包郵 500米級(jí)鋼管混凝土拱橋建造創(chuàng)新技術(shù)

作者：鄭皆連著涂兵譯

出版社：上海科學(xué)技術(shù)出版社出版時(shí)間：2025-01-01

開本： 16開 頁(yè)數(shù)： 460

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500米級(jí)鋼管混凝土拱橋建造創(chuàng)新技術(shù) 版權(quán)信息

ISBN：9787547868645
條形碼：9787547868645 ; 978-7-5478-6864-5
裝幀：精裝
冊(cè)數(shù)：暫無
重量：暫無
所屬分類：
工業(yè)技術(shù)
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汽車與交通運(yùn)輸
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水路運(yùn)輸

500米級(jí)鋼管混凝土拱橋建造創(chuàng)新技術(shù) 本書特色

《500米級(jí)鋼管混凝土拱橋建造創(chuàng)新技術(shù)》對(duì)500米級(jí)鋼管混凝土拱橋建造工程實(shí)踐理論和技術(shù)進(jìn)行創(chuàng)新和完善，形成的成果具備極強(qiáng)的實(shí)踐性和指導(dǎo)意義。圍繞跨徑500米級(jí)鋼管混凝土拱橋及勁性骨架混凝土拱橋設(shè)計(jì)、施工、混凝土材料、大型臨時(shí)施工設(shè)施進(jìn)行了深入研究，提高了工程質(zhì)量，降低了造價(jià)和施工風(fēng)險(xiǎn)。

500米級(jí)鋼管混凝土拱橋建造創(chuàng)新技術(shù) 內(nèi)容簡(jiǎn)介

《500米級(jí)鋼管混凝土拱橋建造創(chuàng)新技術(shù)》介紹了大跨徑鋼管混凝土拱橋及以其為勁性骨架的混凝土拱橋的建造數(shù)量、跨徑及重要關(guān)鍵施工技術(shù)。鋼管混凝土拱橋是鋼拱橋拱圈中一部分鋼被混凝土代替，以混代鋼部分只用鋼價(jià)1/27，拱圈架設(shè)重量只為鋼拱的1/2，所以架設(shè)速度快、風(fēng)險(xiǎn)低，造價(jià)低，地基能提供有效抗力時(shí)，代替鋼拱是必然趨勢(shì)，在軟弱地基建系桿拱，值得比較。
作者鄭皆連院士是中國(guó)近幾十年拱橋發(fā)展的見證者、參與者與創(chuàng)新者，為總結(jié)近期的成功經(jīng)驗(yàn)，推動(dòng)鋼管混凝土拱橋及勁性骨架混凝土拱橋建設(shè)，進(jìn)一步提高質(zhì)量、降低造價(jià)及風(fēng)險(xiǎn)，向更大跨徑發(fā)展。本書內(nèi)容獲2018年國(guó)家科技進(jìn)步二等獎(jiǎng)。作者及帶領(lǐng)的團(tuán)隊(duì)參與并指導(dǎo)了當(dāng)前世界*大跨徑鋼管混凝土拱橋、勁性骨架混凝土拱橋建設(shè)的成功經(jīng)驗(yàn)，在工程實(shí)踐中不斷對(duì)原有理論和技術(shù)進(jìn)行創(chuàng)新和完善，因此形成的成果具備極強(qiáng)的實(shí)踐性和指導(dǎo)意義。

500米級(jí)鋼管混凝土拱橋建造創(chuàng)新技術(shù)500米級(jí)鋼管混凝土拱橋建造創(chuàng)新技術(shù) 前言

Among the four types of bridges,arch bridge stands out due to its good mechan-ical performance.To be specific,its arch ring is generally under small eccentriccompression,so it is free of fatigue problems.Arch bridge is also characterized bylong durability,high stiffness and strong cost competitiveness.Before the Indus-trial Revolution,arch bridge was the best choice for in-land rivers serving navigationpurposes aroundthe world.At thattime,arch bridges were constructed upon brackets,which posed high risks in flood control.To this end,Josef Milan,an Austrian engi-neer,introduced the steel-reinforced concrete (SRC)arch bridge with a stiff skeleton
in 1898.Chinese engineers made further improvement on SRC arch bridges by usingconcrete-filled steel tubular(CFST)arch as the stiff skeleton and ingeniously devel-oped load adjustment techniques,which further led to reduced construction costand risks of concrete arch bridges.Moreover,the construction of arch ring by abracket-free technique is another symbol signifying the achievement of modern archbridges.Among the four types of bridges,arch bridge stands out due to its good mechan-ical performance.To be specific,its arch ring is generally under small eccentriccompression,so it is free of fatigue problems.Arch bridge is also characterized bylong durability,high stiffness and strong cost competitiveness.Before the Indus-trial Revolution,arch bridge was the best choice for in-land rivers serving navigationpurposes aroundthe world.At thattime,arch bridges were constructed upon brackets,which posed high risks in flood control.To this end,Josef Milan,an Austrian engi-neer,introduced the steel-reinforced concrete (SRC)arch bridge with a stiff skeleton in 1898.Chinese engineers made further improvement on SRC arch bridges by usingconcrete-filled steel tubular(CFST)arch as the stiff skeleton and ingeniously devel-oped load adjustment techniques,which further led to reduced construction costand risks of concrete arch bridges.Moreover,the construction of arch ring by abracket-free technique is another symbol signifying the achievement of modern archbridges. Driven by the large-scale construction of highways and railways in China andsupported by the bracket-free techniques for arch ring construction,concrete-filledsteel tubular(CFST)arch bridges and steel-reinforced concrete (SRC)arch bridgeswith a stiff skeleton have developed very rapidly.The first CFST arch bridge,theWangcang East River Bridge with a span of 115m,was built in 1990.By 2018,morethan 460 CFST arch bridges and SRC arch bridges have been built.The Hejiang FirstYangtze River Bridge with a span of 530 m has been in operation for 6 years.ThePingnan Third Bridge with a span of 575m is expected to open to traffic in 2020.It is a rare phenomenon in the history of bridge development that the number andspan length of CFST and SRC arch bridges increased so quickly over the past threedecades in China. Technology innovations proposed by Chinese engineers have promoted the fastand healthy development of arch bridges.The cable-stayed fastening and hangingassembly technology developed in 1968 and the arch ring rotation technologyproposed in 1977 realized the construction of CFST arch bridges and SRC archbridges without brackets.Furthermore,in-depth research has also been conductedon the design therioes,construction techniques,materials and equipment for thesetwo types of arch bridges spanning over 500 m,thereby resulting in better quality,lower construction cost and risks. The author of this book,Zheng Jielian,an academician of the Chinese Academyof Engineering,has been a witness,participant,and innovator of arch bridges overthe past 30 years.In this book,he summarized the experiences and directions ofCFST arch bridges and SRC arch bridges.It can be served as a good reference forbridge engineers,researchers and students majoring in bridge engineering.I believethat the publication of this book will contribute to the further development of archbridges in China. Shanghai,ChinaOctober 2019 Xiang Haifan

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500米級(jí)鋼管混凝土拱橋建造創(chuàng)新技術(shù) 作者簡(jiǎn)介

鄭皆連中國(guó)工程院院士，廣西大學(xué)博士生導(dǎo)師，教授級(jí)高級(jí)工程師，路橋工程專家。長(zhǎng)期從事橋梁設(shè)計(jì)、施工、管理工作，致力于拱圈無支架施工工藝研究，首創(chuàng)了我國(guó)雙曲拱橋無支架施工新工藝，解決了不立拱架修建拱橋的難題。在調(diào)控勁性骨架混凝土拱橋澆筑拱圈混凝土過程中發(fā)生的瞬時(shí)應(yīng)力及降低拱圈永存應(yīng)力的研究和實(shí)踐中取得了重大突破，指導(dǎo)了世界最大跨徑鋼管混凝土拱橋、勁性骨架混凝土拱橋的成功建設(shè)，為我國(guó)這兩類拱橋的高質(zhì)量、高速度發(fā)展及技術(shù)領(lǐng)先世界做出了重大貢獻(xiàn)。曾獲國(guó)家科技進(jìn)步獎(jiǎng)三項(xiàng)、李國(guó)豪橋梁原創(chuàng)技術(shù)獎(jiǎng)等獎(jiǎng)項(xiàng)。

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