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Pracovníci z výroby Xinda-ide o vysokú kvalitu ako jeho hlavnou zásadou. Od technikov kontroly kvality na workshop fabricators, všetci Xinda zamestnanci sú venované produkujúce len najvyššiu kvalitu zariadení. Od návrhu výrobku a surovín. nákup na výrobu a montáž, každý krok prechádza dôkladné testovanie a kontrola kvality.

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    Researchers use bacteria to enhance the freeze-thaw resistance of concrete

    Core tip: in a paper recently published in the Journal of cleaner production, researchers from the Department of civil engineering of Xi'an Jiaotong Liverpool University added denitrifying bacteria to recycled coarse aggregate (RCA) to enhance the strength and durability of concrete. Treated recycled coarse aggregate concrete can withstand up to 225 freeze-thaw cycles, 75 times more than untreated concrete, especially suitable for wide use in cold areas. Concrete is one of the most widely used materials in architecture because of its low cost, high compressive strength and convenient manufacture. However, with the acceleration of urbanization, natural aggregates such as sand and gravel for mixing with concrete have been in short supply. Although recycled materials can replace natural materials to produce recycled coarse aggregate concrete (RCAC), they may cause various problems. Especially in cold areas, the daily freeze-thaw cycle will damage the concrete and cause safety problems. In a recent paper published in the Journal of cleaner production, researchers from the Department of civil engineering of Xi'an Jiaotong Liverpool University added denitrifying bacteria to recycled coarse aggregate (RCA) to enhance the strength and durability of concrete. Treated recycled coarse aggregate concrete can withstand up to 225 freeze-thaw cycles, 75 times more than untreated concrete, especially suitable for wide use in cold areas. Traditional methods are not sustainable Professor Chee Seong chin, the corresponding author of the paper, said that the traditional methods to improve the freeze-thaw resistance of concrete are unsustainable in the long run. "Traditional methods include reducing the water cement ratio and increasing chemical admixtures, which substantially increases the use of chemicals and will have an adverse impact on sustainable development." "In contrast, we propose an environmentally friendly solution that uses denitrifying bacteria, which neither contain nor produce toxic or polluting substances." He said. Less water absorption Professor chin said that to improve the freeze-thaw resistance of recycled coarse aggregate concrete, it is very important to reduce the water absorption. In the freeze-thaw cycle, water will penetrate into the concrete and produce cracks in the structure, reducing its durability. This is because the volume of water expands when it freezes. The more water, the greater the expansion, and the greater the expansion, the greater the damage. "The recycled coarse aggregate has loose structure and high porosity. If it is directly used in the concrete without bacterial treatment, it is bound to increase the water absorption. The denitrifying bacteria can block the pores of water and effectively reduce the absorption of free water in the concrete by 33%." He introduced that this method can block the water absorption from the outside, so as to reduce the internal expansion. More stable structure Professor chin said that bacte...

  • 23
    One more Model HZS120 RMC batching plant Exported to Bangladesh

    One day finished 4*40HQ containers loading, one more Model HZS120 RMC bathching plant will be exported to Bangladesh.  It took a total of 15 days to complete the production of model HZS 120 RMC batching plant. Which equipped with MA03000/2000 twin shaft mixer, 4 bins individual weighing aggregate batcher, trough belt conveyor, cement weighing system, water weighing system, additive weighing system and intelligent computer+PLC control system.  The total weight of our standard Model HZS120 RMC batching plant is about 50T.

  • 17
    YHZS50 mobile batching plant exported to Cebu, Philippines

    Container loading finished. Model YHZS50 mobile concrete batching plant equipped with a 100T bolted type cement silo totally loaded in 3*40HQ containers, and they will be shipped to Cebu, Philippines. 

  • 15
    styrofoam concrete batching plant exported to Iraq

    Styrofoam concrete batching plant, special design for light weight EPS wall panels production line, the mixing design including water, cement, foam agent , EPS and fine sand. The batching plant equipped with 2 mixer, the upper one is main mixer/spiral mixer (singel shaft), the lower one is holding mixer/ U-type screw mixer, which will convey the foam concrete to the tank of injector pump, then be injected into the light weight /EPS wall panel molding machine. Full set of foam concrete batching plant, with the capacity of 1.5m3/batch, could be loaded into 3*40HQ container. the maximum capacity of the mixer is 3m3/batch at present.

o nás
o nás

Fujian Xinda Machinery Co. Ltd, s históriou viac ako dvadsať rokov, je vedecký a technologický podnik, ktorý sa špecializuje na výskum a vývoj, výroba, predaj a servis stavebných strojov. Naša spoločnosť pokrýva oblasť 35.000 m2 s výrobnou plochou rastlín 22.000 štvorcových metrov. Spoločnosť zamestnáva viac ako 300 obyvateľov, vrátane vyšších odborných a administratívnych pracovníkov viac ako 60 ľudí. spoločnosť zaviedla systém zabezpečovania perfektnú kvalitu a prešiel CE Certifikácia systému manažérstva kvality ISO9001:2008. Naše výrobky boli distribuované po celej doma a v zahraničí a bol široko používaný v kľúčových projektov veľkých stavebných jednotiek, ako je Čína železničná Group Limited, CRCC (Čína železničné stavby Corporation Limited), Čína komunikačné stavby Company Ltd, Sinohydro Group Ltd, Čína štát stavby, letisko stavebné skupiny. Naše výrobky boli vyvezené do Austrálie, Stredný východ, Európe, juhovýchodnej Ázie a Južnej Ameriky. Spoločnosť zriadila sieť prakticky dokonalé vopred a po predajný servis po celej krajine, poskytujúce vysoko účinné technické konzultácie a služby. Náš produkt kvality pochvaly a naše služby sú aj uznávaný. vyše desať rokov spoločnosť udržiava dobré družstvo a podporovať vzťah s dobrou reputáciou stavebných podnikov, sledovanie a analyzovanie používateľské aplikácie a udržiavajúc krok s dobou. Tiež preukázané dlhodobé výskumné partnerstvá s Chang'an University, Shandong Jiaotong a univerzity Fuzhou, vykonáva inteligentné riadenie výskumu s automatizáciu inštitúcii Fuzhou univerzity. Xinda strojov drží presvedčenie, že "integrity a poctivosti, usilujú o povesť značky", zastáva princíp "technické inovácie, kvalita prvý" ako základ pre trvalo udržateľný rozvoj. Xinda venuje stáva najprofesionálnejší zmiešavacie zariadenie R & D výrobcu v Číne s duchom "devoutness, profesionalitu, inovácie, služby", sledujú dokonalosti namiesto veľkého rozsahu. Ponúkame vysoké náklady výkonu konštrukcia strojných výrobkov bezvýhradne a prispievať k hospodárskemu rozvoju v našej krajine.

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Sme profesionálne betónové dávkovanie rastlín výrobca, nájdete, čo potrebujete.

Jody

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