<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>0012-7353</journal-id>
<journal-title><![CDATA[DYNA]]></journal-title>
<abbrev-journal-title><![CDATA[Dyna rev.fac.nac.minas]]></abbrev-journal-title>
<issn>0012-7353</issn>
<publisher>
<publisher-name><![CDATA[Universidad Nacional de Colombia]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S0012-73532020000200042</article-id>
<article-id pub-id-type="doi">10.15446/dyna.v87n213.82655</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Factorial design of reactive concrete powder containing electric arc slag furnace and recycled glass powder]]></article-title>
<article-title xml:lang="es"><![CDATA[Diseño factorial de concretos de polvos reactivos conteniendo escoria de arco eléctrico y polvo de vidrio reciclado]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Abellán-García]]></surname>
<given-names><![CDATA[Joaquín]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Núñez-López]]></surname>
<given-names><![CDATA[Andrés]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Torres-Castellanos]]></surname>
<given-names><![CDATA[Nancy]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fernández-Gómez]]></surname>
<given-names><![CDATA[Jaime]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Politécnica de Madrid Facultad de Ingeniería Civil ]]></institution>
<addr-line><![CDATA[Madrid ]]></addr-line>
<country>Spain</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,I&amp;D, Cementos Argos SA  ]]></institution>
<addr-line><![CDATA[Medellín ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Escuela Colombiana de Ingeniería Julio Garavito Facultad de Ingeniería Civil ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad Politécnica de Madrid Departamento Ingeniería civil y Construcción ]]></institution>
<addr-line><![CDATA[Madrid ]]></addr-line>
<country>Spain</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2020</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2020</year>
</pub-date>
<volume>87</volume>
<numero>213</numero>
<fpage>42</fpage>
<lpage>51</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S0012-73532020000200042&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S0012-73532020000200042&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S0012-73532020000200042&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract The main objective of this research is to develop an optimized mixture of reactive powder concrete (RPC) containing supplementary cementitious materials (SCM), such as Electric Arc Slag Furnace (EASF), and Recycled Glass Powder (RGP) among others, through a factorial design. Accurate polynomial regressions were adjusted between considered factors and obtained responses such spread flow and compressive strength at different ages of the concrete. A multi-objective algorithm was executed to reach an eco-friendly mixture with the proper flow, the highest compressive strength, while simultaneously having the minimum content of cement. The experimental verification of this mathematical optimization demonstrated that the use of 621 kg/m3 of ASTM Type HE cement, with a maximum content of 100 kg/m3 of silica fume, should be considered the most appropriate amount to be employed in the RCP mixture to achieve a value of compressive strength over 150 MPa and a self-compacting mixture.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El objetivo principal de esta investigación es desarrollar una mezcla optimizada de concreto de polvos reactivos (RPC) que contenga materiales cementícios suplementarios (SCM), como la escoria siderúrgica de arco eléctrico (EASF) y el polvo de vidrio reciclado (RGP) entre otros, utilizando el diseño factorial. Se calcularon diferentes regresiones polinómicas para predecir con precisión las variables respuesta (flujo estático y resistencia a compresión a distintas edades) en función de los factores considerados. A través de un algoritmo multiobjetivo, se determinó la mezcla que alcance la resistencia y flujo estático adecuados con un contenido mínimo de cemento. La verificación experimental de esta optimización matemática mostró que con 621 kg/m3 de cemento ASTM Tipo HE, y un contenido máximo de 100 kg/m3 de humo de sílice, se puede alcanzar una resistencia a compresión superior a los 150 MPa en un concreto, además, autocompactante.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[RPC]]></kwd>
<kwd lng="en"><![CDATA[sustainability]]></kwd>
<kwd lng="en"><![CDATA[EASF]]></kwd>
<kwd lng="en"><![CDATA[RGP]]></kwd>
<kwd lng="en"><![CDATA[compressive strength]]></kwd>
<kwd lng="en"><![CDATA[RSM]]></kwd>
<kwd lng="en"><![CDATA[optimization]]></kwd>
<kwd lng="es"><![CDATA[RPC]]></kwd>
<kwd lng="es"><![CDATA[sostenibilidad]]></kwd>
<kwd lng="es"><![CDATA[EASF]]></kwd>
<kwd lng="es"><![CDATA[RGP]]></kwd>
<kwd lng="es"><![CDATA[resistencia a compresión]]></kwd>
<kwd lng="es"><![CDATA[RSM]]></kwd>
<kwd lng="es"><![CDATA[Optimización]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<label>[1]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Richard]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Cheyrezy]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Composition of reactive powder concretes]]></article-title>
<source><![CDATA[Cem. Concr. Res]]></source>
<year>1995</year>
<volume>25</volume>
<numero>7</numero>
<issue>7</issue>
<page-range>1501-11</page-range></nlm-citation>
</ref>
<ref id="B2">
<label>[2]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Song]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Liu]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Properties of reactive powder concrete and its application in highway bridge]]></article-title>
<source><![CDATA[Adv. Mater. Sci. Eng]]></source>
<year>2016</year>
<volume>2016</volume>
</nlm-citation>
</ref>
<ref id="B3">
<label>[3]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Abbas]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Nehdi]]></surname>
<given-names><![CDATA[M.L.]]></given-names>
</name>
<name>
<surname><![CDATA[Saleem]]></surname>
<given-names><![CDATA[M.A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Ultra-High performance concrete: mechanical performance, durability, sustainability and implementation challenges]]></article-title>
<source><![CDATA[Int. J. Concr. Struct. Mater]]></source>
<year>2016</year>
<volume>10</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>271-95</page-range></nlm-citation>
</ref>
<ref id="B4">
<label>[4]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Jammes]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Cespedes]]></surname>
<given-names><![CDATA[X.]]></given-names>
</name>
<name>
<surname><![CDATA[Resplendino]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Design of Offshore wind turbines, RILEM-fib-AFGC Int. Symp. Ultra-High Perform. Fibre-Reinforced Concr]]></article-title>
<source><![CDATA[UHPFRC]]></source>
<year>2013</year>
<numero>1</numero>
<issue>1</issue>
<page-range>443-52</page-range></nlm-citation>
</ref>
<ref id="B5">
<label>[5]</label><nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Tagnit-Hamou]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Soliman]]></surname>
<given-names><![CDATA[N.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Omran]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<source><![CDATA[Green Ultra-high-performance glass concrete]]></source>
<year>2016</year>
<volume>3</volume>
<numero>1</numero>
<conf-name><![CDATA[ First International Interactive Symposium on UHPC]]></conf-name>
<conf-loc> </conf-loc>
<issue>1</issue>
<page-range>1-10</page-range></nlm-citation>
</ref>
<ref id="B6">
<label>[6]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[De Larrard]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Sedran]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Mixture-proportioning of high-performance concrete]]></article-title>
<source><![CDATA[Cem. Concr. Res]]></source>
<year>2002</year>
<volume>32</volume>
<numero>11</numero>
<issue>11</issue>
<page-range>1699-704</page-range></nlm-citation>
</ref>
<ref id="B7">
<label>[7]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Meng]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
<name>
<surname><![CDATA[Samaranayake]]></surname>
<given-names><![CDATA[V.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Khayat]]></surname>
<given-names><![CDATA[K.H]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Factorial design and optimization of UHPC with lightweight sand]]></article-title>
<source><![CDATA[ACI Mater. J]]></source>
<year>2018</year>
</nlm-citation>
</ref>
<ref id="B8">
<label>[8]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Abdulkareem]]></surname>
<given-names><![CDATA[O.M.]]></given-names>
</name>
<name>
<surname><![CDATA[Ben Fraj]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Bouasker]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Khelidj]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effect of chemical and thermal activation on the microstructural and mechanical properties of more sustainable UHPC]]></article-title>
<source><![CDATA[Constr. Build. Mater]]></source>
<year>2018</year>
<volume>169</volume>
<page-range>567-77</page-range></nlm-citation>
</ref>
<ref id="B9">
<label>[9]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ghanem]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Obeid]]></surname>
<given-names><![CDATA[Y]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The Effect of steel fibers on the rheological and mechanical properties of self compacting concrete]]></article-title>
<source><![CDATA[Eur. Sci. J]]></source>
<year>2015</year>
<volume>11</volume>
<numero>21</numero>
<issue>21</issue>
<page-range>85-98</page-range></nlm-citation>
</ref>
<ref id="B10">
<label>[10]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Li]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
<name>
<surname><![CDATA[Huang]]></surname>
<given-names><![CDATA[Z.]]></given-names>
</name>
<name>
<surname><![CDATA[Zu]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Shi]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Duan]]></surname>
<given-names><![CDATA[W.H.]]></given-names>
</name>
<name>
<surname><![CDATA[Shah]]></surname>
<given-names><![CDATA[S.P]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Influence of Nanolimestone on the hydration, mechanical strength, and autogenous shrinkage of ultrahigh-performance concrete]]></article-title>
<source><![CDATA[J. Mater. Civ. Eng]]></source>
<year>2016</year>
<volume>28</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>1-9</page-range></nlm-citation>
</ref>
<ref id="B11">
<label>[11]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Huang]]></surname>
<given-names><![CDATA[Z.]]></given-names>
</name>
<name>
<surname><![CDATA[Cao]]></surname>
<given-names><![CDATA[F]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Effects of nano-materials on the performance of UHPC]]></article-title>
<source><![CDATA[&#26448;&#26009;&#23548;&#25253; &#30740;&#31350;&#31687;]]></source>
<year>2012</year>
<volume>26</volume>
<numero>9</numero>
<issue>9</issue>
<page-range>136-41</page-range></nlm-citation>
</ref>
<ref id="B12">
<label>[12]</label><nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Camacho]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[López]]></surname>
<given-names><![CDATA[J.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Serna]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
</person-group>
<source><![CDATA[Definition of three levels of performance for UHPFRC-VHPFRC with available materials]]></source>
<year>2012</year>
<conf-name><![CDATA[ Proceedings of Hipermat 2012, 3rd International Symposium on UHPC and Nanotechnology for Construction Materials]]></conf-name>
<conf-loc>Kassel, Germany </conf-loc>
<page-range>249-56</page-range></nlm-citation>
</ref>
<ref id="B13">
<label>[13]</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Camacho-Torregosa]]></surname>
<given-names><![CDATA[E]]></given-names>
</name>
</person-group>
<source><![CDATA[Dosage optimization and bolted connections for UHPFRC ties]]></source>
<year>2013</year>
<publisher-loc><![CDATA[Spain ]]></publisher-loc>
<publisher-name><![CDATA[Polytechnic University of Valencia]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B14">
<label>[14]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Van Tuan]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Ye]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Van Breugel]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Fraaij]]></surname>
<given-names><![CDATA[A.L.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Danh]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The study of using rice husk ash to produce ultra high performance concrete]]></article-title>
<source><![CDATA[Constr. Build. Mater]]></source>
<year>2011</year>
<volume>25</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>2030-5</page-range></nlm-citation>
</ref>
<ref id="B15">
<label>[15]</label><nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Van Tuan]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Ye]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Van Breugel]]></surname>
<given-names><![CDATA[K]]></given-names>
</name>
</person-group>
<source><![CDATA[Mitigation of early age shrinkage of ultra high performance concrete by using rice husk ash]]></source>
<year>2012</year>
<conf-name><![CDATA[ Proceedings of Hipermat 2012, 3rd International Symposium on UHPC and Nanotechnology for Construction Materials]]></conf-name>
<conf-loc> </conf-loc>
<page-range>341-8</page-range></nlm-citation>
</ref>
<ref id="B16">
<label>[16]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Soliman]]></surname>
<given-names><![CDATA[N.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Tagnit-Hamou]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Partial substitution of silica fume with fine glass powder in UHPC: filling the micro gap]]></article-title>
<source><![CDATA[Constr. Build. Mater]]></source>
<year>2017</year>
<volume>139</volume>
<page-range>374-83</page-range></nlm-citation>
</ref>
<ref id="B17">
<label>[17]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Soliman]]></surname>
<given-names><![CDATA[N.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Tagnit-Hamou]]></surname>
<given-names><![CDATA[A]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Using glass sand as an alternative for quartz sand in UHPC]]></article-title>
<source><![CDATA[Constr. Build. Mater]]></source>
<year>2017</year>
<volume>145</volume>
<page-range>243-52</page-range></nlm-citation>
</ref>
<ref id="B18">
<label>[18]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Yu]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Tang]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Spiesz]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Brouwers]]></surname>
<given-names><![CDATA[H.J.H]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A study of multiple effects of nano-silica and hybrid fibres on the properties of Ultra-High Performance Fibre Reinforced Concrete (UHPFRC) incorporating waste bottom ash (WBA)]]></article-title>
<source><![CDATA[Constr. Build. Mater. J]]></source>
<year>2014</year>
<volume>60</volume>
<page-range>98-110</page-range></nlm-citation>
</ref>
<ref id="B19">
<label>[19]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Yu]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Spiesz]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Brouwers]]></surname>
<given-names><![CDATA[H.J.H]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Mix design and properties assessment of Ultra-High Performance Fibre Reinforced Concrete (UHPFRC)]]></article-title>
<source><![CDATA[Cem. Concr. Res]]></source>
<year>2014</year>
<volume>56</volume>
<page-range>29-39</page-range></nlm-citation>
</ref>
<ref id="B20">
<label>[20]</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Funk]]></surname>
<given-names><![CDATA[J.E.]]></given-names>
</name>
<name>
<surname><![CDATA[Dinger]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
</person-group>
<source><![CDATA[Predictive process control of crowded particulate suspensions: applied to ceramic manufacturing]]></source>
<year>1994</year>
<publisher-loc><![CDATA[New York, USA ]]></publisher-loc>
<publisher-name><![CDATA[Springer Science]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B21">
<label>[21]</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Roth]]></surname>
<given-names><![CDATA[T]]></given-names>
</name>
</person-group>
<source><![CDATA[Working with the quality. Tools package]]></source>
<year>2016</year>
</nlm-citation>
</ref>
<ref id="B22">
<label>[22]</label><nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Abellan]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Torres]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Núñez]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Fernández]]></surname>
<given-names><![CDATA[J]]></given-names>
</name>
</person-group>
<source><![CDATA[Influencia del exponente de Fuller, la relación agua conglomerante y el contenido en policarboxilato en concretos de muy altas prestaciones]]></source>
<year>2018</year>
<conf-name><![CDATA[ IVCongreso Internacional de Ingeniería Civil]]></conf-name>
<conf-loc>La Habana, Cuba </conf-loc>
</nlm-citation>
</ref>
<ref id="B23">
<label>[23]</label><nlm-citation citation-type="book">
<collab>ASTM</collab>
<source><![CDATA[Standard test method for flow of hydraulic cement mortar,&#8217; American Society for Testing and Materials C1437]]></source>
<year>2016</year>
<page-range>1-2</page-range><publisher-loc><![CDATA[PA, USA ]]></publisher-loc>
<publisher-name><![CDATA[Conshohocken]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B24">
<label>[24]</label><nlm-citation citation-type="book">
<collab>ASTM</collab>
<source><![CDATA[Standard Test method for compressive strength of hydraulic cement mortars (Using 2-in. or [50-mm] cube specimens),&#8217; American Society for Testing and Materials C109/C109M - 11b]]></source>
<year>2010</year>
<page-range>1-9</page-range><publisher-loc><![CDATA[PA, USA ]]></publisher-loc>
<publisher-name><![CDATA[Conshohocken]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B25">
<label>[25]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lenth]]></surname>
<given-names><![CDATA[R.V]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Response-surface methods in R, using rsm]]></article-title>
<source><![CDATA[J. Stat. Softw]]></source>
<year>2012</year>
<volume>32</volume>
<numero>7</numero>
<issue>7</issue>
<page-range>1-17</page-range></nlm-citation>
</ref>
<ref id="B26">
<label>[26]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Raviselvan]]></surname>
<given-names><![CDATA[R.J.]]></given-names>
</name>
<name>
<surname><![CDATA[Ramanathan]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Perumal]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Thansekhar]]></surname>
<given-names><![CDATA[M.R]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Response surface methodology for optimum hardness of TiN on steel substrate]]></article-title>
<source><![CDATA[Int. J. Chem. Mol. Nucl. Mater. Metall. Eng]]></source>
<year>2015</year>
<volume>9</volume>
<numero>12</numero>
<issue>12</issue>
<page-range>1331-7</page-range></nlm-citation>
</ref>
<ref id="B27">
<label>[27]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ghafari]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Costa]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Nuno]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Santos]]></surname>
<given-names><![CDATA[B]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[RSM-based model to predict the performance of self-compacting UHPC reinforced with hybrid steel micro-fibers]]></article-title>
<source><![CDATA[Constr. Build. Mater]]></source>
<year>2014</year>
<volume>66</volume>
<page-range>375-83</page-range></nlm-citation>
</ref>
<ref id="B28">
<label>[28]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Abellán]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Fernández]]></surname>
<given-names><![CDATA[J.A.]]></given-names>
</name>
<name>
<surname><![CDATA[Torres]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Núñez]]></surname>
<given-names><![CDATA[A.M]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Statistical Optimization of ultra-high-performance glass concrete]]></article-title>
<source><![CDATA[ACI Mater. J]]></source>
<year>2020</year>
<volume>117</volume>
<page-range>243-54</page-range></nlm-citation>
</ref>
<ref id="B29">
<label>[29]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Branchu]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Forbes]]></surname>
<given-names><![CDATA[R.T.]]></given-names>
</name>
<name>
<surname><![CDATA[York]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Nyqvist]]></surname>
<given-names><![CDATA[H.N.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A central composite design to investigate the thermal stabilization of lysozyme]]></article-title>
<source><![CDATA[Pharmaceutical Research]]></source>
<year>1999</year>
<volume>16</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>702-8</page-range></nlm-citation>
</ref>
<ref id="B30">
<label>[30]</label><nlm-citation citation-type="">
<collab>R Core Team, R</collab>
<source><![CDATA[A Language and Environment for Statistical Computing]]></source>
<year>2018</year>
<publisher-loc><![CDATA[Vienna, Austria ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B31">
<label>[31]</label><nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Montgomery]]></surname>
<given-names><![CDATA[D.C]]></given-names>
</name>
</person-group>
<source><![CDATA[Design and analysis of experiments]]></source>
<year>2005</year>
<publisher-loc><![CDATA[New Jersey, USA ]]></publisher-loc>
<publisher-name><![CDATA[John Wiley &amp; Sons, Inc]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B32">
<label>[32]</label><nlm-citation citation-type="book">
<collab>The European Project Group</collab>
<source><![CDATA[The European Guidelines for Self-Compacting Concrete,&#8217; Eur. Guidel. Self Compact]]></source>
<year>2005</year>
<page-range>63</page-range><publisher-name><![CDATA[Concrete]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B33">
<label>[33]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Puertas]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Santos]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Palacios]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Martínez-Ramírez]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Polycarboxylate superplasticiser admixtures: effect on hydration, microstructure and rheological behaviour in cement pastes]]></article-title>
<source><![CDATA[Adv. Cem. Res]]></source>
<year>2005</year>
<volume>17</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>77-89</page-range></nlm-citation>
</ref>
<ref id="B34">
<label>[34]</label><nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kubens]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<source><![CDATA[Interaction of cement and admixtures and its influence on rheological properties]]></source>
<year>2010</year>
<volume>49</volume>
<numero>0</numero>
<issue>0</issue>
<publisher-loc><![CDATA[Göttingen ]]></publisher-loc>
</nlm-citation>
</ref>
<ref id="B35">
<label>[35]</label><nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Derringer]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Suich]]></surname>
<given-names><![CDATA[R]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Simultaneous Optimization of several response variables]]></article-title>
<source><![CDATA[J. Qual. Technol]]></source>
<year>1980</year>
<volume>21</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>214-9</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
