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                                    fifffflffifl%u001a%u0019%u0018%u0017%u0016fi%u0015%u0014%u0013%u0012%u0011%u0010 ffifi%u0015%u0014%u0013%u0012%u0011%u0010 %u001afi%u0015%u0014%u0013%u0012%u0011%u0010 fi%u0015%u0014%u0013%u0012%u0011%u0010 ffifi%u0015%u0014%u0013%u0012%u0011%u0010 %u001afi%u0015%u0014%u0013%u0012%u0011%u0010fi%u000ffl%u001a%u0014%u000e%u000c fi%u000f%u0019fi%u0014%u0012%u0011%u000b%u0009%u0008%u0007%u0006%u0005%u0004%u0005%u0006%u0003%u0014%u0001%u0001%u0008fi%u000f%u001a%u0081%u0014fifffflffifl%u001afi%u001afffi%u0019%u0018%u0017%u0016%u0015%u0014 %u0013fi%u0019%u0018%u0017%u0016%u0015%u0014 %u0012fi%u0019%u0018%u0017%u0016%u0015%u0014 fi%u0019%u0018%u0017%u0016%u0015%u0014 %u0013fi%u0019%u0018%u0017%u0016%u0015%u0014 %u0012fi%u0019%u0018%u0017%u0016%u0015%u0014fi%u0011ffl%u0012%u0018%u0010%u000f%u000e fi%u0011ffifi%u0018%u0016%u0015%u000c%u000b%u000b%u0009%u0008%u0007%u0006%u0018%u0005%u0019%u0004%u6df7%u51dd%u571f%u6280%u672f32 CPI %u2013 %u56fd%u9645%u6df7%u51dd%u571f%u751f%u4ea7%u5382 %u2013 5 | 2025 www.cpi-worldwide.com%u56fe 6%uff1a%u786c%u5316%u6df7%u51dd%u571f 28 %u5929%u5438%u6c34%u7387 %u56fe 7%uff1a%u786c%u5316%u6df7%u51dd%u571f 28 %u5929%u5438%u6c34%u5b54%u9699%u7387%u6240%u6709%u5b54%u9699%u7387%u503c%u4e4b%u95f4%u5747%u672a%u89c2%u5bdf%u5230%u663e%u8457%u5dee%u5f02%u3002%u56fe 7 %u4e2d%u91cd%u53e0%u7684%u8bef%u5dee%u68d2%u8fdb%u4e00%u6b65%u8bc1%u5b9e%u4e86%u8fd9%u4e00%u73b0%u8c61%u3002WSI %u6d4b%u8bd5%u7ed3%u679c%u901a%u5e38%u5177%u6709%u8f83%u5927%u7684%u79bb%u6563%u6027%uff0c%u9274%u4e8e%u6b64%uff0c%u672c%u7814%u7a76%u4e2d%u83b7%u5f97%u7684%u6240%u6709 WSI %u7ed3%u679c%u53ef%u89c6%u4e3a%u7b49%u6548%uff0c%u8fd9%u8bc1%u5b9e%u4e86%u4e0a%u8ff0%u89c2%u5bdf%u5230%u7684%u8d8b%u52bf%uff0c%u5373 fRCA %u7684%u6dfb%u52a0%u5bf9%u6df7%u51dd%u571f%u7684%u53ef%u6e17%u900f%u5b54%u9699%u7ed3%u6784%u6ca1%u6709%u4ea7%u751f%u8d1f%u9762%u5f71%u54cd%u3002%u89c2%u6d4b%u5230%u7684%u5b54%u9699%u7387%u503c%u8868%u660e%uff1a%u2022 0.60 %u6c34%u80f6%u6bd4%u6df7%u51dd%u571f%uff08%u5b54%u9699%u7387 10%-12%%uff09%u7684%u6027%u80fd%u53ef%u8bc4%u5b9a%u4e3a \%u2022 0.45 %u6c34%u80f6%u6bd4%u6df7%u51dd%u571f%uff08%u5b54%u9699%u7387 <10%%uff09%u7684%u6027%u80fd%u53ef%u8bc4%u5b9a%u4e3a \%u826f%u597d%u81f3%u4f18%u5f02 \%u6240%u6709%u89c2%u6d4b%u5230%u7684%u5438%u6c34%u7387%u503c%u8868%u660e%u6df7%u51dd%u571f%u6027%u80fd%u4ecb%u4e8e \%u597d \[10]%u3002%u56e0%u6b64%uff0c%u5c3d%u7ba1%u5b58%u5728%u591a%u5b54 HCP %u76f8%uff0c%u542b fRCA %u7684%u6df7%u51dd%u571f%u4ecd%u8868%u73b0%u51fa%u4e0e%u57fa%u51c6%u914d%u5408%u6bd4%u76f8%u5f53%u7684%u826f%u597d%u8010%u4e45%u6027%u80fd%u3002%u7ed3%u8bba%u672c%u7814%u7a76%u901a%u8fc7%u5b9e%u9a8c%u63a2%u8ba8%u4e86%u4ee5%u6700%u5927%u7c92%u5f84 1.18 mm %u7684%u7ec6%u518d%u751f%u6df7%u51dd%u571f%u9aa8%u6599 (fRCA) %u66ff%u4ee3%u5929%u7136%u6c99%u4e18%u7802%u5bf9%u6df7%u51dd%u571f%u65b0%u62cc%u548c%u786c%u5316%u6027%u80fd%u7684%u5f71%u54cd%uff0c%u4e3b%u8981%u7ed3%u8bba%u5982%u4e0b%uff1a1. %u5de5%u4f5c%u6027%u80fd%u5f71%u54cd%u2022 fRCA %u66ff%u4ee3%u7387%u589e%u52a0%u4f1a%u5bfc%u81f4%u6df7%u51dd%u571f%u5de5%u4f5c%u6027%u964d%u4f4e%u2022 %u8be5%u5f71%u54cd%u53ef%u901a%u8fc7%u4f7f%u7528%u9ad8%u6548%u51cf%u6c34%u5242%u6709%u6548%u62b5%u6d882. %u529b%u5b66%u4e0e%u8010%u4e45%u6027%u80fd%u2022 %u4e24%u79cd%u6c34%u80f6%u6bd4%u4e0b%uff0c%u5404%u66ff%u4ee3%u7387%u6df7%u51dd%u571f%u7684%u6297%u538b%u5f3a%u5ea6%u4e0e%u8010%u4e45%u6027%u6d4b%u8bd5%u7ed3%u679c%u5747%u5177%u6709%u53ef%u6bd4%u6027%u2022 %u8868%u660e%u6309%u8d28%u91cf%u8ba1%u66ff%u4ee3%u7ec6%u9aa8%u6599%u8fbe 50%%uff08%u5373%u5b8c%u5168%u53d6%u4ee3%u7ec6%u9aa8%u6599%u4e2d%u7684%u6c99%u4e18%u7802%u7ec4%u5206%uff09%u5bf9%u786c%u5316%u6df7%u51dd%u571f%u6027%u80fd%u5f71%u54cd%u6709%u96503. %u5de5%u7a0b%u5e94%u7528%u4ef7%u503c%u2022 %u8bc1%u5b9e fRCA %u53ef%u4f5c%u4e3a%u7ed3%u6784%u6df7%u51dd%u571f%u751f%u4ea7%u7684%u53ef%u884c%u66ff%u4ee3%u6750%u6599 %u25a0%u53c2%u8003%u6587%u732e[1.] Peduzzi, P.: Sand, rarer than one thinks. Environmental Development 11, 208-218 (2014).[2.] UNEP. Sand and sustainability: 10 strategic recommendations to avert a crisis. United Nations Environment Programme, Geneva, Switzerland (2022). [3.] Nedeljkovic, M., Visser, J., Savija, B., Valcke, S., Schlangen, E.: Use of fine recycled concrete aggregates in concrete: A critical review. Journal of Building Engineering 38, 102196 (2021).[4.] Angulo, S., Ulsen, C., John, V., Kahn, H., Cincotto, M.: Chemical-mineralogical charac-terization of C&D waste recycled aggregates from S%u00e3o Paulo, Brazil. Waste Manage-ment 29(2), 721-730 (2009).[5.] Poon, C.S., Shui, Z.H., Lam, L., Fok, H., Kou, S.C.: Influence of moisture states of natural and recycled aggregates on the slump and compressive strength of concrete. Cement and Concrete Research 34(1), 31-36 (2004).[6.] Sosa, M., Villagran Zaccardi, Y., Zega, C.: A critical review of the resulting effective water-tocement ratio of fine recycled aggregate concrete. Construction and Building Materials 313, 125536 (2021).[7.] Evangelista, L., de Brito, J.: Mechanical behaviour of concrete made with fine recycled concrete aggregates. Cement & Concrete Composites 29, 397-401 (2007).[8.] Tam, V., Tam, C.: Diversifying two-stage mixing approach (TSMA) for recycled aggregate concrete: TSMAs and TSMAsc. Construction and Building Materials 22(10), 2068-2077 (2008). [9.] Pereira, P., Evangelista, L., de Brito, J.: The effect of superplasticizers on the workability and compressive strength of concrete made with fine recycled concrete aggregates. Construction and Building Materials 28, 722-729 (2012).[10.]Moore, A., Bakera, A., Alexander, M.: A critical review of the Water Sorptivity Index (WSI)parameter for potential durability assessment: Can WSI be considered inisolation of porosity? Journal of the South African Institution of Civil Engineering 63(2), 27-34 (2021). 
                                
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