@incollection{, 9B4BD812AF58E144AB3D2E895AB2F8CD , author={{AtefBadr} and {University of Portsmouth}}, journal={{Global Journal of Researches in Engineering}}, journal={{GJRE}}2249-45960975-586110.34257/gjre, address={Cambridge, United States}, publisher={Global Journals Organisation}1641323 } @incollection{b0, , title={{Guide to Shotcrete}} , journal={{ACI Manual of Practice, Part}} 506 , year={2005} , note={ACI Committee} } @incollection{b1, , title={{Advancements in shotcrete technology, Structural Studies, Repairs and Maintenance of Heritage Architecture}} , author={{ GBernardo } and { AGuida } and { IMecca }} , journal={{XIV, WIT Transactions on The Built Environment}} 153 , year={2015} } @incollection{b2, , title={{Early-Age Strength Measurement of Shotcrete}} , author={{ AMohajerani } and { DRodrigues } and { CRicciuti } and { CWilson }} , journal={{Journal of Materials}} , year={2015. 2015} } @incollection{b3, , title={{Performance of Monofilament & Fibrillated Polypropylene FRC}} , author={{ ABadr } and { IGRichardson } and { JJBrooks }} , booktitle={{2nd 12 Intl Conf Engineering Materials}} San Jose, CA, U.S.A. , year={2001. August 16-19} 1 } @incollection{b4, , title={{Evaluation of engineering properties for polypropylene fiber reinforced concrete}} , author={{ PAPatel } and { AKDesai } and { KADesai }} , journal={{International Journal of Advanced Engineering Technology}} 3 1 , year={2012} } @incollection{b5, , title={{Flexural Behaviour of Polypropylen Fibres-Reinforced Concrete Beams}} , author={{ AGhallab } and { ABadr }} , journal={{Housing & Building National Research Centre (HBRC) Journal, Egypt}} 2 3 , year={2006} } @incollection{b6, , title={{Ductility Performance of Concrete with Dramix Steel Micro-reinforcement}} , author={{ SEswari } and { PNRaghunath } and { KSuguna }} , booktitle={{Advances in Natural and Applied Sciences}} , year={2008} 2 } @incollection{b7, , title={{Fatigue of High-Strength Fibre-Reinforced Concrete}} , author={{ ABadr }} , journal={{Indian Journal of Engineering & Materials Sciences}} 27 5 , year={2007} } @incollection{b8, , title={{Steel-fibre reinforced concrete for elements failing in bending and in shear}} , author={{ JABarros } and { LALourenço } and { FSoltanzadeh } and { MTaheri }} , journal={{European Journal of Environmental and Civil Engineering}} 1 , year={2014} } @incollection{b9, , title={{Comparative evaluation of virgin and recycled polypropylene fibre reinforced concrete}} , author={{ SYin } and { RTuladhar } and { JRiella } and { DChung } and { TCollister } and { MCombe } and { NSivakugan }} , journal={{Construction and Building Materials}} 114 , year={2016} } @incollection{b10, , title={{Variability of Compressive Strength of Shotcrete in a Tunnel-Lining Project}} , author={{ DBeauprè } and { JFDufour } and { JHutter } and { MJolin }} , journal={{Shotcrete, V}} 5 2 , year={2005} } @book{b11, , title={{Shotcrete design and installation compliance testing: early strength, load capacity, toughness, adhesion strength, and applied quality}} , author={{ Niosh }} , year={2014. 2015-107} , note={Martin et al. edit, National Institute for Occupational Safety and Health, Publication No. RI 9697} } @incollection{b12, , title={{Rebound and Composition of in-Situ Polypropylene Fibre-Reinforced Shotcrete}} , author={{ ABadr } and { JJBrooks }} , booktitle={{11th 6 Intl Conf Durability of Building Materials & Components, 11DBMC}} Istanbul, Turkey , year={2008. May} 1 } @incollection{b13, , title={{Variability of Compressive Strength of Shotcrete in a Tunnel-Lining Project}} , author={{ LZhang }} , journal={{Shotcrete, V}} 14 4 , year={2014} } @book{b14, , title={{Fly Ash and Silica Fume for Green Shotcrete}} , author={{ ABadr } and { RSarsby } and { TMeggyes }} , year={2010} , publisher={Taylor & Francis Group} , note={Construction for a Sustainable Environment} } @incollection{b15, , title={{Distributions of Compressive Strength Obtained from Various Diameter Cores}} , author={{ AOCelik } and { KFKilinc } and { MTuncan } and { ATuncan }} , journal={{ACI Materials Journal}} 109 6 , year={2012. 2012} } @incollection{b16, , title={{Proposal of a methodology for assessing the reliability of in situ concrete tests and improving the estimate of the compressive strength}} , author={{ GUva } and { FPorco } and { AFiore } and { MMezzina }} , booktitle={{Construction and Building Materials}} , year={2013} 38 } @incollection{b17, , title={{Evaluation of Strength Test Results of Concrete}} ACI 214 R-02 , journal={{ACI Manual of Concrete Practice, Part}} 214 , year={2010} , note={ACI Committee} } @book{b18, , title={{Assessment of in situ compressive strength in structures and precast concrete components}} , author={{ Bs En 13791 }} , year={2007} , publisher={European Committee for Standardization} , address={London. UK.} } @incollection{b19, , title={{Guide for Obtaining Cores and Interpreting Compressive Strength Results}} , journal={{ACI Committee}} 214 , year={2003} , note={ACI Manual of Concrete Practice, Part 1, ACI 214} } @incollection{b20, , title={{Obtaining and testing drilled cores and sawed beams of concrete}} , author={{ Astm }} , journal={{ASTM}} 42 , year={2000} } @book{b21, , title={{Method for determination of the compressive strength of concrete cores}} BS 1881-Part 120 , year={1983} , publisher={British Standards Institution} , address={London. UK.} } @incollection{b22, , title={{Volume XVI Issue IV Version I Examining and Testing in Compression}} BS EN 12504-1 , journal={{Global Journal of Researches in Engineering}} , year={2009} , note={European Committee for Standardization} } @incollection{b23, , title={{Concrete core testing for strength}} , booktitle={{The Concrete Society}} London, UK , year={1976} 44 , note={Technical Report} } @book{b24, , title={{Core Tests: Easy to Perform, Not Easy to Interpret}} , author={{ AMNeville }} , year={2001. Nov. 2001} 23 , note={Concrete International} } @incollection{b25, , title={{Compressive Strength of Concrete Cores with Different Lengths}} , author={{ XChen } and { SWu } and { JZhou }} , journal={{Journal of Materials in Civil Engineering}} 26 7 , year={2014a} , note={ASCE} } @incollection{b26, , title={{Variability of Compressive Strength of Concrete Cores}} , author={{ XChen } and { SWu } and { JZhou }} , journal={{Journal of Performance of Constructed Facilities}} 28 4 , year={2014b} , note={ASCE} } @incollection{b27, , title={{Rion-Antirion bridge project -concrete durability for prevention of corrosion risks}} , author={{ FCussigh } and { VBonnard } and { CCarde } and { OHoudusse }} , booktitle={{International Conference on Concrete Under Severe Conditions (CONSEC'07)}} , editor={ Toutlemonde } Tours, France , year={2007} } @incollection{b28, , title={{Experimental investigation of the variability of concrete durability properties}} , author={{ AAït-Mokhtara } and { RBelarbia } and { FBenboudjemab } and { NBurlionc } and { BCaprad }} , journal={{Cement and Concrete Research}} 45 , year={2013} } @book{b29, , title={{Concrete Mix Design, Quality Control and Specification}} , author={{ KWDay } and { JAldred } and { BHudson }} , year={2013} , publisher={CRC Press} , address={USA} , note={4 th 22 Edition} } @incollection{b30, , title={{Some Statistical Considerations of Steel Fibre Reinforced Composites}} , author={{ RNSwamy } and { HStavrides }} , journal={{Cement and Concrete Research}} 6 2 , year={1976} } @incollection{b31, , title={{Survey of practice to determine strength of in situ concrete from core tests}} , author={{ JHanson }} , journal={{Journal of Performance of Constructed Facilities}} 21 22 , year={2007} , note={ASCE} } @incollection{b32, , title={{Sample size for determining in situ strength of concrete in structures}} , author={{ YCKog }} , journal={{Magazine of Concrete Research}} 64 11 , year={2012} } @incollection{b33, , title={{Rebound hammer, pulse velocity, and core tests in self-consolidating concrete}} , author={{ LRojas-Henao } and { JFernandez-Gomez } and { JCLopez-Agui }} , journal={{ACI Mater. J}} 109 2 , year={2012} } @incollection{b34, , title={{Statistical analysis of concrete compressive strengths for California highway bridges}} , author={{ CUnanwa } and { MMahan }} , journal={{Journal of Performance of Constructed Facilities}} , year={2014} , publisher={ASCE} } @incollection{b35, , title={{On the variability of concrete strength as a source of irregularity in elevation for existing RC buildings: a case study}} , author={{ MDe Stefano } and { Tanganelli } and { SViti }} , journal={{Bull Earthquake Eng}} 11 , year={2013} } @incollection{b36, , title={{Statistical Variations in Impact Resistance of Polypropylene Fibre-Reinforced Concrete}} , author={{ ABadr } and { AFAshour } and { AKPlatten }} , journal={{International Journal of Impact Engineering}} 32 11 , year={2006} , publisher={Elsevier} } @book{b37, , title={{Statistics for Experimenters Design, Innovation, and Discovery}} , author={{ GE PBox } and { JSHunter } and { WGHunter }} , year={2005} , publisher={Wiley & Sons Inc} , address={USA} , note={2nd Edition} } @book{b38, , title={{Probability & Statistics for Engineers & Scientists}} , author={{ REWalpole } and { RHMyers } and { SLMyers } and { KYe }} , year={2007} , publisher={Pearson-Prentice Hall} 848 pp , address={London, UK} , note={eighth edition} } @book{b39, , title={{The Britannica Guide to Statistics and Probability}} , author={{ EGregersen }} , year={2010} , publisher={Rosen Educational Services} 17 333 , address={New York} , note={First edition} } @book{b40, , title={{European Federation of Producers and Applicators of Specialist Products for Structures}} , year={1996} , address={Aldershot, UK} EFNARC Sprayed Concrete Technical Committee , note={European specification for sprayed concrete} } @incollection{b41, , title={{Volume XVI Issue IV Version I}} , journal={{Global Journal of Researches in Engineering}} }