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前言反拱底板结构以承受压力为主,因而可以充分利用圬工砌体和纯混凝土抗压性能高的条件,达到使结构断面小,节省三材、工程量少、造价低的目的,符合多快好省地建设社会主义总路线的精神。在江苏、山东、安徽等省中小型水闸、船闸等工程中广泛采用了这种结构型式。但目前在设计计算和施工中尚存在一些问题。
Foreword The structure of inverted arch floor to withstand the pressure, which can make full use of masonry and pure concrete compressive properties of high pressure conditions, so that the structure of the small cross-section, save three materials, less engineering, low cost, in line with more Conscientiously and economically build the general line of socialism. In Jiangsu, Shandong, Anhui and other provinces small sluices, locks and other projects widely used in this type of structure. However, there are still some problems in design calculation and construction.