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近日(ri),已納入(ru)湖南省第(di)十批省級(ji)文物庫,韶山灌區(qu)工程(cheng)量最(zui)(zui)大、氣勢最(zui)(zui)雄偉(wei)的渡(du)槽——飛漣灌萬頃(qing),完成提名板更換。 飛漣(lian)灌(guan)(guan)萬(wan)頃渡(du)槽(cao)位(wei)于韶山灌(guan)(guan)區南(nan)北(bei)分流(liu)下游(you)不遠(yuan)處。渡(du)槽(cao)全長(chang)534米(mi),其中跨河部分200米(mi),最大高度26米(mi)。因時任國務(wu)院(yuan)副總理譚震林在(zai)渡(du)槽(cao)工地聽匯(hui)報(bao)時情不自(zi)禁脫口說出“飛連灌(guan)(guan)萬(wan)頃,揮筆(bi)寫(xie)千渠”而得(de)名(ming)。懸掛(gua)于渡(du)槽(cao)槽(cao)身的“飛漣(lian)灌(guan)(guan)萬(wan)頃”幾個大字是湘潭著名(ming)書法家陳石泉書寫(xie),字高4米(mi),寬3米(mi),字體飄灑,鮮(xian)艷奪目(mu)。它引漣(lian)水之(zhi)水飛越漣(lian)水,時任中共(gong)湖(hu)南(nan)省委(wei)第一書記張平化為之(zhi)慷慨賦詩:“眾志比城堅,人民(min)力勝天。且看韶麓下,漣(lian)上(shang)又飛漣(lian)。” 經(jing)實地踏勘及航拍確認(ren),渡(du)槽兩側10大、2小共計12塊題名板因年限久(jiu)遠,銹蝕剝落嚴重,部分出(chu)現字體缺失現象。不僅影響(xiang)了渡(du)槽的外觀風(feng)貌(mao),也對文物本體保護構成隱(yin)患。 “為(wei)(wei)保證(zheng)更換字體(ti)與(yu)原字體(ti)一致,施(shi)(shi)(shi)(shi)工(gong)前項目部采(cai)用(yong)(yong)無人(ren)機對(dui)字體(ti)掃描后,由(you)專業(ye)廠家對(dui)字體(ti)進(jin)行(xing)(xing)建模復原,然后加工(gong)。提(ti)名(ming)板(ban)更換工(gong)作的核(he)心難點在于施(shi)(shi)(shi)(shi)工(gong)環(huan)境(jing)特(te)殊(shu)與(yu)安全(quan)(quan)成本(ben)的平(ping)衡(heng)。”項目總工(gong)程師介紹,考(kao)慮(lv)到(dao)(dao)字體(ti)主要位(wei)于漣水河(he)上(shang)(shang),河(he)寬約200m,若采(cai)用(yong)(yong)傳統腳手架(jia)施(shi)(shi)(shi)(shi)工(gong)工(gong)藝(yi),成本(ben)高(gao)且(qie)高(gao)空作業(ye)風(feng)險(xian)大。為(wei)(wei)確保更換工(gong)作安全(quan)(quan)、高(gao)效、低成本(ben)推進(jin),經多輪論證(zheng),最終確定采(cai)用(yong)(yong)橋(qiao)式(shi)(shi)2 T-9.4m升降(jiang)維修機+ZLP630吊籃作為(wei)(wei)施(shi)(shi)(shi)(shi)工(gong)平(ping)臺。“針對(dui)施(shi)(shi)(shi)(shi)工(gong)細節,我(wo)們(men)也做(zuo)了周密部署(shu),考(kao)慮(lv)到(dao)(dao)操(cao)作平(ping)臺的重量荷載,施(shi)(shi)(shi)(shi)工(gong)前我(wo)們(men)通過渡槽上(shang)(shang)游(you)節制閘,將槽身段水位(wei)降(jiang)至設計水位(wei)以下20厘米,為(wei)(wei)施(shi)(shi)(shi)(shi)工(gong)創造(zao)安全(quan)(quan)環(huan)境(jing)。同(tong)時(shi),橋(qiao)式(shi)(shi)2T-9.4m升降(jiang)維修機采(cai)用(yong)(yong)現(xian)有渡槽走(zou)(zou)道板(ban)作為(wei)(wei)受(shou)力(li)(li)結(jie)構(gou),施(shi)(shi)(shi)(shi)工(gong)前對(dui)走(zou)(zou)道板(ban)進(jin)行(xing)(xing)結(jie)構(gou)復核(he),考(kao)慮(lv)到(dao)(dao)渡槽年限久遠,原設計標(biao)(biao)準(zhun)與(yu)現(xian)有設計標(biao)(biao)準(zhun)不同(tong),具(ju)體(ti)走(zou)(zou)道板(ban)在結(jie)構(gou)復核(he)基(ji)礎上(shang)(shang)進(jin)行(xing)(xing)荷載試驗。施(shi)(shi)(shi)(shi)工(gong)過程中,項目技術人(ren)員還對(dui)大跨(kua)度特(te)殊(shu)走(zou)(zou)道板(ban)進(jin)行(xing)(xing)全(quan)(quan)過程應力(li)(li)監測,實時(shi)掌握結(jie)構(gou)受(shou)力(li)(li)情(qing)況(kuang),杜絕(jue)安全(quan)(quan)風(feng)險(xian)。” 此次(ci)提名板的(de)(de)(de)煥新,不僅(jin)是(shi)(shi)對文(wen)物物理形態的(de)(de)(de)修復,更是(shi)(shi)對這份奮(fen)斗(dou)精神的(de)(de)(de)擦亮。作為(wei)見證時(shi)代變遷的(de)(de)(de)文(wen)物瑰寶,韶山(shan)灌(guan)區(qu)正以嶄新姿態,將紅色水(shui)利文(wen)化(hua)的(de)(de)(de)基因代代傳遞,讓后(hou)人在凝(ning)望這方建筑時(shi),始終(zhong)能感受到(dao)跨越時(shi)空的(de)(de)(de)精神力(li)量。 |
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