10月17日和22日,中聯重科HBT90·40·572RS超高壓混凝土輸送泵兩次成功將大方量、標號為C100的超高性能混凝土泵送至廣州珠江新城西塔333米的高度,取得了建築史上世界性難題的重大突破。
genjuziliaotongji,muqianchaogaoxingnenghunningtusuiranyikaishiyingyongyujianzhushigonglingyu,danzaigaocengjianzhulingyuqueshiyongdebuduo,zhuyaoyuanyinzhiyishichaogaoxingnenghunningtudepeihebihaibuwending,xingyeneiduiciyemeiyouxiangguanbiaozhun。weilejiejuezheyishijiexingnanti,xitaxiangmubujinxingledaliangdezhunbeigongzuo,chengjianfangzhongguojianzhugongchengzonggongsi——guangzhoushijianzhujituanyouxiangongsilianheti,zhenduichaogaoxingnenghunningtudepeizhihebengsong,chenglilekejigongguanxiaozu,zaizhonglianzhongkedengduofangcanyuhezuoxia,jinxingledaliangdexiangguanshiyan,zhongyuzongjiechulejiaoweiwendingdepeihebixiangguancanshu,qiyanzhideC100超高性能混凝土的強度和韌性均達到了施工要求。
而er讓rang這zhe一yi課ke題ti成cheng為wei世shi界jie性xing難nan題ti的de另ling一yi個ge原yuan因yin,就jiu是shi超chao高gao性xing能neng混hun凝ning土tu的de粘zhan度du極ji高gao,泵beng送song難nan度du極ji大da。承cheng擔dan此ci次ci混hun凝ning土tu泵beng送song任ren務wu的de,是shi中zhong聯lian重zhong科ke混hun凝ning土tu機ji械xie公gong司si專zhuan門men為wei西xi塔ta設she計ji製zhi造zao的deHBT90·40·572RS超高壓混凝土輸送泵,其出口壓力為40MPa,功率為572kW,綜合性能參數是目前世界上最大的。國內混凝土研究領域的權威、清華大學馮乃謙教授介紹:日ri本ben現xian在zai在zai超chao高gao層ceng建jian築zhu中zhong雖sui然ran使shi用yong了le超chao高gao性xing能neng混hun凝ning土tu,但dan采cai用yong的de是shi將jiang超chao高gao性xing能neng混hun凝ning土tu吊diao升sheng至zhi高gao處chu再zai進jin行xing澆jiao灌guan的de方fang式shi,像xiang西xi塔ta這zhe樣yang直zhi接jie泵beng送song如ru此ci高gao標biao號hao混hun凝ning土tu到dao如ru此ci高gao度du,目mu前qian在zai國guo內nei外wai都dou沒mei有you先xian例li。
在泵送施工的當天,國內混凝土最權威的專家學者都親臨現場見證了這一時刻。而對中聯重科而言,333米僅僅是開始,眼下,中聯人已將目標鎖定在了西塔封頂高度437.5米,並將用實際行動再攀高峰。
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