{"id":"https://openalex.org/W7156333340","doi":"https://doi.org/10.1007/s43621-026-03128-6","title":"Mechanical and durability properties of M sand based hybrid fibre reinforced binary blended geopolymer concrete under ambient curing","display_name":"Mechanical and durability properties of M sand based hybrid fibre reinforced binary blended geopolymer concrete under ambient curing","publication_year":2026,"publication_date":"2026-04-27","ids":{"openalex":"https://openalex.org/W7156333340","doi":"https://doi.org/10.1007/s43621-026-03128-6"},"language":"en","primary_location":{"id":"doi:10.1007/s43621-026-03128-6","doi":"https://doi.org/10.1007/s43621-026-03128-6","is_oa":true,"landing_page_url":"https://doi.org/10.1007/s43621-026-03128-6","pdf_url":"https://link.springer.com/content/pdf/10.1007/s43621-026-03128-6.pdf","source":{"id":"https://openalex.org/S4210179043","display_name":"Discover Sustainability","issn_l":"2662-9984","issn":["2662-9984"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","jufo-1","norway-1","poland-20","vabb-shw"],"host_organization":"https://openalex.org/P4310319965","host_organization_name":"Springer Nature","host_organization_lineage":["https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Nature"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Discover Sustainability","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref","doaj"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://link.springer.com/content/pdf/10.1007/s43621-026-03128-6.pdf","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5120063681","display_name":"Anil Kumar Haridgeri Manahala","orcid":"https://orcid.org/0000-0002-7144-9505","observed_orcids":["https://orcid.org/0000-0002-7144-9505"]},"institutions":[{"id":"https://openalex.org/I4405264803","display_name":"Ballari Institute of Technology & Management","ror":"https://ror.org/030q65m40","country_code":"IN","type":"education","lineage":["https://openalex.org/I4405264803"]},{"id":"https://openalex.org/I65674248","display_name":"Visvesvaraya Technological University","ror":"https://ror.org/00ha14p11","country_code":"IN","type":"education","lineage":["https://openalex.org/I65674248"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"H. M. Anil Kumar","raw_affiliation_strings":["Department of Civil Engineering, Ballari Institute of Technology and Management Ballari, Ballari, Karnataka, 583104, India","Department of Civil Engineering, Rao Bahadur Y Mahabaleshwarappa Engineering College, Ballari, Karnataka, 583104, India","Visvesveraya Technological University(VTU), Belagavi, Karnataka, 590018, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Civil Engineering, Ballari Institute of Technology and Management Ballari, Ballari, Karnataka, 583104, India","institution_ids":["https://openalex.org/I4405264803"]},{"raw_affiliation_string":"Department of Civil Engineering, Rao Bahadur Y Mahabaleshwarappa Engineering College, Ballari, Karnataka, 583104, India","institution_ids":[]},{"raw_affiliation_string":"Visvesveraya Technological University(VTU), Belagavi, Karnataka, 590018, India","institution_ids":["https://openalex.org/I65674248"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5033708728","display_name":"B. Suguna Rao","orcid":"https://orcid.org/0000-0001-5139-7325","observed_orcids":["https://orcid.org/0000-0001-5139-7325"]},"institutions":[{"id":"https://openalex.org/I4405255153","display_name":"Ramaiah Institute of Technology","ror":"https://ror.org/02nyr4y94","country_code":"IN","type":"education","lineage":["https://openalex.org/I4405255153"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"B. Suguna Rao","raw_affiliation_strings":["Department of Civil Engineering, M.S. Ramaiah Institute of Technology, Bengaluru, Karnataka, 560054, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Civil Engineering, M.S. Ramaiah Institute of Technology, Bengaluru, Karnataka, 560054, India","institution_ids":["https://openalex.org/I4405255153"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5047993165","display_name":"A. Ranjith","orcid":"https://orcid.org/0000-0002-2614-0242","observed_orcids":["https://orcid.org/0000-0002-2614-0242"]},"institutions":[{"id":"https://openalex.org/I1333540553","display_name":"Nitte University","ror":"https://ror.org/029nydt37","country_code":"IN","type":"education","lineage":["https://openalex.org/I1333540553"]}],"countries":["IN"],"is_corresponding":true,"raw_author_name":"Ranjith A.","raw_affiliation_strings":["Nitte (Deemed to Be University), NMAM Institute of Technology (NMAMIT),Nitte, Department of Civil Engineering, Mangalore, Karnataka, 574110, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Nitte (Deemed to Be University), NMAM Institute of Technology (NMAMIT),Nitte, Department of Civil Engineering, Mangalore, Karnataka, 574110, India","institution_ids":["https://openalex.org/I1333540553"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5134739898","display_name":"M. B. Sreenivasa","orcid":"https://orcid.org/0009-0002-8979-3571","observed_orcids":["https://orcid.org/0009-0002-8979-3571"]},"institutions":[{"id":"https://openalex.org/I65674248","display_name":"Visvesvaraya Technological University","ror":"https://ror.org/00ha14p11","country_code":"IN","type":"education","lineage":["https://openalex.org/I65674248"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"M. B. Sreenivasa","raw_affiliation_strings":["Centre for PG Studies, Visvesraya Technological University, Mysuru, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Centre for PG Studies, Visvesraya Technological University, Mysuru, India","institution_ids":["https://openalex.org/I65674248"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5134733394","display_name":"M. S. Shobha","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I65674248","display_name":"Visvesvaraya Technological University","ror":"https://ror.org/00ha14p11","country_code":"IN","type":"education","lineage":["https://openalex.org/I65674248"]}],"countries":["IN"],"is_corresponding":false,"raw_author_name":"M. S. Shobha","raw_affiliation_strings":["Department of Civil Engineering, Rao Bahadur Y Mahabaleshwarappa Engineering College, Ballari, Karnataka, 583104, India","Visvesveraya Technological University(VTU), Belagavi, Karnataka, 590018, India"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Civil Engineering, Rao Bahadur Y Mahabaleshwarappa Engineering College, Ballari, Karnataka, 583104, India","institution_ids":[]},{"raw_affiliation_string":"Visvesveraya Technological University(VTU), Belagavi, Karnataka, 590018, India","institution_ids":["https://openalex.org/I65674248"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5121578654","display_name":"B. O. Naveen","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I57092466","display_name":"Bahir Dar University","ror":"https://ror.org/01670bg46","country_code":"ET","type":"education","lineage":["https://openalex.org/I57092466"]}],"countries":["ET"],"is_corresponding":true,"raw_author_name":"B. O. Naveen","raw_affiliation_strings":["Faculty of Civil and Water Resources Engineering, Bahir Dar Institute of Technology, Bahir Dar University, Bahir Dar, Ethiopia"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Faculty of Civil and Water Resources Engineering, Bahir Dar Institute of Technology, Bahir Dar University, Bahir Dar, Ethiopia","institution_ids":["https://openalex.org/I57092466"]}]}],"institutions":[],"countries_distinct_count":2,"institutions_distinct_count":5,"corresponding_author_ids":["https://openalex.org/A5047993165","https://openalex.org/A5121578654"],"corresponding_institution_ids":["https://openalex.org/I1333540553","https://openalex.org/I57092466"],"apc_list":{"value":1390,"currency":"USD","value_usd":1390},"apc_paid":{"value":1390,"currency":"USD","value_usd":1390},"fwci":0.0,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":{"value":0.0,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":null,"biblio":{"volume":"7","issue":"1","first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10033","display_name":"Concrete and Cement Materials Research","score":0.9688000082969666,"subfield":{"id":"https://openalex.org/subfields/2205","display_name":"Civil and Structural Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10033","display_name":"Concrete and Cement Materials Research","score":0.9688000082969666,"subfield":{"id":"https://openalex.org/subfields/2205","display_name":"Civil and Structural Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10687","display_name":"Innovative concrete reinforcement materials","score":0.025200000032782555,"subfield":{"id":"https://openalex.org/subfields/2205","display_name":"Civil and Structural Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T13140","display_name":"Materials Engineering and Processing","score":0.001500000013038516,"subfield":{"id":"https://openalex.org/subfields/2215","display_name":"Building and Construction"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/geopolymer-concrete","display_name":"geopolymer concrete","score":0.9929999709129333},{"id":"https://openalex.org/keywords/hybrid-fiber-reinforcement","display_name":"hybrid fiber reinforcement","score":0.8309999704360962},{"id":"https://openalex.org/keywords/manufactured-sand","display_name":"manufactured sand","score":0.9760000109672546},{"id":"https://openalex.org/keywords/fly-ash","display_name":"fly ash","score":0.8330000042915344},{"id":"https://openalex.org/keywords/ground-granulated-blast-furnace-slag","display_name":"ground granulated blast furnace slag","score":0.9919999837875366},{"id":"https://openalex.org/keywords/room-temperature-curing","display_name":"ambient curing","score":0.8859999775886536},{"id":"https://openalex.org/keywords/compressive-strength","display_name":"compressive strength","score":0.8989999890327454},{"id":"https://openalex.org/keywords/sorptivity","display_name":"sorptivity","score":0.8040000200271606},{"id":"https://openalex.org/keywords/chloride-penetration","display_name":"chloride penetration","score":0.9419999718666077},{"id":"https://openalex.org/keywords/durability","display_name":"durability","score":0.7879999876022339},{"id":"https://openalex.org/keywords/sodium-hydroxide","display_name":"sodium hydroxide","score":0.6370000243186951},{"id":"https://openalex.org/keywords/elastic-modulus","display_name":"elastic modulus","score":0.6240000128746033},{"id":"https://openalex.org/keywords/workability","display_name":"workability","score":0.6990000009536743},{"id":"https://openalex.org/keywords/cement-replacement","display_name":"cement replacement","score":0.5929999947547913}],"concepts":[{"id":"https://openalex.org/C192562407","wikidata":"https://www.wikidata.org/wiki/Q228736","display_name":"Materials science","level":0,"score":0.7422999739646912},{"id":"https://openalex.org/C104304963","wikidata":"https://www.wikidata.org/wiki/Q5316114","display_name":"Durability","level":2,"score":0.7142999768257141},{"id":"https://openalex.org/C159985019","wikidata":"https://www.wikidata.org/wiki/Q181790","display_name":"Composite material","level":1,"score":0.6552000045776367},{"id":"https://openalex.org/C132976073","wikidata":"https://www.wikidata.org/wiki/Q2991861","display_name":"Curing (chemistry)","level":2,"score":0.5504000186920166},{"id":"https://openalex.org/C191187239","wikidata":"https://www.wikidata.org/wiki/Q5535585","display_name":"Geopolymer cement","level":4,"score":0.5253000259399414},{"id":"https://openalex.org/C2780837464","wikidata":"https://www.wikidata.org/wiki/Q26462","display_name":"Geopolymer","level":3,"score":0.5055000185966492},{"id":"https://openalex.org/C30407753","wikidata":"https://www.wikidata.org/wiki/Q186191","display_name":"Compressive strength","level":2,"score":0.30660000443458557},{"id":"https://openalex.org/C87343466","wikidata":"https://www.wikidata.org/wiki/Q236139","display_name":"Fly ash","level":2,"score":0.30250000953674316},{"id":"https://openalex.org/C2778648169","wikidata":"https://www.wikidata.org/wiki/Q967768","display_name":"Compatibility (geochemistry)","level":2,"score":0.2858999967575073},{"id":"https://openalex.org/C180016635","wikidata":"https://www.wikidata.org/wiki/Q2712821","display_name":"Compression (physics)","level":2,"score":0.2822999954223633},{"id":"https://openalex.org/C33819350","wikidata":"https://www.wikidata.org/wiki/Q353009","display_name":"Ground granulated blast-furnace slag","level":3,"score":0.25360000133514404},{"id":"https://openalex.org/C48372109","wikidata":"https://www.wikidata.org/wiki/Q3913","display_name":"Binary number","level":2,"score":0.251800000667572}],"mesh":[],"locations_count":2,"locations":[{"id":"doi:10.1007/s43621-026-03128-6","doi":"https://doi.org/10.1007/s43621-026-03128-6","is_oa":true,"landing_page_url":"https://doi.org/10.1007/s43621-026-03128-6","pdf_url":"https://link.springer.com/content/pdf/10.1007/s43621-026-03128-6.pdf","source":{"id":"https://openalex.org/S4210179043","display_name":"Discover Sustainability","issn_l":"2662-9984","issn":["2662-9984"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","jufo-1","norway-1","poland-20","vabb-shw"],"host_organization":"https://openalex.org/P4310319965","host_organization_name":"Springer Nature","host_organization_lineage":["https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Nature"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Discover Sustainability","raw_type":"journal-article"},{"id":"pmh:oai:doaj.org/article:e046d46a4fde403a956027e647c6e7cd","doi":null,"is_oa":true,"landing_page_url":"https://doaj.org/article/e046d46a4fde403a956027e647c6e7cd","pdf_url":null,"source":{"id":"https://openalex.org/S4306401280","display_name":"DOAJ (DOAJ: Directory of Open Access Journals)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":null,"host_organization_name":null,"host_organization_lineage":[],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by-sa","license_id":"https://openalex.org/licenses/cc-by-sa","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Discover Sustainability, Vol 7, Iss 1 (2026)","raw_type":"article"}],"best_oa_location":{"id":"doi:10.1007/s43621-026-03128-6","doi":"https://doi.org/10.1007/s43621-026-03128-6","is_oa":true,"landing_page_url":"https://doi.org/10.1007/s43621-026-03128-6","pdf_url":"https://link.springer.com/content/pdf/10.1007/s43621-026-03128-6.pdf","source":{"id":"https://openalex.org/S4210179043","display_name":"Discover Sustainability","issn_l":"2662-9984","issn":["2662-9984"],"is_oa":true,"is_in_doaj":true,"is_core":true,"listed_in":["cwts-core","doaj","jufo-1","norway-1","poland-20","vabb-shw"],"host_organization":"https://openalex.org/P4310319965","host_organization_name":"Springer Nature","host_organization_lineage":["https://openalex.org/P4310319965"],"host_organization_lineage_names":["Springer Nature"],"type":"journal"},"license":"cc-by-nc-nd","license_id":"https://openalex.org/licenses/cc-by-nc-nd","version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Discover Sustainability","raw_type":"journal-article"},"sustainable_development_goals":[{"score":1.0,"display_name":"Responsible consumption and production","id":"https://metadata.un.org/sdg/12"},{"score":0.7207000255584717,"display_name":"Industry, innovation and infrastructure","id":"https://metadata.un.org/sdg/9"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7156333340.pdf","grobid_xml":"https://content.openalex.org/works/W7156333340.grobid-xml"},"referenced_works_count":81,"referenced_works":["https://openalex.org/W196974799","https://openalex.org/W221531866","https://openalex.org/W795064871","https://openalex.org/W1969387035","https://openalex.org/W1971500729","https://openalex.org/W1988146045","https://openalex.org/W1988590033","https://openalex.org/W1995035436","https://openalex.org/W1996664127","https://openalex.org/W2000960820","https://openalex.org/W2010459989","https://openalex.org/W2033419488","https://openalex.org/W2035543632","https://openalex.org/W2045052433","https://openalex.org/W2046526860","https://openalex.org/W2047585911","https://openalex.org/W2050548454","https://openalex.org/W2059803004","https://openalex.org/W2066862989","https://openalex.org/W2069264744","https://openalex.org/W2069277403","https://openalex.org/W2080859125","https://openalex.org/W2117475904","https://openalex.org/W2136979141","https://openalex.org/W2143363401","https://openalex.org/W2182059990","https://openalex.org/W2300413262","https://openalex.org/W2329982890","https://openalex.org/W2398395770","https://openalex.org/W2490988077","https://openalex.org/W2579804252","https://openalex.org/W2609530344","https://openalex.org/W2664852705","https://openalex.org/W2738240298","https://openalex.org/W2771295241","https://openalex.org/W2891062228","https://openalex.org/W2920977929","https://openalex.org/W2940216189","https://openalex.org/W2951894083","https://openalex.org/W2975124329","https://openalex.org/W3026498581","https://openalex.org/W3037038951","https://openalex.org/W3083267464","https://openalex.org/W3088149009","https://openalex.org/W3096313481","https://openalex.org/W3113356189","https://openalex.org/W3135567808","https://openalex.org/W3156788238","https://openalex.org/W3171895165","https://openalex.org/W3195167628","https://openalex.org/W3203820501","https://openalex.org/W4210444596","https://openalex.org/W4212885902","https://openalex.org/W4220826220","https://openalex.org/W4226217790","https://openalex.org/W4251882684","https://openalex.org/W4282942710","https://openalex.org/W4288439380","https://openalex.org/W4309269914","https://openalex.org/W4318946523","https://openalex.org/W4321353011","https://openalex.org/W4323316935","https://openalex.org/W4361284916","https://openalex.org/W4372329747","https://openalex.org/W4383163792","https://openalex.org/W4388471486","https://openalex.org/W4389942045","https://openalex.org/W4390630339","https://openalex.org/W4391264907","https://openalex.org/W4400607635","https://openalex.org/W4404181693","https://openalex.org/W4411200425","https://openalex.org/W4411451871","https://openalex.org/W4411536070","https://openalex.org/W4411878525","https://openalex.org/W4412848156","https://openalex.org/W4414332818","https://openalex.org/W4415348149","https://openalex.org/W4416952251","https://openalex.org/W4417247725","https://openalex.org/W4417443709"],"related_works":["https://openalex.org/W4405217205","https://openalex.org/W2984631130","https://openalex.org/W4387668595","https://openalex.org/W4288439380","https://openalex.org/W3113356189","https://openalex.org/W4410299442","https://openalex.org/W2983998586","https://openalex.org/W3205911430","https://openalex.org/W7212258443","https://openalex.org/W4408632860"],"abstract_inverted_index":{"Concrete":[0],"is":[1],"the":[2,49,52,60,89,161,189,193],"most":[3],"widely":[4],"used":[5],"construction":[6],"material":[7],"after":[8],"water;":[9],"however,":[10],"its":[11,211],"strong":[12],"dependence":[13],"on":[14],"ordinary":[15],"Portland":[16],"cement":[17],"(OPC)":[18],"leads":[19],"to":[20,219],"considerable":[21],"environmental":[22],"impacts.":[23],"Geopolymer":[24],"concrete":[25,98,200],"(GPC),":[26],"produced":[27],"using":[28],"industrial":[29],"by-products":[30],"such":[31],"as":[32,43,65,213],"fly":[33,100],"ash":[34,101],"and":[35,91,102,106,133,136,182,207,216],"ground":[36],"granulated":[37],"blast":[38],"furnace":[39],"slag,":[40,103],"has":[41,58],"emerged":[42],"a":[44,66,122,137,145,153,214],"more":[45],"sustainable":[46,215],"alternative.":[47],"At":[48],"same":[50],"time,":[51],"increasing":[53],"depletion":[54],"of":[55,62,94,115,125,130,140],"river":[56],"sand":[57,64,203],"encouraged":[59],"use":[61],"manufactured":[63,104,202],"substitute":[67],"fine":[68],"aggregate.":[69],"Despite":[70],"these":[71],"advantages,":[72],"GPC":[73],"often":[74],"exhibits":[75],"brittle":[76],"behaviour,":[77],"which":[78],"can":[79],"be":[80],"effectively":[81],"mitigated":[82],"through":[83],"fibre":[84],"reinforcement.":[85],"This":[86],"study":[87],"examines":[88],"mechanical":[90],"durability":[92,206],"performance":[93,171],"binary":[95],"blended":[96],"geopolymer":[97,199],"incorporating":[99],"sand,":[105],"1%":[107],"hybrid":[108,197],"fibres":[109],"under":[110],"ambient":[111],"curing":[112],"conditions":[113],"representative":[114],"field":[116],"practice.":[117],"Mixes":[118],"were":[119],"designed":[120],"with":[121,167,175,188,201],"solution-to-binder":[123],"ratio":[124,139],"0.45,":[126],"sodium":[127],"hydroxide":[128],"concentrations":[129],"8":[131],"M":[132],"10":[134],"M,":[135],"NaOH-to-Na\u2082SiO\u2083":[138],"2.5.":[141],"The":[142],"results":[143],"show":[144],"moderate":[146],"reduction":[147],"in":[148,156,178],"workability":[149],"(36%),":[150],"accompanied":[151],"by":[152,180,185],"clear":[154],"improvement":[155],"compressive":[157],"strength":[158],"(7.4%),":[159],"while":[160],"measured":[162],"elastic":[163],"modulus":[164],"closely":[165],"agrees":[166],"analytical":[168],"predictions.":[169],"Durability":[170],"was":[172],"significantly":[173],"enhanced,":[174],"notable":[176],"reductions":[177],"sorptivity":[179],"21.65%":[181],"chloride":[183],"ingress":[184],"36.48%":[186],"compared":[187],"control":[190],"mix.":[191],"Overall,":[192],"findings":[194],"demonstrate":[195],"that":[196],"fibre-reinforced":[198],"offers":[204],"improved":[205],"structural":[208],"performance,":[209],"highlighting":[210],"potential":[212],"high-performance":[217],"alternative":[218],"conventional":[220],"OPC":[221],"concrete.":[222]},"counts_by_year":[],"updated_date":"2026-10-13T10:08:12.033832","created_date":"2026-04-28T00:00:00"}