as alternatives to ordinary Portland cement (OPC) for the production of more environmentally-friendly construction materials. For this reason, three types of m...
ver más
|
|
|
|
|
|
|
|
|
|
|
Lorien Nesbitt and Michael J. Meitner
Do urban residents experience societal benefits derived from urban forests equitably? We conducted a broad-scale spatial analysis of the relationship between urban greenery and socioeconomic factors in the Portland metropolitan area. The Normalized Diffe...
ver más
|
|
|
|
|
|