Ikviens autovad\u012bt\u0101js redz plaisas asfalt\u0101, dr\u016bpo\u0161as ce\u013cu malas un appl\u016bdu\u0161as nobrauktuves. T\u0101s nav tikai ne\u0113rt\u012bbas \u2013 t\u0101 ir m\u016bsu dro\u0161\u012bba un nodok\u013cos maks\u0101t\u0101 nauda, kas paz\u016bd atk\u0101rtotos remontos. Klimata p\u0101rmai\u0146u ierosin\u0101tie laikapst\u0101k\u013cu cikli k\u013c\u016bst arvien ekstr\u0113m\u0101ki, k\u0101 rezult\u0101t\u0101 tradicion\u0101lie materi\u0101li vairs nesp\u0113j nodro\u0161in\u0101t ilgm\u016b\u017e\u012bbu.<\/p>\n
Klimata p\u0101rmai\u0146as un iepirkumu stagn\u0101cija grauj infrastrukt\u016bru<\/p>\n
Latvijas ce\u013cu infrastrukt\u016bras visneaizsarg\u0101t\u0101k\u0101s da\u013cas ir t\u0101s, kas non\u0101k tie\u0161\u0101 saskar\u0113 ar mitrumu, meh\u0101nisko slodzi un temperat\u016bras sv\u0101rst\u012bb\u0101m \u2013 apmales, dren\u0101\u017eas kan\u0101li, nobrauktuves, ce\u013ca malu beton\u0113jumi. Karstuma vi\u013c\u0146os betona virsmas izple\u0161as un plais\u0101, lietavu laik\u0101 dren\u0101\u017eas sist\u0113mas tiek p\u0101rslogotas, bet ziem\u0101 atkala un sals \u012bpa\u0161i boj\u0101 vietas, kur \u016bdens uzkr\u0101jas konstrukcij\u0101. \u0160o boj\u0101jumu apjoms pieaug, jo klimata p\u0101rmai\u0146u ietekm\u0113 laikapst\u0101k\u013cu cikli k\u013c\u016bst strauj\u0101ki un ekstr\u0113m\u0101ki, bet publiskajos iepirkumos joproj\u0101m domin\u0113 zem\u0101k\u0101s cenas princips. Tas noz\u012bm\u0113, ka materi\u0101li ar liel\u0101ku notur\u012bbu un maz\u0101k\u0101m uztur\u0113\u0161anas izmaks\u0101m bie\u017ei netiek izv\u0113l\u0113ti. Piem\u0113ram, Finan\u0161u ministrijas programm\u0101 \u201cValsts autoce\u013cu uztur\u0113\u0161ana un atjauno\u0161ana\u201d 2024. gad\u0101 paredz\u0113ti ap 210,5 miljoniem eiro, no kuriem ikdienas uztur\u0113\u0161anas darbiem vien atv\u0113l\u0113ti aptuveni 56,8 miljoni eiro\u00b9\u00b2. Citiem v\u0101rdiem \u2013 m\u0113s turpin\u0101m maks\u0101t par nebeidzamiem remontiem, nevis ieguld\u0101m ilgtsp\u0113j\u012bg\u0101 infrastrukt\u016br\u0101.<\/p>\n
T\u0113rauds un betons vairs nesp\u0113j \u201ctikt l\u012bdzi\u201d<\/p>\n
Ce\u013cu infrastrukt\u016br\u0101 arvien bie\u017e\u0101k tiek izmantoti jauni risin\u0101jumi, kas pal\u012bdz pagarin\u0101t seguma un konstrukciju kalpo\u0161anas laiku. Pieredze cit\u0101s valst\u012bs r\u0101da, ka drosm\u012bga inov\u0101ciju ievie\u0161ana samazina gan sezon\u0101lu boj\u0101jumu risku, gan nepiecie\u0161am\u012bbu p\u0113c p\u0101ragriem d\u0101rgiem kapit\u0101liem remontiem.<\/p>\n
Dzelzsbetona konstrukcij\u0101s izmantot\u0101 tradicion\u0101l\u0101 t\u0113rauda armat\u016bra ir jut\u012bga pret koroziju \u2013 mitruma un s\u0101ls ietekm\u0113 t\u0101 r\u016bs\u0113, kas izraisa betona atsl\u0101\u0146o\u0161anos un plais\u0101\u0161anu. Stikla \u0161\u0137iedras kompoz\u012bta armat\u016bra (GFRP) \u0161\u0101dus riskus b\u016btiski samazina. T\u0101 ner\u016bs\u0113, ir viegl\u0101ka, saglab\u0101 meh\u0101nisk\u0101s \u012bpa\u0161\u012bbas ar\u012b agres\u012bvos apst\u0101k\u013cos un kalpo ilg\u0101k, samazinot ce\u013ca konstrukciju apkopes bie\u017eumu par vair\u0101kiem gadu desmitiem.<\/p>\n
M\u016bsu ziemas ir b\u0113d\u012bgi slavenas ar saviem neskait\u0101majiem atku\u0161\u0146u cikliem, p\u0113c kuriem vienm\u0113r par\u0101d\u0101s plaisas un bedres. \u0160eit lielisks risin\u0101jums b\u016btu ar\u012b \u201cpa\u0161dzied\u0113jo\u0161ais\u201d asfalts, kas sp\u0113j aizv\u0113rt mikroplaisas v\u0113l pirms t\u0101s p\u0101raug d\u0101rgos boj\u0101jumos. \u0160\u0101ds segums ar speci\u0101l\u0101m piedev\u0101m, piem\u0113ram, met\u0101la \u0161\u0137iedr\u0101m, tiek izmantots N\u012bderland\u0113 un Sp\u0101nij\u0101. Pieredze r\u0101da, ka ce\u013ca kalpo\u0161anas laiku iesp\u0113jams pagarin\u0101t par vair\u0101k nek\u0101 tre\u0161da\u013cu, vienlaikus samazinot satiksmes ierobe\u017eojumus, kas saist\u012bti ar remontiem.<\/p>\n
Ar\u012b jaun\u0101s paaudzes zema oglek\u013ca jeb \u201cza\u013cais\u201d betons, kur\u0101 da\u013ca cementa tiek aizst\u0101ta ar r\u016bpnieciskajiem blakusproduktiem, piem\u0113ram, pelniem vai s\u0101r\u0146iem, ir iztur\u012bg\u0101ks pret agres\u012bvu vidi un l\u0113n\u0101k nolietojas. Tas noz\u012bm\u0113 maz\u0101k plaisu un ilg\u0101ku kalpo\u0161anas laiku, k\u0101 ar\u012b papildu ieguvumu \u2013 zem\u0101kas CO\u2082 emisijas. P\u0113t\u012bjumi r\u0101da, ka \u0161\u0101di betona mais\u012bjumi sp\u0113j uzr\u0101d\u012bt liel\u0101ku iztur\u012bbu spied\u0113, vienlaikus samazinot karboniz\u0101cijas dzi\u013cumu un esot iztur\u012bg\u0101ki pret s\u0101\u013cu iedarb\u012bbu, kas b\u016btiski pagarina konstrukciju kalpo\u0161anas ilgumu\u00b3.<\/p>\n
\u0160\u0101di risin\u0101jumi pal\u012bdz\u0113tu izb\u016bv\u0113t infrastrukt\u016bru, kas neprasa kapit\u0101los remontus ik dek\u0101di, bet var kalpot pat vair\u0101k\u0101m paaudz\u0113m, vienlaikus samazinot uztur\u0113\u0161anas izmaksas. Turkl\u0101t ilgtsp\u0113j\u012bbas ieguvumi nav tikai finansi\u0101li. Ret\u0101ki remonti noz\u012bm\u0113 maz\u0101ku oglek\u013ca nospiedumu no b\u016bvniec\u012bbas tehnikas un transporta, maz\u0101ku b\u016bvniec\u012bbas atkritumu apjomu un liel\u0101ku dro\u0161\u012bbu \u2013 \u012bpa\u0161i sl\u0113pt\u0101s konstrukcij\u0101s, kur boj\u0101jumu noteik\u0161ana ir sare\u017e\u0123\u012bta.<\/p>\n
Lai ietaup\u012btu n\u0101kotn\u0113, m\u0101jasdarbi j\u0101paveic tagad<\/p>\n
Latvijas b\u016bvnormat\u012bvi jau paredz iesp\u0113ju izmantot gan kompoz\u012btarmat\u016bru, gan citus m\u016bsdien\u012bgus materi\u0101lus infrastrukt\u016bras projektos, jo tiek sekots Eurocode un Eiropas tehnisko apstiprin\u0101jumu (EAD) pras\u012bb\u0101m. Form\u0101li \u0161\u0137\u0113r\u0161\u013cu nav \u2013 ta\u010du praks\u0113 joproj\u0101m domin\u0113 ieraduma inerce un \u012bstermi\u0146a skat\u012bjums.<\/p>\n
Lai \u0161ie risin\u0101jumi patie\u0161\u0101m k\u013c\u016btu par ikdienas praksi, Latvijai ir vismaz divi m\u0101jasdarbi. Pirmk\u0101rt, publiskajos iepirkumos j\u0101ievie\u0161 dz\u012bves cikla izmaksu v\u0113rt\u0113\u0161ana, lai l\u0113mumi netiktu pie\u0146emti tikai p\u0113c zem\u0101k\u0101s cenas principa. Otrk\u0101rt, svar\u012bga ir pas\u016bt\u012bt\u0101ju, in\u017eenieru un projekt\u0113t\u0101ju apm\u0101c\u012bba, lai pieejam\u0101s tehnolo\u0123ijas netiktu ignor\u0113tas nezin\u0101\u0161anas vai piesardz\u012bbas d\u0113\u013c.<\/p>\n
Atbild\u012bba \u0161aj\u0101 proces\u0101 gulstas uz visiem \u2013 no pas\u016bt\u012bt\u0101jiem un projekt\u0113t\u0101jiem l\u012bdz materi\u0101lu ra\u017eot\u0101jiem. Infrastrukt\u016bra nav paredz\u0113ta tikai \u0161odienai; t\u0101 j\u0101b\u016bv\u0113 t\u0101, lai dro\u0161i kalpotu 30\u201350 gadus. Starptautisk\u0101 pieredze pier\u0101da \u2013 tur, kur par ilgtsp\u0113ju tiek dom\u0101ts jau projekt\u0113\u0161anas br\u012bd\u012b, atk\u0101rtotie remonti k\u013c\u016bst par iz\u0146\u0113mumu, nevis par noteikumu.<\/p>\n","protected":false},"excerpt":{"rendered":"Ikviens autovad\u012bt\u0101js redz plaisas asfalt\u0101, dr\u016bpo\u0161as ce\u013cu malas un appl\u016bdu\u0161as nobrauktuves. T\u0101s nav tikai ne\u0113rt\u012bbas \u2013 t\u0101 ir…\n","protected":false},"author":2,"featured_media":8489,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12],"tags":[23,869,77,870,28,29,867,32,33,22,30,31,35,39,38,36,37,34,871,868,40,20,26,27,24,25,21],"class_list":{"0":"post-8488","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-latvija","8":"tag-aktualitates","9":"tag-biznesa-zinas","10":"tag-bizness","11":"tag-bizness-latvija","12":"tag-breaking-news","13":"tag-breakingnews","14":"tag-dienas-zinas","15":"tag-featured-news","16":"tag-featurednews","17":"tag-headlines","18":"tag-latest-news","19":"tag-latestnews","20":"tag-latvia","21":"tag-latvian","22":"tag-latviesu","23":"tag-latviesu-valoda","24":"tag-latviesuvaloda","25":"tag-latvija","26":"tag-latvijas-biznesa-zinas","27":"tag-latvijas-zinas","28":"tag-lv","29":"tag-news","30":"tag-popularakas-zinas","31":"tag-popularakaszinas","32":"tag-top-stories","33":"tag-topstories","34":"tag-zinas"},"share_on_mastodon":{"url":"","error":""},"_links":{"self":[{"href":"https:\/\/www.europesays.com\/lv\/wp-json\/wp\/v2\/posts\/8488","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.europesays.com\/lv\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.europesays.com\/lv\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/lv\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/lv\/wp-json\/wp\/v2\/comments?post=8488"}],"version-history":[{"count":0,"href":"https:\/\/www.europesays.com\/lv\/wp-json\/wp\/v2\/posts\/8488\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.europesays.com\/lv\/wp-json\/wp\/v2\/media\/8489"}],"wp:attachment":[{"href":"https:\/\/www.europesays.com\/lv\/wp-json\/wp\/v2\/media?parent=8488"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.europesays.com\/lv\/wp-json\/wp\/v2\/categories?post=8488"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.europesays.com\/lv\/wp-json\/wp\/v2\/tags?post=8488"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}